public static Process Start(ProcessStartInfo processStartInfo)
{
if (!PlatformCheck.CurrentlyRunningInWindows())
{
MakeFileRunnable(processStartInfo);
}
return(Process.Start(processStartInfo));
}
public static bool HaveWritePermissionsForFolder(string path)
{
if (!PlatformCheck.CurrentlyRunningInWindows())
{
return(true);
}
string folder = IsDirectory(path) ? path : Path.GetDirectoryName(path);
return(HaveWritePermissionsForFileOrFolder(folder));
}
static PermissionsCheck()
{
if (PlatformCheck.CurrentlyRunningInWindows())
{
groups = WindowsIdentity.GetCurrent().Groups;
}
else
{
groups = new IdentityReferenceCollection();
}
if (PlatformCheck.CurrentlyRunningInWindows())
{
sidCurrentUser = WindowsIdentity.GetCurrent().User.Value;
}
}
public static bool HaveWritePermissionsForFileOrFolder(string path)
{
if (!PlatformCheck.CurrentlyRunningInWindows())
{
return(true);
}
AuthorizationRuleCollection rules = Directory.GetAccessControl(path)
.GetAccessRules(true, true, typeof(SecurityIdentifier));
bool allowwrite = false, denywrite = false;
foreach (FileSystemAccessRule rule in rules)
{
if (rule.AccessControlType == AccessControlType.Deny &&
(rule.FileSystemRights & FileSystemRights.WriteData) == FileSystemRights.WriteData &&
(groups.Contains(rule.IdentityReference) || rule.IdentityReference.Value == sidCurrentUser)
)
{
denywrite = true;
}
if (rule.AccessControlType == AccessControlType.Allow &&
(rule.FileSystemRights & FileSystemRights.WriteData) == FileSystemRights.WriteData &&
(groups.Contains(rule.IdentityReference) || rule.IdentityReference.Value == sidCurrentUser)
)
{
allowwrite = true;
}
}
// If we have both allow and deny permissions, the deny takes precident.
if (allowwrite && !denywrite)
{
return(true);
}
return(false);
}
