137 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			137 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			Python
		
	
	
# -*- coding: utf-8 -*-
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# Copyright 2014, 2015 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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from twisted.internet import defer
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from sqlite3 import IntegrityError
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from synapse.api.errors import StoreError, Codes
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from ._base import SQLBaseStore
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class RegistrationStore(SQLBaseStore):
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    def __init__(self, hs):
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        super(RegistrationStore, self).__init__(hs)
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        self.clock = hs.get_clock()
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    @defer.inlineCallbacks
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    def add_access_token_to_user(self, user_id, token):
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        """Adds an access token for the given user.
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        Args:
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            user_id (str): The user ID.
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            token (str): The new access token to add.
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        Raises:
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            StoreError if there was a problem adding this.
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        """
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        row = yield self._simple_select_one("users", {"name": user_id}, ["id"])
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        if not row:
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            raise StoreError(400, "Bad user ID supplied.")
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        row_id = row["id"]
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        yield self._simple_insert(
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            "access_tokens",
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            {
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                "user_id": row_id,
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                "token": token
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            }
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        )
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    @defer.inlineCallbacks
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    def register(self, user_id, token, password_hash):
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        """Attempts to register an account.
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        Args:
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            user_id (str): The desired user ID to register.
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            token (str): The desired access token to use for this user.
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            password_hash (str): Optional. The password hash for this user.
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        Raises:
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            StoreError if the user_id could not be registered.
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        """
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        yield self.runInteraction(
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            "register",
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            self._register, user_id, token, password_hash
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        )
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    def _register(self, txn, user_id, token, password_hash):
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        now = int(self.clock.time())
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        try:
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            txn.execute("INSERT INTO users(name, password_hash, creation_ts) "
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                        "VALUES (?,?,?)",
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                        [user_id, password_hash, now])
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        except IntegrityError:
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            raise StoreError(
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                400, "User ID already taken.", errcode=Codes.USER_IN_USE
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            )
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        # it's possible for this to get a conflict, but only for a single user
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        # since tokens are namespaced based on their user ID
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        txn.execute("INSERT INTO access_tokens(user_id, token) " +
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                    "VALUES (?,?)", [txn.lastrowid, token])
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    def get_user_by_id(self, user_id):
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        query = ("SELECT users.name, users.password_hash FROM users"
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                 " WHERE users.name = ?")
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        return self._execute(
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            self.cursor_to_dict,
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            query, user_id
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        )
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    def get_user_by_token(self, token):
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        """Get a user from the given access token.
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        Args:
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            token (str): The access token of a user.
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        Returns:
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            dict: Including the name (user_id), device_id and whether they are
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                an admin.
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        Raises:
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            StoreError if no user was found.
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        """
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        return self.runInteraction(
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            "get_user_by_token",
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            self._query_for_auth,
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            token
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        )
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    @defer.inlineCallbacks
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    def is_server_admin(self, user):
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        res = yield self._simple_select_one_onecol(
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            table="users",
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            keyvalues={"name": user.to_string()},
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            retcol="admin",
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            allow_none=True,
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        )
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        defer.returnValue(res if res else False)
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    def _query_for_auth(self, txn, token):
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        sql = (
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            "SELECT users.name, users.admin, access_tokens.device_id"
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            " FROM users"
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            " INNER JOIN access_tokens on users.id = access_tokens.user_id"
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            " WHERE token = ?"
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        )
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        cursor = txn.execute(sql, (token,))
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        rows = self.cursor_to_dict(cursor)
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        if rows:
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            return rows[0]
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        raise StoreError(404, "Token not found.")
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