def atom(gplus_id, page_id=None): """Return an Atom-format feed for the given G+ id, possibly from cache.""" if len(gplus_id) != 21: return 'Invalid G+ user ID (must be exactly 21 digits).', 404 # Not Found if page_id and len(page_id) != 21: return 'Invalid G+ page ID (must be exactly 21 digits).', 404 # Not Found cache_key = ATOM_CACHE_KEY_TEMPLATE % gplus_id if page_id: cache_key = '%s-%s' % (cache_key, page_id) response = Cache.get(cache_key) # A frozen Response object if response is None: try: response = generate_atom(gplus_id, page_id) except oauth2.UnavailableException as e: app.logger.warning("Feed request failed - %r", e) flask.abort(e.status) response.add_etag() response.freeze() Cache.set(cache_key, response, time=Config.getint('cache', 'stream-expire')) return response.make_conditional(flask.request)
def atom(gplus_id, page_id=None): """Return an Atom-format feed for the given G+ id, possibly from cache.""" if len(gplus_id) != 21: return 'Invalid G+ user ID (must be exactly 21 digits).', 404 # Not Found if page_id and len(page_id) != 21: return 'Invalid G+ page ID (must be exactly 21 digits).', 404 # Not Found # Google+ is no longer publicly available for consumers. return 'Google+ was sunset for consumer users in April 2019. This feed is no longer available.', 410 # Gone ##### CODE BELOW FOR HISTORICAL PURPOSES ONLY ##### cache_key = ATOM_CACHE_KEY_TEMPLATE % gplus_id if page_id: cache_key = '%s-%s' % (cache_key, page_id) response = Cache.get(cache_key) # A frozen Response object if response is None: try: response = generate_atom(gplus_id, page_id) except oauth2.UnavailableException as e: app.logger.info("Feed request failed - %r", e) flask.abort(e.status) response.add_etag() response.freeze() Cache.set(cache_key, response, time=Config.getint('cache', 'stream-expire')) return response.make_conditional(flask.request)
def get_person_by_id(gplus_id): """A proxy for fetch_person_by_access_token that resolves an id into an access token first.""" # Check the cache first. person = Cache.get(PROFILE_CACHE_KEY_TEMPLATE % gplus_id) if person: return person # If we don't have them cached, try to get an access token. access_token = get_access_token_for_id(gplus_id) return get_person_by_token(access_token)
def get_access_token_for_id(gplus_id): """Get an access token for an id, potentially via refresh token if necessary.""" # Check the cache first. token = Cache.get(ACCESS_TOKEN_CACHE_KEY_TEMPLATE % gplus_id) if token: return token # If we don't have a cached token, see if we have a refresh token available. refresh_token = TokenIdMapping.lookup_refresh_token(gplus_id) if not refresh_token: raise UnavailableException( 'No tokens available for G+ id %s.' % gplus_id, 401) data = { 'client_id': Config.get('oauth', 'client-id'), 'client_secret': Config.get('oauth', 'client-secret'), 'refresh_token': refresh_token, 'grant_type': 'refresh_token', } try: response = session.post(OAUTH2_BASE + '/token', data=data, timeout=GOOGLE_API_TIMEOUT) result = response.json() except requests.exceptions.Timeout: raise UnavailableException('Access token API request timed out.', 504) except Exception as e: raise UnavailableException( 'Access token API request raised exception "%r".' % e, 502) if 'invalid_grant' in result: # The provided refresh token is invalid which means the user has revoked # access to their content - thus, pluss should forget about them. Cache.delete(ACCESS_TOKEN_CACHE_KEY_TEMPLATE % gplus_id) Cache.delete(PROFILE_CACHE_KEY_TEMPLATE % gplus_id) TokenIdMapping.remove_id(gplus_id) raise UnvailableException('Access revoked for G+ id %s.' % gplus_id) elif response.status_code != 200: app.logger.error( 'Non-200 response to access token refresh request (%s): "%r".', response.status_code, result) raise UnavailableException( 'Failed to refresh access token for G+ id %s.' % gplus_id, 502) elif result.get('token_type') != 'Bearer': app.logger.error('Unknown token type "%s" refreshed for G+ id %s.', result.get('token_type'), gplus_id) raise UnavailableException( 'Failed to refresh access token for G+ id %s.' % gplus_id, 502) token = result['access_token'] Cache.set(ACCESS_TOKEN_CACHE_KEY_TEMPLATE % gplus_id, token, time=result['expires_in']) return token
def get_access_token_for_id(gplus_id): """Get an access token for an id, potentially via refresh token if necessary.""" # Check the cache first. token = Cache.get(ACCESS_TOKEN_CACHE_KEY_TEMPLATE % gplus_id) if token: return token # If we don't have a cached token, see if we have a refresh token available. refresh_token = TokenIdMapping.lookup_refresh_token(gplus_id) if not refresh_token: raise UnavailableException('No tokens available for G+ id %s.' % gplus_id, 401) data = { 'client_id': Config.get('oauth', 'client-id'), 'client_secret': Config.get('oauth', 'client-secret'), 'refresh_token': refresh_token, 'grant_type': 'refresh_token', } try: response = session.post(OAUTH2_BASE + '/token', data=data, timeout=GOOGLE_API_TIMEOUT) result = response.json() except requests.exceptions.Timeout: raise UnavailableException('Access token API request timed out.', 504) except Exception as e: raise UnavailableException('Access token API request raised exception "%r".' % e, 502) if 'invalid_grant' in result or ('error' in result and result['error'] == 'invalid_grant'): # The provided refresh token is invalid which means the user has revoked # access to their content - thus, pluss should forget about them. Cache.delete(ACCESS_TOKEN_CACHE_KEY_TEMPLATE % gplus_id) Cache.delete(PROFILE_CACHE_KEY_TEMPLATE % gplus_id) TokenIdMapping.remove_id(gplus_id) raise UnavailableException('Access revoked for G+ id %s.' % gplus_id, 502) elif response.status_code != 200: app.logger.error('Non-200 response to access token refresh request (%s): "%r".', response.status_code, result) raise UnavailableException('Failed to refresh access token for G+ id %s.' % gplus_id, 502) elif result.get('token_type') != 'Bearer': app.logger.error('Unknown token type "%s" refreshed for G+ id %s.', result.get('token_type'), gplus_id) raise UnavailableException('Failed to refresh access token for G+ id %s.' % gplus_id, 502) token = result['access_token'] Cache.set(ACCESS_TOKEN_CACHE_KEY_TEMPLATE % gplus_id, token, time=result['expires_in']) return token