package api import ( "context" "crypto/ed25519" "github.com/matrix-org/gomatrixserverlib" "github.com/matrix-org/gomatrixserverlib/fclient" "github.com/matrix-org/gomatrixserverlib/spec" "github.com/matrix-org/util" asAPI "github.com/matrix-org/dendrite/appservice/api" fsAPI "github.com/matrix-org/dendrite/federationapi/api" "github.com/matrix-org/dendrite/roomserver/types" userapi "github.com/matrix-org/dendrite/userapi/api" ) // ErrInvalidID is an error returned if the userID is invalid type ErrInvalidID struct { Err error } func (e ErrInvalidID) Error() string { return e.Err.Error() } // ErrNotAllowed is an error returned if the user is not allowed // to execute some action (e.g. invite) type ErrNotAllowed struct { Err error } func (e ErrNotAllowed) Error() string { return e.Err.Error() } // ErrRoomUnknownOrNotAllowed is an error return if either the provided // room ID does not exist, or points to a room that the requester does // not have access to. type ErrRoomUnknownOrNotAllowed struct { Err error } func (e ErrRoomUnknownOrNotAllowed) Error() string { return e.Err.Error() } type RestrictedJoinAPI interface { CurrentStateEvent(ctx context.Context, roomID spec.RoomID, eventType string, stateKey string) (gomatrixserverlib.PDU, error) InvitePending(ctx context.Context, roomID spec.RoomID, senderID spec.SenderID) (bool, error) RestrictedRoomJoinInfo(ctx context.Context, roomID spec.RoomID, senderID spec.SenderID, localServerName spec.ServerName) (*gomatrixserverlib.RestrictedRoomJoinInfo, error) QueryRoomInfo(ctx context.Context, roomID spec.RoomID) (*types.RoomInfo, error) QueryServerJoinedToRoom(ctx context.Context, req *QueryServerJoinedToRoomRequest, res *QueryServerJoinedToRoomResponse) error UserJoinedToRoom(ctx context.Context, roomID types.RoomNID, senderID spec.SenderID) (bool, error) LocallyJoinedUsers(ctx context.Context, roomVersion gomatrixserverlib.RoomVersion, roomNID types.RoomNID) ([]gomatrixserverlib.PDU, error) } type DefaultRoomVersionAPI interface { // Returns the default room version used. DefaultRoomVersion() gomatrixserverlib.RoomVersion } // RoomserverInputAPI is used to write events to the room server. type RoomserverInternalAPI interface { SyncRoomserverAPI AppserviceRoomserverAPI ClientRoomserverAPI UserRoomserverAPI FederationRoomserverAPI QuerySenderIDAPI UserRoomPrivateKeyCreator DefaultRoomVersionAPI // needed to avoid chicken and egg scenario when setting up the // interdependencies between the roomserver and other input APIs SetFederationAPI(fsAPI fsAPI.RoomserverFederationAPI, keyRing *gomatrixserverlib.KeyRing) SetAppserviceAPI(asAPI asAPI.AppServiceInternalAPI) SetUserAPI(userAPI userapi.RoomserverUserAPI) // QueryAuthChain returns the entire auth chain for the event IDs given. // The response includes the events in the request. // Omits without error for any missing auth events. There will be no duplicates. // Used in MSC2836. QueryAuthChain( ctx context.Context, req *QueryAuthChainRequest, res *QueryAuthChainResponse, ) error } type UserRoomPrivateKeyCreator interface { // GetOrCreateUserRoomPrivateKey gets the user room key for the specified user. If no key exists yet, a new one is created. GetOrCreateUserRoomPrivateKey(ctx context.Context, userID spec.UserID, roomID spec.RoomID) (ed25519.PrivateKey, error) StoreUserRoomPublicKey(ctx context.Context, senderID spec.SenderID, userID spec.UserID, roomID spec.RoomID) error } type InputRoomEventsAPI interface { InputRoomEvents( ctx context.Context, req *InputRoomEventsRequest, res *InputRoomEventsResponse, ) } type QuerySenderIDAPI interface { QuerySenderIDForUser(ctx context.Context, roomID spec.RoomID, userID spec.UserID) (*spec.SenderID, error) QueryUserIDForSender(ctx context.Context, roomID spec.RoomID, senderID spec.SenderID) (*spec.UserID, error) } // Query the latest events and state for a room from the room server. type QueryLatestEventsAndStateAPI interface { QueryLatestEventsAndState(ctx context.Context, req *QueryLatestEventsAndStateRequest, res *QueryLatestEventsAndStateResponse) error } // QueryBulkStateContent does a bulk query for state event content in the given rooms. type QueryBulkStateContentAPI interface { QueryBulkStateContent(ctx context.Context, req *QueryBulkStateContentRequest, res *QueryBulkStateContentResponse) error } type QueryEventsAPI interface { // QueryEventsByID queries a list of events by event ID for one room. If no room is specified, it will try to determine // which room to use by querying the first events roomID. QueryEventsByID( ctx context.Context, req *QueryEventsByIDRequest, res *QueryEventsByIDResponse, ) error // QueryCurrentState retrieves the requested state events. If state events are not found, they will be missing from // the response. QueryCurrentState(ctx context.Context, req *QueryCurrentStateRequest, res *QueryCurrentStateResponse) error } type QueryRoomHierarchyAPI interface { // Traverse the room hierarchy using the provided walker up to the provided limit, // returning a new walker which can be used to fetch the next page. // // If limit is -1, this is treated as no limit, and the entire hierarchy will be traversed. // // If returned walker is nil, then there are no more rooms left to traverse. This method does not modify the provided walker, so it // can be cached. QueryNextRoomHierarchyPage(ctx context.Context, walker RoomHierarchyWalker, limit int) ([]fclient.RoomHierarchyRoom, *RoomHierarchyWalker, error) } // API functions required by the syncapi type SyncRoomserverAPI interface { QueryLatestEventsAndStateAPI QueryBulkStateContentAPI QuerySenderIDAPI // QuerySharedUsers returns a list of users who share at least 1 room in common with the given user. QuerySharedUsers(ctx context.Context, req *QuerySharedUsersRequest, res *QuerySharedUsersResponse) error // QueryEventsByID queries a list of events by event ID for one room. If no room is specified, it will try to determine // which room to use by querying the first events roomID. QueryEventsByID( ctx context.Context, req *QueryEventsByIDRequest, res *QueryEventsByIDResponse, ) error // Query the membership event for an user for a room. QueryMembershipForUser( ctx context.Context, req *QueryMembershipForUserRequest, res *QueryMembershipForUserResponse, ) error // Query the state after a list of events in a room from the room server. QueryStateAfterEvents( ctx context.Context, req *QueryStateAfterEventsRequest, res *QueryStateAfterEventsResponse, ) error // Query a given amount (or less) of events prior to a given set of events. PerformBackfill( ctx context.Context, req *PerformBackfillRequest, res *PerformBackfillResponse, ) error // QueryMembershipAtEvent queries the memberships at the given events. // Returns a map from eventID to a slice of types.HeaderedEvent. QueryMembershipAtEvent( ctx context.Context, request *QueryMembershipAtEventRequest, response *QueryMembershipAtEventResponse, ) error } type AppserviceRoomserverAPI interface { QuerySenderIDAPI // QueryEventsByID queries a list of events by event ID for one room. If no room is specified, it will try to determine // which room to use by querying the first events roomID. QueryEventsByID( ctx context.Context, req *QueryEventsByIDRequest, res *QueryEventsByIDResponse, ) error // Query a list of membership events for a room QueryMembershipsForRoom( ctx context.Context, req *QueryMembershipsForRoomRequest, res *QueryMembershipsForRoomResponse, ) error // Get all known aliases for a room ID GetAliasesForRoomID( ctx context.Context, req *GetAliasesForRoomIDRequest, res *GetAliasesForRoomIDResponse, ) error } type ClientRoomserverAPI interface { InputRoomEventsAPI QueryLatestEventsAndStateAPI QueryBulkStateContentAPI QueryEventsAPI QuerySenderIDAPI UserRoomPrivateKeyCreator QueryRoomHierarchyAPI DefaultRoomVersionAPI QueryMembershipForUser(ctx context.Context, req *QueryMembershipForUserRequest, res *QueryMembershipForUserResponse) error QueryMembershipsForRoom(ctx context.Context, req *QueryMembershipsForRoomRequest, res *QueryMembershipsForRoomResponse) error QueryRoomsForUser(ctx context.Context, req *QueryRoomsForUserRequest, res *QueryRoomsForUserResponse) error QueryStateAfterEvents(ctx context.Context, req *QueryStateAfterEventsRequest, res *QueryStateAfterEventsResponse) error // QueryKnownUsers returns a list of users that we know about from our joined rooms. QueryKnownUsers(ctx context.Context, req *QueryKnownUsersRequest, res *QueryKnownUsersResponse) error QueryRoomVersionForRoom(ctx context.Context, roomID string) (gomatrixserverlib.RoomVersion, error) QueryPublishedRooms(ctx context.Context, req *QueryPublishedRoomsRequest, res *QueryPublishedRoomsResponse) error GetRoomIDForAlias(ctx context.Context, req *GetRoomIDForAliasRequest, res *GetRoomIDForAliasResponse) error GetAliasesForRoomID(ctx context.Context, req *GetAliasesForRoomIDRequest, res *GetAliasesForRoomIDResponse) error PerformCreateRoom(ctx context.Context, userID spec.UserID, roomID spec.RoomID, createRequest *PerformCreateRoomRequest) (string, *util.JSONResponse) // PerformRoomUpgrade upgrades a room to a newer version PerformRoomUpgrade(ctx context.Context, roomID string, userID spec.UserID, roomVersion gomatrixserverlib.RoomVersion) (newRoomID string, err error) PerformAdminEvacuateRoom(ctx context.Context, roomID string) (affected []string, err error) PerformAdminEvacuateUser(ctx context.Context, userID string) (affected []string, err error) PerformAdminPurgeRoom(ctx context.Context, roomID string) error PerformAdminDownloadState(ctx context.Context, roomID, userID string, serverName spec.ServerName) error PerformPeek(ctx context.Context, req *PerformPeekRequest) (roomID string, err error) PerformUnpeek(ctx context.Context, roomID, userID, deviceID string) error PerformInvite(ctx context.Context, req *PerformInviteRequest) error PerformJoin(ctx context.Context, req *PerformJoinRequest) (roomID string, joinedVia spec.ServerName, err error) PerformLeave(ctx context.Context, req *PerformLeaveRequest, res *PerformLeaveResponse) error PerformPublish(ctx context.Context, req *PerformPublishRequest) error // PerformForget forgets a rooms history for a specific user PerformForget(ctx context.Context, req *PerformForgetRequest, resp *PerformForgetResponse) error // Sets a room alias, as provided sender, pointing to the provided room ID. // // If err is nil, then the returned boolean indicates if the alias is already in use. // If true, then the alias has not been set to the provided room, as it already in use. SetRoomAlias(ctx context.Context, senderID spec.SenderID, roomID spec.RoomID, alias string) (aliasAlreadyExists bool, err error) //RemoveRoomAlias(ctx context.Context, req *RemoveRoomAliasRequest, res *RemoveRoomAliasResponse) error // Removes a room alias, as provided sender. // // Returns whether the alias was found, whether it was removed, and an error (if any occurred) RemoveRoomAlias(ctx context.Context, senderID spec.SenderID, alias string) (aliasFound bool, aliasRemoved bool, err error) SigningIdentityFor(ctx context.Context, roomID spec.RoomID, senderID spec.UserID) (fclient.SigningIdentity, error) } type UserRoomserverAPI interface { QuerySenderIDAPI QueryLatestEventsAndStateAPI KeyserverRoomserverAPI QueryCurrentState(ctx context.Context, req *QueryCurrentStateRequest, res *QueryCurrentStateResponse) error QueryMembershipsForRoom(ctx context.Context, req *QueryMembershipsForRoomRequest, res *QueryMembershipsForRoomResponse) error PerformAdminEvacuateUser(ctx context.Context, userID string) (affected []string, err error) PerformJoin(ctx context.Context, req *PerformJoinRequest) (roomID string, joinedVia spec.ServerName, err error) JoinedUserCount(ctx context.Context, roomID string) (int, error) } type FederationRoomserverAPI interface { RestrictedJoinAPI InputRoomEventsAPI QueryLatestEventsAndStateAPI QueryBulkStateContentAPI QuerySenderIDAPI QueryRoomHierarchyAPI UserRoomPrivateKeyCreator AssignRoomNID(ctx context.Context, roomID spec.RoomID, roomVersion gomatrixserverlib.RoomVersion) (roomNID types.RoomNID, err error) SigningIdentityFor(ctx context.Context, roomID spec.RoomID, senderID spec.UserID) (fclient.SigningIdentity, error) // QueryServerBannedFromRoom returns whether a server is banned from a room by server ACLs. QueryServerBannedFromRoom(ctx context.Context, req *QueryServerBannedFromRoomRequest, res *QueryServerBannedFromRoomResponse) error QueryMembershipForUser(ctx context.Context, req *QueryMembershipForUserRequest, res *QueryMembershipForUserResponse) error QueryMembershipForSenderID(ctx context.Context, roomID spec.RoomID, senderID spec.SenderID, res *QueryMembershipForUserResponse) error QueryMembershipsForRoom(ctx context.Context, req *QueryMembershipsForRoomRequest, res *QueryMembershipsForRoomResponse) error QueryRoomVersionForRoom(ctx context.Context, roomID string) (gomatrixserverlib.RoomVersion, error) GetRoomIDForAlias(ctx context.Context, req *GetRoomIDForAliasRequest, res *GetRoomIDForAliasResponse) error // QueryEventsByID queries a list of events by event ID for one room. If no room is specified, it will try to determine // which room to use by querying the first events roomID. QueryEventsByID(ctx context.Context, req *QueryEventsByIDRequest, res *QueryEventsByIDResponse) error // Query to get state and auth chain for a (potentially hypothetical) event. // Takes lists of PrevEventIDs and AuthEventsIDs and uses them to calculate // the state and auth chain to return. QueryStateAndAuthChain(ctx context.Context, req *QueryStateAndAuthChainRequest, res *QueryStateAndAuthChainResponse) error QueryPublishedRooms(ctx context.Context, req *QueryPublishedRoomsRequest, res *QueryPublishedRoomsResponse) error // Query missing events for a room from roomserver QueryMissingEvents(ctx context.Context, req *QueryMissingEventsRequest, res *QueryMissingEventsResponse) error // Query whether a server is allowed to see an event QueryServerAllowedToSeeEvent(ctx context.Context, serverName spec.ServerName, eventID string, roomID string) (allowed bool, err error) QueryRoomsForUser(ctx context.Context, req *QueryRoomsForUserRequest, res *QueryRoomsForUserResponse) error QueryRestrictedJoinAllowed(ctx context.Context, roomID spec.RoomID, senderID spec.SenderID) (string, error) PerformInboundPeek(ctx context.Context, req *PerformInboundPeekRequest, res *PerformInboundPeekResponse) error HandleInvite(ctx context.Context, event *types.HeaderedEvent) error PerformInvite(ctx context.Context, req *PerformInviteRequest) error // Query a given amount (or less) of events prior to a given set of events. PerformBackfill(ctx context.Context, req *PerformBackfillRequest, res *PerformBackfillResponse) error IsKnownRoom(ctx context.Context, roomID spec.RoomID) (bool, error) StateQuerier() gomatrixserverlib.StateQuerier } type KeyserverRoomserverAPI interface { QueryLeftUsers(ctx context.Context, req *QueryLeftUsersRequest, res *QueryLeftUsersResponse) error }