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Move
/joined_members back to the clientapi/roomserver (#3312)
Partly reverts #2827 by moving `/joined_members` back to the clientAPI/roomserver
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,139 @@ | ||
| // Copyright 2024 The Matrix.org Foundation C.I.C. | ||
| // | ||
| // 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. | ||
|
|
||
| package routing | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "net/http" | ||
|
|
||
| "github.com/matrix-org/dendrite/roomserver/api" | ||
| userapi "github.com/matrix-org/dendrite/userapi/api" | ||
| "github.com/matrix-org/gomatrixserverlib/spec" | ||
| "github.com/matrix-org/util" | ||
| ) | ||
|
|
||
| // https://matrix.org/docs/spec/client_server/r0.6.0#get-matrix-client-r0-rooms-roomid-joined-members | ||
| type getJoinedMembersResponse struct { | ||
| Joined map[string]joinedMember `json:"joined"` | ||
| } | ||
|
|
||
| type joinedMember struct { | ||
| DisplayName string `json:"display_name"` | ||
| AvatarURL string `json:"avatar_url"` | ||
| } | ||
|
|
||
| // The database stores 'displayname' without an underscore. | ||
| // Deserialize into this and then change to the actual API response | ||
| type databaseJoinedMember struct { | ||
| DisplayName string `json:"displayname"` | ||
| AvatarURL string `json:"avatar_url"` | ||
| } | ||
|
|
||
| // GetJoinedMembers implements | ||
| // | ||
| // GET /rooms/{roomId}/joined_members | ||
| func GetJoinedMembers( | ||
| req *http.Request, device *userapi.Device, roomID string, | ||
| rsAPI api.ClientRoomserverAPI, | ||
| ) util.JSONResponse { | ||
| // Validate the userID | ||
| userID, err := spec.NewUserID(device.UserID, true) | ||
| if err != nil { | ||
| return util.JSONResponse{ | ||
| Code: http.StatusBadRequest, | ||
| JSON: spec.InvalidParam("Device UserID is invalid"), | ||
| } | ||
| } | ||
|
|
||
| // Validate the roomID | ||
| validRoomID, err := spec.NewRoomID(roomID) | ||
| if err != nil { | ||
| return util.JSONResponse{ | ||
| Code: http.StatusBadRequest, | ||
| JSON: spec.InvalidParam("RoomID is invalid"), | ||
| } | ||
| } | ||
|
|
||
| // Get the current memberships for the requesting user to determine | ||
| // if they are allowed to query this endpoint. | ||
| queryReq := api.QueryMembershipForUserRequest{ | ||
| RoomID: validRoomID.String(), | ||
| UserID: *userID, | ||
| } | ||
|
|
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| var queryRes api.QueryMembershipForUserResponse | ||
| if queryErr := rsAPI.QueryMembershipForUser(req.Context(), &queryReq, &queryRes); queryErr != nil { | ||
| util.GetLogger(req.Context()).WithError(queryErr).Error("rsAPI.QueryMembershipsForRoom failed") | ||
| return util.JSONResponse{ | ||
| Code: http.StatusInternalServerError, | ||
| JSON: spec.InternalServerError{}, | ||
| } | ||
| } | ||
|
|
||
| if !queryRes.HasBeenInRoom { | ||
| return util.JSONResponse{ | ||
| Code: http.StatusForbidden, | ||
| JSON: spec.Forbidden("You aren't a member of the room and weren't previously a member of the room."), | ||
| } | ||
| } | ||
|
|
||
| if !queryRes.IsInRoom { | ||
| return util.JSONResponse{ | ||
| Code: http.StatusForbidden, | ||
| JSON: spec.Forbidden("You aren't a member of the room and weren't previously a member of the room."), | ||
| } | ||
| } | ||
|
|
||
| // Get the current membership events | ||
| var membershipsForRoomResp api.QueryMembershipsForRoomResponse | ||
| if err = rsAPI.QueryMembershipsForRoom(req.Context(), &api.QueryMembershipsForRoomRequest{ | ||
| JoinedOnly: true, | ||
| RoomID: validRoomID.String(), | ||
| }, &membershipsForRoomResp); err != nil { | ||
| util.GetLogger(req.Context()).WithError(err).Error("rsAPI.QueryEventsByID failed") | ||
| return util.JSONResponse{ | ||
| Code: http.StatusInternalServerError, | ||
| JSON: spec.InternalServerError{}, | ||
| } | ||
| } | ||
|
|
||
| var res getJoinedMembersResponse | ||
| res.Joined = make(map[string]joinedMember) | ||
| for _, ev := range membershipsForRoomResp.JoinEvents { | ||
| var content databaseJoinedMember | ||
| if err := json.Unmarshal(ev.Content, &content); err != nil { | ||
| util.GetLogger(req.Context()).WithError(err).Error("failed to unmarshal event content") | ||
| return util.JSONResponse{ | ||
| Code: http.StatusInternalServerError, | ||
| JSON: spec.InternalServerError{}, | ||
| } | ||
| } | ||
|
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| userID, err := rsAPI.QueryUserIDForSender(req.Context(), *validRoomID, spec.SenderID(ev.Sender)) | ||
| if err != nil || userID == nil { | ||
| util.GetLogger(req.Context()).WithError(err).Error("rsAPI.QueryUserIDForSender failed") | ||
| return util.JSONResponse{ | ||
| Code: http.StatusInternalServerError, | ||
| JSON: spec.InternalServerError{}, | ||
| } | ||
| } | ||
|
|
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| res.Joined[userID.String()] = joinedMember(content) | ||
| } | ||
| return util.JSONResponse{ | ||
| Code: http.StatusOK, | ||
| JSON: res, | ||
| } | ||
| } |
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