정보 스누핑 공격을 방어하기 위한 모범 사례를 개발하기 위해 PHP 및 Vue.js를 사용하는 방법을 가르칩니다.

function encrypt($data, $key) {
    $iv = openssl_random_pseudo_bytes(openssl_cipher_iv_length('AES-256-CBC'));
    $encrypted = openssl_encrypt($data, 'AES-256-CBC', $key, OPENSSL_RAW_DATA, $iv);
    return base64_encode($iv . $encrypted);
}

function decrypt($data, $key) {
    $data = base64_decode($data);
    $iv = substr($data, 0, openssl_cipher_iv_length('AES-256-CBC'));
    $encrypted = substr($data, openssl_cipher_iv_length('AES-256-CBC'));
    return openssl_decrypt($encrypted, 'AES-256-CBC', $key, OPENSSL_RAW_DATA, $iv);
}

import CryptoJS from 'crypto-js';

function encrypt(data, key) {
    const encrypted = CryptoJS.AES.encrypt(data, key).toString();
    return encrypted;
}

function decrypt(data, key) {
    const decrypted = CryptoJS.AES.decrypt(data, key).toString(CryptoJS.enc.Utf8);
    return decrypted;
}

$email = $_POST['email'];

if (filter_var($email, FILTER_VALIDATE_EMAIL)) {
    $filteredEmail = htmlspecialchars($email);
    // 处理验证通过的邮箱数据
} else {
    // 处理验证失败的情况
}

function validateEmail(email) {
    const emailRegex = /^[^s@]+@[^s@]+.[^s@]+$/;
    return emailRegex.test(email);
}

const inputEmail = 'example@test.com';

if (validateEmail(inputEmail)) {
    // 处理验证通过的邮箱数据
} else {
    // 处理验证失败的情况
}

session_start();

// 进行用户身份验证过程
$isAuthenticated = true; // 假设身份验证通过

if ($isAuthenticated) {
    $_SESSION['auth'] = true;
    // 其他用户信息存储在session中
} else {
    $_SESSION['auth'] = false;
    // 身份验证失败的处理
}

session_start();

if ($_SESSION['auth']) {
    // 用户已登录，有访问权限
} else {
    // 用户未登录或访问权限不足的处理
}

import router from 'vue-router';

router.beforeEach((to, from, next) => {
    const isAuthenticated = true; // 假设身份验证通过

    if (to.meta.requiresAuth && !isAuthenticated) {
        next('/login');
    } else {
        next();
    }
});