/**
* @throws Exception
* <p>Description:解密URL请求的参数<br>
* @author 胡建盼
* @version 0.1 2014年10月15日
* @param map void
* @throws
*/
public static Map<String, String> buildDecryptionParameter(
Map<String, String> map, String askMode, String timestamp) throws Exception {
Map<String, String> returnMap = new TreeMap<String, String>();
StringBuilder paramsUncoded = new StringBuilder(map.size() * 16);
StringBuilder paramsDecoded = new StringBuilder(map.size() * 16);
returnMap.put("timestamp", timestamp);
for (Map.Entry<String, String> entry : map.entrySet()) {
String key = entry.getKey();
// sign参数放在最后
if (!"sign".equals(key) && !"timestamp".equals(key)) {
String value = null;
if (TZJConstants.GET_URL.equals(askMode)) { // GET 请求
value =
DES3.decryptModeTzj(
new String(((entry.getValue()).getBytes(EncapUrlParameter.UTF_8_CHARSET))),
timestamp);
} else if (TZJConstants.POST_URL.equals(askMode)) {
value =
DES3.decryptModeTzj(
new String((entry.getValue().getBytes(EncapUrlParameter.UTF_8_CHARSET))),
timestamp);
}
paramsUncoded.append(key).append("=").append(value).append("&");
paramsDecoded.append(key).append("=").append(value).append("&");
returnMap.put(key, value);
}
}
/** 计算MD5值 */
String src =
new String(
paramsUncoded
.toString()
.substring(0, paramsUncoded.toString().length() - 1)
.getBytes(UTF_8_CHARSET),
UTF_8_CHARSET);
String paramDM5 = EncryptMD5.toMD5(src);
paramsDecoded.append("sign").append("=").append(paramDM5);
// 校验MD5值是否正确
if (paramDM5.equals(map.get("sign"))) {
returnMap.put("sign", paramDM5);
} else {
returnMap.put("sign", null);
}
return returnMap;
}
/**
* Description:构造URL请求的加密参数<br>
*
* @author 胡建盼
* @version 0.1 2014年10月15日
* @param map
* @return
* @throws Exception String
*/
public static String buildEncryptParameter(
Map<String, String> map, String askMode, String timestamp) throws Exception {
StringBuilder paramsUncoded = new StringBuilder(map.size() * 16);
StringBuilder paramsEncoded = new StringBuilder(map.size() * 16);
for (Map.Entry<String, String> entry : map.entrySet()) {
// sign参数放在最后
if (!"sign".equals(entry.getKey()) && !"timestamp".equals(entry.getKey())) {
paramsUncoded.append(entry.getKey()).append("=").append(entry.getValue()).append("&");
if (TZJConstants.GET_URL.equals(askMode)) { // GET 请求
paramsEncoded
.append(entry.getKey())
.append("=")
//
.append(
URLEncoder.encode(
new String(
(DES3.encryptModeTzj(entry.getValue(), timestamp)
.getBytes(EncapUrlParameter.UTF_8_CHARSET))),
EncapUrlParameter.UTF_8_CHARSET))
.append("&");
} else if (TZJConstants.POST_URL.equals(askMode)) { // POST 请求
paramsEncoded
.append(entry.getKey())
.append("=")
.append(
new String(
(DES3.encryptModeTzj(entry.getValue(), timestamp)
.getBytes(EncapUrlParameter.UTF_8_CHARSET))))
.append("&");
}
}
}
final String substring =
new String(
paramsUncoded
.toString()
.substring(0, paramsUncoded.toString().length() - 1)
.getBytes(UTF_8_CHARSET),
UTF_8_CHARSET);
paramsEncoded.append("sign").append("=").append(EncryptMD5.toMD5(substring));
paramsEncoded.append("timestamp").append("=").append(timestamp);
System.out.println(paramsEncoded.toString());
return paramsEncoded.toString();
}