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143 lines
4.8 KiB
Python
143 lines
4.8 KiB
Python
#
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# This file is licensed under the Affero General Public License (AGPL) version 3.
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#
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# Copyright (C) 2023 New Vector, Ltd
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# See the GNU Affero General Public License for more details:
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# <https://www.gnu.org/licenses/agpl-3.0.html>.
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#
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# Originally licensed under the Apache License, Version 2.0:
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# <http://www.apache.org/licenses/LICENSE-2.0>.
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#
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# [This file includes modifications made by New Vector Limited]
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#
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#
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import logging
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import re
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from typing import TYPE_CHECKING, Optional, Tuple
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from synapse.api.constants import Direction
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from synapse.handlers.relations import ThreadsListInclude
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from synapse.http.server import HttpServer
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from synapse.http.servlet import RestServlet, parse_boolean, parse_integer, parse_string
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from synapse.http.site import SynapseRequest
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from synapse.rest.client._base import client_patterns
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from synapse.storage.databases.main.relations import ThreadsNextBatch
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from synapse.streams.config import PaginationConfig
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from synapse.types import JsonDict
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if TYPE_CHECKING:
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from synapse.server import HomeServer
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logger = logging.getLogger(__name__)
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class RelationPaginationServlet(RestServlet):
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"""API to paginate relations on an event by topological ordering, optionally
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filtered by relation type and event type.
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"""
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PATTERNS = client_patterns(
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"/rooms/(?P<room_id>[^/]*)/relations/(?P<parent_id>[^/]*)"
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"(/(?P<relation_type>[^/]*)(/(?P<event_type>[^/]*))?)?$",
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releases=("v1",),
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)
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CATEGORY = "Client API requests"
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def __init__(self, hs: "HomeServer"):
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super().__init__()
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self.auth = hs.get_auth()
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self._store = hs.get_datastores().main
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self._relations_handler = hs.get_relations_handler()
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self._support_recurse = hs.config.experimental.msc3981_recurse_relations
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async def on_GET(
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self,
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request: SynapseRequest,
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room_id: str,
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parent_id: str,
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relation_type: Optional[str] = None,
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event_type: Optional[str] = None,
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) -> Tuple[int, JsonDict]:
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requester = await self.auth.get_user_by_req(request, allow_guest=True)
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pagination_config = await PaginationConfig.from_request(
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self._store, request, default_limit=5, default_dir=Direction.BACKWARDS
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)
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if self._support_recurse:
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recurse = parse_boolean(
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request, "org.matrix.msc3981.recurse", default=False
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)
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else:
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recurse = False
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# The unstable version of this API returns an extra field for client
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# compatibility, see https://github.com/matrix-org/synapse/issues/12930.
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assert request.path is not None
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include_original_event = request.path.startswith(b"/_matrix/client/unstable/")
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# Return the relations
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result = await self._relations_handler.get_relations(
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requester=requester,
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event_id=parent_id,
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room_id=room_id,
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pagin_config=pagination_config,
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recurse=recurse,
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include_original_event=include_original_event,
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relation_type=relation_type,
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event_type=event_type,
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)
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return 200, result
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class ThreadsServlet(RestServlet):
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PATTERNS = (re.compile("^/_matrix/client/v1/rooms/(?P<room_id>[^/]*)/threads"),)
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CATEGORY = "Client API requests"
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def __init__(self, hs: "HomeServer"):
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super().__init__()
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self.auth = hs.get_auth()
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self.store = hs.get_datastores().main
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self._relations_handler = hs.get_relations_handler()
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async def on_GET(
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self, request: SynapseRequest, room_id: str
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) -> Tuple[int, JsonDict]:
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requester = await self.auth.get_user_by_req(request)
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limit = parse_integer(request, "limit", default=5)
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from_token_str = parse_string(request, "from")
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include = parse_string(
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request,
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"include",
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default=ThreadsListInclude.all.value,
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allowed_values=[v.value for v in ThreadsListInclude],
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)
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# Return the relations
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from_token = None
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if from_token_str:
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from_token = ThreadsNextBatch.from_string(from_token_str)
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result = await self._relations_handler.get_threads(
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requester=requester,
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room_id=room_id,
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include=ThreadsListInclude(include),
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limit=limit,
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from_token=from_token,
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)
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return 200, result
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def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
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RelationPaginationServlet(hs).register(http_server)
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ThreadsServlet(hs).register(http_server)
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