106 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			106 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			Python
		
	
	
# Copyright 2014-2016 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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""" This module contains REST servlets to do with presence: /presence/<paths>
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"""
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import logging
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from typing import TYPE_CHECKING, Tuple
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from synapse.api.errors import AuthError, SynapseError
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from synapse.handlers.presence import format_user_presence_state
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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.rest.client._base import client_patterns
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from synapse.types import JsonDict, UserID
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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 PresenceStatusRestServlet(RestServlet):
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    PATTERNS = client_patterns("/presence/(?P<user_id>[^/]*)/status", v1=True)
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    def __init__(self, hs: "HomeServer"):
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        super().__init__()
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        self.hs = hs
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        self.presence_handler = hs.get_presence_handler()
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        self.clock = hs.get_clock()
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        self.auth = hs.get_auth()
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        self._use_presence = hs.config.server.use_presence
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    async def on_GET(
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        self, request: SynapseRequest, user_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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        user = UserID.from_string(user_id)
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        if not self._use_presence:
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            return 200, {"presence": "offline"}
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        if requester.user != user:
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            allowed = await self.presence_handler.is_visible(
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                observed_user=user, observer_user=requester.user
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            )
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            if not allowed:
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                raise AuthError(403, "You are not allowed to see their presence.")
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        state = await self.presence_handler.get_state(target_user=user)
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        result = format_user_presence_state(
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            state, self.clock.time_msec(), include_user_id=False
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        )
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        return 200, result
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    async def on_PUT(
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        self, request: SynapseRequest, user_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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        user = UserID.from_string(user_id)
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        if requester.user != user:
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            raise AuthError(403, "Can only set your own presence state")
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        state = {}
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        content = parse_json_object_from_request(request)
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        try:
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            state["presence"] = content.pop("presence")
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            if "status_msg" in content:
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                state["status_msg"] = content.pop("status_msg")
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                if not isinstance(state["status_msg"], str):
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                    raise SynapseError(400, "status_msg must be a string.")
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            if content:
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                raise KeyError()
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        except SynapseError as e:
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            raise e
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        except Exception:
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            raise SynapseError(400, "Unable to parse state")
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        if self._use_presence:
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            await self.presence_handler.set_state(user, state)
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        return 200, {}
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def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
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    PresenceStatusRestServlet(hs).register(http_server)
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