def getIdFromUrl(url): if stringutils.isEmpty(url): return None url = urlsplit(url) path = url.path if stringutils.isNotEmpty(url.path) else "/" # normalize referrers down to a path (get rid of query+fragment) seed = "%s://%s%s" % (url.scheme, url.netloc, path) return hashlib.md5(seed).hexdigest()
def onApiRequest(self):
id = self.param(settings.CHATROOM_ID_PARAM)
token = self.param(settings.TOKEN_PARAM)
name = self.param(settings.CHATROOM_NAME_PARAM, "", settings.ROOM_NAME_CHARACTER_LIMIT, True)
participants = 0
chatroom = None
if stringutils.isNotEmpty(id):
chatroom = chatroomservice.getChatroom(id)
if chatroom is None: # check for bad IDs
id = None
if stringutils.isEmpty(id):
id = chatroomservice.getIdFromUrl(self.request.referrer)
if stringutils.isNotEmpty(id):
chatroom = chatroomservice.getChatroom(id)
if chatroom is None:
chatroom = Chatroom(id, name)
chatroomservice.cacheAndEnqueueSave(chatroom)
elif len(name) > 0 and (name != chatroom.getName()):
chatroom.setName(name)
chatroomservice.cacheAndEnqueueSave(chatroom)
if channelservice.isValidToken(id, token):
participants = channelservice.activateToken(id, token)
else:
token, participants = channelservice.createToken(id)
channelservice.updateParticipantCount(id, token)
self.sendApiResponse({
'token': token,
'chatroom': chatroom.asLiteral(),
'participants': participants,
'settings': settings.getClientSettings()
})
else:
self.sendApiError('invalid or missing referrer', 401)
def param(self, key, default="", size=0, sanitize=False): value = self.request.get(key).strip() if stringutils.isEmpty(value): value = default if size > 0: value = value[0:size] if sanitize: value = htmlutils.escape(value) return value
def serveAsset(self, path, timeout=settings.ASSET_CACHE_WINDOW):
cacheKey = self.getCacheKey(path, self.assetVersion)
asset = memcache.get(cacheKey)
if stringutils.isEmpty(asset) or not settings.CACHE_ASSETS:
if os.path.exists(path):
asset = open(path).read()
if stringutils.isNotEmpty(asset):
memcache.set(cacheKey, asset, timeout)
else:
return self.send("Empty Asset - %s" % path, 409)
else:
return self.send("Missing Asset - %s" % path, 404)
self.send(asset)