def disable(self, url, server):
resp = baseconv.decodeNameValue(server)
tif = int(resp['tif'], 16)
client = "ver=1\r\n"
client += "cmd=disable\r\n"
client += "idk=%s\r\n" % self.enc.getPublicKey(url.getDomain())
client = baseconv.encode(client)
ids = self.enc.sign(client + server)
url = URLParser(url.scheme + "://" + url.netloc + resp['qry'])
success, data = self._post_form(url, "client=%s&server=%s&ids=%s" % (client, server, ids))
logging.debug("client")
for param in baseconv.decode(client).rstrip('\r\n').split('\r\n'):
logging.debug(' %r', param)
logging.debug("server")
for param in baseconv.decode(server).rstrip('\r\n').split('\r\n'):
logging.debug(' %r', param)
logging.debug(' ids %r', ids)
if success:
resp = baseconv.decodeNameValue(data)
logging.debug("resp %r", resp)
tif = int(resp['tif'], 16)
if tif & 0x10 == 0x10:
return False, "0x10 Function(s) not supported"
if tif & 0x08 == 0x08:
return True, "0x08 SQRL disabled"
return False, data
def _check_signature(self, idk, client, server, ids):
verifying_key = ed25519.VerifyingKey(baseconv.decode(idk))
try:
verifying_key.verify(baseconv.decode(ids), str(client + server))
return True
except ed25519.BadSignatureError:
return False
def ident(self, url, server):
resp = baseconv.decodeNameValue(server)
tif = int(resp['tif'], 16)
client = "ver=1\r\n"
client += "cmd=ident\r\n"
client += "idk=%s\r\n" % self.enc.getPublicKey(url.getDomain())
if self.cps:
client += "opt=cps\r\n"
if tif & 0x01 == 0x00:
client += "suk=dMRXbs49XNmVUhsKzta7ESD-cP2QlnxkSaORsswOAj4\r\n" # TODO: ehhh...
client += "vuk=q13E_hd5CR0WE0A9ZD8571te0Ul47YfsDCWpETuCGcI\r\n" # TODO: ehhh...
client = baseconv.encode(client)
ids = self.enc.sign(client + server)
url = URLParser(url.scheme + "://" + url.netloc + resp['qry'])
success, data = self._post_form(url, "client=%s&server=%s&ids=%s" % (client, server, ids))
logging.debug("client")
for param in baseconv.decode(client).rstrip('\r\n').split('\r\n'):
logging.debug(' %r', param)
logging.debug("server")
for param in baseconv.decode(server).rstrip('\r\n').split('\r\n'):
logging.debug(' %r', param)
logging.debug(' ids %r', ids)
if success:
resp = baseconv.decodeNameValue(data)
logging.debug("resp %r", resp)
tif = int(resp['tif'], 16)
if tif & 0x08 == 0x08:
return False, "0x08 SQRL disabled"
if tif & 0x10 == 0x10:
return False, "0x10 Function(s) not supported"
#if tif > 0x04: # TODO: Check tif failure values
# return False, "Tif 0x%02x" % tif
if 'url' in resp:
return True, resp['url']
else:
return True, None
return False, data
def post(self, client_str, server_str, ids, sqrl_callback):
client_str = str(client_str) # TODO(vw): Do we want to support u'nicode' or just convert?
server_str = str(server_str) # TODO(vw): Do we want to support u'nicode' or just convert?
client = baseconv.decodeNameValue(client_str)
server = baseconv.decodeNameValue(server_str)
cmd = self._get_value(client, 'cmd')
idk = self._get_value(client, 'idk')
logging.info("cmd: %r", cmd)
logging.debug('client:')
for key, value in client.iteritems():
logging.debug(" %r: %r", key, value)
logging.debug('server:')
for key, value in server.iteritems():
logging.debug(" %r: %r", key, value)
logging.debug('ids:')
logging.debug(" %r", ids)
tif = 0
tif ^= 4 # TODO: Check if IP matches
session_id = None
if not self._check_signature(idk, client_str, server_str, ids):
logging.warn("signature failed")
tif ^= 80 # We always included a session_id, so something has gone wrong
elif cmd == 'query':
session_id = self._get_url_nut(baseconv.decode(server_str))
if sqrl_callback.id_found(idk):
tif ^= 1
elif cmd == 'ident':
session_id = self._get_value(server, 'session_id')
if not session_id:
tif ^= 80 # We always included a session_id, so something has gone wrong
else:
if sqrl_callback.id_found(idk):
tif ^= 1
suk = self._get_value(server, 'suk') # TODO: Can be ''
vuk = self._get_value(server, 'vuk')
sqrl_callback.ident(session_id, idk, suk, vuk)
else:
tif ^= 10 # Not supported
new_nut = get_nut()
server = "ver=1\r\n"
server += "nut=%s\r\n" % new_nut
server += "qry=/sqrl?nut=%s\r\n" % new_nut
server += "tif=%x\r\n" % tif
if session_id:
server += "session_id=%s\r\n" % session_id
logging.debug('response')
for param in server.split('\r\n')[:-1]:
logging.debug(' %r', param)
return server
def query(self, url, server, automatic_retry=True):
client = "ver=1\r\n"
client += "cmd=query\r\n"
client += "idk=%s\r\n" % self.enc.getPublicKey(url.getDomain())
if self.cps:
client += "opt=cps\r\n"
client = baseconv.encode(client)
ids = self.enc.sign(client + server)
success, data = self._post_form(url, "client=%s&server=%s&ids=%s" % (client, server, ids))
logging.debug("client")
for param in baseconv.decode(client).rstrip('\r\n').split('\r\n'):
logging.debug(' %r', param)
logging.debug("server")
for param in baseconv.decode(server).rstrip('\r\n').split('\r\n'):
logging.debug(' %r', param)
logging.debug(' ids %r', ids)
if success:
resp = baseconv.decodeNameValue(data)
logging.debug("resp %r", resp)
tif = int(resp['tif'], 16)
if tif & 0x01 == 0x01:
logging.info("ID match")
if tif & 0x04 == 0x04:
logging.info("IP matched")
#if tif > 0x04: # TODO: Check tif failure values
# logging.warn("Problems with query, tif 0x%02x", tif)
if tif & 0x20 == 0x20:
if automatic_retry:
logging.debug("0x20 Transient error. Trying again")
url = URLParser(url.scheme + "://" + url.netloc + resp['qry'])
return self.query(url, data, False)
return success, data
def test_decode_unicode(self):
self.assertEqual(baseconv.decode(u"YWJjZA"), 'abcd')
def test_decode_padding_added_back(self):
self.assertEqual(baseconv.decode("YWJjZA"), 'abcd')
self.assertEqual(baseconv.decode("YWJjZGU"), 'abcde')
def test_decode_no_padding(self):
self.assertEqual(baseconv.decode("YWJj"), 'abc')
