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authorJiyoung Yun <jy910.yun@samsung.com>2016-12-27 16:46:08 +0900
committerJiyoung Yun <jy910.yun@samsung.com>2016-12-27 16:46:08 +0900
commitdb20f3f1bb8595633a7e16c8900fd401a453a6b5 (patch)
treee5435159cd1bf0519276363a6fe1663d1721bed3 /src/mscorlib/src/System/IO/FileInfo.cs
parent4b4aad7217d3292650e77eec2cf4c198ea9c3b4b (diff)
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Imported Upstream version 1.0.0.9127upstream/1.0.0.9127
Diffstat (limited to 'src/mscorlib/src/System/IO/FileInfo.cs')
-rw-r--r--src/mscorlib/src/System/IO/FileInfo.cs207
1 files changed, 23 insertions, 184 deletions
diff --git a/src/mscorlib/src/System/IO/FileInfo.cs b/src/mscorlib/src/System/IO/FileInfo.cs
index 3ab1a5122e..32622c63a1 100644
--- a/src/mscorlib/src/System/IO/FileInfo.cs
+++ b/src/mscorlib/src/System/IO/FileInfo.cs
@@ -2,33 +2,17 @@
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
-/*============================================================
-**
-**
-**
-**
-**
-** Purpose: A collection of methods for manipulating Files.
-**
-** April 09,2000 (some design refactorization)
-**
-===========================================================*/
-
-using System;
-#if FEATURE_MACL
-using System.Security.AccessControl;
-#endif
-using System.Security.Permissions;
-using PermissionSet = System.Security.PermissionSet;
using Win32Native = Microsoft.Win32.Win32Native;
using System.Runtime.InteropServices;
using System.Text;
using System.Runtime.Serialization;
using System.Globalization;
using System.Runtime.Versioning;
+using System.Diagnostics;
using System.Diagnostics.Contracts;
-namespace System.IO {
+namespace System.IO
+{
// Class for creating FileStream objects, and some basic file management
// routines such as Delete, etc.
[Serializable]
@@ -37,85 +21,40 @@ namespace System.IO {
{
private String _name;
-#if FEATURE_CORECLR
// Migrating InheritanceDemands requires this default ctor, so we can annotate it.
-#if FEATURE_CORESYSTEM
- [System.Security.SecurityCritical]
-#else
- [System.Security.SecuritySafeCritical]
-#endif //FEATURE_CORESYSTEM
private FileInfo(){}
- [System.Security.SecurityCritical]
- public static FileInfo UnsafeCreateFileInfo(String fileName)
- {
- if (fileName == null)
- throw new ArgumentNullException("fileName");
- Contract.EndContractBlock();
-
- FileInfo fi = new FileInfo();
- fi.Init(fileName, false);
- return fi;
- }
-#endif
-
- [System.Security.SecuritySafeCritical]
public FileInfo(String fileName)
{
if (fileName == null)
- throw new ArgumentNullException("fileName");
+ throw new ArgumentNullException(nameof(fileName));
Contract.EndContractBlock();
- Init(fileName, true);
+ Init(fileName);
}
- [System.Security.SecurityCritical]
- private void Init(String fileName, bool checkHost)
+ private void Init(String fileName)
{
OriginalPath = fileName;
- // Must fully qualify the path for the security check
- String fullPath = Path.GetFullPathInternal(fileName);
-#if FEATURE_CORECLR
- if (checkHost)
- {
- FileSecurityState state = new FileSecurityState(FileSecurityStateAccess.Read, fileName, fullPath);
- state.EnsureState();
- }
-#else
- FileIOPermission.QuickDemand(FileIOPermissionAccess.Read, fullPath, false, false);
-#endif
-
_name = Path.GetFileName(fileName);
- FullPath = fullPath;
+ FullPath = Path.GetFullPath(fileName);
DisplayPath = GetDisplayPath(fileName);
}
private String GetDisplayPath(String originalPath)
{
-#if FEATURE_CORECLR
return Path.GetFileName(originalPath);
-#else
- return originalPath;
-#endif
-
}
- [System.Security.SecurityCritical] // auto-generated
private FileInfo(SerializationInfo info, StreamingContext context) : base(info, context)
{
-#if !FEATURE_CORECLR
- new FileIOPermission(FileIOPermissionAccess.Read, new String[] { FullPath }, false, false).Demand();
-#endif
_name = Path.GetFileName(OriginalPath);
DisplayPath = GetDisplayPath(OriginalPath);
}
-#if FEATURE_CORESYSTEM
- [System.Security.SecuritySafeCritical]
-#endif //FEATURE_CORESYSTEM
internal FileInfo(String fullPath, bool ignoreThis)
{
- Contract.Assert(Path.GetRootLength(fullPath) > 0, "fullPath must be fully qualified!");
+ Debug.Assert(PathInternal.GetRootLength(fullPath) > 0, "fullPath must be fully qualified!");
_name = Path.GetFileName(fullPath);
OriginalPath = _name;
FullPath = fullPath;
@@ -125,10 +64,8 @@ namespace System.IO {
public override String Name {
get { return _name; }
}
-
-
+
public long Length {
- [System.Security.SecuritySafeCritical] // auto-generated
get {
if (_dataInitialised == -1)
Refresh();
@@ -146,20 +83,9 @@ namespace System.IO {
/* Returns the name of the directory that the file is in */
public String DirectoryName
{
- [System.Security.SecuritySafeCritical]
get
{
- String directoryName = Path.GetDirectoryName(FullPath);
- if (directoryName != null)
- {
-#if FEATURE_CORECLR
- FileSecurityState state = new FileSecurityState(FileSecurityStateAccess.Read, DisplayPath, FullPath);
- state.EnsureState();
-#else
- new FileIOPermission(FileIOPermissionAccess.PathDiscovery, new String[] { directoryName }, false, false).Demand();
-#endif
- }
- return directoryName;
+ return Path.GetDirectoryName(FullPath);
}
}
@@ -171,7 +97,7 @@ namespace System.IO {
String dirName = DirectoryName;
if (dirName == null)
return null;
- return new DirectoryInfo(dirName);
+ return new DirectoryInfo(dirName);
}
}
@@ -187,27 +113,9 @@ namespace System.IO {
}
}
-#if FEATURE_MACL
- public FileSecurity GetAccessControl()
- {
- return File.GetAccessControl(FullPath, AccessControlSections.Access | AccessControlSections.Owner | AccessControlSections.Group);
- }
-
- public FileSecurity GetAccessControl(AccessControlSections includeSections)
- {
- return File.GetAccessControl(FullPath, includeSections);
- }
-
- public void SetAccessControl(FileSecurity fileSecurity)
- {
- File.SetAccessControl(FullPath, fileSecurity);
- }
-#endif
-
- [System.Security.SecuritySafeCritical] // auto-generated
public StreamReader OpenText()
{
- return new StreamReader(FullPath, Encoding.UTF8, true, StreamReader.DefaultBufferSize, false);
+ return new StreamReader(FullPath, Encoding.UTF8, true, StreamReader.DefaultBufferSize);
}
public StreamWriter CreateText()
@@ -220,45 +128,33 @@ namespace System.IO {
return new StreamWriter(FullPath,true);
}
-
// Copies an existing file to a new file. An exception is raised if the
// destination file already exists. Use the
// Copy(String, String, boolean) method to allow
// overwriting an existing file.
- //
- // The caller must have certain FileIOPermissions. The caller must have
- // Read permission to sourceFileName
- // and Write permissions to destFileName.
- //
public FileInfo CopyTo(String destFileName) {
if (destFileName == null)
- throw new ArgumentNullException("destFileName", Environment.GetResourceString("ArgumentNull_FileName"));
+ throw new ArgumentNullException(nameof(destFileName), Environment.GetResourceString("ArgumentNull_FileName"));
if (destFileName.Length == 0)
- throw new ArgumentException(Environment.GetResourceString("Argument_EmptyFileName"), "destFileName");
+ throw new ArgumentException(Environment.GetResourceString("Argument_EmptyFileName"), nameof(destFileName));
Contract.EndContractBlock();
- destFileName = File.InternalCopy(FullPath, destFileName, false, true);
+ destFileName = File.InternalCopy(FullPath, destFileName, false);
return new FileInfo(destFileName, false);
}
-
// Copies an existing file to a new file. If overwrite is
// false, then an IOException is thrown if the destination file
// already exists. If overwrite is true, the file is
// overwritten.
- //
- // The caller must have certain FileIOPermissions. The caller must have
- // Read permission to sourceFileName and Create
- // and Write permissions to destFileName.
- //
public FileInfo CopyTo(String destFileName, bool overwrite) {
if (destFileName == null)
- throw new ArgumentNullException("destFileName", Environment.GetResourceString("ArgumentNull_FileName"));
+ throw new ArgumentNullException(nameof(destFileName), Environment.GetResourceString("ArgumentNull_FileName"));
if (destFileName.Length == 0)
- throw new ArgumentException(Environment.GetResourceString("Argument_EmptyFileName"), "destFileName");
+ throw new ArgumentException(Environment.GetResourceString("Argument_EmptyFileName"), nameof(destFileName));
Contract.EndContractBlock();
- destFileName = File.InternalCopy(FullPath, destFileName, overwrite, true);
+ destFileName = File.InternalCopy(FullPath, destFileName, overwrite);
return new FileInfo(destFileName, false);
}
@@ -271,22 +167,9 @@ namespace System.IO {
// an exception.
//
// On NT, Delete will fail for a file that is open for normal I/O
- // or a file that is memory mapped. On Win95, the file will be
- // deleted irregardless of whether the file is being used.
- //
- // Your application must have Delete permission to the target file.
- //
- [System.Security.SecuritySafeCritical]
+ // or a file that is memory mapped.
public override void Delete()
{
-#if FEATURE_CORECLR
- FileSecurityState state = new FileSecurityState(FileSecurityStateAccess.Write, DisplayPath, FullPath);
- state.EnsureState();
-#else
- // For security check, path should be resolved to an absolute path.
- new FileIOPermission(FileIOPermissionAccess.Write, new String[] { FullPath }, false, false).Demand();
-#endif
-
bool r = Win32Native.DeleteFile(FullPath);
if (!r) {
int hr = Marshal.GetLastWin32Error();
@@ -297,25 +180,10 @@ namespace System.IO {
}
}
- [ComVisible(false)]
- public void Decrypt()
- {
- File.Decrypt(FullPath);
- }
-
- [ComVisible(false)]
- public void Encrypt()
- {
- File.Encrypt(FullPath);
- }
-
// Tests if the given file exists. The result is true if the file
// given by the specified path exists; otherwise, the result is
// false.
- //
- // Your application must have Read permission for the target directory.
public override bool Exists {
- [System.Security.SecuritySafeCritical] // auto-generated
get {
try {
if (_dataInitialised == -1)
@@ -335,9 +203,6 @@ namespace System.IO {
}
}
-
-
-
// User must explicitly specify opening a new file or appending to one.
public FileStream Open(FileMode mode) {
return Open(mode, FileAccess.ReadWrite, FileShare.None);
@@ -351,54 +216,28 @@ namespace System.IO {
return new FileStream(FullPath, mode, access, share);
}
-
-#if FEATURE_CORECLR
- [System.Security.SecuritySafeCritical] // auto-generated
-#endif
public FileStream OpenRead()
{
return new FileStream(FullPath, FileMode.Open, FileAccess.Read,
FileShare.Read, 4096, false);
}
-
public FileStream OpenWrite() {
return new FileStream(FullPath, FileMode.OpenOrCreate,
FileAccess.Write, FileShare.None);
}
-
-
-
-
-
// Moves a given file to a new location and potentially a new file name.
// This method does work across volumes.
- //
- // The caller must have certain FileIOPermissions. The caller must
- // have Read and Write permission to
- // sourceFileName and Write
- // permissions to destFileName.
- //
- [System.Security.SecuritySafeCritical]
public void MoveTo(String destFileName) {
if (destFileName==null)
- throw new ArgumentNullException("destFileName");
+ throw new ArgumentNullException(nameof(destFileName));
if (destFileName.Length==0)
- throw new ArgumentException(Environment.GetResourceString("Argument_EmptyFileName"), "destFileName");
+ throw new ArgumentException(Environment.GetResourceString("Argument_EmptyFileName"), nameof(destFileName));
Contract.EndContractBlock();
- String fullDestFileName = Path.GetFullPathInternal(destFileName);
-#if FEATURE_CORECLR
- FileSecurityState sourceState = new FileSecurityState(FileSecurityStateAccess.Write | FileSecurityStateAccess.Read, DisplayPath, FullPath);
- FileSecurityState destState = new FileSecurityState(FileSecurityStateAccess.Write, destFileName, fullDestFileName);
- sourceState.EnsureState();
- destState.EnsureState();
-#else
- new FileIOPermission(FileIOPermissionAccess.Write | FileIOPermissionAccess.Read, new String[] { FullPath }, false, false).Demand();
- FileIOPermission.QuickDemand(FileIOPermissionAccess.Write, fullDestFileName, false, false);
-#endif
-
+ string fullDestFileName = Path.GetFullPath(destFileName);
+
if (!Win32Native.MoveFile(FullPath, fullDestFileName))
__Error.WinIOError();
FullPath = fullDestFileName;