Merge branch 'master' into develop

Conflicts:
	sleekxmpp/thirdparty/__init__.py

1 files changed, 0 insertions, 176 deletions

diff --git a/sleekxmpp/thirdparty/suelta/mechanisms/scram_hmac.py b/sleekxmpp/thirdparty/suelta/mechanisms/scram_hmac.py
deleted file mode 100644
index b70ac9a4..00000000
--- a/sleekxmpp/thirdparty/suelta/mechanisms/scram_hmac.py
+++ /dev/null
@@ -1,176 +0,0 @@
-import sys
-import hmac
-import random
-from base64 import b64encode, b64decode
-
-from sleekxmpp.thirdparty.suelta.util import hash, bytes, num_to_bytes, bytes_to_num, XOR
-from sleekxmpp.thirdparty.suelta.sasl import Mechanism, register_mechanism
-from sleekxmpp.thirdparty.suelta.exceptions import SASLError, SASLCancelled
-
-
-def parse_challenge(challenge):
-    """
-    """
-    items = {}
-    for key, value in [item.split(b'=', 1) for item in challenge.split(b',')]:
-        items[key] = value
-    return items
-
-
-class SCRAM_HMAC(Mechanism):
-
-    """
-    """
-
-    def __init__(self, sasl, name):
-        """
-        """
-        super(SCRAM_HMAC, self).__init__(sasl, name, 0)
-
-        self._cb = False
-        if name[-5:] == '-PLUS':
-            name = name[:-5]
-            self._cb = True
-
-        self.hash = hash(name[6:])
-        if self.hash is None:
-            raise SASLCancelled(self.sasl, self)
-        if not self.sasl.tls_active():
-            if not self.sasl.sec_query(self, '-ENCRYPTION, SCRAM'):
-                raise SASLCancelled(self.sasl, self)
-
-        self._step = 0
-        self._rspauth = False
-
-    def HMAC(self, key, msg):
-        """
-        """
-        return hmac.HMAC(key=key, msg=msg, digestmod=self.hash).digest()
-
-    def Hi(self, text, salt, iterations):
-        """
-        """
-        text = bytes(text)
-        ui_1 = self.HMAC(text, salt + b'\0\0\0\01')
-        ui = ui_1
-        for i in range(iterations - 1):
-            ui_1 = self.HMAC(text, ui_1)
-            ui = XOR(ui, ui_1)
-        return ui
-
-    def H(self, text):
-        """
-        """
-        return self.hash(text).digest()
-
-    def prep(self):
-        if 'password' in self.values:
-            del self.values['password']
-
-    def process(self, challenge=None):
-        """
-        """
-        steps = {
-            0: self.process_one,
-            1: self.process_two,
-            2: self.process_three
-        }
-        return steps[self._step](challenge)
-
-    def process_one(self, challenge):
-        """
-        """
-        vitals = ['username']
-        if 'SaltedPassword' not in self.values:
-            vitals.append('password')
-        if 'Iterations' not in self.values:
-            vitals.append('password')
-
-        self.check_values(vitals)
-
-        username = bytes(self.values['username'])
-
-        self._step = 1
-        self._cnonce = bytes(('%s' % random.random())[2:])
-        self._soup = b'n=' + username + b',r=' + self._cnonce
-        self._gs2header = b''
-
-        if not self.sasl.tls_active():
-            if self._cb:
-                self._gs2header = b'p=tls-unique,,'
-            else:
-                self._gs2header = b'y,,'
-        else:
-            self._gs2header = b'n,,'
-
-        return self._gs2header + self._soup
-
-    def process_two(self, challenge):
-        """
-        """
-        data = parse_challenge(challenge)
-
-        self._step = 2
-        self._soup += b',' + challenge + b','
-        self._nonce = data[b'r']
-        self._salt = b64decode(data[b's'])
-        self._iter = int(data[b'i'])
-
-        if self._nonce[:len(self._cnonce)] != self._cnonce:
-            raise SASLCancelled(self.sasl, self)
-
-        cbdata = self.sasl.tls_active()
-        c = self._gs2header
-        if not cbdata and self._cb:
-            c += None
-
-        r = b'c=' + b64encode(c).replace(b'\n', b'')
-        r += b',r=' + self._nonce
-        self._soup += r
-
-        if 'Iterations' in self.values:
-            if self.values['Iterations'] != self._iter:
-                if 'SaltedPassword' in self.values:
-                    del self.values['SaltedPassword']
-        if 'Salt' in self.values:
-            if self.values['Salt'] != self._salt:
-                if 'SaltedPassword' in self.values:
-                    del self.values['SaltedPassword']
-
-        self.values['Iterations'] = self._iter
-        self.values['Salt'] = self._salt
-
-        if 'SaltedPassword' not in self.values:
-            self.check_values(['password'])
-            password = bytes(self.values['password'])
-            salted_pass = self.Hi(password, self._salt, self._iter)
-            self.values['SaltedPassword'] = salted_pass
-
-        salted_pass = self.values['SaltedPassword']
-        client_key = self.HMAC(salted_pass, b'Client Key')
-        stored_key = self.H(client_key)
-        client_sig = self.HMAC(stored_key, self._soup)
-        client_proof = XOR(client_key, client_sig)
-        r += b',p=' + b64encode(client_proof).replace(b'\n', b'')
-        server_key = self.HMAC(self.values['SaltedPassword'], b'Server Key')
-        self.server_sig = self.HMAC(server_key, self._soup)
-        return r
-
-    def process_three(self, challenge=None):
-        """
-        """
-        data = parse_challenge(challenge)
-        if b64decode(data[b'v']) == self.server_sig:
-            self._rspauth = True
-
-    def okay(self):
-        """
-        """
-        return self._rspauth
-
-    def get_user(self):
-        return self.values['username']
-
-
-register_mechanism('SCRAM-', 60, SCRAM_HMAC)
-register_mechanism('SCRAM-', 70, SCRAM_HMAC, extra='-PLUS')