jshiffer/slixmpp
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basic checking for digest-md5 to make sure the necessary components are there to complete auth. If not a failed_auth event is dispatched and the socket disconnected.

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This commit is contained in:
Brian Beggs 2010-06-30 14:44:57 -04:00
parent fa7f72d0af
commit 9bdb297fe2
1 changed files with 7 additions and 6 deletions
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13
sleekxmpp/__init__.py
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@ -241,16 +241,17 @@ class ClientXMPP(basexmpp, XMLStream):
logging.debug(type(xml).__name__)
if self.digest_auth_started == False:
logging.debug(base64.b64decode(xml.text).split(',', 6))
challenge = [item.split('=', 1) for item in base64.b64decode(xml.text).replace("\"", "").split(',', 6) ]
challenge = dict(challenge)
logging.debug(challenge)
#TODO: check for abort states
#Realm, nonce, qop should all be present
#charset can be either UTF-8 or if not present use ISO 8859-1
if not challenge['realm'] or not challenge['qop'] or not challenge['nonce']:
logging.error("Error during digest-md5 authentication. Challenge missing critical information. Challenge: %s" %base64.b64decode(xml.text))
self.disconnect()
self.event("failed_auth")
return
#TODO: charset can be either UTF-8 or if not present use ISO 8859-1 defaulting for UTF-8 for now
#Compute the cnonce - a unique hex string only used in this request
cnonce = ""
for i in range(7):
@ -263,7 +264,7 @@ class ClientXMPP(basexmpp, XMLStream):
response = '''charset=utf-8,username="%s",realm="%s",nonce="%s",nc=00000001,cnonce="%s",digest-uri="%s",response=%s,qop=%s,''' %(self.username, self.domain, challenge["nonce"], cnonce, "xmpp/%s" % self.domain, responseHash, challenge["qop"])
self.sendPriorityRaw("""<response xmlns='urn:ietf:params:xml:ns:xmpp-sasl'>%s</response>""" %base64.encodestring(response)[:-1])
else:
pass
logging.warn("handler_sasl_digest_md5_auth called while digest_auth_started is false")
def handler_sasl_digest_md5_auth_fail(self, xml):
self.digest_auth_started = False