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whatsapp.go
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whatsapp.go
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package main
import (
"context"
"encoding/json"
"fmt"
"mime"
"os"
"strings"
"sync/atomic"
"time"
qrcode "github.com/skip2/go-qrcode"
"go.mau.fi/whatsmeow"
"go.mau.fi/whatsmeow/appstate"
"go.mau.fi/whatsmeow/store/sqlstore"
"go.mau.fi/whatsmeow/types"
"go.mau.fi/whatsmeow/types/events"
waLog "go.mau.fi/whatsmeow/util/log"
_ "modernc.org/sqlite"
)
var (
historySyncID int32
startupTime = time.Now().Unix()
log waLog.Logger
cli *whatsmeow.Client
)
func WAConnect() (*whatsmeow.Client, error) {
container, err := sqlstore.New("sqlite", "file:db/examplestore.db?_pragma=foreign_keys(1)", waLog.Noop)
if err != nil {
return nil, err
}
deviceStore, err := container.GetFirstDevice()
if err != nil {
panic(err)
}
// debugLogs := false
// logLevel := "INFO"
// if debugLogs {
// logLevel = "DEBUG"
// }
// log = waLog.Stdout("Main", logLevel, true)
cli = whatsmeow.NewClient(deviceStore, log)
// fmt.Println("aca")
if cli.Store.ID == nil {
// No ID stored, new login
qrChan, err := cli.GetQRChannel(context.Background())
if err != nil {
log.Debugf("Debug",err)
}
err = cli.Connect()
if err != nil {
log.Debugf("Debug",err)
}
// fmt.Println("Test")
for evt := range qrChan {
log.Infof("Debug",evt.Event == "code")
if evt.Event == "code" {
err := qrcode.WriteFile(evt.Code, qrcode.Medium, 256, "qr.png")
if err != nil {
log.Debugf("Failed to get device",err)
}
} else {
fmt.Println("Login event:", evt.Event)
}
}
} else {
err := cli.Connect()
if err != nil {
// fmt.Println("3", err)
return nil, err
}
}
// cli.AddEventHandler(handler)
return cli, nil
}
func handler(rawEvt interface{}) {
switch evt := rawEvt.(type) {
case *events.AppStateSyncComplete:
if len(cli.Store.PushName) > 0 && evt.Name == appstate.WAPatchCriticalBlock {
err := cli.SendPresence(types.PresenceAvailable)
if err != nil {
log.Warnf("Failed to send available presence: %v", err)
} else {
log.Infof("Marked self as available")
}
}
case *events.Connected, *events.PushNameSetting:
if len(cli.Store.PushName) == 0 {
return
}
// Send presence available when connecting and when the pushname is changed.
// This makes sure that outgoing messages always have the right pushname.
err := cli.SendPresence(types.PresenceAvailable)
if err != nil {
log.Warnf("Failed to send available presence: %v", err)
} else {
log.Infof("Marked self as available")
}
case *events.StreamReplaced:
os.Exit(0)
case *events.Message:
if evt.Info.Timestamp.Unix() > startupTime {
metaParts := []string{fmt.Sprintf("pushname: %s", evt.Info.PushName), fmt.Sprintf("timestamp: %s", evt.Info.Timestamp)}
if evt.Info.Type != "" {
metaParts = append(metaParts, fmt.Sprintf("type: %s", evt.Info.Type))
}
if evt.Info.Category != "" {
metaParts = append(metaParts, fmt.Sprintf("category: %s", evt.Info.Category))
}
if evt.IsViewOnce {
metaParts = append(metaParts, "view once")
}
if evt.IsViewOnce {
metaParts = append(metaParts, "ephemeral")
}
log.Infof("Received message %s from %s (%s): %s", evt.Info.ID, evt.Info.SourceString(), strings.Join(metaParts, ", "), evt.Message.GetConversation())
if !strings.Contains(evt.Message.GetConversation(), "status@broadcast") {
img := evt.Message.GetImageMessage()
if img != nil {
data, err := cli.Download(img)
if err != nil {
log.Errorf("Failed to download image: %v", err)
return
}
exts, _ := mime.ExtensionsByType(img.GetMimetype())
path := fmt.Sprintf("images/%s%s", evt.Info.ID, exts[0])
err = os.WriteFile(path, data, 0600)
if err != nil {
log.Errorf("Failed to save image: %v", err)
return
}
log.Infof("Saved image in message to %s", path)
}
}
}
case *events.Receipt:
if evt.Type == types.ReceiptTypeRead || evt.Type == types.ReceiptTypeReadSelf {
log.Infof("%v was read by %s at %s", evt.MessageIDs, evt.SourceString(), evt.Timestamp)
} else if evt.Type == types.ReceiptTypeDelivered {
log.Infof("%s was delivered to %s at %s", evt.MessageIDs[0], evt.SourceString(), evt.Timestamp)
}
case *events.Presence:
if evt.Unavailable {
if evt.LastSeen.IsZero() {
log.Infof("%s is now offline", evt.From)
} else {
log.Infof("%s is now offline (last seen: %s)", evt.From, evt.LastSeen)
}
} else {
log.Infof("%s is now online", evt.From)
}
case *events.HistorySync:
id := atomic.AddInt32(&historySyncID, 1)
fileName := fmt.Sprintf("history-%d-%d.json", startupTime, id)
file, err := os.OpenFile(fileName, os.O_WRONLY|os.O_CREATE, 0600)
if err != nil {
log.Errorf("Failed to open file to write history sync: %v", err)
return
}
enc := json.NewEncoder(file)
enc.SetIndent("", " ")
err = enc.Encode(evt.Data)
if err != nil {
log.Errorf("Failed to write history sync: %v", err)
return
}
log.Infof("Wrote history sync to %s", fileName)
_ = file.Close()
case *events.AppState:
log.Debugf("App state event: %+v / %+v", evt.Index, evt.SyncActionValue)
}
}