| | |
| | | * @return 签名 |
| | | * @throws IllegalAccessException |
| | | */ |
| | | public static String getSign(Object o) throws IllegalAccessException { |
| | | public static String getSign(Object o,String paySecret) throws IllegalAccessException { |
| | | ArrayList<String> list = new ArrayList<String>(); |
| | | Class<? extends Object> cls = o.getClass(); |
| | | Field[] fields = cls.getDeclaredFields(); |
| | |
| | | sb.append(arrayToSort[i]); |
| | | } |
| | | String result = sb.toString(); |
| | | result += "key=" + WechatConfigure.key; |
| | | result += "key=" +paySecret; |
| | | Util.log("Sign Before MD5:" + result); |
| | | result = MD5.MD5Encode(result).toUpperCase(); |
| | | Util.log("Sign Result:" + result); |
| | | return result; |
| | | } |
| | | |
| | | public static String getSign(Map<String, Object> map) { |
| | | public static String getSign(Map<String, Object> map,String paySecret) { |
| | | ArrayList<String> list = new ArrayList<String>(); |
| | | for (Map.Entry<String, Object> entry : map.entrySet()) { |
| | | if (entry.getValue() != "") { |
| | |
| | | sb.append(arrayToSort[i]); |
| | | } |
| | | String result = sb.toString(); |
| | | result += "key=" + WechatConfigure.key; |
| | | result += "key=" + paySecret; |
| | | Util.log("Sign Before MD5:" + result); |
| | | result = MD5.MD5Encode(result).toUpperCase(); |
| | | Util.log("Sign Result:" + result); |
| | |
| | | * @throws IOException |
| | | * @throws SAXException |
| | | */ |
| | | public static String getSignFromResponseString(String responseString) |
| | | public static String getSignFromResponseString(String responseString,String paySecret) |
| | | throws IOException, SAXException, ParserConfigurationException { |
| | | Map<String, Object> map = XMLParser.getMapFromXML(responseString); |
| | | // 清掉返回数据对象里面的Sign数据(不能把这个数据也加进去进行签名),然后用签名算法进行签名 |
| | | map.put("sign", ""); |
| | | // 将API返回的数据根据用签名算法进行计算新的签名,用来跟API返回的签名进行比较 |
| | | return Signature.getSign(map); |
| | | return Signature.getSign(map,paySecret); |
| | | } |
| | | |
| | | /** |
| | |
| | | * @throws IOException |
| | | * @throws SAXException |
| | | */ |
| | | public static boolean checkIsSignValidFromResponseString(String responseString) |
| | | public static boolean checkIsSignValidFromResponseString(String responseString,String paySecret) |
| | | throws ParserConfigurationException, IOException, SAXException { |
| | | |
| | | Map<String, Object> map = XMLParser.getMapFromXML(responseString); |
| | |
| | | // 清掉返回数据对象里面的Sign数据(不能把这个数据也加进去进行签名),然后用签名算法进行签名 |
| | | map.put("sign", ""); |
| | | // 将API返回的数据根据用签名算法进行计算新的签名,用来跟API返回的签名进行比较 |
| | | String signForAPIResponse = Signature.getSign(map); |
| | | String signForAPIResponse = Signature.getSign(map,paySecret); |
| | | |
| | | if (!signForAPIResponse.equals(signFromAPIResponse)) { |
| | | // 签名验不过,表示这个API返回的数据有可能已经被篡改了 |
| | |
| | | return true; |
| | | } |
| | | |
| | | public static void main(String[] args) throws ParserConfigurationException, IOException, SAXException { |
| | | System.out.println(checkIsSignValidFromResponseString("<xml><appid><![CDATA[wx13515a9204ea669d]]></appid><attach><![CDATA[35f7170585ad4f09b5109cc985b1eec0]]></attach><bank_type><![CDATA[CFT]]></bank_type><cash_fee><![CDATA[1]]></cash_fee><fee_type><![CDATA[CNY]]></fee_type><is_subscribe><![CDATA[N]]></is_subscribe><mch_id><![CDATA[1486409192]]></mch_id><nonce_str><![CDATA[elqhnr10vzaq0wgalf9njjyqwyd7gyr7]]></nonce_str><openid><![CDATA[o8x8E5lqmD9c5rdsjTQ9KWN4-H40]]></openid><out_trade_no><![CDATA[2018090610284198419]]></out_trade_no><result_code><![CDATA[SUCCESS]]></result_code><return_code><![CDATA[SUCCESS]]></return_code><sign><![CDATA[DD04172CDAA60F834163AF3F5B63BE3F]]></sign><time_end><![CDATA[20180906102853]]></time_end><total_fee>1</total_fee><trade_type><![CDATA[JSAPI]]></trade_type><transaction_id><![CDATA[4200000169201809067369627940]]></transaction_id></xml>")); |
| | | } |
| | | |
| | | |
| | | /** |
| | | * |