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authorBrian Beggs <macdiesel@gmail.com>2010-06-30 14:44:57 -0400
committerBrian Beggs <macdiesel@gmail.com>2010-06-30 14:44:57 -0400
commit9bdb297fe27c8f00d81fb6e924abc71ec0282b95 (patch)
tree524019c9c70c103b3eaa63621ef19156af0e6940 /sleekxmpp/__init__.py
parentfa7f72d0af3f404abb7426a29ed0aad1d792b90c (diff)
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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.
Diffstat (limited to 'sleekxmpp/__init__.py')
-rw-r--r--sleekxmpp/__init__.py13
1 files changed, 7 insertions, 6 deletions
diff --git a/sleekxmpp/__init__.py b/sleekxmpp/__init__.py
index f05e8a5f..9185c175 100644
--- a/sleekxmpp/__init__.py
+++ b/sleekxmpp/__init__.py
@@ -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