124 lines
4.3 KiB
Python
124 lines
4.3 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2017 New Vector 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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from twisted.internet import defer
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from synapse.types import UserID
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class ModuleApi(object):
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"""A proxy object that gets passed to password auth providers so they
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can register new users etc if necessary.
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"""
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def __init__(self, hs, auth_handler):
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self.hs = hs
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self._store = hs.get_datastore()
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self._auth = hs.get_auth()
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self._auth_handler = auth_handler
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def get_user_by_req(self, req, allow_guest=False):
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"""Check the access_token provided for a request
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Args:
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req (twisted.web.server.Request): Incoming HTTP request
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allow_guest (bool): True if guest users should be allowed. If this
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is False, and the access token is for a guest user, an
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AuthError will be thrown
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Returns:
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twisted.internet.defer.Deferred[synapse.types.Requester]:
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the requester for this request
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Raises:
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synapse.api.errors.AuthError: if no user by that token exists,
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or the token is invalid.
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"""
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return self._auth.get_user_by_req(req, allow_guest)
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def get_qualified_user_id(self, username):
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"""Qualify a user id, if necessary
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Takes a user id provided by the user and adds the @ and :domain to
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qualify it, if necessary
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Args:
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username (str): provided user id
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Returns:
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str: qualified @user:id
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"""
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if username.startswith('@'):
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return username
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return UserID(username, self.hs.hostname).to_string()
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def check_user_exists(self, user_id):
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"""Check if user exists.
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Args:
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user_id (str): Complete @user:id
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Returns:
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Deferred[str|None]: Canonical (case-corrected) user_id, or None
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if the user is not registered.
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"""
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return self._auth_handler.check_user_exists(user_id)
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def register(self, localpart):
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"""Registers a new user with given localpart
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Returns:
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Deferred: a 2-tuple of (user_id, access_token)
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"""
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reg = self.hs.get_handlers().registration_handler
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return reg.register(localpart=localpart)
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@defer.inlineCallbacks
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def invalidate_access_token(self, access_token):
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"""Invalidate an access token for a user
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Args:
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access_token(str): access token
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Returns:
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twisted.internet.defer.Deferred - resolves once the access token
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has been removed.
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Raises:
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synapse.api.errors.AuthError: the access token is invalid
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"""
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# see if the access token corresponds to a device
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user_info = yield self._auth.get_user_by_access_token(access_token)
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device_id = user_info.get("device_id")
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user_id = user_info["user"].to_string()
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if device_id:
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# delete the device, which will also delete its access tokens
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yield self.hs.get_device_handler().delete_device(user_id, device_id)
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else:
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# no associated device. Just delete the access token.
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yield self._auth_handler.delete_access_token(access_token)
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def run_db_interaction(self, desc, func, *args, **kwargs):
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"""Run a function with a database connection
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Args:
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desc (str): description for the transaction, for metrics etc
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func (func): function to be run. Passed a database cursor object
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as well as *args and **kwargs
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*args: positional args to be passed to func
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**kwargs: named args to be passed to func
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Returns:
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Deferred[object]: result of func
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"""
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return self._store.runInteraction(desc, func, *args, **kwargs)
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