[pinpoint] Gerrit patch support.

dashboard/dashboard/services/request.py

 # Copyright 2017 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import httplib
 import json
 import urllib
 
 from dashboard.common import utils
 
 
+_VULNERABILITY_PREFIX = ")]}'\n"
+
+
 def RequestJson(*args, **kwargs):
   """Fetch a URL and JSON-decode the response.
 
   See the documentation for Request() for details
   about the arguments and exceptions.
   """
-  return json.loads(Request(*args, **kwargs))
+  content = Request(*args, **kwargs)
+  if content.startswith(_VULNERABILITY_PREFIX):
+    content = content[len(_VULNERABILITY_PREFIX):]
+  return json.loads(content)
 
 
 def Request(url, method='GET', body=None, **parameters):
   """Fetch a URL while authenticated as the service account.
 
   Args:
     method: The HTTP request method. E.g. 'GET', 'POST', 'PUT'.
     body: The request body as a Python object. It will be JSON-encoded.
     parameters: Parameters to be encoded in the URL query string.
 
@@ skipping 28 matching lines @@
 
 def _RequestAndProcessHttpErrors(*args, **kwargs):
   """Requests a URL, converting HTTP errors to Python exceptions."""
   http = utils.ServiceAccountHttp(timeout=10)
   response, content = http.request(*args, **kwargs)
   if not response['status'].startswith('2'):
     raise httplib.HTTPException(
         'HTTP status code %s: %s' % (response['status'], content))
 
   return content