/// <summary>
/// Ensures that the directory exists
/// </summary>
public static void EnsureDirectoryExists(string directory)
{
string[] directories = directory.Split(Path.DirectorySeparatorChar);
if (directories.Length == 2)
{
return;
}
string currentPath = string.Format("{0}{1}", directories[0], Path.DirectorySeparatorChar);
for (int i = 1; i < directories.Length; ++i)
{
currentPath = string.Format("{0}{1}{2}", currentPath, directories[i], Path.DirectorySeparatorChar);
if (currentPath.StartsWith(PathUtil.BaseDirectory, StringComparison.InvariantCultureIgnoreCase)) // don't touch dirs outside our own folder!
{
if (C1Directory.Exists(currentPath) == false)
{
C1Directory.CreateDirectory(currentPath);
}
}
}
}
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);
}
}
