boshclient.py
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import sys, os
import httplib, urllib
import random, binascii
from urlparse import urlparse
from punjab.httpb import HttpbParse
from twisted.words.xish import domish
from twisted.words.protocols.jabber import jid
TLS_XMLNS = 'urn:ietf:params:xml:ns:xmpp-tls'
SASL_XMLNS = 'urn:ietf:params:xml:ns:xmpp-sasl'
BIND_XMLNS = 'urn:ietf:params:xml:ns:xmpp-bind'
SESSION_XMLNS = 'urn:ietf:params:xml:ns:xmpp-session'
class BOSHClient:
def __init__(self, jabberid, password, bosh_service):
self.rid = random.randint(0, 10000000)
self.jabberid = jid.internJID(jabberid)
self.password = password
self.authid = None
self.sid = None
self.logged_in = False
self.headers = {"Content-type": "text/xml",
"Accept": "text/xml"}
self.bosh_service = urlparse(bosh_service)
def buildBody(self, child=None):
"""Build a BOSH body.
"""
body = domish.Element(("http://jabber.org/protocol/httpbind", "body"))
body['content'] = 'text/xml; charset=utf-8'
self.rid = self.rid + 1
body['rid'] = str(self.rid)
body['sid'] = str(self.sid)
body['xml:lang'] = 'en'
if child is not None:
body.addChild(child)
return body
def sendBody(self, body):
"""Send the body.
"""
parser = HttpbParse(True)
# start new session
conn = httplib.HTTPConnection(self.bosh_service.netloc)
conn.request("POST", self.bosh_service.path,
body.toXml(), self.headers)
response = conn.getresponse()
data = ''
if response.status == 200:
data = response.read()
conn.close()
return parser.parse(data)
def startSessionAndAuth(self, hold='1', wait='70'):
# Create a session
# create body
body = domish.Element(("http://jabber.org/protocol/httpbind", "body"))
body['content'] = 'text/xml; charset=utf-8'
body['hold'] = hold
body['rid'] = str(self.rid)
body['to'] = self.jabberid.host
body['wait'] = wait
body['window'] = '5'
body['xml:lang'] = 'en'
retb, elems = self.sendBody(body)
if type(retb) != str and retb.hasAttribute('authid') and \
retb.hasAttribute('sid'):
self.authid = retb['authid']
self.sid = retb['sid']
# go ahead and auth
auth = domish.Element((SASL_XMLNS, 'auth'))
auth['mechanism'] = 'PLAIN'
# TODO: add authzid
if auth['mechanism'] == 'PLAIN':
auth_str = ""
auth_str += "\000"
auth_str += self.jabberid.user.encode('utf-8')
auth_str += "\000"
try:
auth_str += self.password.encode('utf-8').strip()
except UnicodeDecodeError:
auth_str += self.password.decode('latin1') \
.encode('utf-8').strip()
auth.addContent(binascii.b2a_base64(auth_str))
retb, elems = self.sendBody(self.buildBody(auth))
if len(elems) == 0:
# poll for data
retb, elems = self.sendBody(self.buildBody())
if len(elems) > 0:
if elems[0].name == 'success':
retb, elems = self.sendBody(self.buildBody())
has_bind = False
for child in elems[0].children:
if child.name == 'bind':
has_bind = True
break
if has_bind:
iq = domish.Element(('jabber:client', 'iq'))
iq['type'] = 'set'
iq.addUniqueId()
iq.addElement('bind')
iq.bind['xmlns'] = BIND_XMLNS
if self.jabberid.resource:
iq.bind.addElement('resource')
iq.bind.resource.addContent(
self.jabberid.resource)
retb, elems = self.sendBody(self.buildBody(iq))
if type(retb) != str and retb.name == 'body':
# send session
iq = domish.Element(('jabber:client', 'iq'))
iq['type'] = 'set'
iq.addUniqueId()
iq.addElement('session')
iq.session['xmlns'] = SESSION_XMLNS
retb, elems = self.sendBody(self.buildBody(iq))
# did not bind, TODO - add a retry?
if type(retb) != str and retb.name == 'body':
self.logged_in = True
# bump up the rid, punjab already
# received self.rid
self.rid += 1
if __name__ == '__main__':
USERNAME = sys.argv[1]
PASSWORD = sys.argv[2]
SERVICE = sys.argv[3]
c = BOSHClient(USERNAME, PASSWORD, SERVICE)
c.startSessionAndAuth()
print c.logged_in