/// <summary>
/// Delete a file. If the deleteEmptyDirectoresRecursively is true all empty directories
/// from buttom up are also deleted.
/// </summary>
/// <param name="path"></param>
/// <param name="deleteEmptyDirectoresRecursively"></param>
public static void DeleteFile(string path, bool deleteEmptyDirectoresRecursively)
{
LoggingService.LogVerbose("DirectoryUtil", string.Format("Deleting file '{0}'", path));
C1File.Delete(path);
if (deleteEmptyDirectoresRecursively)
{
string directory = Path.GetDirectoryName(path);
string[] directories = directory.Split(Path.DirectorySeparatorChar);
for (int i = directories.Length; i > 1; --i)
{
StringBuilder stringBuilder = new StringBuilder();
for (int j = 0; j < i; ++j)
{
stringBuilder.Append(directories[j]);
stringBuilder.Append(Path.DirectorySeparatorChar);
}
string currentPath = stringBuilder.ToString();
if (C1Directory.GetFiles(currentPath).Length == 0)
{
LoggingService.LogVerbose("DirectoryUtil", string.Format("Deleting directory '{0}'", currentPath));
C1Directory.Delete(currentPath);
}
else
{
break;
}
}
}
}
/// <exclude />
public static void Delete(string filePath)
{
if (C1File.Exists(filePath))
{
RemoveReadOnly(filePath);
C1File.Delete(filePath);
}
}
/// <summary>
/// Deletes all files recursively leaving all sub directories.
/// </summary>
/// <param name="directoryPath"></param>
public static void DeleteFilesRecursively(string directoryPath)
{
foreach (string file in C1Directory.GetFiles(directoryPath))
{
C1File.Delete(file);
}
foreach (string directory in C1Directory.GetDirectories(directoryPath))
{
DeleteFilesRecursively(directory);
}
}
/// <exclude />
public static bool RemoveReadOnly(string filePath)
{
if (C1File.Exists(filePath) == false)
{
return(false);
}
FileAttributes fileAttributes = C1File.GetAttributes(filePath);
if ((fileAttributes & FileAttributes.ReadOnly) == FileAttributes.ReadOnly)
{
fileAttributes ^= FileAttributes.ReadOnly;
C1File.SetAttributes(filePath, fileAttributes);
}
return(true);
}
public static bool WritePermissionGranted(string fileOrDirectoryPath)
{
try
{
AuthorizationRuleCollection rules;
if (C1File.Exists(fileOrDirectoryPath))
{
FileSystemSecurity security = File.GetAccessControl(fileOrDirectoryPath);
rules = security.GetAccessRules(true, true, typeof(NTAccount));
}
else if (C1Directory.Exists(fileOrDirectoryPath))
{
DirectorySecurity security = Directory.GetAccessControl(fileOrDirectoryPath);
rules = security.GetAccessRules(true, true, typeof(NTAccount));
}
else
{
throw new FileNotFoundException("File or directory '{0}' does not exist".FormatWith(fileOrDirectoryPath));
}
var currentuser = new WindowsPrincipal(WindowsIdentity.GetCurrent());
bool result = false;
foreach (FileSystemAccessRule rule in rules)
{
if ((rule.FileSystemRights & (FileSystemRights.WriteData | FileSystemRights.Write)) == 0)
{
continue;
}
if (rule.IdentityReference.Value.StartsWith("S-1-"))
{
var sid = new SecurityIdentifier(rule.IdentityReference.Value);
if (!currentuser.IsInRole(sid))
{
continue;
}
}
else
{
if (!currentuser.IsInRole(rule.IdentityReference.Value))
{
continue;
}
}
if (rule.AccessControlType == AccessControlType.Deny)
{
return(false);
}
if (rule.AccessControlType == AccessControlType.Allow)
{
result = true;
}
}
return(result);
}
catch
{
return(false);
}
}