test decrypt

composer.json

@@ -18,13 +18,13 @@
     "require": {
         "omnipay/common": "^3.0",
         "symfony/http-client": "^6.4",
-        "phpseclib/phpseclib": "^3.0"
+        "phpseclib/phpseclib": "^3.0",
+        "http-interop/http-factory-guzzle": "^1.2"
     },
     "require-dev": {
         "roave/security-advisories": "dev-latest",
         "omnipay/tests": "^3.0|^4.0",
-        "squizlabs/php_codesniffer": "^3",
-        "http-interop/http-factory-guzzle": "^1.2"
+        "squizlabs/php_codesniffer": "^3"
     },
     "autoload": {
         "psr-4": {

src/Encryptor.php

@@ -43,4 +43,11 @@ private static function getKeySize($key)
             'Key of size '.$length.' not supported by this algorithm. Only keys of sizes 128, 192 or 256 supported'
         );
     }
+
+    public function decrypt($plainText)
+    {
+        return json_decode($this->cipher->decrypt(
+            base64_decode($plainText)
+        ), true);
+    }
 }

src/Message/XWallet/PurchaseRequest.php

@@ -12,6 +12,7 @@ class PurchaseRequest extends AbstractRequest
 
     /**
      * 特店訂單編號
+     *
      * @param  string  $value
      */
     public function setFirmOrderNo($value)
@@ -29,6 +30,7 @@ public function getFirmOrderNo()
 
     /**
      * 支付方式 1：信用卡2、虛擬
+     *
      * @param  int  $value
      */
     public function setPayType($value)
@@ -46,6 +48,7 @@ public function getPayType()
 
     /**
      * 金額
+     *
      * @param  int  $value
      */
     public function setPrice($value)
@@ -55,6 +58,7 @@ public function setPrice($value)
 
     /**
      * @return string
+     *
      * @throws InvalidRequestException
      */
     public function getPrice()
@@ -64,6 +68,7 @@ public function getPrice()
 
     /**
      * 消費者手機
+     *
      * @param  string  $value
      */
     public function setMobile($value)

tests/EncryptorTest.php

@@ -8,6 +8,7 @@
 class EncryptorTest extends TestCase
 {
     private $key = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
+
     private $iv = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
 
     public function testEncrypt()
@@ -26,6 +27,20 @@ public function testEncrypt()
         self::assertEquals($this->opensslEncrypt($data), $encryptor->encrypt($data));
     }
 
+    public function testDecrypt()
+    {
+        $data = 'u4OlyM8T0QFQPQkL8XhzfzbRQgoPeJauC/hntXPi7Mt2koLqMbjzRbOCOWOwkIgDYTyGgtCrigF0yJ9vP0eKYPjwQUspyhVKdUK6+RVTBE4aBX998OOJ+zwxO0c8f5ZJ';
+
+        $encryptor = new Encryptor($this->key, $this->iv);
+
+        self::assertEquals([
+            'FirmOrderNo' => 'test202308301722001',
+            'o_PayNo' => '460199********8103',
+            'o_PriceReal' => 100,
+        ], $encryptor->decrypt($data));
+        self::assertEquals($this->opensslDecrypt($data), $encryptor->decrypt($data));
+    }
+
     private function opensslEncrypt($data)
     {
         $data = json_encode($data);
@@ -34,4 +49,16 @@ private function opensslEncrypt($data)
 
         return base64_encode($hash);
     }
+
+    /**
+     * @return mixed
+     */
+    private function opensslDecrypt(string $data)
+    {
+        $HashIv = substr($this->iv, 0, 16);
+        $str = base64_decode($data);
+        $str = openssl_decrypt($str, 'aes-256-cbc', $this->key, OPENSSL_RAW_DATA, $HashIv);
+
+        return json_decode($str, true);
+    }
 }