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120 lines
3.8 KiB
Python
120 lines
3.8 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 time
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from http import HTTPStatus
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from typing import TYPE_CHECKING, Any, Dict, Tuple
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from synapse.api.errors import (
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CodeMessageException,
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Codes,
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HttpResponseException,
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SynapseError,
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)
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from synapse.http import RequestTimedOutError
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from synapse.http.server import HttpServer
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from synapse.http.servlet import RestServlet, parse_json_object_from_request
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from synapse.http.site import SynapseRequest
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from synapse.types import JsonDict
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from ._base import client_patterns
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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 AppservicePingRestServlet(RestServlet):
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PATTERNS = client_patterns(
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"/appservice/(?P<appservice_id>[^/]*)/ping",
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releases=("v1",),
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)
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def __init__(self, hs: "HomeServer"):
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super().__init__()
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self.as_api = hs.get_application_service_api()
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self.auth = hs.get_auth()
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async def on_POST(
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self, request: SynapseRequest, appservice_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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if not requester.app_service:
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raise SynapseError(
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HTTPStatus.FORBIDDEN,
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"Only application services can use the /appservice/ping endpoint",
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Codes.FORBIDDEN,
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)
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elif requester.app_service.id != appservice_id:
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raise SynapseError(
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HTTPStatus.FORBIDDEN,
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"Mismatching application service ID in path",
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Codes.FORBIDDEN,
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)
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elif not requester.app_service.url:
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raise SynapseError(
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HTTPStatus.BAD_REQUEST,
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"The application service does not have a URL set",
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Codes.AS_PING_URL_NOT_SET,
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)
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content = parse_json_object_from_request(request)
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txn_id = content.get("transaction_id", None)
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start = time.monotonic()
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try:
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await self.as_api.ping(requester.app_service, txn_id)
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except RequestTimedOutError as e:
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raise SynapseError(
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HTTPStatus.GATEWAY_TIMEOUT,
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e.msg,
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Codes.AS_PING_CONNECTION_TIMEOUT,
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)
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except CodeMessageException as e:
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additional_fields: Dict[str, Any] = {"status": e.code}
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if isinstance(e, HttpResponseException):
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try:
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additional_fields["body"] = e.response.decode("utf-8")
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except UnicodeDecodeError:
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pass
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raise SynapseError(
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HTTPStatus.BAD_GATEWAY,
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f"HTTP {e.code} {e.msg}",
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Codes.AS_PING_BAD_STATUS,
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additional_fields=additional_fields,
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)
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except Exception as e:
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raise SynapseError(
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HTTPStatus.BAD_GATEWAY,
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f"{type(e).__name__}: {e}",
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Codes.AS_PING_CONNECTION_FAILED,
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)
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duration = time.monotonic() - start
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return HTTPStatus.OK, {"duration_ms": int(duration * 1000)}
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def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
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AppservicePingRestServlet(hs).register(http_server)
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