py3 fixes

Author: aptalca

root/app/ldap-backend-app.py

@@ -136,7 +136,7 @@ def do_POST(self):
 
             cipher_suite = Fernet(REPLACEWITHFERNETKEY)
             enc = cipher_suite.encrypt(ensure_bytes(user + ':' + passwd))
-            self.send_header('Set-Cookie', b'nginxauth=' + enc + b'; httponly')
+            self.send_header('Set-Cookie', 'nginxauth=' + enc + '; httponly')
 
             self.send_header('Location', target)
             self.end_headers()

root/app/nginx-ldap-auth-daemon.py

@@ -88,11 +88,12 @@ def do_GET(self):
             cipher_suite = Fernet(REPLACEWITHFERNETKEY)
             self.log_message('Trying to dechipher credentials...')
             auth_decoded = cipher_suite.decrypt(auth_header[6:])
+            auth_decoded = auth_decoded.decode("utf-8")
             user, passwd = auth_decoded.split(':', 1)
         except InvalidToken:
             self.log_message('Incorrect token. Trying to decode credentials from BASE64...')
             auth_decoded = base64.b64decode(auth_header[6:])
-            if sys.version_info.major == 3: auth_decoded = auth_decoded.decode("utf-8")
+            auth_decoded = auth_decoded.decode("utf-8")
             user, passwd = auth_decoded.split(':', 1)
         except Exception as e:
             self.auth_failed(ctx)