91 lines
3.0 KiB
Java
91 lines
3.0 KiB
Java
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package com.engine.salary.util;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.codec.binary.Base64;
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import javax.crypto.Mac;
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import javax.crypto.spec.SecretKeySpec;
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import java.net.URLEncoder;
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import java.security.InvalidKeyException;
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import java.security.NoSuchAlgorithmException;
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import java.security.SignatureException;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.TreeMap;
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import java.util.UUID;
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/**
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* @author jie.zhou
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* @version 1.0
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* @date 2021/1/14 15:27
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*/
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@Slf4j
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public class SingnatureData {
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/**
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* 初始化延签头信息(GET)
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*
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* @param param
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* @param appKey
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* @param appSecret
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* @return
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*/
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public static Map<String, String> initHeader(Map<String, String> param, String appKey, String appSecret) {
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String version = "1.0.0";
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long timestamp = System.currentTimeMillis();
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String nonce = UUID.randomUUID().toString().replace("-", "");
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Map<String, String> head = new HashMap<String, String>();
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if (param != null && param.size() > 0) head.putAll(param);
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head.put("version", version);
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head.put("timestamp", Long.toString(timestamp));//TimeStamp
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head.put("appKey", appKey);//accessKeyID
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head.put("xReqNonce", nonce);//SignatureNonce
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String signature = getSign(head, appSecret, "UTF-8");
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head.put("signature", signature.trim());
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return head;
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}
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/***
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* 获取签名
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* @param params
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* @param appSecret
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* @param encoding
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* @return
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*/
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public static String getSign(Map<String, String> params, String appSecret, String encoding) {
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TreeMap<String, String> treeMap = new TreeMap<>();
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treeMap.put("appSecret", appSecret);
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for (Map.Entry<String, String> entry : params.entrySet()) {
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treeMap.put(entry.getKey(), entry.getValue().toString());
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}
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StringBuilder builder = new StringBuilder();
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for (Object parameter : treeMap.values()) {
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if (parameter != null) {
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builder.append(parameter.toString());
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}
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}
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String signStr = null;
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try {
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signStr = sign(URLEncoder.encode(builder.toString(), encoding), appSecret);
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} catch (Exception e) {
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log.error("获取签名失败", e);
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}
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return signStr;
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}
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public static String sign(String data, String appSecret) throws SignatureException {
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try {
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Mac mac = Mac.getInstance("HmacSHA256");
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SecretKeySpec signingKey = new SecretKeySpec(appSecret.getBytes(), "HmacSHA256");
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mac.init(signingKey);
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byte[] signData = mac.doFinal(data.getBytes());
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return Base64.encodeBase64String(signData);
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} catch (NoSuchAlgorithmException e) {
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throw new SignatureException("平台不支持" + "HMAC_SHA256" + "摘要方式");
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} catch (InvalidKeyException e) {
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throw new SignatureException("Speicified access secret is not valid.");
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}
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}
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}
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