symlink protection

Author: usmannasir

filemanager/filemanager.py

@@ -335,7 +335,7 @@ def writeFileContents(self):
             command = 'ls -la %s' % (self.data['fileName'])
             output = ProcessUtilities.outputExecutioner(command)
 
-            if output.find(website.externalApp) == -1 and output.find('No such file') == -1:
+            if output.find('lrwxrwxrwx') > -1 and output.find('->') > -1:
                 return self.ajaxPre(0, 'File exists and is symlink.')
 
             if self.data['fileName'].find(self.data['home']) == -1 or self.data['fileName'].find('..') > -1: