mirror of
https://mau.dev/maunium/synapse.git
synced 2024-10-01 01:36:05 -04:00
378 lines
12 KiB
Python
378 lines
12 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2014, 2015 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.
|
|
|
|
from twisted.internet import defer
|
|
|
|
from synapse.api.urls import FEDERATION_PREFIX as PREFIX
|
|
from synapse.api.errors import Codes, SynapseError
|
|
from synapse.util.logutils import log_function
|
|
|
|
import logging
|
|
import simplejson as json
|
|
import re
|
|
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class TransportLayerServer(object):
|
|
"""Handles incoming federation HTTP requests"""
|
|
|
|
@defer.inlineCallbacks
|
|
def _authenticate_request(self, request):
|
|
json_request = {
|
|
"method": request.method,
|
|
"uri": request.uri,
|
|
"destination": self.server_name,
|
|
"signatures": {},
|
|
}
|
|
|
|
content = None
|
|
origin = None
|
|
|
|
if request.method in ["PUT", "POST"]:
|
|
# TODO: Handle other method types? other content types?
|
|
try:
|
|
content_bytes = request.content.read()
|
|
content = json.loads(content_bytes)
|
|
json_request["content"] = content
|
|
except:
|
|
raise SynapseError(400, "Unable to parse JSON", Codes.BAD_JSON)
|
|
|
|
def parse_auth_header(header_str):
|
|
try:
|
|
params = auth.split(" ")[1].split(",")
|
|
param_dict = dict(kv.split("=") for kv in params)
|
|
|
|
def strip_quotes(value):
|
|
if value.startswith("\""):
|
|
return value[1:-1]
|
|
else:
|
|
return value
|
|
|
|
origin = strip_quotes(param_dict["origin"])
|
|
key = strip_quotes(param_dict["key"])
|
|
sig = strip_quotes(param_dict["sig"])
|
|
return (origin, key, sig)
|
|
except:
|
|
raise SynapseError(
|
|
400, "Malformed Authorization header", Codes.UNAUTHORIZED
|
|
)
|
|
|
|
auth_headers = request.requestHeaders.getRawHeaders(b"Authorization")
|
|
|
|
if not auth_headers:
|
|
raise SynapseError(
|
|
401, "Missing Authorization headers", Codes.UNAUTHORIZED,
|
|
)
|
|
|
|
for auth in auth_headers:
|
|
if auth.startswith("X-Matrix"):
|
|
(origin, key, sig) = parse_auth_header(auth)
|
|
json_request["origin"] = origin
|
|
json_request["signatures"].setdefault(origin, {})[key] = sig
|
|
|
|
if not json_request["signatures"]:
|
|
raise SynapseError(
|
|
401, "Missing Authorization headers", Codes.UNAUTHORIZED,
|
|
)
|
|
|
|
yield self.keyring.verify_json_for_server(origin, json_request)
|
|
|
|
defer.returnValue((origin, content))
|
|
|
|
def _with_authentication(self, handler):
|
|
@defer.inlineCallbacks
|
|
def new_handler(request, *args, **kwargs):
|
|
try:
|
|
(origin, content) = yield self._authenticate_request(request)
|
|
response = yield handler(
|
|
origin, content, request.args, *args, **kwargs
|
|
)
|
|
except:
|
|
logger.exception("_authenticate_request failed")
|
|
raise
|
|
defer.returnValue(response)
|
|
return new_handler
|
|
|
|
@log_function
|
|
def register_received_handler(self, handler):
|
|
""" Register a handler that will be fired when we receive data.
|
|
|
|
Args:
|
|
handler (TransportReceivedHandler)
|
|
"""
|
|
self.received_handler = handler
|
|
|
|
# This is when someone is trying to send us a bunch of data.
|
|
self.server.register_path(
|
|
"PUT",
|
|
re.compile("^" + PREFIX + "/send/([^/]*)/$"),
|
|
self._with_authentication(self._on_send_request)
|
|
)
|
|
|
|
@log_function
|
|
def register_request_handler(self, handler):
|
|
""" Register a handler that will be fired when we get asked for data.
|
|
|
|
Args:
|
|
handler (TransportRequestHandler)
|
|
"""
|
|
self.request_handler = handler
|
|
|
|
# This is for when someone asks us for everything since version X
|
|
self.server.register_path(
|
|
"GET",
|
|
re.compile("^" + PREFIX + "/pull/$"),
|
|
self._with_authentication(
|
|
lambda origin, content, query:
|
|
handler.on_pull_request(query["origin"][0], query["v"])
|
|
)
|
|
)
|
|
|
|
# This is when someone asks for a data item for a given server
|
|
# data_id pair.
|
|
self.server.register_path(
|
|
"GET",
|
|
re.compile("^" + PREFIX + "/event/([^/]*)/$"),
|
|
self._with_authentication(
|
|
lambda origin, content, query, event_id:
|
|
handler.on_pdu_request(origin, event_id)
|
|
)
|
|
)
|
|
|
|
# This is when someone asks for all data for a given context.
|
|
self.server.register_path(
|
|
"GET",
|
|
re.compile("^" + PREFIX + "/state/([^/]*)/$"),
|
|
self._with_authentication(
|
|
lambda origin, content, query, context:
|
|
handler.on_context_state_request(
|
|
origin,
|
|
context,
|
|
query.get("event_id", [None])[0],
|
|
)
|
|
)
|
|
)
|
|
|
|
self.server.register_path(
|
|
"GET",
|
|
re.compile("^" + PREFIX + "/backfill/([^/]*)/$"),
|
|
self._with_authentication(
|
|
lambda origin, content, query, context:
|
|
self._on_backfill_request(
|
|
origin, context, query["v"], query["limit"]
|
|
)
|
|
)
|
|
)
|
|
|
|
# This is when we receive a server-server Query
|
|
self.server.register_path(
|
|
"GET",
|
|
re.compile("^" + PREFIX + "/query/([^/]*)$"),
|
|
self._with_authentication(
|
|
lambda origin, content, query, query_type:
|
|
handler.on_query_request(
|
|
query_type,
|
|
{k: v[0].decode("utf-8") for k, v in query.items()}
|
|
)
|
|
)
|
|
)
|
|
|
|
self.server.register_path(
|
|
"GET",
|
|
re.compile("^" + PREFIX + "/make_join/([^/]*)/([^/]*)$"),
|
|
self._with_authentication(
|
|
lambda origin, content, query, context, user_id:
|
|
self._on_make_join_request(
|
|
origin, content, query, context, user_id
|
|
)
|
|
)
|
|
)
|
|
|
|
self.server.register_path(
|
|
"GET",
|
|
re.compile("^" + PREFIX + "/event_auth/([^/]*)/([^/]*)$"),
|
|
self._with_authentication(
|
|
lambda origin, content, query, context, event_id:
|
|
handler.on_event_auth(
|
|
origin, context, event_id,
|
|
)
|
|
)
|
|
)
|
|
|
|
self.server.register_path(
|
|
"PUT",
|
|
re.compile("^" + PREFIX + "/send_join/([^/]*)/([^/]*)$"),
|
|
self._with_authentication(
|
|
lambda origin, content, query, context, event_id:
|
|
self._on_send_join_request(
|
|
origin, content, query,
|
|
)
|
|
)
|
|
)
|
|
|
|
self.server.register_path(
|
|
"PUT",
|
|
re.compile("^" + PREFIX + "/invite/([^/]*)/([^/]*)$"),
|
|
self._with_authentication(
|
|
lambda origin, content, query, context, event_id:
|
|
self._on_invite_request(
|
|
origin, content, query,
|
|
)
|
|
)
|
|
)
|
|
|
|
self.server.register_path(
|
|
"POST",
|
|
re.compile("^" + PREFIX + "/query_auth/([^/]*)/([^/]*)$"),
|
|
self._with_authentication(
|
|
lambda origin, content, query, context, event_id:
|
|
self._on_query_auth_request(
|
|
origin, content, event_id,
|
|
)
|
|
)
|
|
)
|
|
|
|
self.server.register_path(
|
|
"POST",
|
|
re.compile("^" + PREFIX + "/get_missing_events/([^/]*)/?$"),
|
|
self._with_authentication(
|
|
lambda origin, content, query, room_id:
|
|
self._get_missing_events(
|
|
origin, content, room_id,
|
|
)
|
|
)
|
|
)
|
|
|
|
@defer.inlineCallbacks
|
|
@log_function
|
|
def _on_send_request(self, origin, content, query, transaction_id):
|
|
""" Called on PUT /send/<transaction_id>/
|
|
|
|
Args:
|
|
request (twisted.web.http.Request): The HTTP request.
|
|
transaction_id (str): The transaction_id associated with this
|
|
request. This is *not* None.
|
|
|
|
Returns:
|
|
Deferred: Results in a tuple of `(code, response)`, where
|
|
`response` is a python dict to be converted into JSON that is
|
|
used as the response body.
|
|
"""
|
|
# Parse the request
|
|
try:
|
|
transaction_data = content
|
|
|
|
logger.debug(
|
|
"Decoded %s: %s",
|
|
transaction_id, str(transaction_data)
|
|
)
|
|
|
|
# We should ideally be getting this from the security layer.
|
|
# origin = body["origin"]
|
|
|
|
# Add some extra data to the transaction dict that isn't included
|
|
# in the request body.
|
|
transaction_data.update(
|
|
transaction_id=transaction_id,
|
|
destination=self.server_name
|
|
)
|
|
|
|
except Exception as e:
|
|
logger.exception(e)
|
|
defer.returnValue((400, {"error": "Invalid transaction"}))
|
|
return
|
|
|
|
try:
|
|
handler = self.received_handler
|
|
code, response = yield handler.on_incoming_transaction(
|
|
transaction_data
|
|
)
|
|
except:
|
|
logger.exception("on_incoming_transaction failed")
|
|
raise
|
|
|
|
defer.returnValue((code, response))
|
|
|
|
@log_function
|
|
def _on_backfill_request(self, origin, context, v_list, limits):
|
|
if not limits:
|
|
return defer.succeed(
|
|
(400, {"error": "Did not include limit param"})
|
|
)
|
|
|
|
limit = int(limits[-1])
|
|
|
|
versions = v_list
|
|
|
|
return self.request_handler.on_backfill_request(
|
|
origin, context, versions, limit
|
|
)
|
|
|
|
@defer.inlineCallbacks
|
|
@log_function
|
|
def _on_make_join_request(self, origin, content, query, context, user_id):
|
|
content = yield self.request_handler.on_make_join_request(
|
|
context, user_id,
|
|
)
|
|
defer.returnValue((200, content))
|
|
|
|
@defer.inlineCallbacks
|
|
@log_function
|
|
def _on_send_join_request(self, origin, content, query):
|
|
content = yield self.request_handler.on_send_join_request(
|
|
origin, content,
|
|
)
|
|
|
|
defer.returnValue((200, content))
|
|
|
|
@defer.inlineCallbacks
|
|
@log_function
|
|
def _on_invite_request(self, origin, content, query):
|
|
content = yield self.request_handler.on_invite_request(
|
|
origin, content,
|
|
)
|
|
|
|
defer.returnValue((200, content))
|
|
|
|
@defer.inlineCallbacks
|
|
@log_function
|
|
def _on_query_auth_request(self, origin, content, event_id):
|
|
new_content = yield self.request_handler.on_query_auth_request(
|
|
origin, content, event_id
|
|
)
|
|
|
|
defer.returnValue((200, new_content))
|
|
|
|
@defer.inlineCallbacks
|
|
@log_function
|
|
def _get_missing_events(self, origin, content, room_id):
|
|
limit = int(content.get("limit", 10))
|
|
min_depth = int(content.get("min_depth", 0))
|
|
earliest_events = content.get("earliest_events", [])
|
|
latest_events = content.get("latest_events", [])
|
|
|
|
content = yield self.request_handler.on_get_missing_events(
|
|
origin,
|
|
room_id=room_id,
|
|
earliest_events=earliest_events,
|
|
latest_events=latest_events,
|
|
min_depth=min_depth,
|
|
limit=limit,
|
|
)
|
|
|
|
defer.returnValue((200, content))
|