115 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			115 lines
		
	
	
		
			3.8 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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| 
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| from twisted.internet import defer
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| 
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| from sqlite3 import IntegrityError
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| 
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| from synapse.api.errors import StoreError, Codes
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| 
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| from ._base import SQLBaseStore
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| 
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| 
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| class RegistrationStore(SQLBaseStore):
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| 
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|     def __init__(self, hs):
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|         super(RegistrationStore, self).__init__(hs)
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| 
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|         self.clock = hs.get_clock()
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| 
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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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| 
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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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| 
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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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| 
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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._db_pool.runInteraction(self._register, user_id, token,
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|                                            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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| 
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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(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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| 
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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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| 
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|     @defer.inlineCallbacks
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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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| 
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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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|             str: The user ID of the user.
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|         Raises:
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|             StoreError if no user was found.
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|         """
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|         user_id = yield self._db_pool.runInteraction(self._query_for_auth,
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|                                                      token)
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|         defer.returnValue(user_id)
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| 
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|     def _query_for_auth(self, txn, token):
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|         txn.execute("SELECT users.name FROM access_tokens LEFT JOIN users" +
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|                     " ON users.id = access_tokens.user_id WHERE token = ?",
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|                     [token])
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|         row = txn.fetchone()
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|         if row:
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|             return row[0]
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| 
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|         raise StoreError(404, "Token not found.")
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