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federationtypes.go
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federationtypes.go
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package fclient
import (
"database/sql/driver"
"encoding/json"
"fmt"
"io"
"github.com/neilalexander/harmony/internal/gomatrixserverlib"
"github.com/neilalexander/harmony/internal/gomatrixserverlib/spec"
"github.com/tidwall/gjson"
)
// A RespSend is the content of a response to PUT /_matrix/federation/v1/send/{txnID}/
type RespSend struct {
// Map of event ID to the result of processing that event.
PDUs map[string]PDUResult `json:"pdus"`
}
// A PDUResult is the result of processing a matrix room event.
type PDUResult struct {
// If not empty then this is a human readable description of a problem
// encountered processing an event.
Error string `json:"error,omitempty"`
}
// A RespStateIDs is the content of a response to GET /_matrix/federation/v1/state_ids/{roomID}/{eventID}
type RespStateIDs struct {
// A list of state event IDs for the state of the room before the requested event.
StateEventIDs []string `json:"pdu_ids"`
// A list of event IDs needed to authenticate the state events.
AuthEventIDs []string `json:"auth_chain_ids"`
}
func (r RespStateIDs) GetStateEventIDs() []string {
return r.StateEventIDs
}
func (r RespStateIDs) GetAuthEventIDs() []string {
return r.AuthEventIDs
}
// A RespState is the content of a response to GET /_matrix/federation/v1/state/{roomID}/{eventID}
type RespState struct {
// A list of events giving the state of the room before the request event.
StateEvents gomatrixserverlib.EventJSONs `json:"pdus"`
// A list of events needed to authenticate the state events.
AuthEvents gomatrixserverlib.EventJSONs `json:"auth_chain"`
}
func (r *RespState) GetStateEvents() gomatrixserverlib.EventJSONs {
return r.StateEvents
}
func (r *RespState) GetAuthEvents() gomatrixserverlib.EventJSONs {
return r.AuthEvents
}
// A RespPeek is the content of a response to GET /_matrix/federation/v1/peek/{roomID}/{peekID}
type RespPeek struct {
// How often should we renew the peek?
RenewalInterval int64 `json:"renewal_interval"`
// A list of events giving the state of the room at the point of the request
StateEvents gomatrixserverlib.EventJSONs `json:"state"`
// A list of events needed to authenticate the state events.
AuthEvents gomatrixserverlib.EventJSONs `json:"auth_chain"`
// The room version that we're trying to peek.
RoomVersion gomatrixserverlib.RoomVersion `json:"room_version"`
// The ID of the event whose state snapshot this is - i.e. the
// most recent forward extremity in the room.
LatestEvent gomatrixserverlib.PDU `json:"latest_event"`
}
func (r *RespPeek) GetStateEvents() gomatrixserverlib.EventJSONs {
return r.StateEvents
}
func (r *RespPeek) GetAuthEvents() gomatrixserverlib.EventJSONs {
return r.AuthEvents
}
// MissingEvents represents a request for missing events.
// https://matrix.org/docs/spec/server_server/r0.1.3#post-matrix-federation-v1-get-missing-events-roomid
type MissingEvents struct {
// The maximum number of events to retrieve.
Limit int `json:"limit"`
// The minimum depth of events to retrieve.
MinDepth int `json:"min_depth"`
// The latest event IDs that the sender already has.
EarliestEvents []string `json:"earliest_events"`
// The event IDs to retrieve the previous events for.
LatestEvents []string `json:"latest_events"`
}
// A RespMissingEvents is the content of a response to GET /_matrix/federation/v1/get_missing_events/{roomID}
type RespMissingEvents struct {
// The returned set of missing events.
Events gomatrixserverlib.EventJSONs `json:"events"`
}
// RespPublicRooms is the content of a response to GET /_matrix/federation/v1/publicRooms
type RespPublicRooms struct {
// A paginated chunk of public rooms.
Chunk []PublicRoom `json:"chunk"`
// A pagination token for the response. The absence of this token means there are no more results to fetch and the client should stop paginating.
NextBatch string `json:"next_batch,omitempty"`
// A pagination token that allows fetching previous results. The absence of this token means there are no results before this batch, i.e. this is the first batch.
PrevBatch string `json:"prev_batch,omitempty"`
// An estimate on the total number of public rooms, if the server has an estimate.
TotalRoomCountEstimate int `json:"total_room_count_estimate,omitempty"`
}
// PublicRoom stores the info of a room returned by
// GET /_matrix/federation/v1/publicRooms
type PublicRoom struct {
// The canonical alias of the room, if any.
CanonicalAlias string `json:"canonical_alias,omitempty"`
// The name of the room, if any.
Name string `json:"name,omitempty"`
// The number of members joined to the room.
JoinedMembersCount int `json:"num_joined_members"`
// The ID of the room.
RoomID string `json:"room_id"`
// The topic of the room, if any.
Topic string `json:"topic,omitempty"`
// Whether the room may be viewed by guest users without joining.
WorldReadable bool `json:"world_readable"`
// Whether guest users may join the room and participate in it. If they can, they will be subject to ordinary power level rules like any other user.
GuestCanJoin bool `json:"guest_can_join"`
// The URL for the room's avatar, if one is set.
AvatarURL string `json:"avatar_url,omitempty"`
}
// A RespEventAuth is the content of a response to GET /_matrix/federation/v1/event_auth/{roomID}/{eventID}
type RespEventAuth struct {
// A list of events needed to authenticate the state events.
AuthEvents gomatrixserverlib.EventJSONs `json:"auth_chain"`
}
type respStateFields struct {
StateEvents gomatrixserverlib.EventJSONs `json:"pdus"`
AuthEvents gomatrixserverlib.EventJSONs `json:"auth_chain"`
}
// RespUserDevices contains a response to /_matrix/federation/v1/user/devices/{userID}
// https://matrix.org/docs/spec/server_server/latest#get-matrix-federation-v1-user-devices-userid
type RespUserDevices struct {
UserID string `json:"user_id"`
StreamID int64 `json:"stream_id"`
Devices []RespUserDevice `json:"devices"`
MasterKey *CrossSigningKey `json:"master_key"`
SelfSigningKey *CrossSigningKey `json:"self_signing_key"`
}
type EmptyResp struct {
}
// UnmarshalJSON is used here because people on Synapses can apparently upload
// nonsense into their device keys in types that don't match the expected and
// that can cause the entire response to fail to unmarshal. This simply skips
// anything that fails to unmarshal and returns the rest.
func (r *RespUserDevices) UnmarshalJSON(data []byte) error {
intermediate := struct {
UserID string `json:"user_id"`
StreamID int64 `json:"stream_id"`
Devices []json.RawMessage `json:"devices"`
MasterKey json.RawMessage `json:"master_key"`
SelfSigningKey json.RawMessage `json:"self_signing_key"`
}{}
if err := json.Unmarshal(data, &intermediate); err != nil {
return err
}
r.UserID = intermediate.UserID
r.StreamID = intermediate.StreamID
_ = json.Unmarshal(intermediate.MasterKey, &r.MasterKey)
_ = json.Unmarshal(intermediate.SelfSigningKey, &r.SelfSigningKey)
for _, deviceJSON := range intermediate.Devices {
var device RespUserDevice
if err := json.Unmarshal(deviceJSON, &device); err == nil {
r.Devices = append(r.Devices, device)
}
}
return nil
}
// RespUserDevice are embedded in RespUserDevices
// https://matrix.org/docs/spec/server_server/latest#get-matrix-federation-v1-user-devices-userid
type RespUserDevice struct {
DeviceID string `json:"device_id"`
DisplayName string `json:"device_display_name"`
Keys RespUserDeviceKeys `json:"keys"`
}
// RespUserDeviceKeys are embedded in RespUserDevice
// https://matrix.org/docs/spec/server_server/latest#get-matrix-federation-v1-user-devices-userid
type RespUserDeviceKeys struct {
UserID string `json:"user_id"`
DeviceID string `json:"device_id"`
Algorithms []string `json:"algorithms"`
// E.g "curve25519:JLAFKJWSCS": "3C5BFWi2Y8MaVvjM8M22DBmh24PmgR0nPvJOIArzgyI"
Keys map[gomatrixserverlib.KeyID]spec.Base64Bytes `json:"keys"`
// E.g "@alice:example.com": {
// "ed25519:JLAFKJWSCS": "dSO80A01XiigH3uBiDVx/EjzaoycHcjq9lfQX0uWsqxl2giMIiSPR8a4d291W1ihKJL/a+myXS367WT6NAIcBA"
// }
Signatures map[string]map[gomatrixserverlib.KeyID]spec.Base64Bytes `json:"signatures"`
}
// MarshalJSON implements json.Marshaller
func (r RespPeek) MarshalJSON() ([]byte, error) {
if len(r.StateEvents) == 0 {
r.StateEvents = gomatrixserverlib.EventJSONs{}
}
if len(r.AuthEvents) == 0 {
r.AuthEvents = gomatrixserverlib.EventJSONs{}
}
return json.Marshal(struct {
RenewalInterval int64 `json:"renewal_interval"`
StateEvents gomatrixserverlib.EventJSONs `json:"state"`
AuthEvents gomatrixserverlib.EventJSONs `json:"auth_chain"`
RoomVersion gomatrixserverlib.RoomVersion `json:"room_version"`
LatestEvent gomatrixserverlib.PDU `json:"latest_event"`
}{
RenewalInterval: r.RenewalInterval,
StateEvents: r.StateEvents,
AuthEvents: r.AuthEvents,
RoomVersion: r.RoomVersion,
LatestEvent: r.LatestEvent,
})
}
// MarshalJSON implements json.Marshaller
func (r RespState) MarshalJSON() ([]byte, error) {
if len(r.StateEvents) == 0 {
r.StateEvents = gomatrixserverlib.EventJSONs{}
}
if len(r.AuthEvents) == 0 {
r.AuthEvents = gomatrixserverlib.EventJSONs{}
}
return json.Marshal(respStateFields{ // nolint:gosimple
StateEvents: r.StateEvents,
AuthEvents: r.AuthEvents,
})
}
// A RespMakeJoin is the content of a response to GET /_matrix/federation/v2/make_join/{roomID}/{userID}
type RespMakeJoin struct {
// An incomplete m.room.member event for a user on the requesting server
// generated by the responding server.
// See https://matrix.org/docs/spec/server_server/unstable.html#joining-rooms
JoinEvent gomatrixserverlib.ProtoEvent `json:"event"`
RoomVersion gomatrixserverlib.RoomVersion `json:"room_version"`
}
func (r *RespMakeJoin) GetJoinEvent() gomatrixserverlib.ProtoEvent {
return r.JoinEvent
}
func (r *RespMakeJoin) GetRoomVersion() gomatrixserverlib.RoomVersion {
return r.RoomVersion
}
// A RespSendJoin is the content of a response to PUT /_matrix/federation/v2/send_join/{roomID}/{eventID}
type RespSendJoin struct {
// A list of events giving the state of the room before the request event.
StateEvents gomatrixserverlib.EventJSONs `json:"state"`
// A list of events needed to authenticate the state events.
AuthEvents gomatrixserverlib.EventJSONs `json:"auth_chain"`
// The server that originated the event.
Origin spec.ServerName `json:"origin"`
// The returned join event from the remote server. Used for restricted joins,
// but not guaranteed to be present as it's only since MSC3083.
Event spec.RawJSON `json:"event,omitempty"`
// true if the state is incomplete
MembersOmitted bool `json:"members_omitted"`
// a list of servers in the room. Only returned if partial_state is set.
ServersInRoom []string `json:"servers_in_room"`
}
func (r *RespSendJoin) GetStateEvents() gomatrixserverlib.EventJSONs {
return r.StateEvents
}
func (r *RespSendJoin) GetAuthEvents() gomatrixserverlib.EventJSONs {
return r.AuthEvents
}
func (r *RespSendJoin) GetOrigin() spec.ServerName {
return r.Origin
}
func (r *RespSendJoin) GetJoinEvent() spec.RawJSON {
return r.Event
}
func (r *RespSendJoin) GetMembersOmitted() bool {
return r.MembersOmitted
}
func (r *RespSendJoin) GetServersInRoom() []string {
return r.ServersInRoom
}
// MarshalJSON implements json.Marshaller
func (r RespSendJoin) MarshalJSON() ([]byte, error) {
fields := respSendJoinFields{
StateEvents: r.StateEvents,
AuthEvents: r.AuthEvents,
Origin: r.Origin,
Event: r.Event,
}
if len(fields.AuthEvents) == 0 {
fields.AuthEvents = gomatrixserverlib.EventJSONs{}
}
if len(fields.StateEvents) == 0 {
fields.StateEvents = gomatrixserverlib.EventJSONs{}
}
if !r.MembersOmitted {
return json.Marshal(fields)
}
partialJoinFields := respSendJoinPartialStateFields{
respSendJoinFields: fields,
MembersOmitted: true,
ServersInRoom: r.ServersInRoom,
}
return json.Marshal(partialJoinFields)
}
// A RespSendKnock is the content of a response to PUT /_matrix/federation/v2/send_knock/{roomID}/{eventID}
type RespSendKnock struct {
// A list of stripped state events to help the initiator of the knock identify the room.
KnockRoomState []gomatrixserverlib.InviteStrippedState `json:"knock_room_state"`
}
// A RespMakeKnock is the content of a response to GET /_matrix/federation/v2/make_knock/{roomID}/{userID}
type RespMakeKnock struct {
// An incomplete m.room.member event for a user on the requesting server
// generated by the responding server.
// See https://spec.matrix.org/v1.3/server-server-api/#knocking-upon-a-room
KnockEvent gomatrixserverlib.ProtoEvent `json:"event"`
RoomVersion gomatrixserverlib.RoomVersion `json:"room_version"`
}
// respSendJoinFields is an intermediate struct used in RespSendJoin.MarshalJSON
type respSendJoinFields struct {
StateEvents gomatrixserverlib.EventJSONs `json:"state"`
AuthEvents gomatrixserverlib.EventJSONs `json:"auth_chain"`
Origin spec.ServerName `json:"origin"`
Event spec.RawJSON `json:"event,omitempty"`
}
// respSendJoinPartialStateFields extends respSendJoinFields with the fields added
// when the response has incomplete state.
type respSendJoinPartialStateFields struct {
respSendJoinFields
MembersOmitted bool `json:"members_omitted"`
ServersInRoom []string `json:"servers_in_room"`
}
// A RespMakeLeave is the content of a response to GET /_matrix/federation/v2/make_leave/{roomID}/{userID}
type RespMakeLeave struct {
// An incomplete m.room.member event for a user on the requesting server
// generated by the responding server.
// See https://matrix.org/docs/spec/server_server/r0.1.1.html#get-matrix-federation-v1-make-leave-roomid-userid
LeaveEvent gomatrixserverlib.ProtoEvent `json:"event"`
// The room version that we're trying to leave.
RoomVersion gomatrixserverlib.RoomVersion `json:"room_version"`
}
// A RespDirectory is the content of a response to GET /_matrix/federation/v1/query/directory
// This is returned when looking up a room alias from a remote server.
// See https://matrix.org/docs/spec/server_server/unstable.html#directory
type RespDirectory struct {
// The matrix room ID the room alias corresponds to.
RoomID string `json:"room_id"`
// A list of matrix servers that the directory server thinks could be used
// to join the room. The joining server may need to try multiple servers
// before it finds one that it can use to join the room.
Servers []spec.ServerName `json:"servers"`
}
// RespProfile is the content of a response to GET /_matrix/federation/v1/query/profile
type RespProfile struct {
DisplayName string `json:"displayname,omitempty"`
AvatarURL string `json:"avatar_url,omitempty"`
}
// RespInvite is the content of a response to PUT /_matrix/federation/v1/invite/{roomID}/{eventID}
type RespInvite struct {
// The invite event signed by recipient server.
Event spec.RawJSON `json:"event"`
}
// MarshalJSON implements json.Marshaller
func (r RespInvite) MarshalJSON() ([]byte, error) {
// The wire format of a RespInvite is slightly is sent as the second element
// of a two element list where the first element is the constant integer 200.
// (This protocol oddity is the result of a typo in the synapse matrix
// server, and is preserved to maintain compatibility.)
return json.Marshal([]interface{}{200, respInviteFields(r)})
}
// UnmarshalJSON implements json.Unmarshaller
func (r *RespInvite) UnmarshalJSON(data []byte) error {
var tuple gomatrixserverlib.EventJSONs
if err := json.Unmarshal(data, &tuple); err != nil {
return err
}
if len(tuple) != 2 {
return fmt.Errorf("gomatrixserverlib: invalid invite response, invalid length: %d != 2", len(tuple))
}
if jr := gjson.GetBytes(tuple[1], "event"); jr.Exists() {
r.Event = []byte(jr.Raw)
}
return nil
}
type respInviteFields struct {
Event spec.RawJSON `json:"event"`
}
// RespInvite is the content of a response to PUT /_matrix/federation/v2/invite/{roomID}/{eventID}
type RespInviteV2 struct {
// The invite event signed by recipient server.
Event spec.RawJSON `json:"event"`
}
// RespClaimKeys is the response for https://matrix.org/docs/spec/server_server/latest#post-matrix-federation-v1-user-keys-claim
type RespClaimKeys struct {
// Required. One-time keys for the queried devices. A map from user ID, to a map from devices to a map
// from <algorithm>:<key_id> to the key object or a string.
OneTimeKeys map[string]map[string]map[string]json.RawMessage `json:"one_time_keys"`
}
// RespQueryKeys is the response for https://matrix.org/docs/spec/server_server/latest#post-matrix-federation-v1-user-keys-query
type RespQueryKeys struct {
DeviceKeys map[string]map[string]DeviceKeys `json:"device_keys"`
MasterKeys map[string]CrossSigningKey `json:"master_keys"`
SelfSigningKeys map[string]CrossSigningKey `json:"self_signing_keys"`
}
// DeviceKeys as per https://matrix.org/docs/spec/server_server/latest#post-matrix-federation-v1-user-keys-query
type DeviceKeys struct {
RespUserDeviceKeys
// Additional data added to the device key information by intermediate servers, and not covered by the signatures.
// E.g { "device_display_name": "Alice's mobile phone" }
Unsigned map[string]interface{} `json:"unsigned"`
}
func (s *DeviceKeys) isCrossSigningBody() {} // implements CrossSigningBody
func (s *DeviceKeys) Scan(src interface{}) error {
switch v := src.(type) {
case string:
return json.Unmarshal([]byte(v), s)
case []byte:
return json.Unmarshal(v, s)
}
return fmt.Errorf("unsupported source type")
}
func (s DeviceKeys) Value() (driver.Value, error) {
return json.Marshal(s)
}
// A Version is a struct that matches the version response from a Matrix homeserver. See
// https://matrix.org/docs/spec/server_server/r0.1.1.html#get-matrix-federation-v1-version
type Version struct {
// Server is a struct containing the homserver version values
Server struct {
// Name is an arbitrary string that the Matrix server uses to identify itself
Name string `json:"name"`
// Version is a string that identifies the Matrix server's version, the format
// of which depends on the Matrx server implementation
Version string `json:"version"`
} `json:"server"`
}
// MSC2836EventRelationshipsRequest is a request to /event_relationships from
// https://github.com/matrix-org/matrix-doc/blob/kegan/msc/threading/proposals/2836-threading.md
// nolint:maligned
type MSC2836EventRelationshipsRequest struct {
EventID string `json:"event_id"`
MaxDepth int `json:"max_depth"`
MaxBreadth int `json:"max_breadth"`
Limit int `json:"limit"`
DepthFirst bool `json:"depth_first"`
RecentFirst bool `json:"recent_first"`
IncludeParent bool `json:"include_parent"`
IncludeChildren bool `json:"include_children"`
Direction string `json:"direction"`
Batch string `json:"batch"`
AutoJoin bool `json:"auto_join"`
}
// NewMSC2836EventRelationshipsRequest creates a new MSC2836 /event_relationships request with defaults set.
// https://github.com/matrix-org/matrix-doc/blob/kegan/msc/threading/proposals/2836-threading.md
func NewMSC2836EventRelationshipsRequest(body io.Reader) (*MSC2836EventRelationshipsRequest, error) {
var relation MSC2836EventRelationshipsRequest
relation.Defaults()
if err := json.NewDecoder(body).Decode(&relation); err != nil {
return nil, err
}
return &relation, nil
}
// Defaults sets default values.
func (r *MSC2836EventRelationshipsRequest) Defaults() {
r.Limit = 100
r.MaxBreadth = 10
r.MaxDepth = 3
r.DepthFirst = false
r.RecentFirst = true
r.IncludeParent = false
r.IncludeChildren = false
r.Direction = "down"
}
// MSC2836EventRelationshipsResponse is a response to /event_relationships from
// https://github.com/matrix-org/matrix-doc/blob/kegan/msc/threading/proposals/2836-threading.md
type MSC2836EventRelationshipsResponse struct {
Events gomatrixserverlib.EventJSONs `json:"events"`
NextBatch string `json:"next_batch"`
Limited bool `json:"limited"`
AuthChain gomatrixserverlib.EventJSONs `json:"auth_chain"`
}
// RoomHierarchyRoom represents a public room with additional metadata on the space directory
type RoomHierarchyRoom struct {
PublicRoom
ChildrenState []RoomHierarchyStrippedEvent `json:"children_state"`
AllowedRoomIDs []string `json:"allowed_room_ids,omitempty"`
RoomType string `json:"room_type"`
}
// RoomHierarchyResponse is the HTTP response body for the federation /unstable/spaces/{roomID} endpoint
// See https://github.com/matrix-org/matrix-doc/pull/2946
type RoomHierarchyResponse struct {
Room RoomHierarchyRoom `json:"room"`
Children []RoomHierarchyRoom `json:"children"`
InaccessibleChildren []string `json:"inaccessible_children"`
}
// RoomHierarchyStrippedEvent is the format of events returned in the HTTP response body
type RoomHierarchyStrippedEvent struct {
Type string `json:"type"`
StateKey string `json:"state_key"`
Content json.RawMessage `json:"content"`
Sender string `json:"sender"`
OriginServerTS spec.Timestamp `json:"origin_server_ts"`
}