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Sanitize temporary file name in case it has invalid characters

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This commit is contained in:
Michael Becker 2015-11-30 11:08:52 -05:00
parent 3627e959f7
commit d742b151d0
1 changed files with 18 additions and 0 deletions
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18
CSharp/Libraries/UniversalEditor.UserInterface/TemporaryFileManager.cs
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@ -9,6 +9,23 @@ namespace UniversalEditor.UserInterface
private static System.Collections.Specialized.StringCollection mvarTemporaryFileNames = new System.Collections.Specialized.StringCollection();
private static string mvarTemporaryFilePath = null;
private static string SanitizeFileName(string FileName)
{
if (String.IsNullOrEmpty(FileName)) return "_";
string[] invalidCharacters = new string[]
{
"\\", "/", ":", "*", "\"", "<", ">", "?", "|"
};
foreach (string invalidCharacter in invalidCharacters)
{
FileName = FileName.Replace(invalidCharacter, "_");
}
// Check twice because we might have encountered a filename consisting solely of invalid chars (weird, but possible)
if (String.IsNullOrEmpty(FileName)) return "_";
return FileName;
}
public static string CreateTemporaryFile(string FileName, byte[] FileData = null)
{
if (mvarTemporaryFilePath == null) throw new InvalidOperationException();
@ -17,6 +34,7 @@ namespace UniversalEditor.UserInterface
System.IO.Directory.CreateDirectory(mvarTemporaryFilePath);
}
FileName = SanitizeFileName(FileName);
FileName = System.IO.Path.GetFileName(FileName);
string filePath = mvarTemporaryFilePath + System.IO.Path.DirectorySeparatorChar.ToString() + FileName;