FastMovieAI AI短剧创作平台二开基线

- 源码: xhadmincn/FastMovieAI (Apache 2.0) - 二开: Docker部署, Swoole改Select, route.php修复, 补update/VERSION - vendor/示例资源已gitignore
2026-08-26 18:37:36 +08:00
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+<?php
+
+namespace app\expose\utils;
+
+use \Exception;
+
+/**
+ * RAS加解密
+ */
+class Rsa
+{
+    /**
+     * 解密
+     *
+     * @param string 加密后的字符串
+     * @param string 私钥，可以是文件路径
+     * @return object
+     */
+    public static function decrypt($token, $rsa_privatekey)
+    {
+        if (file_exists($rsa_privatekey)) {
+            $rsa_privatekey = @file_get_contents($rsa_privatekey);
+        }
+        if (empty($rsa_privatekey)) {
+            throw new Exception('私钥为空');
+        }
+        $split = str_split($token, 172); // 1024 bit  固定172
+        $crypto = '';
+        foreach ($split as $chunk) {
+            $isOkay = openssl_private_decrypt(base64_decode($chunk), $decryptData, $rsa_privatekey); // base64在这里使用，因为172字节是一组，是encode来的
+            if (!$isOkay) {
+                throw new Exception("解密失败");
+            }
+            $crypto .= $decryptData;
+        }
+        if (!$crypto) {
+            throw new Exception("解密失败");
+        }
+        return json_decode(base64_decode($crypto));
+    }
+    /**
+     * 加密
+     *
+     * @param mixed 可被json序列化的数据
+     * @param string 公钥，可以是文件路径
+     * @return string
+     */
+    public static function encrypt(mixed $data, string $rsa_publickey)
+    {
+        if (file_exists($rsa_publickey)) {
+            $rsa_publickey = @file_get_contents($rsa_publickey);
+        }
+        if (empty($rsa_publickey)) {
+            throw new Exception('公钥为空');
+        }
+        $data = base64_encode(json_encode($data));
+        $split = str_split($data, 117); // 1024 bit && OPENSSL_PKCS1_PADDING  不大于117即可
+        $crypto = '';
+        foreach ($split as $chunk) {
+            $isOkay = openssl_public_encrypt($chunk, $encryptData, $rsa_publickey);
+            if (!$isOkay) {
+                throw new Exception("加密失败");
+            }
+            $crypto .= base64_encode($encryptData);
+        }
+        return $crypto;
+    }
+    /**
+     * 创建一对公钥私钥
+     *
+     * @return array
+     */
+    public static function createKey()
+    {
+        $res = openssl_pkey_new([
+            "private_key_bits" => 2048,
+            "private_key_type" => OPENSSL_KEYTYPE_RSA
+        ]);
+        openssl_pkey_export($res, $privKey);
+        $pubKey = openssl_pkey_get_details($res);
+        return [
+            'privatekey' => $privKey,
+            'publickey' => $pubKey["key"]
+        ];
+    }
+    # 以下是数字加密解密
+    const PASSWORD = 'MAW512P89WIAUW9G7OHQWVGAPX51WPSN';
+    /**
+     * 数字加密函数
+     *
+     * @param int $number
+     * @param string $password
+     * @return string
+     */
+    public static function encryptNumber(int $number, string $password = '')
+    {
+        // 生成随机的初始向量
+        $iv = openssl_random_pseudo_bytes(openssl_cipher_iv_length('aes-256-cbc'));
+        $password = $password ?: self::PASSWORD;
+        // 加密数字
+        $encrypted = openssl_encrypt($number, 'aes-256-cbc', $password, 0, $iv);
+
+        // 将初始向量和加密后的数据进行编码并拼接起来
+        $encoded = base64_encode($iv . $encrypted);
+
+        return $encoded;
+    }
+    /**
+     * 数字解密函数
+     *
+     * @param string $encrypted
+     * @param string $password
+     * @return int
+     */
+    public static function decryptNumber(string $encrypted, string $password = '')
+    {
+        // 解码加密后的数据
+        $decoded = base64_decode($encrypted);
+
+        // 提取初始向量和加密后的数据
+        $ivLength = openssl_cipher_iv_length('aes-256-cbc');
+        $iv = substr($decoded, 0, $ivLength);
+        $encryptedData = substr($decoded, $ivLength);
+
+        $password = $password ?: self::PASSWORD;
+
+        // 解密数据
+        $decrypted = openssl_decrypt($encryptedData, 'aes-256-cbc', $password, 0, $iv);
+
+        return $decrypted;
+    }
+}