php 邮箱激活

<?php
// 数据库连接
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "myDB";

$conn = new mysqli($servername, $username, $password, $dbname);

if ($conn->connect_error) {
    die("连接失败: " . $conn->connect_error);
}

// 发送激活邮件
function sendActivationEmail($email, $activationLink) {
    $to = $email;
    $subject = "激活您的账户";
    $message = "请点击以下链接激活您的账户: " . $activationLink;
    $headers = "From: noreply@example.com";

    mail($to, $subject, $message, $headers);
}

// 生成激活链接
function generateActivationLink($userId) {
    $secretKey = "yourSecretKey";
    $expirationTime = time() + 3600; // 1小时后过期
    $token = hash('sha256', $userId . $secretKey . $expirationTime);
    return "https://example.com/activate.php?token=" . $token . "&exp=" . $expirationTime;
}

// 用户注册
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    $email = $_POST['email'];
    $password = password_hash($_POST['password'], PASSWORD_DEFAULT);

    // 插入用户数据到数据库
    $sql = "INSERT INTO users (email, password, activated) VALUES ('$email', '$password', 0)";
    if ($conn->query($sql) === TRUE) {
        $userId = $conn->insert_id;
        $activationLink = generateActivationLink($userId);
        sendActivationEmail($email, $activationLink);
        echo "激活邮件已发送，请检查您的邮箱。";
    } else {
        echo "Error: " . $sql . "<br>" . $conn->error;
    }
}

$conn->close();
?>