whatsapp js web api #js

.gitignore

/node_modules/
/.wwebjs_auth/
/.wwebjs_cache/
/package-lock.json

.README.MD

• node --version // >= 23
• npm init -y
• npm install whatsapp-web.js
• npm install qrcode-terminal
• node --no-deprecation script.js

script.js

const { Client, LocalAuth } = require('whatsapp-web.js');
const qrcode = require('qrcode-terminal');
const fs = require('fs');

const client = new Client({
    authStrategy: new LocalAuth({ clientId: 'custom-session' }),
    puppeteer: {
        headless: true,
        args: [
            '--no-sandbox',
            '--disable-setuid-sandbox',
            '--disable-gpu',
            '--disable-dev-shm-usage',
            '--disable-setuid-sandbox',
            '--no-first-run',
            '--no-sandbox',
            '--no-zygote',
            '--single-process'
        ],
        defaultViewport: {
            width: 1920,
            height: 1080
        }
    }
});

client.on('qr', async qr => {
    console.log('QR-Code erhalten!');
    qrcode.generate(qr, { small: true }, function (qrcode) {
      	console.log(qrcode);
        console.log('Schreibe Datei...');
        fs.writeFileSync(
            'qr.json',
            JSON.stringify({
                success: true,
                data: { img: qrcode }
            })
        );
        fs.writeFileSync(
            'status.json',
            JSON.stringify({
                success: true,
                message: 'finished'
            })
        );
    });
});

client.on('ready', async () => {
    console.log('Client ist bereit!');

  	// send message
    let recipient = '[email protected]';
    await client.sendMessage(recipient, '🤖 test 🤖');
    let media = MessageMedia.fromFilePath('dummy.pdf');
    let response = await client.sendMessage(recipient, media, { caption: '🤖 media file 🤖' });
  
    // fetch messages
  	let data = [];
    let chats = await client.getChats();
    for (let chat of chats) {
        let messages = await chat.fetchMessages({ limit: 50 });
        messages.forEach(messages__value => {
          data.push(messages__value);
        });
    }
    fs.writeFileSync('data.json', JSON.stringify({ success: true, data: data }));
    fs.writeFileSync(
        'status.json',
        JSON.stringify({
            success: true,
            message: 'finished'
        })
    );
  	await client.destroy();
    process.exit();
});

fs.writeFileSync(
    'status.json',
    JSON.stringify({
        success: true,
        message: 'initializing'
    })
);
client.initialize();

// limit timeout
setTimeout(async () => {
  	await client.destroy();
    process.exit();
}, 120000);

script.php

$whatsapp_folder = $_SERVER['DOCUMENT_ROOT'] . '/path/to/script';

@unlink($whatsapp_folder . '/status.json');
@unlink($whatsapp_folder . '/qr.json');
@unlink($whatsapp_folder . '/data.json');

if(PHP_OS_FAMILY === 'Windows') {
  	define('NODE_PATH', '"C:\Program Files\nodejs\node"');
    file_put_contents($whatsapp_folder . '/run.bat', '@echo off' . PHP_EOL . 'cd /d ' . $whatsapp_folder . '' . PHP_EOL . 'start /B "" ' . NODE_PATH . ' script.js > NUL 2>&1' );
    pclose(popen('start /B cmd /c ' . $whatsapp_folder . '/run.bat', 'r'));
}
else {
  	define('NODE_PATH', '/root/.nvm/versions/node/v23.5.0/bin/node');
	shell_exec('cd ' . $whatsapp_folder . ' && ' . NODE_PATH . ' --no-deprecation script.js > /dev/null 2>&1 &');
}

while (
    !file_exists($whatsapp_folder . '/status.json') ||
    strpos(json_decode(file_get_contents($whatsapp_folder . '/status.json'))->message, 'finished') === false
) {
    sleep(1);
}

if (file_exists($whatsapp_folder . '/qr.json')) {
    echo 'QR-Code scannen, um Zugriff zu erhalten!' .
        '<br/>' ;
    echo 'Nach dem Scannen bitte mind. 1 Minute warten, bevor das Script erneut ausgeführt wird!' . '<br/>';
    echo '<textarea style="width: 500px;height: 500px;">';
    echo json_decode(file_get_contents($whatsapp_folder . '/qr.json'))->data->img;
    echo '</textarea>';
  	echo '<br/>';
    @unlink($whatsapp_folder . '/qr.json');
} else {
    echo 'Kein QR-Code vorhanden!<br/>';
}

if (file_exists($whatsapp_folder . '/data.json')) {
    $data = json_decode(file_get_contents($whatsapp_folder . '/data.json'));
    foreach ($data as $data__value) {
        print_r($data__value);
    }
} else {
    echo 'Keine Daten vorhanden!<br/>';
}

@unlink($whatsapp_folder . '/status.json');
@unlink($whatsapp_folder . '/qr.json');
@unlink($whatsapp_folder . '/data.json');