1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
// Copyright 2017 New Vector Ltd
//
// 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 (
"fmt"
"net/http"
"github.com/matrix-org/dendrite/clientapi/httputil"
"github.com/matrix-org/dendrite/clientapi/jsonerror"
"github.com/matrix-org/dendrite/common/config"
federationSenderAPI "github.com/matrix-org/dendrite/federationsender/api"
roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/gomatrix"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/util"
)
// RoomAliasToID converts the queried alias into a room ID and returns it
func RoomAliasToID(
httpReq *http.Request,
federation *gomatrixserverlib.FederationClient,
cfg config.Dendrite,
aliasAPI roomserverAPI.RoomserverAliasAPI,
senderAPI federationSenderAPI.FederationSenderQueryAPI,
) util.JSONResponse {
roomAlias := httpReq.FormValue("room_alias")
if roomAlias == "" {
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: jsonerror.BadJSON("Must supply room alias parameter."),
}
}
_, domain, err := gomatrixserverlib.SplitID('#', roomAlias)
if err != nil {
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: jsonerror.BadJSON("Room alias must be in the form '#localpart:domain'"),
}
}
var resp gomatrixserverlib.RespDirectory
if domain == cfg.Matrix.ServerName {
queryReq := roomserverAPI.GetRoomIDForAliasRequest{Alias: roomAlias}
var queryRes roomserverAPI.GetRoomIDForAliasResponse
if err = aliasAPI.GetRoomIDForAlias(httpReq.Context(), &queryReq, &queryRes); err != nil {
return httputil.LogThenError(httpReq, err)
}
if queryRes.RoomID != "" {
serverQueryReq := federationSenderAPI.QueryJoinedHostServerNamesInRoomRequest{RoomID: queryRes.RoomID}
var serverQueryRes federationSenderAPI.QueryJoinedHostServerNamesInRoomResponse
if err = senderAPI.QueryJoinedHostServerNamesInRoom(httpReq.Context(), &serverQueryReq, &serverQueryRes); err != nil {
return httputil.LogThenError(httpReq, err)
}
resp = gomatrixserverlib.RespDirectory{
RoomID: queryRes.RoomID,
Servers: serverQueryRes.ServerNames,
}
} else {
// If no alias was found, return an error
return util.JSONResponse{
Code: http.StatusNotFound,
JSON: jsonerror.NotFound(fmt.Sprintf("Room alias %s not found", roomAlias)),
}
}
} else {
resp, err = federation.LookupRoomAlias(httpReq.Context(), domain, roomAlias)
if err != nil {
switch x := err.(type) {
case gomatrix.HTTPError:
if x.Code == http.StatusNotFound {
return util.JSONResponse{
Code: http.StatusNotFound,
JSON: jsonerror.NotFound("Room alias not found"),
}
}
}
// TODO: Return 502 if the remote server errored.
// TODO: Return 504 if the remote server timed out.
return httputil.LogThenError(httpReq, err)
}
}
return util.JSONResponse{
Code: http.StatusOK,
JSON: resp,
}
}
|
