dendrite/federationsender/query/query.go
2019-08-24 01:25:10 +08:00

91 lines
3 KiB
Go

package query
import (
"context"
"encoding/json"
"net/http"
"github.com/matrix-org/dendrite/common"
"github.com/matrix-org/dendrite/federationsender/api"
"github.com/matrix-org/dendrite/federationsender/types"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/util"
)
// FederationSenderQueryDatabase has the APIs needed to implement the query API.
type FederationSenderQueryDatabase interface {
GetJoinedHosts(
ctx context.Context, roomID string,
) ([]types.JoinedHost, error)
}
// FederationSenderQueryAPI is an implementation of api.FederationSenderQueryAPI
type FederationSenderQueryAPI struct {
DB FederationSenderQueryDatabase
}
// QueryJoinedHostsInRoom implements api.FederationSenderQueryAPI
func (f *FederationSenderQueryAPI) QueryJoinedHostsInRoom(
ctx context.Context,
request *api.QueryJoinedHostsInRoomRequest,
response *api.QueryJoinedHostsInRoomResponse,
) (err error) {
response.JoinedHosts, err = f.DB.GetJoinedHosts(ctx, request.RoomID)
return
}
// QueryJoinedHostServerNamesInRoom implements api.FederationSenderQueryAPI
func (f *FederationSenderQueryAPI) QueryJoinedHostServerNamesInRoom(
ctx context.Context,
request *api.QueryJoinedHostServerNamesInRoomRequest,
response *api.QueryJoinedHostServerNamesInRoomResponse,
) (err error) {
joinedHosts, err := f.DB.GetJoinedHosts(ctx, request.RoomID)
if err != nil {
return
}
serverNamesSet := make(map[gomatrixserverlib.ServerName]bool, len(joinedHosts))
for _, host := range joinedHosts {
serverNamesSet[host.ServerName] = true
}
response.ServerNames = make([]gomatrixserverlib.ServerName, 0, len(serverNamesSet))
for name := range serverNamesSet {
response.ServerNames = append(response.ServerNames, name)
}
return
}
// SetupHTTP adds the FederationSenderQueryAPI handlers to the http.ServeMux.
func (f *FederationSenderQueryAPI) SetupHTTP(servMux *http.ServeMux) {
servMux.Handle(
api.FederationSenderQueryJoinedHostsInRoomPath,
common.MakeInternalAPI("QueryJoinedHostsInRoom", func(req *http.Request) util.JSONResponse {
var request api.QueryJoinedHostsInRoomRequest
var response api.QueryJoinedHostsInRoomResponse
if err := json.NewDecoder(req.Body).Decode(&request); err != nil {
return util.ErrorResponse(err)
}
if err := f.QueryJoinedHostsInRoom(req.Context(), &request, &response); err != nil {
return util.ErrorResponse(err)
}
return util.JSONResponse{Code: http.StatusOK, JSON: &response}
}),
)
servMux.Handle(
api.FederationSenderQueryJoinedHostServerNamesInRoomPath,
common.MakeInternalAPI("QueryJoinedHostServerNamesInRoom", func(req *http.Request) util.JSONResponse {
var request api.QueryJoinedHostServerNamesInRoomRequest
var response api.QueryJoinedHostServerNamesInRoomResponse
if err := json.NewDecoder(req.Body).Decode(&request); err != nil {
return util.ErrorResponse(err)
}
if err := f.QueryJoinedHostServerNamesInRoom(req.Context(), &request, &response); err != nil {
return util.ErrorResponse(err)
}
return util.JSONResponse{Code: http.StatusOK, JSON: &response}
}),
)
}