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// Copyright 2020 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 (
"context"
"database/sql"
"fmt"
"net/http"
"strings"
"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
"github.com/matrix-org/dendrite/roomserver/api"
userapi "github.com/matrix-org/dendrite/userapi/api"
"github.com/matrix-org/gomatrix"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/util"
)
type UserDirectoryResponse struct {
Results []authtypes.FullyQualifiedProfile `json:"results"`
Limited bool `json:"limited"`
}
func SearchUserDirectory(
ctx context.Context,
device *userapi.Device,
rsAPI api.ClientRoomserverAPI,
provider userapi.QuerySearchProfilesAPI,
searchString string,
limit int,
federation *gomatrixserverlib.FederationClient,
localServerName gomatrixserverlib.ServerName,
) util.JSONResponse {
if limit < 10 {
limit = 10
}
results := map[string]authtypes.FullyQualifiedProfile{}
response := &UserDirectoryResponse{
Results: []authtypes.FullyQualifiedProfile{},
Limited: false,
}
// Get users we share a room with
knownUsersReq := &api.QueryKnownUsersRequest{
UserID: device.UserID,
Limit: limit,
}
knownUsersRes := &api.QueryKnownUsersResponse{}
if err := rsAPI.QueryKnownUsers(ctx, knownUsersReq, knownUsersRes); err != nil && err != sql.ErrNoRows {
return util.ErrorResponse(fmt.Errorf("rsAPI.QueryKnownUsers: %w", err))
}
knownUsersLoop:
for _, profile := range knownUsersRes.Users {
if len(results) == limit {
response.Limited = true
break
}
userID := profile.UserID
// get the full profile of the local user
localpart, serverName, _ := gomatrixserverlib.SplitID('@', userID)
if serverName == localServerName {
userReq := &userapi.QuerySearchProfilesRequest{
SearchString: localpart,
Limit: limit,
}
userRes := &userapi.QuerySearchProfilesResponse{}
if err := provider.QuerySearchProfiles(ctx, userReq, userRes); err != nil {
return util.ErrorResponse(fmt.Errorf("userAPI.QuerySearchProfiles: %w", err))
}
for _, p := range userRes.Profiles {
if strings.Contains(p.DisplayName, searchString) ||
strings.Contains(p.Localpart, searchString) {
profile.DisplayName = p.DisplayName
profile.AvatarURL = p.AvatarURL
results[userID] = profile
if len(results) == limit {
response.Limited = true
break knownUsersLoop
}
}
}
} else {
// If the username already contains the search string, don't bother hitting federation.
// This will result in missing avatars and displaynames, but saves the federation roundtrip.
if strings.Contains(localpart, searchString) {
results[userID] = profile
if len(results) == limit {
response.Limited = true
break knownUsersLoop
}
continue
}
// TODO: We should probably cache/store this
fedProfile, fedErr := federation.LookupProfile(ctx, serverName, userID, "")
if fedErr != nil {
if x, ok := fedErr.(gomatrix.HTTPError); ok {
if x.Code == http.StatusNotFound {
continue
}
}
}
if strings.Contains(fedProfile.DisplayName, searchString) {
profile.DisplayName = fedProfile.DisplayName
profile.AvatarURL = fedProfile.AvatarURL
results[userID] = profile
if len(results) == limit {
response.Limited = true
break knownUsersLoop
}
}
}
}
for _, result := range results {
response.Results = append(response.Results, result)
}
return util.JSONResponse{
Code: 200,
JSON: response,
}
}
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