Add dependencies/vendor (whatsapp)

vendor/go.mau.fi/whatsmeow/connectionevents.go

@@ -0,0 +1,141 @@
+// Copyright (c) 2021 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 whatsmeow
+
+import (
+	"sync/atomic"
+	"time"
+
+	waBinary "go.mau.fi/whatsmeow/binary"
+	"go.mau.fi/whatsmeow/types"
+	"go.mau.fi/whatsmeow/types/events"
+)
+
+func (cli *Client) handleStreamError(node *waBinary.Node) {
+	atomic.StoreUint32(&cli.isLoggedIn, 0)
+	code, _ := node.Attrs["code"].(string)
+	conflict, _ := node.GetOptionalChildByTag("conflict")
+	conflictType := conflict.AttrGetter().OptionalString("type")
+	switch {
+	case code == "515":
+		cli.Log.Infof("Got 515 code, reconnecting...")
+		go func() {
+			cli.Disconnect()
+			err := cli.Connect()
+			if err != nil {
+				cli.Log.Errorf("Failed to reconnect after 515 code:", err)
+			}
+		}()
+	case code == "401" && conflictType == "device_removed":
+		cli.expectDisconnect()
+		cli.Log.Infof("Got device removed stream error, sending LoggedOut event and deleting session")
+		go cli.dispatchEvent(&events.LoggedOut{OnConnect: false})
+		err := cli.Store.Delete()
+		if err != nil {
+			cli.Log.Warnf("Failed to delete store after device_removed error: %v", err)
+		}
+	case conflictType == "replaced":
+		cli.expectDisconnect()
+		cli.Log.Infof("Got replaced stream error, sending StreamReplaced event")
+		go cli.dispatchEvent(&events.StreamReplaced{})
+	case code == "503":
+		// This seems to happen when the server wants to restart or something.
+		// The disconnection will be emitted as an events.Disconnected and then the auto-reconnect will do its thing.
+		cli.Log.Warnf("Got 503 stream error, assuming automatic reconnect will handle it")
+	default:
+		cli.Log.Errorf("Unknown stream error: %s", node.XMLString())
+		go cli.dispatchEvent(&events.StreamError{Code: code, Raw: node})
+	}
+}
+
+func (cli *Client) handleIB(node *waBinary.Node) {
+	children := node.GetChildren()
+	for _, child := range children {
+		ag := child.AttrGetter()
+		switch child.Tag {
+		case "downgrade_webclient":
+			go cli.dispatchEvent(&events.QRScannedWithoutMultidevice{})
+		case "offline_preview":
+			cli.dispatchEvent(&events.OfflineSyncPreview{
+				Total:          ag.Int("count"),
+				AppDataChanges: ag.Int("appdata"),
+				Messages:       ag.Int("message"),
+				Notifications:  ag.Int("notification"),
+				Receipts:       ag.Int("receipt"),
+			})
+		case "offline":
+			cli.dispatchEvent(&events.OfflineSyncCompleted{
+				Count: ag.Int("count"),
+			})
+		}
+	}
+}
+
+func (cli *Client) handleConnectFailure(node *waBinary.Node) {
+	ag := node.AttrGetter()
+	reason := ag.String("reason")
+	if reason == "401" {
+		cli.expectDisconnect()
+		cli.Log.Infof("Got 401 connect failure, sending LoggedOut event and deleting session")
+		go cli.dispatchEvent(&events.LoggedOut{OnConnect: true})
+		err := cli.Store.Delete()
+		if err != nil {
+			cli.Log.Warnf("Failed to delete store after 401 failure: %v", err)
+		}
+	} else {
+		cli.expectDisconnect()
+		cli.Log.Warnf("Unknown connect failure: %s", node.XMLString())
+		go cli.dispatchEvent(&events.ConnectFailure{Reason: reason, Raw: node})
+	}
+}
+
+func (cli *Client) handleConnectSuccess(node *waBinary.Node) {
+	cli.Log.Infof("Successfully authenticated")
+	cli.LastSuccessfulConnect = time.Now()
+	cli.AutoReconnectErrors = 0
+	atomic.StoreUint32(&cli.isLoggedIn, 1)
+	go func() {
+		if dbCount, err := cli.Store.PreKeys.UploadedPreKeyCount(); err != nil {
+			cli.Log.Errorf("Failed to get number of prekeys in database: %v", err)
+		} else if serverCount, err := cli.getServerPreKeyCount(); err != nil {
+			cli.Log.Warnf("Failed to get number of prekeys on server: %v", err)
+		} else {
+			cli.Log.Debugf("Database has %d prekeys, server says we have %d", dbCount, serverCount)
+			if serverCount < MinPreKeyCount || dbCount < MinPreKeyCount {
+				cli.uploadPreKeys()
+				sc, _ := cli.getServerPreKeyCount()
+				cli.Log.Debugf("Prekey count after upload: %d", sc)
+			}
+		}
+		err := cli.SetPassive(false)
+		if err != nil {
+			cli.Log.Warnf("Failed to send post-connect passive IQ: %v", err)
+		}
+		cli.dispatchEvent(&events.Connected{})
+	}()
+}
+
+// SetPassive tells the WhatsApp server whether this device is passive or not.
+//
+// This seems to mostly affect whether the device receives certain events.
+// By default, whatsmeow will automatically do SetPassive(false) after connecting.
+func (cli *Client) SetPassive(passive bool) error {
+	tag := "active"
+	if passive {
+		tag = "passive"
+	}
+	_, err := cli.sendIQ(infoQuery{
+		Namespace: "passive",
+		Type:      "set",
+		To:        types.ServerJID,
+		Content:   []waBinary.Node{{Tag: tag}},
+	})
+	if err != nil {
+		return err
+	}
+	return nil
+}