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org.anyline.wechat.util.WechatUtil Maven / Gradle / Ivy
/*
* Copyright 2006-2023 www.anyline.org
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.anyline.wechat.util;
import org.anyline.entity.DataRow;
import org.anyline.entity.DataSet;
import org.anyline.net.HttpBuilder;
import org.anyline.net.HttpUtil;
import org.anyline.util.BasicUtil;
import org.anyline.util.BeanUtil;
import org.anyline.util.ConfigTable;
import org.anyline.util.encrypt.MD5Util;
import org.anyline.wechat.entity.WechatAuthInfo;
import org.anyline.wechat.entity.WechatUserInfo;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.anyline.log.Log;
import org.anyline.log.LogProxy;
import java.io.File;
import java.net.InetAddress;
import java.util.HashMap;
import java.util.Map;
public class WechatUtil {
protected static final Log log = LogProxy.get(WechatUtil.class);
private static DataSet accessTokens = new DataSet();
/**
* 参数签名
*
* @param secret secret
* @param params params
* @return String
*/
public static String sign(String secret, Map params) {
String sign = "";
sign = BeanUtil.map2string(params);
sign += "&key=" + secret;
sign = MD5Util.crypto(sign).toUpperCase();
return sign;
}
public static boolean validateSign(String secret, Map map){
String sign = (String)map.get("sign");
if(BasicUtil.isEmpty(sign)){
return false;
}
map.remove("sign");
String chkSign = sign(secret, map);
return chkSign.equals(sign);
}
public static boolean validateSign(String secret, String xml){
return validateSign(secret,BeanUtil.xml2map(xml));
}
/**
* 获取RSA公钥
* @param mch mch
* @param apiSecret apiSecret
* @param keyStoreFile keyStoreFile
* @param keyStorePassword keyStorePassword
* @return String
*/
public static String getPublicKey(String mch, String apiSecret, File keyStoreFile, String keyStorePassword) {
Map parameters = new HashMap<>();
parameters.put("mch_id", mch);
parameters.put("nonce_str", BasicUtil.getRandomLowerString(20));
parameters.put("sign_type", "MD5");
String sign = WechatUtil.sign(apiSecret, parameters);
parameters.put("sign", sign);
String xml = BeanUtil.map2xml(parameters);
CloseableHttpClient httpclient = HttpUtil.createSSLClient(keyStoreFile, HttpUtil.PROTOCOL_TLSV1, keyStorePassword);
StringEntity reqEntity = new StringEntity(xml, "UTF-8");
reqEntity.setContentType("application/x-www-form-urlencoded");
String txt = HttpBuilder.init()
.setClient(httpclient)
.setUrl(WechatConfig.API_URL_GET_PUBLIC_SECRET)
.setCharset("UTF-8")
.setEntity(reqEntity)
.build().get().getText();
// String txt = HttpUtil.post(httpclient, WechatConfig.API_URL_GET_PUBLIC_SECRET, "UTF-8", reqEntity).getText();
if(ConfigTable.IS_DEBUG && log.isWarnEnabled()){
log.warn("[获取RSA公钥][\n{}\n]",txt);
}
return txt;
}
public static String getAccessToken(WechatConfig config){
if(BasicUtil.isNotEmpty(config.SERVER_WHITELIST)){
try{
String ip = InetAddress.getLocalHost().getHostAddress();
if(!config.SERVER_WHITELIST.contains(ip)){
log.warn("[白名单验证失败][白名单:{}][本机IP:{}]", config.SERVER_WHITELIST, ip);
return null;
}
}catch (Exception e){
log.warn("[白名单验证异常]");
}
}
String result = "";
DataRow row = accessTokens.getRow("APP_ID", config.APP_ID);
if(null == row || row.isExpire()){
accessTokens.remove(row);
row = newAccessToken(config);
}
if(null != row){
result = row.getString("ACCESS_TOKEN");
}
return result;
}
/**
* 新建access_token,
* 如果多个应用使用同一个公众号,多个应用应该通过一个中心服务器创建access token
* 不应该每个应用单独创建access token
* @param config WechatConfig
* @return DataRow
*/
private static DataRow newAccessToken(WechatConfig config){
if(ConfigTable.IS_DEBUG && log.isWarnEnabled()){
log.warn("[CREATE NEW ACCESS TOKEN][appid:{}][secret:{}]",config.APP_ID, config.APP_SECRET);
}
String appid = config.APP_ID;
String secret = config.APP_SECRET;
DataRow row = null;
String url = null;
if(BasicUtil.isEmpty(config.ACCESS_TOKEN_SERVER)){
url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid="+appid+"&secret="+secret;
}else{
url = config.ACCESS_TOKEN_SERVER+ "?grant_type=client_credential&appid="+appid+"&secret="+secret;
}
String text = HttpUtil.post(url).getText();
if(ConfigTable.IS_DEBUG && log.isWarnEnabled()){
log.warn("[CREATE NEW ACCESS TOKEN][result:{}]",text);
}
DataRow json = DataRow.parseJson(text);
if(null != json && json.containsKey("access_token")){
row = new DataRow();
row.put("APP_ID", appid);
row.put("ACCESS_TOKEN", json.getString("access_token"));
row.setExpires(json.getInt("expires_in", 0)*800);
row.setExpires(1000*60*5); // 5分钟内有效
if(ConfigTable.IS_DEBUG && log.isWarnEnabled()){
log.warn("[CREATE NEW ACCESS TOKEN][ACCESS_TOKEN:{}]",row.getString("ACCESS_TOKEN"));
}
accessTokens.addRow(row);
}else{
if(ConfigTable.IS_DEBUG && log.isWarnEnabled()){
log.warn("[CREATE NEW ACCESS TOKEN][FAIL]");
}
return null;
}
return row;
}
/**
* 用户授权信息 主要包含openid
* @param config config
* @param code code
* @return AuthInfo
*/
public static WechatAuthInfo getAuthInfo(WechatConfig config, String code){
WechatAuthInfo result = null;
String url = WechatConfig.API_URL_GET_AUTH_INFO + "?appid="+config.APP_ID+"&secret="+config.APP_SECRET+"&code="+code+"&grant_type=authorization_code";
String txt = HttpUtil.get(url).getText();
log.warn("[get auth info][txt:{}]",txt);
result = BeanUtil.json2oject(txt, WechatAuthInfo.class);
if(BasicUtil.isNotEmpty(result.getOpenid())){
result.setResult(true);
}
return result;
}
/**
* 用户详细信息 主要包括用户昵称 头像 unionid
* @param config config
* @param openid openid
* @return UserInfo
*/
public static WechatUserInfo getUserInfo(WechatConfig config, String openid){
WechatUserInfo result = null;
String url = WechatConfig.API_URL_GET_USER_INFO + "?access_token="+getAccessToken(config)+"&openid="+openid+"&lang=zh_CN";
String txt = HttpUtil.get(url).getText();
log.warn("[wechar get user info][result:{}]",txt);
result = BeanUtil.json2oject(txt, WechatUserInfo.class);
if(BasicUtil.isNotEmpty(result.getOpenid())){
result.setResult(true);
}
return result;
}
public static void profit(){
}
}
