mirror of
https://github.com/matrix-org/dendrite
synced 2024-09-08 12:17:16 +02:00
* Generic-based internal HTTP API (tested out on a few endpoints in the federation API)
* Add `PerformInvite`
* More tweaks
* Fix metric name
* Fix LookupStateIDs
* Lots of changes to clients
* Some serverside stuff
* Some error handling
* Use paths as metric names
* Revert "Use paths as metric names"
This reverts commit a9323a6a34
.
* Namespace metric names
* Remove duplicate entry
* Remove another duplicate entry
* Tweak error handling
* Some more tweaks
* Update error behaviour
* Some more error tweaking
* Fix API path for `PerformDeleteKeys`
* Fix another path
* Tweak federation client proxying
* Fix another path
* Don't return typed nils
* Some more tweaks, not that it makes any difference
* Tweak federation client proxying
* Maybe fix the key backup test
320 lines
9.8 KiB
Go
320 lines
9.8 KiB
Go
// Copyright 2020 The Matrix.org Foundation C.I.C.
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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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package routing
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import (
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"fmt"
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"net/http"
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"github.com/matrix-org/dendrite/clientapi/httputil"
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"github.com/matrix-org/dendrite/clientapi/jsonerror"
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federationAPI "github.com/matrix-org/dendrite/federationapi/api"
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roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
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"github.com/matrix-org/dendrite/setup/config"
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userapi "github.com/matrix-org/dendrite/userapi/api"
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"github.com/matrix-org/gomatrixserverlib"
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"github.com/matrix-org/util"
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)
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type roomDirectoryResponse struct {
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RoomID string `json:"room_id"`
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Servers []string `json:"servers"`
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}
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func (r *roomDirectoryResponse) fillServers(servers []gomatrixserverlib.ServerName) {
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r.Servers = make([]string, len(servers))
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for i, s := range servers {
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r.Servers[i] = string(s)
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}
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}
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// DirectoryRoom looks up a room alias
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func DirectoryRoom(
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req *http.Request,
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roomAlias string,
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federation *gomatrixserverlib.FederationClient,
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cfg *config.ClientAPI,
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rsAPI roomserverAPI.ClientRoomserverAPI,
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fedSenderAPI federationAPI.ClientFederationAPI,
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) util.JSONResponse {
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_, domain, err := gomatrixserverlib.SplitID('#', roomAlias)
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if err != nil {
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: jsonerror.BadJSON("Room alias must be in the form '#localpart:domain'"),
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}
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}
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var res roomDirectoryResponse
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// Query the roomserver API to check if the alias exists locally.
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queryReq := &roomserverAPI.GetRoomIDForAliasRequest{
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Alias: roomAlias,
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IncludeAppservices: true,
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}
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queryRes := &roomserverAPI.GetRoomIDForAliasResponse{}
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if err = rsAPI.GetRoomIDForAlias(req.Context(), queryReq, queryRes); err != nil {
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util.GetLogger(req.Context()).WithError(err).Error("rsAPI.GetRoomIDForAlias failed")
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return jsonerror.InternalServerError()
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}
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res.RoomID = queryRes.RoomID
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if res.RoomID == "" {
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// If we don't know it locally, do a federation query.
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// But don't send the query to ourselves.
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if domain != cfg.Matrix.ServerName {
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fedRes, fedErr := federation.LookupRoomAlias(req.Context(), domain, roomAlias)
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if fedErr != nil {
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// TODO: Return 502 if the remote server errored.
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// TODO: Return 504 if the remote server timed out.
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util.GetLogger(req.Context()).WithError(fedErr).Error("federation.LookupRoomAlias failed")
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return jsonerror.InternalServerError()
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}
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res.RoomID = fedRes.RoomID
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res.fillServers(fedRes.Servers)
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}
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if res.RoomID == "" {
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return util.JSONResponse{
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Code: http.StatusNotFound,
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JSON: jsonerror.NotFound(
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fmt.Sprintf("Room alias %s not found", roomAlias),
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),
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}
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}
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} else {
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joinedHostsReq := federationAPI.QueryJoinedHostServerNamesInRoomRequest{RoomID: res.RoomID}
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var joinedHostsRes federationAPI.QueryJoinedHostServerNamesInRoomResponse
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if err = fedSenderAPI.QueryJoinedHostServerNamesInRoom(req.Context(), &joinedHostsReq, &joinedHostsRes); err != nil {
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util.GetLogger(req.Context()).WithError(err).Error("fedSenderAPI.QueryJoinedHostServerNamesInRoom failed")
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return jsonerror.InternalServerError()
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}
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res.fillServers(joinedHostsRes.ServerNames)
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}
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return util.JSONResponse{
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Code: http.StatusOK,
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JSON: res,
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}
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}
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// SetLocalAlias implements PUT /directory/room/{roomAlias}
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func SetLocalAlias(
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req *http.Request,
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device *userapi.Device,
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alias string,
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cfg *config.ClientAPI,
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rsAPI roomserverAPI.ClientRoomserverAPI,
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) util.JSONResponse {
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_, domain, err := gomatrixserverlib.SplitID('#', alias)
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if err != nil {
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: jsonerror.BadJSON("Room alias must be in the form '#localpart:domain'"),
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}
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}
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if domain != cfg.Matrix.ServerName {
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return util.JSONResponse{
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Code: http.StatusForbidden,
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JSON: jsonerror.Forbidden("Alias must be on local homeserver"),
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}
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}
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// Check that the alias does not fall within an exclusive namespace of an
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// application service
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// TODO: This code should eventually be refactored with:
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// 1. The new method for checking for things matching an AS's namespace
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// 2. Using an overall Regex object for all AS's just like we did for usernames
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reqUserID, _, err := gomatrixserverlib.SplitID('@', device.UserID)
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if err != nil {
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: jsonerror.BadJSON("User ID must be in the form '@localpart:domain'"),
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}
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}
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for _, appservice := range cfg.Derived.ApplicationServices {
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// Don't prevent AS from creating aliases in its own namespace
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// Note that Dendrite uses SenderLocalpart as UserID for AS users
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if reqUserID != appservice.SenderLocalpart {
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if aliasNamespaces, ok := appservice.NamespaceMap["aliases"]; ok {
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for _, namespace := range aliasNamespaces {
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if namespace.Exclusive && namespace.RegexpObject.MatchString(alias) {
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: jsonerror.ASExclusive("Alias is reserved by an application service"),
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}
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}
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}
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}
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}
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}
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var r struct {
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RoomID string `json:"room_id"`
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}
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if resErr := httputil.UnmarshalJSONRequest(req, &r); resErr != nil {
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return *resErr
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}
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queryReq := roomserverAPI.SetRoomAliasRequest{
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UserID: device.UserID,
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RoomID: r.RoomID,
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Alias: alias,
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}
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var queryRes roomserverAPI.SetRoomAliasResponse
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if err := rsAPI.SetRoomAlias(req.Context(), &queryReq, &queryRes); err != nil {
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util.GetLogger(req.Context()).WithError(err).Error("aliasAPI.SetRoomAlias failed")
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return jsonerror.InternalServerError()
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}
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if queryRes.AliasExists {
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return util.JSONResponse{
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Code: http.StatusConflict,
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JSON: jsonerror.Unknown("The alias " + alias + " already exists."),
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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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// RemoveLocalAlias implements DELETE /directory/room/{roomAlias}
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func RemoveLocalAlias(
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req *http.Request,
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device *userapi.Device,
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alias string,
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rsAPI roomserverAPI.ClientRoomserverAPI,
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) util.JSONResponse {
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queryReq := roomserverAPI.RemoveRoomAliasRequest{
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Alias: alias,
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UserID: device.UserID,
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}
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var queryRes roomserverAPI.RemoveRoomAliasResponse
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if err := rsAPI.RemoveRoomAlias(req.Context(), &queryReq, &queryRes); err != nil {
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util.GetLogger(req.Context()).WithError(err).Error("aliasAPI.RemoveRoomAlias failed")
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return jsonerror.InternalServerError()
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}
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if !queryRes.Found {
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return util.JSONResponse{
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Code: http.StatusNotFound,
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JSON: jsonerror.NotFound("The alias does not exist."),
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}
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}
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if !queryRes.Removed {
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return util.JSONResponse{
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Code: http.StatusForbidden,
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JSON: jsonerror.Forbidden("You do not have permission to remove this alias."),
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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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type roomVisibility struct {
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Visibility string `json:"visibility"`
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}
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// GetVisibility implements GET /directory/list/room/{roomID}
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func GetVisibility(
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req *http.Request, rsAPI roomserverAPI.ClientRoomserverAPI,
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roomID string,
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) util.JSONResponse {
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var res roomserverAPI.QueryPublishedRoomsResponse
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err := rsAPI.QueryPublishedRooms(req.Context(), &roomserverAPI.QueryPublishedRoomsRequest{
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RoomID: roomID,
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}, &res)
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if err != nil {
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util.GetLogger(req.Context()).WithError(err).Error("QueryPublishedRooms failed")
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return jsonerror.InternalServerError()
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}
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var v roomVisibility
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if len(res.RoomIDs) == 1 {
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v.Visibility = gomatrixserverlib.Public
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} else {
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v.Visibility = "private"
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}
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return util.JSONResponse{
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Code: http.StatusOK,
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JSON: v,
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}
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}
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// SetVisibility implements PUT /directory/list/room/{roomID}
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// TODO: Allow admin users to edit the room visibility
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func SetVisibility(
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req *http.Request, rsAPI roomserverAPI.ClientRoomserverAPI, dev *userapi.Device,
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roomID string,
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) util.JSONResponse {
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resErr := checkMemberInRoom(req.Context(), rsAPI, dev.UserID, roomID)
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if resErr != nil {
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return *resErr
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}
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queryEventsReq := roomserverAPI.QueryLatestEventsAndStateRequest{
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RoomID: roomID,
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StateToFetch: []gomatrixserverlib.StateKeyTuple{{
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EventType: gomatrixserverlib.MRoomPowerLevels,
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StateKey: "",
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}},
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}
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var queryEventsRes roomserverAPI.QueryLatestEventsAndStateResponse
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err := rsAPI.QueryLatestEventsAndState(req.Context(), &queryEventsReq, &queryEventsRes)
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if err != nil || len(queryEventsRes.StateEvents) == 0 {
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util.GetLogger(req.Context()).WithError(err).Error("could not query events from room")
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return jsonerror.InternalServerError()
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}
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// NOTSPEC: Check if the user's power is greater than power required to change m.room.canonical_alias event
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power, _ := gomatrixserverlib.NewPowerLevelContentFromEvent(queryEventsRes.StateEvents[0].Event)
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if power.UserLevel(dev.UserID) < power.EventLevel(gomatrixserverlib.MRoomCanonicalAlias, true) {
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return util.JSONResponse{
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Code: http.StatusForbidden,
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JSON: jsonerror.Forbidden("userID doesn't have power level to change visibility"),
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}
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}
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var v roomVisibility
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if reqErr := httputil.UnmarshalJSONRequest(req, &v); reqErr != nil {
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return *reqErr
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}
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var publishRes roomserverAPI.PerformPublishResponse
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if err := rsAPI.PerformPublish(req.Context(), &roomserverAPI.PerformPublishRequest{
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RoomID: roomID,
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Visibility: v.Visibility,
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}, &publishRes); err != nil {
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return jsonerror.InternalAPIError(req.Context(), err)
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}
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if publishRes.Error != nil {
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util.GetLogger(req.Context()).WithError(publishRes.Error).Error("PerformPublish failed")
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return publishRes.Error.JSONResponse()
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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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