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Java Http接口加簽、驗(yàn)簽操作方法

 更新時間：2016年11月25日 09:49:39   投稿：jingxian  
下面小編就為大家?guī)硪黄狫ava Http接口加簽、驗(yàn)簽操作方法。小編覺得挺不錯的，現(xiàn)在就分享給大家，也給大家做個參考。一起跟隨小編過來看看吧

1、業(yè)務(wù)背景

最近接觸了一些電商業(yè)務(wù)，發(fā)現(xiàn)在處理電商業(yè)務(wù)接口時，比如淘寶、支付類接口，接口雙方為了確保數(shù)據(jù)參數(shù)在傳輸過程中未經(jīng)過篡改，都需要對接口數(shù)據(jù)進(jìn)行加簽，然后在接口服務(wù)器端對接口參數(shù)進(jìn)行驗(yàn)簽，確保兩個簽名是一樣的，驗(yàn)簽通過之后再進(jìn)行業(yè)務(wù)邏輯處理。我們這里主要介紹一下處理思路，至于簽名算法我不做過多介紹，網(wǎng)上一大堆。

2、處理思路

雙方約定好，參數(shù)按特定順序排列，比如按首字母的順序排列，如url:http://xxx/xxx.do?a=wersd&b=sd2354&c=4&signature=XXXXXXXXXXXX(signature為傳入的簽名)，等你拿到入?yún)⒑?，將參?shù)串a(chǎn)=wersd&b=sd2354&c=4按你們約定的簽名規(guī)則，自己用md5加簽一次，然后和入?yún)⒌膕ignature值對比，以確認(rèn)調(diào)用者是否合法，這就是接口簽名驗(yàn)證的思路。

3、實(shí)例練習(xí)

接口雙方經(jīng)過溝通，對接口達(dá)成如下共識：

1、注意事項(xiàng)，主要指接口的的協(xié)議、傳入?yún)?shù)類型、簽名算法、文件格式等說明

2、下面是一個電商業(yè)務(wù)接口的真實(shí)案例，雙方約定好了接口URL、業(yè)務(wù)參數(shù)、固定參數(shù)、簽名以及返回?cái)?shù)據(jù)格式

接口調(diào)用時，接口調(diào)用方代碼如下(僅供參考)：
package com.pcmall;

import java.io.BufferedReader;					
import java.io.DataOutputStream;					
import java.io.IOException;					
import java.io.InputStreamReader;					
import java.io.UnsupportedEncodingException;					
import java.net.HttpURLConnection;					
import java.net.URL;					
import java.net.URLEncoder;					
import java.security.MessageDigest;					
import java.security.NoSuchAlgorithmException;					
import java.util.ArrayList;					
import java.util.Collections;					
import java.util.Iterator;					
import java.util.List;					
import java.util.Map;					
import java.util.TreeMap;
					
public class APITest {					
  static String TEST_URL = "待定";					
  static String TEST_KEY = "待定";					
  static String TEST_SEC = "待定";					
  					
  public static void main(String[] args) throws UnsupportedEncodingException, NoSuchAlgorithmException {					
    String result = getResult(TEST_URL, getReqParam());					
    System.out.print(result);					
  }					
					
  private static String getReqParam() throws UnsupportedEncodingException, NoSuchAlgorithmException {					
  	TreeMap<String, String> req = new TreeMap<String, String>();			
    req.put("a", TEST_KEY);					
    req.put("f", "json");					
    req.put("l", "zh_CN");					
    req.put("m", "zhongan.repair.query");					
    req.put("v", "1.0");					
    req.put("i", "" + System.currentTimeMillis() / 1000);					
    req.put("params", "{\"assignNo\":\"TEST018\"}");					
    req.put("s", sign(req, null, TEST_SEC));					
    					
    StringBuilder param = new StringBuilder();					
    for (Iterator<Map.Entry<String, String>> it = req.entrySet().iterator(); it.hasNext();) {					
      Map.Entry<String, String> e = it.next();					
      param.append("&").append(e.getKey()).append("=").append(URLEncoder.encode(e.getValue(), "UTF-8"));					
    }					
    					
    return param.toString().substring(1);					
  }					
  					
  private static String sign(Map<String, String> paramValues, List<String> ignoreParamNames, String secret) throws NoSuchAlgorithmException, UnsupportedEncodingException {					
    StringBuilder sb = new StringBuilder();					
    List<String> paramNames = new ArrayList<String>(paramValues.size());					
    paramNames.addAll(paramValues.keySet());					
    if (ignoreParamNames != null && ignoreParamNames.size() > 0) {					
      for (String ignoreParamName : ignoreParamNames) {					
        paramNames.remove(ignoreParamName);					
      }					
    }					
    Collections.sort(paramNames);					
    					
    sb.append(secret);					
    for (String paramName : paramNames) {					
      sb.append(paramName).append(paramValues.get(paramName));					
    }					
    sb.append(secret);					
					
    MessageDigest md = MessageDigest.getInstance("SHA-1");					
    return byte2hex(md.digest(sb.toString().getBytes("UTF-8")));					
  }					
  					
  private static String byte2hex(byte[] bytes) {					
    StringBuilder sign = new StringBuilder();					
    for (int i = 0; i < bytes.length; i++) {					
      String hex = Integer.toHexString(bytes[i] & 0xFF);					
      if (hex.length() == 1) {					
        sign.append("0");					
      }					
      sign.append(hex.toUpperCase());					
    }					
    return sign.toString();					
  }					
  					
  private static String getResult(String urlStr, String content) {					
    URL url = null;					
    HttpURLConnection connection = null;					
    try {					
      url = new URL(urlStr);					
      connection = (HttpURLConnection) url.openConnection();					
      connection.setDoOutput(true);					
      connection.setDoInput(true);					
      connection.setRequestMethod("POST");					
      connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded;charset=UTF-8");					
      connection.setUseCaches(false);					
      connection.connect();					
      					
      DataOutputStream out = new DataOutputStream(connection.getOutputStream());					
      out.write(content.getBytes("UTF-8"));					
      out.flush();					
      out.close();					
      					
      BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream(), "UTF-8"));					
      StringBuffer buffer = new StringBuffer();					
      String line = "";					
      while ((line = reader.readLine()) != null) {					
        buffer.append(line);					
      }					
      reader.close();					
					
      return buffer.toString();					
    } catch (IOException e) {					
      e.printStackTrace();					
    } finally {					
      if (connection != null) {					
        connection.disconnect();					
      }					
    }					
    					
    return null;					
  }	
  
  
}

服務(wù)器端代碼如下(僅供參考)：

@RequestMapping("/repairTakeOrder")
	@ResponseBody
	public ResponseVO repairTakeOrder(@RequestBody String jsonStr) {
		logger.info("repairTakeOrder入?yún)ⅲ? + jsonStr);

		ResponseVO responseVO = null;
		try {
			RepairOrder repairOrder = JackJsonUtil.toBean(jsonStr,
					RepairOrder.class);
			TreeMap<String, String> paramsMap = new TreeMap<String, String>();
			paramsMap.put("gsxx01", repairOrder.getGsxx01());
			paramsMap.put("orderType", repairOrder.getOrderType().toString());
			paramsMap.put("serviceNo", repairOrder.getServiceNo());
			paramsMap.put("vipCard", repairOrder.getVipCard());
			paramsMap.put("customerName", repairOrder.getCustomerName());
			paramsMap.put("customerPhone", repairOrder.getCustomerPhone());
			paramsMap.put("customerTel", repairOrder.getCustomerTel());
			paramsMap.put("province", repairOrder.getProvince());
			paramsMap.put("city", repairOrder.getCity());
			paramsMap.put("county", repairOrder.getCounty());
			paramsMap.put("address", repairOrder.getAddress());
			paramsMap.put("salerCode", repairOrder.getSalerCode());
			paramsMap.put("salerName", repairOrder.getSalerName());
			paramsMap.put("storeCode", repairOrder.getStoreCode());
			paramsMap.put("storeName", repairOrder.getStoreName());
			paramsMap.put("site", repairOrder.getSite());

			paramsMap.put("siteDesp", repairOrder.getSiteDesp());
			paramsMap.put("engineerCode", repairOrder.getEngineerCode());
			paramsMap.put("engineerName", repairOrder.getEngineerName());
			if (repairOrder.getServiceDate() != null) {
				paramsMap.put("serviceDate",
						DateUtils.formatDate(repairOrder.getServiceDate()));
			}

			if (repairOrder.getSalePrice() != null) {
				paramsMap.put("salePrice", repairOrder.getSalePrice()
						.toString());
			}

			paramsMap.put("profitCenter", repairOrder.getProfitCenter());
			paramsMap.put("costCenter", repairOrder.getCostCenter());
			paramsMap.put("gsxx02", repairOrder.getGsxx02());
			paramsMap.put("returnReason", repairOrder.getReturnReason());
			if (repairOrder.getOriOrder() != null) {
				paramsMap.put("oriOrder", repairOrder.getOriOrder().toString());
			}

			if (repairOrder.getOriServiceNo() != null) {
				paramsMap.put("oriServiceNo", repairOrder.getOriServiceNo());
			}

			// 拼接簽名原串(a=1&b=2)
			String paramSrc = RequestUtils.getParamSrc(paramsMap);
			logger.info("簽名原串：" + paramSrc);
			//進(jìn)行驗(yàn)簽操作
			if (SignUtils.verifymd5(paramSrc, repairOrder.getSign())) {
				//處理業(yè)務(wù)邏輯
				responseVO=erpServiceImpl.repairTakeOrder(repairOrder);
				
			} else {
				responseVO = new ResponseVO();
				responseVO.setSuccess(false);
				responseVO.setErrorMsg("驗(yàn)簽失敗");
			}

		} catch (Exception e) {
			logger.error("", e);
			responseVO = new ResponseVO();
			responseVO.setSuccess(false);
			responseVO.setErrorMsg(StringUtils.isNotBlank(e.getMessage()) ? e.getMessage() : "后臺異常");
		}
		return responseVO;

	}

以上這篇Java Http接口加簽、驗(yàn)簽操作方法就是小編分享給大家的全部內(nèi)容了，希望能給大家一個參考，也希望大家多多支持腳本之家。

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