mirror of
https://github.com/matrix-org/dendrite
synced 2024-10-31 21:19:04 +01:00
164 lines
5 KiB
Go
164 lines
5 KiB
Go
// Copyright 2022 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 users
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"encoding/json"
|
|
"fmt"
|
|
"net/http"
|
|
"sync"
|
|
"time"
|
|
|
|
"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
|
|
clienthttputil "github.com/matrix-org/dendrite/clientapi/httputil"
|
|
"github.com/matrix-org/dendrite/cmd/dendrite-demo-pinecone/defaults"
|
|
userapi "github.com/matrix-org/dendrite/userapi/api"
|
|
"github.com/matrix-org/gomatrixserverlib/fclient"
|
|
"github.com/matrix-org/gomatrixserverlib/spec"
|
|
"github.com/matrix-org/util"
|
|
|
|
pineconeRouter "github.com/matrix-org/pinecone/router"
|
|
pineconeSessions "github.com/matrix-org/pinecone/sessions"
|
|
)
|
|
|
|
type PineconeUserProvider struct {
|
|
r *pineconeRouter.Router
|
|
s *pineconeSessions.Sessions
|
|
userAPI userapi.QuerySearchProfilesAPI
|
|
fedClient fclient.FederationClient
|
|
}
|
|
|
|
const PublicURL = "/_matrix/p2p/profiles"
|
|
|
|
func NewPineconeUserProvider(
|
|
r *pineconeRouter.Router,
|
|
s *pineconeSessions.Sessions,
|
|
userAPI userapi.QuerySearchProfilesAPI,
|
|
fedClient fclient.FederationClient,
|
|
) *PineconeUserProvider {
|
|
p := &PineconeUserProvider{
|
|
r: r,
|
|
s: s,
|
|
userAPI: userAPI,
|
|
fedClient: fedClient,
|
|
}
|
|
return p
|
|
}
|
|
|
|
func (p *PineconeUserProvider) FederatedUserProfiles(w http.ResponseWriter, r *http.Request) {
|
|
req := &userapi.QuerySearchProfilesRequest{Limit: 25}
|
|
res := &userapi.QuerySearchProfilesResponse{}
|
|
if err := clienthttputil.UnmarshalJSONRequest(r, &req); err != nil {
|
|
w.WriteHeader(400)
|
|
return
|
|
}
|
|
if err := p.userAPI.QuerySearchProfiles(r.Context(), req, res); err != nil {
|
|
w.WriteHeader(400)
|
|
return
|
|
}
|
|
j, err := json.Marshal(res)
|
|
if err != nil {
|
|
w.WriteHeader(400)
|
|
return
|
|
}
|
|
w.WriteHeader(200)
|
|
_, _ = w.Write(j)
|
|
}
|
|
|
|
func (p *PineconeUserProvider) QuerySearchProfiles(ctx context.Context, req *userapi.QuerySearchProfilesRequest, res *userapi.QuerySearchProfilesResponse) error {
|
|
list := map[spec.ServerName]struct{}{}
|
|
for k := range defaults.DefaultServerNames {
|
|
list[k] = struct{}{}
|
|
}
|
|
for _, k := range p.r.Peers() {
|
|
list[spec.ServerName(k.PublicKey)] = struct{}{}
|
|
}
|
|
res.Profiles = bulkFetchUserDirectoriesFromServers(context.Background(), req, p.fedClient, list)
|
|
return nil
|
|
}
|
|
|
|
// bulkFetchUserDirectoriesFromServers fetches users from the list of homeservers.
|
|
// Returns a list of user profiles.
|
|
func bulkFetchUserDirectoriesFromServers(
|
|
ctx context.Context, req *userapi.QuerySearchProfilesRequest,
|
|
fedClient fclient.FederationClient,
|
|
homeservers map[spec.ServerName]struct{},
|
|
) (profiles []authtypes.Profile) {
|
|
jsonBody, err := json.Marshal(req)
|
|
if err != nil {
|
|
return nil
|
|
}
|
|
|
|
limit := 200
|
|
// follow pipeline semantics, see https://blog.golang.org/pipelines for more info.
|
|
// goroutines send rooms to this channel
|
|
profileCh := make(chan authtypes.Profile, int(limit))
|
|
// signalling channel to tell goroutines to stop sending rooms and quit
|
|
done := make(chan bool)
|
|
// signalling to say when we can close the room channel
|
|
var wg sync.WaitGroup
|
|
wg.Add(len(homeservers))
|
|
// concurrently query for public rooms
|
|
reqctx, reqcancel := context.WithTimeout(ctx, time.Second*5)
|
|
for hs := range homeservers {
|
|
go func(homeserverDomain spec.ServerName) {
|
|
defer wg.Done()
|
|
util.GetLogger(reqctx).WithField("hs", homeserverDomain).Info("Querying HS for users")
|
|
|
|
jsonBodyReader := bytes.NewBuffer(jsonBody)
|
|
httpReq, err := http.NewRequestWithContext(ctx, "GET", fmt.Sprintf("matrix://%s%s", homeserverDomain, PublicURL), jsonBodyReader)
|
|
if err != nil {
|
|
util.GetLogger(reqctx).WithError(err).WithField("hs", homeserverDomain).Warn(
|
|
"bulkFetchUserDirectoriesFromServers: failed to create request",
|
|
)
|
|
}
|
|
res := &userapi.QuerySearchProfilesResponse{}
|
|
if err = fedClient.DoRequestAndParseResponse(reqctx, httpReq, res); err != nil {
|
|
util.GetLogger(reqctx).WithError(err).WithField("hs", homeserverDomain).Warn(
|
|
"bulkFetchUserDirectoriesFromServers: failed to query hs",
|
|
)
|
|
return
|
|
}
|
|
for _, profile := range res.Profiles {
|
|
profile.ServerName = string(homeserverDomain)
|
|
// atomically send a room or stop
|
|
select {
|
|
case profileCh <- profile:
|
|
case <-done:
|
|
case <-reqctx.Done():
|
|
util.GetLogger(reqctx).WithError(err).WithField("hs", homeserverDomain).Info("Interrupted whilst sending profiles")
|
|
return
|
|
}
|
|
}
|
|
}(hs)
|
|
}
|
|
|
|
select {
|
|
case <-time.After(5 * time.Second):
|
|
default:
|
|
wg.Wait()
|
|
}
|
|
reqcancel()
|
|
close(done)
|
|
close(profileCh)
|
|
|
|
for profile := range profileCh {
|
|
profiles = append(profiles, profile)
|
|
}
|
|
|
|
return profiles
|
|
}
|