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_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
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)
