diff options
Diffstat (limited to 'python-tornado/Pubnub.py')
| -rw-r--r-- | python-tornado/Pubnub.py | 709 |
1 files changed, 0 insertions, 709 deletions
diff --git a/python-tornado/Pubnub.py b/python-tornado/Pubnub.py deleted file mode 100644 index 89c0d97..0000000 --- a/python-tornado/Pubnub.py +++ /dev/null @@ -1,709 +0,0 @@ -## www.pubnub.com - PubNub Real-time push service in the cloud. -# coding=utf8 - -## PubNub Real-time Push APIs and Notifications Framework -## Copyright (c) 2010 Stephen Blum -## http://www.pubnub.com/ - -## ----------------------------------- -## PubNub 3.3.5 Real-time Push Cloud API -## ----------------------------------- - - -from Crypto.Cipher import AES -from Crypto.Hash import MD5 -from base64 import encodestring, decodestring -import hashlib -import hmac - -class PubnubCrypto() : - """ - #** - #* PubnubCrypto - #* - #** - - ## Initiate Class - pc = PubnubCrypto - - """ - - def pad( self, msg, block_size=16 ): - """ - #** - #* pad - #* - #* pad the text to be encrypted - #* appends a padding character to the end of the String - #* until the string has block_size length - #* @return msg with padding. - #** - """ - padding = block_size - (len(msg) % block_size) - return msg + chr(padding)*padding - - def depad( self, msg ): - """ - #** - #* depad - #* - #* depad the decryptet message" - #* @return msg without padding. - #** - """ - return msg[0:-ord(msg[-1])] - - def getSecret( self, key ): - """ - #** - #* getSecret - #* - #* hases the key to MD5 - #* @return key in MD5 format - #** - """ - return hashlib.sha256(key).hexdigest() - - def encrypt( self, key, msg ): - """ - #** - #* encrypt - #* - #* encrypts the message - #* @return message in encrypted format - #** - """ - secret = self.getSecret(key) - Initial16bytes='0123456789012345' - cipher = AES.new(secret[0:32],AES.MODE_CBC,Initial16bytes) - enc = encodestring(cipher.encrypt(self.pad(msg))) - return enc - def decrypt( self, key, msg ): - """ - #** - #* decrypt - #* - #* decrypts the message - #* @return message in decryped format - #** - """ - secret = self.getSecret(key) - Initial16bytes='0123456789012345' - cipher = AES.new(secret[0:32],AES.MODE_CBC,Initial16bytes) - return self.depad((cipher.decrypt(decodestring(msg)))) - - -try: import json -except ImportError: import simplejson as json - -import time -import hashlib -import urllib2 -import uuid - -class PubnubBase(object): - def __init__( - self, - publish_key, - subscribe_key, - secret_key = False, - cipher_key = False, - ssl_on = False, - origin = 'pubsub.pubnub.com', - UUID = None - ) : - """ - #** - #* Pubnub - #* - #* Init the Pubnub Client API - #* - #* @param string publish_key required key to send messages. - #* @param string subscribe_key required key to receive messages. - #* @param string secret_key optional key to sign messages. - #* @param boolean ssl required for 2048 bit encrypted messages. - #* @param string origin PUBNUB Server Origin. - #* @param string pres_uuid optional identifier for presence (auto-generated if not supplied) - #** - - ## Initiat Class - pubnub = Pubnub( 'PUBLISH-KEY', 'SUBSCRIBE-KEY', 'SECRET-KEY', False ) - - """ - self.origin = origin - self.limit = 1800 - self.publish_key = publish_key - self.subscribe_key = subscribe_key - self.secret_key = secret_key - self.cipher_key = cipher_key - self.ssl = ssl_on - self.pc = PubnubCrypto() - - if self.ssl : - self.origin = 'https://' + self.origin - else : - self.origin = 'http://' + self.origin - - self.uuid = UUID or str(uuid.uuid4()) - - if not isinstance(self.uuid, basestring): - raise AttributeError("pres_uuid must be a string") - - def sign(self, channel, message): - ## Sign Message - if self.secret_key: - signature = hashlib.md5('/'.join([ - self.publish_key, - self.subscribe_key, - self.secret_key, - channel, - message - ])).hexdigest() - else: - signature = '0' - return signature - - def encrypt(self, message): - if self.cipher_key: - message = json.dumps(self.pc.encrypt(self.cipher_key, json.dumps(message)).replace('\n','')) - else : - message = json.dumps(message) - - return message; - - def decrypt(self, message): - if self.cipher_key: - message = self.pc.decrypt(self.cipher_key, message) - - return message - - - def publish( self, args ) : - """ - #** - #* Publish - #* - #* Send a message to a channel. - #* - #* @param array args with channel and message. - #* @return array success information. - #** - - ## Publish Example - info = pubnub.publish({ - 'channel' : 'hello_world', - 'message' : { - 'some_text' : 'Hello my World' - } - }) - print(info) - - """ - ## Fail if bad input. - if not (args['channel'] and args['message']) : - return [ 0, 'Missing Channel or Message' ] - - ## Capture User Input - channel = str(args['channel']) - - ## Capture Callback - if args.has_key('callback') : - callback = args['callback'] - else : - callback = None - - #message = json.dumps(args['message'], separators=(',',':')) - message = self.encrypt(args['message']) - - signature = self.sign(channel, message) - - ## Send Message - return self._request({"urlcomponents": [ - 'publish', - self.publish_key, - self.subscribe_key, - signature, - channel, - '0', - message - ]}, callback) - - def presence( self, args ) : - """ - #** - #* presence - #* - #* This is BLOCKING. - #* Listen for presence events on a channel. - #* - #* @param array args with channel and callback. - #* @return false on fail, array on success. - #** - - ## Presence Example - def pres_event(message) : - print(message) - return True - - pubnub.presence({ - 'channel' : 'hello_world', - 'callback' : receive - }) - """ - - ## Fail if missing channel - if not 'channel' in args : - raise Exception('Missing Channel.') - return False - - ## Fail if missing callback - if not 'callback' in args : - raise Exception('Missing Callback.') - return False - - ## Capture User Input - channel = str(args['channel']) - callback = args['callback'] - subscribe_key = args.get('subscribe_key') or self.subscribe_key - - return self.subscribe({'channel': channel+'-pnpres', 'subscribe_key':subscribe_key, 'callback': callback}) - - - def here_now( self, args ) : - """ - #** - #* Here Now - #* - #* Load current occupancy from a channel. - #* - #* @param array args with 'channel'. - #* @return mixed false on fail, array on success. - #* - - ## Presence Example - here_now = pubnub.here_now({ - 'channel' : 'hello_world', - }) - print(here_now['occupancy']) - print(here_now['uuids']) - - """ - channel = str(args['channel']) - - ## Capture Callback - if args.has_key('callback') : - callback = args['callback'] - else : - callback = None - - ## Fail if bad input. - if not channel : - raise Exception('Missing Channel') - return False - - ## Get Presence Here Now - return self._request({"urlcomponents": [ - 'v2','presence', - 'sub_key', self.subscribe_key, - 'channel', channel - ]}, callback); - - - def history( self, args ) : - """ - #** - #* History - #* - #* Load history from a channel. - #* - #* @param array args with 'channel' and 'limit'. - #* @return mixed false on fail, array on success. - #* - - ## History Example - history = pubnub.history({ - 'channel' : 'hello_world', - 'limit' : 1 - }) - print(history) - - """ - ## Capture User Input - limit = args.has_key('limit') and int(args['limit']) or 10 - channel = str(args['channel']) - - ## Fail if bad input. - if not channel : - raise Exception('Missing Channel') - return False - - ## Capture Callback - if args.has_key('callback') : - callback = args['callback'] - else : - callback = None - - ## Get History - return self._request({ "urlcomponents" : [ - 'history', - self.subscribe_key, - channel, - '0', - str(limit) - ] }, callback); - - def detailedHistory(self, args) : - """ - #** - #* Detailed History - #* - #* Load Detailed history from a channel. - #* - #* @param array args with 'channel', optional: 'start', 'end', 'reverse', 'count' - #* @return mixed false on fail, array on success. - #* - - ## History Example - history = pubnub.detailedHistory({ - 'channel' : 'hello_world', - 'count' : 5 - }) - print(history) - - """ - ## Capture User Input - channel = str(args['channel']) - - params = dict() - count = 100 - - if args.has_key('count'): - count = int(args['count']) - - params['count'] = str(count) - - if args.has_key('reverse'): - params['reverse'] = str(args['reverse']).lower() - - if args.has_key('start'): - params['start'] = str(args['start']) - - if args.has_key('end'): - params['end'] = str(args['end']) - - ## Fail if bad input. - if not channel : - raise Exception('Missing Channel') - return False - - ## Capture Callback - if args.has_key('callback') : - callback = args['callback'] - else : - callback = None - - ## Get History - return self._request({ 'urlcomponents' : [ - 'v2', - 'history', - 'sub-key', - self.subscribe_key, - 'channel', - channel, - ],'urlparams' : params }, callback=callback); - - def time(self, args = None) : - """ - #** - #* Time - #* - #* Timestamp from PubNub Cloud. - #* - #* @return int timestamp. - #* - - ## PubNub Server Time Example - timestamp = pubnub.time() - print(timestamp) - - """ - ## Capture Callback - if args and args.has_key('callback') : - callback = args['callback'] - else : - callback = None - time = self._request({'urlcomponents' : [ - 'time', - '0' - ]}, callback) - if time != None: - return time[0] - - - def _encode( self, request ) : - return [ - "".join([ ' ~`!@#$%^&*()+=[]\\{}|;\':",./<>?'.find(ch) > -1 and - hex(ord(ch)).replace( '0x', '%' ).upper() or - ch for ch in list(bit) - ]) for bit in request] - - def getUrl(self,request): - ## Build URL - url = self.origin + '/' + "/".join([ - "".join([ ' ~`!@#$%^&*()+=[]\\{}|;\':",./<>?'.find(ch) > -1 and - hex(ord(ch)).replace( '0x', '%' ).upper() or - ch for ch in list(bit) - ]) for bit in request["urlcomponents"]]) - if (request.has_key("urlparams")): - url = url + '?' + "&".join([ x + "=" + y for x,y in request["urlparams"].iteritems()]) - return url - - -try: - from hashlib import sha256 - digestmod = sha256 -except ImportError: - import Crypto.Hash.SHA256 as digestmod - sha256 = digestmod.new -import hmac - -class PubnubCoreAsync(PubnubBase): - - def start(self): pass - def stop(self): pass - def timeout( self, delay, callback ): - pass - - def __init__( - self, - publish_key, - subscribe_key, - secret_key = False, - cipher_key = False, - ssl_on = False, - origin = 'pubsub.pubnub.com', - uuid = None - ) : - """ - #** - #* Pubnub - #* - #* Init the Pubnub Client API - #* - #* @param string publish_key required key to send messages. - #* @param string subscribe_key required key to receive messages. - #* @param string secret_key required key to sign messages. - #* @param boolean ssl required for 2048 bit encrypted messages. - #* @param string origin PUBNUB Server Origin. - #** - - ## Initiat Class - pubnub = Pubnub( 'PUBLISH-KEY', 'SUBSCRIBE-KEY', 'SECRET-KEY', False ) - - """ - super(PubnubCoreAsync, self).__init__( - publish_key=publish_key, - subscribe_key=subscribe_key, - secret_key=secret_key, - cipher_key=cipher_key, - ssl_on=ssl_on, - origin=origin, - UUID=uuid - ) - - self.subscriptions = {} - self.timetoken = 0 - self.version = '3.3.4' - self.accept_encoding = 'gzip' - - def subscribe( self, args ) : - """ - #** - #* Subscribe - #* - #* This is NON-BLOCKING. - #* Listen for a message on a channel. - #* - #* @param array args with channel and message. - #* @return false on fail, array on success. - #** - - ## Subscribe Example - def receive(message) : - print(message) - return True - - ## On Connect Callback - def connected() : - pubnub.publish({ - 'channel' : 'hello_world', - 'message' : { 'some_var' : 'text' } - }) - - ## Subscribe - pubnub.subscribe({ - 'channel' : 'hello_world', - 'connect' : connected, - 'callback' : receive - }) - - """ - ## Fail if missing channel - if not 'channel' in args : - return 'Missing Channel.' - - ## Fail if missing callback - if not 'callback' in args : - return 'Missing Callback.' - - ## Capture User Input - channel = str(args['channel']) - callback = args['callback'] - connectcb = args['connect'] - - if 'errorback' in args: - errorback = args['errorback'] - else: - errorback = lambda x: x - - ## New Channel? - if not (channel in self.subscriptions) : - self.subscriptions[channel] = { - 'first' : False, - 'connected' : False, - } - - ## Ensure Single Connection - if self.subscriptions[channel]['connected'] : - return "Already Connected" - - self.subscriptions[channel]['connected'] = 1 - ## SUBSCRIPTION RECURSION - def _subscribe(): - ## STOP CONNECTION? - if not self.subscriptions[channel]['connected']: - return - - def sub_callback(response): - if not self.subscriptions[channel]['first'] : - self.subscriptions[channel]['first'] = True - connectcb() - - ## STOP CONNECTION? - if not self.subscriptions[channel]['connected']: - return - - - - ## PROBLEM? - if not response: - def time_callback(_time): - if not _time: - self.timeout( 1, _subscribe ) - return errorback("Lost Network Connection") - else: - self.timeout( 1, _subscribe) - - ## ENSURE CONNECTED (Call Time Function) - return self.time({ 'callback' : time_callback }) - - self.timetoken = response[1] - _subscribe() - - pc = PubnubCrypto() - out = [] - for message in response[0]: - callback(self.decrypt(message)) - - ## CONNECT TO PUBNUB SUBSCRIBE SERVERS - try: - self._request( { "urlcomponents" : [ - 'subscribe', - self.subscribe_key, - channel, - '0', - str(self.timetoken) - ], "urlparams" : {"uuid":self.uuid} }, sub_callback ) - except : - self.timeout( 1, _subscribe) - return - - ## BEGIN SUBSCRIPTION (LISTEN FOR MESSAGES) - _subscribe() - def unsubscribe( self, args ): - channel = str(args['channel']) - if not (channel in self.subscriptions): - return False - - ## DISCONNECT - self.subscriptions[channel]['connected'] = 0 - self.subscriptions[channel]['timetoken'] = 0 - self.subscriptions[channel]['first'] = False - - -import tornado.httpclient - -try: - from hashlib import sha256 - digestmod = sha256 -except ImportError: - import Crypto.Hash.SHA256 as digestmod - sha256 = digestmod.new - -import hmac -import tornado.ioloop -from tornado.stack_context import ExceptionStackContext - -ioloop = tornado.ioloop.IOLoop.instance() - -class Pubnub(PubnubCoreAsync): - - def stop(self): ioloop.stop() - def start(self): ioloop.start() - def timeout( self, delay, callback): - ioloop.add_timeout( time.time()+float(delay), callback ) - - def __init__( - self, - publish_key, - subscribe_key, - secret_key = False, - cipher_key = False, - ssl_on = False, - origin = 'pubsub.pubnub.com' - ) : - super(Pubnub, self).__init__( - publish_key=publish_key, - subscribe_key=subscribe_key, - secret_key=secret_key, - cipher_key=cipher_key, - ssl_on=ssl_on, - origin=origin, - ) - self.headers = {} - self.headers['User-Agent'] = 'Python-Tornado' - self.headers['Accept-Encoding'] = self.accept_encoding - self.headers['V'] = self.version - self.http = tornado.httpclient.AsyncHTTPClient(max_clients=1000) - - def _request( self, request, callback ) : - url = self.getUrl(request) - ## Send Request Expecting JSON Response - #print self.headers - - request = tornado.httpclient.HTTPRequest( url, 'GET', self.headers, connect_timeout=10, request_timeout=310 ) - - def responseCallback(response): - def handle_exc(*args): - return True - if response.error is not None: - with ExceptionStackContext(handle_exc): - response.rethrow() - elif callback: - callback(eval(response._get_body())) - - self.http.fetch( - request, - callback=responseCallback, - ) - |
