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- # -*- coding: utf-8 -*-
- # Copyright 2019 The Matrix.org Foundation C.I.C.
- #
- # 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.
- from __future__ import absolute_import
- from twisted.web.resource import Resource
- from sydent.http.auth import authIfV2
- import logging
- from sydent.http.servlets import jsonwrap, send_cors
- logger = logging.getLogger(__name__)
- class HashDetailsServlet(Resource):
- isLeaf = True
- known_algorithms = ["sha256", "none"]
- def __init__(self, syd, lookup_pepper):
- self.sydent = syd
- self.lookup_pepper = lookup_pepper
- @jsonwrap
- def render_GET(self, request):
- """
- Return the hashing algorithms and pepper that this IS supports. The
- pepper included in the response is stored in the database, or
- otherwise generated.
- Returns: An object containing an array of hashing algorithms the
- server supports, and a `lookup_pepper` field, which is a
- server-defined value that the client should include in the 3PID
- information before hashing.
- """
- send_cors(request)
- authIfV2(self.sydent, request)
- return {
- "algorithms": self.known_algorithms,
- "lookup_pepper": self.lookup_pepper,
- }
- def render_OPTIONS(self, request):
- send_cors(request)
- return b''
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