mirror of
https://github.com/matrix-org/dendrite
synced 2024-11-18 15:50:52 +01:00
ea9df46c70
* Create redaction events and apply checks (but do not send them) * Send redactions to the roomserver * Linting * Slightly better wording
93 lines
3.2 KiB
Go
93 lines
3.2 KiB
Go
package api
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import (
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"context"
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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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// GetEvent returns the current state event in the room or nil.
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func GetEvent(ctx context.Context, stateAPI CurrentStateInternalAPI, roomID string, tuple gomatrixserverlib.StateKeyTuple) *gomatrixserverlib.HeaderedEvent {
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var res QueryCurrentStateResponse
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err := stateAPI.QueryCurrentState(ctx, &QueryCurrentStateRequest{
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RoomID: roomID,
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StateTuples: []gomatrixserverlib.StateKeyTuple{tuple},
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}, &res)
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if err != nil {
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util.GetLogger(ctx).WithError(err).Error("Failed to QueryCurrentState")
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return nil
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}
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ev, ok := res.StateEvents[tuple]
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if ok {
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return ev
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}
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return nil
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}
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// PopulatePublicRooms extracts PublicRoom information for all the provided room IDs. The IDs are not checked to see if they are visible in the
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// published room directory.
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// due to lots of switches
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// nolint:gocyclo
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func PopulatePublicRooms(ctx context.Context, roomIDs []string, stateAPI CurrentStateInternalAPI) ([]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 QueryBulkStateContentResponse
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err := stateAPI.QueryBulkStateContent(ctx, &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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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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