diff options
Diffstat (limited to 'vendor/maunium.net/go/mautrix/event/events.go')
| -rw-r--r-- | vendor/maunium.net/go/mautrix/event/events.go | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/vendor/maunium.net/go/mautrix/event/events.go b/vendor/maunium.net/go/mautrix/event/events.go new file mode 100644 index 00000000..d2b61046 --- /dev/null +++ b/vendor/maunium.net/go/mautrix/event/events.go @@ -0,0 +1,149 @@ +// Copyright (c) 2020 Tulir Asokan +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + +package event + +import ( + "encoding/json" + "time" + + "maunium.net/go/mautrix/id" +) + +// Event represents a single Matrix event. +type Event struct { + StateKey *string `json:"state_key,omitempty"` // The state key for the event. Only present on State Events. + Sender id.UserID `json:"sender,omitempty"` // The user ID of the sender of the event + Type Type `json:"type"` // The event type + Timestamp int64 `json:"origin_server_ts,omitempty"` // The unix timestamp when this message was sent by the origin server + ID id.EventID `json:"event_id,omitempty"` // The unique ID of this event + RoomID id.RoomID `json:"room_id,omitempty"` // The room the event was sent to. May be nil (e.g. for presence) + Content Content `json:"content"` // The JSON content of the event. + Redacts id.EventID `json:"redacts,omitempty"` // The event ID that was redacted if a m.room.redaction event + Unsigned Unsigned `json:"unsigned,omitempty"` // Unsigned content set by own homeserver. + + Mautrix MautrixInfo `json:"-"` + + ToUserID id.UserID `json:"to_user_id,omitempty"` // The user ID that the to-device event was sent to. Only present in MSC2409 appservice transactions. + ToDeviceID id.DeviceID `json:"to_device_id,omitempty"` // The device ID that the to-device event was sent to. Only present in MSC2409 appservice transactions. +} + +type eventForMarshaling struct { + StateKey *string `json:"state_key,omitempty"` + Sender id.UserID `json:"sender,omitempty"` + Type Type `json:"type"` + Timestamp int64 `json:"origin_server_ts,omitempty"` + ID id.EventID `json:"event_id,omitempty"` + RoomID id.RoomID `json:"room_id,omitempty"` + Content Content `json:"content"` + Redacts id.EventID `json:"redacts,omitempty"` + Unsigned *Unsigned `json:"unsigned,omitempty"` + + PrevContent *Content `json:"prev_content,omitempty"` + ReplacesState *id.EventID `json:"replaces_state,omitempty"` + + ToUserID id.UserID `json:"to_user_id,omitempty"` + ToDeviceID id.DeviceID `json:"to_device_id,omitempty"` +} + +// UnmarshalJSON unmarshals the event, including moving prev_content from the top level to inside unsigned. +func (evt *Event) UnmarshalJSON(data []byte) error { + var efm eventForMarshaling + err := json.Unmarshal(data, &efm) + if err != nil { + return err + } + evt.StateKey = efm.StateKey + evt.Sender = efm.Sender + evt.Type = efm.Type + evt.Timestamp = efm.Timestamp + evt.ID = efm.ID + evt.RoomID = efm.RoomID + evt.Content = efm.Content + evt.Redacts = efm.Redacts + if efm.Unsigned != nil { + evt.Unsigned = *efm.Unsigned + } + if efm.PrevContent != nil && evt.Unsigned.PrevContent == nil { + evt.Unsigned.PrevContent = efm.PrevContent + } + if efm.ReplacesState != nil && *efm.ReplacesState != "" && evt.Unsigned.ReplacesState == "" { + evt.Unsigned.ReplacesState = *efm.ReplacesState + } + evt.ToUserID = efm.ToUserID + evt.ToDeviceID = efm.ToDeviceID + return nil +} + +// MarshalJSON marshals the event, including omitting the unsigned field if it's empty. +// +// This is necessary because Unsigned is not a pointer (for convenience reasons), +// and encoding/json doesn't know how to check if a non-pointer struct is empty. +// +// TODO(tulir): maybe it makes more sense to make Unsigned a pointer and make an easy and safe way to access it? +func (evt *Event) MarshalJSON() ([]byte, error) { + unsigned := &evt.Unsigned + if unsigned.IsEmpty() { + unsigned = nil + } + return json.Marshal(&eventForMarshaling{ + StateKey: evt.StateKey, + Sender: evt.Sender, + Type: evt.Type, + Timestamp: evt.Timestamp, + ID: evt.ID, + RoomID: evt.RoomID, + Content: evt.Content, + Redacts: evt.Redacts, + Unsigned: unsigned, + ToUserID: evt.ToUserID, + ToDeviceID: evt.ToDeviceID, + }) +} + +type MautrixInfo struct { + TrustState id.TrustState + ForwardedKeys bool + WasEncrypted bool + TrustSource *id.Device + + ReceivedAt time.Time + DecryptionDuration time.Duration + + CheckpointSent bool +} + +func (evt *Event) GetStateKey() string { + if evt.StateKey != nil { + return *evt.StateKey + } + return "" +} + +type StrippedState struct { + Content Content `json:"content"` + Type Type `json:"type"` + StateKey string `json:"state_key"` + Sender id.UserID `json:"sender"` +} + +type Unsigned struct { + PrevContent *Content `json:"prev_content,omitempty"` + PrevSender id.UserID `json:"prev_sender,omitempty"` + ReplacesState id.EventID `json:"replaces_state,omitempty"` + Age int64 `json:"age,omitempty"` + TransactionID string `json:"transaction_id,omitempty"` + Relations *Relations `json:"m.relations,omitempty"` + RedactedBecause *Event `json:"redacted_because,omitempty"` + InviteRoomState []StrippedState `json:"invite_room_state,omitempty"` + + BeeperHSOrder int64 `json:"com.beeper.hs.order,omitempty"` +} + +func (us *Unsigned) IsEmpty() bool { + return us.PrevContent == nil && us.PrevSender == "" && us.ReplacesState == "" && us.Age == 0 && + us.TransactionID == "" && us.RedactedBecause == nil && us.InviteRoomState == nil && us.Relations == nil +} |