148 lines
3.5 KiB
PHP
148 lines
3.5 KiB
PHP
<?php
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namespace app;
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// 应用请求对象类
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use app\http\HttpAuth;
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use app\http\HttpClient;
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use think\exception\ValidateException;
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use think\helper\Macroable;
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/**
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* @method static HttpClient getClient() 获取客户端信息
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*/
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class Request extends \think\Request
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{
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use Macroable;
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/**
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* @var string
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*/
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public string $contextId = '';
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/**
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* @var HttpAuth
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*/
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private readonly HttpAuth $auth;
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/**
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* 设置Auth
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* @param HttpAuth $auth
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* @return Request
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*/
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public function setAuth(HttpAuth $auth): self
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{
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$this->auth = $auth;
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return $this;
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}
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public function getAuth(): ?HttpAuth
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{
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// var_dump($this->auth);
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return $this->auth ?? null;
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}
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public function getBrowser(): string
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{
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return get_agent_browser($this->server('HTTP_USER_AGENT'));
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}
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public function getDevice(): string
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{
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return get_agent_device($this->server('HTTP_USER_AGENT'));
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}
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public function getOs(): string
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{
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return get_agent_os($this->server('HTTP_USER_AGENT'));
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}
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const string DATA_SECRET_KEY = "mySecretKey123!";
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/**
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* 加密数据
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*/
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static function encryptCryptoJSAES($data): string
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{
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// 如果是数组或对象，转换为 JSON 字符串
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if (is_array($data) || is_object($data)) {
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$data = json_encode($data, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
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}
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// 生成随机 salt (8字节)
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$salt = openssl_random_pseudo_bytes(8);
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// 通过 EVP_BytesToKey 派生密钥和 IV
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$keyIv = self::evpBytesToKey($salt);
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$key = $keyIv['key'];
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$iv = $keyIv['iv'];
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// // 添加 PKCS#7 填充
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// $blockSize = 16; // AES 块大小
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// $padding = $blockSize - (strlen($data) % $blockSize);
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// $data .= str_repeat(chr($padding), $padding);
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// AES-256-CBC 加密
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$encrypted = openssl_encrypt(
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$data,
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'aes-256-cbc',
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$key,
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OPENSSL_RAW_DATA,
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$iv
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);
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// 组合 Salted__ + salt + 加密数据
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$result = "Salted__" . $salt . $encrypted;
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// Base64 编码
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return base64_encode($result);
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}
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/**
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* 解密 CryptoJS 加密的数据
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*/
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static function decryptCryptoJSData(string $encryptedData): string
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{
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// Base64解码
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$data = base64_decode($encryptedData);
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// 检查Salted__头
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if (!str_starts_with($data, "Salted__")) {
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throw new ValidateException('Invalid format: missing "Salted__" header');
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}
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// 提取Salt (8字节)
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$salt = substr($data, 8, 8);
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$ct = substr($data, 16);
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// 通过EVP_BytesToKey派生密钥和IV
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$keyIv = self::evpBytesToKey($salt);
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$key = $keyIv['key'];
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$iv = $keyIv['iv'];
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// AES-256-CBC解密
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return openssl_decrypt(
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$ct,
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'aes-256-cbc',
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$key,
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OPENSSL_RAW_DATA,
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$iv
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);
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}
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static private function evpBytesToKey($salt): array
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{
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$password = self::DATA_SECRET_KEY;
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$bytes = '';
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$last = '';
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// 生成48字节：32字节key + 16字节IV
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while(strlen($bytes) < 48) {
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$last = md5($last . $password . $salt, true);
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$bytes .= $last;
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}
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return [
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'key' => substr($bytes, 0, 32),
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'iv' => substr($bytes, 32, 16)
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];
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}
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}
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