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Diffstat (limited to 'synapse/rest/client/v1/transactions.py')
| -rw-r--r-- | synapse/rest/client/v1/transactions.py | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/synapse/rest/client/v1/transactions.py b/synapse/rest/client/v1/transactions.py deleted file mode 100644 index 2f2c9d0881..0000000000 --- a/synapse/rest/client/v1/transactions.py +++ /dev/null @@ -1,97 +0,0 @@ -# -*- coding: utf-8 -*- -# Copyright 2014-2016 OpenMarket Ltd -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -"""This module contains logic for storing HTTP PUT transactions. This is used -to ensure idempotency when performing PUTs using the REST API.""" -import logging - -from synapse.api.auth import get_access_token_from_request - -logger = logging.getLogger(__name__) - - -# FIXME: elsewhere we use FooStore to indicate something in the storage layer... -class HttpTransactionStore(object): - - def __init__(self): - # { key : (txn_id, response) } - self.transactions = {} - - def get_response(self, key, txn_id): - """Retrieve a response for this request. - - Args: - key (str): A transaction-independent key for this request. Usually - this is a combination of the path (without the transaction id) - and the user's access token. - txn_id (str): The transaction ID for this request - Returns: - A tuple of (HTTP response code, response content) or None. - """ - try: - logger.debug("get_response TxnId: %s", txn_id) - (last_txn_id, response) = self.transactions[key] - if txn_id == last_txn_id: - logger.info("get_response: Returning a response for %s", txn_id) - return response - except KeyError: - pass - return None - - def store_response(self, key, txn_id, response): - """Stores an HTTP response tuple. - - Args: - key (str): A transaction-independent key for this request. Usually - this is a combination of the path (without the transaction id) - and the user's access token. - txn_id (str): The transaction ID for this request. - response (tuple): A tuple of (HTTP response code, response content) - """ - logger.debug("store_response TxnId: %s", txn_id) - self.transactions[key] = (txn_id, response) - - def store_client_transaction(self, request, txn_id, response): - """Stores the request/response pair of an HTTP transaction. - - Args: - request (twisted.web.http.Request): The twisted HTTP request. This - request must have the transaction ID as the last path segment. - response (tuple): A tuple of (response code, response dict) - txn_id (str): The transaction ID for this request. - """ - self.store_response(self._get_key(request), txn_id, response) - - def get_client_transaction(self, request, txn_id): - """Retrieves a stored response if there was one. - - Args: - request (twisted.web.http.Request): The twisted HTTP request. This - request must have the transaction ID as the last path segment. - txn_id (str): The transaction ID for this request. - Returns: - The response tuple. - Raises: - KeyError if the transaction was not found. - """ - response = self.get_response(self._get_key(request), txn_id) - if response is None: - raise KeyError("Transaction not found.") - return response - - def _get_key(self, request): - token = get_access_token_from_request(request) - path_without_txn_id = request.path.rsplit("/", 1)[0] - return path_without_txn_id + "/" + token |