From cea9d238dbc4c09788604a15672145bde5fad29e Mon Sep 17 00:00:00 2001
From: sr55 <sr55.hb@outlook.com>
Date: Thu, 9 Jun 2016 20:35:11 +0100
Subject: WinGui: Check directory permissions before adding a job to the queue
 for processing. Fixes #219

---
 win/CS/HandBrakeWPF/Properties/Resources.Designer.cs |  9 +++++++++
 win/CS/HandBrakeWPF/Properties/Resources.resx        |  3 +++
 win/CS/HandBrakeWPF/Utilities/DirectoryUtilities.cs  | 19 +++++++++++++++++++
 win/CS/HandBrakeWPF/ViewModels/MainViewModel.cs      |  7 +++++++
 4 files changed, 38 insertions(+)

(limited to 'win')

diff --git a/win/CS/HandBrakeWPF/Properties/Resources.Designer.cs b/win/CS/HandBrakeWPF/Properties/Resources.Designer.cs
index 2f8cd2bef..297a5caf1 100644
--- a/win/CS/HandBrakeWPF/Properties/Resources.Designer.cs
+++ b/win/CS/HandBrakeWPF/Properties/Resources.Designer.cs
@@ -728,6 +728,15 @@ namespace HandBrakeWPF.Properties {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to You do not have the appropriate folder permissions to write files into the directory you have chosen..
+        /// </summary>
+        public static string Main_NoPermissionsOnDirectory {
+            get {
+                return ResourceManager.GetString("Main_NoPermissionsOnDirectory", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to No Preset selected..
         /// </summary>
diff --git a/win/CS/HandBrakeWPF/Properties/Resources.resx b/win/CS/HandBrakeWPF/Properties/Resources.resx
index dcb268430..17767838a 100644
--- a/win/CS/HandBrakeWPF/Properties/Resources.resx
+++ b/win/CS/HandBrakeWPF/Properties/Resources.resx
@@ -808,4 +808,7 @@ Your preset file will be archived and new one created. You will need to re-creat
   <data name="UserSettings_UnableToLoadSolution" xml:space="preserve">
     <value>Your user settings file appears to be inaccessible or corrupted. You may have to delete the file and let HandBrake generate a new one.</value>
   </data>
+  <data name="Main_NoPermissionsOnDirectory" xml:space="preserve">
+    <value>You do not have the appropriate folder permissions to write files into the directory you have chosen.</value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/win/CS/HandBrakeWPF/Utilities/DirectoryUtilities.cs b/win/CS/HandBrakeWPF/Utilities/DirectoryUtilities.cs
index 23b10ede8..5461605d0 100644
--- a/win/CS/HandBrakeWPF/Utilities/DirectoryUtilities.cs
+++ b/win/CS/HandBrakeWPF/Utilities/DirectoryUtilities.cs
@@ -37,5 +37,24 @@ namespace HandBrakeWPF.Utilities
                 return Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "HandBrake");
             }
         }
+
+
+        /// <summary>
+        /// Simple way of checking if a directory is writeable.
+        /// </summary>
+        /// <param name="dirPath">Path to check</param>
+        /// <returns>True if writable</returns>
+        public static bool IsWritable(string dirPath)
+        {
+            try
+            {
+                using (File.Create(Path.Combine(dirPath, Path.GetRandomFileName()), 1, FileOptions.DeleteOnClose)) { }
+                return true;
+            }
+            catch
+            {
+                return false;
+            }
+        }
     }
 }
diff --git a/win/CS/HandBrakeWPF/ViewModels/MainViewModel.cs b/win/CS/HandBrakeWPF/ViewModels/MainViewModel.cs
index 39f199892..fff4d8a70 100644
--- a/win/CS/HandBrakeWPF/ViewModels/MainViewModel.cs
+++ b/win/CS/HandBrakeWPF/ViewModels/MainViewModel.cs
@@ -1378,6 +1378,13 @@ namespace HandBrakeWPF.ViewModels
                 return false;
             }
 
+            if (!DirectoryUtilities.IsWritable(Path.GetDirectoryName(this.CurrentTask.Destination)))
+            {
+                this.errorService.ShowMessageBox(Resources.Main_NoPermissionsOnDirectory, Resources.Error, MessageBoxButton.OK, MessageBoxImage.Error);
+                return false;
+            }
+
+
             // Sanity check the filename
             if (!string.IsNullOrEmpty(this.Destination) && FileHelper.FilePathHasInvalidChars(this.Destination))
             {
-- 
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