package com.ishop.mobile.util;
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import com.fasterxml.jackson.databind.node.ObjectNode;
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import com.iplatform.base.PlatformRuntimeException;
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import com.iplatform.base.WechatConstants;
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import com.iplatform.core.util.AESUtils;
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import com.walker.infrastructure.utils.JsonUtils;
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import com.walker.infrastructure.utils.MD5;
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import com.walker.infrastructure.utils.StringUtils;
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import org.apache.commons.codec.binary.Base64;
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import org.apache.commons.codec.digest.DigestUtils;
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import java.security.InvalidAlgorithmParameterException;
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import java.text.MessageFormat;
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import java.util.Arrays;
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import java.util.Map;
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import java.util.Set;
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public class WechatUtils {
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public static final String JS_SIGN = "jsapi_ticket={0}&noncestr={1}×tamp={2}&url={3}";
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private static final String WATERMARK = "watermark";
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private static final String APPID = "appid";
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/**
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* 解密微信手机号。
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* @param miniAppId
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* @param encryptData
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* @param sessionKey
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* @param iv
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* @return
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* @date 2023-09-15
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*/
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public static final String decryptPhoneNumber(String miniAppId, String encryptData, String sessionKey, String iv){
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String result = StringUtils.EMPTY_STRING;
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try {
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byte[] decryptByte = AESUtils.decrypt(Base64.decodeBase64(encryptData), Base64.decodeBase64(sessionKey), Base64.decodeBase64(iv));
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if(decryptByte == null || decryptByte.length == 0){
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return result;
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}
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result = new String(WxPKCS7Encoder.decode(decryptByte));
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// JSONObject jsonObject = JSONObject.parseObject(result);
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// String decryptAppid = jsonObject.getJSONObject(WATERMARK).getString(APPID);
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// if(!appId.equals(decryptAppid)){
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// result = "";
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// }
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return result;
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} catch (InvalidAlgorithmParameterException e) {
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throw new RuntimeException("解密微信手机号错误：" + e.getMessage(), e);
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}
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}
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public static final String getWechatOauthAccessTokenUrl(String appId, String secret, String code){
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return MessageFormat.format(WechatConstants.WECHAT_OAUTH2_ACCESS_TOKEN_URL, appId, secret, code);
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}
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/**
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* 获取ticket时，生成签名信息。
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* @param nonceStr
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* @param ticket
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* @param timestamp
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* @param url
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* @return
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* @date 2023-07-16
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* @date 2023-07-25 timestamp必须用字符串形式，否则格式化会默认转为金额（逗号分隔）形式。
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*/
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public static String getJsSdkSign(String nonceStr, String ticket, String timestamp, String url){
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String data = MessageFormat.format(JS_SIGN, ticket, nonceStr, timestamp, url);
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return DigestUtils.sha1Hex(data);
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}
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/**
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* 获取sign
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* @param voJson 微信公共下单对象
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* @param signKey 微信签名key
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* @return String
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*/
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public static String getSign(String voJson, String signKey) throws Exception {
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// 对象转map
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Map<String, Object> map = JsonUtils.jsonStringToObject(voJson, Map.class);
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// map排序
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Set<String> keySet = map.keySet();
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String[] keyArray = keySet.toArray(new String[keySet.size()]);
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Arrays.sort(keyArray);
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StringBuilder sb = new StringBuilder();
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for (String k : keyArray) {
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if (k.equals(MD5.NAME_SIGN_2)) {
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continue;
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}
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// 参数值为空，则不参与签名
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if (map.get(k) != null && StringUtils.isNotEmpty(map.get(k).toString())){
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sb.append(k).append("=").append(map.get(k)).append("&");
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}
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}
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sb.append("key=").append(signKey);
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String sign = DigestUtils.sha1Hex(sb.toString()).toUpperCase();
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System.out.println("sign ========== " + sign);
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return sign;
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}
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/**
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* 获取sign
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* @param map 待签名数据
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* @param signKey 微信签名key
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* @return String
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*/
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public static String getSign(Map<String, String> map, String signKey) throws Exception{
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// map排序
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Set<String> keySet = map.keySet();
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String[] keyArray = keySet.toArray(new String[keySet.size()]);
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Arrays.sort(keyArray);
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StringBuilder sb = new StringBuilder();
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for (String k : keyArray) {
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if (k.equals(MD5.NAME_SIGN_2)) {
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continue;
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}
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if (StringUtils.isNotEmpty(map.get(k)) && map.get(k).trim().length() > 0) // 参数值为空，则不参与签名
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sb.append(k).append("=").append(map.get(k).trim()).append("&");
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}
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sb.append("key=").append(signKey);
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// String sign = SecureUtil.md5(sb.toString()).toUpperCase();
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String sign = MD5.getMessageDigest(sb.toString().getBytes(StringUtils.DEFAULT_CHARSET_UTF8)).toUpperCase();
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System.out.println("sign ========== " + sign);
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return sign;
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}
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public static final ObjectNode acquireObjectNode(String entity){
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ObjectNode objectNode = null;
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try {
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objectNode = JsonUtils.jsonStringToObjectNode(entity);
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} catch (Exception e) {
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throw new PlatformRuntimeException("string转ObjectNode错误：" + e.getMessage(), e);
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}
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return objectNode;
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}
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}
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