mirror of
https://github.com/correl/SleekXMPP.git
synced 2024-11-27 11:09:56 +00:00
Add support for HTTP Proxy connections.
This commit is contained in:
Lance Stout
parent
ad032e5ed7
commit
e022b2a36c
2 changed files with 240 additions and 2 deletions
167
examples/proxy_echo_client.py
Executable file
167
examples/proxy_echo_client.py
Executable file
|
|
@ -0,0 +1,167 @@
|
|||
#!/usr/bin/env python
|
||||
# -*- coding: utf-8 -*-
|
||||
|
||||
"""
|
||||
SleekXMPP: The Sleek XMPP Library
|
||||
Copyright (C) 2010 Nathanael C. Fritz
|
||||
This file is part of SleekXMPP.
|
||||
|
||||
See the file LICENSE for copying permission.
|
||||
"""
|
||||
|
||||
import sys
|
||||
import logging
|
||||
import time
|
||||
import getpass
|
||||
from optparse import OptionParser
|
||||
|
||||
import sleekxmpp
|
||||
|
||||
# Python versions before 3.0 do not use UTF-8 encoding
|
||||
# by default. To ensure that Unicode is handled properly
|
||||
# throughout SleekXMPP, we will set the default encoding
|
||||
# ourselves to UTF-8.
|
||||
if sys.version_info < (3, 0):
|
||||
reload(sys)
|
||||
sys.setdefaultencoding('utf8')
|
||||
|
||||
|
||||
class EchoBot(sleekxmpp.ClientXMPP):
|
||||
|
||||
"""
|
||||
A simple SleekXMPP bot that will echo messages it
|
||||
receives, along with a short thank you message.
|
||||
"""
|
||||
|
||||
def __init__(self, jid, password):
|
||||
sleekxmpp.ClientXMPP.__init__(self, jid, password)
|
||||
|
||||
# The session_start event will be triggered when
|
||||
# the bot establishes its connection with the server
|
||||
# and the XML streams are ready for use. We want to
|
||||
# listen for this event so that we we can intialize
|
||||
# our roster.
|
||||
self.add_event_handler("session_start", self.start)
|
||||
|
||||
# The message event is triggered whenever a message
|
||||
# stanza is received. Be aware that that includes
|
||||
# MUC messages and error messages.
|
||||
self.add_event_handler("message", self.message)
|
||||
|
||||
def start(self, event):
|
||||
"""
|
||||
Process the session_start event.
|
||||
|
||||
Typical actions for the session_start event are
|
||||
requesting the roster and broadcasting an intial
|
||||
presence stanza.
|
||||
|
||||
Arguments:
|
||||
event -- An empty dictionary. The session_start
|
||||
event does not provide any additional
|
||||
data.
|
||||
"""
|
||||
self.send_presence()
|
||||
self.get_roster()
|
||||
|
||||
def message(self, msg):
|
||||
"""
|
||||
Process incoming message stanzas. Be aware that this also
|
||||
includes MUC messages and error messages. It is usually
|
||||
a good idea to check the messages's type before processing
|
||||
or sending replies.
|
||||
|
||||
Arguments:
|
||||
msg -- The received message stanza. See the documentation
|
||||
for stanza objects and the Message stanza to see
|
||||
how it may be used.
|
||||
"""
|
||||
msg.reply("Thanks for sending\n%(body)s" % msg).send()
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
# Setup the command line arguments.
|
||||
optp = OptionParser()
|
||||
|
||||
# Output verbosity options.
|
||||
optp.add_option('-q', '--quiet', help='set logging to ERROR',
|
||||
action='store_const', dest='loglevel',
|
||||
const=logging.ERROR, default=logging.INFO)
|
||||
optp.add_option('-d', '--debug', help='set logging to DEBUG',
|
||||
action='store_const', dest='loglevel',
|
||||
const=logging.DEBUG, default=logging.INFO)
|
||||
optp.add_option('-v', '--verbose', help='set logging to COMM',
|
||||
action='store_const', dest='loglevel',
|
||||
const=5, default=logging.INFO)
|
||||
|
||||
# JID and password options.
|
||||
optp.add_option("-j", "--jid", dest="jid",
|
||||
help="JID to use")
|
||||
optp.add_option("-p", "--password", dest="password",
|
||||
help="password to use")
|
||||
optp.add_option("--phost", dest="proxy_host",
|
||||
help="Proxy hostname")
|
||||
optp.add_option("--pport", dest="proxy_port",
|
||||
help="Proxy port")
|
||||
optp.add_option("--puser", dest="proxy_user",
|
||||
help="Proxy username")
|
||||
optp.add_option("--ppass", dest="proxy_pass",
|
||||
help="Proxy password")
|
||||
|
||||
|
||||
|
||||
opts, args = optp.parse_args()
|
||||
|
||||
# Setup logging.
|
||||
logging.basicConfig(level=opts.loglevel,
|
||||
format='%(levelname)-8s %(message)s')
|
||||
|
||||
if opts.jid is None:
|
||||
opts.jid = raw_input("Username: ")
|
||||
if opts.password is None:
|
||||
opts.password = getpass.getpass("Password: ")
|
||||
if opts.proxy_host is None:
|
||||
opts.proxy_host = raw_input("Proxy host: ")
|
||||
if opts.proxy_port is None:
|
||||
opts.proxy_port = raw_input("Proxy port: ")
|
||||
if opts.proxy_user is None:
|
||||
opts.proxy_user = raw_input("Proxy username: ")
|
||||
if opts.proxy_pass is None and opts.proxy_user:
|
||||
opts.proxy_pass = getpass.getpass("Proxy password: ")
|
||||
|
||||
# Setup the EchoBot and register plugins. Note that while plugins may
|
||||
# have interdependencies, the order in which you register them does
|
||||
# not matter.
|
||||
xmpp = EchoBot(opts.jid, opts.password)
|
||||
xmpp.register_plugin('xep_0030') # Service Discovery
|
||||
xmpp.register_plugin('xep_0004') # Data Forms
|
||||
xmpp.register_plugin('xep_0060') # PubSub
|
||||
xmpp.register_plugin('xep_0199') # XMPP Ping
|
||||
|
||||
# If you are working with an OpenFire server, you may need
|
||||
# to adjust the SSL version used:
|
||||
# xmpp.ssl_version = ssl.PROTOCOL_SSLv3
|
||||
|
||||
# If you want to verify the SSL certificates offered by a server:
|
||||
# xmpp.ca_certs = "path/to/ca/cert"
|
||||
|
||||
xmpp.use_proxy = True
|
||||
xmpp.proxy_config = {
|
||||
'host': opts.proxy_host,
|
||||
'port': int(opts.proxy_port),
|
||||
'username': opts.proxy_user,
|
||||
'password': opts.proxy_pass}
|
||||
|
||||
# Connect to the XMPP server and start processing XMPP stanzas.
|
||||
if xmpp.connect():
|
||||
# If you do not have the pydns library installed, you will need
|
||||
# to manually specify the name of the server if it does not match
|
||||
# the one in the JID. For example, to use Google Talk you would
|
||||
# need to use:
|
||||
#
|
||||
# if xmpp.connect(('talk.google.com', 5222)):
|
||||
# ...
|
||||
xmpp.process(threaded=False)
|
||||
print("Done")
|
||||
else:
|
||||
print("Unable to connect.")
|
||||
|
|
@ -8,6 +8,7 @@
|
|||
|
||||
from __future__ import with_statement, unicode_literals
|
||||
|
||||
import base64
|
||||
import copy
|
||||
import logging
|
||||
import signal
|
||||
|
|
@ -23,6 +24,7 @@ try:
|
|||
except ImportError:
|
||||
import Queue as queue
|
||||
|
||||
import sleekxmpp
|
||||
from sleekxmpp.thirdparty.statemachine import StateMachine
|
||||
from sleekxmpp.xmlstream import Scheduler, tostring
|
||||
from sleekxmpp.xmlstream.stanzabase import StanzaBase, ET
|
||||
|
|
@ -107,7 +109,13 @@ class XMLStream(object):
|
|||
stream_header -- The closing tag of the stream's root element.
|
||||
use_ssl -- Flag indicating if SSL should be used.
|
||||
use_tls -- Flag indicating if TLS should be used.
|
||||
use_proxy -- Flag indicating that an HTTP Proxy should be used.
|
||||
stop -- threading Event used to stop all threads.
|
||||
proxy_config -- An optional dictionary with the following entries:
|
||||
host -- The host offering proxy services.
|
||||
port -- The port for the proxy service.
|
||||
username -- Optional username for the proxy.
|
||||
password -- Optional password for the proxy.
|
||||
|
||||
auto_reconnect -- Flag to determine whether we auto reconnect.
|
||||
reconnect_max_delay -- Maximum time to delay between connection
|
||||
|
|
@ -180,6 +188,9 @@ class XMLStream(object):
|
|||
|
||||
self.use_ssl = False
|
||||
self.use_tls = False
|
||||
self.use_proxy = False
|
||||
|
||||
self.proxy_config = {}
|
||||
|
||||
self.default_ns = ''
|
||||
self.stream_header = "<stream>"
|
||||
|
|
@ -322,6 +333,12 @@ class XMLStream(object):
|
|||
log.debug('Waiting %s seconds before connecting.' % delay)
|
||||
time.sleep(delay)
|
||||
|
||||
if self.use_proxy:
|
||||
connected = self._connect_proxy()
|
||||
if not connected:
|
||||
self.reconnect_delay = delay
|
||||
return False
|
||||
|
||||
if self.use_ssl and self.ssl_support:
|
||||
log.debug("Socket Wrapped for SSL")
|
||||
if self.ca_certs is None:
|
||||
|
|
@ -341,8 +358,10 @@ class XMLStream(object):
|
|||
self.socket = ssl_socket
|
||||
|
||||
try:
|
||||
if not self.use_proxy:
|
||||
log.debug("Connecting to %s:%s" % self.address)
|
||||
self.socket.connect(self.address)
|
||||
|
||||
self.set_socket(self.socket, ignore=True)
|
||||
#this event is where you should set your application state
|
||||
self.event("connected", direct=True)
|
||||
|
|
@ -356,6 +375,58 @@ class XMLStream(object):
|
|||
self.reconnect_delay = delay
|
||||
return False
|
||||
|
||||
def _connect_proxy(self):
|
||||
"""Attempt to connect using an HTTP Proxy."""
|
||||
|
||||
# Extract the proxy address, and optional credentials
|
||||
address = (self.proxy_config['host'], int(self.proxy_config['port']))
|
||||
cred = None
|
||||
if self.proxy_config['username']:
|
||||
username = self.proxy_config['username']
|
||||
password = self.proxy_config['password']
|
||||
|
||||
cred = '%s:%s' % (username, password)
|
||||
if sys.version_info < (3, 0):
|
||||
cred = bytes(cred)
|
||||
else:
|
||||
cred = bytes(cred, 'utf-8')
|
||||
cred = base64.b64encode(cred).decode('utf-8')
|
||||
|
||||
# Build the HTTP headers for connecting to the XMPP server
|
||||
headers = ['CONNECT %s:%s HTTP/1.0' % self.address,
|
||||
'Host: %s:%s' % self.address,
|
||||
'Proxy-Connection: Keep-Alive',
|
||||
'Pragma: no-cache',
|
||||
'User-Agent: SleekXMPP/%s' % sleekxmpp.__version__]
|
||||
if cred:
|
||||
headers.append('Proxy-Authorization: Basic %s' % cred)
|
||||
headers = '\r\n'.join(headers) + '\r\n\r\n'
|
||||
|
||||
try:
|
||||
log.debug("Connecting to proxy: %s:%s" % address)
|
||||
self.socket.connect(address)
|
||||
self.send_raw(headers, now=True)
|
||||
resp = ''
|
||||
while '\r\n\r\n' not in resp:
|
||||
resp += self.socket.recv(1024).decode('utf-8')
|
||||
log.debug('RECV: %s' % resp)
|
||||
|
||||
lines = resp.split('\r\n')
|
||||
if '200' not in lines[0]:
|
||||
self.event('proxy_error', resp)
|
||||
log.error('Proxy Error: %s' % lines[0])
|
||||
return False
|
||||
|
||||
# Proxy connection established, continue connecting
|
||||
# with the XMPP server.
|
||||
return True
|
||||
except Socket.error as serr:
|
||||
error_msg = "Could not connect to %s:%s. Socket Error #%s: %s"
|
||||
self.event('socket_error', serr)
|
||||
log.error(error_msg % (self.address[0], self.address[1],
|
||||
serr.errno, serr.strerror))
|
||||
return False
|
||||
|
||||
def disconnect(self, reconnect=False, wait=False):
|
||||
"""
|
||||
Terminate processing and close the XML streams.
|
||||
|
|
|
|||
Loading…
Reference in a new issue