def instagram_push_update():
data = request.stream.read()
instagram_client_secret = Configuration.value_for_name('instagram_client_secret')
server_signature = request.headers.get('X-Hub-Signature', None)
signature = hmac.new(str(instagram_client_secret), data, digestmod=hashlib.sha1).hexdigest()
if server_signature != signature:
logger.warn('Got PuSH subscribe POST from instagram w/o valid signature: sent=%s != expected=%s',
server_signature, signature)
raise ndb.Return('')
logger.info('Got PuSH body: %s', data)
logger.info('Got PuSH headers: %s', request.headers)
parsed_feed = json.loads(data)
user_ids = [int(x.get('object_id')) for x in parsed_feed]
feeds = InstagramFeed.query(InstagramFeed.user_id.IN(user_ids))
cursor = None
more = True
keys = []
while more:
feed_keys, cursor, more = feeds.fetch_page(100, keys_only=True, start_cursor=cursor)
keys += feed_keys
keys = ','.join([x.urlsafe() for x in keys])
if keys:
yield Queue('poll').add_async(Task(url=url_for('tq_feed_poll'), method='POST', params={'keys': keys}))
raise ndb.Return('ok')
def instagram_subscribe():
mode = request.args['hub.mode']
challenge = request.args['hub.challenge']
verify_token = request.args.get('hub.verify_token')
if mode == 'subscribe':
instagram_verify_token = Configuration.value_for_name('instagram_verify_token')
if verify_token and verify_token != instagram_verify_token:
logger.info('Failed verification feed.verify_token:%s GET verify_token:%s', instagram_verify_token, verify_token)
return "Failed Verification", 400
logger.info('Responding to instagram challange: %s', challenge)
return challenge