mirror of
https://git.anonymousland.org/anonymousland/synapse-product.git
synced 2024-12-12 22:54:19 -05:00
277 lines
9.1 KiB
Python
277 lines
9.1 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 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 synapse.api.errors import SynapseError
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from synapse.http.servlet import RestServlet
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from syutil.jsonutil import encode_canonical_json
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from ._base import client_v2_pattern
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import simplejson as json
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import logging
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logger = logging.getLogger(__name__)
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class KeyUploadServlet(RestServlet):
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"""
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POST /keys/upload/<device_id> HTTP/1.1
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Content-Type: application/json
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{
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"device_keys": {
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"user_id": "<user_id>",
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"device_id": "<device_id>",
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"valid_until_ts": <millisecond_timestamp>,
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"algorithms": [
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"m.olm.curve25519-aes-sha256",
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]
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"keys": {
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"<algorithm>:<device_id>": "<key_base64>",
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},
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"signatures:" {
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"<user_id>" {
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"<algorithm>:<device_id>": "<signature_base64>"
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} } },
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"one_time_keys": {
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"<algorithm>:<key_id>": "<key_base64>"
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},
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}
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"""
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PATTERN = client_v2_pattern("/keys/upload/(?P<device_id>[^/]*)")
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def __init__(self, hs):
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super(KeyUploadServlet, self).__init__()
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self.store = hs.get_datastore()
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self.clock = hs.get_clock()
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self.auth = hs.get_auth()
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@defer.inlineCallbacks
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def on_POST(self, request, device_id):
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auth_user, client_info = yield self.auth.get_user_by_req(request)
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user_id = auth_user.to_string()
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# TODO: Check that the device_id matches that in the authentication
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# or derive the device_id from the authentication instead.
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try:
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body = json.loads(request.content.read())
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except:
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raise SynapseError(400, "Invalid key JSON")
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time_now = self.clock.time_msec()
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# TODO: Validate the JSON to make sure it has the right keys.
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device_keys = body.get("device_keys", None)
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if device_keys:
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logger.info(
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"Updating device_keys for device %r for user %r at %d",
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device_id, auth_user, time_now
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)
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# TODO: Sign the JSON with the server key
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yield self.store.set_e2e_device_keys(
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user_id, device_id, time_now,
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encode_canonical_json(device_keys)
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)
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one_time_keys = body.get("one_time_keys", None)
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if one_time_keys:
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logger.info(
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"Adding %d one_time_keys for device %r for user %r at %d",
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len(one_time_keys), device_id, user_id, time_now
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)
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key_list = []
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for key_id, key_json in one_time_keys.items():
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algorithm, key_id = key_id.split(":")
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key_list.append((
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algorithm, key_id, encode_canonical_json(key_json)
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))
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yield self.store.add_e2e_one_time_keys(
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user_id, device_id, time_now, key_list
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)
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result = yield self.store.count_e2e_one_time_keys(user_id, device_id)
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defer.returnValue((200, {"one_time_key_counts": result}))
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@defer.inlineCallbacks
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def on_GET(self, request, device_id):
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auth_user, client_info = yield self.auth.get_user_by_req(request)
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user_id = auth_user.to_string()
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result = yield self.store.count_e2e_one_time_keys(user_id, device_id)
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defer.returnValue((200, {"one_time_key_counts": result}))
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class KeyQueryServlet(RestServlet):
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"""
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GET /keys/query/<user_id> HTTP/1.1
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GET /keys/query/<user_id>/<device_id> HTTP/1.1
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POST /keys/query HTTP/1.1
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Content-Type: application/json
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{
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"device_keys": {
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"<user_id>": ["<device_id>"]
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} }
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HTTP/1.1 200 OK
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{
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"device_keys": {
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"<user_id>": {
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"<device_id>": {
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"user_id": "<user_id>", // Duplicated to be signed
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"device_id": "<device_id>", // Duplicated to be signed
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"valid_until_ts": <millisecond_timestamp>,
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"algorithms": [ // List of supported algorithms
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"m.olm.curve25519-aes-sha256",
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],
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"keys": { // Must include a ed25519 signing key
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"<algorithm>:<key_id>": "<key_base64>",
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},
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"signatures:" {
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// Must be signed with device's ed25519 key
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"<user_id>/<device_id>": {
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"<algorithm>:<key_id>": "<signature_base64>"
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}
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// Must be signed by this server.
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"<server_name>": {
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"<algorithm>:<key_id>": "<signature_base64>"
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} } } } } }
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"""
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PATTERN = client_v2_pattern(
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"/keys/query(?:"
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"/(?P<user_id>[^/]*)(?:"
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"/(?P<device_id>[^/]*)"
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")?"
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")?"
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)
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def __init__(self, hs):
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super(KeyQueryServlet, self).__init__()
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self.store = hs.get_datastore()
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self.auth = hs.get_auth()
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@defer.inlineCallbacks
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def on_POST(self, request, user_id, device_id):
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logger.debug("onPOST")
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yield self.auth.get_user_by_req(request)
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try:
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body = json.loads(request.content.read())
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except:
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raise SynapseError(400, "Invalid key JSON")
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query = []
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for user_id, device_ids in body.get("device_keys", {}).items():
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if not device_ids:
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query.append((user_id, None))
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else:
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for device_id in device_ids:
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query.append((user_id, device_id))
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results = yield self.store.get_e2e_device_keys(query)
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defer.returnValue(self.json_result(request, results))
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@defer.inlineCallbacks
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def on_GET(self, request, user_id, device_id):
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auth_user, client_info = yield self.auth.get_user_by_req(request)
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auth_user_id = auth_user.to_string()
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if not user_id:
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user_id = auth_user_id
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if not device_id:
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device_id = None
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# Returns a map of user_id->device_id->json_bytes.
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results = yield self.store.get_e2e_device_keys([(user_id, device_id)])
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defer.returnValue(self.json_result(request, results))
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def json_result(self, request, results):
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json_result = {}
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for user_id, device_keys in results.items():
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for device_id, json_bytes in device_keys.items():
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json_result.setdefault(user_id, {})[device_id] = json.loads(
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json_bytes
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)
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return (200, {"device_keys": json_result})
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class OneTimeKeyServlet(RestServlet):
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"""
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GET /keys/claim/<user-id>/<device-id>/<algorithm> HTTP/1.1
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POST /keys/claim HTTP/1.1
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{
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"one_time_keys": {
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"<user_id>": {
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"<device_id>": "<algorithm>"
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} } }
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HTTP/1.1 200 OK
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{
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"one_time_keys": {
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"<user_id>": {
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"<device_id>": {
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"<algorithm>:<key_id>": "<key_base64>"
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} } } }
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"""
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PATTERN = client_v2_pattern(
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"/keys/claim(?:/?|(?:/"
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"(?P<user_id>[^/]*)/(?P<device_id>[^/]*)/(?P<algorithm>[^/]*)"
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")?)"
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)
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def __init__(self, hs):
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super(OneTimeKeyServlet, self).__init__()
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self.store = hs.get_datastore()
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self.auth = hs.get_auth()
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self.clock = hs.get_clock()
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@defer.inlineCallbacks
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def on_GET(self, request, user_id, device_id, algorithm):
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yield self.auth.get_user_by_req(request)
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results = yield self.store.claim_e2e_one_time_keys(
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[(user_id, device_id, algorithm)]
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)
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defer.returnValue(self.json_result(request, results))
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@defer.inlineCallbacks
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def on_POST(self, request, user_id, device_id, algorithm):
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yield self.auth.get_user_by_req(request)
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try:
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body = json.loads(request.content.read())
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except:
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raise SynapseError(400, "Invalid key JSON")
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query = []
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for user_id, device_keys in body.get("one_time_keys", {}).items():
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for device_id, algorithm in device_keys.items():
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query.append((user_id, device_id, algorithm))
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results = yield self.store.claim_e2e_one_time_keys(query)
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defer.returnValue(self.json_result(request, results))
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def json_result(self, request, results):
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json_result = {}
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for user_id, device_keys in results.items():
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for device_id, keys in device_keys.items():
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for key_id, json_bytes in keys.items():
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json_result.setdefault(user_id, {})[device_id] = {
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key_id: json.loads(json_bytes)
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}
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return (200, {"one_time_keys": json_result})
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def register_servlets(hs, http_server):
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KeyUploadServlet(hs).register(http_server)
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KeyQueryServlet(hs).register(http_server)
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OneTimeKeyServlet(hs).register(http_server)
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