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)