117 lines
3.1 KiB
Go
117 lines
3.1 KiB
Go
package linkpearl
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import (
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"time"
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"maunium.net/go/mautrix"
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"maunium.net/go/mautrix/event"
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"maunium.net/go/mautrix/id"
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)
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// OnEventType allows callers to be notified when there are new events for the given event type.
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// There are no duplicate checks.
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func (l *Linkpearl) OnEventType(eventType event.Type, callback mautrix.EventHandler) {
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l.api.Syncer.(mautrix.ExtensibleSyncer).OnEventType(eventType, callback)
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}
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// OnSync shortcut to mautrix.DefaultSyncer.OnSync
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func (l *Linkpearl) OnSync(callback mautrix.SyncHandler) {
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l.api.Syncer.(mautrix.ExtensibleSyncer).OnSync(callback)
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}
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// OnEvent shortcut to mautrix.DefaultSyncer.OnEvent
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func (l *Linkpearl) OnEvent(callback mautrix.EventHandler) {
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l.api.Syncer.(mautrix.ExtensibleSyncer).OnEvent(callback)
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}
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func (l *Linkpearl) initSync() {
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l.api.Syncer.(mautrix.ExtensibleSyncer).OnEventType(
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event.StateEncryption,
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func(source mautrix.EventSource, evt *event.Event) {
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go l.onEncryption(source, evt)
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},
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)
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l.api.Syncer.(mautrix.ExtensibleSyncer).OnEventType(
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event.StateMember,
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func(source mautrix.EventSource, evt *event.Event) {
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go l.onMembership(source, evt)
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},
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)
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}
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func (l *Linkpearl) onMembership(src mautrix.EventSource, evt *event.Event) {
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l.ch.Machine().HandleMemberEvent(src, evt)
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l.api.StateStore.SetMembership(evt.RoomID, id.UserID(evt.GetStateKey()), evt.Content.AsMember().Membership)
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// potentially autoaccept invites
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l.onInvite(evt)
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// autoleave empty rooms
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l.onEmpty(evt)
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}
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func (l *Linkpearl) onInvite(evt *event.Event) {
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userID := l.api.UserID.String()
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invite := evt.Content.AsMember().Membership == event.MembershipInvite
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if !invite || evt.GetStateKey() != userID {
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return
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}
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if l.joinPermit(evt) {
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l.tryJoin(evt.RoomID, 0)
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return
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}
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l.tryLeave(evt.RoomID, 0)
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}
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func (l *Linkpearl) tryJoin(roomID id.RoomID, retry int) {
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if retry >= l.maxretries {
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return
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}
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_, err := l.api.JoinRoomByID(roomID)
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if err != nil {
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l.log.Error().Err(err).Str("roomID", roomID.String()).Msg("cannot join room")
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time.Sleep(5 * time.Second)
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l.log.Error().Err(err).Str("roomID", roomID.String()).Int("retry", retry+1).Msg("trying to join again")
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l.tryJoin(roomID, retry+1)
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}
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}
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func (l *Linkpearl) tryLeave(roomID id.RoomID, retry int) {
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if retry >= l.maxretries {
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return
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}
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_, err := l.api.LeaveRoom(roomID)
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if err != nil {
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l.log.Error().Err(err).Str("roomID", roomID.String()).Msg("cannot leave room")
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time.Sleep(5 * time.Second)
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l.log.Error().Err(err).Str("roomID", roomID.String()).Int("retry", retry+1).Msg("trying to leave again")
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l.tryLeave(roomID, retry+1)
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}
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}
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func (l *Linkpearl) onEmpty(evt *event.Event) {
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if !l.autoleave {
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return
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}
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members, err := l.api.StateStore.GetRoomJoinedOrInvitedMembers(evt.RoomID)
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if err != nil {
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l.log.Error().Err(err).Str("roomID", evt.RoomID.String()).Msg("cannot get joined or invited members")
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return
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}
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if len(members) >= 1 && members[0] != l.api.UserID {
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return
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}
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l.tryLeave(evt.RoomID, 0)
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}
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func (l *Linkpearl) onEncryption(_ mautrix.EventSource, evt *event.Event) {
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l.api.StateStore.SetEncryptionEvent(evt.RoomID, evt.Content.AsEncryption())
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}
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