package com.ruoyi.common.signature;
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import org.apache.commons.lang3.ArrayUtils;
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import org.apache.commons.lang3.StringUtils;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.io.UnsupportedEncodingException;
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import java.net.URLDecoder;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import java.util.Arrays;
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/**
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* @email 1603559716@qq.com
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* @author: zf
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* @date: 2023/9/7
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* @time: 11:01
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*/
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public class TokenUtils {
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private static final Logger logger = LoggerFactory.getLogger(TokenUtils.class);
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private static String[] hexDigits = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a",
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"b", "c", "d", "e",
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"f" };
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public static String getSignature(String appPwd, String paramUrl) {
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if (StringUtils.isNotBlank(paramUrl)) {
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try {
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paramUrl = URLDecoder.decode(paramUrl, "UTF-8");
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} catch (UnsupportedEncodingException e) {
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logger.error("生成 signData 失败:", e);
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throw new RuntimeException("生成 signData 失败:", e);
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}
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}
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String[] paraArray = new String[] {};
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if (StringUtils.isNotBlank(paramUrl)) {
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String[] queryArray = paramUrl.split("&");
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paraArray = (String[]) ArrayUtils.addAll(queryArray, paraArray);
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}
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Arrays.sort(paraArray);
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StringBuffer buffer = new StringBuffer();
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buffer.append(appPwd);
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buffer.append(":");
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for (int i = 0; i < paraArray.length; i++) {
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buffer.append(paraArray[i]);
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buffer.append("&");
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}
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buffer.deleteCharAt(buffer.length() - 1);
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buffer.append(":");
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buffer.append(appPwd);
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MessageDigest md = null;
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try {
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md = MessageDigest.getInstance("SHA-256");
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md.update(buffer.toString().getBytes("UTF-8"));
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} catch (NoSuchAlgorithmException e) {
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logger.error("生成 signData 失败:", e);
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throw new RuntimeException("生成 signData 失败.", e);
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} catch (UnsupportedEncodingException e) {
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logger.error("生成 signData 失败:", e);
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throw new RuntimeException("生成 signData 失败.", e);
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}
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String encode = byteArrayToHexString(md.digest());
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return encode;
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}
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private static String byteArrayToHexString(byte[] byteArray) {
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StringBuffer sb = new StringBuffer();
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for (byte byt : byteArray) {
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sb.append(byteToHexString(byt));
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}
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return sb.toString();
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}
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private static String byteToHexString(byte byt) {
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int n = byt;
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if (n < 0)
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n = 256 + n;
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return hexDigits[n / 16] + hexDigits[n % 16];
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}
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}
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