17018ed39c
The purpose is to make the WebRTC performance metrics easier to overview. BUG= R=kjellander@webrtc.org Review URL: https://webrtc-codereview.appspot.com/2081004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@4583 4adac7df-926f-26a2-2b94-8c16560cd09d
70 lines
2.7 KiB
Python
70 lines
2.7 KiB
Python
#!/usr/bin/env python
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#-*- coding: utf-8 -*-
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# Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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#
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# Use of this source code is governed by a BSD-style license
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# that can be found in the LICENSE file in the root of the source
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# tree. An additional intellectual property rights grant can be found
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# in the file PATENTS. All contributing project authors may
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# be found in the AUTHORS file in the root of the source tree.
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"""Provides a OAuth request handler base class."""
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from google.appengine.api import oauth
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import logging
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import webapp2
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class UserNotAuthenticatedException(Exception):
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"""Gets thrown if a user is not permitted to store data."""
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pass
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class OAuthPostRequestHandler(webapp2.RequestHandler):
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"""Works like a normal request handler but adds OAuth authentication.
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This handler will expect a proper OAuth request over POST. This abstract
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class deals with the authentication but leaves user-defined data handling
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to its subclasses. Subclasses should not implement the post() method but
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the _parse_and_store_data() method. Otherwise they may act like regular
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request handlers. Subclasses should NOT override the get() method.
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The handler will accept an OAuth request if it is correctly formed and
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the consumer is acting on behalf of an administrator for the dashboard.
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"""
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def __init__(self, request=None, response=None):
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webapp2.RequestHandler.__init__(self, request, response)
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def post(self):
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try:
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self._authenticate_user()
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except UserNotAuthenticatedException as exception:
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logging.warn('Failed to authenticate: %s.' % exception)
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self.response.set_status(403)
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return
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# Do the actual work.
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self._parse_and_store_data()
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def _parse_and_store_data(self):
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"""Reads data from POST request and responds accordingly."""
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raise NotImplementedError('You must override this method!')
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@staticmethod
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def _authenticate_user():
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try:
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if oauth.is_current_user_admin():
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# The user on whose behalf we are acting is indeed an administrator
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# of this application, so we're good to go.
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logging.info('Authenticated on behalf of user %s.' %
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oauth.get_current_user())
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return
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else:
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raise UserNotAuthenticatedException('We are acting on behalf of '
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'user %s, but that user is not '
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'an administrator.' %
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oauth.get_current_user())
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except oauth.OAuthRequestError as exception:
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raise UserNotAuthenticatedException('Invalid OAuth request: %s' %
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exception.__class__.__name__)
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