Pass cancellation token to CopyAsync read block

[mono.git] / mcs / class / corlib / System.IO / FileSystemInfo.cs

diff --git a/mcs/class/corlib/System.IO/FileSystemInfo.cs b/mcs/class/corlib/System.IO/FileSystemInfo.cs
index b1ac2b83c962489a16d6b57d06e5bb1f6486e857..9c2c3fae9f05eb3f21e12028c6c38e6d343370f9 100644 (file)
--- a/mcs/class/corlib/System.IO/FileSystemInfo.cs
+++ b/mcs/class/corlib/System.IO/FileSystemInfo.cs
@@ -3,6 +3,7 @@
 // System.IO.FileSystemInfo.cs 
 //
 // Copyright (C) 2001 Moonlight Enterprises, All Rights Reserved
+// Copyright 2011 Xamarin Inc (http://www.xamarin.com).
 // 
 // Author:         Jim Richardson, develop@wtfo-guru.com
 //                 Dan Lewis (dihlewis@yahoo.co.uk)
@@ -10,14 +11,44 @@
 //
 //------------------------------------------------------------------------------
 
-using System;
+//
+// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
 using System.Runtime.InteropServices;
 using System.Runtime.Serialization;
+using System.Security;
+using System.Security.Permissions;
 
 namespace System.IO {
        
        [Serializable]
+       [FileIOPermission (SecurityAction.InheritanceDemand, Unrestricted = true)]
+       [ComVisible (true)]
+#if NET_2_1
+       public abstract class FileSystemInfo {
+#else
        public abstract class FileSystemInfo : MarshalByRefObject, ISerializable {
+
                #region Implementation of ISerializable
 
                [ComVisible(false)]
@@ -28,7 +59,7 @@ namespace System.IO {
                }
 
                #endregion Implementation of ISerializable
-
+#endif
                // public properties
 
                public abstract bool Exists { get; }
@@ -59,7 +90,8 @@ namespace System.IO {
                                if (!MonoIO.SetFileAttributes (FullName,
                                                               value,
                                                               out error))
-                                       throw MonoIO.GetException (error);
+                                       throw MonoIO.GetException (FullName,
+                                                                  error);
                                Refresh (true);
                        }
                }
@@ -71,17 +103,21 @@ namespace System.IO {
                        }
 
                        set {
+                               SecurityManager.EnsureElevatedPermissions (); // this is a no-op outside moonlight
+
                                long filetime = value.ToFileTime ();
                        
                                MonoIOError error;
                                
                                if (!MonoIO.SetFileTime (FullName, filetime,
                                                         -1, -1, out error))
-                                       throw MonoIO.GetException (error);
+                                       throw MonoIO.GetException (FullName,
+                                                                  error);
                                Refresh (true);
                        }
                }
 
+               [ComVisible(false)]
                public DateTime CreationTimeUtc {
                        get {
                                return CreationTime.ToUniversalTime ();
@@ -99,6 +135,8 @@ namespace System.IO {
                        }
 
                        set {
+                               SecurityManager.EnsureElevatedPermissions (); // this is a no-op outside moonlight
+
                                long filetime = value.ToFileTime ();
 
                                MonoIOError error;
@@ -106,11 +144,13 @@ namespace System.IO {
                                if (!MonoIO.SetFileTime (FullName, -1,
                                                         filetime, -1,
                                                         out error))
-                                       throw MonoIO.GetException (error);
+                                       throw MonoIO.GetException (FullName,
+                                                                  error);
                                Refresh (true);
                        }
                }
 
+               [ComVisible(false)]
                public DateTime LastAccessTimeUtc {
                        get {
                                Refresh (false);
@@ -129,17 +169,21 @@ namespace System.IO {
                        }
 
                        set {
+                               SecurityManager.EnsureElevatedPermissions (); // this is a no-op outside moonlight
+
                                long filetime = value.ToFileTime ();
 
                                MonoIOError error;
                                
                                if (!MonoIO.SetFileTime (FullName, -1, -1,
                                                         filetime, out error))
-                                       throw MonoIO.GetException (error);
+                                       throw MonoIO.GetException (FullName,
+                                                                  error);
                                Refresh (true);
                        }
                }
 
+               [ComVisible(false)]
                public DateTime LastWriteTimeUtc {
                        get {
                                Refresh (false);
@@ -192,6 +236,10 @@ namespace System.IO {
                        MonoIOError error;
                        
                        MonoIO.GetFileStat (FullName, out stat, out error);
+                       /* Don't throw on error here, too much other
+                        * stuff relies on it not doing so...
+                        */
+                       
                        valid = true;
                        
                        InternalRefresh ();
@@ -204,9 +252,16 @@ namespace System.IO {
                internal void CheckPath (string path)
                {
                        if (path == null)
-                               throw new ArgumentNullException ();
+                               throw new ArgumentNullException ("path");
+                       if (path.Length == 0)
+                               throw new ArgumentException ("An empty file name is not valid.");
                        if (path.IndexOfAny (Path.InvalidPathChars) != -1)
-                               throw new ArgumentException ("Invalid characters in path.");
+                               throw new ArgumentException ("Illegal characters in path.");
+                       if (Environment.IsRunningOnWindows) {
+                               int idx = path.IndexOf (':');
+                               if (idx >= 0 && idx != 1)
+                                       throw new ArgumentException ("path");
+                       }
                }
 
                internal MonoIOStat stat;