Merge pull request #9 from xiashaung/master

支持AES解密
Abbotton · Mar 4, 2019 · 499c3f0 · 499c3f0
2 parents 44ff6ef + af8af64
commit 499c3f0
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diff --git a/aop/AopClient.php b/aop/AopClient.php
@@ -3,6 +3,7 @@
 namespace Alipay;
 
 use Alipay\Exception\AlipayInvalidSignException;
+use Alipay\Exception\AlipayOpenSslException;
 use Alipay\Key\AlipayKeyPair;
 use Alipay\Request\AbstractAlipayRequest;
 use Alipay\Signer\AlipayRSA2Signer;
@@ -256,6 +257,39 @@ public function verify($params = null)
         return true;
     }
 
+    /**
+     * 解密被支付宝加密的敏感数据
+     *
+     * @param string $encryptedData Base64 格式的已加密的数据，如手机号
+     * @param string $encodedKey    Base64 编码后的密钥
+     * @param string $cipher        解密算法，保持默认值即可
+     *
+     * @throws AlipayOpenSslException
+     *
+     * @return string
+     *
+     * @see https://docs.alipay.com/mini/introduce/aes
+     * @see https://docs.alipay.com/mini/introduce/getphonenumber
+     */
+    public static function decrypt($encryptedData, $encodedKey, $cipher = 'aes-128-cbc')
+    {
+        $key = base64_decode($encodedKey);
+        if ($key === false) {
+            throw new AlipayBase64Exception($encodedKey);
+        }
+
+        if (!in_array($cipher, openssl_get_cipher_methods(), true)) {
+            throw new AlipayOpenSslException("Cipher algorithm {$cipher} not available");
+        }
+
+        $result = openssl_decrypt($encryptedData, $cipher, $key);
+        if ($result === false) {
+            throw new AlipayOpenSslException();
+        }
+
+        return $result;
+    }
+
     /**
      * 获取应用 ID
      *

diff --git a/tests/client/ClientTest.php b/tests/client/ClientTest.php
@@ -64,6 +64,33 @@ public function testVerify(AopClient $client, $sign)
         $this->assertFalse($result);
     }
 
+    /**
+     * @depends testCreate
+     */
+    public function testDecrypt(AopClient $client)
+    {
+        $result = $client->decrypt(
+            'h6qnRCccN8vR/IPtKYuTMIZUoDE9ZKp6pB2rrh4BMu8C7rS51ZZFn3aTlPl4i/RxvdS7SkJ+i49uDYfV+u5CKA==',
+            'ZXdCNW9ta1FsRGlVbzQ0TVdXbzJKN001dA=='
+        );
+
+        $this->assertEquals('{"code":"1000","msg":"success","mobile":"12777207727"}', $result);
+    }
+
+    /**
+     * @depends testCreate
+     */
+    public function testDecryptException(AopClient $client)
+    {
+        $this->expectException('Alipay\Exception\AlipayOpenSslException');
+
+        $client->decrypt(
+            'h6qnRCccN8vR/IPtKYuTMIZUoDE9ZKp6pB2rrh4BMu8C7rS51ZZFn3aTlPl4i/RxvdS7SkJ+i49uDYfV+u5CKA==',
+            'ZXdCNW9ta1FsRGlVbzQ0TVdXbzJKN001dA==',
+            'non-existed-cipher'
+        );
+    }
+
     /**
      * @depends testCreate
      */