Rename to slixmpp

1 files changed, 0 insertions, 551 deletions

diff --git a/sleekxmpp/util/sasl/mechanisms.py b/sleekxmpp/util/sasl/mechanisms.py
deleted file mode 100644
index d341ed3e..00000000
--- a/sleekxmpp/util/sasl/mechanisms.py
+++ /dev/null
@@ -1,551 +0,0 @@
-# -*- coding: utf-8 -*-
-"""
-    sleekxmpp.util.sasl.mechanisms
-    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-    A collection of supported SASL mechanisms.
-
-    This module was originally based on Dave Cridland's Suelta library.
-
-    Part of SleekXMPP: The Sleek XMPP Library
-
-    :copryight: (c) 2004-2013 David Alan Cridland
-    :copyright: (c) 2013 Nathanael C. Fritz, Lance J.T. Stout
-
-    :license: MIT, see LICENSE for more details
-"""
-
-import sys
-import hmac
-import random
-
-from base64 import b64encode, b64decode
-
-from sleekxmpp.util import bytes, hash, XOR, quote, num_to_bytes
-from sleekxmpp.util.sasl.client import sasl_mech, Mech, \
-                                       SASLCancelled, SASLFailed, \
-                                       SASLMutualAuthFailed
-
-
-@sasl_mech(0)
-class ANONYMOUS(Mech):
-
-    name = 'ANONYMOUS'
-
-    def process(self, challenge=b''):
-        return b'Anonymous, Suelta'
-
-
-@sasl_mech(1)
-class LOGIN(Mech):
-
-    name = 'LOGIN'
-    required_credentials = set(['username', 'password'])
-
-    def setup(self, name):
-        self.step = 0
-
-    def process(self, challenge=b''):
-        if not challenge:
-            return b''
-
-        if self.step == 0:
-            self.step = 1
-            return self.credentials['username']
-        else:
-            return self.credentials['password']
-
-
-@sasl_mech(2)
-class PLAIN(Mech):
-
-    name = 'PLAIN'
-    required_credentials = set(['username', 'password'])
-    optional_credentials = set(['authzid'])
-    security = set(['encrypted', 'encrypted_plain', 'unencrypted_plain'])
-
-    def setup(self, name):
-        if not self.security_settings['encrypted']:
-            if not self.security_settings['unencrypted_plain']:
-                raise SASLCancelled('PLAIN without encryption')
-        else:
-            if not self.security_settings['encrypted_plain']:
-                raise SASLCancelled('PLAIN with encryption')
-
-    def process(self, challenge=b''):
-        authzid = self.credentials['authzid']
-        authcid = self.credentials['username']
-        password = self.credentials['password']
-        return authzid + b'\x00' + authcid + b'\x00' + password
-
-
-@sasl_mech(100)
-class EXTERNAL(Mech):
-
-    name = 'EXTERNAL'
-    optional_credentials = set(['authzid'])
-
-    def process(self, challenge=b''):
-        return self.credentials['authzid']
-
-
-@sasl_mech(31)
-class X_FACEBOOK_PLATFORM(Mech):
-
-    name = 'X-FACEBOOK-PLATFORM'
-    required_credentials = set(['api_key', 'access_token'])
-
-    def process(self, challenge=b''):
-        if challenge:
-            values = {}
-            for kv in challenge.split(b'&'):
-                key, value = kv.split(b'=')
-                values[key] = value
-
-            resp_data = {
-                b'method': values[b'method'],
-                b'v': b'1.0',
-                b'call_id': b'1.0',
-                b'nonce': values[b'nonce'],
-                b'access_token': self.credentials['access_token'],
-                b'api_key': self.credentials['api_key']
-            }
-
-            resp = '&'.join(['%s=%s' % (k.decode("utf-8"), v.decode("utf-8")) for k, v in resp_data.items()])
-            return bytes(resp)
-        return b''
-
-
-@sasl_mech(10)
-class X_MESSENGER_OAUTH2(Mech):
-
-    name = 'X-MESSENGER-OAUTH2'
-    required_credentials = set(['access_token'])
-
-    def process(self, challenge=b''):
-        return self.credentials['access_token']
-
-
-@sasl_mech(10)
-class X_OAUTH2(Mech):
-
-    name = 'X-OAUTH2'
-    required_credentials = set(['username', 'access_token'])
-
-    def process(self, challenge=b''):
-        return b'\x00' + self.credentials['username'] + \
-               b'\x00' + self.credentials['access_token']
-
-
-@sasl_mech(3)
-class X_GOOGLE_TOKEN(Mech):
-
-    name = 'X-GOOGLE-TOKEN'
-    required_credentials = set(['email', 'access_token'])
-
-    def process(self, challenge=b''):
-        email = self.credentials['email']
-        token = self.credentials['access_token']
-        return b'\x00' + email + b'\x00' + token
-
-
-@sasl_mech(20)
-class CRAM(Mech):
-
-    name = 'CRAM'
-    use_hashes = True
-    required_credentials = set(['username', 'password'])
-    security = set(['encrypted', 'unencrypted_cram'])
-
-    def setup(self, name):
-        self.hash_name = name[5:]
-        self.hash = hash(self.hash_name)
-        if self.hash is None:
-            raise SASLCancelled('Unknown hash: %s' % self.hash_name)
-        if not self.security_settings['encrypted']:
-            if not self.security_settings['unencrypted_cram']:
-                raise SASLCancelled('Unecrypted CRAM-%s' % self.hash_name)
-
-    def process(self, challenge=b''):
-        if not challenge:
-            return None
-
-        username = self.credentials['username']
-        password = self.credentials['password']
-
-        mac = hmac.HMAC(key=password, digestmod=self.hash)
-        mac.update(challenge)
-
-        return username + b' ' + bytes(mac.hexdigest())
-
-
-@sasl_mech(60)
-class SCRAM(Mech):
-
-    name = 'SCRAM'
-    use_hashes = True
-    channel_binding = True
-    required_credentials = set(['username', 'password'])
-    optional_credentials = set(['authzid', 'channel_binding'])
-    security = set(['encrypted', 'unencrypted_scram'])
-
-    def setup(self, name):
-        self.use_channel_binding = False
-        if name[-5:] == '-PLUS':
-            name = name[:-5]
-            self.use_channel_binding = True
-
-        self.hash_name = name[6:]
-        self.hash = hash(self.hash_name)
-
-        if self.hash is None:
-            raise SASLCancelled('Unknown hash: %s' % self.hash_name)
-        if not self.security_settings['encrypted']:
-            if not self.security_settings['unencrypted_scram']:
-                raise SASLCancelled('Unencrypted SCRAM')
-
-        self.step = 0
-        self._mutual_auth = 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)
-        ui1 = self.HMAC(text, salt + b'\0\0\0\01')
-        ui = ui1
-        for i in range(iterations - 1):
-            ui1 = self.HMAC(text, ui1)
-            ui = XOR(ui, ui1)
-        return ui
-
-    def H(self, text):
-        return self.hash(text).digest()
-
-    def saslname(self, value):
-        escaped = b''
-        for char in bytes(value):
-            if char == b',':
-                escaped += b'=2C'
-            elif char == b'=':
-                escaped += b'=3D'
-            else:
-                if isinstance(char, int):
-                    char = chr(char)
-                escaped += bytes(char)
-        return escaped
-
-    def parse(self, challenge):
-        items = {}
-        for key, value in [item.split(b'=', 1) for item in challenge.split(b',')]:
-            items[key] = value
-        return items
-
-    def process(self, challenge=b''):
-        steps = [self.process_1, self.process_2, self.process_3]
-        return steps[self.step](challenge)
-
-    def process_1(self, challenge):
-        self.step = 1
-        data = {}
-
-        self.cnonce = bytes(('%s' % random.random())[2:])
-
-        gs2_cbind_flag = b'n'
-        if self.credentials['channel_binding']:
-            if self.use_channel_binding:
-                gs2_cbind_flag = b'p=tls-unique'
-            else:
-                gs2_cbind_flag = b'y'
-
-        authzid = b''
-        if self.credentials['authzid']:
-            authzid = b'a=' + self.saslname(self.credentials['authzid'])
-
-        self.gs2_header = gs2_cbind_flag + b',' + authzid + b','
-
-        nonce = b'r=' + self.cnonce
-        username = b'n=' + self.saslname(self.credentials['username'])
-
-        self.client_first_message_bare = username + b',' + nonce
-        self.client_first_message = self.gs2_header + \
-                                    self.client_first_message_bare
-
-        return self.client_first_message
-
-    def process_2(self, challenge):
-        self.step = 2
-
-        data = self.parse(challenge)
-        if b'm' in data:
-            raise SASLCancelled('Received reserved attribute.')
-
-        salt = b64decode(data[b's'])
-        iteration_count = int(data[b'i'])
-        nonce = data[b'r']
-
-        if nonce[:len(self.cnonce)] != self.cnonce:
-            raise SASLCancelled('Invalid nonce')
-
-        cbind_data = b''
-        if self.use_channel_binding:
-            cbind_data = self.credentials['channel_binding']
-        cbind_input = self.gs2_header + cbind_data
-        channel_binding = b'c=' + b64encode(cbind_input).replace(b'\n', b'')
-
-        client_final_message_without_proof = channel_binding + b',' + \
-                                             b'r=' + nonce
-
-        salted_password = self.Hi(self.credentials['password'],
-                                       salt,
-                                       iteration_count)
-        client_key = self.HMAC(salted_password, b'Client Key')
-        stored_key = self.H(client_key)
-        auth_message = self.client_first_message_bare + b',' + \
-                       challenge + b',' + \
-                       client_final_message_without_proof
-        client_signature = self.HMAC(stored_key, auth_message)
-        client_proof = XOR(client_key, client_signature)
-        server_key = self.HMAC(salted_password, b'Server Key')
-
-        self.server_signature = self.HMAC(server_key, auth_message)
-
-        client_final_message = client_final_message_without_proof + \
-                               b',p=' + b64encode(client_proof)
-
-        return client_final_message
-
-    def process_3(self, challenge):
-        data = self.parse(challenge)
-        verifier = data.get(b'v', None)
-        error = data.get(b'e', 'Unknown error')
-
-        if not verifier:
-            raise SASLFailed(error)
-
-        if b64decode(verifier) != self.server_signature:
-            raise SASLMutualAuthFailed()
-
-        self._mutual_auth = True
-
-        return b''
-
-
-@sasl_mech(30)
-class DIGEST(Mech):
-
-    name = 'DIGEST'
-    use_hashes = True
-    required_credentials = set(['username', 'password', 'realm', 'service', 'host'])
-    optional_credentials = set(['authzid', 'service-name'])
-    security = set(['encrypted', 'unencrypted_digest'])
-
-    def setup(self, name):
-        self.hash_name = name[7:]
-        self.hash = hash(self.hash_name)
-        if self.hash is None:
-            raise SASLCancelled('Unknown hash: %s' % self.hash_name)
-        if not self.security_settings['encrypted']:
-            if not self.security_settings['unencrypted_digest']:
-                raise SASLCancelled('Unencrypted DIGEST')
-
-        self.qops = [b'auth']
-        self.qop = b'auth'
-        self.maxbuf = b'65536'
-        self.nonce = b''
-        self.cnonce = b''
-        self.nonce_count = 1
-
-    def parse(self, challenge=b''):
-        data = {}
-        var_name = b''
-        var_value = b''
-
-        # States: var, new_var, end, quote, escaped_quote
-        state = 'var'
-
-
-        for char in challenge:
-            if sys.version_info >= (3, 0):
-                char = bytes([char])
-
-            if state == 'var':
-                if char.isspace():
-                    continue
-                if char == b'=':
-                    state = 'value'
-                else:
-                    var_name += char
-            elif state == 'value':
-                if char == b'"':
-                    state = 'quote'
-                elif char == b',':
-                    if var_name:
-                        data[var_name.decode('utf-8')] = var_value
-                    var_name = b''
-                    var_value = b''
-                    state = 'var'
-                else:
-                    var_value += char
-            elif state == 'escaped':
-                var_value += char
-            elif state == 'quote':
-                if char == b'\\':
-                    state = 'escaped'
-                elif char == b'"':
-                    state = 'end'
-                else:
-                    var_value += char
-            else:
-                if char == b',':
-                    if var_name:
-                        data[var_name.decode('utf-8')] = var_value
-                    var_name = b''
-                    var_value = b''
-                    state = 'var'
-                else:
-                    var_value += char
-
-        if var_name:
-            data[var_name.decode('utf-8')] = var_value
-        var_name = b''
-        var_value = b''
-        state = 'var'
-        return data
-
-    def MAC(self, key, seq, msg):
-        mac = hmac.HMAC(key=key, digestmod=self.hash)
-        seqnum = num_to_bytes(seq)
-        mac.update(seqnum)
-        mac.update(msg)
-        return mac.digest()[:10] + b'\x00\x01' + seqnum
-
-    def A1(self):
-        username = self.credentials['username']
-        password = self.credentials['password']
-        authzid = self.credentials['authzid']
-        realm = self.credentials['realm']
-
-        a1 = self.hash()
-        a1.update(username + b':' + realm + b':' + password)
-        a1 = a1.digest()
-        a1 += b':' + self.nonce + b':' + self.cnonce
-        if authzid:
-            a1 += b':' + authzid
-
-        return bytes(a1)
-
-    def A2(self, prefix=b''):
-        a2 = prefix + b':' + self.digest_uri()
-        if self.qop in (b'auth-int', b'auth-conf'):
-            a2 += b':00000000000000000000000000000000'
-        return bytes(a2)
-
-    def response(self, prefix=b''):
-        nc = bytes('%08x' % self.nonce_count)
-
-        a1 = bytes(self.hash(self.A1()).hexdigest().lower())
-        a2 = bytes(self.hash(self.A2(prefix)).hexdigest().lower())
-        s = self.nonce + b':' + nc + b':' + self.cnonce + \
-                         b':' + self.qop + b':' + a2
-
-        return bytes(self.hash(a1 + b':' + s).hexdigest().lower())
-
-    def digest_uri(self):
-        serv_type = self.credentials['service']
-        serv_name = self.credentials['service-name']
-        host = self.credentials['host']
-
-        uri = serv_type + b'/' + host
-        if serv_name and host != serv_name:
-            uri += b'/' + serv_name
-        return uri
-
-    def respond(self):
-        data = {
-            'username': quote(self.credentials['username']),
-            'authzid': quote(self.credentials['authzid']),
-            'realm': quote(self.credentials['realm']),
-            'nonce': quote(self.nonce),
-            'cnonce': quote(self.cnonce),
-            'nc': bytes('%08x' % self.nonce_count),
-            'qop': self.qop,
-            'digest-uri': quote(self.digest_uri()),
-            'response': self.response(b'AUTHENTICATE'),
-            'maxbuf': self.maxbuf,
-            'charset': 'utf-8'
-        }
-        resp = b''
-        for key, value in data.items():
-            if value and value != b'""':
-                resp += b',' + bytes(key) + b'=' + bytes(value)
-        return resp[1:]
-
-    def process(self, challenge=b''):
-        if not challenge:
-            if self.cnonce and self.nonce and self.nonce_count and self.qop:
-                self.nonce_count += 1
-                return self.respond()
-            return None
-
-        data = self.parse(challenge)
-        if 'rspauth' in data:
-            if data['rspauth'] != self.response():
-                raise SASLMutualAuthFailed()
-        else:
-            self.nonce_count = 1
-            self.cnonce = bytes('%s' % random.random())[2:]
-            self.qops = data.get('qop', [b'auth'])
-            self.qop = b'auth'
-            if 'nonce' in data:
-                self.nonce = data['nonce']
-            if 'realm' in data and not self.credentials['realm']:
-                self.credentials['realm'] = data['realm']
-
-            return self.respond()
-
-
-try:
-    import kerberos
-except ImportError:
-    pass
-else:
-    @sasl_mech(75)
-    class GSSAPI(Mech):
-
-        name = 'GSSAPI'
-        required_credentials = set(['username', 'service-name'])
-        optional_credentials = set(['authzid'])
-
-        def setup(self, name):
-            authzid = self.credentials['authzid']
-            if not authzid:
-                authzid = 'xmpp@%s' % self.credentials['service-name']
-
-            _, self.gss = kerberos.authGSSClientInit(authzid)
-            self.step = 0
-
-        def process(self, challenge=b''):
-            b64_challenge = b64encode(challenge)
-            try:
-                if self.step == 0:
-                    result = kerberos.authGSSClientStep(self.gss, b64_challenge)
-                    if result != kerberos.AUTH_GSS_CONTINUE:
-                        self.step = 1
-                elif not challenge:
-                    kerberos.authGSSClientClean(self.gss)
-                    return b''
-                elif self.step == 1:
-                    username = self.credentials['username']
-
-                    kerberos.authGSSClientUnwrap(self.gss, b64_challenge)
-                    resp = kerberos.authGSSClientResponse(self.gss)
-                    kerberos.authGSSClientWrap(self.gss, resp, username)
-
-                resp = kerberos.authGSSClientResponse(self.gss)
-            except kerberos.GSSError as e:
-                raise SASLCancelled('Kerberos error: %s' % e)
-            if not resp:
-                return b''
-            else:
-                return b64decode(resp)