增加获取用户信息时的解密函数

abei2017 · Sep 24, 2018 · b15f1b3 · b15f1b3
1 parent ac57b73
commit b15f1b3
Showing 1 changed file with 20 additions and 0 deletions.
diff --git a/src/mini/user/User.php b/src/mini/user/User.php
@@ -34,4 +34,24 @@ public function codeToSession($code){
         $data = $response->getData();
         return $data;
     }
+
+    /**
+     * 解密信息
+     * 主要用于wx.getUserInfo时对加密数据的解密。
+     *
+     * @param $sessionKey
+     * @param $iv
+     * @param $encryptedData
+     * @return mixed
+     * @since 1.3
+     */
+    public function decryptData($sessionKey,$iv,$encryptedData){
+        $aesKey = base64_decode($sessionKey);
+        $aesIV = base64_decode($iv);
+        $aesCipher = base64_decode($encryptedData);
+        $result=openssl_decrypt( $aesCipher, "AES-128-CBC", $aesKey, 1, $aesIV);
+
+        $dataObj = json_decode( $result );
+        return $dataObj;
+    }
 }