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 main():
"""Display the homepage."""
gplus_id = flask.request.cookies.get('gplus_id')
if gplus_id:
# If we lost rights, but someone still has the cookie, get rid of it.
if not TokenIdMapping.lookup_refresh_token(gplus_id):
return flask.redirect(flask.url_for('clear'))
# Display a page indicating the user's feed URL, since they've authed.
return flask.render_template('authed_main.html', datetime=datetime, gplus_id=gplus_id,
feed_url=full_url_for('user_atom', gplus_id=gplus_id))
else:
return flask.render_template('main.html', datetime=datetime)
def main():
"""Display the homepage."""
gplus_id = flask.request.cookies.get('gplus_id')
if gplus_id:
# If we lost rights, but someone still has the cookie, get rid of it.
if not TokenIdMapping.lookup_refresh_token(gplus_id):
return flask.redirect(flask.url_for('clear'))
# Display a page indicating the user's feed URL, since they've authed.
return flask.render_template('authed_main.html',
datetime=datetime,
gplus_id=gplus_id,
feed_url=full_url_for('user_atom',
gplus_id=gplus_id))
else:
return flask.render_template('main.html', datetime=datetime)
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
