From 5ab77c745270d7d5c016c1dc7ef2a82533a4b16e Mon Sep 17 00:00:00 2001 From: Florent Le Coz Date: Thu, 17 Jul 2014 14:19:04 +0200 Subject: Rename to slixmpp --- slixmpp/plugins/xep_0235/stanza.py | 80 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 slixmpp/plugins/xep_0235/stanza.py (limited to 'slixmpp/plugins/xep_0235/stanza.py') diff --git a/slixmpp/plugins/xep_0235/stanza.py b/slixmpp/plugins/xep_0235/stanza.py new file mode 100644 index 00000000..abb4a38d --- /dev/null +++ b/slixmpp/plugins/xep_0235/stanza.py @@ -0,0 +1,80 @@ +""" + Slixmpp: The Slick XMPP Library + Copyright (C) 2012 Nathanael C. Fritz, Lance J.T. Stout + This file is part of Slixmpp. + + See the file LICENSE for copying permission. +""" + +import hmac +import hashlib +import urllib +import base64 + +from slixmpp.xmlstream import ET, ElementBase, JID + + +class OAuth(ElementBase): + + name = 'oauth' + namespace = 'urn:xmpp:oauth:0' + plugin_attrib = 'oauth' + interfaces = set(['oauth_consumer_key', 'oauth_nonce', 'oauth_signature', + 'oauth_signature_method', 'oauth_timestamp', + 'oauth_token', 'oauth_version']) + sub_interfaces = interfaces + + def generate_signature(self, stanza, sfrom, sto, consumer_secret, + token_secret, method='HMAC-SHA1'): + self['oauth_signature_method'] = method + + request = urllib.quote('%s&%s' % (sfrom, sto), '') + parameters = urllib.quote('&'.join([ + 'oauth_consumer_key=%s' % self['oauth_consumer_key'], + 'oauth_nonce=%s' % self['oauth_nonce'], + 'oauth_signature_method=%s' % self['oauth_signature_method'], + 'oauth_timestamp=%s' % self['oauth_timestamp'], + 'oauth_token=%s' % self['oauth_token'], + 'oauth_version=%s' % self['oauth_version'] + ]), '') + + sigbase = '%s&%s&%s' % (stanza, request, parameters) + + consumer_secret = urllib.quote(consumer_secret, '') + token_secret = urllib.quote(token_secret, '') + key = '%s&%s' % (consumer_secret, token_secret) + + if method == 'HMAC-SHA1': + sig = base64.b64encode(hmac.new(key, sigbase, hashlib.sha1).digest()) + elif method == 'PLAINTEXT': + sig = key + + self['oauth_signature'] = sig + return sig + + def verify_signature(self, stanza, sfrom, sto, consumer_secret, + token_secret): + method = self['oauth_signature_method'] + + request = urllib.quote('%s&%s' % (sfrom, sto), '') + parameters = urllib.quote('&'.join([ + 'oauth_consumer_key=%s' % self['oauth_consumer_key'], + 'oauth_nonce=%s' % self['oauth_nonce'], + 'oauth_signature_method=%s' % self['oauth_signature_method'], + 'oauth_timestamp=%s' % self['oauth_timestamp'], + 'oauth_token=%s' % self['oauth_token'], + 'oauth_version=%s' % self['oauth_version'] + ]), '') + + sigbase = '%s&%s&%s' % (stanza, request, parameters) + + consumer_secret = urllib.quote(consumer_secret, '') + token_secret = urllib.quote(token_secret, '') + key = '%s&%s' % (consumer_secret, token_secret) + + if method == 'HMAC-SHA1': + sig = base64.b64encode(hmac.new(key, sigbase, hashlib.sha1).digest()) + elif method == 'PLAINTEXT': + sig = key + + return self['oauth_signature'] == sig -- cgit v1.2.3