mirror of
https://github.com/matrix-org/dendrite
synced 2024-12-14 12:33:50 +01:00
7913759921
* Remove QueryBulkStateContent from current state server Expected fail due to db impl not existing * Implement query bulk state content * Fix up rejecting invites over federation * Fix bulk content marshalling
178 lines
5.9 KiB
Go
178 lines
5.9 KiB
Go
package routing
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import (
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"context"
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"net/http"
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"strconv"
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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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roomserverAPI "github.com/matrix-org/dendrite/roomserver/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 PublicRoomReq struct {
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Since string `json:"since,omitempty"`
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Limit int16 `json:"limit,omitempty"`
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Filter filter `json:"filter,omitempty"`
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}
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type filter struct {
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SearchTerms string `json:"generic_search_term,omitempty"`
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}
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// GetPostPublicRooms implements GET and POST /publicRooms
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func GetPostPublicRooms(req *http.Request, rsAPI roomserverAPI.RoomserverInternalAPI) util.JSONResponse {
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var request PublicRoomReq
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if fillErr := fillPublicRoomsReq(req, &request); fillErr != nil {
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return *fillErr
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}
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if request.Limit == 0 {
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request.Limit = 50
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}
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response, err := publicRooms(req.Context(), request, rsAPI)
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if err != nil {
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return jsonerror.InternalServerError()
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}
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return util.JSONResponse{
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Code: http.StatusOK,
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JSON: response,
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}
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}
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func publicRooms(
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ctx context.Context, request PublicRoomReq, rsAPI roomserverAPI.RoomserverInternalAPI,
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) (*gomatrixserverlib.RespPublicRooms, error) {
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var response gomatrixserverlib.RespPublicRooms
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var limit int16
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var offset int64
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limit = request.Limit
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offset, err := strconv.ParseInt(request.Since, 10, 64)
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// ParseInt returns 0 and an error when trying to parse an empty string
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// In that case, we want to assign 0 so we ignore the error
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if err != nil && len(request.Since) > 0 {
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util.GetLogger(ctx).WithError(err).Error("strconv.ParseInt failed")
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return nil, err
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}
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var queryRes roomserverAPI.QueryPublishedRoomsResponse
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err = rsAPI.QueryPublishedRooms(ctx, &roomserverAPI.QueryPublishedRoomsRequest{}, &queryRes)
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if err != nil {
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util.GetLogger(ctx).WithError(err).Error("QueryPublishedRooms failed")
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return nil, err
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}
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response.TotalRoomCountEstimate = len(queryRes.RoomIDs)
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if offset > 0 {
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response.PrevBatch = strconv.Itoa(int(offset) - 1)
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}
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nextIndex := int(offset) + int(limit)
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if response.TotalRoomCountEstimate > nextIndex {
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response.NextBatch = strconv.Itoa(nextIndex)
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}
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if offset < 0 {
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offset = 0
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}
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if nextIndex > len(queryRes.RoomIDs) {
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nextIndex = len(queryRes.RoomIDs)
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}
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roomIDs := queryRes.RoomIDs[offset:nextIndex]
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response.Chunk, err = fillInRooms(ctx, roomIDs, rsAPI)
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return &response, err
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}
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// fillPublicRoomsReq fills the Limit, Since and Filter attributes of a GET or POST request
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// on /publicRooms by parsing the incoming HTTP request
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// Filter is only filled for POST requests
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func fillPublicRoomsReq(httpReq *http.Request, request *PublicRoomReq) *util.JSONResponse {
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if httpReq.Method == http.MethodGet {
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limit, err := strconv.Atoi(httpReq.FormValue("limit"))
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// Atoi returns 0 and an error when trying to parse an empty string
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// In that case, we want to assign 0 so we ignore the error
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if err != nil && len(httpReq.FormValue("limit")) > 0 {
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util.GetLogger(httpReq.Context()).WithError(err).Error("strconv.Atoi failed")
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reqErr := jsonerror.InternalServerError()
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return &reqErr
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}
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request.Limit = int16(limit)
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request.Since = httpReq.FormValue("since")
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return nil
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} else if httpReq.Method == http.MethodPost {
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return httputil.UnmarshalJSONRequest(httpReq, request)
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}
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return &util.JSONResponse{
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Code: http.StatusMethodNotAllowed,
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JSON: jsonerror.NotFound("Bad method"),
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}
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}
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// due to lots of switches
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// nolint:gocyclo
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func fillInRooms(ctx context.Context, roomIDs []string, rsAPI roomserverAPI.RoomserverInternalAPI) ([]gomatrixserverlib.PublicRoom, error) {
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avatarTuple := gomatrixserverlib.StateKeyTuple{EventType: "m.room.avatar", StateKey: ""}
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nameTuple := gomatrixserverlib.StateKeyTuple{EventType: "m.room.name", StateKey: ""}
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canonicalTuple := gomatrixserverlib.StateKeyTuple{EventType: gomatrixserverlib.MRoomCanonicalAlias, StateKey: ""}
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topicTuple := gomatrixserverlib.StateKeyTuple{EventType: "m.room.topic", StateKey: ""}
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guestTuple := gomatrixserverlib.StateKeyTuple{EventType: "m.room.guest_access", StateKey: ""}
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visibilityTuple := gomatrixserverlib.StateKeyTuple{EventType: gomatrixserverlib.MRoomHistoryVisibility, StateKey: ""}
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joinRuleTuple := gomatrixserverlib.StateKeyTuple{EventType: gomatrixserverlib.MRoomJoinRules, StateKey: ""}
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var stateRes roomserverAPI.QueryBulkStateContentResponse
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err := rsAPI.QueryBulkStateContent(ctx, &roomserverAPI.QueryBulkStateContentRequest{
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RoomIDs: roomIDs,
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AllowWildcards: true,
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StateTuples: []gomatrixserverlib.StateKeyTuple{
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nameTuple, canonicalTuple, topicTuple, guestTuple, visibilityTuple, joinRuleTuple, avatarTuple,
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{EventType: gomatrixserverlib.MRoomMember, StateKey: "*"},
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},
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}, &stateRes)
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if err != nil {
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util.GetLogger(ctx).WithError(err).Error("QueryBulkStateContent failed")
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return nil, err
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}
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util.GetLogger(ctx).Infof("room IDs: %+v", roomIDs)
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util.GetLogger(ctx).Infof("State res: %+v", stateRes.Rooms)
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chunk := make([]gomatrixserverlib.PublicRoom, len(roomIDs))
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i := 0
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for roomID, data := range stateRes.Rooms {
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pub := gomatrixserverlib.PublicRoom{
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RoomID: roomID,
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}
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joinCount := 0
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var joinRule, guestAccess string
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for tuple, contentVal := range data {
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if tuple.EventType == gomatrixserverlib.MRoomMember && contentVal == "join" {
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joinCount++
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continue
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}
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switch tuple {
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case avatarTuple:
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pub.AvatarURL = contentVal
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case nameTuple:
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pub.Name = contentVal
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case topicTuple:
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pub.Topic = contentVal
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case canonicalTuple:
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pub.CanonicalAlias = contentVal
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case visibilityTuple:
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pub.WorldReadable = contentVal == "world_readable"
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// need both of these to determine whether guests can join
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case joinRuleTuple:
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joinRule = contentVal
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case guestTuple:
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guestAccess = contentVal
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}
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}
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if joinRule == gomatrixserverlib.Public && guestAccess == "can_join" {
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pub.GuestCanJoin = true
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}
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pub.JoinedMembersCount = joinCount
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chunk[i] = pub
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i++
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}
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return chunk, nil
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}
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