mirror of
https://mau.dev/maunium/synapse.git
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102 lines
3.6 KiB
Python
102 lines
3.6 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Contains functions for registering clients."""
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from twisted.internet import defer
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from synapse.types import UserID
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from synapse.api.errors import SynapseError, RegistrationError
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from ._base import BaseHandler
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import synapse.util.stringutils as stringutils
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import base64
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import bcrypt
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class RegistrationHandler(BaseHandler):
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def __init__(self, hs):
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super(RegistrationHandler, self).__init__(hs)
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self.distributor = hs.get_distributor()
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self.distributor.declare("registered_user")
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@defer.inlineCallbacks
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def register(self, localpart=None, password=None):
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"""Registers a new client on the server.
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Args:
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localpart : The local part of the user ID to register. If None,
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one will be randomly generated.
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password (str) : The password to assign to this user so they can
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login again.
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Returns:
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A tuple of (user_id, access_token).
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Raises:
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RegistrationError if there was a problem registering.
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"""
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password_hash = None
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if password:
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password_hash = bcrypt.hashpw(password, bcrypt.gensalt())
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if localpart:
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user = UserID(localpart, self.hs.hostname, True)
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user_id = user.to_string()
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token = self._generate_token(user_id)
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yield self.store.register(user_id=user_id,
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token=token,
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password_hash=password_hash)
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self.distributor.fire("registered_user", user)
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defer.returnValue((user_id, token))
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else:
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# autogen a random user ID
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attempts = 0
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user_id = None
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token = None
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while not user_id and not token:
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try:
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localpart = self._generate_user_id()
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user = UserID(localpart, self.hs.hostname, True)
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user_id = user.to_string()
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token = self._generate_token(user_id)
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yield self.store.register(
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user_id=user_id,
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token=token,
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password_hash=password_hash)
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self.distributor.fire("registered_user", user)
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defer.returnValue((user_id, token))
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except SynapseError:
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# if user id is taken, just generate another
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user_id = None
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token = None
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attempts += 1
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if attempts > 5:
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raise RegistrationError(
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500, "Cannot generate user ID.")
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def _generate_token(self, user_id):
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# urlsafe variant uses _ and - so use . as the separator and replace
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# all =s with .s so http clients don't quote =s when it is used as
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# query params.
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return (base64.urlsafe_b64encode(user_id).replace('=', '.') + '.' +
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stringutils.random_string(18))
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def _generate_user_id(self):
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return "-" + stringutils.random_string(18)
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