Scroll to the bottom for sample files you can download. The sections below also contain a line-numbered copy for quick reference.
oauth/demo/app.yaml
1: application: oauth-demo 2: version: 1 3: runtime: python 4: api_version: 1 5: 6: handlers: 7: - url: .* 8: script: oauth-demo.py
oauth/demo/oauth-demo.py
1: #!/usr/bin/env python 2: # 3: # Copyright 2009 Google Inc. 4: # 5: # Licensed under the Apache License, Version 2.0 (the "License"); 6: # you may not use this file except in compliance with the License. 7: # You may obtain a copy of the License at 8: # 9: # http://www.apache.org/licenses/LICENSE-2.0 10: # 11: # Unless required by applicable law or agreed to in writing, software 12: # distributed under the License is distributed on an "AS IS" BASIS, 13: # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14: # See the License for the specific language governing permissions and 15: # limitations under the License. 16: # 17: 18: """Simple app to demonstrate OAuth support. 19: 20: Exposes one handler that responds to 2-legged OAuth requests. 21: """ 22: 23: 24: import logging 25: import sys 26: from google.appengine.ext import webapp 27: import oauth 28: import wsgiref.handlers 29: 30: 31: class OAuth2LeggedHandler(webapp.RequestHandler): 32: """Handler for 2-legged OAuth requests.""" 33: 34: def get(self): 35: """Handle GET events.""" 36: try: 37: out = ('Signature is valid. OAuth consumer key: %s' 38: % oauth.get_oauth_consumer_key()) 39: except oauth.InvalidOAuthRequestError, e: 40: out = 'InvalidOAuthRequestError: %s' % e 41: except oauth.OAuthError, e: 42: out = 'OAuthError: %s' % e 43: except Exception, e: 44: out = 'Exception: %s' % e 45: finally: 46: self.response.out.write(out) 47: logging.info(out) 48: 49: def post(self): 50: """Handle POST events.""" 51: self.get() 52: 53: 54: # Map URLs to our RequestHandler classes above 55: _URLS = [ 56: ('/oauth2legged', OAuth2LeggedHandler), 57: ] 58: 59: 60: def main(argv): 61: application = webapp.WSGIApplication(_URLS, debug=True) 62: wsgiref.handlers.CGIHandler().run(application) 63: 64: if __name__ == '__main__': 65: main(sys.argv)
oauth/demo/oauth.py
1: #!/usr/bin/env python 2: # 3: # Copyright 2009 Google Inc. 4: # 5: # Licensed under the Apache License, Version 2.0 (the "License"); 6: # you may not use this file except in compliance with the License. 7: # You may obtain a copy of the License at 8: # 9: # http://www.apache.org/licenses/LICENSE-2.0 10: # 11: # Unless required by applicable law or agreed to in writing, software 12: # distributed under the License is distributed on an "AS IS" BASIS, 13: # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14: # See the License for the specific language governing permissions and 15: # limitations under the License. 16: # 17: 18: """Python library for OAuth support. 19: 20: Classes defined here: 21: OAuthError 22: InvalidOAuthRequestError 23: """ 24: 25: 26: from google.appengine.api import apiproxy_stub_map 27: from google.appengine.api import user_service_pb 28: from google.appengine.api import users 29: from google.appengine.runtime import apiproxy_errors 30: 31: 32: class OAuthError(users.Error): 33: """Base OAuth error type.""" 34: 35: 36: class InvalidOAuthRequestError(OAuthError): 37: """Raised if the request was invalid.""" 38: 39: 40: def get_oauth_consumer_key(): 41: """Returns the oauth_consumer_key from the request. 42: 43: Returns: 44: string 45: 46: Raises: 47: InvalidOAuthRequestError: The OAuth request was malformed, contained a 48: bad signature, or was otherwise invalid. 49: OAuthError: An unknown error occurred. 50: """ 51: req = user_service_pb.CheckOAuthSignatureRequest() 52: resp = user_service_pb.CheckOAuthSignatureResponse() 53: try: 54: apiproxy_stub_map.MakeSyncCall('user', 'CheckOAuthSignature', req, resp) 55: except apiproxy_errors.ApplicationError, e: 56: if (e.application_error == 57: user_service_pb.UserServiceError.OAUTH_INVALID_REQUEST): 58: raise InvalidOAuthRequestError 59: elif (e.application_error == 60: user_service_pb.UserServiceError.OAUTH_ERROR): 61: raise OAuthError 62: else: 63: raise e 64: return resp.oauth_consumer_key()