telegram-login-widget-demo/index.html at master · 7azmi/telegram-login-widget-demo · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Telegram Login Demo</title>
    <style>
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            background-color: #f4f4f9;
            color: #333;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin: 0;
            text-align: center;
        }
        .container {
            background: white;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
            max-width: 500px;
            width: 90%;
        }
        h1 {
            color: #2aabee; /* Telegram Blue */
        }
        p {
            line-height: 1.6;
        }
        #user-info {
            margin-top: 20px;
            text-align: left;
            background-color: #f0f0f0;
            padding: 15px;
            border-radius: 8px;
            word-wrap: break-word;
        }
        pre {
            white-space: pre-wrap;
        }
    </style>
</head>
<body>

<div class="container">
    <h1>Telegram Login Widget Demo 🚀</h1>
    <p>Click the button below. You will be prompted to authorize this website through your Telegram account. No server backend is needed for this demo; all data is handled directly by your browser.</p>

    <div id="telegram-login-button">
        <script async src="https://telegram.org/js/telegram-widget.js?22"
                data-telegram-login="lettelegramdotheworkBot"
                data-size="large"
                data-onauth="onTelegramAuth(user)"
                data-request-access="write"></script>
    </div>

    <div id="user-info" style="display:none;">
        <h2>✅ Welcome!</h2>
        <p>Here is the user object your browser received from Telegram:</p>
        <pre id="user-data"></pre>
    </div>
</div>

<script type="text/javascript">
    // This function is called by the Telegram widget after successful authorization.
    function onTelegramAuth(user) {
        // Hide the login button
        document.getElementById('telegram-login-button').style.display = 'none';

        // Show the user info container
        const userInfoDiv = document.getElementById('user-info');
        userInfoDiv.style.display = 'block';

        // Display the user data as a formatted JSON string
        const userDataPre = document.getElementById('user-data');
        userDataPre.textContent = JSON.stringify(user, null, 2);
    }
</script>

</body>
</html>