119 lines
3.3 KiB
Go
119 lines
3.3 KiB
Go
// Copyright 2020-2024 New Vector Ltd.
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//
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// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
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// Please see LICENSE files in the repository root for full details.
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package routing
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import (
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"encoding/json"
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"net/http"
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roomserverAPI "github.com/element-hq/dendrite/roomserver/api"
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"github.com/element-hq/dendrite/userapi/api"
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"github.com/matrix-org/gomatrix"
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"github.com/matrix-org/gomatrixserverlib/spec"
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"github.com/matrix-org/util"
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"github.com/sirupsen/logrus"
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)
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func PeekRoomByIDOrAlias(
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req *http.Request,
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device *api.Device,
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rsAPI roomserverAPI.ClientRoomserverAPI,
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roomIDOrAlias string,
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) util.JSONResponse {
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// if this is a remote roomIDOrAlias, we have to ask the roomserver (or federation sender?) to
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// to call /peek and /state on the remote server.
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// TODO: in future we could skip this if we know we're already participating in the room,
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// but this is fiddly in case we stop participating in the room.
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// then we create a local peek.
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peekReq := roomserverAPI.PerformPeekRequest{
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RoomIDOrAlias: roomIDOrAlias,
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UserID: device.UserID,
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DeviceID: device.ID,
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}
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// Check to see if any ?server_name= query parameters were
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// given in the request.
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if serverNames, ok := req.URL.Query()["server_name"]; ok {
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for _, serverName := range serverNames {
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peekReq.ServerNames = append(
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peekReq.ServerNames,
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spec.ServerName(serverName),
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)
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}
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}
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// Ask the roomserver to perform the peek.
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roomID, err := rsAPI.PerformPeek(req.Context(), &peekReq)
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switch e := err.(type) {
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case roomserverAPI.ErrInvalidID:
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: spec.Unknown(e.Error()),
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}
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case roomserverAPI.ErrNotAllowed:
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return util.JSONResponse{
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Code: http.StatusForbidden,
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JSON: spec.Forbidden(e.Error()),
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}
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case *gomatrix.HTTPError:
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return util.JSONResponse{
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Code: e.Code,
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JSON: json.RawMessage(e.Message),
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}
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case nil:
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default:
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logrus.WithError(err).WithField("roomID", roomIDOrAlias).Errorf("Failed to peek room")
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return util.JSONResponse{
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Code: http.StatusInternalServerError,
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JSON: spec.InternalServerError{},
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}
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}
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// if this user is already joined to the room, we let them peek anyway
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// (given they might be about to part the room, and it makes things less fiddly)
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// Peeking stops if none of the devices who started peeking have been
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// /syncing for a while, or if everyone who was peeking calls /leave
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// (or /unpeek with a server_name param? or DELETE /peek?)
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// on the peeked room.
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return util.JSONResponse{
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Code: http.StatusOK,
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// TODO: Put the response struct somewhere internal.
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JSON: struct {
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RoomID string `json:"room_id"`
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}{roomID},
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}
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}
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func UnpeekRoomByID(
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req *http.Request,
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device *api.Device,
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rsAPI roomserverAPI.ClientRoomserverAPI,
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roomID string,
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) util.JSONResponse {
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err := rsAPI.PerformUnpeek(req.Context(), roomID, device.UserID, device.ID)
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switch e := err.(type) {
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case roomserverAPI.ErrInvalidID:
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: spec.Unknown(e.Error()),
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}
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case nil:
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default:
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logrus.WithError(err).WithField("roomID", roomID).Errorf("Failed to un-peek room")
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return util.JSONResponse{
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Code: http.StatusInternalServerError,
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JSON: spec.InternalServerError{},
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}
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}
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return util.JSONResponse{
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Code: http.StatusOK,
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JSON: struct{}{},
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}
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}
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