tizen 2.4 releasetizen_2.4_mobile_releasesubmit/tizen_2.4/20151028.063455accepted/tizen/2.4/mobile/20151029.035022tizen_2.4accepted/tizen_2.4_mobile

59 files changed, 8464 insertions, 0 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100755
index 0000000..445f44e
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,8 @@
+CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
+PROJECT(oauth2 C)
+
+SET(PREFIX ${CMAKE_INSTALL_PREFIX})
+SET(VERSION_MAJOR 0)
+SET(VERSION "${VERSION_MAJOR}.0.3")
+
+ADD_SUBDIRECTORY(src)
diff --git a/LICENSE.APLv2 b/LICENSE.APLv2
new file mode 100644
index 0000000..d645695
--- /dev/null
+++ b/LICENSE.APLv2
@@ -0,0 +1,202 @@
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
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+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
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+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
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+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
+      submitted to Licensor for inclusion in the Work by the copyright owner
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+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
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+      or a Contribution incorporated within the Work constitutes direct
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+   4. Redistribution. You may reproduce and distribute copies of the
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+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
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+      may provide additional or different license terms and conditions
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+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
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+      Contributor provides its Contributions) on an "AS IS" BASIS,
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+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
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+      negligent acts) or agreed to in writing, shall any Contributor be
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+      incidental, or consequential damages of any character arising as a
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+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
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+      on Your own behalf and on Your sole responsibility, not on behalf
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+   END OF TERMS AND CONDITIONS
+
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+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
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+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
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diff --git a/NOTICE b/NOTICE
new file mode 100755
index 0000000..0e0f016
--- /dev/null
+++ b/NOTICE
@@ -0,0 +1,3 @@
+Copyright (c) Samsung Electronics Co., Ltd. All rights reserved.
+Except as noted, this software is licensed under Apache License, Version 2.
+Please, see the LICENSE.APLv2 file for Apache License terms and conditions.
diff --git a/TC/utc-oauth2.c b/TC/utc-oauth2.c
new file mode 100644
index 0000000..4755885
--- /dev/null
+++ b/TC/utc-oauth2.c
@@ -0,0 +1,1191 @@
+#include "assert.h"
+#include <oauth2.h>
+#include <string.h>
+
+#define OAUTH2_FREE(ptr) \
+		if (ptr != NULL) { \
+			free(ptr); \
+			ptr = NULL; \
+		}
+
+static bool manager_created = false;
+static bool request_created = false;
+static oauth2_manager_h manager = NULL;
+static oauth2_request_h request = NULL;
+static int _is_fail = true;
+
+void utc_oauth2_startup(void)
+{
+	int ret = OAUTH2_ERROR_NONE;
+	ret = oauth2_manager_create(&manager);
+	if (ret == OAUTH2_ERROR_NONE)
+		manager_created = true;
+
+	ret = oauth2_request_create(&request);
+	if (ret == OAUTH2_ERROR_NONE)
+		request_created = true;
+}
+
+void utc_oauth2_cleanup(void)
+{
+	int ret = OAUTH2_ERROR_NONE;
+	ret = oauth2_manager_destroy(manager);
+	if (ret == OAUTH2_ERROR_NONE)
+		manager_created = false;
+
+	manager = NULL;
+
+	ret = oauth2_request_destroy(request);
+	if (ret == OAUTH2_ERROR_NONE)
+		request_created = false;
+
+	request = NULL;
+}
+
+int utc_oauth2_manager_create_p(void)
+{
+	assert(manager_created);
+
+	return 0;
+}
+
+int utc_oauth2_manager_create_n(void)
+{
+	int ret = OAUTH2_ERROR_NONE;
+	ret = oauth2_manager_create(NULL);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_manager_destroy_p(void)
+{
+	oauth2_manager_h manager_local = NULL;
+
+	int ret = oauth2_manager_create(&manager_local);
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	ret = oauth2_manager_destroy(manager_local);
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	return 0;
+}
+
+int oauth2_manager_destroy_n(void)
+{
+	int ret = OAUTH2_ERROR_NONE;
+	ret = oauth2_manager_destroy(NULL);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_manager_request_token_n(void)
+{
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_manager_request_token(NULL, NULL, NULL, NULL);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_manager_request_authorization_grant_n(void)
+{
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_manager_request_authorization_grant(NULL, NULL, NULL, NULL);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_manager_request_access_token_n(void)
+{
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_manager_request_access_token(NULL, NULL, NULL, NULL);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_manager_refresh_access_token_n(void)
+{
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_manager_refresh_access_token(NULL, NULL, NULL, NULL);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_manager_is_request_in_progress_n(void)
+{
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_manager_is_request_in_progress(NULL);
+	assert_eq(ret, false);
+
+	return 0;
+}
+
+int oauth2_manager_clear_cookies_n(void)
+{
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_manager_clear_cookies(NULL);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_manager_clear_cache_n(void)
+{
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_manager_clear_cache(NULL);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+
+/*
+ * request
+ */
+
+int oauth2_request_create_p(void)
+{
+	assert(request_created);
+
+	return 0;
+}
+
+int oauth2_request_create_n(void)
+{
+	int ret = OAUTH2_ERROR_NONE;
+	ret = oauth2_request_create(NULL);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_destroy_p(void)
+{
+	assert(request_created);
+	utc_oauth2_cleanup();
+
+	assert(!request_created);
+
+	utc_oauth2_startup();
+
+	return 0;
+}
+
+int oauth2_request_destroy_n(void)
+{
+	int ret = OAUTH2_ERROR_NONE;
+	ret = oauth2_request_destroy(NULL);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_set_auth_end_point_url_p(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_auth_end_point_url(request, "www.example.com");
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	return 0;
+}
+
+int oauth2_request_set_auth_end_point_url_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_auth_end_point_url(NULL, "www.example.com");
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_set_token_end_point_url_p(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_token_end_point_url(request, "www.example.com");
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	return 0;
+}
+
+int oauth2_request_set_token_end_point_url_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_token_end_point_url(NULL, "www.example.com");
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_set_redirection_url_p(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_redirection_url(request, "www.example.com");
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	return 0;
+}
+
+int oauth2_request_set_redirection_url_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_redirection_url(NULL, "www.example.com");
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_set_refresh_token_url_p(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_refresh_token_url(request, "www.example.com");
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	return 0;
+}
+
+int oauth2_request_set_refresh_token_url_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_refresh_token_url(NULL, "www.example.com");
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_set_refresh_token_p(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_refresh_token(request, "refresh_token");
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	return 0;
+}
+
+int oauth2_request_set_refresh_token_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_refresh_token(NULL, "refresh_token");
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_set_response_type_p(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+	oauth2_response_type_e type = OAUTH2_RESPONSE_TYPE_CODE;
+
+	ret = oauth2_request_set_response_type(request, type);
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	return 0;
+}
+
+int oauth2_request_set_response_type_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_response_type(NULL, OAUTH2_RESPONSE_TYPE_CODE);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_set_client_id_p(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_client_id(request, "client_id");
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	return 0;
+}
+
+int oauth2_request_set_client_id_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_client_id(NULL, "client_id");
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_set_client_authentication_type_p(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_client_authentication_type(request, OAUTH2_CLIENT_AUTHENTICATION_TYPE_REQUEST_BODY);
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	return 0;
+}
+
+int oauth2_request_set_client_authentication_type_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_client_authentication_type(NULL, OAUTH2_CLIENT_AUTHENTICATION_TYPE_REQUEST_BODY);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_set_scope_p(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_scope(request, "email");
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	return 0;
+}
+
+int oauth2_request_set_scope_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_scope(NULL, "email");
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_set_state_p(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_state(request, "sample_state");
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	return 0;
+}
+
+int oauth2_request_set_state_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_state(NULL, "sample_state");
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_set_grant_type_p(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+	int type = OAUTH2_GRANT_TYPE_AUTH_CODE;
+
+	ret = oauth2_request_set_grant_type(request, type);
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	return 0;
+}
+
+int oauth2_request_set_grant_type_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+	int type = OAUTH2_GRANT_TYPE_AUTH_CODE;
+
+	ret = oauth2_request_set_grant_type(NULL, type);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_set_authorization_code_p(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_authorization_code(request, "authorization_code");
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	return 0;
+}
+
+int oauth2_request_set_authorization_code_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_authorization_code(NULL, "authorization_code");
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_set_user_name_p(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_user_name(request, "user_name");
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	return 0;
+}
+
+int oauth2_request_set_user_name_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_user_name(NULL, "user_name");
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_set_password_p(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_password(request, "password");
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	return 0;
+}
+
+int oauth2_request_set_password_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_password(NULL, "password");
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_add_custom_data_p(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_add_custom_data(request, "custom_key", "custom_value");
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	return 0;
+}
+
+int oauth2_request_add_custom_data_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_add_custom_data(NULL, "custom_key", "custom_value");
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_get_auth_end_point_url_p(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_auth_end_point_url(request, "www.example.com");
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	char *url = NULL;
+	ret = oauth2_request_get_auth_end_point_url(request, &url);
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	assert_eq(strcmp("www.example.com", url), 0);
+
+	return 0;
+}
+
+int oauth2_request_get_auth_end_point_url_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+	char *url = NULL;
+
+	ret = oauth2_request_get_auth_end_point_url(NULL, &url);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_get_token_end_point_url_p(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_token_end_point_url(request, "www.example.com");
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	char *url = NULL;
+	ret = oauth2_request_get_token_end_point_url(request, &url);
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	assert_eq(strcmp("www.example.com", url), 0);
+
+	return 0;
+}
+
+int oauth2_request_get_token_end_point_url_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+	char *url = NULL;
+
+	ret = oauth2_request_get_token_end_point_url(NULL, &url);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_get_redirection_url_p(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_redirection_url(request, "www.example.com");
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	char *url = NULL;
+	ret = oauth2_request_get_redirection_url(request, &url);
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	assert_eq(strcmp("www.example.com", url), 0);
+
+	return 0;
+}
+
+int oauth2_request_get_redirection_url_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+	char *url = NULL;
+
+	ret = oauth2_request_get_redirection_url(NULL, &url);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_get_refresh_token_url_p(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_refresh_token_url(request, "www.example.com");
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	char *url = NULL;
+	ret = oauth2_request_get_refresh_token_url(request, &url);
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	assert_eq(strcmp("www.example.com", url), 0);
+
+	return 0;
+}
+
+int oauth2_request_get_refresh_token_url_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+	char *url = NULL;
+
+	ret = oauth2_request_get_refresh_token_url(NULL, &url);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_get_refresh_token_p(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_refresh_token(request, "refresh_token");
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	char *token = NULL;
+	ret = oauth2_request_get_refresh_token(request, &token);
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	assert_eq(strcmp("refresh_token", token), 0);
+
+	return 0;
+}
+
+int oauth2_request_get_refresh_token_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+	char *token = NULL;
+
+	ret = oauth2_request_get_refresh_token_url(NULL, &token);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_get_response_type_p(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+	oauth2_response_type_e set_type = OAUTH2_RESPONSE_TYPE_CODE;
+
+	ret = oauth2_request_set_response_type(request, set_type);
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	oauth2_response_type_e type;
+	ret = oauth2_request_get_response_type(request, &type);
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	assert_eq(type, OAUTH2_RESPONSE_TYPE_CODE);
+
+	return 0;
+}
+
+int oauth2_request_get_response_type_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+	oauth2_response_type_e type;
+
+	ret = oauth2_request_get_response_type(NULL, &type);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_get_client_id_p(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_client_id(request, "client_id");
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	char *id = NULL;
+	ret = oauth2_request_get_client_id(request, &id);
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	assert_eq(strcmp("client_id", id), 0);
+
+	return 0;
+}
+
+int oauth2_request_get_client_id_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+	char *id = NULL;
+
+	ret = oauth2_request_get_client_id(NULL, &id);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_get_client_secret_p(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_client_secret(request, "client_secret");
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	char *secret = NULL;
+	ret = oauth2_request_get_client_secret(request, &secret);
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	assert_eq(strcmp("client_secret", secret), 0);
+
+	return 0;
+}
+
+int oauth2_request_get_client_secret_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+	char *secret = NULL;
+
+	ret = oauth2_request_get_client_secret(NULL, &secret);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_get_scope_p(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_scope(request, "email");
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	char *scope = NULL;
+	ret = oauth2_request_get_scope(request, &scope);
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	assert_eq(strcmp("email", scope), 0);
+
+	return 0;
+}
+
+int oauth2_request_get_scope_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+	char *scope = NULL;
+
+	ret = oauth2_request_get_scope(NULL, &scope);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_get_state_p(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_state(request, "sample_state");
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	char *state = NULL;
+	ret = oauth2_request_get_state(request, &state);
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	assert_eq(strcmp("sample_state", state), 0);
+
+	return 0;
+}
+
+int oauth2_request_get_state_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+	char *state = NULL;
+
+	ret = oauth2_request_get_state(NULL, &state);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_get_grant_type_p(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+	int set_type = OAUTH2_GRANT_TYPE_AUTH_CODE;
+
+	ret = oauth2_request_set_grant_type(request, set_type);
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	oauth2_grant_type_e type;
+	ret = oauth2_request_get_grant_type(request, &type);
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	assert_eq(type, OAUTH2_GRANT_TYPE_AUTH_CODE);
+
+	return 0;
+}
+
+int oauth2_request_get_grant_type_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+	oauth2_grant_type_e type;
+
+	ret = oauth2_request_get_grant_type(NULL, &type);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_get_authorization_code_p(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_authorization_code(request, "auth_code");
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	char *code = NULL;
+	ret = oauth2_request_get_authorization_code(request, &code);
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	assert_eq(strcmp("auth_code", code), 0);
+
+	return 0;
+}
+
+int oauth2_request_get_authorization_code_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+	char *code = NULL;
+
+	ret = oauth2_request_get_authorization_code(NULL, &code);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_get_user_name_p(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_user_name(request, "user_name");
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	char *user_name = NULL;
+	ret = oauth2_request_get_user_name(request, &user_name);
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	assert_eq(strcmp("user_name", user_name), 0);
+
+	return 0;
+}
+
+int oauth2_request_get_user_name_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+	char *user_name = NULL;
+
+	ret = oauth2_request_get_user_name(NULL, &user_name);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_get_password_p(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_set_password(request, "password");
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	char *password = NULL;
+	ret = oauth2_request_get_password(request, &password);
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	assert_eq(strcmp("password", password), 0);
+
+	return 0;
+}
+
+int oauth2_request_get_password_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+	char *password = NULL;
+
+	ret = oauth2_request_get_password(NULL, &password);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_request_get_custom_data_p(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_request_add_custom_data(request, "c_key", "c_val");
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	char *val = NULL;
+	ret = oauth2_request_get_custom_data(request, "c_key", &val);
+	assert_eq(ret, OAUTH2_ERROR_NONE);
+
+	assert_eq(strcmp("c_val", val), 0);
+
+	return 0;
+}
+
+int oauth2_request_get_custom_data_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	char *val = NULL;
+	ret = oauth2_request_get_custom_data(request, "key", &val);
+	assert_eq(ret, OAUTH2_ERROR_VALUE_NOT_FOUND);
+
+	return 0;
+}
+
+
+/*
+ * response
+ */
+
+int oauth2_response_destroy_n(void)
+{
+	int ret = OAUTH2_ERROR_NONE;
+
+	ret = oauth2_response_destroy(NULL);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_response_get_authorization_code_n(void)
+{
+	int ret = OAUTH2_ERROR_NONE;
+	char *code = NULL;
+
+	ret = oauth2_response_get_authorization_code(NULL, &code);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_response_get_state_n(void)
+{
+	int ret = OAUTH2_ERROR_NONE;
+	char *state = NULL;
+
+	ret = oauth2_response_get_state(NULL, &state);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_response_get_access_token_n(void)
+{
+	int ret = OAUTH2_ERROR_NONE;
+	char *token = NULL;
+
+	ret = oauth2_response_get_access_token(NULL, &token);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_response_get_token_type_n(void)
+{
+	int ret = OAUTH2_ERROR_NONE;
+	char *type = NULL;
+
+	ret = oauth2_response_get_token_type(NULL, &type);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_response_get_expires_in_n(void)
+{
+	int ret = OAUTH2_ERROR_NONE;
+	long long expires_in = 0;
+
+	ret = oauth2_response_get_expires_in(NULL, &expires_in);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_response_get_refresh_token_n(void)
+{
+	int ret = OAUTH2_ERROR_NONE;
+	char *token = NULL;
+
+	ret = oauth2_response_get_refresh_token(NULL, &token);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_response_get_scope_n(void)
+{
+	int ret = OAUTH2_ERROR_NONE;
+	char *scope = NULL;
+
+	ret = oauth2_response_get_scope(NULL, &scope);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_response_get_error_n(void)
+{
+	int ret = OAUTH2_ERROR_NONE;
+	oauth2_error_h err = NULL;
+
+	ret = oauth2_response_get_error(NULL, &err);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_response_get_custom_data_n(void)
+{
+	assert(request);
+
+	int ret = OAUTH2_ERROR_NONE;
+
+	char *val = NULL;
+	ret = oauth2_response_get_custom_data(NULL, "key", &val);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+
+/*
+ * error
+ */
+
+int oauth2_error_get_code_n(void)
+{
+	int ret = OAUTH2_ERROR_NONE;
+
+	int val1 = 0;
+	int val2 = 0;
+
+	ret = oauth2_error_get_code(NULL, &val1, &val2);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_error_get_description_n(void)
+{
+	int ret = OAUTH2_ERROR_NONE;
+	char *description = NULL;
+
+	ret = oauth2_error_get_description(NULL, &description);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_error_get_uri_n(void)
+{
+	int ret = OAUTH2_ERROR_NONE;
+	char *uri = NULL;
+
+	ret = oauth2_error_get_uri(NULL, &uri);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
+int oauth2_error_get_custom_data_n(void)
+{
+	int ret = OAUTH2_ERROR_NONE;
+
+	char *val = NULL;
+	ret = oauth2_error_get_custom_data(NULL, "key", &val);
+	assert_eq(ret, OAUTH2_ERROR_INVALID_PARAMETER);
+
+	return 0;
+}
+
diff --git a/doc/liboauth2_doc.h b/doc/liboauth2_doc.h
new file mode 100644
index 0000000..a3477d3
--- /dev/null
+++ b/doc/liboauth2_doc.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2014 - 2015 Samsung Electronics Co., Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#ifndef __OAUTH2_DOC_H__
+#define __OAUTH2_DOC_H__
+
+/**
+ * @defgroup  CAPI_OAUTH2_MODULE OAuth 2.0
+ * @ingroup   CAPI_ACCOUNT_FRAMEWORK
+ * @brief     The OAuth 2.0 APIs provide easy way to gain access token between server and client.
+ *
+ * @section   CAPI_OAUTH2_HEADER Required Header
+ *  \#include <oauth2.h>
+ *
+ * @section CAPI_OAUTH2_MODULE_OVERVIEW Overview
+ * The OAuth 2.0 authorization framework enables a third-party application to obtain limited access to an HTTP service, either on behalf of a resource owner by orchestrating an approval interaction between the resource owner and the HTTP service, or by allowing the third-party application to obtain access on its own behalf.
+ *
+ * @if WEARABLE
+ * @section CAPI_OAUTH2_MODULE_FEATURE Related Features
+ * This API is related with the following features:
+ *  - http://tizen.org/feature/network.internet
+ *
+ * It is recommended to design feature related codes in your application for reliability.\n
+ *
+ * You can check if a device supports the related features for this API by using @ref CAPI_SYSTEM_SYSTEM_INFO_MODULE, thereby controlling the procedure of your application.\n
+ *
+ * To ensure your application is only running on the device with specific features, please define the features in your manifest file using the manifest editor in the SDK.\n
+ *
+ * More details on featuring your application can be found from <a href="../org.tizen.mobile.native.appprogramming/html/ide_sdk_tools/feature_element.htm"><b>Feature Element</b>.</a>
+ * @endif
+ *
+*/
+
+#endif /* __OAUTH2_DOC_H__  */
diff --git a/include/oauth2.h b/include/oauth2.h
new file mode 100644
index 0000000..9b90eb8
--- /dev/null
+++ b/include/oauth2.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2014 - 2015 Samsung Electronics Co., Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#ifndef _OAUTH2_H_
+#define _OAUTH2_H_
+
+#include "oauth2_manager.h"
+#include "oauth2_request.h"
+#include "oauth2_response.h"
+#include "oauth2_error.h"
+#include "oauth2_types.h"
+
+/**
+ * Tizen OAuth 2.0 Authorization Framework.
+ * Refer to http://tools.ietf.org/html/rfc6749 about OAuth 2.0. Also service provider document needs to be referred for using end points and additional parameters.
+ */
+
+/**
+ * @addtogroup CAPI_OAUTH2_MODULE
+ * @{
+ */
+
+/* End of OAuth 2.0 APIs */
+/**
+ * @}
+ */
+
+#endif // _OAUTH2_H_
diff --git a/include/oauth2_error.h b/include/oauth2_error.h
new file mode 100644
index 0000000..99cc7fc
--- /dev/null
+++ b/include/oauth2_error.h
@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 2014 - 2015 Samsung Electronics Co., Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#ifndef OAUTH2_ERROR_H_
+#define OAUTH2_ERROR_H_
+
+#include "oauth2_types.h"
+
+/**
+ * @file oauth2_error.h
+ * @brief The OAuth 2.0 error APIs are used to get error fields received from server.
+ * Refer to service provider documentation about the allowed and additional fields.
+ */
+
+/**
+ * @addtogroup CAPI_OAUTH2_MODULE
+ * @{
+ */
+
+/**
+ * @brief The structure type for OAuth 2.0 Error handle.
+ * @since_tizen 2.4
+
+ */
+typedef struct oauth2_error_s* oauth2_error_h;
+
+/**
+ * @brief Gets error code.
+ * @since_tizen 2.4
+
+ *
+ * @remarks		You must not free server_error_code and platform_error_code
+ * @param[in] handle The error handle.
+ * @param [out] server_error_code Error code (if any) returned by the server.
+ * @param [out] platform_error_code Tizen platform related error code (if any), value is of type oauth2_error_e
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval     #OAUTH2_ERROR_VALUE_NOT_FOUND    Value not found
+ */
+OAUTH2_API int oauth2_error_get_code(oauth2_error_h handle, int *server_error_code, int *platform_error_code);
+
+/**
+ * @brief Gets error description.
+ * @since_tizen 2.4
+
+ *
+ * @remarks		You must not free description
+ * @param[in] handle The error handle.
+ * @param[out] description The Error description.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval     #OAUTH2_ERROR_VALUE_NOT_FOUND    Value not found
+ */
+OAUTH2_API int oauth2_error_get_description(oauth2_error_h handle, char **description);
+
+/**
+ * @brief Gets error uri.
+ * @since_tizen 2.4
+
+ *
+ * @remarks		You must not free uri
+ * @param[in] handle The error handle.
+ * @param[out] uri The Error URI.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval     #OAUTH2_ERROR_VALUE_NOT_FOUND    Value not found
+ */
+OAUTH2_API int oauth2_error_get_uri(oauth2_error_h handle, char **uri);
+
+/**
+ * @brief Gets the custom data.
+ * @since_tizen 2.4
+
+ *
+ * @remarks		You must not free custom_value
+ * @param[in] handle The error handle.
+ * @param[in] custom_key The custom key.
+ * @param[out] custom_value The custom value.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval     #OAUTH2_ERROR_VALUE_NOT_FOUND    Value not found
+ */
+OAUTH2_API int oauth2_error_get_custom_data(oauth2_error_h handle, const char *custom_key, char **custom_value);
+
+/* End of OAuth 2.0 APIs */
+/**
+ * @}
+ */
+
+#endif /* OAUTH2_ERROR_H_ */
diff --git a/include/oauth2_manager.h b/include/oauth2_manager.h
new file mode 100644
index 0000000..d72d5fc
--- /dev/null
+++ b/include/oauth2_manager.h
@@ -0,0 +1,292 @@
+/*
+ * Copyright (c) 2014 - 2015 Samsung Electronics Co., Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#ifndef OAUTH2_MANAGER_H_
+#define OAUTH2_MANAGER_H_
+
+#include "oauth2_request.h"
+#include "oauth2_response.h"
+#include "oauth2_error.h"
+#include "oauth2_types.h"
+
+/**
+ * @file oauth2_manager.h
+ * @brief The main OAuth 2.0 handler APIs.
+ * @details The Application must use either:
+ * oauth2_manager_request_token
+ * or
+ * oauth2_manager_request_authorization_grant and then oauth2_manager_request_access_token.
+ * One instance handles only one pending request at any given time. If requested again before completion it throws TIZEN_ERROR_ALREADY_IN_PROGRESS.
+ * Application  must have internet in order to use these APIs.
+ */
+
+/**
+ * @addtogroup CAPI_OAUTH2_MODULE
+ * @{
+ */
+
+/**
+ * @brief The structure type for OAuth 2.0 Manager handle.
+ * @since_tizen 2.4
+ */
+typedef struct oauth2_manager_s* oauth2_manager_h;
+
+/**
+ * @brief Creates oauth2_manager_h handle.
+ * @remarks It must be freed using oauth2_manager_destroy().
+ * @since_tizen 2.4
+ *
+ * @param[out]  handle  The created handle
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ *
+ * @see oauth2_manager_destroy()
+ */
+OAUTH2_API int oauth2_manager_create(oauth2_manager_h *handle);
+
+/**
+ * @brief Destroys oauth2_manager_h handle.
+ * @since_tizen 2.4
+ *
+ * @param[in] handle The oauth2_manager handle.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ */
+OAUTH2_API int oauth2_manager_destroy(oauth2_manager_h handle);
+
+/**
+ * @brief Called when the oauth2_manager_request_token() resopnse comes.
+ * @since_tizen 2.4
+ *
+ * param[in] response The response. The response must be released using oauth2_response_destroy().
+ * param[in] user_data The user data passed from the callback function.
+ *
+ * @pre oauth2_manager_request_token() must be called to get this callback invoked.
+ * @see oauth2_manager_request_token()
+ */
+typedef void (*oauth2_token_cb)(oauth2_response_h response, void* user_data);
+
+/**
+ * @brief Request OAuth 2.0 access token.
+ * @details The response is delivered via oauth2_token_cb().
+ * "internet" privilege is required to call this API. Note, only one pending request is allowed.
+ * @since_tizen 2.4
+ * @privlevel public
+ * @privilege %http://tizen.org/privilege/internet
+ *
+ * @param[in] handle   The oauth2_manager_handle.
+ * @param[in] request  The request handle.
+ * @param[in] callback The callback to receive response.
+ * @param[in]  user_data  The user data to be passed to the callback function.
+ *
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY Out of memory.
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER Invalid input parameter(s) passed.
+ * @retval     #OAUTH2_ERROR_ALREADY_IN_PROGRESS The previous request is already in progress.
+ * @retval     #OAUTH2_ERROR_PERMISSION_DENIED Permission denied.
+ * @retval     #OAUTH2_ERROR_NOT_SUPPORTED Not supported.
+ * @retval     #OAUTH2_ERROR_PARSE_FAILED Parsing failed.
+ * @retval     #OAUTH2_ERROR_NETWORK_ERROR Network Error.
+ * @retval     #OAUTH2_ERROR_UNKNOWN Unknown system error.
+ *
+ * @see oauth2_token_cb()
+ * @see oauth2_manager_create()
+ * @see oauth2_request_create()
+ */
+OAUTH2_API int oauth2_manager_request_token(oauth2_manager_h handle, oauth2_request_h request, oauth2_token_cb callback, void *user_data);
+
+/**
+ * @brief Called when oauth2_manager_request_authorization_grant() response comes.
+ * @since_tizen 2.4
+ *
+ * @param[in] response The response. The response must be released using oauth2_response_destroy().
+ * param[in] user_data The user data passed from the callback function.
+ *
+ * @pre oauth2_manager_request_authorization_grant() must be called to get this callback invoked.
+ * @see oauth2_manager_request_authorization_grant()
+ */
+typedef void (*oauth2_auth_grant_cb)(oauth2_response_h response, void* user_data);
+
+/**
+ * @brief Request authorization grant.
+ * @details The response is delivered via oauth2_auth_grant_cb().
+ * "internet" privilege is required to call this API. Note, only one pending request is allowed at a time.
+ * @since_tizen 2.4
+ * @privlevel public
+ * @privilege %http://tizen.org/privilege/internet
+ *
+ * @param[in] handle   The oauth2_manager handle.
+ * @param[in] request  The request handle.
+ * @param[in] callback The application callback.
+ * @param[in]  user_data  The user data to be passed to the callback function.
+ *
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY Out of memory.
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER Invalid input parameter(s) passed.
+ * @retval     #OAUTH2_ERROR_ALREADY_IN_PROGRESS The previous request is already in progress.
+ * @retval     #OAUTH2_ERROR_PERMISSION_DENIED Permission denied.
+ * @retval     #OAUTH2_ERROR_NOT_SUPPORTED Not supported.
+ * @retval     #OAUTH2_ERROR_PARSE_FAILED Parsing failed.
+ * @retval     #OAUTH2_ERROR_NETWORK_ERROR Network Error.
+ * @retval     #OAUTH2_ERROR_UNKNOWN Unknown system error.
+ *
+ * @see oauth2_auth_grant_cb()
+ * @see oauth2_manager_create()
+ * @see oauth2_request_create()
+ */
+OAUTH2_API int oauth2_manager_request_authorization_grant(oauth2_manager_h handle, oauth2_request_h request, oauth2_auth_grant_cb callback, void *user_data);
+
+/**
+ * @brief Called when oauth2_manager_request_access_token() response comes.
+ * @since_tizen 2.4
+ *
+ * @param[in] response The response. The response must be released using oauth2_response_destroy().
+ * param[in] user_data The user data passed from the callback function.
+ *
+ * @pre oauth2_manager_request_access_token() must be called to get this callback invoked.
+ * @see oauth2_manager_request_access_token()
+ */
+typedef void (*oauth2_access_token_cb)(oauth2_response_h response, void* user_data);
+
+/**
+ * @brief Requests an access token.
+ * @details The response is delivered via oauth2_access_token_cb() callback.
+ * "internet" privilege is required to call this API. Note, only one pending request is allowed at a time.
+ * @since_tizen 2.4
+ * @privlevel public
+ * @privilege %http://tizen.org/privilege/internet
+ *
+ * @param[in] handle   The oauth2_manager handle.
+ * @param[in] request  The request handle.
+ * @param[in] callback The application callback.
+ * @param[in]  user_data  The user data to be passed to the callback function.
+ *
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY Out of memory.
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER Invalid input parameter(s) passed.
+ * @retval     #OAUTH2_ERROR_ALREADY_IN_PROGRESS The previous request is already in progress.
+ * @retval     #OAUTH2_ERROR_PERMISSION_DENIED Permission denied.
+ * @retval     #OAUTH2_ERROR_NOT_SUPPORTED Not supported.
+ * @retval     #OAUTH2_ERROR_PARSE_FAILED Parsing failed.
+ * @retval     #OAUTH2_ERROR_NETWORK_ERROR Network Error.
+ * @retval     #OAUTH2_ERROR_UNKNOWN Unknown system error.
+ *
+ * @see oauth2_access_token_cb()
+ * @see oauth2_manager_create()
+ * @see oauth2_request_create()
+ */
+OAUTH2_API int oauth2_manager_request_access_token(oauth2_manager_h handle, oauth2_request_h request, oauth2_access_token_cb callback, void *user_data);
+
+/**
+ * @brief Called when oauth2_manager_refresh_access_token() response comes.
+ * @since_tizen 2.4
+ *
+ * @param[in] response The response. The response must be released using oauth2_response_destroy().
+ * param[in] user_data The user data passed from the callback function.
+ *
+ * @pre oauth2_manager_refresh_access_token() must be called to get this callback invoked.
+ * @see oauth2_manager_refresh_access_token().
+ */
+typedef void (*oauth2_refresh_token_cb)(oauth2_response_h response, void* user_data);
+
+/**
+ * @brief Requests a refresh token.
+ * @details The response is delivered via oauth2_refresh_token_cb() callback.
+ * "internet" privilege is required to call this API. Note, only one pending request is allowed at a time.
+ * @since_tizen 2.4
+ * @privlevel public
+ * @privilege %http://tizen.org/privilege/internet
+ *
+ * @param[in] handle   The oauth2_manager handle.
+ * @param[in] request  The request handle.
+ * @param[in] callback The application callback.
+ * @param[in]  user_data  The user data to be passed to the callback function.
+ *
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY Out of memory.
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER Invalid input parameter(s) passed.
+ * @retval     #OAUTH2_ERROR_ALREADY_IN_PROGRESS The previous request is already in progress.
+ * @retval     #OAUTH2_ERROR_PERMISSION_DENIED Permission denied.
+ * @retval     #OAUTH2_ERROR_NOT_SUPPORTED Not supported.
+ * @retval     #OAUTH2_ERROR_PARSE_FAILED Parsing failed.
+ * @retval     #OAUTH2_ERROR_NETWORK_ERROR Network Error.
+ * @retval     #OAUTH2_ERROR_UNKNOWN Unknown system error.
+ *
+ * @see oauth2_refresh_token_cb()
+ * @see oauth2_manager_create()
+ * @see oauth2_request_create()
+ */
+OAUTH2_API int oauth2_manager_refresh_access_token(oauth2_manager_h handle, oauth2_request_h request, oauth2_refresh_token_cb callback, void *user_data);
+
+/**
+ * @brief Returns whether oauth2_manager related request is pending.
+ * @since_tizen 2.4
+ *
+ * @param[in] handle The auth2_manager handle.
+ * @retval     false No pending request
+ * @retval     true There is pending request.
+ */
+OAUTH2_API bool oauth2_manager_is_request_in_progress(oauth2_manager_h handle);
+
+/**
+ * @brief Clears the cookies.
+ * @since_tizen 2.4
+ * @privlevel public
+ * @privilege %http://tizen.org/privilege/internet
+ *
+ * @param[in] handle The oauth2_manager handle.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval     #OAUTH2_ERROR_PERMISSION_DENIED Permission denied.
+ * @retval     #OAUTH2_ERROR_NOT_SUPPORTED Not supported.
+ */
+OAUTH2_API int oauth2_manager_clear_cookies(oauth2_manager_h handle);
+
+/**
+ * @brief Clears the cache.
+ * @since_tizen 2.4
+ * @privlevel public
+ * @privilege %http://tizen.org/privilege/internet
+ *
+ * @param[in] handle The oauth2_manager handle.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval     #OAUTH2_ERROR_PERMISSION_DENIED Permission denied.
+ * @retval     #OAUTH2_ERROR_NOT_SUPPORTED Not supported.
+ */
+OAUTH2_API int oauth2_manager_clear_cache(oauth2_manager_h handle);
+
+/* End of OAuth 2.0 APIs */
+/**
+ * @}
+ */
+
+#endif /* OAUTH2_MANAGER_H_ */
diff --git a/include/oauth2_request.h b/include/oauth2_request.h
new file mode 100644
index 0000000..ea754b6
--- /dev/null
+++ b/include/oauth2_request.h
@@ -0,0 +1,610 @@
+/*
+ * Copyright (c) 2014 - 2015 Samsung Electronics Co., Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#ifndef OAUTH2_REQUEST_H_
+#define OAUTH2_REQUEST_H_
+
+#include "oauth2_types.h"
+
+/**
+ * @file oauth2_request.h
+ * @brief The OAuth 2.0 request APIs are used to set various parameters to send for OAuth 2.0.
+ * Refer to service provider documentation about the allowed and additional fields.
+ */
+
+/**
+ * @addtogroup CAPI_OAUTH2_MODULE
+ * @{
+ */
+
+/**
+ * @brief The structure type for OAuth 2.0 Request handle.
+ * @since_tizen 2.4
+ */
+typedef struct oauth2_request_s* oauth2_request_h;
+
+/**
+ * @brief Creates oauth2_request_h handle.
+ * @details The handle must be freed via oauth2_request_destroy().
+ * @since_tizen 2.4
+
+ *
+ * @param[out] handle The created oauth2_request handle, else NULL for error cases.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ */
+OAUTH2_API int oauth2_request_create(oauth2_request_h *handle);
+
+/**
+ * @brief Destroys oauth2_request_h handle.
+ * @since_tizen 2.4
+
+ *
+ * @param[in] handle The oauth2_request handle to destory.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ */
+OAUTH2_API int oauth2_request_destroy(oauth2_request_h handle);
+
+/**
+ * @brief Sets authorization end point URL.
+ * @since_tizen 2.4
+
+ *
+ * @param[in] handle The request handle.
+ * @param[in] url The url.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ */
+OAUTH2_API int oauth2_request_set_auth_end_point_url(oauth2_request_h handle, const char *url);
+
+/**
+ * @brief Sets access token end point URL.
+ * @since_tizen 2.4
+
+ *
+ * @param[in] handle The request handle.
+ * @param[in] url The url.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ */
+OAUTH2_API int oauth2_request_set_token_end_point_url(oauth2_request_h handle, const char *url);
+
+/**
+ * @brief Sets redirection URL.
+ * @since_tizen 2.4
+
+ *
+ * @param[in] handle The request handle.
+ * @param[in] url The url.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ */
+OAUTH2_API int oauth2_request_set_redirection_url(oauth2_request_h handle, const char *url);
+
+/**
+ * @brief Sets refresh token end point URL.
+ * @since_tizen 2.4
+
+ *
+ * @param[in] handle The request handle.
+ * @param[in] url The url.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ */
+OAUTH2_API int oauth2_request_set_refresh_token_url(oauth2_request_h handle, const char *url);
+
+/**
+ * @brief Sets refresh token. Used mostly while using oauth2_manager_refresh_access_token().
+ * @since_tizen 2.4
+
+ *
+ * @param[in] handle The request handle.
+ * @param[in] refresh_token The refresh token string.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ */
+OAUTH2_API int oauth2_request_set_refresh_token(oauth2_request_h handle, char *refresh_token);
+
+/**
+ * @brief Sets response type.
+ * @since_tizen 2.4
+
+ *
+ * @param[in] handle The request handle.
+ * @param[in] response_type The response type.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ */
+OAUTH2_API int oauth2_request_set_response_type(oauth2_request_h handle, oauth2_response_type_e response_type);
+
+/**
+ * @brief Sets client id.
+ * @since_tizen 2.4
+
+ *
+ * @param[in] handle The request handle.
+ * @param[in] client_id The client id.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ */
+OAUTH2_API int oauth2_request_set_client_id(oauth2_request_h handle, const char *client_id);
+
+/**
+ * @brief Sets client secret.
+ * @since_tizen 2.4
+
+ *
+ * @param[in] handle The request handle.
+ * @param[in] client_secret The secret.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ */
+OAUTH2_API int oauth2_request_set_client_secret(oauth2_request_h handle, const char *client_secret);
+
+/**
+ * @brief Sets client authentication type. Default is OAUTH2_CLIENT_AUTHENTICATION_TYPE_BASIC.
+ * @since_tizen 2.4
+
+ *
+ * @param[in] handle The request handle.
+ * @param[in] client_auth_type The client authentication type.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ *
+ * @remarks Facebook and Google does not support HTTP Basic Authentication, instead they require client credentials to be sent via request body.\n
+ * So application must set OAUTH2_CLIENT_AUTHENTICATION_TYPE_REQUEST_BODY for them.
+ */
+OAUTH2_API int oauth2_request_set_client_authentication_type(oauth2_request_h handle, oauth2_client_authentication_type_e client_auth_type);
+
+/**
+ * @brief Sets scope.
+ * @since_tizen 2.4
+
+ *
+ * @param[in] handle The request handle.
+ * @param[in] scope The scope.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ */
+OAUTH2_API int oauth2_request_set_scope(oauth2_request_h handle, const char *scope);
+
+/**
+ * @brief Sets state.
+ * @since_tizen 2.4
+
+ *
+ * @param[in] handle The request handle.
+ * @param[in] state The state.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ */
+OAUTH2_API int oauth2_request_set_state(oauth2_request_h handle, const char *state);
+
+/**
+ * @brief Sets grant type.
+ * @since_tizen 2.4
+
+ *
+ * @param[in] handle The request handle.
+ * @param[in] grant_type The grant type.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ */
+OAUTH2_API int oauth2_request_set_grant_type(oauth2_request_h handle, oauth2_grant_type_e grant_type);
+
+/**
+ * @brief Sets authorization code.
+ * @since_tizen 2.4
+
+ *
+ * @param[in] handle The request handle.
+ * @param[in] authorization_code The authorization code.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ *
+ * @see oauth2_response_get_authorization_code()
+ */
+OAUTH2_API int oauth2_request_set_authorization_code(oauth2_request_h handle, const char *code);
+
+/**
+ * @brief Sets user name.
+ * @since_tizen 2.4
+
+ *
+ * @param[in] handle The request handle.
+ * @param[in] user_name The user name.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ */
+OAUTH2_API int oauth2_request_set_user_name(oauth2_request_h handle, const char *user_name);
+
+/**
+ * @brief Sets password.
+ * @since_tizen 2.4
+
+ *
+ * @param[in] handle The request handle.
+ * @param[in] password The password.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ */
+OAUTH2_API int oauth2_request_set_password(oauth2_request_h handle, const char *password);
+
+/**
+ * @brief Adds custom key-value pair to the request.
+ * @since_tizen 2.4
+
+ *
+ * @param[in] handle The request handle.
+ * @param[in] key The key.
+ * @param[in] value The value.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ *
+ * @see oauth2_request_get_custom_data()
+ */
+OAUTH2_API int oauth2_request_add_custom_data(oauth2_request_h handle, const char *key, const char *value);
+
+/**
+ * @brief Gets authorization end point URL.
+ * @since_tizen 2.4
+
+ *
+ * @remarks		You must not free url
+ * @param[in] handle The request handle.
+ * @param[out] url The url.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval     #OAUTH2_ERROR_VALUE_NOT_FOUND    Value not found
+ */
+OAUTH2_API int oauth2_request_get_auth_end_point_url(oauth2_request_h handle, char **url);
+
+/**
+ * @brief Gets access token end point URL.
+ * @since_tizen 2.4
+
+ *
+ * @remarks		You must not free url
+ * @param[in] handle The request handle.
+ * @param[out] url The url.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval     #OAUTH2_ERROR_VALUE_NOT_FOUND    Value not found
+ */
+OAUTH2_API int oauth2_request_get_token_end_point_url(oauth2_request_h handle, char **url);
+
+/**
+ * @brief Gets redirection URL.
+ * @since_tizen 2.4
+
+ *
+ * @remarks		You must not free url
+ * @param[in] handle The request handle.
+ * @param[out] url The url.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval     #OAUTH2_ERROR_VALUE_NOT_FOUND    Value not found
+ */
+OAUTH2_API int oauth2_request_get_redirection_url(oauth2_request_h handle, char **url);
+
+/**
+ * @brief Gets refresh token end point URL.
+ * @since_tizen 2.4
+
+ *
+ * @remarks		You must not free url
+ * @param[in] handle The request handle.
+ * @param[out] url The url.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval     #OAUTH2_ERROR_VALUE_NOT_FOUND    Value not found
+ */
+OAUTH2_API int oauth2_request_get_refresh_token_url(oauth2_request_h handle, char **url);
+
+/**
+ * @brief Sets refresh token.
+ * @since_tizen 2.4
+
+ *
+ * @remarks		You must not free refresh_token
+ * @param[in] handle The request handle.
+ * @param[out] refresh_token The refresh token.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval     #OAUTH2_ERROR_VALUE_NOT_FOUND    Value not found
+ */
+OAUTH2_API int oauth2_request_get_refresh_token(oauth2_request_h handle, char **refresh_token);
+
+/**
+ * @brief Gets response type.
+ * @since_tizen 2.4
+
+ *
+ * @remarks		You must not free response_type
+ * @param[in] handle The request handle.
+ * @param[out] response_type The respose type.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval     #OAUTH2_ERROR_VALUE_NOT_FOUND    Value not found
+ */
+OAUTH2_API int oauth2_request_get_response_type(oauth2_request_h handle, oauth2_response_type_e *response_type);
+
+/**
+ * @brief Gets client id.
+ * @since_tizen 2.4
+
+ *
+ * @remarks		You must not free client_id
+ * @param[in] handle The request handle.
+ * @param[out] client_id The client id.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval     #OAUTH2_ERROR_VALUE_NOT_FOUND    Value not found
+ */
+OAUTH2_API int oauth2_request_get_client_id(oauth2_request_h handle, char **client_id);
+
+/**
+ * @brief Gets client secret.
+ * @since_tizen 2.4
+
+ *
+ * @remarks		You must not free client_secret
+ * @param[in] handle The request handle.
+ * @param[out] client_secret The client_secret.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval     #OAUTH2_ERROR_VALUE_NOT_FOUND    Value not found
+ */
+OAUTH2_API int oauth2_request_get_client_secret(oauth2_request_h handle, char **client_secret);
+
+/**
+ * @brief Gets scope.
+ * @since_tizen 2.4
+
+ *
+ * @remarks		You must not free scope
+ * @param[in] handle The request handle.
+ * @param[out] scope The scope.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval     #OAUTH2_ERROR_VALUE_NOT_FOUND    Value not found
+ */
+OAUTH2_API int oauth2_request_get_scope(oauth2_request_h handle, char **scope);
+
+/**
+ * @brief Gets state.
+ * @since_tizen 2.4
+
+ *
+ * @remarks		You must not free state
+ * @param[in] handle The request handle.
+ * @param[out] state The state.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval     #OAUTH2_ERROR_VALUE_NOT_FOUND    Value not found
+ */
+OAUTH2_API int oauth2_request_get_state(oauth2_request_h handle, char **state);
+
+/**
+ * @brief Gets grant type.
+ * @since_tizen 2.4
+
+ *
+ * @remarks		You must not free grant_type
+ * @param[in] handle The request handle.
+ * @param[out] grant_type The grant type.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval     #OAUTH2_ERROR_VALUE_NOT_FOUND    Value not found
+ */
+OAUTH2_API int oauth2_request_get_grant_type(oauth2_request_h handle, oauth2_grant_type_e *grant_type);
+
+/**
+ * @brief Get authorization code.
+ * @since_tizen 2.4
+
+ *
+ * @remarks		You must not free code
+ * @param[in] handle The request handle.
+ * @param[out] code The code.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval     #OAUTH2_ERROR_VALUE_NOT_FOUND    Value not found
+ */
+OAUTH2_API int oauth2_request_get_authorization_code(oauth2_request_h handle, char **code);
+
+/**
+ * @brief Gets user name.
+ * @since_tizen 2.4
+
+ *
+ * @remarks		You must not free user_name
+ * @param[in] handle The request handle.
+ * @param[out] user_name The user name.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval     #OAUTH2_ERROR_VALUE_NOT_FOUND    Value not found
+ */
+OAUTH2_API int oauth2_request_get_user_name(oauth2_request_h handle, char **user_name);
+
+/**
+ * @brief Gets password.
+ * @since_tizen 2.4
+
+ *
+ * @remarks		You must not free password
+ * @param[in] handle The request handle.
+ * @param[out] password The password.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval     #OAUTH2_ERROR_VALUE_NOT_FOUND    Value not found
+ */
+OAUTH2_API int oauth2_request_get_password(oauth2_request_h handle, char **password);
+
+/**
+ * @brief Gets the custom value.
+ * @since_tizen 2.4
+
+ *
+ * @remarks		You must not free custom_value
+ * @param[in] handle The request handle.
+ * @param[in] custom_key The custom key.
+ * @param[out] custom_value The custom value.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval     #OAUTH2_ERROR_VALUE_NOT_FOUND    Value not found
+ */
+OAUTH2_API int oauth2_request_get_custom_data(oauth2_request_h handle, const char *custom_key, char **custom_value);
+
+/* End of OAuth 2.0 APIs */
+/**
+ * @}
+ */
+
+#endif /* OAUTH2_REQUEST_H_ */
diff --git a/include/oauth2_response.h b/include/oauth2_response.h
new file mode 100644
index 0000000..5c31180
--- /dev/null
+++ b/include/oauth2_response.h
@@ -0,0 +1,228 @@
+/*
+ * Copyright (c) 2014 - 2015 Samsung Electronics Co., Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#ifndef OAUTH2_RESPONSE_H_
+#define OAUTH2_RESPONSE_H_
+
+#include "oauth2_types.h"
+#include "oauth2_error.h"
+
+/**
+ * @file oauth2_response.h
+ * @brief The OAuth 2.0 response APIs are used to get various parameters received from server.
+ * Refer to service provider documentation about the allowed and additional fields.
+ */
+
+/**
+ * @addtogroup CAPI_OAUTH2_MODULE
+ * @{
+ */
+
+/**
+ * @brief The structure type for OAuth 2.0 Response handle.
+ * @since_tizen 2.4
+ */
+typedef struct oauth2_response_s* oauth2_response_h;
+
+/**
+ * @brief Destroys the received oauth2_response_h handle.
+ * @since_tizen 2.4
+ *
+ * @param[in] handle The response handle.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ */
+OAUTH2_API int oauth2_response_destroy(oauth2_response_h handle);
+
+/**
+ * @brief Gets the authorization code.
+ * @since_tizen 2.4
+
+ *
+ * @remarks		You must not free code
+ * @param[in] handle The response handle.
+ * @param[out] code The code.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval     #OAUTH2_ERROR_VALUE_NOT_FOUND    Value not found
+ *
+ * @see oauth2_request_set_authorization_code()
+ */
+OAUTH2_API int oauth2_response_get_authorization_code(oauth2_response_h handle, char **code);
+
+/**
+ * @brief Gets state.
+ * @since_tizen 2.4
+
+ *
+ * @remarks		You must not free state
+ * @param[in] handle The response handle.
+ * @param[out] state The state.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval     #OAUTH2_ERROR_VALUE_NOT_FOUND    Value not found
+ */
+OAUTH2_API int oauth2_response_get_state(oauth2_response_h handle, char **state);
+
+/**
+ * @brief Gets access token.
+ * @since_tizen 2.4
+
+ *
+ * @remarks		You must not free access_token
+ * @param[in] handle The response handle.
+ * @param[out] access_token The access token.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval     #OAUTH2_ERROR_VALUE_NOT_FOUND    Value not found
+ */
+OAUTH2_API int oauth2_response_get_access_token(oauth2_response_h handle, char **access_token);
+
+/**
+ * @brief Gets token type.
+ * @since_tizen 2.4
+
+ *
+ * @remarks		You must not free token_type
+ * @param[in] handle The response handle.
+ * @param[out] token_type The token type.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval     #OAUTH2_ERROR_VALUE_NOT_FOUND    Value not found
+ */
+OAUTH2_API int oauth2_response_get_token_type(oauth2_response_h handle, char **token_type);
+
+/**
+ * @brief Gets expiry time.
+ * @since_tizen 2.4
+
+ *
+ * @remarks		You must not free expires_in
+ * @param[in] handle The response handle.
+ * @param[out] expires_in Expiry value.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval     #OAUTH2_ERROR_VALUE_NOT_FOUND    Value not found
+ */
+OAUTH2_API int oauth2_response_get_expires_in(oauth2_response_h handle, long long *expires_in);
+
+/**
+ * @brief Gets refresh token.
+ * @since_tizen 2.4
+
+ *
+ * @remarks		You must not free refresh_token
+ * @param[in] handle The response handle.
+ * @param[out] refresh_token The refresh token.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval     #OAUTH2_ERROR_VALUE_NOT_FOUND    Value not found
+ */
+OAUTH2_API int oauth2_response_get_refresh_token(oauth2_response_h handle, char **refresh_token);
+
+/**
+ * @brief Gets scope.
+ * @since_tizen 2.4
+
+ *
+ * @remarks		You must not free scope
+ * @param[in] handle The response handle.
+ * @param[out] scope The scope.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval     #OAUTH2_ERROR_VALUE_NOT_FOUND    Value not found
+ */
+OAUTH2_API int oauth2_response_get_scope(oauth2_response_h handle, char **scope);
+
+/**
+ * @brief Gets error.
+ * @since_tizen 2.4
+
+ *
+ * @remarks		You must not free error
+ * @param[in] handle The response handle.
+ * @param[out] error The error structure.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval     #OAUTH2_ERROR_VALUE_NOT_FOUND    Value not found
+ *
+ * @see @oauth2_error_h
+ * @since_tizen 2.4
+ */
+OAUTH2_API int oauth2_response_get_error(oauth2_response_h handle, oauth2_error_h *error);
+
+/**
+ * @brief Gets the custom data.
+ * @details Some service providers send additional keys not specified in OAuth 2.0 RFC. To get those additional fields this API needs to be used.
+ * @since_tizen 2.4
+
+ *
+ * @remarks		You must not free custom_value
+ * @param[in] handle The response handle.
+ * @param[in] custom_key The custom key.
+ * @param[out] custom_value The custom value.
+ *
+ * @return     @c 0 on success,
+ *             otherwise a negative error value
+ * @retval     #OAUTH2_ERROR_NONE               Successful
+ * @retval     #OAUTH2_ERROR_OUT_OF_MEMORY      Out of Memory
+ * @retval     #OAUTH2_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval     #OAUTH2_ERROR_VALUE_NOT_FOUND    Value not found
+ */
+OAUTH2_API int oauth2_response_get_custom_data(oauth2_response_h handle, const char *custom_key, char **custom_value);
+
+/* End of OAuth 2.0 APIs */
+/**
+ * @}
+ */
+
+#endif /* OAUTH2_RESPONSE_H_ */
diff --git a/include/oauth2_types.h b/include/oauth2_types.h
new file mode 100755
index 0000000..962769f
--- /dev/null
+++ b/include/oauth2_types.h
@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 2014 - 2015 Samsung Electronics Co., Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#ifndef OAUTH2_TYPES_H_
+#define OAUTH2_TYPES_H_
+
+#include <tizen.h>
+
+/**
+ * @file     oauth2_types.h
+ * @brief    This file defines common types and enums of OAuth 2.0.
+ */
+
+/**
+ * @addtogroup CAPI_OAUTH2_MODULE
+ * @{
+ */
+
+#ifndef OAUTH2_API
+#define OAUTH2_API __attribute__((__visibility__("default")))
+#endif
+
+/**
+ * @brief Enumerations for Client authentication scheme, used to sign client id and client secret accordingly.
+ * @since_tizen 2.4
+ * @remarks Facebook and Google does not support HTTP Basic Authentication, instead they require client credentials to be sent via request body.
+ * Default is OAUTH2_CLIENT_AUTHENTICATION_TYPE_BASIC (http://tools.ietf.org/html/rfc2617#section-2)
+ *
+ * @see oauth2_request_set_client_authentication_type()
+ */
+typedef enum
+{
+	OAUTH2_CLIENT_AUTHENTICATION_TYPE_BASIC,/**< HTTP Basic Authentication for client authentication.**/
+	OAUTH2_CLIENT_AUTHENTICATION_TYPE_DIGEST,/**< HTTP Digest Authentication for client authentication.**/
+	OAUTH2_CLIENT_AUTHENTICATION_TYPE_REQUEST_BODY,/**< Client credentials are sent via request body**/
+}oauth2_client_authentication_type_e;
+
+/**
+ * @brief Enumerations to set grant_type.
+ * @since_tizen 2.4
+ *
+ * @see oauth2_request_set_grant_type()
+ */
+typedef enum
+{
+	OAUTH2_GRANT_TYPE_AUTH_CODE, /**< Access Token Request for Authorization Code Grant type.**/
+	OAUTH2_GRANT_TYPE_PASSWORD, /**< Access Token Request for Resource Owner Password Credentials Grant type.**/
+	OAUTH2_GRANT_TYPE_CLIENT_CREDENTIALS, /**< Access Token Request for Client Credentials Grant type.**/
+	OAUTH2_GRANT_TYPE_REFRESH, /**< Refresh Token Request.**/
+}oauth2_grant_type_e;
+
+/**
+ * @brief Enumerations to set response_type.
+ * @since_tizen 2.4
+ *
+ * @see oauth2_request_set_response_type()
+ */
+typedef enum
+{
+	OAUTH2_RESPONSE_TYPE_CODE,/**< Requesting an authorization code as response type.**/
+	OAUTH2_RESPONSE_TYPE_TOKEN,/**< Requesting an access token(implicit grant) as response type.**/
+}oauth2_response_type_e;
+
+/**
+ *  @brief    Enumerations of error codes for oauth2 APIs.
+ *  @since_tizen  2.4
+ */
+typedef enum
+{
+    OAUTH2_ERROR_NONE                   = TIZEN_ERROR_NONE,                   /**< Successful */
+    OAUTH2_ERROR_OUT_OF_MEMORY             = TIZEN_ERROR_OUT_OF_MEMORY,              /**< Out of memory */
+    OAUTH2_ERROR_INVALID_PARAMETER         = TIZEN_ERROR_INVALID_PARAMETER,        /**< Invalid parameter */
+
+    OAUTH2_ERROR_ALREADY_IN_PROGRESS = TIZEN_ERROR_ALREADY_IN_PROGRESS, /**< Operation already in progress */
+    OAUTH2_ERROR_NOT_SUPPORTED = TIZEN_ERROR_NOT_SUPPORTED, /**< Operation not supported */
+    OAUTH2_ERROR_PERMISSION_DENIED = TIZEN_ERROR_PERMISSION_DENIED, /**< Permission denied */
+    OAUTH2_ERROR_PARSE_FAILED = TIZEN_ERROR_ACCOUNT_OAUTH | 0x01, /**< Response parse failed */
+    OAUTH2_ERROR_NETWORK_ERROR = TIZEN_ERROR_ACCOUNT_OAUTH | 0x02, /**< Network error */
+    OAUTH2_ERROR_SERVER = TIZEN_ERROR_ACCOUNT_OAUTH | 0x03, /**< Server error */
+    OAUTH2_ERROR_USER_CANCELLED = TIZEN_ERROR_ACCOUNT_OAUTH | 0x04, /**< User cancelled the operation  */
+
+    OAUTH2_ERROR_VALUE_NOT_FOUND = TIZEN_ERROR_ACCOUNT_OAUTH | 0x05,	 /**< Value not found */
+    OAUTH2_ERROR_UNKNOWN = TIZEN_ERROR_UNKNOWN /**< Unknown error */
+}oauth2_error_e;
+
+/* End of OAuth 2.0 APIs */
+/**
+ * @}
+ */
+
+#endif /* OAUTH2_TYPES_H_ */
diff --git a/oauth2.manifest b/oauth2.manifest
new file mode 100644
index 0000000..75b0fa5
--- /dev/null
+++ b/oauth2.manifest
@@ -0,0 +1,5 @@
+<manifest>
+    <request>
+        <domain name="_"/>
+    </request>
+</manifest>
diff --git a/oauth2.pc.in b/oauth2.pc.in
new file mode 100755
index 0000000..17e7fef
--- /dev/null
+++ b/oauth2.pc.in
@@ -0,0 +1,13 @@
+# Package Information for pkg-config
+
+prefix=@PREFIX@
+exec_prefix=@EXEC_PREFIX@
+libdir=@LIBDIR@
+includedir=@INCLUDEDIR@
+
+Name: oauth2
+Description: Tizen oauth 2.0 Framework
+Version: @VERSION@
+#Requires: capi-base-common
+Libs: -L${libdir} -loauth2
+Cflags: -I${includedir}
diff --git a/packaging/oauth2.spec b/packaging/oauth2.spec
new file mode 100755
index 0000000..3330847
--- /dev/null
+++ b/packaging/oauth2.spec
@@ -0,0 +1,100 @@
+Name:       oauth2
+Summary:    Tizen oauth 2.0 Framework
+Version:    0.0.3
+Release:    1
+Group:      Social & Content/API
+License:    Apache-2.0
+Source0:    oauth2-%{version}.tar.gz
+
+BuildRequires:  cmake
+BuildRequires:  pkgconfig(dlog)
+BuildRequires:  pkgconfig(bundle)
+BuildRequires:  pkgconfig(capi-base-common)
+BuildRequires:  pkgconfig(capi-system-info)
+BuildRequires:  pkgconfig(security-privilege-checker)
+BuildRequires:  pkgconfig(libcurl)
+BuildRequires:  pkgconfig(efl-extension)
+
+%if "%{?tizen_version}" == "3.0"
+BuildRequires: pkgconfig(chromium-efl)
+%else
+BuildRequires: pkgconfig(ewebkit2)
+%endif
+
+BuildRequires:  pkgconfig(json-glib-1.0)
+BuildRequires:  pkgconfig(elementary)
+
+Requires(post): /sbin/ldconfig
+Requires(postun): /sbin/ldconfig
+
+%description
+Tizen oauth 2.0 Framework
+
+%package devel
+Summary:    Development files for %{name}
+Group:      Development/Libraries
+Requires:   %{name} = %{version}-%{release}
+%description devel
+Development files for %{name}
+
+%prep
+%setup -q
+
+%build
+%if 0%{?sec_build_binary_debug_enable}
+export CFLAGS="$CFLAGS -DTIZEN_DEBUG_ENABLE"
+export CXXFLAGS="$CXXFLAGS -DTIZEN_DEBUG_ENABLE"
+export FFLAGS="$FFLAGS -DTIZEN_DEBUG_ENABLE"
+%endif
+
+export CFLAGS="${CFLAGS} -fPIC -fvisibility=hidden"
+
+%if "%{?tizen_version}" == "3.0"
+_CHROMIUM_EFL="YES"
+%else
+_CHROMIUM_EFL="NO"
+%endif
+
+%if "%{?tizen_profile_name}" == "wearable"
+cmake . \
+-DCMAKE_INSTALL_PREFIX=%{_prefix} \
+-DLIBDIR=%{_libdir} \
+-DINCLUDEDIR=%{_includedir} \
+-DEXCLUDE_EWK_ERR="YES" \
+-DUSE_CHROMIUM_EFL:BOOL=${_CHROMIUM_EFL}
+
+%else
+cmake . \
+-DCMAKE_INSTALL_PREFIX=%{_prefix} \
+-DLIBDIR=%{_libdir} \
+-DINCLUDEDIR=%{_includedir} \
+-DUSE_CHROMIUM_EFL:BOOL=${_CHROMIUM_EFL}
+%endif
+
+make %{?jobs:-j%jobs}
+
+%install
+rm -rf %{buildroot}
+mkdir -p %{buildroot}/usr/share/license
+cp %{_builddir}/%{name}-%{version}/LICENSE.APLv2  %{buildroot}/usr/share/license/%{name}
+%make_install
+
+mkdir -p %{buildroot}%{_libdir}
+
+rm -rf %{buildroot}%{_libdir}/oauth2
+
+%postun -p /sbin/ldconfig
+
+
+%files
+%manifest oauth2.manifest
+%defattr(-,root,root,-)
+/usr/share/license/%{name}
+%{_libdir}/*.so.*
+
+
+%files devel
+%defattr(-,root,root,-)
+%{_libdir}/*.so
+%{_includedir}/*.h
+%{_libdir}/pkgconfig/oauth2.pc
diff --git a/sample/oauth2sample/.cproject b/sample/oauth2sample/.cproject
new file mode 100644
index 0000000..85f9721
--- /dev/null
+++ b/sample/oauth2sample/.cproject
@@ -0,0 +1,496 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<?fileVersion 4.0.0?><cproject storage_type_id="org.eclipse.cdt.core.XmlProjectDescriptionStorage">
+	<storageModule moduleId="org.eclipse.cdt.core.settings">
+		<cconfiguration id="org.tizen.nativecore.config.sbi.gcc45.app.debug.35369740">
+			<storageModule buildSystemId="org.eclipse.cdt.managedbuilder.core.configurationDataProvider" id="org.tizen.nativecore.config.sbi.gcc45.app.debug.35369740" moduleId="org.eclipse.cdt.core.settings" name="Debug">
+				<externalSettings/>
+				<extensions>
+					<extension id="org.eclipse.cdt.core.ELF" point="org.eclipse.cdt.core.BinaryParser"/>
+					<extension id="org.eclipse.cdt.core.GmakeErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+					<extension id="org.eclipse.cdt.core.CWDLocator" point="org.eclipse.cdt.core.ErrorParser"/>
+					<extension id="org.eclipse.cdt.core.MakeErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+					<extension id="org.eclipse.cdt.core.GCCErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+					<extension id="org.eclipse.cdt.core.GASErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+					<extension id="org.eclipse.cdt.core.GLDErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+				</extensions>
+			</storageModule>
+			<storageModule moduleId="cdtBuildSystem" version="4.0.0">
+				<configuration artifactName="oauth2sample" buildArtefactType="org.tizen.nativecore.buildArtefactType.app" buildProperties="org.eclipse.cdt.build.core.buildType=org.eclipse.cdt.build.core.buildType.debug,org.eclipse.cdt.build.core.buildArtefactType=org.tizen.nativecore.buildArtefactType.app" description="" errorParsers="org.eclipse.cdt.core.MakeErrorParser;org.eclipse.cdt.core.GCCErrorParser;" id="org.tizen.nativecore.config.sbi.gcc45.app.debug.35369740" name="Debug" parent="org.tizen.nativecore.config.sbi.gcc45.app.debug">
+					<folderInfo id="org.tizen.nativecore.config.sbi.gcc45.app.debug.35369740." name="/" resourcePath="">
+						<toolChain id="org.tizen.nativecore.toolchain.sbi.gcc45.app.debug.1932355913" name="Tizen Native Toolchain" superClass="org.tizen.nativecore.toolchain.sbi.gcc45.app.debug">
+							<targetPlatform binaryParser="org.eclipse.cdt.core.ELF" id="org.tizen.nativeide.target.sbi.gnu.platform.base.835513167" osList="linux,win32" superClass="org.tizen.nativeide.target.sbi.gnu.platform.base"/>
+							<builder autoBuildTarget="all" buildPath="${workspace_loc:/oauth2sample}/Debug" enableAutoBuild="true" id="org.tizen.nativecore.target.sbi.gnu.builder.1851904286" keepEnvironmentInBuildfile="false" managedBuildOn="true" name="Tizen Application Builder" superClass="org.tizen.nativecore.target.sbi.gnu.builder"/>
+							<tool id="org.tizen.nativecore.tool.sbi.gnu.archiver.575288976" name="Archiver" superClass="org.tizen.nativecore.tool.sbi.gnu.archiver"/>
+							<tool command="clang++" id="org.tizen.nativecore.tool.sbi.gnu.cpp.compiler.9435045" name="C++ Compiler" superClass="org.tizen.nativecore.tool.sbi.gnu.cpp.compiler">
+								<option id="gnu.cpp.compiler.option.optimization.level.1776181162" name="Optimization Level" superClass="gnu.cpp.compiler.option.optimization.level" value="gnu.cpp.compiler.optimization.level.none" valueType="enumerated"/>
+								<option id="sbi.gnu.cpp.compiler.option.debugging.level.core.1985717727" name="Debug level" superClass="sbi.gnu.cpp.compiler.option.debugging.level.core" value="gnu.cpp.compiler.debugging.level.max" valueType="enumerated"/>
+								<option id="sbi.gnu.cpp.compiler.option.1692837965" name="Tizen-Target" superClass="sbi.gnu.cpp.compiler.option" valueType="userObjs">
+									<listOptionValue builtIn="false" value="mobile-2.3-emulator.core_llvm34.i386.core.app"/>
+								</option>
+								<option id="sbi.gnu.cpp.compiler.option.frameworks_inc.core.1937135781" name="Tizen-Frameworks-Include-Path" superClass="sbi.gnu.cpp.compiler.option.frameworks_inc.core" valueType="includePath">
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/libxml2&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SDK_INSTALL_PATH}/library&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/AL&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/appcore-agent&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/appfw&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/base&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/cairo&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/calendar-service2&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/ckm&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/contacts-svc&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/content&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/curl&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/dbus-1.0&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/lib/dbus-1.0/include&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/dlog&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/ecore-1&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/e_dbus-1&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/edje-1&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/eet-1&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/efreet-1&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/eina-1/eina&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/eina-1&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/elementary-1&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/ethumb-1&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/evas-1&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/fontconfig&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/freetype2&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/gio-unix-2.0&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/glib-2.0&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/lib/glib-2.0/include&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/json-glib-1.0&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/json-glib-1.0/json-glib&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/libexif&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/media-content&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/media&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/minizip&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/network&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/notification&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/shortcut&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/storage&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/system&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/ui&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/vconf&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/web&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/EGL&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/badge&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/eio-1&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/email-service&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/embryo-1&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/GLES&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/GLES2&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/KHR&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/messaging&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/msg-service&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/ug-1&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/context-manager&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/telephony&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/telephony-client&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/ewebkit2-0&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/location&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/sensor&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/efl-extension&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/wifi-direct&quot;"/>
+								</option>
+								<option id="sbi.gnu.cpp.compiler.option.frameworks_cflags.core.1834402093" name="Tizen-Frameworks-Other-Cflags" superClass="sbi.gnu.cpp.compiler.option.frameworks_cflags.core" valueType="stringList">
+									<listOptionValue builtIn="false" value="-target i386-tizen-linux-gnueabi -gcc-toolchain ${SDK_INSTALL_PATH}/tools/smart-build-interface/../i386-linux-gnueabi-gcc-4.6/ -ccc-gcc-name i386-linux-gnueabi-g++ -march=i386 -Wno-gnu"/>
+									<listOptionValue builtIn="false" value=""/>
+									<listOptionValue builtIn="false" value=" -fPIE"/>
+									<listOptionValue builtIn="false" value="--sysroot=&quot;${SBI_SYSROOT}&quot;"/>
+								</option>
+								<option id="gnu.cpp.compiler.option.include.paths.1952117363" name="Include paths (-I)" superClass="gnu.cpp.compiler.option.include.paths" valueType="includePath">
+									<listOptionValue builtIn="false" value="&quot;${workspace_loc:/${ProjName}/inc}&quot;"/>
+								</option>
+								<option id="sbi.gnu.cpp.compiler.option.frameworks.core.1109970886" name="Tizen-Frameworks" superClass="sbi.gnu.cpp.compiler.option.frameworks.core" valueType="userObjs">
+									<listOptionValue builtIn="false" value="Native_API"/>
+								</option>
+								<option id="gnu.cpp.compiler.option.preprocessor.def.953940524" name="Defined symbols (-D)" superClass="gnu.cpp.compiler.option.preprocessor.def" valueType="definedSymbols">
+									<listOptionValue builtIn="false" value="_DEBUG"/>
+								</option>
+								<inputType id="cdt.managedbuild.tool.gnu.cpp.compiler.input.1543660824" superClass="cdt.managedbuild.tool.gnu.cpp.compiler.input"/>
+							</tool>
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+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/msg-service&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/ug-1&quot;"/>
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+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/wifi-direct&quot;"/>
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+								<option id="sbi.gnu.c.compiler.option.debugging.level.core.2954587" name="Debug level" superClass="sbi.gnu.c.compiler.option.debugging.level.core"/>
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+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/ckm&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/contacts-svc&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/content&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/curl&quot;"/>
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+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/ecore-1&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/e_dbus-1&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/edje-1&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/eet-1&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/efreet-1&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/eina-1/eina&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/eina-1&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/elementary-1&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/ethumb-1&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/evas-1&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/fontconfig&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/freetype2&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/gio-unix-2.0&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/glib-2.0&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/lib/glib-2.0/include&quot;"/>
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+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/media-content&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/media&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/minizip&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/network&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/notification&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/shortcut&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/storage&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/system&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/ui&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/vconf&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/web&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/EGL&quot;"/>
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+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/GLES&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/GLES2&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/KHR&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/messaging&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/msg-service&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/ug-1&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/context-manager&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/telephony&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/telephony-client&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/ewebkit2-0&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/location&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/sensor&quot;"/>
+									<listOptionValue builtIn="false" value="&quot;${SBI_SYSROOT}/usr/include/efl-extension&quot;"/>
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+							<tool command="clang++" id="org.tizen.nativecore.tool.sbi.gnu.cpp.linker.672988585" name="C++ Linker" superClass="org.tizen.nativecore.tool.sbi.gnu.cpp.linker">
+								<option id="sbi.gnu.cpp.linker.option.frameworks_lflags.core.850721168" name="Tizen-Frameworks-Other-Lflags" superClass="sbi.gnu.cpp.linker.option.frameworks_lflags.core" valueType="stringList">
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+							<tool id="org.tizen.nativecore.tool.ast.660536664" name="C Static Analyzer" superClass="org.tizen.nativecore.tool.ast"/>
+							<tool id="org.tizen.nativecore.tool.ast.cpp.185952367" name="C++ Static Analyzer" superClass="org.tizen.nativecore.tool.ast.cpp"/>
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+					</folderInfo>
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+						<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="src"/>
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+				</configuration>
+			</storageModule>
+			<storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
+		</cconfiguration>
+	</storageModule>
+	<storageModule moduleId="cdtBuildSystem" version="4.0.0">
+		<project id="oauth2sample.org.tizen.nativecore.target.sbi.gcc45.app.271959664" name="Tizen Native Application" projectType="org.tizen.nativecore.target.sbi.gcc45.app"/>
+	</storageModule>
+	<storageModule moduleId="scannerConfiguration">
+		<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
+		<scannerConfigBuildInfo instanceId="org.tizen.nativecore.config.sbi.gcc45.app.debug.35369740">
+			<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
+		</scannerConfigBuildInfo>
+		<scannerConfigBuildInfo instanceId="org.tizen.nativecore.config.sbi.gcc45.app.release.1192989987">
+			<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
+		</scannerConfigBuildInfo>
+	</storageModule>
+	<storageModule moduleId="org.eclipse.cdt.core.LanguageSettingsProviders"/>
+	<storageModule moduleId="com.samsung.tizen.nativeapp.projectInfo" version="1.0.0"/>
+	<storageModule moduleId="refreshScope"/>
+</cproject>
diff --git a/sample/oauth2sample/.exportMap b/sample/oauth2sample/.exportMap
new file mode 100644
index 0000000..43e310e
--- /dev/null
+++ b/sample/oauth2sample/.exportMap
@@ -0,0 +1,4 @@
+{
+	global: main;
+	local: *;
+};
diff --git a/sample/oauth2sample/.gitignore b/sample/oauth2sample/.gitignore
new file mode 100644
index 0000000..65fa71e
--- /dev/null
+++ b/sample/oauth2sample/.gitignore
@@ -0,0 +1,2 @@
+/Debug
+/SA_Report
diff --git a/sample/oauth2sample/.project b/sample/oauth2sample/.project
new file mode 100644
index 0000000..23daa08
--- /dev/null
+++ b/sample/oauth2sample/.project
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>oauth2sample</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
+			<triggers>full,incremental,</triggers>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.tizen.nativecore.apichecker.core.builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.cdt.core.cnature</nature>
+		<nature>org.eclipse.cdt.core.ccnature</nature>
+		<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
+		<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
+		<nature>org.tizen.nativecore.apichecker.core.tizenCppNature</nature>
+	</natures>
+	<filteredResources>
+		<filter>
+			<id>1419424840036</id>
+			<name></name>
+			<type>26</type>
+			<matcher>
+				<id>org.eclipse.ui.ide.multiFilter</id>
+				<arguments>1.0-projectRelativePath-matches-false-false-*/.tpk</arguments>
+			</matcher>
+		</filter>
+	</filteredResources>
+</projectDescription>
diff --git a/sample/oauth2sample/.rds_delta b/sample/oauth2sample/.rds_delta
new file mode 100644
index 0000000..72a760a
--- /dev/null
+++ b/sample/oauth2sample/.rds_delta
@@ -0,0 +1,6 @@
+#delete
+#add
+#modify
+author-signature.xml
+signature1.xml
+bin/oauth2sample
diff --git a/sample/oauth2sample/.sdk_delta.info b/sample/oauth2sample/.sdk_delta.info
new file mode 100644
index 0000000..8231060
--- /dev/null
+++ b/sample/oauth2sample/.sdk_delta.info
diff --git a/sample/oauth2sample/.sign/.manifest.tmp b/sample/oauth2sample/.sign/.manifest.tmp
new file mode 100644
index 0000000..4b35ba8
--- /dev/null
+++ b/sample/oauth2sample/.sign/.manifest.tmp
@@ -0,0 +1,6 @@
+res/images/grid_image/1_raw.png__DEL__IJNLOq/2eGlWpHGmr+9Mr8bWDbnm0RohlK0cMHO8jZU=
+res/images/iu.png__DEL__iLwO5Bzet3XJ6+hLP5KGoIsFcgDFFICC19Pk+JGz4is=
+res/ui_controls.edj__DEL__P5tTRH+wMgYOHC4QcTJeBfVUjJNtIkZRJL9uAJsDt5o=
+tizen-manifest.xml__DEL__REZ9bAErUlTAZTGWvFzxO+T0YAz2d/T684MIZ/1Ck04=
+author-signature.xml__DEL__ybL4oH6K7BJTbQoOvIrx95Gw08Y4oRY5rnLe5SDS0Pg=
+bin/oauth2sample__DEL__xp2KvMkshUwa7Z6YfIHytYMTIoouW3csKkKojalMoKM=
diff --git a/sample/oauth2sample/.sign/author-signature.xml b/sample/oauth2sample/.sign/author-signature.xml
new file mode 100644
index 0000000..1f27ebb
--- /dev/null
+++ b/sample/oauth2sample/.sign/author-signature.xml
@@ -0,0 +1,74 @@
+<Signature xmlns="http://www.w3.org/2000/09/xmldsig#" Id="AuthorSignature">
+<SignedInfo>
+<CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"></CanonicalizationMethod>
+<SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"></SignatureMethod>
+<Reference URI="bin%2Foauth2sample">
+<DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
+<DigestValue>xp2KvMkshUwa7Z6YfIHytYMTIoouW3csKkKojalMoKM=</DigestValue>
+</Reference>
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+<DigestValue>IJNLOq/2eGlWpHGmr+9Mr8bWDbnm0RohlK0cMHO8jZU=</DigestValue>
+</Reference>
+<Reference URI="res%2Fimages%2Fiu.png">
+<DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
+<DigestValue>iLwO5Bzet3XJ6+hLP5KGoIsFcgDFFICC19Pk+JGz4is=</DigestValue>
+</Reference>
+<Reference URI="res%2Fui_controls.edj">
+<DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
+<DigestValue>P5tTRH+wMgYOHC4QcTJeBfVUjJNtIkZRJL9uAJsDt5o=</DigestValue>
+</Reference>
+<Reference URI="tizen-manifest.xml">
+<DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
+<DigestValue>REZ9bAErUlTAZTGWvFzxO+T0YAz2d/T684MIZ/1Ck04=</DigestValue>
+</Reference>
+<Reference URI="#prop">
+<Transforms>
+<Transform Algorithm="http://www.w3.org/2006/12/xml-c14n11"></Transform>
+</Transforms>
+<DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
+<DigestValue>lpo8tUDs054eLlBQXiDPVDVKfw30ZZdtkRs1jd7H5K8=</DigestValue>
+</Reference>
+</SignedInfo>
+<SignatureValue>
+dbKvWD7AESvXzx7kK3JI6yDhpf/61w/toG9DCqXWHdZImK2wRp81tlDrlprVGe73hs7gSwS+el00
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+3w7H25JBNCeo4o+AOFo=
+</SignatureValue>
+<KeyInfo>
+<X509Data>
+<X509Certificate>
+MIIClTCCAX2gAwIBAgIGAUrO5j0CMA0GCSqGSIb3DQEBBQUAMFYxGjAYBgNVBAoMEVRpemVuIEFz
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+h/JUFHFYkuqOc6/dlrj5RcB2WpdqqExdLSqNvf9ROxyoFX+RjBmvhZtKli4dp7MCAwEAAaMyMDAw
+DAYDVR0TAQH/BAIwADALBgNVHQ8EBAMCB4AwEwYDVR0lBAwwCgYIKwYBBQUHAwMwDQYJKoZIhvcN
+AQEFBQADggEBAAQnep8Zk5FnQQEedDrsaqFvUgqOg22RToG/4wFJophVKDYiT2sA3kTfq2yR5nWB
+EgspvIkM6y9q+eNmMxGvP7JL4nbPqFdN66UXxfd09AtFj4oWiYU2sy8Hv4DbHYa2EsHXlfyICWZw
+M6OHDIVYVZiVAmkYDPnCWlZ/fpbHHPjhi7LeFgKKFA36DGnMxeB5O3B4WKzPBg+EDizQD7IKXvQj
+gIlhQ468Jy5HCgNfz8OERTeYU1YjrBgcwz69gClCbdd38mYIFf6EN7yCwAGwabsGa5olU6lCY8HT
+D2w0LCkiUJe0lOKN0xyPTxvcm3HNitF+v8ibRNIfQrQaETEClSk=
+</X509Certificate>
+<X509Certificate>
+MIIDOTCCAiGgAwIBAgIBATANBgkqhkiG9w0BAQUFADBYMRowGAYDVQQKDBFUaXplbiBBc3NvY2lh
+dGlvbjEaMBgGA1UECwwRVGl6ZW4gQXNzb2NpYXRpb24xHjAcBgNVBAMMFVRpemVuIERldmVsb3Bl
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+PCz8Sxut6z6HNkF4oDIuzuKaMzRYPeWodwe9O0gmqAkToQHfwg2giRhE5GoPld0fq+OYMMwSasCu
+g8dwODx1eDeSYVuOLWRxpAmbTXOsSFi6VoWeyaPEm18JBHvZBsU5YQtgZ6Kp7MqzvQg3pXOxtajj
+vyHxiatJl+xXrHgcXC1wgyG3buty7u/Fi2mvKXJ0PRJcCjjK81dqe/Vr20sRUCrbk02zbm5ggFt/
+jIEhV8wbFRQpliobc7J4dSTKhFfrqGM8rdd54LYhD7gSI1CFSe16pUXfcVR7FhJztRaiGLnCrwBE
+dyTZ248+D4L/qR/D0axb3jcCAwEAAaMQMA4wDAYDVR0TBAUwAwEB/zANBgkqhkiG9w0BAQUFAAOC
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+95RxjopMWCVedXDUbWdvS2+CdyvVW/quT2E0tjqIzXDekUTYwwhlPWlGxvfj3VsxqSFq3p8Brl04
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++OBAOMdZMPK32uJBTeKFx1xZgTLIhk45V0hPOomPjZloiv0LSS11eyd451ufjW0iHRE7WlpR6EvI
+W6TFyZgMpQq+kg4hWl2SBTf3s2VI8Ygz7gj8TMlClg==
+</X509Certificate>
+</X509Data>
+</KeyInfo>
+<Object Id="prop"><SignatureProperties xmlns:dsp="http://www.w3.org/2009/xmldsig-properties"><SignatureProperty Id="profile" Target="#AuthorSignature"><dsp:Profile URI="http://www.w3.org/ns/widgets-digsig#profile"></dsp:Profile></SignatureProperty><SignatureProperty Id="role" Target="#AuthorSignature"><dsp:Role URI="http://www.w3.org/ns/widgets-digsig#role-author"></dsp:Role></SignatureProperty><SignatureProperty Id="identifier" Target="#AuthorSignature"><dsp:Identifier></dsp:Identifier></SignatureProperty></SignatureProperties></Object>
+</Signature>
\ No newline at end of file
diff --git a/sample/oauth2sample/.sign/signature1.xml b/sample/oauth2sample/.sign/signature1.xml
new file mode 100644
index 0000000..c24a51b
--- /dev/null
+++ b/sample/oauth2sample/.sign/signature1.xml
@@ -0,0 +1,76 @@
+<Signature xmlns="http://www.w3.org/2000/09/xmldsig#" Id="DistributorSignature">
+<SignedInfo>
+<CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"></CanonicalizationMethod>
+<SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"></SignatureMethod>
+<Reference URI="author-signature.xml">
+<DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
+<DigestValue>ybL4oH6K7BJTbQoOvIrx95Gw08Y4oRY5rnLe5SDS0Pg=</DigestValue>
+</Reference>
+<Reference URI="bin%2Foauth2sample">
+<DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
+<DigestValue>xp2KvMkshUwa7Z6YfIHytYMTIoouW3csKkKojalMoKM=</DigestValue>
+</Reference>
+<Reference URI="res%2Fimages%2Fgrid_image%2F1_raw.png">
+<DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
+<DigestValue>IJNLOq/2eGlWpHGmr+9Mr8bWDbnm0RohlK0cMHO8jZU=</DigestValue>
+</Reference>
+<Reference URI="res%2Fimages%2Fiu.png">
+<DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
+<DigestValue>iLwO5Bzet3XJ6+hLP5KGoIsFcgDFFICC19Pk+JGz4is=</DigestValue>
+</Reference>
+<Reference URI="res%2Fui_controls.edj">
+<DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
+<DigestValue>P5tTRH+wMgYOHC4QcTJeBfVUjJNtIkZRJL9uAJsDt5o=</DigestValue>
+</Reference>
+<Reference URI="tizen-manifest.xml">
+<DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
+<DigestValue>REZ9bAErUlTAZTGWvFzxO+T0YAz2d/T684MIZ/1Ck04=</DigestValue>
+</Reference>
+<Reference URI="#prop">
+<Transforms>
+<Transform Algorithm="http://www.w3.org/2006/12/xml-c14n11"></Transform>
+</Transforms>
+<DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></DigestMethod>
+<DigestValue>u/jU3U4Zm5ihTMSjKGlGYbWzDfRkGphPPHx3gJIYEJ4=</DigestValue>
+</Reference>
+</SignedInfo>
+<SignatureValue>
+ZKdD+UmX507rvD/ESshJj/4ULhik0d9822DPXsubv15lUmZsq9NgHz2pctbxs9qP2DJlfUB2GyoX
+zmSDnD3rO9Woui/nZUop8vhtgqcTfrVkmSPeJxWIWRWyj4opTiJmJoyTP5x3/aDgqdPag5pPrv94
+aUDFngoHB/JxAOxxkCA=
+</SignatureValue>
+<KeyInfo>
+<X509Data>
+<X509Certificate>
+MIICmzCCAgQCCQDXI7WLdVZwiTANBgkqhkiG9w0BAQUFADCBjzELMAkGA1UEBhMCS1IxDjAMBgNV
+BAgMBVN1d29uMQ4wDAYDVQQHDAVTdXdvbjEWMBQGA1UECgwNVGl6ZW4gVGVzdCBDQTEiMCAGA1UE
+CwwZVGl6ZW4gRGlzdHJpYnV0b3IgVGVzdCBDQTEkMCIGA1UEAwwbVGl6ZW4gUHVibGljIERpc3Ry
+aWJ1dG9yIENBMB4XDTEyMTAyOTEzMDMwNFoXDTIyMTAyNzEzMDMwNFowgZMxCzAJBgNVBAYTAktS
+MQ4wDAYDVQQIDAVTdXdvbjEOMAwGA1UEBwwFU3V3b24xFjAUBgNVBAoMDVRpemVuIFRlc3QgQ0Ex
+IjAgBgNVBAsMGVRpemVuIERpc3RyaWJ1dG9yIFRlc3QgQ0ExKDAmBgNVBAMMH1RpemVuIFB1Ymxp
+YyBEaXN0cmlidXRvciBTaWduZXIwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBALtMvlc5hENK
+90ZdA+y66+Sy0enD1gpZDBh5T9RP0oRsptJv5jjNTseQbQi0SZOdOXb6J7iQdlBCtR343RpIEz8H
+mrBy7mSY7mgwoU4EPpp4CTSUeAuKcmvrNOngTp5Hv7Ngf02TTHOLK3hZLpGayaDviyNZB5PdqQdB
+hokKjzAzAgMBAAEwDQYJKoZIhvcNAQEFBQADgYEAvGp1gxxAIlFfhJH1efjb9BJK/rtRkbYn9+Ez
+GEbEULg1svsgnyWisFimI3uFvgI/swzr1eKVY3Sc8MQ3+Fdy3EkbDZ2+WAubhcEkorTWjzWz2fL1
+vKaYjeIsuEX6TVRUugHWudPzcEuQRLQf8ibZWjbQdBmpeQYBMg5x+xKLCJc=
+</X509Certificate>
+<X509Certificate>
+MIICtDCCAh2gAwIBAgIJAMDbehElPNKvMA0GCSqGSIb3DQEBBQUAMIGVMQswCQYDVQQGEwJLUjEO
+MAwGA1UECAwFU3V3b24xDjAMBgNVBAcMBVN1d29uMRYwFAYDVQQKDA1UaXplbiBUZXN0IENBMSMw
+IQYDVQQLDBpUVGl6ZW4gRGlzdHJpYnV0b3IgVGVzdCBDQTEpMCcGA1UEAwwgVGl6ZW4gUHVibGlj
+IERpc3RyaWJ1dG9yIFJvb3QgQ0EwHhcNMTIxMDI5MTMwMjUwWhcNMjIxMDI3MTMwMjUwWjCBjzEL
+MAkGA1UEBhMCS1IxDjAMBgNVBAgMBVN1d29uMQ4wDAYDVQQHDAVTdXdvbjEWMBQGA1UECgwNVGl6
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+VGl6ZW4gUHVibGljIERpc3RyaWJ1dG9yIENBMIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDe
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+2AgnCGlwNwV/pv+uVQIDAQABoxAwDjAMBgNVHRMEBTADAQH/MA0GCSqGSIb3DQEBBQUAA4GBACqJ
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+yc3qckGm19dW+4xdlkekon7pViEBWuyHw8OWv3RXtTum1+PGHjBJ2eYY4ZKIpz73U/1NC16sTB/0
+VhfnkHwPltmrpYVe
+</X509Certificate>
+</X509Data>
+</KeyInfo>
+<Object Id="prop"><SignatureProperties xmlns:dsp="http://www.w3.org/2009/xmldsig-properties"><SignatureProperty Id="profile" Target="#DistributorSignature"><dsp:Profile URI="http://www.w3.org/ns/widgets-digsig#profile"></dsp:Profile></SignatureProperty><SignatureProperty Id="role" Target="#DistributorSignature"><dsp:Role URI="http://www.w3.org/ns/widgets-digsig#role-distributor"></dsp:Role></SignatureProperty><SignatureProperty Id="identifier" Target="#DistributorSignature"><dsp:Identifier></dsp:Identifier></SignatureProperty></SignatureProperties></Object>
+</Signature>
\ No newline at end of file
diff --git a/sample/oauth2sample/.tproject b/sample/oauth2sample/.tproject
new file mode 100644
index 0000000..f1cc1fd
--- /dev/null
+++ b/sample/oauth2sample/.tproject
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<tproject xmlns="http://www.tizen.org/tproject">
+    <platforms>
+        <platform>
+            <name>mobile-2.3</name>
+        </platform>
+    </platforms>
+    <package>
+        <blacklist/>
+    </package>
+</tproject>
diff --git a/sample/oauth2sample/README b/sample/oauth2sample/README
new file mode 100644
index 0000000..574c6d3
--- /dev/null
+++ b/sample/oauth2sample/README
@@ -0,0 +1,26 @@
+
+
+Instruction to use OAuth 2.0 Sample application.
+
+1. On launching the application you get a list of several service providers.
+
+2. The service providers along with the different type of autherization grant are provided.
+
+3. To get the access token, example for google access token, click on the Google button,
+	You have to enter ur gmail credentials and it will response you with
+	access token, refresh token and token expering time in a pop up.
+	
+4. For implicit grant autherization(Facebook), after we enter the 
+	credentials we get acess token and expire time in response.
+
+5. For client cretential autherization grant(Twitter) we directly get 
+	the acess token using the predefined client id and secret.
+
+6. For password autherization grant(Salesforce) we directly get the 
+	acess token using the predefined client id and secret.
+
+7. In any time during the autherization process(code, implicit),
+	we can come back to main page using the hardware back button or the 
+	cancel key and the appropriate reponse will be shown in the pop up.
+
+8. There is a button added in the list to clear all the cache and cookie data.
diff --git a/sample/oauth2sample/edc_resource/button.edc b/sample/oauth2sample/edc_resource/button.edc
new file mode 100644
index 0000000..2da3bfa
--- /dev/null
+++ b/sample/oauth2sample/edc_resource/button.edc
@@ -0,0 +1,347 @@
+/*
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ */
+
+#define BUTTON_PADDING_WIDTH 170
+#define BUTTON_PADDING_HEIGHT 22
+
+group { name: "button_layout";
+   parts {
+      part { name: "top_padding";
+         type: SPACER;
+         scale: 1;
+         description { state: "default" 0.0;
+            min: BUTTON_PADDING_WIDTH BUTTON_PADDING_HEIGHT;
+            fixed: 0 1;
+            rel2.relative: 1.0 0.0;
+            align: 0 0;
+         }
+      }
+      part { name: "btn_expand_opened";
+         type: SWALLOW;
+         scale: 1;
+         description { state: "default" 0.0;
+            fixed: 1 1;
+            align: 0.5 0;
+            rel1 {
+               relative: 0.5 1.0;
+               to_y: "top_padding";
+            }
+            rel2 {
+               relative: 0.5 1.0;
+               to_y: "top_padding";
+            }
+         }
+      }
+      part { name: "btn_expand_opened_bottom_padding";
+         type: SPACER;
+         scale: 1;
+         description { state: "default" 0.0;
+            min: BUTTON_PADDING_WIDTH BUTTON_PADDING_HEIGHT;
+            max: BUTTON_PADDING_WIDTH BUTTON_PADDING_HEIGHT;
+            fixed: 1 1;
+            align: 0.5 0;
+            rel1 {
+               relative: 0.0 1.0;
+               to_y: "btn_expand_opened";
+            }
+            rel2.to_y: "btn_expand_opened";
+         }
+      }
+      part { name: "btn_expand_closed";
+         type: SWALLOW;
+         scale: 1;
+         description { state: "default" 0.0;
+            fixed: 1 1;
+            align: 0.5 0;
+            rel1 {
+               relative: 0.5 1.0;
+               to_y: "btn_expand_opened_bottom_padding";
+            }
+            rel2 {
+               relative: 0.5 1.0;
+               to_y: "btn_expand_opened_bottom_padding";
+            }
+         }
+      }
+      part { name: "btn_expand_closed_bottom_padding";
+         type: SPACER;
+         scale: 1;
+         description { state: "default" 0.0;
+            min: BUTTON_PADDING_WIDTH BUTTON_PADDING_HEIGHT;
+            max: BUTTON_PADDING_WIDTH BUTTON_PADDING_HEIGHT;
+            fixed: 1 1;
+            align: 0.5 0;
+            rel1 {
+               relative: 0 1.0;
+               to_y: "btn_expand_closed";
+            }
+            rel2.to_y: "btn_expand_closed";
+         }
+      }
+      part { name: "btn_reorder";
+         type: SWALLOW;
+         scale: 1;
+         description { state: "default" 0.0;
+            fixed: 1 1;
+            align: 0.5 0;
+            rel1 {
+               relative: 0.5 1.0;
+               to_y: "btn_expand_closed_bottom_padding";
+            }
+            rel2 {
+               relative: 0.5 1.0;
+               to_y: "btn_expand_closed_bottom_padding";
+            }
+         }
+      }
+      part { name: "btn_reorder_bottom_padding";
+         type: SPACER;
+         scale: 1;
+         description { state: "default" 0.0;
+            min: BUTTON_PADDING_WIDTH BUTTON_PADDING_HEIGHT;
+            max: BUTTON_PADDING_WIDTH BUTTON_PADDING_HEIGHT;
+            fixed: 1 1;
+            align: 0.5 0;
+            rel1 {
+               relative: 0.0 1.0;
+               to_y: "btn_reorder";
+            }
+            rel2.to_y: "btn_reorder";
+         }
+      }
+      part { name: "btn_expand_add";
+         type: SWALLOW;
+         scale: 1;
+         description { state: "default" 0.0;
+            fixed: 1 1;
+            align: 0.5 0;
+            rel1 {
+               relative: 0.5 1.0;
+               to_y: "btn_reorder_bottom_padding";
+            }
+            rel2 {
+               relative: 0.5 1.0;
+               to_y: "btn_reorder_bottom_padding";
+            }
+         }
+      }
+      part { name: "btn_expand_add_bottom_padding";
+         type: SPACER;
+         scale: 1;
+         description { state: "default" 0.0;
+            min: BUTTON_PADDING_WIDTH BUTTON_PADDING_HEIGHT;
+            max: BUTTON_PADDING_WIDTH BUTTON_PADDING_HEIGHT;
+            fixed: 1 1;
+            align: 0.5 0;
+            rel1 {
+               relative: 0.0 1.0;
+               to_y: "btn_expand_add";
+            }
+            rel2.to_y: "btn_expand_add";
+         }
+      }
+      part { name: "btn_expand_delete";
+         type: SWALLOW;
+         scale: 1;
+         description { state: "default" 0.0;
+            fixed: 1 1;
+            align: 0.5 0;
+            rel1 {
+               relative: 0.5 1.0;
+               to_y: "btn_expand_add_bottom_padding";
+            }
+            rel2 {
+               relative: 0.5 1.0;
+               to_y: "btn_expand_add_bottom_padding";
+            }
+         }
+      }
+      part { name: "btn_expand_delete_bottom_padding";
+         type: SPACER;
+         scale: 1;
+         description { state: "default" 0.0;
+            min: BUTTON_PADDING_WIDTH BUTTON_PADDING_HEIGHT;
+            max: BUTTON_PADDING_WIDTH BUTTON_PADDING_HEIGHT;
+            fixed: 1 1;
+            align: 0.5 0;
+            rel1 {
+               relative: 0.0 1.0;
+               to_y: "btn_expand_delete";
+            }
+            rel2.to_y: "btn_expand_delete";
+         }
+      }
+      part { name: "btn_default";
+         type: SWALLOW;
+         scale: 1;
+         description { state: "default" 0.0;
+            fixed: 1 1;
+            align: 0.5 0;
+            rel1 {
+               relative: 0.5 1.0;
+               to_y: "btn_expand_delete_bottom_padding";
+            }
+            rel2 {
+               relative: 0.5 1.0;
+               to_y: "btn_expand_delete_bottom_padding";
+            }
+         }
+      }
+      part { name: "btn_default_bottom_padding";
+         type: SPACER;
+         scale: 1;
+         description { state: "default" 0.0;
+            min: BUTTON_PADDING_WIDTH BUTTON_PADDING_HEIGHT;
+            max: BUTTON_PADDING_WIDTH BUTTON_PADDING_HEIGHT;
+            fixed: 1 1;
+            align: 0.5 0;
+            rel1 {
+               relative: 0.0 1.0;
+               to_y: "btn_default";
+            }
+            rel2.to_y: "btn_default";
+         }
+      }
+      part { name: "btn_circle";
+         type: SWALLOW;
+         scale: 1;
+         description { state: "default" 0.0;
+            fixed: 1 1;
+            align: 0.5 0;
+            rel1 {
+               relative: 0.5 1.0;
+               to_y: "btn_default_bottom_padding";
+            }
+            rel2 {
+               relative: 0.5 1.0;
+               to_y: "btn_default_bottom_padding";
+            }
+         }
+      }
+      part { name: "btn_circle_bottom_padding";
+         type: SPACER;
+         scale: 1;
+         description { state: "default" 0.0;
+            min: BUTTON_PADDING_WIDTH BUTTON_PADDING_HEIGHT;
+            max: BUTTON_PADDING_WIDTH BUTTON_PADDING_HEIGHT;
+            fixed: 1 1;
+            align: 0.5 0;
+            rel1 {
+               relative: 0.0 1.0;
+               to_y: "btn_circle";
+            }
+            rel2.to_y: "btn_circle";
+         }
+      }
+      part { name: "btn_bottom";
+         type: SWALLOW;
+         scale: 1;
+         description { state: "default" 0.0;
+            fixed: 1 1;
+            state: "default" 0.0;
+            align: 0.5 0;
+            rel1 {
+               relative: 0.5 1.0;
+               to_y: "btn_circle_bottom_padding";
+            }
+            rel2 {
+               relative: 0.5 1.0;
+               to_y: "btn_circle_bottom_padding";
+            }
+         }
+      }
+      part { name: "btn_bottom_padding";
+         type: SPACER;
+         scale: 1;
+         description { state: "default" 0.0;
+            min: BUTTON_PADDING_WIDTH BUTTON_PADDING_HEIGHT;
+            max: BUTTON_PADDING_WIDTH BUTTON_PADDING_HEIGHT;
+            fixed: 1 1;
+            align: 0.5 0;
+            rel1 {
+               relative: 0.0 1.0;
+               to_y: "btn_bottom";
+            }
+            rel2.to_y: "btn_bottom";
+         }
+      }
+      part { name: "btn_circle_text";
+         type: SWALLOW;
+         scale: 1;
+         description { state: "default" 0.0;
+            fixed: 1 1;
+            state: "default" 0.0;
+            align: 0.5 0;
+            rel1 {
+               relative: 0.5 1.0;
+               to_y: "btn_bottom_padding";
+            }
+            rel2 {
+               relative: 0.5 1.0;
+               to_y: "btn_bottom_padding";
+            }
+         }
+      }
+      part { name: "btn_circle_text_padding";
+         type: SPACER;
+         scale: 1;
+         description { state: "default" 0.0;
+            min: BUTTON_PADDING_WIDTH BUTTON_PADDING_HEIGHT;
+            max: BUTTON_PADDING_WIDTH BUTTON_PADDING_HEIGHT;
+            fixed: 1 1;
+            align: 0.5 0;
+            rel1 {
+               relative: 0.0 1.0;
+               to_y: "btn_circle_text";
+            }
+            rel2.to_y: "btn_circle_text";
+         }
+      }
+      part { name: "btn_contacts";
+         type: SWALLOW;
+         scale: 1;
+         description { state: "default" 0.0;
+            fixed: 1 1;
+            state: "default" 0.0;
+            align: 0.5 0;
+            rel1 {
+               relative: 0.5 1.0;
+               to_y: "btn_circle_text_padding";
+            }
+            rel2 {
+               relative: 0.5 1.0;
+               to_y: "btn_circle_text_padding";
+            }
+         }
+      }
+      part { name: "bottom_padding";
+         type: SPACER;
+         scale: 1;
+         description { state: "default" 0.0;
+            min: 0 BUTTON_PADDING_HEIGHT;
+            align: 0.5 1.0;
+            rel1 {
+               relative: 0.0 1.0;
+               to_y: "btn_contacts";
+            }
+         }
+      }
+   }
+}
+
+#undef BUTTON_PADDING_WIDTH
+#undef BUTTON_PADDING_HEIGHT
diff --git a/sample/oauth2sample/edje/images/00_controlbar_icon_artists.png b/sample/oauth2sample/edje/images/00_controlbar_icon_artists.png
new file mode 100644
index 0000000..85dd55c
--- /dev/null
+++ b/sample/oauth2sample/edje/images/00_controlbar_icon_artists.png
diff --git a/sample/oauth2sample/edje/images/00_controlbar_icon_dialer.png b/sample/oauth2sample/edje/images/00_controlbar_icon_dialer.png
new file mode 100644
index 0000000..5dbb9fe
--- /dev/null
+++ b/sample/oauth2sample/edje/images/00_controlbar_icon_dialer.png
diff --git a/sample/oauth2sample/edje/images/00_controlbar_icon_favorites.png b/sample/oauth2sample/edje/images/00_controlbar_icon_favorites.png
new file mode 100644
index 0000000..663b6fa
--- /dev/null
+++ b/sample/oauth2sample/edje/images/00_controlbar_icon_favorites.png
diff --git a/sample/oauth2sample/edje/images/00_controlbar_icon_playlist.png b/sample/oauth2sample/edje/images/00_controlbar_icon_playlist.png
new file mode 100644
index 0000000..cb77f2b
--- /dev/null
+++ b/sample/oauth2sample/edje/images/00_controlbar_icon_playlist.png
diff --git a/sample/oauth2sample/edje/images/00_controlbar_icon_songs.png b/sample/oauth2sample/edje/images/00_controlbar_icon_songs.png
new file mode 100644
index 0000000..b47daf3
--- /dev/null
+++ b/sample/oauth2sample/edje/images/00_controlbar_icon_songs.png
diff --git a/sample/oauth2sample/edje/images/core_button_add.png b/sample/oauth2sample/edje/images/core_button_add.png
new file mode 100644
index 0000000..d2b5db5
--- /dev/null
+++ b/sample/oauth2sample/edje/images/core_button_add.png
diff --git a/sample/oauth2sample/edje/images/core_button_delete.png b/sample/oauth2sample/edje/images/core_button_delete.png
new file mode 100644
index 0000000..37d3e5f
--- /dev/null
+++ b/sample/oauth2sample/edje/images/core_button_delete.png
diff --git a/sample/oauth2sample/edje/images/core_color_picker_palette.png b/sample/oauth2sample/edje/images/core_color_picker_palette.png
new file mode 100644
index 0000000..497cc75
--- /dev/null
+++ b/sample/oauth2sample/edje/images/core_color_picker_palette.png
diff --git a/sample/oauth2sample/edje/images/core_icon_brightness.png b/sample/oauth2sample/edje/images/core_icon_brightness.png
new file mode 100644
index 0000000..f7dfb29
--- /dev/null
+++ b/sample/oauth2sample/edje/images/core_icon_brightness.png
diff --git a/sample/oauth2sample/edje/images/grid_image/1_raw.jpg b/sample/oauth2sample/edje/images/grid_image/1_raw.jpg
new file mode 100644
index 0000000..94deef3
--- /dev/null
+++ b/sample/oauth2sample/edje/images/grid_image/1_raw.jpg
diff --git a/sample/oauth2sample/edje/images/grid_image/2_raw.jpg b/sample/oauth2sample/edje/images/grid_image/2_raw.jpg
new file mode 100644
index 0000000..3438b54
--- /dev/null
+++ b/sample/oauth2sample/edje/images/grid_image/2_raw.jpg
diff --git a/sample/oauth2sample/edje/images/horz_scrollbar.jpg b/sample/oauth2sample/edje/images/horz_scrollbar.jpg
new file mode 100644
index 0000000..ab27b96
--- /dev/null
+++ b/sample/oauth2sample/edje/images/horz_scrollbar.jpg
diff --git a/sample/oauth2sample/edje/images/iu.jpg b/sample/oauth2sample/edje/images/iu.jpg
new file mode 100644
index 0000000..38586e9
--- /dev/null
+++ b/sample/oauth2sample/edje/images/iu.jpg
diff --git a/sample/oauth2sample/edje/images/logo.png b/sample/oauth2sample/edje/images/logo.png
new file mode 100644
index 0000000..f7f7b2d
--- /dev/null
+++ b/sample/oauth2sample/edje/images/logo.png
diff --git a/sample/oauth2sample/inc/main.h b/sample/oauth2sample/inc/main.h
new file mode 100644
index 0000000..186fc6b
--- /dev/null
+++ b/sample/oauth2sample/inc/main.h
@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2013 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the License);
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <app.h>
+#include <Elementary.h>
+#include <system_settings.h>
+#include <dlog.h>
+#include <efl_extension.h>
+
+#ifdef  LOG_TAG
+#undef  LOG_TAG
+#endif
+#define LOG_TAG "oauth2sample"
+
+#if !defined(PACKAGE)
+#define PACKAGE "org.tizen.oauth2sample"
+#endif
+
+#define ELM_DEMO_EDJ "/opt/usr/apps/org.tizen.oauth2sample/res/ui_controls.edj"
+#define ICON_DIR "/opt/usr/apps/org.tizen.oauth2sample/res/images"
+
+
+typedef struct appdata {
+	Evas_Object *win;
+	Evas_Object *conform;
+	Evas_Object *layout;
+	Evas_Object *nf;
+	Evas_Object *datetime;
+	Evas_Object *popup;
+	Evas_Object *button;
+	struct tm saved_time;
+} appdata_s;
+
+void ctxpopup_cb(void *data, Evas_Object *obj, void *event_info);
+void colorselector_cb(void *data, Evas_Object *obj, void *event_info);
+void conformant_cb(void *data, Evas_Object *obj, void *event_info);
+void gengrid_cb(void *data, Evas_Object *obj, void *event_info);
+void genlist_cb(void *data, Evas_Object *obj, void *event_info);
+void drawer_cb(void *data, Evas_Object *obj, void *event_info);
+void fastscroll_cb(void *data, Evas_Object *obj, void *event_info);
+void naviframe_cb(void *data, Evas_Object *obj, void *event_info);
+void toolbar_cb(void *data, Evas_Object *obj, void *event_info);
+void toolbar_tab_style_cb(void *data, Evas_Object *obj, void *event_info);
+void toolbar_navigation_style_cb(void *data, Evas_Object *obj, void *event_info);
+void entry_cb(void *data, Evas_Object *obj, void *event_info);
+void datetime_cb(void *data, Evas_Object *obj, void *event_info);
+void slider_cb(void *data, Evas_Object *obj, void *event_info);
+void progressbar_cb(void *data, Evas_Object *obj, void *event_info);
+
+void start_google_oauth_cb(void *data, Evas_Object *obj, void *event_info);
+void start_fb_oauth_cb(void *data, Evas_Object *obj, void *event_info);
+void start_github_oauth_cb(void *data, Evas_Object *obj, void *event_info);
+void start_linkedin_oauth_cb(void *data, Evas_Object *obj, void *event_info);
+void start_twitter_apponly_oauth_cb(void *data, Evas_Object *obj, void *event_info);
+void start_google_refresh_token_cb(void *data, Evas_Object *obj, void *event_info);
+void start_windows_oauth_cb(void *data, Evas_Object *obj, void *event_info);
+void start_linkedin_oauth_code_cb(void *data, Evas_Object *obj, void *event_info);
+void start_salesforce_oauth_code_cb(void *data, Evas_Object *obj, void *event_info);
+void clear_cache_and_cookies_cb(void *data, Evas_Object *obj, void *event_info);
+
+void check_cb(void *data, Evas_Object *obj, void *event_info);
+void nocontents_cb(void *data, Evas_Object *obj, void *event_info);
+void radio_cb(void *data, Evas_Object *obj, void *event_info);
+void pagecontrol_cb(void *data, Evas_Object *obj, void *event_info);
+void pagecontrol_horizontal_cb(void *data, Evas_Object *obj, void *event_info);
+void pagecontrol_horizontal_loop_cb(void *data, Evas_Object *obj, void *event_info);
+void popup_cb(void *data, Evas_Object *obj, void *event_info);
+void handler_cb(void *data, Evas_Object *obj, void *event_info);
+void multibuttonentry_cb(void *data, Evas_Object *obj, void *event_info);
+void spinner_cb(void *data, Evas_Object *obj, void *event_info);
+void label_cb(void *data, Evas_Object *obj, void *event_info);
+void label_text_styles_cb(void *data, Evas_Object *obj, void *event_info);
+void label_linebreak_modes_cb(void *data, Evas_Object *obj, void *event_info);
+void label_slide_cb(void *data, Evas_Object *obj, void *event_info);
+void label_ellipsis_cb(void *data, Evas_Object *obj, void *event_info);
+void label_color_styles_cb(void *data, Evas_Object *obj, void *event_info);
+void notify_cb(void *data, Evas_Object *obj, void *event_info);
+void bg_cb(void *data, Evas_Object *obj, void *event_info);
diff --git a/sample/oauth2sample/res/images/grid_image/1_raw.png b/sample/oauth2sample/res/images/grid_image/1_raw.png
new file mode 100644
index 0000000..435b065
--- /dev/null
+++ b/sample/oauth2sample/res/images/grid_image/1_raw.png
diff --git a/sample/oauth2sample/res/images/grid_image/2_raw.png b/sample/oauth2sample/res/images/grid_image/2_raw.png
new file mode 100644
index 0000000..4939953
--- /dev/null
+++ b/sample/oauth2sample/res/images/grid_image/2_raw.png
diff --git a/sample/oauth2sample/res/images/iu.png b/sample/oauth2sample/res/images/iu.png
new file mode 100644
index 0000000..3a1e2d7
--- /dev/null
+++ b/sample/oauth2sample/res/images/iu.png
diff --git a/sample/oauth2sample/res/ui_controls.edc b/sample/oauth2sample/res/ui_controls.edc
new file mode 100644
index 0000000..a6dc251
--- /dev/null
+++ b/sample/oauth2sample/res/ui_controls.edc
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ */
+
+collections {
+   base_scale: 1.8;
+   #include "../edc_resource/button.edc"
+}
+
diff --git a/sample/oauth2sample/shared/res/oauth2sample.png b/sample/oauth2sample/shared/res/oauth2sample.png
new file mode 100644
index 0000000..9765b1b
--- /dev/null
+++ b/sample/oauth2sample/shared/res/oauth2sample.png
diff --git a/sample/oauth2sample/src/main.c b/sample/oauth2sample/src/main.c
new file mode 100644
index 0000000..e560215
--- /dev/null
+++ b/sample/oauth2sample/src/main.c
@@ -0,0 +1,287 @@
+/*
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *		  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ */
+
+#include "main.h"
+#include <tizen.h>
+
+static void
+win_delete_request_cb(void *data, Evas_Object *obj, void *event_info)
+{
+	/* To make your application go to background,
+		Call the elm_win_lower() instead
+		Evas_Object *win = (Evas_Object *) data;
+		elm_win_lower(win); */
+	ui_app_exit();
+}
+
+static void
+list_selected_cb(void *data, Evas_Object *obj, void *event_info)
+{
+	Elm_Object_Item *it = event_info;
+	elm_list_item_selected_set(it, EINA_FALSE);
+}
+
+static Eina_Bool
+naviframe_pop_cb(void *data, Elm_Object_Item *it)
+{
+	ui_app_exit();
+	return EINA_FALSE;
+}
+
+static void
+create_list_view(appdata_s *ad)
+{
+	Evas_Object *list;
+	Evas_Object *btn;
+	Evas_Object *nf = ad->nf;
+	Elm_Object_Item *nf_it;
+
+	/* List */
+	list = elm_list_add(nf);
+	elm_list_mode_set(list, ELM_LIST_COMPRESS);
+	evas_object_smart_callback_add(list, "selected", list_selected_cb,
+		NULL);
+
+	/* Main Menu Items Here */
+	elm_list_item_append(list, "Google [Code]", NULL, NULL,
+		start_google_oauth_cb, nf);
+	/* Google uses code authentication grant type. [Code] [Single API] */
+
+	elm_list_item_append(list, "Facebook [Implicit]", NULL, NULL,
+		start_fb_oauth_cb, nf);
+	/* Facebook uses Implicit authentication grant type. [Implicit] */
+
+	elm_list_item_append(list, "GitHub [Code]", NULL, NULL,
+		start_github_oauth_cb, nf);
+	/* GitHub uses code authentication grant type. [Code] [Non-std] */
+
+	elm_list_item_append(list, "Twitter [Client Credential]", NULL, NULL,
+		start_twitter_apponly_oauth_cb, nf);
+	/* Twitter uses Client Credential authentication grant type.
+	 * [Client Credential]
+	*/
+
+	/*
+	 * elm_list_item_append(list, "[Password] TODO", NULL, NULL, NULL, nf);
+	 */
+	/* Google uses Password authentication grant type. [Password] */
+
+	elm_list_item_append(list, "Google [Refresh Token]", NULL, NULL,
+		start_google_refresh_token_cb, nf);
+	/*
+	 * Gets Google Refresh Token authentication grant type.
+	 * [Refresh Token]
+	 */
+
+	elm_list_item_append(list, "Windows Live [Code]", NULL, NULL,
+		start_windows_oauth_cb, nf);
+	/*
+	 * Windows Live uses code authentication grant type.
+	 * [Code] [Split API]
+	 * */
+
+	elm_list_item_append(list, "LinkedIn [Code]", NULL, NULL,
+		start_linkedin_oauth_code_cb, nf);
+	/* LinkedIn uses code authentication grant type. [Code] [Split API] */
+
+	elm_list_item_append(list, "Salesforce [Password]", NULL, NULL,
+		start_salesforce_oauth_code_cb, nf);
+	/*SalesForce uses password authentication grant type. [Password] */
+
+	elm_list_item_append(list, "Clear all cache and cookie data", NULL,
+		NULL, clear_cache_and_cookies_cb, nf);
+
+	elm_list_go(list);
+
+	/* This button is set for devices which doesn't have H/W back key. */
+	btn = elm_button_add(nf);
+	elm_object_style_set(btn, "naviframe/end_btn/default");
+	nf_it = elm_naviframe_item_push(nf, "OAuth 2.0 Sample", btn, NULL,
+		list, NULL);
+	elm_naviframe_item_pop_cb_set(nf_it, naviframe_pop_cb, ad->win);
+}
+
+static void
+create_base_gui(appdata_s *ad)
+{
+	/*
+	 * Widget Tree
+	 * Window
+	 *  - conform
+	 *   - layout main
+	 *    - naviframe */
+
+	/* Window */
+	ad->win = elm_win_util_standard_add(PACKAGE, PACKAGE);
+	elm_win_conformant_set(ad->win, EINA_TRUE);
+	elm_win_autodel_set(ad->win, EINA_TRUE);
+
+	if (elm_win_wm_rotation_supported_get(ad->win)) {
+		int rots[4] = { 0, 90, 180, 270 };
+		elm_win_wm_rotation_available_rotations_set(ad->win,
+			(const int *)(&rots), 4);
+	}
+
+	evas_object_smart_callback_add(ad->win, "delete,request",
+		win_delete_request_cb, NULL);
+
+	/* Conformant */
+	ad->conform = elm_conformant_add(ad->win);
+	evas_object_size_hint_weight_set(ad->conform, EVAS_HINT_EXPAND,
+		EVAS_HINT_EXPAND);
+	elm_win_resize_object_add(ad->win, ad->conform);
+	evas_object_show(ad->conform);
+
+	/* Indicator */
+	/* elm_win_indicator_mode_set(ad->win, ELM_WIN_INDICATOR_SHOW); */
+
+	/* Base Layout */
+	ad->layout = elm_layout_add(ad->conform);
+	evas_object_size_hint_weight_set(ad->layout, EVAS_HINT_EXPAND,
+		EVAS_HINT_EXPAND);
+	elm_layout_theme_set(ad->layout, "layout", "application", "default");
+	evas_object_show(ad->layout);
+
+	elm_object_content_set(ad->conform, ad->layout);
+
+	/* Naviframe */
+	ad->nf = elm_naviframe_add(ad->layout);
+	create_list_view(ad);
+	elm_object_part_content_set(ad->layout, "elm.swallow.content", ad->nf);
+	eext_object_event_callback_add(ad->nf, EEXT_CALLBACK_BACK,
+		eext_naviframe_back_cb, NULL);
+	eext_object_event_callback_add(ad->nf, EEXT_CALLBACK_MORE,
+		eext_naviframe_more_cb, NULL);
+
+	/* Show window after base gui is set up */
+	evas_object_show(ad->win);
+}
+
+static bool
+app_create(void *data)
+{
+	/* Hook to take necessary actions before main event loop starts
+	 * Initialize UI resources and application's data
+	 * If this function returns true, the main loop of application starts
+	 * If this function returns false, the application is terminated
+	 */
+	appdata_s *ad = data;
+
+	elm_app_base_scale_set(1.8);
+	create_base_gui(ad);
+
+	return true;
+}
+
+static void
+app_control(app_control_h app_control, void *data)
+{
+	/* Handle the launch request. */
+}
+
+static void
+app_pause(void *data)
+{
+	/* Take necessary actions when application becomes invisible. */
+}
+
+static void
+app_resume(void *data)
+{
+	/* Take necessary actions when application becomes visible. */
+}
+
+static void
+app_terminate(void *data)
+{
+	/* Release all resources. */
+}
+
+static void
+ui_app_lang_changed(app_event_info_h event_info, void *user_data)
+{
+	/*APP_EVENT_LANGUAGE_CHANGED*/
+	char *locale = NULL;
+	system_settings_get_value_string(SYSTEM_SETTINGS_KEY_LOCALE_LANGUAGE,
+		&locale);
+	elm_language_set(locale);
+	free(locale);
+	return;
+}
+
+static void
+ui_app_orient_changed(app_event_info_h event_info, void *user_data)
+{
+	/*APP_EVENT_DEVICE_ORIENTATION_CHANGED*/
+	return;
+}
+
+static void
+ui_app_region_changed(app_event_info_h event_info, void *user_data)
+{
+	/*APP_EVENT_REGION_FORMAT_CHANGED*/
+}
+
+static void
+ui_app_low_battery(app_event_info_h event_info, void *user_data)
+{
+	/*APP_EVENT_LOW_BATTERY*/
+}
+
+static void
+ui_app_low_memory(app_event_info_h event_info, void *user_data)
+{
+	/*APP_EVENT_LOW_MEMORY*/
+}
+
+int
+main(int argc, char *argv[])
+{
+	appdata_s ad = {0,};
+	int ret = 0;
+
+	ui_app_lifecycle_callback_s event_callback = {0,};
+	app_event_handler_h handlers[5] = {NULL, };
+
+	event_callback.create = app_create;
+	event_callback.terminate = app_terminate;
+	event_callback.pause = app_pause;
+	event_callback.resume = app_resume;
+	event_callback.app_control = app_control;
+
+	ui_app_add_event_handler(&handlers[APP_EVENT_LOW_BATTERY],
+		APP_EVENT_LOW_BATTERY, ui_app_low_battery, &ad);
+	ui_app_add_event_handler(&handlers[APP_EVENT_LOW_MEMORY],
+		APP_EVENT_LOW_MEMORY, ui_app_low_memory, &ad);
+	ui_app_add_event_handler(
+		&handlers[APP_EVENT_DEVICE_ORIENTATION_CHANGED],
+		APP_EVENT_DEVICE_ORIENTATION_CHANGED,
+		ui_app_orient_changed, &ad);
+	ui_app_add_event_handler(&handlers[APP_EVENT_LANGUAGE_CHANGED],
+		APP_EVENT_LANGUAGE_CHANGED, ui_app_lang_changed, &ad);
+	ui_app_add_event_handler(&handlers[APP_EVENT_REGION_FORMAT_CHANGED],
+		APP_EVENT_REGION_FORMAT_CHANGED, ui_app_region_changed, &ad);
+	ui_app_remove_event_handler(handlers[APP_EVENT_LOW_MEMORY]);
+
+	ret = ui_app_main(argc, argv, &event_callback, &ad);
+	if (ret != APP_ERROR_NONE) {
+		dlog_print(DLOG_ERROR, LOG_TAG, "app_main() failed. err = %d",
+			ret);
+	}
+
+	return ret;
+}
diff --git a/sample/oauth2sample/src/oauth2_handler.c b/sample/oauth2sample/src/oauth2_handler.c
new file mode 100644
index 0000000..31a8304
--- /dev/null
+++ b/sample/oauth2sample/src/oauth2_handler.c
@@ -0,0 +1,806 @@
+/*
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ */
+#include "main.h"
+
+#include <oauth2.h>
+#include <bundle.h>
+
+#define GOOGLE_CLIENT_ID "53492317821.apps.googleusercontent.com"
+#define GOOGLE_CLIENT_SECRET "2SEBA-F4EV9jkqzT1UGJe7Aq"
+
+#define WINDOWS_CLIENT_ID "0000000044139C34"
+#define WINDOWS_CLIENT_SECRET "lq-od8DUGe9BrcaI9qVHM2Q9krFUNZDd"
+
+#define LINKEDIN_CLIENT_ID "782p0522d2ri2i"
+#define LINKEDIN_CLIENT_SECRET "Ibj6HdUpZj2M4XIs"
+
+/* #define _THIS_PACKAGE "org.tizen.oauth2sample"
+ *
+ * #ifdef  LOG_TAG
+ * #undef  LOG_TAG
+ * #endif
+ * #define LOG_TAG _THIS_PACKAGE
+*/
+
+#ifndef _ERR
+#define _ERR(fmt, args...) LOGE("[%s:%d] "fmt"\n", __func__, __LINE__, ##args)
+#endif
+
+#ifndef _DBG
+#define _DBG(fmt, args...) LOGD("[%s:%d] "fmt"\n", __func__, __LINE__, ##args)
+#endif
+
+#ifndef _INFO
+#define _INFO(fmt, args...) LOGI("[%s:%d] "fmt"\n", __func__, __LINE__, ##args)
+#endif
+
+static oauth2_manager_h mgr1 = NULL;
+char *google_refresh_token = NULL;
+char *popStr;
+Evas_Object *win_data = NULL;
+int flag = 0;
+
+static void
+popup_btn_clicked_cb(void *data, Evas_Object *obj, void *event_info)
+{
+	Evas_Object *popup = data;
+	evas_object_del(popup);
+}
+
+static void
+create_popup(char *popup_str, void * data)
+{
+	Evas_Object *popup = elm_popup_add(win_data);
+
+	if (flag == 0)
+		elm_object_part_text_set(popup, "title,text", "Response");
+	else if (flag == 1)
+		elm_object_part_text_set(popup, "title,text", "Success");
+
+
+	Evas_Object *btn;
+	char str[2048] = {0,};
+	strcpy(str,popup_str);
+	elm_popup_align_set(popup, ELM_NOTIFY_ALIGN_FILL, 1.0);
+	evas_object_size_hint_weight_set(popup, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
+	elm_object_text_set(popup, popup_str);
+
+	btn = elm_button_add(popup);
+	elm_object_style_set(btn, "popup");
+	evas_object_size_hint_weight_set(btn, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
+	elm_object_text_set(btn, "OK");
+	elm_object_part_content_set(popup, "button1", btn);
+	eext_object_event_callback_add(popup, EEXT_CALLBACK_BACK, eext_popup_back_cb, NULL);
+	evas_object_smart_callback_add(btn, "clicked", popup_btn_clicked_cb, popup);
+	evas_object_show(popup);
+
+
+	flag = 0;
+	return;
+}
+
+void
+bundle_cb(const char *key, const int type, const bundle_keyval_t *kv,
+	void *user_data)
+{
+	char *display_str = (char *)user_data;
+
+	char *err_val = NULL;
+	size_t err_len = 0;
+	bundle_keyval_get_basic_val((bundle_keyval_t *)kv, (void **)&err_val,
+		&err_len);
+	if (err_val) {
+		strcat(display_str, key);
+		strcat(display_str, "=");
+		strcat(display_str, err_val);
+		strcat(display_str, ",");
+	}
+}
+
+static void
+btn_clicked_cb(void *data, Evas_Object *obj, void *event_info)
+{
+	int btn_num = (int)data;
+
+	printf("clicked event on Button:%d\n", btn_num);
+}
+
+static Evas_Object*
+create_scroller(Evas_Object *parent)
+{
+	Evas_Object *scroller = elm_scroller_add(parent);
+	elm_scroller_bounce_set(scroller, EINA_FALSE, EINA_TRUE);
+	elm_scroller_policy_set(scroller, ELM_SCROLLER_POLICY_OFF,
+		ELM_SCROLLER_POLICY_AUTO);
+	evas_object_show(scroller);
+
+	return scroller;
+}
+
+static Evas_Object*
+create_button_view(Evas_Object *parent)
+{
+	Evas_Object *btn, *img, *box;
+
+	box = elm_box_add(parent);
+	evas_object_size_hint_weight_set(box, EVAS_HINT_EXPAND,
+		EVAS_HINT_EXPAND);
+	evas_object_size_hint_align_set(box, EVAS_HINT_FILL, EVAS_HINT_FILL);
+	elm_box_padding_set(box, 0, 5 * elm_config_scale_get());
+	evas_object_show(box);
+
+	/* icon_reorder style */
+	btn = elm_button_add(box);
+	elm_object_style_set(btn, "icon_reorder");
+	evas_object_smart_callback_add(btn, "clicked", btn_clicked_cb,
+		(void *)1);
+	evas_object_show(btn);
+	elm_box_pack_end(box, btn);
+
+	/* icon_expand_add style */
+	btn = elm_button_add(box);
+	elm_object_style_set(btn, "icon_expand_add");
+	evas_object_smart_callback_add(btn, "clicked", btn_clicked_cb,
+		(void *)2);
+	evas_object_show(btn);
+	elm_box_pack_end(box, btn);
+
+	/* icon_expand_delete style */
+	btn = elm_button_add(box);
+	elm_object_style_set(btn, "icon_expand_delete");
+	evas_object_smart_callback_add(btn, "clicked", btn_clicked_cb,
+		(void *)3);
+	evas_object_show(btn);
+	elm_box_pack_end(box, btn);
+
+	/* default style */
+	btn = elm_button_add(box);
+	elm_object_text_set(btn, "default");
+	evas_object_size_hint_min_set(btn, ELM_SCALE_SIZE(150),
+		ELM_SCALE_SIZE(58));
+	evas_object_smart_callback_add(btn, "clicked", btn_clicked_cb,
+		(void *)4);
+	evas_object_show(btn);
+	elm_box_pack_end(box, btn);
+
+	/* btn_circle style */
+	btn = elm_button_add(box);
+	elm_object_style_set(btn, "circle");
+	elm_object_text_set(btn, "circle twoline");
+	img = elm_image_add(btn);
+	elm_image_file_set(img, ICON_DIR"/core_icon_brightness.png", NULL);
+	elm_image_resizable_set(img, EINA_TRUE, EINA_TRUE);
+	elm_object_part_content_set(btn, "icon", img);
+	evas_object_smart_callback_add(btn, "clicked", btn_clicked_cb,
+		(void *)5);
+	evas_object_show(btn);
+	elm_box_pack_end(box, btn);
+
+	/* bottom style */
+	btn = elm_button_add(box);
+	elm_object_style_set(btn, "bottom");
+	elm_object_text_set(btn, "bottom");
+	evas_object_size_hint_min_set(btn, ELM_SCALE_SIZE(150),
+		ELM_SCALE_SIZE(58));
+	evas_object_smart_callback_add(btn, "clicked", btn_clicked_cb,
+		(void *)6);
+	evas_object_show(btn);
+	elm_box_pack_end(box, btn);
+
+	/* contacts style */
+	btn = elm_button_add(box);
+	elm_object_style_set(btn, "contacts");
+	elm_object_text_set(btn, "contacts");
+	evas_object_smart_callback_add(btn, "clicked", btn_clicked_cb,
+		(void *)7);
+	evas_object_show(btn);
+	elm_box_pack_end(box, btn);
+
+	btn = elm_button_add(box);
+	elm_object_style_set(btn, "option");
+	evas_object_smart_callback_add(btn, "clicked", btn_clicked_cb,
+		(void *)8);
+	evas_object_show(btn);
+	elm_box_pack_end(box, btn);
+
+	return box;
+}
+
+void
+token_response_cb(oauth2_response_h response, void *user_data)
+{
+	_INFO("token_response_cb");
+
+	char *acc_token = NULL;
+	oauth2_response_get_access_token(response, &acc_token);
+
+	char *ref_token = NULL;
+	oauth2_response_get_refresh_token(response, &ref_token);
+	google_refresh_token = ref_token;
+
+	long long int expires_in = 0;
+	oauth2_response_get_expires_in(response, &expires_in);
+
+	char displayStr[1024] = {0,};
+	if (acc_token) {
+		displayStr[0] = '\0';
+		strcpy(displayStr, "access token= ");
+		strcat(displayStr, acc_token);
+	} else {
+		oauth2_error_h e_handle =  NULL;
+
+		oauth2_response_get_error(response, &e_handle);
+		char *error_val = NULL;
+		oauth2_error_get_custom_data(e_handle, "error", &error_val);
+		if (error_val)
+			strcpy(displayStr, error_val);
+		else {
+			int error_code = 0;
+			int platform_error_code = 0;
+
+			oauth2_error_get_code(e_handle, &error_code,
+				&platform_error_code);
+			if (error_code != 0 || platform_error_code != 0) {
+				sprintf(displayStr, "Error=[%d][%d]",
+				error_code, platform_error_code);
+			} else
+				strcpy(displayStr, "Unknown server error");
+		}
+	}
+
+	if (ref_token) {
+		strcat(displayStr, "\r\n");
+		strcat(displayStr, "refresh token = ");
+		strcat(displayStr, ref_token);
+	}
+
+	if (expires_in != 0) {
+		strcat(displayStr, "\r\n");
+		strcat(displayStr, "expires in= ");
+		char expires_str[128] = {0};
+		sprintf(expires_str, "%lld", expires_in);
+		strcat(displayStr, expires_str);
+	}
+
+	create_popup(displayStr , win_data);
+	return;
+}
+
+
+void
+refresh_token_response_cb(oauth2_response_h response, void *user_data)
+{
+	_INFO("token_response_cb");
+
+	char *acc_token = NULL;
+	oauth2_response_get_access_token(response, &acc_token);
+
+	char *ref_token = NULL;
+	oauth2_response_get_refresh_token(response, &ref_token);
+
+	if (ref_token) {
+		oauth2_manager_h mgr = (oauth2_manager_h) user_data;
+
+		oauth2_request_h request = NULL;
+
+		int ret = oauth2_request_create(&request);
+
+		ret = oauth2_request_set_refresh_token_url(request,
+			"https://www.googleapis.com/oauth2/v3/token");
+
+		ret = oauth2_request_set_refresh_token(request, ref_token);
+
+		ret = oauth2_request_set_client_id(request, GOOGLE_CLIENT_ID);
+
+		ret = oauth2_request_set_client_secret(request,
+			GOOGLE_CLIENT_SECRET);
+
+		ret = oauth2_request_set_grant_type(request,
+			OAUTH2_GRANT_TYPE_REFRESH);
+
+		ret = oauth2_request_set_client_authentication_type(request,
+			OAUTH2_CLIENT_AUTHENTICATION_TYPE_REQUEST_BODY);
+
+		if (mgr && request) {
+			mgr1 = mgr;
+
+			ret = oauth2_manager_refresh_access_token(mgr, request,
+				token_response_cb, NULL);
+		}
+	} else {
+		char displayStr[1024] = {0,};
+
+		oauth2_error_h e_handle =  NULL;
+
+		oauth2_response_get_error(response, &e_handle);
+		char *error_val = NULL;
+		oauth2_error_get_custom_data(e_handle, "error", &error_val);
+		if (error_val)
+			strcpy(displayStr, error_val);
+		else {
+			int error_code = 0;
+			int platform_error_code = 0;
+
+			oauth2_error_get_code(e_handle, &error_code,
+				&platform_error_code);
+
+			if (error_code != 0 || platform_error_code != 0)
+				sprintf(displayStr, "Error=[%d][%d]",
+					error_code, platform_error_code);
+			else {
+				strcpy(displayStr, "Unknown server error");
+			}
+		}
+
+		create_popup(displayStr , win_data);
+	}
+}
+
+void
+clear_cache_and_cookies_cb(void *data, Evas_Object *obj, void *event_info)
+{
+	win_data = (Evas_Object *) data;
+
+	if (mgr1 != NULL) {
+		oauth2_manager_clear_cache(mgr1);
+		oauth2_manager_clear_cookies(mgr1);
+
+		mgr1 = NULL;
+
+		flag = 1;
+
+		popStr = "cache and cookie data cleared!!!";
+		create_popup(popStr , win_data);
+		return;
+	}
+}
+
+void
+code_access_token_cb(oauth2_response_h response, void *user_data)
+{
+	_INFO("auth2_access_token_cb");
+
+	char *acc_token = NULL;
+	char displayStr[1024] = {0,};
+	oauth2_response_get_access_token(response, &acc_token);
+	if (acc_token) {
+		displayStr[0] = '\0';
+		strcpy(displayStr, "access token= ");
+		strcat(displayStr, acc_token);
+	} else {
+		oauth2_error_h e_handle = NULL;
+
+		oauth2_response_get_error(response, &e_handle);
+		char *error_val = NULL;
+		oauth2_error_get_custom_data(e_handle, "error", &error_val);
+		if (error_val)
+			strcpy(displayStr, error_val);
+		else {
+			int error_code = 0;
+			int platform_error_code = 0;
+
+			oauth2_error_get_code(e_handle, &error_code,
+				&platform_error_code);
+			if (error_code != 0 || platform_error_code != 0) {
+				sprintf(displayStr, "Error=[%d][%d]",
+					error_code, platform_error_code);
+			} else {
+				strcpy(displayStr, "Unknown server error");
+			}
+		}
+	}
+	create_popup(displayStr , win_data);
+}
+
+void
+grant_response_cb(oauth2_response_h response, void *user_data)
+{
+	_INFO("grant_response_cb");
+
+	char *auth_code = NULL;
+	oauth2_response_get_authorization_code(response, &auth_code);
+	if (auth_code) {
+		oauth2_manager_h mgr = NULL;
+		int ret = oauth2_manager_create(&mgr);
+
+		oauth2_request_h request = (oauth2_request_h) user_data;
+
+		ret = oauth2_request_set_authorization_code(request, auth_code);
+
+		if (mgr && request) {
+			ret = oauth2_manager_request_access_token(mgr,
+				request, code_access_token_cb, NULL);
+		}
+	} else {
+		char displayStr[1024] = {0,};
+
+		oauth2_error_h e_handle =  NULL;
+
+		oauth2_response_get_error(response, &e_handle);
+		char *error_val = NULL;
+		oauth2_error_get_custom_data(e_handle, "error", &error_val);
+		if (error_val) {
+			strcpy(displayStr, error_val);
+		} else {
+			int error_code = 0;
+			int platform_error_code = 0;
+
+			oauth2_error_get_code(e_handle, &error_code,
+				&platform_error_code);
+			if (error_code != 0 || platform_error_code != 0) {
+				sprintf(displayStr, "Error=[%d][%d]",
+					error_code, platform_error_code);
+			} else {
+				strcpy(displayStr, "Unknown server error");
+			}
+		}
+
+		create_popup(displayStr , win_data);
+	}
+}
+
+
+void
+start_google_oauth_cb(void *data, Evas_Object *obj, void *event_info)
+{
+	win_data = (Evas_Object *) data;
+
+	oauth2_manager_h mgr = NULL;
+	int ret = oauth2_manager_create(&mgr);
+
+	oauth2_request_h request = NULL;
+	ret = oauth2_request_create(&request);
+
+	ret = oauth2_request_set_auth_end_point_url(request,
+		"https://accounts.google.com/o/oauth2/auth");
+
+	ret = oauth2_request_set_token_end_point_url(request,
+		"https://accounts.google.com/o/oauth2/token");
+
+	ret = oauth2_request_set_redirection_url(request,
+		"https://localhost:8080");
+
+	ret = oauth2_request_set_client_id(request, GOOGLE_CLIENT_ID);
+
+	ret = oauth2_request_set_client_secret(request, GOOGLE_CLIENT_SECRET);
+
+	ret = oauth2_request_set_scope(request, "email");
+
+	ret = oauth2_request_set_response_type(request,
+		OAUTH2_RESPONSE_TYPE_CODE);
+
+	if (mgr && request) {
+		mgr1 = mgr;
+
+		ret = oauth2_manager_request_token(mgr, request,
+			token_response_cb, NULL);
+	}
+}
+
+
+void
+start_fb_oauth_cb(void *data, Evas_Object *obj, void *event_info)
+{
+	oauth2_manager_h mgr = NULL;
+	int ret = oauth2_manager_create(&mgr);
+
+	win_data = (Evas_Object *) data;
+
+	oauth2_request_h request = NULL;
+	ret = oauth2_request_create(&request);
+
+	ret = oauth2_request_set_auth_end_point_url(request,
+		"https://www.facebook.com/dialog/oauth");
+
+	ret = oauth2_request_set_redirection_url(request,
+		"https://developer.tizen.org");
+
+	ret = oauth2_request_set_client_id(request, "280875681986395");
+
+	ret = oauth2_request_set_scope(request, "read_stream");
+
+	ret = oauth2_request_set_response_type(request,
+		OAUTH2_RESPONSE_TYPE_TOKEN);
+
+	if (mgr && request) {
+		mgr1 = mgr;
+
+		ret = oauth2_manager_request_token(mgr, request,
+			token_response_cb, NULL);
+	}
+}
+
+
+void
+start_github_oauth_cb(void *data, Evas_Object *obj, void *event_info)
+{
+	oauth2_manager_h mgr = NULL;
+	int ret = oauth2_manager_create(&mgr);
+
+	oauth2_request_h request = NULL;
+	ret = oauth2_request_create(&request);
+
+	win_data = (Evas_Object *) data;
+
+	ret = oauth2_request_set_auth_end_point_url(request,
+		"https://github.com/login/oauth/authorize");
+
+	ret = oauth2_request_set_token_end_point_url(request,
+		"https://github.com/login/oauth/access_token");
+
+	ret = oauth2_request_set_redirection_url(request,
+		"https://developer.tizen.org");
+
+	ret = oauth2_request_set_client_id(request, "aa5ded12ececad47a22c");
+
+	ret = oauth2_request_set_client_secret(request,
+		"755806ea84c63f967b82d7fc451cf886d037f8f2");
+
+	int state_int = rand()%1000;
+	char state_str[128] = {0,};
+	snprintf(state_str, 127, "%d", state_int);
+	ret = oauth2_request_set_state(request, state_str);
+
+	ret = oauth2_request_set_scope(request, "user");
+	ret = oauth2_request_set_response_type(request,
+		OAUTH2_RESPONSE_TYPE_CODE);
+
+	if (mgr && request) {
+		mgr1 = mgr;
+		ret = oauth2_manager_request_token(mgr, request,
+			token_response_cb, NULL);
+	}
+}
+
+void
+start_google_refresh_token_cb(void *data, Evas_Object *obj, void *event_info)
+{
+	win_data = (Evas_Object *) data;
+
+	oauth2_manager_h mgr = NULL;
+	int ret = oauth2_manager_create(&mgr);
+
+	oauth2_request_h request = NULL;
+	ret = oauth2_request_create(&request);
+
+	ret = oauth2_request_set_auth_end_point_url(request,
+		"https://accounts.google.com/o/oauth2/auth");
+
+	ret = oauth2_request_set_token_end_point_url(request,
+		"https://accounts.google.com/o/oauth2/token");
+
+	ret = oauth2_request_set_redirection_url(request,
+		"https://localhost:8080");
+
+	ret = oauth2_request_set_client_id(request, GOOGLE_CLIENT_ID);
+
+	ret = oauth2_request_set_client_secret(request, GOOGLE_CLIENT_SECRET);
+
+	ret = oauth2_request_set_scope(request, "email");
+
+	ret = oauth2_request_set_response_type(request,
+		OAUTH2_RESPONSE_TYPE_CODE);
+
+	if (mgr && request) {
+		ret = oauth2_manager_request_token(mgr, request,
+			refresh_token_response_cb, mgr);
+	}
+}
+
+void
+start_twitter_apponly_oauth_cb(void *data, Evas_Object *obj, void *event_info)
+{
+	oauth2_manager_h mgr = NULL;
+	int ret = oauth2_manager_create(&mgr);
+
+	oauth2_request_h request = NULL;
+	ret = oauth2_request_create(&request);
+
+	win_data = (Evas_Object *) data;
+
+	ret = oauth2_request_set_auth_end_point_url(request,
+		"https://api.twitter.com/oauth2/token");
+
+	ret = oauth2_request_set_token_end_point_url(request,
+		"https://api.twitter.com/oauth2/token");
+
+	ret = oauth2_request_set_redirection_url(request,
+		"https://developer.tizen.org");
+
+	ret = oauth2_request_set_client_id(request, "PiQeUGnE96DQxEw36rAPw");
+
+	ret = oauth2_request_set_client_secret(request,
+		"qxLHpdcAg5fCmE6b46GXO8UjDefr6H5C9jXF2SOFAE");
+
+	ret = oauth2_request_set_grant_type(request,
+		OAUTH2_GRANT_TYPE_CLIENT_CREDENTIALS);
+
+	ret = oauth2_request_set_client_authentication_type(request,
+		OAUTH2_CLIENT_AUTHENTICATION_TYPE_BASIC);
+
+	if (mgr && request) {
+		mgr1 = mgr;
+
+		ret = oauth2_manager_request_token(mgr, request,
+			token_response_cb, NULL);
+	}
+}
+
+
+void
+start_linkedin_oauth_cb(void *data, Evas_Object *obj, void *event_info)
+{
+	oauth2_manager_h mgr = NULL;
+	int ret = oauth2_manager_create(&mgr);
+
+	oauth2_request_h request = NULL;
+	ret = oauth2_request_create(&request);
+
+	ret = oauth2_request_set_auth_end_point_url(request,
+		"https://www.linkedin.com/uas/oauth2/authorization");
+
+	ret = oauth2_request_set_token_end_point_url(request,
+		"https://www.linkedin.com/uas/oauth2/accessToken");
+
+	ret = oauth2_request_set_redirection_url(request,
+		"https://developer.tizen.org");
+
+	ret = oauth2_request_set_client_id(request, "");
+
+	ret = oauth2_request_set_client_secret(request, "");
+
+	int state_int = rand()%1000;
+	char state_str[128] = {0,};
+	snprintf(state_str, 127, "%d", state_int);
+	ret = oauth2_request_set_state(request, state_str);
+
+	ret = oauth2_request_set_response_type(request,
+		OAUTH2_RESPONSE_TYPE_CODE);
+
+	if (mgr && request) {
+		mgr1 = mgr;
+
+		ret = oauth2_manager_request_token(mgr, request,
+			token_response_cb, NULL);
+	}
+}
+
+
+void
+start_windows_oauth_cb(void *data, Evas_Object *obj, void *event_info)
+{
+	oauth2_manager_h mgr = NULL;
+	int ret = oauth2_manager_create(&mgr);
+
+	oauth2_request_h request = NULL;
+	ret = oauth2_request_create(&request);
+
+	win_data = (Evas_Object *) data;
+
+	ret = oauth2_request_set_auth_end_point_url(request,
+		"https://login.live.com/oauth20_authorize.srf");
+
+	ret = oauth2_request_set_token_end_point_url(request,
+		"https://login.live.com/oauth20_token.srf");
+
+	ret = oauth2_request_set_redirection_url(request,
+		"https://developer.tizen.org");
+
+	ret = oauth2_request_set_client_id(request, WINDOWS_CLIENT_ID);
+
+	ret = oauth2_request_set_client_secret(request, WINDOWS_CLIENT_SECRET);
+
+	ret = oauth2_request_set_scope(request, "wl.basic");
+
+	ret = oauth2_request_set_grant_type(request,
+		OAUTH2_GRANT_TYPE_AUTH_CODE);
+
+	ret = oauth2_request_set_response_type(request,
+		OAUTH2_RESPONSE_TYPE_CODE);
+
+	if (mgr && request) {
+		mgr1 = mgr;
+
+		ret = oauth2_manager_request_authorization_grant(mgr,
+			request, grant_response_cb, request);
+	}
+}
+
+
+void
+start_linkedin_oauth_code_cb(void *data, Evas_Object *obj, void *event_info)
+{
+	oauth2_manager_h mgr = NULL;
+	int ret = oauth2_manager_create(&mgr);
+
+	oauth2_request_h request = NULL;
+	ret = oauth2_request_create(&request);
+
+	win_data = (Evas_Object *) data;
+
+	ret = oauth2_request_set_auth_end_point_url(request,
+		"https://www.linkedin.com/uas/oauth2/authorization");
+
+	ret = oauth2_request_set_token_end_point_url(request,
+		"https://www.linkedin.com/uas/oauth2/accessToken");
+
+	ret = oauth2_request_set_redirection_url(request,
+		"https://developer.tizen.org");
+
+	ret = oauth2_request_set_client_id(request, LINKEDIN_CLIENT_ID);
+
+	ret = oauth2_request_set_client_secret(request, LINKEDIN_CLIENT_SECRET);
+
+	ret = oauth2_request_set_scope(request, "r_basicprofile");
+
+	ret = oauth2_request_set_state(request, "DCEEFWF45453sdffef424");
+
+	ret = oauth2_request_set_grant_type(request,
+		OAUTH2_GRANT_TYPE_AUTH_CODE);
+
+	ret = oauth2_request_set_response_type(request,
+		OAUTH2_RESPONSE_TYPE_CODE);
+
+	if (mgr && request) {
+		mgr1 = mgr;
+
+		ret = oauth2_manager_request_authorization_grant(mgr,
+			request, grant_response_cb, request);
+
+	}
+}
+
+void
+start_salesforce_oauth_code_cb(void *data, Evas_Object *obj, void *event_info)
+{
+	oauth2_manager_h mgr = NULL;
+	int ret = oauth2_manager_create(&mgr);
+
+	oauth2_request_h request = NULL;
+	ret = oauth2_request_create(&request);
+
+	win_data = (Evas_Object *) data;
+
+	ret = oauth2_request_set_auth_end_point_url(request,
+		"https://login.salesforce.com/services/oauth2/authorize");
+
+	ret = oauth2_request_set_token_end_point_url(request,
+		"https://login.salesforce.com/services/oauth2/token");
+
+	ret = oauth2_request_set_redirection_url(request,
+		"https://developer.tizen.org");
+
+	ret = oauth2_request_set_client_id(request,
+		"3MVG9ZL0ppGP5UrCxqVnY_izjlRzW6tCeDYs64KXns0wGEgbtfqK8cWx16Y4gM3wx2htt0GuoDiQ.CkX2ZuI1");
+
+	ret = oauth2_request_set_client_secret(request, "3431205550072092349");
+
+	ret = oauth2_request_set_grant_type(request,
+		OAUTH2_GRANT_TYPE_PASSWORD);
+
+	ret = oauth2_request_set_user_name(request, "sam_test1@outlook.com");
+
+	ret = oauth2_request_set_password(request,
+		"samsung@1gOeXzn5nKDGVNNQP4kJYEqNPp");
+
+	if (mgr && request) {
+		mgr1 = mgr;
+
+		ret = oauth2_manager_request_token(mgr, request,
+			token_response_cb, request);
+	}
+}
diff --git a/sample/oauth2sample/tizen-manifest.xml b/sample/oauth2sample/tizen-manifest.xml
new file mode 100644
index 0000000..3e6d531
--- /dev/null
+++ b/sample/oauth2sample/tizen-manifest.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<manifest xmlns="http://tizen.org/ns/packages" api-version="2.3" package="org.tizen.oauth2sample" version="1.0.0">
+    <profile name="mobile"/>
+    <ui-application appid="org.tizen.oauth2sample" exec="oauth2sample" multiple="false" nodisplay="false" taskmanage="true" type="capp">
+        <label>oauth2sample</label>
+        <icon>oauth2sample.png</icon>
+    </ui-application>
+    <privileges>
+        <privilege>http://tizen.org/privilege/internet</privilege>
+    </privileges>
+</manifest>
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
new file mode 100755
index 0000000..e1ae46b
--- /dev/null
+++ b/src/CMakeLists.txt
@@ -0,0 +1,59 @@
+
+SET(PREFIX ${CMAKE_INSTALL_PREFIX})
+SET(EXEC_PREFIX "\${prefix}")
+SET(VERSION_MAJOR 0)
+SET(VERSION "${VERSION_MAJOR}.0.1")
+
+SET(SRCS
+	oauth2_error.c
+	oauth2_manager.c
+	oauth2_request.c
+	oauth2_response.c
+	oauth2_util.c
+)
+
+INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/include)
+INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/src)
+
+INCLUDE(FindPkgConfig)
+if(DEFINED EXCLUDE_EWK_ERR)
+    add_definitions(-DWITHOUT_EWK_ERROR)
+endif()
+
+if(USE_CHROMIUM_EFL)
+	add_definitions(-DWITH_CHROMIUM)
+	pkg_check_modules(clientpkgs REQUIRED dlog glib-2.0 gio-2.0 gio-unix-2.0 capi-base-common capi-system-info security-privilege-checker libcurl efl-extension ecore evas chromium-efl json-glib-1.0 elementary)
+else()
+	pkg_check_modules(clientpkgs REQUIRED dlog glib-2.0 gio-2.0 gio-unix-2.0 capi-base-common capi-system-info security-privilege-checker libcurl efl-extension ecore evas ewebkit2 json-glib-1.0 elementary)
+endif()
+
+FOREACH(flag ${clientpkgs_CFLAGS})
+	SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} ${flag}")
+ENDFOREACH(flag)
+
+SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_CFLAGS} -Wall -Werror")
+SET(CMAKE_LDFLAGS "-Wl,-zdefs")
+
+ADD_DEFINITIONS("-DPREFIX=\"${CMAKE_INSTALL_PREFIX}\"")
+ADD_DEFINITIONS("-DFACTORYFS=\"$ENV{FACTORYFS}\"")
+ADD_DEFINITIONS("-DSLP_DEBUG")
+
+
+ADD_LIBRARY(${PROJECT_NAME} SHARED ${SRCS})
+SET_TARGET_PROPERTIES(${PROJECT_NAME} PROPERTIES SOVERSION ${VERSION_MAJOR})
+SET_TARGET_PROPERTIES(${PROJECT_NAME} PROPERTIES VERSION ${VERSION})
+
+TARGET_LINK_LIBRARIES(${PROJECT_NAME} ${clientpkgs_LDFLAGS})
+
+CONFIGURE_FILE(${PROJECT_NAME}.pc.in ${CMAKE_BINARY_DIR}/${PROJECT_NAME}.pc @ONLY)
+
+INSTALL(TARGETS ${PROJECT_NAME} DESTINATION ${LIBDIR}/oauth2)
+INSTALL(TARGETS ${PROJECT_NAME} DESTINATION ${LIBDIR})
+INSTALL(FILES ${CMAKE_BINARY_DIR}/${PROJECT_NAME}.pc DESTINATION ${LIBDIR}/pkgconfig)
+
+INSTALL(FILES ${CMAKE_SOURCE_DIR}/include/oauth2.h DESTINATION include)
+INSTALL(FILES ${CMAKE_SOURCE_DIR}/include/oauth2_manager.h DESTINATION include)
+INSTALL(FILES ${CMAKE_SOURCE_DIR}/include/oauth2_request.h DESTINATION include)
+INSTALL(FILES ${CMAKE_SOURCE_DIR}/include/oauth2_response.h DESTINATION include)
+INSTALL(FILES ${CMAKE_SOURCE_DIR}/include/oauth2_error.h DESTINATION include)
+INSTALL(FILES ${CMAKE_SOURCE_DIR}/include/oauth2_types.h DESTINATION include)
diff --git a/src/oauth2.pc.in b/src/oauth2.pc.in
new file mode 100755
index 0000000..17e7fef
--- /dev/null
+++ b/src/oauth2.pc.in
@@ -0,0 +1,13 @@
+# Package Information for pkg-config
+
+prefix=@PREFIX@
+exec_prefix=@EXEC_PREFIX@
+libdir=@LIBDIR@
+includedir=@INCLUDEDIR@
+
+Name: oauth2
+Description: Tizen oauth 2.0 Framework
+Version: @VERSION@
+#Requires: capi-base-common
+Libs: -L${libdir} -loauth2
+Cflags: -I${includedir}
diff --git a/src/oauth2_error.c b/src/oauth2_error.c
new file mode 100644
index 0000000..5ae196d
--- /dev/null
+++ b/src/oauth2_error.c
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2014 - 2015 Samsung Electronics Co., Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include "oauth2_error.h"
+#include "oauth2_private.h"
+#include "oauth2_util.h"
+
+OAUTH2_API
+int oauth2_error_get_code(oauth2_error_h handle, int *server_error_code,
+	int *platform_error_code)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_error_s *request_data_temp = (oauth2_error_s *)handle;
+
+	char *server_error_str = NULL;
+	char *platform_error_str = NULL;
+
+	bundle_get_str(request_data_temp->error_data,
+		OAUTH2_PARAMETER_KEY_ERROR_CODE, &server_error_str);
+	bundle_get_str(request_data_temp->error_data,
+		OAUTH2_PARAMETER_KEY_ERROR_CODE_PLATFORM, &platform_error_str);
+
+	if (!server_error_str && !platform_error_str)
+		return OAUTH2_ERROR_VALUE_NOT_FOUND;
+
+	if (server_error_str)
+		sscanf(server_error_str, "%d", server_error_code);
+
+	if (platform_error_str)
+		sscanf(platform_error_str, "%d", platform_error_code);
+
+	return OAUTH2_ERROR_NONE;
+}
+
+OAUTH2_API
+int oauth2_error_get_description(oauth2_error_h handle, char **description)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_error_s *error_data_temp = (oauth2_error_s *)handle;
+
+	char *val = NULL;
+	bundle_get_str(error_data_temp->error_data,
+		OAUTH2_PARAMETER_KEY_ERROR_DESCRIPTION, &val);
+	if (!val)
+		return OAUTH2_ERROR_VALUE_NOT_FOUND;
+
+	*description = val;
+	return OAUTH2_ERROR_NONE;
+}
+
+OAUTH2_API
+int oauth2_error_get_uri(oauth2_error_h handle, char **uri)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_error_s *error_data_temp = (oauth2_error_s *)handle;
+
+	char *val = NULL;
+	bundle_get_str(error_data_temp->error_data,
+		OAUTH2_PARAMETER_KEY_ERROR_URI, &val);
+	if (!val)
+		return OAUTH2_ERROR_VALUE_NOT_FOUND;
+
+	*uri = val;
+	return OAUTH2_ERROR_NONE;
+}
+
+OAUTH2_API
+int oauth2_error_get_custom_data(oauth2_error_h handle, const char *custom_key,
+	char **custom_value)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_error_s *error_data_temp = (oauth2_error_s *)handle;
+
+	char *val = NULL;
+	bundle_get_str(error_data_temp->error_data, custom_key, &val);
+	if (!val)
+		return OAUTH2_ERROR_VALUE_NOT_FOUND;
+
+	*custom_value = val;
+	return OAUTH2_ERROR_NONE;
+}
diff --git a/src/oauth2_manager.c b/src/oauth2_manager.c
new file mode 100644
index 0000000..06e377f
--- /dev/null
+++ b/src/oauth2_manager.c
@@ -0,0 +1,1617 @@
+/*
+ * Copyright (c) 2014 - 2015 Samsung Electronics Co., Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include <efl_extension.h>
+#include <system_info.h>
+#include <privilege_checker.h>
+#include <Ecore_X.h>
+
+#include "oauth2_manager.h"
+#include "oauth2_util.h"
+#include "oauth2_private.h"
+
+#define NETWORK_FEATURE "tizen.org/feature/network.internet"
+#define INTERNET_PRIVILEGE "http://tizen.org/privilege/internet"
+
+static void __send_response_to_caller(oauth2_manager_s *mgr_handle);
+static void __convert_tizen_error_to_oauth_error(int tizen_error,
+	char *error_desc, oauth2_response_s **response_handle);
+static void __handle_back_key(void *data, Evas_Object *p, void *info);
+
+OAUTH2_API int
+oauth2_manager_create(oauth2_manager_h *handle)
+{
+	OAUTH2_LOG_I("oauth2_manager_create");
+
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"Null Input");
+
+	oauth2_manager_s *mgr_impl = (oauth2_manager_s *) calloc(1,
+		sizeof(oauth2_manager_s));
+	OAUTH2_RETURN_VAL(mgr_impl, {}, OAUTH2_ERROR_OUT_OF_MEMORY,
+		"Out of memory");
+
+	curl_global_init(CURL_GLOBAL_DEFAULT);
+
+	/* g_type_init(); */
+
+	mgr_impl->parser_handle = json_parser_new();
+	OAUTH2_RETURN_VAL(mgr_impl->parser_handle, { OAUTH2_FREE(mgr_impl); },
+		OAUTH2_ERROR_OUT_OF_MEMORY, "Out of memory");
+
+	mgr_impl->is_active = FALSE;
+
+	*handle = (oauth2_manager_h)mgr_impl;
+	return OAUTH2_ERROR_NONE;
+}
+
+OAUTH2_API int
+oauth2_manager_destroy(oauth2_manager_h handle)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"Null Input");
+
+	OAUTH2_FREE(handle);
+	return OAUTH2_ERROR_NONE;
+}
+
+static bool
+__is_feature_supported(void)
+{
+	bool supported = FALSE;
+	int ret = system_info_get_platform_bool(NETWORK_FEATURE, &supported);
+	OAUTH2_RETURN_VAL(ret == SYSTEM_INFO_ERROR_NONE, {}, false, "network feature support check failed");
+
+	return supported;
+}
+
+static bool
+__check_privilege(void)
+{
+	int ret = privilege_checker_check_privilege(INTERNET_PRIVILEGE);
+	OAUTH2_RETURN_VAL(ret == PRIVILEGE_CHECKER_ERR_NONE, {}, FALSE, "internet privilege check failed");
+
+	return TRUE;
+
+}
+
+static void
+__hide_web_view(oauth2_manager_s *mgr_handle)
+{
+	mgr_handle->is_webview_active = false;
+
+	if (mgr_handle->ewk_view) {
+		ewk_view_stop(mgr_handle->ewk_view);
+		evas_object_hide(mgr_handle->ewk_view);
+		evas_object_hide(mgr_handle->login_win);
+	}
+
+	if (mgr_handle->loading_popup) {
+		evas_object_hide(mgr_handle->loading_popup);
+		mgr_handle->loading_popup = NULL;
+	}
+}
+
+static void
+__reset_all_cb(oauth2_manager_s *mgr_handle)
+{
+	mgr_handle->token_cb = NULL;
+	mgr_handle->grant_cb = NULL;
+	mgr_handle->access_token_cb = NULL;
+	mgr_handle->refresh_cb = NULL;
+	mgr_handle->user_data = NULL;
+	mgr_handle->is_active = FALSE;
+}
+
+static void
+__convert_tizen_error_to_oauth_error(int tizen_error, char *error_desc,
+	oauth2_response_s **response_handle)
+{
+	if (*response_handle == NULL) {
+		*response_handle = (oauth2_response_s *)calloc(1,
+			sizeof(oauth2_response_s));
+		if (*response_handle == NULL) {
+			OAUTH2_LOG_E("Out of memory");
+			return;
+		}
+	}
+
+	(*response_handle)->error = (oauth2_error_s *)calloc(1,
+		sizeof(oauth2_error_s));
+	(*response_handle)->error->error_data = bundle_create();
+
+	char error_code_str[128] = {0,};
+	char error_desc_str[128] = {0,};
+
+	snprintf(error_code_str, 127, "%d", tizen_error);
+	snprintf(error_desc_str, 127, "%s", error_desc);
+
+	bundle_add_str((*response_handle)->error->error_data,
+		OAUTH2_PARAMETER_KEY_ERROR_CODE, error_code_str);
+	bundle_add_str((*response_handle)->error->error_data,
+		OAUTH2_PARAMETER_KEY_ERROR_DESCRIPTION, error_desc_str);
+}
+
+
+static char*
+__get_grant_type(char *grant_type_str)
+{
+	OAUTH2_LOG_I("__get_grant_type");
+	if (!grant_type_str)
+		return NULL;
+
+	char *str_val = NULL;
+	int grant_type = OAUTH2_GRANT_TYPE_AUTH_CODE;
+	sscanf(grant_type_str, "%d", &grant_type);
+
+	if (grant_type < OAUTH2_GRANT_TYPE_AUTH_CODE
+			|| grant_type > OAUTH2_GRANT_TYPE_REFRESH) {
+		OAUTH2_LOG_E("Invalid grant_type [%d]", grant_type);
+		return NULL;
+	} else if (grant_type == OAUTH2_GRANT_TYPE_AUTH_CODE)
+		str_val = OAUTH2_PARAMETER_VAL_GRANT_TYPE_AUTH_CODE;
+	else if (grant_type == OAUTH2_GRANT_TYPE_PASSWORD)
+		str_val = OAUTH2_PARAMETER_VAL_GRANT_TYPE_PASSWORD;
+	else if (grant_type == OAUTH2_GRANT_TYPE_CLIENT_CREDENTIALS)
+		str_val = OAUTH2_PARAMETER_VAL_GRANT_TYPE_CLIENT_CREDENTIALS;
+	else if (grant_type == OAUTH2_GRANT_TYPE_REFRESH)
+		str_val = OAUTH2_PARAMETER_VAL_GRANT_TYPE_REFRESH_TOKEN;
+
+	return str_val;
+}
+
+static char*
+__get_response_type(char *response_type_str)
+{
+	OAUTH2_LOG_I("__get_response_type");
+	if (!response_type_str)
+		return NULL;
+
+	char *str_val = NULL;
+	int response_type = OAUTH2_RESPONSE_TYPE_CODE;
+	sscanf(response_type_str, "%d", &response_type);
+
+	if (response_type < OAUTH2_RESPONSE_TYPE_CODE
+			|| response_type > OAUTH2_RESPONSE_TYPE_TOKEN) {
+		OAUTH2_LOG_E("Invalid response_type [%d]", response_type);
+		return NULL;
+	} else if (response_type == OAUTH2_RESPONSE_TYPE_CODE)
+		str_val = OAUTH2_PARAMETER_VAL_RESPONSE_TYPE_CODE;
+	else if (response_type == OAUTH2_RESPONSE_TYPE_TOKEN)
+		str_val = OAUTH2_PARAMETER_VAL_RESPONSE_TYPE_TOKEN;
+
+	return str_val;
+}
+
+
+static void
+__handle_back_key(void *data, Evas_Object *p, void *info)
+{
+	if (data) {
+		oauth2_manager_s *mgr_handle = (oauth2_manager_s *)data;
+		__convert_tizen_error_to_oauth_error(
+			OAUTH2_ERROR_USER_CANCELLED,
+			"User cancelled the operation",
+			&(mgr_handle->response));
+		__send_response_to_caller(mgr_handle);
+	}
+}
+
+static void
+__send_response_to_caller(oauth2_manager_s *mgr_handle)
+{
+	OAUTH2_LOG_I("__send_response_to_caller start");
+
+	mgr_handle->is_active = FALSE;
+	__hide_web_view(mgr_handle);
+
+	if (mgr_handle->token_cb) {
+		if (mgr_handle->response) {
+			OAUTH2_LOG_I("__send_response_to_caller calling \
+				application cb");
+			(mgr_handle->token_cb)((oauth2_response_h)
+				(mgr_handle->response), mgr_handle->user_data);
+		} else
+			(mgr_handle->token_cb)(NULL, mgr_handle->user_data);
+	} else if (mgr_handle->grant_cb) {
+		if (mgr_handle->response) {
+			(mgr_handle->grant_cb)((oauth2_response_h)
+				(mgr_handle->response), mgr_handle->user_data);
+		} else
+			(mgr_handle->grant_cb)(NULL, mgr_handle->user_data);
+	} else if (mgr_handle->access_token_cb) {
+		if (mgr_handle->response) {
+			(mgr_handle->access_token_cb)((oauth2_response_h)
+				(mgr_handle->response), mgr_handle->user_data);
+		} else {
+			(mgr_handle->access_token_cb)(NULL,
+				mgr_handle->user_data);
+		}
+	} else if (mgr_handle->refresh_cb) {
+		if (mgr_handle->response) {
+			(mgr_handle->refresh_cb)((oauth2_response_h)
+				(mgr_handle->response), mgr_handle->user_data);
+		} else
+			(mgr_handle->refresh_cb)(NULL, mgr_handle->user_data);
+	}
+	__reset_all_cb(mgr_handle);
+
+	eext_object_event_callback_del(mgr_handle->login_win,
+		EEXT_CALLBACK_BACK, __handle_back_key);
+
+	OAUTH2_LOG_I("__send_response_to_caller end");
+	return;
+}
+
+static bool
+__is_auth_grant_request_param(const char *param_key)
+{
+	if (strcmp(param_key, OAUTH2_PARAMETER_KEY_AUTHORIZATION_URL)
+		&& strcmp(param_key, OAUTH2_PARAMETER_KEY_ACCESS_TOKEN_URL)
+		&& strcmp(param_key, OAUTH2_PARAMETER_KEY_REFRESH_TOKEN_URL)
+		&& strcmp(param_key, OAUTH2_PARAMETER_KEY_GRANT_TYPE)
+		&& strcmp(param_key, OAUTH2_PARAMETER_KEY_CLIENT_SECRET)
+		&& strcmp(param_key, OAUTH2_PARAMETER_KEY_CLIENT_AUTH_TYPE))
+		return TRUE;
+
+	return FALSE;
+}
+
+static void
+__request_data_iter_cb(const char *key, const int type,
+	const bundle_keyval_t *kv, void *user_data)
+{
+	if (__is_auth_grant_request_param(key)) {
+		OAUTH2_LOG_I("__is_auth_grant_request_param TRUE");
+
+		char **final_url = (char **)user_data;
+		if (final_url) {
+			char *value = NULL;
+			size_t value_len = 0;
+			bundle_keyval_get_basic_val((bundle_keyval_t *)kv,
+				(void **)&value, &value_len);
+			if (value) {
+				OAUTH2_LOG_I("Appending val=[%s]", value);
+
+				strncat(*final_url, key, strlen(key));
+				strncat(*final_url, "=", 1);
+
+				if (strcmp(key,
+					OAUTH2_PARAMETER_KEY_GRANT_TYPE) == 0)
+					value = __get_grant_type(value);
+				else if (strcmp(key,
+					OAUTH2_PARAMETER_KEY_RESPONSE_TYPE)
+					== 0)
+					value = __get_response_type(value);
+
+				if (value != NULL) {
+					strncat(*final_url, value, strlen(value));
+					strncat(*final_url, "&", 1);
+				}
+			}
+		}
+	}
+}
+
+static char *
+__get_authorization_url(oauth2_request_s *request_impl)
+{
+	OAUTH2_LOG_I("__get_authorization_url");
+
+	if (!request_impl)
+		return NULL;
+
+	char *authorization_url = NULL;
+	bundle_get_str(request_impl->request_data,
+		OAUTH2_PARAMETER_KEY_AUTHORIZATION_URL, &authorization_url);
+	if (!authorization_url) {
+		OAUTH2_LOG_E("Missing mandatory [%s]",
+			OAUTH2_PARAMETER_KEY_AUTHORIZATION_URL);
+		return NULL;
+	}
+
+	char *final_url = (char *) calloc(1, 1024);
+	strncat(final_url, authorization_url, 1023);
+	strncat(final_url, "?", 1023);
+
+	bundle_foreach(request_impl->request_data, __request_data_iter_cb,
+		&final_url);
+
+	if (final_url[strlen(final_url) - 1] == '&')
+		final_url[strlen(final_url) - 1] = '\0';
+	OAUTH2_LOG_I("Final url for auth grant = [%s]", final_url);
+
+	return final_url;
+}
+
+static void
+__exit_back_cb(void *data, Evas_Object *p, void *info)
+{
+	if (data) {
+		oauth2_manager_s *mgr_handle = (oauth2_manager_s *)data;
+		evas_object_hide(mgr_handle->ewk_view);
+		evas_object_hide(mgr_handle->login_win);
+	}
+}
+
+static void
+__append_to_post_data(CURL *curl_handle, char *post_data, const char *key,
+	const char *value, bool append_delim)
+{
+	OAUTH2_LOG_I("__append_to_post_data start");
+
+	char *encoded_key = curl_easy_escape(curl_handle, key, 0);
+	if (encoded_key == NULL) {
+		OAUTH2_LOG_I("curl encoded key null");
+		return;
+	}
+
+	char *encoded_val = curl_easy_escape(curl_handle, value, 0);
+	if (encoded_val == NULL) {
+		OAUTH2_LOG_I("curl encoded value null");
+		return;
+	}
+
+	strncat(post_data, encoded_key, strlen(encoded_key));
+	strncat(post_data, "=", 1);
+	strncat(post_data, encoded_val, strlen(encoded_val));
+	if (append_delim)
+		strncat(post_data, "&", 1);
+	OAUTH2_LOG_I("__append_to_post_data end");
+}
+
+static size_t
+__store_curl_response(void *ptr, size_t size, size_t nmemb, void *data)
+{
+	char **result = (char **)data;
+
+	if (NULL == *result) {
+		*result = calloc(size * nmemb + 1, sizeof(char));
+		OAUTH2_RETURN_VAL(*result, {}, OAUTH2_ERROR_OUT_OF_MEMORY,
+			"Out of memory");
+		memcpy(*result, ptr, size * nmemb);
+	} else {
+		size_t len = strlen(*result);
+		*result = realloc(*result, len + size * nmemb + 1);
+		OAUTH2_RETURN_VAL(*result, {}, OAUTH2_ERROR_OUT_OF_MEMORY,
+			"Out of memory");
+		memcpy(*result + len, ptr, size * nmemb);
+		(*result)[len+size*nmemb] = '\0';
+	}
+	return size * nmemb;
+}
+
+static void
+__iterate_json_response(JsonObject *object, const gchar *member_name,
+	JsonNode *member_node, gpointer user_data)
+{
+	if (object) {
+		bundle *response_bundle = user_data;
+
+		if (json_node_get_node_type(member_node) != JSON_NODE_VALUE)
+			return;
+
+		if (json_node_get_value_type(member_node) == G_TYPE_STRING) {
+			OAUTH2_LOG_I("bundle_add_str with string");
+			if (json_node_get_string(member_node) != NULL)
+				bundle_add_str(response_bundle, member_name,
+					json_node_get_string(member_node));
+		} else if (json_node_get_value_type(member_node)
+			== G_TYPE_INT64) {
+			char int_str[128] = {0,};
+			int int_val = json_node_get_int(member_node);
+			snprintf(int_str, 128, "%d", int_val);
+			OAUTH2_LOG_I("bundle_add_str with int");
+			bundle_add_str(response_bundle, member_name, int_str);
+		}
+	}
+}
+
+static void
+__parse_acc_token_response(const char *response_json,
+	oauth2_response_s **response)
+{
+	OAUTH2_LOG_I("__parse_acc_token_response start=[%s]", response_json);
+
+	if (*response)
+		OAUTH2_FREE(*response);
+
+	oauth2_response_s *response_temp = (oauth2_response_s *)calloc(1,
+		sizeof(oauth2_response_s));
+	if (!response_temp) {
+		OAUTH2_LOG_E("Out of memory");
+		return;
+	}
+	/*
+	 * First find if error key is there, if present only fillup
+	 * oauth2_error_s else fillup oauth2_response_s without
+	 * oauth2_error_s component
+	 */
+
+	JsonParser *parser = json_parser_new();
+	GError *error = NULL;
+	if (json_parser_load_from_data(parser, response_json,
+		strlen(response_json), &error) == FALSE) {
+		OAUTH2_LOG_I("json_parser_load_from_data() failed [%d][%s]",
+			error->code, error->message);
+
+		/*
+		 * Some svc providers (example: GitHub) do not send json
+		 * response, which violates
+		 * http://tools.ietf.org/html/rfc6749#section-4.1.4 and
+		 * http://tools.ietf.org/html/rfc6749#section-5.1
+		 */
+		/* Handling those violations */
+		bundle  *params = NULL;
+		params = bundle_create();
+		int ret = oauth2_util_get_params(response_json, &params);
+		if (ret != OAUTH2_ERROR_NONE && params == NULL) {
+			OAUTH2_LOG_E("Server response parse failed");
+
+			goto CATCH;
+		}
+		response_temp->response_data = params;
+		response_temp->error = NULL;
+		*response = response_temp;
+
+		g_object_unref(parser);
+
+		return;
+	}
+
+	JsonNode *root_node;
+	root_node = json_parser_get_root(parser);
+	if (root_node == NULL) {
+		OAUTH2_LOG_E("json_parser_get_root() failed");
+
+		goto CATCH;
+	}
+
+	JsonObject *root_obj = NULL;
+	root_obj = json_node_get_object((JsonNode *) root_node);
+	if (root_obj == NULL) {
+		OAUTH2_LOG_E("json_node_get_object() failed");
+
+		goto CATCH;
+	}
+
+	if (json_object_has_member(root_obj, OAUTH2_PARAMETER_KEY_ERROR)) {
+		oauth2_error_s *error = (oauth2_error_s *) calloc(1,
+			sizeof(oauth2_error_s));
+		error->error_data = bundle_create();
+
+		json_object_foreach_member(root_obj, __iterate_json_response,
+			error->error_data);
+		response_temp->error = error;
+	} else {
+		OAUTH2_LOG_I("Filling up response struct");
+		response_temp->response_data = bundle_create();
+		json_object_foreach_member(root_obj, __iterate_json_response,
+			response_temp->response_data);
+		response_temp->error = NULL;
+	}
+
+	OAUTH2_LOG_I("__parse_acc_token_response parse finished");
+
+	*response = response_temp;
+    response_temp = NULL;
+
+CATCH:
+	g_object_unref(parser);
+    if (response_temp != NULL)
+        oauth2_response_destroy((oauth2_response_h)response_temp);
+
+	OAUTH2_LOG_I("__parse_acc_token_response end");
+}
+
+static char *
+__curl_post_request(oauth2_manager_s *mgr_handle, const char *url,
+	const char *post_body, int *curl_err, long *http_code)
+{
+	OAUTH2_LOG_I("__curl_post_request start");
+	if (post_body)
+		OAUTH2_LOG_I("__curl_post_request post body=[%s]", post_body);
+
+	curl_easy_setopt(mgr_handle->curl_handle, CURLOPT_URL, url);
+	curl_easy_setopt(mgr_handle->curl_handle, CURLOPT_POSTFIELDS,
+		post_body);
+	char *data = NULL;
+	curl_easy_setopt(mgr_handle->curl_handle, CURLOPT_WRITEDATA, &data);
+	curl_easy_setopt(mgr_handle->curl_handle, CURLOPT_WRITEFUNCTION,
+		__store_curl_response);
+	curl_easy_setopt(mgr_handle->curl_handle, CURLOPT_SSL_VERIFYPEER,
+		FALSE);
+
+	*curl_err = curl_easy_perform(mgr_handle->curl_handle);
+	OAUTH2_LOG_I("Response id curl code=[%d]", *curl_err);
+	if (*curl_err != CURLE_OK) {
+		curl_easy_cleanup(mgr_handle->curl_handle);
+		return NULL;
+	}
+	*http_code = 0;
+	curl_easy_getinfo(mgr_handle->curl_handle, CURLINFO_RESPONSE_CODE,
+		http_code);
+	OAUTH2_LOG_I("Response id curl http_code=[%ld]", *http_code);
+	if (*http_code != 200) {
+		OAUTH2_LOG_I("http_code=[%ld]", *http_code);
+		curl_easy_cleanup(mgr_handle->curl_handle);
+		return NULL;
+	}
+	curl_easy_cleanup(mgr_handle->curl_handle);
+	mgr_handle->curl_handle = NULL;
+
+	OAUTH2_LOG_I("__curl_post_request end");
+
+	return data;
+}
+
+/* It shoud be called after all param adding is done */
+static void
+__add_client_authentication_post_body(oauth2_manager_s *mgr_handle,
+	char **post_body)
+{
+	char *client_secret = NULL;
+	bundle_get_str(mgr_handle->request->request_data,
+		OAUTH2_PARAMETER_KEY_CLIENT_SECRET, &client_secret);
+	if (client_secret) {
+		 __append_to_post_data(mgr_handle->curl_handle, *post_body,
+			OAUTH2_PARAMETER_KEY_CLIENT_SECRET, client_secret,
+			TRUE);
+	}
+
+	char *client_id = NULL;
+	bundle_get_str(mgr_handle->request->request_data,
+		OAUTH2_PARAMETER_KEY_CLIENT_ID, &client_id);
+	__append_to_post_data(mgr_handle->curl_handle, *post_body,
+		OAUTH2_PARAMETER_KEY_CLIENT_ID, client_id, FALSE);
+}
+
+static void
+__add_client_authentication_others(oauth2_manager_s *mgr_handle,
+	long curl_auth_type)
+{
+	OAUTH2_LOG_I("__add_client_authentication_others start");
+
+	curl_easy_setopt(mgr_handle->curl_handle, CURLOPT_HTTPAUTH,
+		curl_auth_type);
+	char *client_secret = NULL;
+	bundle_get_str(mgr_handle->request->request_data,
+		OAUTH2_PARAMETER_KEY_CLIENT_SECRET, &client_secret);
+	if (client_secret) {
+		OAUTH2_LOG_I("__add_client_authentication_others pwd=[%s]",
+			client_secret);
+		curl_easy_setopt(mgr_handle->curl_handle, CURLOPT_PASSWORD,
+			client_secret);
+	}
+
+	char *client_id = NULL;
+	bundle_get_str(mgr_handle->request->request_data,
+		OAUTH2_PARAMETER_KEY_CLIENT_ID, &client_id);
+	if (client_id) {
+		OAUTH2_LOG_I("__add_client_authentication_others user=[%s]",
+			client_id);
+		curl_easy_setopt(mgr_handle->curl_handle, CURLOPT_USERNAME,
+			client_id);
+	}
+	OAUTH2_LOG_I("__add_client_authentication_others end");
+}
+
+static void
+__add_client_authentication(oauth2_manager_s *mgr_handle, char **post_body)
+{
+	OAUTH2_LOG_I("__add_client_authentication start");
+
+	/*
+	 * TODO:
+	 * Default is post-body, but there is no RFC point for the default
+	 */
+	int client_auth_type = OAUTH2_CLIENT_AUTHENTICATION_TYPE_REQUEST_BODY;
+	char *client_auth_type_str = NULL;
+	bundle_get_str(mgr_handle->request->request_data,
+		OAUTH2_PARAMETER_KEY_CLIENT_AUTH_TYPE, &client_auth_type_str);
+	if (client_auth_type_str)
+		sscanf(client_auth_type_str, "%d", &client_auth_type);
+
+	if (client_auth_type == OAUTH2_CLIENT_AUTHENTICATION_TYPE_REQUEST_BODY)
+		__add_client_authentication_post_body(mgr_handle, post_body);
+	else if (client_auth_type == OAUTH2_CLIENT_AUTHENTICATION_TYPE_BASIC)
+		__add_client_authentication_others(mgr_handle, CURLAUTH_BASIC);
+	else if (client_auth_type == OAUTH2_CLIENT_AUTHENTICATION_TYPE_DIGEST)
+		__add_client_authentication_others(mgr_handle, CURLAUTH_DIGEST);
+	else {
+		/*
+		 * TODO: Support for other http auth types
+		 * __add_client_authentication_others(mgr_handle,
+		 *	CURLAUTH_DIGEST);
+		 */
+	}
+	OAUTH2_LOG_I("_add_client_authentication end");
+}
+
+static void
+_request_access_token_by_code(oauth2_manager_s *mgr_handle, const char *code)
+{
+    OAUTH2_LOG_I("_request_access_token_by_code start [%s]", code);
+
+	char *post_body = (char *)calloc(1, 2048);
+	if (post_body == NULL) {
+		OAUTH2_LOG_E("Out of memory");
+		return;
+	}
+
+	mgr_handle->curl_handle = curl_easy_init();
+
+	__append_to_post_data(mgr_handle->curl_handle, post_body,
+		OAUTH2_PARAMETER_KEY_GRANT_TYPE,
+		OAUTH2_PARAMETER_VAL_GRANT_TYPE_AUTH_CODE, TRUE);
+	__append_to_post_data(mgr_handle->curl_handle, post_body,
+		OAUTH2_PARAMETER_KEY_CODE, code, TRUE);
+
+	char *redirect_url = NULL;
+	bundle_get_str(mgr_handle->request->request_data,
+		OAUTH2_PARAMETER_KEY_REDIRECT_URI, &redirect_url);
+	__append_to_post_data(mgr_handle->curl_handle, post_body,
+		OAUTH2_PARAMETER_KEY_REDIRECT_URI, redirect_url, TRUE);
+
+	__add_client_authentication(mgr_handle, &post_body);
+
+	char *token_url = NULL;
+	bundle_get_str(mgr_handle->request->request_data,
+		OAUTH2_PARAMETER_KEY_ACCESS_TOKEN_URL, &token_url);
+
+    OAUTH2_LOG_I("token_url = [%s]", token_url);
+
+	int curl_err = CURLE_OK;
+	long http_code = 200;
+	char *data = __curl_post_request(mgr_handle, token_url, post_body,
+		&curl_err, &http_code);
+
+	if (curl_err == CURLE_OK && http_code == 200 && data != NULL) {
+		__parse_acc_token_response(data, &(mgr_handle->response));
+		__send_response_to_caller(mgr_handle);
+	} else {
+		OAUTH2_LOG_E("curl error=[%d]", http_code);
+		__convert_tizen_error_to_oauth_error(http_code, "Network error",
+			&(mgr_handle->response));
+		__send_response_to_caller(mgr_handle);
+	}
+	OAUTH2_FREE(post_body);
+
+	OAUTH2_LOG_I("_request_access_token_by_code end");
+}
+
+static void
+__request_access_token_for_client_cred(oauth2_manager_s *mgr_handle)
+{
+	mgr_handle->curl_handle = curl_easy_init();
+
+	char *post_body = (char *)calloc(1, 2048);
+	if (post_body == NULL) {
+		OAUTH2_LOG_E("Out of memory");
+		return;
+	}
+
+	__append_to_post_data(mgr_handle->curl_handle, post_body,
+		OAUTH2_PARAMETER_KEY_GRANT_TYPE,
+		OAUTH2_PARAMETER_VAL_GRANT_TYPE_CLIENT_CREDENTIALS, TRUE);
+
+	char *scope = NULL;
+	bundle_get_str(mgr_handle->request->request_data,
+		OAUTH2_PARAMETER_KEY_SCOPE, &scope);
+	if (scope)
+		__append_to_post_data(mgr_handle->curl_handle, post_body,
+			OAUTH2_PARAMETER_KEY_SCOPE, scope, FALSE);
+
+	__add_client_authentication(mgr_handle, &post_body);
+
+	OAUTH2_LOG_I("post_body[strlen(post_body) - 1]=%c",
+		post_body[strlen(post_body) - 1]);
+
+	if (post_body[strlen(post_body) - 1] == '&')
+		post_body[strlen(post_body) - 1] = '\0';
+
+	char *token_url = NULL;
+	bundle_get_str(mgr_handle->request->request_data,
+		OAUTH2_PARAMETER_KEY_ACCESS_TOKEN_URL, &token_url);
+
+	int curl_err = CURLE_OK;
+	long http_code = 200;
+	char *data = __curl_post_request(mgr_handle, token_url, post_body,
+		&curl_err, &http_code);
+
+	if (curl_err == CURLE_OK && http_code == 200 && data != NULL) {
+		__parse_acc_token_response(data, &(mgr_handle->response));
+		__send_response_to_caller(mgr_handle);
+	} else {
+		OAUTH2_LOG_E("curl error=[%d]", http_code);
+		__convert_tizen_error_to_oauth_error(http_code,
+			"Network error", &(mgr_handle->response));
+		__send_response_to_caller(mgr_handle);
+	}
+	OAUTH2_FREE(post_body);
+}
+
+static void
+_request_access_token_for_grant_type_pwd(oauth2_manager_s *mgr_handle)
+{
+	mgr_handle->curl_handle = curl_easy_init();
+
+	char *post_body = (char *)calloc(1, 2048);
+	if (post_body == NULL) {
+		OAUTH2_LOG_E("Out of memory");
+		return;
+	}
+
+	__append_to_post_data(mgr_handle->curl_handle, post_body,
+		OAUTH2_PARAMETER_KEY_GRANT_TYPE,
+		OAUTH2_PARAMETER_VAL_GRANT_TYPE_PASSWORD, TRUE);
+
+	char *user_name = NULL;
+	bundle_get_str(mgr_handle->request->request_data,
+		OAUTH2_PARAMETER_KEY_USER_NAME, &user_name);
+	if (user_name)
+		__append_to_post_data(mgr_handle->curl_handle, post_body,
+			OAUTH2_PARAMETER_KEY_USER_NAME, user_name, TRUE);
+
+	char *password = NULL;
+	bundle_get_str(mgr_handle->request->request_data,
+		OAUTH2_PARAMETER_KEY_PASSWORD, &password);
+	if (password)
+		__append_to_post_data(mgr_handle->curl_handle, post_body,
+			OAUTH2_PARAMETER_KEY_PASSWORD, password, TRUE);
+
+	char *scope = NULL;
+	bundle_get_str(mgr_handle->request->request_data,
+		OAUTH2_PARAMETER_KEY_SCOPE, &scope);
+	if (scope)
+		__append_to_post_data(mgr_handle->curl_handle, post_body,
+			OAUTH2_PARAMETER_KEY_SCOPE, scope, TRUE);
+
+	__add_client_authentication(mgr_handle, &post_body);
+
+	char *token_url = NULL;
+	bundle_get_str(mgr_handle->request->request_data,
+		OAUTH2_PARAMETER_KEY_ACCESS_TOKEN_URL, &token_url);
+
+	int curl_err = CURLE_OK;
+	long http_code = 200;
+	char *data = __curl_post_request(mgr_handle, token_url, post_body,
+		&curl_err, &http_code);
+
+	if (curl_err == CURLE_OK && http_code == 200 && data != NULL) {
+		__parse_acc_token_response(data, &(mgr_handle->response));
+		__send_response_to_caller(mgr_handle);
+	} else {
+		OAUTH2_LOG_E("curl error=[%d]", http_code);
+		__convert_tizen_error_to_oauth_error(http_code, "Network error",
+			&(mgr_handle->response));
+		__send_response_to_caller(mgr_handle);
+	}
+	OAUTH2_FREE(post_body);
+}
+
+static void
+_on_auth_grant_received(oauth2_manager_s *mgr_handle, const char *response_url)
+{
+	int ret = OAUTH2_ERROR_NONE;
+	char *response_type_str = NULL;
+	bundle_get_str(mgr_handle->request->request_data,
+		OAUTH2_PARAMETER_KEY_RESPONSE_TYPE, &response_type_str);
+	char *response_type = __get_response_type(response_type_str);
+	if (!response_type) {
+		mgr_handle->is_active = FALSE;
+
+		OAUTH2_LOG_E("Missing response_type");
+		__convert_tizen_error_to_oauth_error(
+			OAUTH2_ERROR_INVALID_PARAMETER,
+			"Missing response_type in request",
+			&(mgr_handle->response));
+		__send_response_to_caller(mgr_handle);
+
+		return;
+	}
+
+	bundle  *params = NULL;
+	params = bundle_create();
+	bool is_two_step = FALSE;
+	if (strcmp(response_type, OAUTH2_PARAMETER_VAL_RESPONSE_TYPE_CODE)
+		== 0) {
+		char *query = NULL;
+		ret = oauth2_util_get_query(response_url, &query);
+		if (ret != OAUTH2_ERROR_NONE && query == NULL) {
+			__convert_tizen_error_to_oauth_error(
+				OAUTH2_ERROR_SERVER,
+				"Server response does not contain query",
+				&(mgr_handle->response));
+			__send_response_to_caller(mgr_handle);
+
+			bundle_free(params);
+
+			return;
+		}
+
+		ret = oauth2_util_get_params(query, &params);
+		if (ret != OAUTH2_ERROR_NONE && params == NULL) {
+			__convert_tizen_error_to_oauth_error(
+				OAUTH2_ERROR_PARSE_FAILED,
+				"Server response parse failed",
+				&(mgr_handle->response));
+			__send_response_to_caller(mgr_handle);
+			OAUTH2_FREE(query);
+
+			return;
+		}
+
+		/* step 2 */
+		if (mgr_handle->request_func == REQUEST_ACCESS_TOKEN)
+			is_two_step = TRUE;
+
+		OAUTH2_FREE(query);
+
+	} else if (strcmp(response_type,
+		OAUTH2_PARAMETER_VAL_RESPONSE_TYPE_TOKEN) == 0) {
+		char *fragment = NULL;
+		ret = oauth2_util_get_fragment(response_url, &fragment);
+		if (ret != OAUTH2_ERROR_NONE && fragment == NULL) {
+			__convert_tizen_error_to_oauth_error(
+				OAUTH2_ERROR_SERVER,
+				"Server response does not contain fragment",
+				&(mgr_handle->response));
+			__send_response_to_caller(mgr_handle);
+
+			if (params)
+				bundle_free(params);
+
+			return;
+		}
+
+		ret = oauth2_util_get_params(fragment, &params);
+		if (ret != OAUTH2_ERROR_NONE && params == NULL) {
+			__convert_tizen_error_to_oauth_error(
+				OAUTH2_ERROR_PARSE_FAILED,
+				"Server response parse failed",
+				&(mgr_handle->response));
+			__send_response_to_caller(mgr_handle);
+
+			OAUTH2_FREE(fragment);
+
+			return;
+		}
+		OAUTH2_FREE(fragment);
+
+	} else {
+		/* TODO: Handle custom response_type (for eg, Facebook,
+		 * Soundcloud supports "token_and_code") */
+	}
+
+	if (is_two_step) {
+		char *code_val = NULL;
+		bundle_get_str(params, OAUTH2_PARAMETER_KEY_CODE, &code_val);
+		if (!code_val) {
+			OAUTH2_LOG_E("Error in response: [%s] not found",
+				OAUTH2_PARAMETER_KEY_CODE);
+
+			/* Server Error response handling */
+
+			/*
+			 * google sample error: error=access_denied&
+			 * state=security_token%3D138r5719ru3e1%26
+			 * url%3Dhttps://oa2cb.example.com/myHome
+			 */
+
+			if (mgr_handle->response == NULL) {
+				mgr_handle->response = (oauth2_response_s *)
+					calloc(1, sizeof(oauth2_response_s));
+			}
+
+			mgr_handle->response->error = (oauth2_error_s *)
+				calloc(1, sizeof(oauth2_error_s));
+			mgr_handle->response->error->error_data = params;
+
+			__send_response_to_caller(mgr_handle);
+			return;
+		}
+		_request_access_token_by_code(mgr_handle, code_val);
+
+		if (params)
+			bundle_free(params);
+
+	} else {
+		mgr_handle->is_active = FALSE;
+		mgr_handle->response = (oauth2_response_s *)calloc(1,
+			sizeof(oauth2_response_s));
+
+		/* Check if its error response or success resopnse */
+		/*
+		 * FB sample error: YOUR_REDIRECT_URI?error_reason=user_denied&
+		 * error=access_denied&
+		 * error_description=The+user+denied+your+request.
+		 */
+
+		char *error = NULL;
+		char *error_desc = NULL;
+		char *error_uri = NULL;
+
+		bundle_get_str(params, OAUTH2_PARAMETER_KEY_ERROR, &error);
+		bundle_get_str(params, OAUTH2_PARAMETER_KEY_ERROR_DESCRIPTION,
+			&error_desc);
+		bundle_get_str(params, OAUTH2_PARAMETER_KEY_ERROR_URI,
+			&error_uri);
+
+		if (!error && !error_desc && !error_uri) {
+			/* Success */
+			mgr_handle->response->response_data = params;
+		} else {
+			/* Error */
+			mgr_handle->response->error = (oauth2_error_s *)calloc(
+				1, sizeof(oauth2_error_s));
+			mgr_handle->response->error->error_data = params;
+		}
+		__send_response_to_caller(mgr_handle);
+	}
+}
+
+static void
+on_web_url_load_error(void *data, Evas_Object *obj, void *event_info)
+{
+	/* wearable webkit does not have ewk_error defined */
+#ifndef WITHOUT_EWK_ERROR
+	oauth2_manager_s *mgr_handle = data;
+	const Ewk_Error *error = (const Ewk_Error *)event_info;
+
+	if (mgr_handle && mgr_handle->is_webview_active == true
+		&& (ewk_error_code_get(error) != EWK_ERROR_CODE_CANCELED)) {
+		__convert_tizen_error_to_oauth_error(OAUTH2_ERROR_NETWORK_ERROR,
+			"Network Error", &(mgr_handle->response));
+		__send_response_to_caller(mgr_handle);
+	}
+#endif
+}
+
+static void
+on_web_url_load_finished(void *data, Evas_Object *obj, void *event_info)
+{
+	oauth2_manager_s *mgr_handle = data;
+
+	if (mgr_handle->loading_popup) {
+		evas_object_hide(mgr_handle->loading_popup);
+		mgr_handle->loading_popup = NULL;
+	}
+}
+
+static void
+on_web_url_change(void *data, Evas_Object *obj, void *event_info)
+{
+	const char *uri = event_info;
+
+	oauth2_manager_s *mgr_handle = data;
+	char *redirect_uri = NULL;
+	bundle_get_str(mgr_handle->request->request_data,
+		OAUTH2_PARAMETER_KEY_REDIRECT_URI, &redirect_uri);
+
+	if (!g_str_has_prefix(uri, redirect_uri)) {
+		if (mgr_handle->loading_popup == NULL) {
+			mgr_handle->loading_popup = elm_popup_add(mgr_handle->login_win);
+			elm_popup_content_text_wrap_type_set(mgr_handle->loading_popup, ELM_WRAP_MIXED);
+			elm_object_text_set(mgr_handle->loading_popup, OAUTH2_LOADING_POP_UP_TEXT);
+			elm_popup_orient_set(mgr_handle->loading_popup, ELM_POPUP_ORIENT_BOTTOM);
+			evas_object_show(mgr_handle->loading_popup);
+		}
+		return;
+	}
+
+	__hide_web_view(mgr_handle);
+
+	char *oauth_response = strdup(uri);
+	OAUTH2_LOG_I("Response oauth_response=[%s]", oauth_response);
+
+	_on_auth_grant_received(mgr_handle, oauth_response);
+	OAUTH2_FREE(oauth_response);
+}
+
+static int
+__start_auth_grant_request(oauth2_manager_s *mgr_handle)
+{
+	char *authorization_url = __get_authorization_url(mgr_handle->request);
+	if (!authorization_url) {
+		OAUTH2_LOG_E("Failed to form authorization url");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	mgr_handle->login_win = elm_win_util_standard_add("main_win", "");
+	eext_object_event_callback_add(mgr_handle->login_win,
+		EEXT_CALLBACK_BACK, __exit_back_cb, mgr_handle);
+
+	mgr_handle->loading_popup = elm_popup_add(mgr_handle->login_win);
+	elm_popup_content_text_wrap_type_set(mgr_handle->loading_popup, ELM_WRAP_MIXED);
+	elm_object_text_set(mgr_handle->loading_popup, OAUTH2_LOADING_POP_UP_TEXT);
+	elm_popup_orient_set(mgr_handle->loading_popup, ELM_POPUP_ORIENT_BOTTOM);
+
+	ewk_init();
+
+	Evas *canvas = NULL;
+
+	mgr_handle->content_box = elm_box_add(mgr_handle->login_win);
+	elm_box_padding_set(mgr_handle->content_box, 0, 3);
+	evas_object_size_hint_weight_set(mgr_handle->content_box,
+		EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
+	evas_object_size_hint_align_set(mgr_handle->content_box, 0.0, 0.0);
+	evas_object_show(mgr_handle->content_box);
+
+	canvas = evas_object_evas_get(mgr_handle->login_win);
+
+	mgr_handle->ewk_view = ewk_view_add(canvas);
+	if (NULL == mgr_handle->ewk_view) {
+		LOGE("ewk_view_add() failed");
+		__send_response_to_caller(mgr_handle);
+
+		return OAUTH2_ERROR_UNKNOWN;
+	}
+
+	mgr_handle->is_webview_active = true;
+
+	eext_object_event_callback_add(mgr_handle->login_win,
+		EEXT_CALLBACK_BACK, __handle_back_key, mgr_handle);
+
+	ewk_view_url_set(mgr_handle->ewk_view, authorization_url);
+
+	Ecore_X_Screen *screen = ecore_x_default_screen_get();
+	if (screen != NULL) {
+		int w = 0;
+		int h = 0;
+		ecore_x_screen_size_get (screen, &w, &h);
+		LOGI("Screen info = [%d][%d]", w, h);
+
+		evas_object_size_hint_min_set(mgr_handle->ewk_view, w, h);
+	}
+
+	evas_object_size_hint_weight_set(mgr_handle->ewk_view,
+		EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
+	evas_object_size_hint_align_set(mgr_handle->ewk_view,
+		EVAS_HINT_FILL, EVAS_HINT_FILL);
+
+	evas_object_smart_callback_add(mgr_handle->ewk_view, "url,changed",
+		on_web_url_change, mgr_handle);
+	evas_object_smart_callback_add(mgr_handle->ewk_view, "load,error",
+		on_web_url_load_error, mgr_handle);
+	evas_object_smart_callback_add(mgr_handle->ewk_view, "load,finished",
+		on_web_url_load_finished, mgr_handle);
+
+	elm_box_pack_end(mgr_handle->content_box, mgr_handle->ewk_view);
+	evas_object_show(mgr_handle->ewk_view);
+
+	evas_object_show(mgr_handle->login_win);
+
+	evas_object_show(mgr_handle->loading_popup);
+
+	return OAUTH2_ERROR_NONE;
+}
+
+
+OAUTH2_API int
+oauth2_manager_request_token(oauth2_manager_h handle, oauth2_request_h request,
+	oauth2_token_cb callback, void *user_data)
+{
+	OAUTH2_RETURN_VAL(callback, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"callback is Null");
+
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"handle is Null");
+
+	OAUTH2_RETURN_VAL(request, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"request is Null");
+
+	OAUTH2_RETURN_VAL(__is_feature_supported(), {}, OAUTH2_ERROR_NOT_SUPPORTED,
+		"network feature not supported");
+
+	OAUTH2_RETURN_VAL(__check_privilege(), {}, OAUTH2_ERROR_PERMISSION_DENIED,
+		"permission denied, no internet privilege");
+
+	oauth2_manager_s *mgr_impl = (oauth2_manager_s *)handle;
+	OAUTH2_RETURN_VAL(!mgr_impl->is_active, {},
+		OAUTH2_ERROR_ALREADY_IN_PROGRESS, "Already in progress");
+
+	mgr_impl->request = (oauth2_request_s *)request;
+
+	__reset_all_cb(mgr_impl);
+
+	char *redirect_uri = NULL;
+	bundle_get_str(mgr_impl->request->request_data,
+		OAUTH2_PARAMETER_KEY_REDIRECT_URI, &redirect_uri);
+	if (!redirect_uri) {
+		OAUTH2_LOG_E("Missing mandatory field [%s]",
+			OAUTH2_PARAMETER_KEY_REDIRECT_URI);
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	char *grant_type_str = NULL;
+	bundle_get_str(mgr_impl->request->request_data,
+		OAUTH2_PARAMETER_KEY_GRANT_TYPE, &grant_type_str);
+	char *grant_type = __get_grant_type(grant_type_str);
+
+	char *response_type_str = NULL;
+	bundle_get_str(mgr_impl->request->request_data,
+		OAUTH2_PARAMETER_KEY_RESPONSE_TYPE, &response_type_str);
+	char *response_type = __get_response_type(response_type_str);
+
+	if (!grant_type && !response_type) {
+		OAUTH2_LOG_E("[%s] or [%s] must be specified",
+			OAUTH2_PARAMETER_KEY_GRANT_TYPE,
+			OAUTH2_PARAMETER_KEY_RESPONSE_TYPE);
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	mgr_impl->token_cb = callback;
+	mgr_impl->user_data = user_data;
+
+	mgr_impl->is_active = TRUE;
+
+	/* For authorization code and implicit, response_type is mentioned */
+	if (response_type) {
+		if (!strcmp(response_type,
+			OAUTH2_PARAMETER_VAL_RESPONSE_TYPE_CODE) ||
+			!strcmp(response_type,
+			OAUTH2_PARAMETER_VAL_RESPONSE_TYPE_TOKEN)) {
+			mgr_impl->request_func = REQUEST_ACCESS_TOKEN;
+			int ret = __start_auth_grant_request(mgr_impl);
+			if (ret != OAUTH2_ERROR_NONE) {
+				__reset_all_cb(mgr_impl);
+				return ret;
+			}
+			return OAUTH2_ERROR_NONE;
+		}
+	}
+	/*
+	 * For resource owner pwd and client credentials, grant_type
+	 * is mentioned
+	 */
+	else {
+		/*
+		 * Here authorization grant handling is out of oauth 2.0 RFC, so
+		 * unless a custom auth grant handler is set, we will proceed
+		 * with access token request directly
+		 */
+		if (!strcmp(grant_type,
+			OAUTH2_PARAMETER_VAL_GRANT_TYPE_PASSWORD) ||
+			!strcmp(grant_type,
+			OAUTH2_PARAMETER_VAL_GRANT_TYPE_CLIENT_CREDENTIALS)) {
+			/* For pwd: grant_type, username, password, scope */
+			if (!strcmp(grant_type,
+				OAUTH2_PARAMETER_VAL_GRANT_TYPE_PASSWORD)) {
+				_request_access_token_for_grant_type_pwd(
+					mgr_impl);
+			} else {
+				/*For client cred: grant_type, scope */
+				__request_access_token_for_client_cred(
+					mgr_impl);
+			}
+
+			/* _request_access_token() */
+			return OAUTH2_ERROR_NONE;
+		} else {
+			/*
+			 * TODO:
+			 * TBD, extension grant_type / response_type support
+			 */
+			return OAUTH2_ERROR_NOT_SUPPORTED;
+		}
+	}
+
+	/* TODO: TBD, extension grant_type / response_type support */
+	return OAUTH2_ERROR_NOT_SUPPORTED;
+}
+
+OAUTH2_API int
+oauth2_manager_request_authorization_grant(oauth2_manager_h handle,
+	oauth2_request_h request, oauth2_auth_grant_cb callback,
+	void *user_data)
+{
+	OAUTH2_RETURN_VAL(callback, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"callback is Null");
+
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"handle is Null");
+
+	OAUTH2_RETURN_VAL(request, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"request is Null");
+
+	OAUTH2_RETURN_VAL(__is_feature_supported(), {}, OAUTH2_ERROR_NOT_SUPPORTED,
+		"network feature not supported");
+
+	OAUTH2_RETURN_VAL(__check_privilege(), {}, OAUTH2_ERROR_PERMISSION_DENIED,
+		"permission denied, no internet privilege");
+
+	oauth2_manager_s *mgr_impl = (oauth2_manager_s *)handle;
+	OAUTH2_RETURN_VAL(!mgr_impl->is_active, {},
+		OAUTH2_ERROR_ALREADY_IN_PROGRESS, "Already in progress");
+
+	mgr_impl->request = (oauth2_request_s *)request;
+
+	__reset_all_cb(mgr_impl);
+
+	char *redirect_uri = NULL;
+	bundle_get_str(mgr_impl->request->request_data,
+		OAUTH2_PARAMETER_KEY_REDIRECT_URI, &redirect_uri);
+	if (!redirect_uri) {
+		OAUTH2_LOG_E("Missing mandatory field [%s]",
+			OAUTH2_PARAMETER_KEY_REDIRECT_URI);
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	char *grant_type_str = NULL;
+	bundle_get_str(mgr_impl->request->request_data,
+		OAUTH2_PARAMETER_KEY_GRANT_TYPE, &grant_type_str);
+	char *grant_type = __get_grant_type(grant_type_str);
+
+	char *response_type_str = NULL;
+	bundle_get_str(mgr_impl->request->request_data,
+		OAUTH2_PARAMETER_KEY_RESPONSE_TYPE, &response_type_str);
+	char *response_type = __get_response_type(response_type_str);
+
+	if (!grant_type && !response_type) {
+		OAUTH2_LOG_E("[%s] or [%s] must be specified",
+			OAUTH2_PARAMETER_KEY_GRANT_TYPE,
+			OAUTH2_PARAMETER_KEY_RESPONSE_TYPE);
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	mgr_impl->grant_cb = callback;
+	mgr_impl->user_data = user_data;
+
+	mgr_impl->is_active = TRUE;
+
+	/* For authorization code and implicit, response_type is mentioned */
+	if (response_type) {
+		if (!strcmp(response_type,
+			OAUTH2_PARAMETER_VAL_RESPONSE_TYPE_CODE) ||
+			!strcmp(response_type,
+			OAUTH2_PARAMETER_VAL_RESPONSE_TYPE_TOKEN)) {
+			mgr_impl->request_func = REQUEST_AUTHORIZATION_CODE;
+			int ret = __start_auth_grant_request(mgr_impl);
+			if (ret != OAUTH2_ERROR_NONE) {
+				__reset_all_cb(mgr_impl);
+				return ret;
+			}
+			return OAUTH2_ERROR_NONE;
+		}
+	} else if (!strcmp(grant_type, OAUTH2_PARAMETER_VAL_GRANT_TYPE_PASSWORD)
+		|| !strcmp(grant_type,
+		OAUTH2_PARAMETER_VAL_GRANT_TYPE_CLIENT_CREDENTIALS)) {
+		/*
+		 * No additional grant request needed as per RFC
+		 * (http://tools.ietf.org/html/rfc6749#section-4.3.1 and
+		 * http://tools.ietf.org/html/rfc6749#section-4.4.1)
+		 */
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	/* TODO: TBD, extension grant_type / response_type support */
+	return OAUTH2_ERROR_NOT_SUPPORTED;
+}
+
+OAUTH2_API int
+oauth2_manager_request_access_token(oauth2_manager_h handle,
+	oauth2_request_h request, oauth2_access_token_cb callback,
+	void *user_data)
+{
+	OAUTH2_RETURN_VAL(callback, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"callback is Null");
+
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"handle is Null");
+
+	OAUTH2_RETURN_VAL(request, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"request is Null");
+
+	OAUTH2_RETURN_VAL(__is_feature_supported(), {}, OAUTH2_ERROR_NOT_SUPPORTED,
+		"network feature not supported");
+
+	OAUTH2_RETURN_VAL(__check_privilege(), {}, OAUTH2_ERROR_PERMISSION_DENIED,
+		"permission denied, no internet privilege");
+
+	oauth2_manager_s *mgr_impl = (oauth2_manager_s *)handle;
+	OAUTH2_RETURN_VAL(!mgr_impl->is_active, {},
+		OAUTH2_ERROR_ALREADY_IN_PROGRESS, "Already in progress");
+
+	mgr_impl->request = (oauth2_request_s *)request;
+
+	__reset_all_cb(mgr_impl);
+
+	char *response_type_str = NULL;
+	bundle_get_str(mgr_impl->request->request_data,
+		OAUTH2_PARAMETER_KEY_RESPONSE_TYPE, &response_type_str);
+	char *response_type = __get_response_type(response_type_str);
+	if (response_type) {
+		if (!strcmp(response_type,
+			OAUTH2_PARAMETER_VAL_RESPONSE_TYPE_TOKEN)) {
+			OAUTH2_LOG_E("Obtain token directly with authorization \
+				grant for implicit type");
+			return OAUTH2_ERROR_INVALID_PARAMETER;
+		}
+	}
+
+	char *grant_type_str = NULL;
+	bundle_get_str(mgr_impl->request->request_data,
+		OAUTH2_PARAMETER_KEY_GRANT_TYPE, &grant_type_str);
+	char *grant_type = __get_grant_type(grant_type_str);
+
+	if (!grant_type) {
+		OAUTH2_LOG_E("[%s] must be specified",
+			OAUTH2_PARAMETER_KEY_GRANT_TYPE);
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	mgr_impl->access_token_cb = callback;
+	mgr_impl->user_data = user_data;
+
+	mgr_impl->is_active = TRUE;
+
+	if (!strcmp(grant_type, OAUTH2_PARAMETER_VAL_GRANT_TYPE_AUTH_CODE)) {
+		char *code = NULL;
+		bundle_get_str(mgr_impl->request->request_data,
+			OAUTH2_PARAMETER_KEY_CODE, &code);
+		if (code) {
+			_request_access_token_by_code(mgr_impl, code);
+			return OAUTH2_ERROR_NONE;
+		}
+
+	} else {
+		/*
+		 * For resource owner pwd and client credentials, grant_type
+		 * is mentioned
+		 */
+
+		/*
+		 * Here authorization grant handling is out of oauth 2.0 RFC, so
+		 * unless a custom auth grant handler is set, we will proceed
+		 * with access token request directly
+		 */
+		if (!strcmp(grant_type,
+			OAUTH2_PARAMETER_VAL_GRANT_TYPE_PASSWORD) ||
+			!strcmp(grant_type,
+			OAUTH2_PARAMETER_VAL_GRANT_TYPE_CLIENT_CREDENTIALS)) {
+			/* For pwd: grant_type, username, password, scope */
+			if (!strcmp(grant_type,
+				OAUTH2_PARAMETER_VAL_GRANT_TYPE_PASSWORD)) {
+				_request_access_token_for_grant_type_pwd(
+					mgr_impl);
+			} else {
+				/* For client cred: grant_type, scope */
+				__request_access_token_for_client_cred(
+					mgr_impl);
+			}
+
+			/* _request_access_token() */
+			return OAUTH2_ERROR_NONE;
+		} else {
+			/*
+			 * TODO:
+			 * TBD, extension grant_type / response_type support
+			 */
+			return OAUTH2_ERROR_NOT_SUPPORTED;
+		}
+	}
+
+	return OAUTH2_ERROR_NOT_SUPPORTED;
+}
+
+static void
+_request_refresh_token(oauth2_manager_s *mgr_impl)
+{
+	char *refresh_uri = NULL;
+	bundle_get_str(mgr_impl->request->request_data,
+		OAUTH2_PARAMETER_KEY_REFRESH_TOKEN_URL, &refresh_uri);
+
+	char *refresh_token_input = NULL;
+	bundle_get_str(mgr_impl->request->request_data,
+		OAUTH2_PARAMETER_KEY_REFRESH_TOKEN, &refresh_token_input);
+
+	char *scope = NULL;
+	bundle_get_str(mgr_impl->request->request_data,
+		OAUTH2_PARAMETER_KEY_SCOPE, &scope);
+
+	char *post_body = (char *)calloc(1, 2048);
+	if (post_body == NULL) {
+		OAUTH2_LOG_E("Out of memory");
+		OAUTH2_FREE(refresh_uri);
+		OAUTH2_FREE(refresh_token_input);
+		OAUTH2_FREE(scope);
+		return;
+	}
+
+	mgr_impl->curl_handle = curl_easy_init();
+
+	__append_to_post_data(mgr_impl->curl_handle, post_body,
+		OAUTH2_PARAMETER_KEY_GRANT_TYPE,
+		OAUTH2_PARAMETER_VAL_GRANT_TYPE_REFRESH_TOKEN, TRUE);
+	__append_to_post_data(mgr_impl->curl_handle, post_body,
+		OAUTH2_PARAMETER_KEY_REFRESH_TOKEN, refresh_token_input, TRUE);
+	if (scope) {
+		__append_to_post_data(mgr_impl->curl_handle, post_body,
+			OAUTH2_PARAMETER_KEY_SCOPE, scope, TRUE);
+	}
+
+	__add_client_authentication(mgr_impl, &post_body);
+
+	int curl_err = CURLE_OK;
+	long http_code = 200;
+	char *data = __curl_post_request(mgr_impl, refresh_uri, post_body,
+		&curl_err, &http_code);
+
+	if (curl_err == CURLE_OK && http_code == 200 && data != NULL) {
+		__parse_acc_token_response(data, &(mgr_impl->response));
+		__send_response_to_caller(mgr_impl);
+	} else {
+		/* TODO __convert_tizen_error_to_oauth_error */
+		OAUTH2_LOG_E("curl error=[%d]", http_code);
+		__convert_tizen_error_to_oauth_error(http_code, "Network error",
+			&(mgr_impl->response));
+		__send_response_to_caller(mgr_impl);
+	}
+	OAUTH2_FREE(post_body);
+}
+
+OAUTH2_API int
+oauth2_manager_refresh_access_token(oauth2_manager_h handle,
+	oauth2_request_h request, oauth2_refresh_token_cb callback,
+	void *user_data)
+{
+	OAUTH2_RETURN_VAL(callback, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"callback is Null");
+
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"handle is Null");
+
+	OAUTH2_RETURN_VAL(request, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"request is Null");
+
+	OAUTH2_RETURN_VAL(__is_feature_supported(), {}, OAUTH2_ERROR_NOT_SUPPORTED,
+		"network feature not supported");
+
+	OAUTH2_RETURN_VAL(__check_privilege(), {}, OAUTH2_ERROR_PERMISSION_DENIED,
+		"permission denied, no internet privilege");
+
+	oauth2_manager_s *mgr_impl = (oauth2_manager_s *)handle;
+	OAUTH2_RETURN_VAL(!mgr_impl->is_active, {},
+		OAUTH2_ERROR_ALREADY_IN_PROGRESS, "Already in progress");
+
+	mgr_impl->request = (oauth2_request_s *)request;
+
+	__reset_all_cb(mgr_impl);
+
+	mgr_impl->refresh_cb = callback;
+
+	char *refresh_uri = NULL;
+	bundle_get_str(mgr_impl->request->request_data,
+		OAUTH2_PARAMETER_KEY_REFRESH_TOKEN_URL, &refresh_uri);
+	if (!refresh_uri) {
+		OAUTH2_LOG_E("Missing mandatory field [%s]",
+			OAUTH2_PARAMETER_KEY_REFRESH_TOKEN_URL);
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	char *grant_type_str = NULL;
+	bundle_get_str(mgr_impl->request->request_data,
+		OAUTH2_PARAMETER_KEY_GRANT_TYPE, &grant_type_str);
+	char *grant_type = __get_grant_type(grant_type_str);
+
+	if (!grant_type) {
+		OAUTH2_LOG_E("Missing mandatory field [%s]",
+			OAUTH2_PARAMETER_KEY_GRANT_TYPE);
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	char *refresh_token_input = NULL;
+	bundle_get_str(mgr_impl->request->request_data,
+		OAUTH2_PARAMETER_KEY_REFRESH_TOKEN, &refresh_token_input);
+	if (!refresh_token_input) {
+		OAUTH2_LOG_E("Missing mandatory field [%s]",
+			OAUTH2_PARAMETER_KEY_REFRESH_TOKEN);
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	OAUTH2_LOG_I("refresh token request start");
+
+	_request_refresh_token(mgr_impl);
+
+	return OAUTH2_ERROR_NONE;
+}
+
+OAUTH2_API bool
+oauth2_manager_is_request_in_progress(oauth2_manager_h handle)
+{
+	OAUTH2_RETURN_VAL(handle, {}, FALSE, "handle is Null");
+
+	return ((oauth2_manager_s *)handle)->is_active;
+}
+
+OAUTH2_API int
+oauth2_manager_clear_cookies(oauth2_manager_h handle)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"handle is Null");
+
+	OAUTH2_RETURN_VAL(__is_feature_supported(), {}, OAUTH2_ERROR_NOT_SUPPORTED,
+		"network feature not supported");
+
+	OAUTH2_RETURN_VAL(__check_privilege(), {}, OAUTH2_ERROR_PERMISSION_DENIED,
+		"permission denied, no internet privilege");
+
+	oauth2_manager_s *mgr_impl = (oauth2_manager_s *)handle;
+
+	Evas_Object *web_view = mgr_impl->ewk_view;
+	if (web_view == NULL) {
+		/*
+		 * Its possible to call clear_cookies without any prior calls to
+		 *  request APIs, for these cases we need to add dummy web view
+		 */
+		Evas *canvas = evas_object_evas_get(mgr_impl->login_win);
+		if (canvas)
+			web_view = ewk_view_add(canvas);
+		else
+			return OAUTH2_ERROR_UNKNOWN;
+	}
+
+	Ewk_Context *ewk_ctx = ewk_view_context_get(web_view);
+	if (ewk_ctx) {
+		Ewk_Cookie_Manager *cookie_mgr =
+			ewk_context_cookie_manager_get(ewk_ctx);
+		if (cookie_mgr)
+			ewk_cookie_manager_cookies_clear(cookie_mgr);
+		else
+			return OAUTH2_ERROR_UNKNOWN;
+	} else
+		return OAUTH2_ERROR_UNKNOWN;
+
+	return OAUTH2_ERROR_NONE;
+}
+
+OAUTH2_API int
+oauth2_manager_clear_cache(oauth2_manager_h handle)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"handle is Null");
+
+	OAUTH2_RETURN_VAL(__is_feature_supported(), {}, OAUTH2_ERROR_NOT_SUPPORTED,
+		"network feature not supported");
+
+	OAUTH2_RETURN_VAL(__check_privilege(), {}, OAUTH2_ERROR_PERMISSION_DENIED,
+		"permission denied, no internet privilege");
+
+	oauth2_manager_s *mgr_impl = (oauth2_manager_s *)handle;
+
+	Evas_Object *web_view = mgr_impl->ewk_view;
+	if (web_view == NULL) {
+		/*
+		 * Its possible to call clear_cookies without any prior calls to
+		 * request APIs, for these cases we need to add dummy web view
+		 */
+		Evas *canvas = evas_object_evas_get(mgr_impl->login_win);
+		if (canvas)
+			web_view = ewk_view_add(canvas);
+		else
+			return OAUTH2_ERROR_UNKNOWN;
+	}
+
+	Ewk_Context *ewk_ctx = ewk_view_context_get(web_view);
+	if (ewk_ctx)
+		ewk_context_resource_cache_clear(ewk_ctx);
+	else
+		return OAUTH2_ERROR_UNKNOWN;
+
+	return OAUTH2_ERROR_NONE;
+}
diff --git a/src/oauth2_private.h b/src/oauth2_private.h
new file mode 100644
index 0000000..3ee9d72
--- /dev/null
+++ b/src/oauth2_private.h
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 2014 - 2015 Samsung Electronics Co., Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#ifndef OAUTH2_PRIVATE_H_
+#define OAUTH2_PRIVATE_H_
+
+#include <stdbool.h>
+#include <bundle.h>
+#include <curl/curl.h>
+
+#ifdef WITH_CHROMIUM
+#include <ewk_chromium.h>
+#else
+#include <EWebKit.h>
+#include <ewk_view.h>
+#endif
+
+#include <json-glib/json-glib.h>
+#include "oauth2_manager.h"
+
+#define OAUTH2_PARAMETER_VAL_GRANT_TYPE_AUTH_CODE	"authorization_code"
+
+#define OAUTH2_PARAMETER_VAL_GRANT_TYPE_PASSWORD	"password"
+
+#define OAUTH2_PARAMETER_VAL_GRANT_TYPE_CLIENT_CREDENTIALS "client_credentials"
+
+#define OAUTH2_PARAMETER_VAL_GRANT_TYPE_REFRESH_TOKEN	"refresh_token"
+
+#define OAUTH2_PARAMETER_VAL_RESPONSE_TYPE_CODE		"code"
+
+#define OAUTH2_PARAMETER_VAL_RESPONSE_TYPE_TOKEN	"token"
+
+#define OAUTH2_PARAMETER_KEY_AUTHORIZATION_URL		"auth_url"
+
+#define OAUTH2_PARAMETER_KEY_ACCESS_TOKEN_URL		"token_url"
+
+#define OAUTH2_PARAMETER_KEY_REFRESH_TOKEN_URL		"refresh_token_url"
+
+#define OAUTH2_PARAMETER_KEY_CLIENT_ID			"client_id"
+
+#define OAUTH2_PARAMETER_KEY_CLIENT_SECRET		"client_secret"
+
+#define OAUTH2_PARAMETER_KEY_CLIENT_AUTH_TYPE		"client_auth_type"
+
+#define OAUTH2_PARAMETER_KEY_RESPONSE_TYPE		"response_type"
+
+#define OAUTH2_PARAMETER_KEY_REDIRECT_URI		"redirect_uri"
+
+#define OAUTH2_PARAMETER_KEY_SCOPE			"scope"
+
+#define OAUTH2_PARAMETER_KEY_STATE			"state"
+
+#define OAUTH2_PARAMETER_KEY_CODE			"code"
+
+#define OAUTH2_PARAMETER_KEY_ERROR			"error"
+
+#define OAUTH2_PARAMETER_KEY_ERROR_CODE			"error"
+
+#define OAUTH2_PARAMETER_KEY_ERROR_DESCRIPTION		"error_description"
+
+#define OAUTH2_PARAMETER_KEY_ERROR_URI			"error_uri"
+
+#define OAUTH2_PARAMETER_KEY_ERROR_CODE_PLATFORM	"error_code_platform"
+
+#define OAUTH2_PARAMETER_KEY_GRANT_TYPE			"grant_type"
+
+#define OAUTH2_PARAMETER_KEY_ACCESS_TOKEN		"access_token"
+
+#define OAUTH2_PARAMETER_KEY_TOKEN_TYPE			"token_type"
+
+#define OAUTH2_PARAMETER_KEY_EXPIRES_IN			"expires_in"
+
+#define OAUTH2_PARAMETER_KEY_USER_NAME			"username"
+
+#define OAUTH2_PARAMETER_KEY_PASSWORD			"password"
+
+#define OAUTH2_PARAMETER_KEY_REFRESH_TOKEN		"refresh_token"
+
+#define OAUTH2_LOADING_POP_UP_TEXT			"Loading..."
+
+typedef enum{
+	REQUEST_ACCESS_TOKEN = 1,
+	REQUEST_AUTHORIZATION_CODE
+} _oauth_request_function;
+
+typedef struct _oauth2_request_s
+{
+	bundle *request_data;
+}oauth2_request_s;
+
+typedef struct _oauth2_error_s
+{
+	bundle *error_data;
+}oauth2_error_s;
+
+typedef struct _oauth2_response_s
+{
+	oauth2_error_s *error;
+	bundle *response_data;
+}oauth2_response_s;
+
+typedef struct _oauth2_manager_s
+{
+	oauth2_request_s *request;
+	Evas_Object *login_win;
+	Evas_Object *content_box;
+	Evas_Object *ewk_view;
+	Evas_Object *loading_popup;
+	CURL *curl_handle;
+	JsonParser *parser_handle;
+	oauth2_response_s *response;
+	_oauth_request_function request_func;
+	bool is_active;
+
+/* callbacks */
+	oauth2_token_cb token_cb;
+	oauth2_auth_grant_cb grant_cb;
+	oauth2_access_token_cb access_token_cb;
+	oauth2_refresh_token_cb refresh_cb;
+	void *user_data;
+	void *temp_data;
+	bool is_webview_active;
+}oauth2_manager_s;
+
+int _oauth2_response_create(oauth2_response_s **response);
+
+#endif /* OAUTH2_PRIVATE_H_ */
diff --git a/src/oauth2_request.c b/src/oauth2_request.c
new file mode 100644
index 0000000..4d5f849
--- /dev/null
+++ b/src/oauth2_request.c
@@ -0,0 +1,711 @@
+/*
+ * Copyright (c) 2014 - 2015 Samsung Electronics Co., Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include "oauth2_request.h"
+#include "oauth2_private.h"
+#include "oauth2_util.h"
+
+OAUTH2_API int
+oauth2_request_create(oauth2_request_h *handle)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_request_s *req_impl = (oauth2_request_s *) calloc(1,
+		sizeof(oauth2_request_s));
+	if (!req_impl) {
+		OAUTH2_LOG_E("Out of memory");
+		return OAUTH2_ERROR_OUT_OF_MEMORY;
+	}
+
+	req_impl->request_data = bundle_create();
+	if (!req_impl->request_data) {
+		OAUTH2_LOG_E("Out of memory");
+		OAUTH2_FREE(req_impl);
+		return OAUTH2_ERROR_OUT_OF_MEMORY;
+	}
+
+	*handle = (oauth2_request_h)req_impl;
+
+	return OAUTH2_ERROR_NONE;
+}
+
+OAUTH2_API int
+oauth2_request_destroy(oauth2_request_h handle)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_request_s *req_impl = (oauth2_request_s *) handle;
+	if (!req_impl) {
+		OAUTH2_LOG_E("NULL handle");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	if (req_impl->request_data)
+		bundle_free(req_impl->request_data);
+
+	OAUTH2_FREE(req_impl);
+	handle = NULL;
+
+	return OAUTH2_ERROR_NONE;
+}
+
+OAUTH2_API int
+oauth2_request_set_auth_end_point_url(oauth2_request_h handle, const char *url)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_request_s *req_impl = (oauth2_request_s *)handle;
+	if (!req_impl) {
+		OAUTH2_LOG_E("Null Input");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	if (!req_impl->request_data) {
+		OAUTH2_LOG_E("oauth2_request_h must be created first.");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	return bundle_add_str(req_impl->request_data,
+		OAUTH2_PARAMETER_KEY_AUTHORIZATION_URL, url);
+}
+
+OAUTH2_API int
+oauth2_request_set_token_end_point_url(oauth2_request_h handle, const char *url)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_request_s *req_impl = (oauth2_request_s *)handle;
+	if (!req_impl) {
+		OAUTH2_LOG_E("Null Input");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	if (!req_impl->request_data) {
+		OAUTH2_LOG_E("oauth2_request_h must be created first.");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	return bundle_add_str(req_impl->request_data,
+		OAUTH2_PARAMETER_KEY_ACCESS_TOKEN_URL, url);
+}
+
+OAUTH2_API int
+oauth2_request_set_redirection_url(oauth2_request_h handle, const char *url)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_request_s *req_impl = (oauth2_request_s *)handle;
+	if (!req_impl) {
+		OAUTH2_LOG_E("Null Input");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	if (!req_impl->request_data) {
+		OAUTH2_LOG_E("oauth2_request_h must be created first.");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	return bundle_add_str(req_impl->request_data,
+		OAUTH2_PARAMETER_KEY_REDIRECT_URI, url);
+}
+
+OAUTH2_API int
+oauth2_request_set_refresh_token_url(oauth2_request_h handle, const char *url)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_request_s *req_impl = (oauth2_request_s *)handle;
+	if (!req_impl) {
+		OAUTH2_LOG_E("Null Input");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	if (!req_impl->request_data) {
+		OAUTH2_LOG_E("oauth2_request_h must be created first.");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	return bundle_add_str(req_impl->request_data,
+		OAUTH2_PARAMETER_KEY_REFRESH_TOKEN_URL, url);
+}
+
+OAUTH2_API int
+oauth2_request_set_refresh_token(oauth2_request_h handle, char *refresh_token)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+	oauth2_request_s *req_impl = (oauth2_request_s *)handle;
+	if (!req_impl) {
+		OAUTH2_LOG_E("Null Input");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	if (!req_impl->request_data) {
+		OAUTH2_LOG_E("oauth2_request_h must be created first.");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	return bundle_add_str(req_impl->request_data,
+		OAUTH2_PARAMETER_KEY_REFRESH_TOKEN, refresh_token);
+}
+
+OAUTH2_API int
+oauth2_request_set_response_type(oauth2_request_h handle,
+	oauth2_response_type_e response_type)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	if (response_type < OAUTH2_RESPONSE_TYPE_CODE
+			|| response_type > OAUTH2_RESPONSE_TYPE_TOKEN) {
+		OAUTH2_LOG_E("Invalid response_type [%d]", response_type);
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	oauth2_request_s *req_impl = (oauth2_request_s *)handle;
+	if (!req_impl) {
+		OAUTH2_LOG_E("Null Input");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	if (!req_impl->request_data) {
+		OAUTH2_LOG_E("oauth2_request_h must be created first.");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	char response_type_str[128] = {0,};
+	snprintf(response_type_str, 127, "%d", response_type);
+	return bundle_add_str(req_impl->request_data,
+		OAUTH2_PARAMETER_KEY_RESPONSE_TYPE, response_type_str);
+}
+
+OAUTH2_API int
+oauth2_request_set_client_id(oauth2_request_h handle, const char *client_id)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_request_s *req_impl = (oauth2_request_s *)handle;
+	if (!req_impl) {
+		OAUTH2_LOG_E("Null Input");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	if (!req_impl->request_data) {
+		OAUTH2_LOG_E("oauth2_request_h must be created first.");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	return bundle_add_str(req_impl->request_data,
+		OAUTH2_PARAMETER_KEY_CLIENT_ID, client_id);
+}
+
+OAUTH2_API int
+oauth2_request_set_client_secret(oauth2_request_h handle,
+	const char *client_secret)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_request_s *req_impl = (oauth2_request_s *)handle;
+	if (!req_impl) {
+		OAUTH2_LOG_E("Null Input");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	if (!req_impl->request_data) {
+		OAUTH2_LOG_E("oauth2_request_h must be created first.");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	return bundle_add_str(req_impl->request_data,
+		OAUTH2_PARAMETER_KEY_CLIENT_SECRET, client_secret);
+}
+
+OAUTH2_API int
+oauth2_request_set_client_authentication_type(oauth2_request_h handle,
+	oauth2_client_authentication_type_e client_auth_type)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	if (client_auth_type < OAUTH2_CLIENT_AUTHENTICATION_TYPE_BASIC
+		|| client_auth_type > OAUTH2_CLIENT_AUTHENTICATION_TYPE_REQUEST_BODY) {
+		OAUTH2_LOG_E("Invalid client_auth_type [%d]", client_auth_type);
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	oauth2_request_s *req_impl = (oauth2_request_s *)handle;
+	if (!req_impl) {
+		OAUTH2_LOG_E("Null Input");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	if (!req_impl->request_data) {
+		OAUTH2_LOG_E("oauth2_request_h must be created first.");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	char client_auth_type_str[128] = {0,};
+	snprintf(client_auth_type_str, 127, "%d", client_auth_type);
+	return bundle_add_str(req_impl->request_data,
+		OAUTH2_PARAMETER_KEY_CLIENT_AUTH_TYPE, client_auth_type_str);
+}
+
+OAUTH2_API int
+oauth2_request_set_scope(oauth2_request_h handle, const char *scope)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_request_s *req_impl = (oauth2_request_s *)handle;
+	if (!req_impl) {
+		OAUTH2_LOG_E("Null Input");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	if (!req_impl->request_data) {
+		OAUTH2_LOG_E("oauth2_request_h must be created first.");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	return bundle_add_str(req_impl->request_data,
+		OAUTH2_PARAMETER_KEY_SCOPE, scope);
+}
+
+OAUTH2_API int
+oauth2_request_set_state(oauth2_request_h handle, const char *state)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_request_s *req_impl = (oauth2_request_s *)handle;
+	if (!req_impl) {
+		OAUTH2_LOG_E("Null Input");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	if (!req_impl->request_data) {
+		OAUTH2_LOG_E("oauth2_request_h must be created first.");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	return bundle_add_str(req_impl->request_data,
+		OAUTH2_PARAMETER_KEY_STATE, state);
+}
+
+OAUTH2_API int
+oauth2_request_set_grant_type(oauth2_request_h handle,
+	oauth2_grant_type_e grant_type)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	if (grant_type < OAUTH2_GRANT_TYPE_AUTH_CODE
+			|| grant_type > OAUTH2_GRANT_TYPE_REFRESH) {
+		OAUTH2_LOG_E("Invalid grant_type [%d]", grant_type);
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	oauth2_request_s *req_impl = (oauth2_request_s *)handle;
+	if (!req_impl) {
+		OAUTH2_LOG_E("Null Input");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	if (!req_impl->request_data) {
+		OAUTH2_LOG_E("oauth2_request_h must be created first.");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	char grant_type_str[128] = {0,};
+	snprintf(grant_type_str, 127, "%d", grant_type);
+	return bundle_add_str(req_impl->request_data,
+		OAUTH2_PARAMETER_KEY_GRANT_TYPE, grant_type_str);
+}
+
+OAUTH2_API int
+oauth2_request_set_authorization_code(oauth2_request_h handle, const char *code)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_request_s *req_impl = (oauth2_request_s *)handle;
+	if (!req_impl) {
+		OAUTH2_LOG_E("Null Input");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	if (!req_impl->request_data) {
+		OAUTH2_LOG_E("oauth2_request_h must be created first.");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	return bundle_add_str(req_impl->request_data,
+		OAUTH2_PARAMETER_KEY_CODE, code);
+}
+
+OAUTH2_API int
+oauth2_request_set_user_name(oauth2_request_h handle, const char *user_name)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_request_s *req_impl = (oauth2_request_s *)handle;
+	if (!req_impl) {
+		OAUTH2_LOG_E("Null Input");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	if (!req_impl->request_data) {
+		OAUTH2_LOG_E("oauth2_request_h must be created first.");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	return bundle_add_str(req_impl->request_data,
+		OAUTH2_PARAMETER_KEY_USER_NAME, user_name);
+}
+
+OAUTH2_API int
+oauth2_request_set_password(oauth2_request_h handle, const char *password)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_request_s *req_impl = (oauth2_request_s *)handle;
+	if (!req_impl) {
+		OAUTH2_LOG_E("Null Input");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	if (!req_impl->request_data) {
+		OAUTH2_LOG_E("oauth2_request_h must be created first.");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	return bundle_add_str(req_impl->request_data,
+		OAUTH2_PARAMETER_KEY_PASSWORD, password);
+}
+
+OAUTH2_API int
+oauth2_request_add_custom_data(oauth2_request_h handle, const char *key,
+	const char *value)
+{
+	if (!key || !value) {
+		OAUTH2_LOG_E("key and value must not be null");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_request_s *req_impl = (oauth2_request_s *)handle;
+	if (!req_impl) {
+		OAUTH2_LOG_E("Null Input");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	if (!req_impl->request_data) {
+		OAUTH2_LOG_E("oauth2_request_h must be created first.");
+		return OAUTH2_ERROR_INVALID_PARAMETER;
+	}
+
+	return bundle_add_str(req_impl->request_data, key, value);
+}
+
+OAUTH2_API int
+oauth2_request_get_auth_end_point_url(oauth2_request_h handle, char **url)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_request_s *request_data_temp = (oauth2_request_s *)handle;
+
+	char *val = NULL;
+	bundle_get_str(request_data_temp->request_data,
+		OAUTH2_PARAMETER_KEY_AUTHORIZATION_URL, &val);
+	if (!val)
+		return OAUTH2_ERROR_VALUE_NOT_FOUND;
+
+	*url = val;
+	return OAUTH2_ERROR_NONE;
+}
+
+OAUTH2_API int
+oauth2_request_get_token_end_point_url(oauth2_request_h handle, char **url)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_request_s *request_data_temp = (oauth2_request_s *)handle;
+
+	char *val = NULL;
+	bundle_get_str(request_data_temp->request_data,
+		OAUTH2_PARAMETER_KEY_ACCESS_TOKEN_URL, &val);
+	if (!val)
+		return OAUTH2_ERROR_VALUE_NOT_FOUND;
+
+	*url = val;
+	return OAUTH2_ERROR_NONE;
+}
+
+OAUTH2_API int
+oauth2_request_get_redirection_url(oauth2_request_h handle, char **url)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_request_s *request_data_temp = (oauth2_request_s *)handle;
+
+	char *val = NULL;
+	bundle_get_str(request_data_temp->request_data,
+		OAUTH2_PARAMETER_KEY_REDIRECT_URI, &val);
+	if (!val)
+		return OAUTH2_ERROR_VALUE_NOT_FOUND;
+
+	*url = val;
+	return OAUTH2_ERROR_NONE;
+}
+
+OAUTH2_API int
+oauth2_request_get_refresh_token_url(oauth2_request_h handle, char **url)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_request_s *request_data_temp = (oauth2_request_s *)handle;
+
+	char *val = NULL;
+	bundle_get_str(request_data_temp->request_data,
+		OAUTH2_PARAMETER_KEY_REFRESH_TOKEN_URL, &val);
+	if (!val)
+		return OAUTH2_ERROR_VALUE_NOT_FOUND;
+
+	*url = val;
+	return OAUTH2_ERROR_NONE;
+}
+
+OAUTH2_API
+int oauth2_request_get_refresh_token(oauth2_request_h handle,
+	char **refresh_token)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_request_s *request_data_temp = (oauth2_request_s *)handle;
+
+	char *val = NULL;
+	bundle_get_str(request_data_temp->request_data,
+		OAUTH2_PARAMETER_KEY_REFRESH_TOKEN, &val);
+	if (!val)
+		return OAUTH2_ERROR_VALUE_NOT_FOUND;
+
+	*refresh_token = val;
+	return OAUTH2_ERROR_NONE;
+}
+
+OAUTH2_API int
+oauth2_request_get_response_type(oauth2_request_h handle,
+	oauth2_response_type_e *response_type)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	int res;
+	oauth2_request_s *request_data_temp = (oauth2_request_s *)handle;
+
+	char *val = NULL;
+	bundle_get_str(request_data_temp->request_data,
+		OAUTH2_PARAMETER_KEY_RESPONSE_TYPE, &val);
+	if (!val)
+		return OAUTH2_ERROR_VALUE_NOT_FOUND;
+
+	sscanf(val, "%d", &res);
+	*response_type = (oauth2_response_type_e) res;
+
+	return OAUTH2_ERROR_NONE;
+}
+
+OAUTH2_API int
+oauth2_request_get_client_id(oauth2_request_h handle, char **client_id)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_request_s *request_data_temp = (oauth2_request_s *)handle;
+
+	char *val = NULL;
+	bundle_get_str(request_data_temp->request_data,
+		OAUTH2_PARAMETER_KEY_CLIENT_ID, &val);
+	if (!val)
+		return OAUTH2_ERROR_VALUE_NOT_FOUND;
+
+	*client_id = val;
+	return OAUTH2_ERROR_NONE;
+}
+
+OAUTH2_API int
+oauth2_request_get_client_secret(oauth2_request_h handle, char **client_secret)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_request_s *request_data_temp = (oauth2_request_s *)handle;
+
+	char *val = NULL;
+	bundle_get_str(request_data_temp->request_data,
+		OAUTH2_PARAMETER_KEY_CLIENT_SECRET, &val);
+	if (!val)
+		return OAUTH2_ERROR_VALUE_NOT_FOUND;
+
+	*client_secret = val;
+	return OAUTH2_ERROR_NONE;
+}
+
+OAUTH2_API int
+oauth2_request_get_scope(oauth2_request_h handle, char **scope)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_request_s *request_data_temp = (oauth2_request_s *)handle;
+
+	char *val = NULL;
+	bundle_get_str(request_data_temp->request_data,
+		OAUTH2_PARAMETER_KEY_SCOPE, &val);
+	if (!val)
+		return OAUTH2_ERROR_VALUE_NOT_FOUND;
+
+	*scope = val;
+	return OAUTH2_ERROR_NONE;
+}
+
+OAUTH2_API int
+oauth2_request_get_state(oauth2_request_h handle, char **state)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_request_s *request_data_temp = (oauth2_request_s *)handle;
+
+	char *val = NULL;
+	bundle_get_str(request_data_temp->request_data,
+		OAUTH2_PARAMETER_KEY_STATE, &val);
+	if (!val)
+		return OAUTH2_ERROR_VALUE_NOT_FOUND;
+
+	*state = val;
+	return OAUTH2_ERROR_NONE;
+}
+
+OAUTH2_API int
+oauth2_request_get_grant_type(oauth2_request_h handle,
+	oauth2_grant_type_e *grant_type)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	int res;
+	oauth2_request_s *request_data_temp = (oauth2_request_s *)handle;
+
+	char *val = NULL;
+	bundle_get_str(request_data_temp->request_data,
+		OAUTH2_PARAMETER_KEY_GRANT_TYPE, &val);
+	if (!val)
+		return OAUTH2_ERROR_VALUE_NOT_FOUND;
+
+	sscanf(val, "%d", &res);
+	*grant_type = (oauth2_grant_type_e) res;
+
+	return OAUTH2_ERROR_NONE;
+}
+
+OAUTH2_API int
+oauth2_request_get_authorization_code(oauth2_request_h handle, char **code)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_request_s *request_data_temp = (oauth2_request_s *)handle;
+
+	char *val = NULL;
+	bundle_get_str(request_data_temp->request_data,
+		OAUTH2_PARAMETER_KEY_CODE, &val);
+	if (!val)
+		return OAUTH2_ERROR_VALUE_NOT_FOUND;
+
+	*code = val;
+	return OAUTH2_ERROR_NONE;
+}
+
+OAUTH2_API int
+oauth2_request_get_user_name(oauth2_request_h handle, char **user_name)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_request_s *request_data_temp = (oauth2_request_s *)handle;
+
+	char *val = NULL;
+	bundle_get_str(request_data_temp->request_data,
+		OAUTH2_PARAMETER_KEY_USER_NAME, &val);
+	if (!val)
+		return OAUTH2_ERROR_VALUE_NOT_FOUND;
+
+	*user_name = val;
+	return OAUTH2_ERROR_NONE;
+}
+
+OAUTH2_API int
+oauth2_request_get_password(oauth2_request_h handle, char **password)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_request_s *request_data_temp = (oauth2_request_s *)handle;
+
+	char *val = NULL;
+	bundle_get_str(request_data_temp->request_data,
+		OAUTH2_PARAMETER_KEY_PASSWORD, &val);
+	if (!val)
+		return OAUTH2_ERROR_VALUE_NOT_FOUND;
+
+	*password = val;
+	return OAUTH2_ERROR_NONE;
+}
+
+OAUTH2_API int
+oauth2_request_get_custom_data(oauth2_request_h handle, const char *custom_key,
+	char **custom_value)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+	oauth2_request_s *request_data_temp = (oauth2_request_s *)handle;
+	char *val = NULL;
+	bundle_get_str(request_data_temp->request_data, custom_key, &val);
+	if (!val)
+		return OAUTH2_ERROR_VALUE_NOT_FOUND;
+
+	*custom_value = val;
+	return OAUTH2_ERROR_NONE;
+}
diff --git a/src/oauth2_response.c b/src/oauth2_response.c
new file mode 100644
index 0000000..14ebd6e
--- /dev/null
+++ b/src/oauth2_response.c
@@ -0,0 +1,254 @@
+/*
+ * Copyright (c) 2014 - 2015 Samsung Electronics Co., Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include "oauth2_response.h"
+#include "oauth2_private.h"
+#include "oauth2_util.h"
+
+int
+_oauth2_response_create(oauth2_response_s **response)
+{
+	oauth2_response_s *response_temp =
+		(oauth2_response_s *)calloc(1, sizeof(oauth2_response_s));
+	OAUTH2_RETURN_VAL(response_temp, {}, OAUTH2_ERROR_OUT_OF_MEMORY,
+			"Out of memory");
+	response_temp->error = NULL;
+	response_temp->response_data = bundle_create();
+
+	*response = response_temp;
+	return 0;
+}
+
+OAUTH2_API int
+oauth2_response_destroy(oauth2_response_h handle)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER, "NULL handle");
+
+	oauth2_response_s *response_temp = (oauth2_response_s *)handle;
+	if (response_temp->response_data)
+		bundle_free(response_temp->response_data);
+
+	if (response_temp->error) {
+		bundle_free(response_temp->error->error_data);
+		OAUTH2_FREE(response_temp->error);
+	}
+	OAUTH2_FREE(response_temp);
+	return OAUTH2_ERROR_NONE;
+}
+
+/**
+ * @brief Gets the authorization code.
+ * @since_tizen 2.3
+ */
+OAUTH2_API int
+oauth2_response_get_authorization_code(oauth2_response_h handle, char **code)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_response_s *response_data_temp = (oauth2_response_s *)handle;
+
+	char *val = NULL;
+	bundle_get_str(response_data_temp->response_data,
+		OAUTH2_PARAMETER_KEY_CODE, &val);
+
+	if (!val)
+		return OAUTH2_ERROR_VALUE_NOT_FOUND;
+
+	*code = val;
+	return OAUTH2_ERROR_NONE;
+}
+
+/**
+ * @brief Gets state.
+ * @since_tizen 2.3
+ */
+OAUTH2_API int
+oauth2_response_get_state(oauth2_response_h handle, char **state)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_response_s *response_data_temp = (oauth2_response_s *)handle;
+
+	char *val = NULL;
+	bundle_get_str(response_data_temp->response_data,
+		OAUTH2_PARAMETER_KEY_STATE, &val);
+
+	if (!val)
+		return OAUTH2_ERROR_VALUE_NOT_FOUND;
+
+	*state = val;
+	return OAUTH2_ERROR_NONE;
+}
+
+/**
+ * @brief Gets access token.
+ * @since_tizen 2.3
+ */
+OAUTH2_API int
+oauth2_response_get_access_token(oauth2_response_h handle, char **access_token)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_response_s *response_data_temp = (oauth2_response_s *)handle;
+
+	char *val = NULL;
+	bundle_get_str(response_data_temp->response_data,
+		OAUTH2_PARAMETER_KEY_ACCESS_TOKEN, &val);
+
+	if (!val)
+		return OAUTH2_ERROR_VALUE_NOT_FOUND;
+
+	*access_token = val;
+	return OAUTH2_ERROR_NONE;
+}
+
+/**
+ * @brief Gets token type.
+ * @since_tizen 2.3
+ */
+OAUTH2_API int
+oauth2_response_get_token_type(oauth2_response_h handle, char **token_type)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_response_s *response_data_temp = (oauth2_response_s *)handle;
+
+	char *val = NULL;
+	bundle_get_str(response_data_temp->response_data,
+		OAUTH2_PARAMETER_KEY_TOKEN_TYPE, &val);
+
+	if (!val)
+		return OAUTH2_ERROR_VALUE_NOT_FOUND;
+
+	*token_type = val;
+	return OAUTH2_ERROR_NONE;
+}
+
+/**
+ * @brief Gets expiry time.
+ * @since_tizen 2.3
+ */
+OAUTH2_API int
+oauth2_response_get_expires_in(oauth2_response_h handle,
+	long long int *expires_in)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_response_s *response_data_temp = (oauth2_response_s *)handle;
+
+	char *val = NULL;
+	bundle_get_str(response_data_temp->response_data,
+		OAUTH2_PARAMETER_KEY_EXPIRES_IN, &val);
+
+	if (!val)
+		return OAUTH2_ERROR_VALUE_NOT_FOUND;
+
+	g_message("oauth2_response_get_expires_in [%s]=[%s]",
+		OAUTH2_PARAMETER_KEY_EXPIRES_IN, val);
+	sscanf(val, "%lld", expires_in);
+	return OAUTH2_ERROR_NONE;
+}
+
+/**
+ * @brief Gets refresh token.
+ * @since_tizen 2.3
+ */
+OAUTH2_API int
+oauth2_response_get_refresh_token(oauth2_response_h handle,
+	char **refresh_token)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_response_s *response_data_temp = (oauth2_response_s *)handle;
+
+	char *val = NULL;
+	bundle_get_str(response_data_temp->response_data,
+		OAUTH2_PARAMETER_KEY_REFRESH_TOKEN, &val);
+
+	if (!val)
+		return OAUTH2_ERROR_VALUE_NOT_FOUND;
+
+	*refresh_token = val;
+	return OAUTH2_ERROR_NONE;
+}
+
+/**
+ * @brief Gets scope.
+ * @since_tizen 2.3
+ */
+OAUTH2_API int
+oauth2_response_get_scope(oauth2_response_h handle, char **scope)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_response_s *response_data_temp = (oauth2_response_s *)handle;
+
+	char *val = NULL;
+	bundle_get_str(response_data_temp->response_data,
+		OAUTH2_PARAMETER_KEY_SCOPE, &val);
+
+	if (!val)
+		return OAUTH2_ERROR_VALUE_NOT_FOUND;
+
+	*scope = val;
+	return OAUTH2_ERROR_NONE;
+}
+
+/**
+ * @brief Gets error.
+ * @see @oauth2_error_h
+ * @since_tizen 2.3
+ */
+OAUTH2_API int
+oauth2_response_get_error(oauth2_response_h handle, oauth2_error_h *error)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"NULL handle");
+
+	oauth2_response_s *response_data_temp = (oauth2_response_s *)handle;
+
+	*error = (oauth2_error_h)response_data_temp->error;
+	return OAUTH2_ERROR_NONE;
+}
+
+/**
+ * @brief Gets the bundle corresponding to the oauth2_response_h handle.
+ * @since_tizen 2.3
+ */
+OAUTH2_API int
+oauth2_response_get_custom_data(oauth2_response_h handle,
+	const char *custom_key, char **custom_value)
+{
+	OAUTH2_RETURN_VAL(handle, {}, OAUTH2_ERROR_INVALID_PARAMETER, "NULL handle");
+
+	oauth2_response_s *response_data_temp = (oauth2_response_s *)handle;
+
+	char *val = NULL;
+	bundle_get_str(response_data_temp->response_data, custom_key, &val);
+	if (!val)
+		return OAUTH2_ERROR_VALUE_NOT_FOUND;
+
+	*custom_value = val;
+	return OAUTH2_ERROR_NONE;
+}
diff --git a/src/oauth2_util.c b/src/oauth2_util.c
new file mode 100644
index 0000000..1bc10bd
--- /dev/null
+++ b/src/oauth2_util.c
@@ -0,0 +1,137 @@
+/*
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the License);
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "oauth2_util.h"
+
+int
+oauth2_util_get_query(const char *url, char **query)
+{
+	OAUTH2_RETURN_VAL(url, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"url is Null");
+	OAUTH2_RETURN_VAL(query, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"query is Null");
+
+	int query_len = 0;
+	char *part = NULL;
+	char *query_end = NULL;
+	char *query_start = strchr(url, '?');
+	if (query_start) {
+		query_start++;
+		query_end = query_start;
+
+		while (*query_end != '\0' && *query_end != '#')
+			query_end++;
+
+		query_len = query_end - query_start;
+		part = (char *) malloc((query_len + 1) * sizeof(char));
+		OAUTH2_RETURN_VAL(part, {}, OAUTH2_ERROR_OUT_OF_MEMORY,
+			"Out of memory");
+		memset(part, '\0', (query_len + 1) * sizeof(char));
+
+		strncpy(part, query_start, query_len);
+		part[query_len] = '\0';
+	}
+	*query = part;
+
+	return OAUTH2_ERROR_NONE;
+}
+
+int
+oauth2_util_get_fragment(const char *url, char **fragment)
+{
+	OAUTH2_RETURN_VAL(url, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"url is Null");
+	OAUTH2_RETURN_VAL(fragment, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"fragment is Null");
+
+	int fragment_len = 0;
+	char *part = NULL;
+	char *fragment_end = NULL;
+	char *fragment_start = strchr(url, '#');
+	if (fragment_start) {
+		fragment_start++;
+		fragment_end = fragment_start;
+
+		while (*fragment_end != '\0')
+			fragment_end++;
+
+		fragment_len = fragment_end - fragment_start;
+		part = (char *) malloc((fragment_len + 1) * sizeof(char));
+		OAUTH2_RETURN_VAL(part, {}, OAUTH2_ERROR_OUT_OF_MEMORY,
+			"Out of memory");
+		memset(part, '\0', (fragment_len + 1) * sizeof(char));
+
+		strncpy(part, fragment_start, fragment_len);
+		part[fragment_len] = '\0';
+	}
+	*fragment = part;
+
+	return OAUTH2_ERROR_NONE;
+}
+
+int
+oauth2_util_get_params(const char *url_part, bundle **params)
+{
+	OAUTH2_RETURN_VAL(url_part, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"url part is Null");
+	OAUTH2_RETURN_VAL(params, {}, OAUTH2_ERROR_INVALID_PARAMETER,
+		"params is Null");
+
+	char *url = (char *) url_part;
+
+	int idx = 0;
+	gchar **pch = g_strsplit_set(url, "&;", -1);
+	while (pch && pch[idx] && strlen(pch[idx])) {
+		char *tmp_start = pch[idx];
+		char *tmp_end = tmp_start;
+		while (*tmp_end != '\0')
+			tmp_end++;
+
+		char *eq_ptr = strchr(tmp_start, '=');
+		int key_size = (eq_ptr - tmp_start) + 1;
+		char *key = (char *) malloc((key_size) * sizeof(char));
+		if (key == NULL) {
+			OAUTH2_LOG_E("Out of memory");
+			return OAUTH2_ERROR_OUT_OF_MEMORY;
+		}
+
+		memset(key, '\0', ((eq_ptr - tmp_start) + 1) * sizeof(char));
+		strncpy(key, tmp_start, (eq_ptr - tmp_start));
+
+		if (eq_ptr != NULL)
+			eq_ptr++;
+
+		key_size = (tmp_end - eq_ptr) + 1;
+		char *val = (char *) malloc((key_size) * sizeof(char));
+		if (val == NULL) {
+			OAUTH2_LOG_E("Out of memory");
+			OAUTH2_FREE(key);
+			return OAUTH2_ERROR_OUT_OF_MEMORY;
+		}
+
+		memset(val, '\0', ((tmp_end - eq_ptr) + 1) * sizeof(char));
+		strncpy(val, eq_ptr, (tmp_end - eq_ptr));
+
+		bundle_add_str(*params, key, val);
+
+		idx++;
+
+		OAUTH2_FREE(key);
+		OAUTH2_FREE(val);
+	}
+
+	return OAUTH2_ERROR_NONE;
+}
diff --git a/src/oauth2_util.h b/src/oauth2_util.h
new file mode 100644
index 0000000..183401a
--- /dev/null
+++ b/src/oauth2_util.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the License);
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _OAUTH2_UTIL_H_
+#define _OAUTH2_UTIL_H_
+
+#include <stdlib.h>
+#include <bundle.h>
+#include <dlog.h>
+#include <glib.h>
+#include "oauth2_types.h"
+
+#ifdef LOG_TAG
+#undef LOG_TAG
+#endif
+
+#define LOG_TAG "oauth2"
+
+#ifdef OAUTH2_LOG_E
+#undef OAUTH2_LOG_E
+#endif
+
+#ifdef OAUTH2_LOG_D
+#undef OAUTH2_LOG_D
+#endif
+
+#ifdef OAUTH2_LOG_I
+#undef OAUTH2_LOG_I
+#endif
+
+#define OAUTH2_LOG_E(fmt, args...) LOGE("[%s:%d] "fmt"\n", __func__, \
+		__LINE__, ##args)
+
+#define OAUTH2_LOG_D(fmt, args...) LOGD("[%s:%d] "fmt"\n", __func__, \
+		__LINE__, ##args)
+
+#define OAUTH2_LOG_I(fmt, args...) LOGI("[%s:%d] "fmt"\n", __func__, \
+		__LINE__, ##args)
+
+#define OAUTH2_RETURN_VAL(eval, expr, ret_val, X) \
+	if (!(eval)) { \
+	expr; \
+	OAUTH2_LOG_E(X); \
+	return ret_val; \
+} else {;}
+
+#define OAUTH2_FREE(ptr) \
+	if (ptr != NULL) { \
+		free(ptr); \
+		ptr = NULL; \
+	}
+
+int oauth2_util_get_query(const char *url, char **query);
+int oauth2_util_get_fragment(const char *url, char **fragment);
+int oauth2_util_get_params(const char* url_part, bundle **params);
+
+#endif /* _OAUTH2_UTIL_H_ */
diff --git a/update_sdk_rootstrap.sh b/update_sdk_rootstrap.sh
new file mode 100755
index 0000000..316dd26
--- /dev/null
+++ b/update_sdk_rootstrap.sh
@@ -0,0 +1,84 @@
+#!/bin/bash
+
+if [ $# -ne 2 ]
+  then
+	echo "Incorrect arguments"
+	echo "Please pass path of RPM as the first argument"
+	echo "Please pass path of Tizen SDK as the second argument"
+	echo "Example usage:"
+	echo "    ./update_sdk_rootstrap.sh ~/GBS-Kiran/liboauth2/local/repos/tizen/i586/RPMS/ ~/Tizen-SDK-2.3/tizen-sdk/"
+else
+	if [ -z "$1" ];
+	  then
+		echo "Please pass the correct path of RPM as first argument"
+	else
+		rpm_path=$1
+		echo $rpm_path
+		cd $rpm_path
+		sudo rm -rf usr
+		if [[ $rpm_path == *"armv7l"* ]]
+		then
+			echo "Device"
+			if [ -a oauth2-0.0.1-1.armv7l.rpm ]
+			  then
+				sudo rpm2cpio oauth2-0.0.1-1.armv7l.rpm | cpio -idmv
+			else
+				echo "oauth2-0.0.1-1.armv7l.rpm file does not exist"
+			fi
+
+			if [ -a oauth2-devel-0.0.1-1.armv7l.rpm ]
+			  then
+				sudo rpm2cpio oauth2-devel-0.0.1-1.armv7l.rpm | cpio -idmv
+			else
+				echo "oauth2-devel-0.0.1-1.armv7l.rpm file does not exist"
+			fi
+		else
+			echo "Emulator"
+			if [ -a oauth2-0.0.1-1.i586.rpm ]
+			  then
+				sudo rpm2cpio oauth2-0.0.1-1.i586.rpm | cpio -idmv
+			else
+				echo "oauth2-0.0.1-1.i586.rpm file does not exist"
+			fi
+
+			if [ -a oauth2-devel-0.0.1-1.i586.rpm ]
+			  then
+				sudo rpm2cpio oauth2-devel-0.0.1-1.i586.rpm | cpio -idmv
+			else
+				echo "oauth2-devel-0.0.1-1.i586.rpm file does not exist"
+			fi
+		fi
+	fi
+
+	if [ -z "$2" ];
+	  then
+		echo "Please pass the correct path of RPM as second argument"
+	else
+		sdk_path=$2
+		if [[ $rpm_path == *"armv7l"* ]]
+		  then
+			if [[ ${sdk_path: -1} == "/" ]]
+			then
+				sdk_path_lib="${sdk_path}platforms/mobile-2.3/rootstraps/mobile-2.3-device.core/usr/lib/"
+				sdk_path_inc="${sdk_path}platforms/mobile-2.3/rootstraps/mobile-2.3-device.core/usr/include/"
+			else
+				sdk_path_lib="${sdk_path}/platforms/mobile-2.3/rootstraps/mobile-2.3-device.core/usr/lib/"
+				sdk_path_inc="${sdk_path}/platforms/mobile-2.3/rootstraps/mobile-2.3-device.core/usr/include/"
+			fi
+		else
+			if [[ ${sdk_path: -1} == "/" ]]
+			then
+				sdk_path_lib="${sdk_path}platforms/mobile-2.3/rootstraps/mobile-2.3-emulator.core/usr/lib/"
+				sdk_path_inc="${sdk_path}platforms/mobile-2.3/rootstraps/mobile-2.3-emulator.core/usr/include/"
+			else
+				sdk_path_lib="${sdk_path}/platforms/mobile-2.3/rootstraps/mobile-2.3-emulator.core/usr/lib/"
+				sdk_path_inc="${sdk_path}/platforms/mobile-2.3/rootstraps/mobile-2.3-emulator.core/usr/include/"
+			fi
+		fi
+
+		sudo cp usr/lib/liboauth2.so* $sdk_path_lib
+		sudo cp usr/include/oauth2* $sdk_path_inc
+		sudo rm -rf usr
+		echo "SO and Headers copied"
+	fi
+fi