319 lines
9.7 KiB
Go
319 lines
9.7 KiB
Go
package main
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import (
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"crypto/hmac"
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"crypto/sha512"
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"encoding/hex"
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"fmt"
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"time"
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"github.com/pkg/errors"
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"maunium.net/go/mautrix"
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"maunium.net/go/mautrix/appservice"
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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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var (
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ErrNoCustomMXID = errors.New("no custom mxid set")
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ErrMismatchingMXID = errors.New("whoami result does not match custom mxid")
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)
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func (puppet *Puppet) SwitchCustomMXID(accessToken string, mxid id.UserID) error {
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prevCustomMXID := puppet.CustomMXID
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if puppet.customIntent != nil {
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puppet.stopSyncing()
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}
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puppet.CustomMXID = mxid
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puppet.AccessToken = accessToken
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err := puppet.StartCustomMXID(false)
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if err != nil {
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return err
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}
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if len(prevCustomMXID) > 0 {
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delete(puppet.bridge.puppetsByCustomMXID, prevCustomMXID)
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}
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if len(puppet.CustomMXID) > 0 {
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puppet.bridge.puppetsByCustomMXID[puppet.CustomMXID] = puppet
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}
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puppet.bridge.AS.StateStore.MarkRegistered(puppet.CustomMXID)
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puppet.Update()
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// TODO leave rooms with default puppet
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return nil
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}
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func (puppet *Puppet) loginWithSharedSecret(mxid id.UserID) (string, error) {
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_, homeserver, _ := mxid.Parse()
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puppet.log.Debugfln("Logging into %s with shared secret", mxid)
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mac := hmac.New(sha512.New, []byte(puppet.bridge.Config.Bridge.LoginSharedSecretMap[homeserver]))
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mac.Write([]byte(mxid))
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client, err := puppet.bridge.newDoublePuppetClient(mxid, "")
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if err != nil {
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return "", fmt.Errorf("failed to create mautrix client to log in: %v", err)
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}
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resp, err := client.Login(&mautrix.ReqLogin{
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Type: mautrix.AuthTypePassword,
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Identifier: mautrix.UserIdentifier{Type: mautrix.IdentifierTypeUser, User: string(mxid)},
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Password: hex.EncodeToString(mac.Sum(nil)),
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DeviceID: "Skype Bridge",
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InitialDeviceDisplayName: "Skype Bridge",
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})
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if err != nil {
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return "", err
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}
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return resp.AccessToken, nil
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}
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func (bridge *Bridge) newDoublePuppetClient(mxid id.UserID, accessToken string) (*mautrix.Client, error) {
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_, homeserver, err := mxid.Parse()
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if err != nil {
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return nil, err
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}
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homeserverURL, found := bridge.Config.Bridge.DoublePuppetServerMap[homeserver]
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if !found {
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if homeserver == bridge.AS.HomeserverDomain {
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homeserverURL = bridge.AS.HomeserverURL
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} else if bridge.Config.Bridge.DoublePuppetAllowDiscovery {
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resp, err := mautrix.DiscoverClientAPI(homeserver)
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if err != nil {
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return nil, fmt.Errorf("failed to find homeserver URL for %s: %v", homeserver, err)
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}
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homeserverURL = resp.Homeserver.BaseURL
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bridge.Log.Debugfln("Discovered URL %s for %s to enable double puppeting for %s", homeserverURL, homeserver, mxid)
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} else {
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return nil, fmt.Errorf("double puppeting from %s is not allowed", homeserver)
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}
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}
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client, err := mautrix.NewClient(homeserverURL, mxid, accessToken)
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if err != nil {
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return nil, err
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}
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client.Logger = bridge.AS.Log.Sub(mxid.String())
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client.Client = bridge.AS.HTTPClient
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client.DefaultHTTPRetries = bridge.AS.DefaultHTTPRetries
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return client, nil
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}
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func (puppet *Puppet) newCustomIntent() (*appservice.IntentAPI, error) {
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if len(puppet.CustomMXID) == 0 {
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return nil, ErrNoCustomMXID
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}
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client, err := mautrix.NewClient(puppet.bridge.AS.HomeserverURL, puppet.CustomMXID, puppet.AccessToken)
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if err != nil {
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return nil, err
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}
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client.Logger = puppet.bridge.AS.Log.Sub(string(puppet.CustomMXID))
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client.Syncer = puppet
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client.Store = puppet
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ia := puppet.bridge.AS.NewIntentAPI("custom")
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ia.Client = client
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ia.Localpart, _, _ = puppet.CustomMXID.Parse()
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ia.UserID = puppet.CustomMXID
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ia.IsCustomPuppet = true
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return ia, nil
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}
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func (puppet *Puppet) clearCustomMXID() {
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puppet.CustomMXID = ""
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puppet.AccessToken = ""
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puppet.customIntent = nil
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puppet.customTypingIn = nil
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puppet.customUser = nil
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}
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func (puppet *Puppet) StartCustomMXID(reloginOnFail bool) error {
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if len(puppet.CustomMXID) == 0 {
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puppet.clearCustomMXID()
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return nil
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}
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intent, err := puppet.newCustomIntent()
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if err != nil {
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puppet.clearCustomMXID()
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return err
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}
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resp, err := intent.Whoami()
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if err != nil {
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if !reloginOnFail || (errors.Is(err, mautrix.MUnknownToken) && !puppet.tryRelogin(err, "initializing double puppeting")) {
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puppet.clearCustomMXID()
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return err
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}
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intent.AccessToken = puppet.AccessToken
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} else if resp.UserID != puppet.CustomMXID {
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puppet.clearCustomMXID()
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return ErrMismatchingMXID
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}
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puppet.customIntent = intent
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puppet.customTypingIn = make(map[id.RoomID]bool)
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puppet.customUser = puppet.bridge.GetUserByMXID(puppet.CustomMXID)
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puppet.startSyncing()
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return nil
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}
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func (puppet *Puppet) startSyncing() {
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if !puppet.bridge.Config.Bridge.SyncWithCustomPuppets {
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return
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}
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go func() {
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puppet.log.Debugln("Starting syncing...")
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puppet.customIntent.SyncPresence = "offline"
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err := puppet.customIntent.Sync()
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if err != nil {
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puppet.log.Errorln("Fatal error syncing:", err)
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}
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}()
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}
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func (puppet *Puppet) stopSyncing() {
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if !puppet.bridge.Config.Bridge.SyncWithCustomPuppets {
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return
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}
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puppet.customIntent.StopSync()
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}
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func (puppet *Puppet) ProcessResponse(resp *mautrix.RespSync, since string) error {
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if !puppet.customUser.IsConnected() {
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puppet.log.Debugln("Skipping sync processing: custom user not connected to skype")
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return nil
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}
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for roomID, events := range resp.Rooms.Join {
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portal := puppet.bridge.GetPortalByMXID(roomID)
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if portal == nil {
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continue
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}
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for _, evt := range events.Ephemeral.Events {
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err := evt.Content.ParseRaw(evt.Type)
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if err != nil {
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continue
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}
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switch evt.Type {
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case event.EphemeralEventReceipt:
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go puppet.handleReceiptEvent(portal, evt)
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case event.EphemeralEventTyping:
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go puppet.handleTypingEvent(portal, evt)
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}
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}
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}
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for _, evt := range resp.Presence.Events {
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if evt.Sender != puppet.CustomMXID {
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continue
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}
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err := evt.Content.ParseRaw(evt.Type)
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if err != nil {
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continue
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}
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go puppet.handlePresenceEvent(evt)
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}
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return nil
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}
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func (puppet *Puppet) handlePresenceEvent(event *event.Event) {
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//presence := whatsapp.PresenceAvailable
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//if event.Content.Raw["presence"].(string) != "online" {
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// presence = whatsapp.PresenceUnavailable
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// puppet.customUser.log.Debugln("Marking offline")
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//} else {
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// puppet.customUser.log.Debugln("Marking online")
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//}
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//_, err := puppet.customUser.Conn.Presence("", presence)
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//if err != nil {
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// puppet.customUser.log.Warnln("Failed to set presence:", err)
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//}
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}
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func (puppet *Puppet) handleReceiptEvent(portal *Portal, event *event.Event) {
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//for eventID, receipts := range *event.Content.AsReceipt() {
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// if _, ok := receipts.Read[puppet.CustomMXID]; !ok {
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// continue
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// }
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// message := puppet.bridge.DB.Message.GetByMXID(eventID)
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// if message == nil {
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// continue
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// }
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// puppet.customUser.log.Infofln("Marking %s/%s in %s/%s as read", message.JID, message.MXID, portal.Key.JID, portal.MXID)
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// _, err := puppet.customUser.Conn.Read(portal.Key.JID, message.JID)
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// if err != nil {
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// puppet.customUser.log.Warnln("Error marking read:", err)
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// }
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//}
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}
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func (puppet *Puppet) handleTypingEvent(portal *Portal, evt *event.Event) {
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//isTyping := false
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//for _, userID := range evt.Content.AsTyping().UserIDs {
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// if userID == puppet.CustomMXID {
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// isTyping = true
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// break
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// }
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//}
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//if puppet.customTypingIn[evt.RoomID] != isTyping {
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// puppet.customTypingIn[evt.RoomID] = isTyping
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// presence := whatsapp.PresenceComposing
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// if !isTyping {
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// puppet.customUser.log.Infofln("Marking not typing in %s/%s", portal.Key.JID, portal.MXID)
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// presence = whatsapp.PresencePaused
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// } else {
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// puppet.customUser.log.Infofln("Marking typing in %s/%s", portal.Key.JID, portal.MXID)
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// }
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// _, err := puppet.customUser.Conn.Presence(portal.Key.JID, presence)
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// if err != nil {
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// puppet.customUser.log.Warnln("Error setting typing:", err)
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// }
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//}
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}
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func (puppet *Puppet) tryRelogin(cause error, action string) bool {
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if !puppet.bridge.Config.CanAutoDoublePuppet(puppet.CustomMXID) {
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return false
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}
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puppet.log.Debugfln("Trying to relogin after '%v' while %s", cause, action)
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accessToken, err := puppet.loginWithSharedSecret(puppet.CustomMXID)
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if err != nil {
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puppet.log.Errorfln("Failed to relogin after '%v' while %s: %v", cause, action, err)
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return false
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}
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puppet.log.Infofln("Successfully relogined after '%v' while %s", cause, action)
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puppet.AccessToken = accessToken
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return true
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}
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func (puppet *Puppet) OnFailedSync(res *mautrix.RespSync, err error) (time.Duration, error) {
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puppet.log.Warnln("Sync error:", err)
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if errors.Is(err, mautrix.MUnknownToken) {
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if !puppet.tryRelogin(err, "syncing") {
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return 0, err
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}
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puppet.customIntent.AccessToken = puppet.AccessToken
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return 0, nil
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}
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return 10 * time.Second, err
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}
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func (puppet *Puppet) GetFilterJSON(_ id.UserID) *mautrix.Filter {
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everything := []event.Type{{Type: "*"}}
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return &mautrix.Filter{
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Presence: mautrix.FilterPart{
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Senders: []id.UserID{puppet.CustomMXID},
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Types: []event.Type{event.EphemeralEventPresence},
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},
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AccountData: mautrix.FilterPart{NotTypes: everything},
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Room: mautrix.RoomFilter{
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Ephemeral: mautrix.FilterPart{Types: []event.Type{event.EphemeralEventTyping, event.EphemeralEventReceipt}},
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IncludeLeave: false,
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AccountData: mautrix.FilterPart{NotTypes: everything},
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State: mautrix.FilterPart{NotTypes: everything},
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Timeline: mautrix.FilterPart{NotTypes: everything},
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},
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}
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}
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func (puppet *Puppet) SaveFilterID(_ id.UserID, _ string) {}
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func (puppet *Puppet) SaveNextBatch(_ id.UserID, nbt string) { puppet.NextBatch = nbt; puppet.Update() }
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func (puppet *Puppet) SaveRoom(room *mautrix.Room) {}
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func (puppet *Puppet) LoadFilterID(_ id.UserID) string { return "" }
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func (puppet *Puppet) LoadNextBatch(_ id.UserID) string { return puppet.NextBatch }
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func (puppet *Puppet) LoadRoom(roomID id.RoomID) *mautrix.Room { return nil }
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