Java tutorial
/** * ???(JAVA) SDK * (c) 2012-2013 ____? <wmails@126.cn>, MIT Licensed * http://www.jeasyuicn.com/wechat */ package org.springrain.weixin.util; import java.io.File; import java.io.IOException; import java.security.KeyManagementException; import java.security.NoSuchAlgorithmException; import java.security.NoSuchProviderException; import java.util.Date; import java.util.HashMap; import java.util.Map; import java.util.concurrent.ExecutionException; import java.util.regex.Matcher; import java.util.regex.Pattern; import javax.servlet.ServletRequest; import javax.servlet.ServletResponse; import javax.servlet.http.HttpServletRequest; import org.apache.commons.lang3.StringUtils; import org.apache.commons.lang3.math.NumberUtils; import org.apache.shiro.subject.SimplePrincipalCollection; import org.apache.shiro.util.ThreadContext; import org.apache.shiro.web.subject.WebSubject; import org.springrain.frame.shiro.ShiroUser; import org.springrain.frame.util.GlobalStatic; import org.springrain.frame.util.JsonUtils; import org.springrain.frame.util.SpringUtils; import org.springrain.weixin.bean.Articles; import org.springrain.weixin.bean.Attachment; import org.springrain.weixin.bean.InMessage; import org.springrain.weixin.bean.OutMessage; import org.springrain.weixin.oauth.CustomMessage; import org.springrain.weixin.oauth.Group; import org.springrain.weixin.oauth.Menu; import org.springrain.weixin.oauth.Message; import org.springrain.weixin.oauth.Oauth; import org.springrain.weixin.oauth.Qrcod; import org.springrain.weixin.oauth.User; import org.springrain.weixin.service.IMessageProcessingService; import com.thoughtworks.xstream.XStream; /** * API * * @author L.cm & ____? * @date 2013-11-5 ?3:01:20 */ public class WeiXinUtils { private static final String ACCESSTOKEN_URL = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential"; private static final String PAYFEEDBACK_URL = "https://api.weixin.qq.com/payfeedback/update"; private static final String GET_MEDIA_URL = "http://file.api.weixin.qq.com/cgi-bin/media/get?access_token="; private static final String UPLOAD_MEDIA_URL = "http://file.api.weixin.qq.com/cgi-bin/media/upload?access_token="; //private static final String SEND_CUSTOM_MESSAGE_URL= "https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token="; private static IMessageProcessingService messageProcessingService; /** * ??? */ public static final Message message = new Message(); /** * ???? */ public static final Menu menu = new Menu(); /** * ?? */ public static final User user = new User(); /** * ?? */ public static final Group group = new Group(); /** * ?? */ public static final Qrcod qrcod = new Qrcod(); /** * ??? */ public static final CustomMessage customMessage = new CustomMessage(); /** * ?? */ public static final Oauth oauth = new Oauth(); /** * ?access_token * @return * @throws Exception */ public static String getAccessToken() throws Exception { String appid = ConfKit.get("AppId"); String secret = ConfKit.get("AppSecret"); return getAccessToken(appid, secret); } /** * ?access_token * @return * @throws Exception */ public static String getAccessToken(String appid, String secret) throws Exception { String jsonStr = HttpKit.get(ACCESSTOKEN_URL.concat("&appid=") + appid + "&secret=" + secret); Map<String, Object> map = JsonUtils.readValue(jsonStr, Map.class); return map.get("access_token").toString(); } /** * ?? * @param openid * @param feedbackid * @return * @throws Exception */ public static boolean payfeedback(String openid, String feedbackid) throws Exception { Map<String, String> map = new HashMap<String, String>(); String accessToken = getAccessToken(); map.put("access_token", accessToken); map.put("openid", openid); map.put("feedbackid", feedbackid); String jsonStr = HttpKit.get(PAYFEEDBACK_URL, map); Map<String, Object> jsonMap = JsonUtils.readValue(jsonStr, Map.class); return "0".equals(jsonMap.get("errcode").toString()); } /** * ?? * @param token * @param signature * @param timestamp * @param nonce * @return */ public static Boolean checkSignature(String token, String signature, String timestamp, String nonce) { return Tools.checkSignature(token, signature, timestamp, nonce); } /** * ??? * @param responseInputString ???xml? * @return * @throws Exception */ public static String processing(String responseInputString, String weixinId) throws Exception { if (messageProcessingService == null) { messageProcessingService = (IMessageProcessingService) SpringUtils .getBean("defaultMessageProcessingService"); } InMessage inMessage = parsingInMessage(responseInputString); OutMessage oms = null; String xml = ""; //?? String type = inMessage.getMsgType().toLowerCase(); oms = messageProcessingService.getOutMessageByInMessage(inMessage, type, weixinId); if (oms == null) { return null; } //?? messageProcessingService.afterProcess(inMessage, oms, weixinId); if (oms != null) { setMsgInfo(oms, inMessage); } if (oms != null) { // ?????xml XStream xs = XStreamFactory.init(true); xs.alias("xml", oms.getClass()); xs.alias("item", Articles.class); xml = xs.toXML(oms); } return xml; } /** * ??? * @param oms * @param msg * @throws Exception */ private static void setMsgInfo(OutMessage oms, InMessage msg) throws Exception { if (oms == null || msg == null) { return; } oms.setCreateTime(new Date().getTime()); oms.setFromUserName(msg.getToUserName()); oms.setToUserName(msg.getFromUserName()); } /** *?? * @param responseInputString * @return */ private static InMessage parsingInMessage(String responseInputString) { //?post?xml XStream xs = XStreamFactory.init(false); xs.ignoreUnknownElements(); xs.alias("xml", InMessage.class); InMessage msg = (InMessage) xs.fromXML(responseInputString); return msg; } /** * ?? * @param accessToken * @param mediaId * @return * @throws IOException * @throws InterruptedException * @throws ExecutionException */ public static Attachment getMedia(String accessToken, String mediaId) throws IOException, ExecutionException, InterruptedException { String url = GET_MEDIA_URL + accessToken + "&media_id=" + mediaId; return HttpKit.download(url); } /** * ?? * @param type * @param file * @return * @throws KeyManagementException * @throws NoSuchAlgorithmException * @throws NoSuchProviderException * @throws IOException * @throws InterruptedException * @throws ExecutionException */ @SuppressWarnings("unchecked") public static Map<String, Object> uploadMedia(String accessToken, String type, File file) throws KeyManagementException, NoSuchAlgorithmException, NoSuchProviderException, IOException, ExecutionException, InterruptedException { String url = UPLOAD_MEDIA_URL + accessToken + "&type=" + type; String jsonStr = HttpKit.upload(url, file); return JsonUtils.readValue(jsonStr, Map.class); } /** * ??, 5.0 ?? * @param request * @return */ public static boolean isWeiXin(HttpServletRequest request) { String userAgent = request.getHeader("User-Agent"); if (StringUtils.isNotBlank(userAgent)) { Pattern p = Pattern.compile("MicroMessenger/(\\d+).+"); Matcher m = p.matcher(userAgent); String version = null; if (m.find()) { version = m.group(1); } return (null != version && NumberUtils.toInt(version) >= 5); } return false; } /** * ? ? openId shiro? * @param openId * @param request * @param response */ public static void createShiroUserByOpenId(String openId, ServletRequest request, ServletResponse response) { ShiroUser shiroUser = new ShiroUser(); shiroUser.setId(openId); shiroUser.setName(openId); shiroUser.setAccount(openId); SimplePrincipalCollection principals = new SimplePrincipalCollection(shiroUser, GlobalStatic.authorizingRealmName); WebSubject.Builder builder = new WebSubject.Builder(request, response); builder.principals(principals); builder.authenticated(true); WebSubject subject = builder.buildWebSubject(); ThreadContext.bind(subject); } }