公众号

ch-core/src/main/resources/application-dev.yml

@@ -10,6 +10,11 @@ dts:
     # 商户证书文件路径
     # 请参考“商户证书”一节 https://pay.weixin.qq.com/wiki/doc/api/wxa/wxa_api.php?chapter=4_3
     key-path: xxxxx
+    #微信公众号服务器配置信息
+    officialaccount—appid: wx7db8eb146a194083
+    officialaccount-secret: daecb3de53841fe1a787bc9849ac3406
+    officialaccount-token: Uu6GHYOiP1xJ6GaBMyXfnITufAGJTe3Q
+    officialaccount-key: noeN1amYRvzrVmE2GnC5VnsIfgPEmv6bhX54wJOARlM
 
  #通知相关配置
   notify:

ch-core/src/main/resources/application-prod.yml

@@ -9,6 +9,11 @@ dts:
     # 商户证书文件路径
     # 请参考“商户证书”一节 https://pay.weixin.qq.com/wiki/doc/api/wxa/wxa_api.php?chapter=4_3
     key-path: xxxxx
+    #微信公众号服务器配置信息
+    officialaccount—appid: wx7db8eb146a194083
+    officialaccount-secret: daecb3de53841fe1a787bc9849ac3406
+    officialaccount-token: Uu6GHYOiP1xJ6GaBMyXfnITufAGJTe3Q
+    officialaccount-key: noeN1amYRvzrVmE2GnC5VnsIfgPEmv6bhX54wJOARlM
 
  #通知相关配置
   notify:

ch-wx-api/src/main/java/com/wwdz/ch/wx/api/OfficialAccountApi.java

@@ -7,6 +7,7 @@ import com.xxdxxs.utils.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
 
 import java.util.concurrent.TimeUnit;
@@ -19,9 +20,11 @@ public class OfficialAccountApi {
 
     private static final Logger logger = LoggerFactory.getLogger(OfficialAccountApi.class);
 
-    private final static String APPID = "wx7db8eb146a194083";
+    @Value("${dts.wx.officialaccount-appid}")
+    private String APPID;
 
-    private final static String APPSECRET = "daecb3de53841fe1a787bc9849ac3406";
+    @Value("${dts.wx.officialaccount-secret}")
+    private String APPSECRET;
 
     private final static String GET_ACCESSTOKEN_URL = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential";
 

ch-wx-api/src/main/java/com/wwdz/ch/wx/api/OfficialAccountController.java

@@ -2,6 +2,7 @@ package com.wwdz.ch.wx.api;
 
 
 import com.alibaba.fastjson.JSONObject;
+import com.wwdz.ch.wx.api.aes.WXBizMsgCrypt;
 import com.wwdz.ch.wx.util.StringUtil;
 import com.xxdxxs.utils.JsonUtils;
 import com.xxdxxs.utils.StringUtils;
@@ -9,6 +10,8 @@ import com.xxdxxs.utils.XmlUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.util.CollectionUtils;
 import org.springframework.web.bind.annotation.*;
 
 import javax.servlet.http.HttpServletRequest;
@@ -28,6 +31,20 @@ public class OfficialAccountController {
 
     private final static String UNSUBSCRIBE_EVENT = "unsubscribe";
 
+
+    @Value("${dts.wx.officialaccount-token}")
+    private String OFFICIALACCOUNTTOKEN;
+
+    @Value("${dts.wx.officialaccount-key}")
+    private String OFFICIALACCOUNTKEY;
+
+    @Value("${dts.wx.officialaccount-appid}")
+    private String APPID;
+
+    @Value("${dts.wx.officialaccount-secret}")
+    private String APPSECRET;
+
+
     @Autowired
     OfficialAccountApi officialAccountApi;
 
@@ -87,28 +104,35 @@ public class OfficialAccountController {
                                   @RequestParam(required = false, name = "echostr") String echostr,
                                   @RequestBody(required = false) String xmlInfo,
                                      HttpServletResponse response) throws IOException {
-        logger.info("222222222222222 :{}", echostr);
-        System.out.println("接入失败");
-        return echostr + "";
-    }
-
-
-    @RequestMapping(value ="/getSubscribeNotice2")
-    public Object getSubscribeNotice2(@RequestParam(required = false, name = "signature") String signature,
-                                     @RequestParam(required = false, name = "timestamp") String timestamp,
-                                     @RequestParam(required = false, name = "nonce") String nonce,
-                                     @RequestParam(required = false, name = "echostr") String echostr,
-                                     @RequestBody(required = false) String xmlInfo,
-                                     HttpServletResponse response) throws IOException {
-        logger.info("33333 :{}", echostr);
-        System.out.println("接入失败");
-        return Long.valueOf(echostr);
+        try {
+            logger.info("接收公众号推送信息校验 -> appid: {}, signature:{}, timestamp:{}, nonce:{}, echostr : {}", APPID, signature, timestamp, nonce, echostr);
+            WXBizMsgCrypt wxBizMsgCrypt = new WXBizMsgCrypt(OFFICIALACCOUNTTOKEN, OFFICIALACCOUNTKEY, APPID);
+            if (StringUtils.hasLength(echostr)) {
+                return Long.valueOf(echostr.trim());
+            }
+            logger.info("公众号推送的消息原文 -> {}", xmlInfo);
+            String xmlStr = wxBizMsgCrypt.decryptMsg(signature, timestamp, nonce, xmlInfo);
+            logger.info("解密后获取公众号推送的信息内容 : {}", xmlStr);
+            List<Map<String, String>> list = XmlUtils.fromXml(xmlStr, "xml");
+            if (!CollectionUtils.isEmpty(list)) {
+                Map<String, String> contentMap = list.get(0);
+                String event = contentMap.get("Event");
+                if (SUBSCRIBE_EVENT.equals(event) || UNSUBSCRIBE_EVENT.equals(event)) {
+                    String userOpenId = contentMap.get("FromUserName");
+                    String createTime = contentMap.get("CreateTime");
+                    Date date = new Date(createTime);
+                    logger.info("openId:{}, event :{}, time:{}", userOpenId, event, date);
+                }
+            }
+        } catch (Exception e) {
+            logger.error("公众号推送信息error : {}", e);
+        }
+        return "success";
     }
 
 
 
 
-
     @RequestMapping(value ="/getToken")
     public String getToken(){
         String token = null;
@@ -120,7 +144,4 @@ public class OfficialAccountController {
         return token;
     }
 
-    public static void main(String[] args) {
-        System.out.println(StringUtil.generateRandomString(32));
-    }
 }

ch-wx-api/src/main/java/com/wwdz/ch/wx/api/aes/AesException.java

+package com.wwdz.ch.wx.api.aes;
+
+@SuppressWarnings("serial")
+public class AesException extends Exception {
+
+	public final static int OK = 0;
+	public final static int ValidateSignatureError = -40001;
+	public final static int ParseXmlError = -40002;
+	public final static int ComputeSignatureError = -40003;
+	public final static int IllegalAesKey = -40004;
+	public final static int ValidateAppidError = -40005;
+	public final static int EncryptAESError = -40006;
+	public final static int DecryptAESError = -40007;
+	public final static int IllegalBuffer = -40008;
+	//public final static int EncodeBase64Error = -40009;
+	//public final static int DecodeBase64Error = -40010;
+	//public final static int GenReturnXmlError = -40011;
+
+	private int code;
+
+	private static String getMessage(int code) {
+		switch (code) {
+		case ValidateSignatureError:
+			return "签名验证错误";
+		case ParseXmlError:
+			return "xml解析失败";
+		case ComputeSignatureError:
+			return "sha加密生成签名失败";
+		case IllegalAesKey:
+			return "SymmetricKey非法";
+		case ValidateAppidError:
+			return "appid校验失败";
+		case EncryptAESError:
+			return "aes加密失败";
+		case DecryptAESError:
+			return "aes解密失败";
+		case IllegalBuffer:
+			return "解密后得到的buffer非法";
+//		case EncodeBase64Error:
+//			return "base64加密错误";
+//		case DecodeBase64Error:
+//			return "base64解密错误";
+//		case GenReturnXmlError:
+//			return "xml生成失败";
+		default:
+			return null; // cannot be
+		}
+	}
+
+	public int getCode() {
+		return code;
+	}
+
+	AesException(int code) {
+		super(getMessage(code));
+		this.code = code;
+	}
+
+}

ch-wx-api/src/main/java/com/wwdz/ch/wx/api/aes/ByteGroup.java

+package com.wwdz.ch.wx.api.aes;
+
+import java.util.ArrayList;
+
+class ByteGroup {
+	ArrayList<Byte> byteContainer = new ArrayList<Byte>();
+
+	public byte[] toBytes() {
+		byte[] bytes = new byte[byteContainer.size()];
+		for (int i = 0; i < byteContainer.size(); i++) {
+			bytes[i] = byteContainer.get(i);
+		}
+		return bytes;
+	}
+
+	public ByteGroup addBytes(byte[] bytes) {
+		for (byte b : bytes) {
+			byteContainer.add(b);
+		}
+		return this;
+	}
+
+	public int size() {
+		return byteContainer.size();
+	}
+}

ch-wx-api/src/main/java/com/wwdz/ch/wx/api/aes/PKCS7Encoder.java

+/**
+ * 对公众平台发送给公众账号的消息加解密示例代码.
+ * 
+ * @copyright Copyright (c) 1998-2014 Tencent Inc.
+ */
+
+// ------------------------------------------------------------------------
+
+package com.wwdz.ch.wx.api.aes;
+
+import java.nio.charset.Charset;
+import java.util.Arrays;
+
+/**
+ * 提供基于PKCS7算法的加解密接口.
+ */
+class PKCS7Encoder {
+	static Charset CHARSET = Charset.forName("utf-8");
+	static int BLOCK_SIZE = 32;
+
+	/**
+	 * 获得对明文进行补位填充的字节.
+	 * 
+	 * @param count 需要进行填充补位操作的明文字节个数
+	 * @return 补齐用的字节数组
+	 */
+	static byte[] encode(int count) {
+		// 计算需要填充的位数
+		int amountToPad = BLOCK_SIZE - (count % BLOCK_SIZE);
+		if (amountToPad == 0) {
+			amountToPad = BLOCK_SIZE;
+		}
+		// 获得补位所用的字符
+		char padChr = chr(amountToPad);
+		String tmp = new String();
+		for (int index = 0; index < amountToPad; index++) {
+			tmp += padChr;
+		}
+		return tmp.getBytes(CHARSET);
+	}
+
+	/**
+	 * 删除解密后明文的补位字符
+	 * 
+	 * @param decrypted 解密后的明文
+	 * @return 删除补位字符后的明文
+	 */
+	static byte[] decode(byte[] decrypted) {
+		int pad = (int) decrypted[decrypted.length - 1];
+		if (pad < 1 || pad > 32) {
+			pad = 0;
+		}
+		return Arrays.copyOfRange(decrypted, 0, decrypted.length - pad);
+	}
+
+	/**
+	 * 将数字转化成ASCII码对应的字符，用于对明文进行补码
+	 * 
+	 * @param a 需要转化的数字
+	 * @return 转化得到的字符
+	 */
+	static char chr(int a) {
+		byte target = (byte) (a & 0xFF);
+		return (char) target;
+	}
+
+}

ch-wx-api/src/main/java/com/wwdz/ch/wx/api/aes/SHA1.java

+/**
+ * 对公众平台发送给公众账号的消息加解密示例代码.
+ * 
+ * @copyright Copyright (c) 1998-2014 Tencent Inc.
+ */
+
+// ------------------------------------------------------------------------
+
+package com.wwdz.ch.wx.api.aes;
+
+import java.security.MessageDigest;
+import java.util.Arrays;
+
+/**
+ * SHA1 class
+ *
+ * 计算公众平台的消息签名接口.
+ */
+class SHA1 {
+
+	/**
+	 * 用SHA1算法生成安全签名
+	 * @param token 票据
+	 * @param timestamp 时间戳
+	 * @param nonce 随机字符串
+	 * @param encrypt 密文
+	 * @return 安全签名
+	 * @throws AesException 
+	 */
+	public static String getSHA1(String token, String timestamp, String nonce, String encrypt) throws AesException
+			  {
+		try {
+			String[] array = new String[] { token, timestamp, nonce, encrypt };
+			StringBuffer sb = new StringBuffer();
+			// 字符串排序
+			Arrays.sort(array);
+			for (int i = 0; i < 4; i++) {
+				sb.append(array[i]);
+			}
+			String str = sb.toString();
+			// SHA1签名生成
+			MessageDigest md = MessageDigest.getInstance("SHA-1");
+			md.update(str.getBytes());
+			byte[] digest = md.digest();
+
+			StringBuffer hexstr = new StringBuffer();
+			String shaHex = "";
+			for (int i = 0; i < digest.length; i++) {
+				shaHex = Integer.toHexString(digest[i] & 0xFF);
+				if (shaHex.length() < 2) {
+					hexstr.append(0);
+				}
+				hexstr.append(shaHex);
+			}
+			return hexstr.toString();
+		} catch (Exception e) {
+			e.printStackTrace();
+			throw new AesException(AesException.ComputeSignatureError);
+		}
+	}
+}

ch-wx-api/src/main/java/com/wwdz/ch/wx/api/aes/WXBizMsgCrypt.java

+/**
+ * 对公众平台发送给公众账号的消息加解密示例代码.
+ * 
+ * @copyright Copyright (c) 1998-2014 Tencent Inc.
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * 针对org.apache.commons.codec.binary.Base64，
+ * 需要导入架包commons-codec-1.9（或commons-codec-1.8等其他版本）
+ * 官方下载地址：http://commons.apache.org/proper/commons-codec/download_codec.cgi
+ */
+package com.wwdz.ch.wx.api.aes;
+
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONObject;
+import org.apache.commons.codec.binary.Base64;
+
+import javax.crypto.Cipher;
+import javax.crypto.spec.IvParameterSpec;
+import javax.crypto.spec.SecretKeySpec;
+import java.nio.charset.Charset;
+import java.util.Arrays;
+import java.util.Random;
+
+/**
+ * 提供接收和推送给公众平台消息的加解密接口(UTF8编码的字符串).
+ * <ol>
+ * 	<li>第三方回复加密消息给公众平台</li>
+ * 	<li>第三方收到公众平台发送的消息，验证消息的安全性，并对消息进行解密。</li>
+ * </ol>
+ * 说明：异常java.security.InvalidKeyException:illegal Key Size的解决方案
+ * <ol>
+ * 	<li>在官方网站下载JCE无限制权限策略文件（JDK7的下载地址：
+ *      http://www.oracle.com/technetwork/java/javase/downloads/jce-7-download-432124.html</li>
+ * 	<li>下载后解压，可以看到local_policy.jar和US_export_policy.jar以及readme.txt</li>
+ * 	<li>如果安装了JRE，将两个jar文件放到%JRE_HOME%\lib\security目录下覆盖原来的文件</li>
+ * 	<li>如果安装了JDK，将两个jar文件放到%JDK_HOME%\jre\lib\security目录下覆盖原来文件</li>
+ * </ol>
+ */
+public class WXBizMsgCrypt {
+	static Charset CHARSET = Charset.forName("utf-8");
+	Base64 base64 = new Base64();
+	byte[] aesKey;
+	String token;
+	String appId;
+
+	/**
+	 * 构造函数
+	 * @param token 公众平台上，开发者设置的token
+	 * @param encodingAesKey 公众平台上，开发者设置的EncodingAESKey
+	 * @param appId 公众平台appid
+	 * 
+	 * @throws AesException 执行失败，请查看该异常的错误码和具体的错误信息
+	 */
+	public WXBizMsgCrypt(String token, String encodingAesKey, String appId) throws AesException {
+		if (encodingAesKey.length() != 43) {
+			throw new AesException(AesException.IllegalAesKey);
+		}
+
+		this.token = token;
+		this.appId = appId;
+		aesKey = Base64.decodeBase64(encodingAesKey + "=");
+	}
+
+	// 生成4个字节的网络字节序
+	byte[] getNetworkBytesOrder(int sourceNumber) {
+		byte[] orderBytes = new byte[4];
+		orderBytes[3] = (byte) (sourceNumber & 0xFF);
+		orderBytes[2] = (byte) (sourceNumber >> 8 & 0xFF);
+		orderBytes[1] = (byte) (sourceNumber >> 16 & 0xFF);
+		orderBytes[0] = (byte) (sourceNumber >> 24 & 0xFF);
+		return orderBytes;
+	}
+
+	// 还原4个字节的网络字节序
+	int recoverNetworkBytesOrder(byte[] orderBytes) {
+		int sourceNumber = 0;
+		for (int i = 0; i < 4; i++) {
+			sourceNumber <<= 8;
+			sourceNumber |= orderBytes[i] & 0xff;
+		}
+		return sourceNumber;
+	}
+
+	// 随机生成16位字符串
+	String getRandomStr() {
+		String base = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+		Random random = new Random();
+		StringBuffer sb = new StringBuffer();
+		for (int i = 0; i < 16; i++) {
+			int number = random.nextInt(base.length());
+			sb.append(base.charAt(number));
+		}
+		return sb.toString();
+	}
+
+	/**
+	 * 对明文进行加密.
+	 * 
+	 * @param text 需要加密的明文
+	 * @return 加密后base64编码的字符串
+	 * @throws AesException aes加密失败
+	 */
+	String encrypt(String randomStr, String text) throws AesException {
+		ByteGroup byteCollector = new ByteGroup();
+		byte[] randomStrBytes = randomStr.getBytes(CHARSET);
+		byte[] textBytes = text.getBytes(CHARSET);
+		byte[] networkBytesOrder = getNetworkBytesOrder(textBytes.length);
+		byte[] appidBytes = appId.getBytes(CHARSET);
+
+		// randomStr + networkBytesOrder + text + appid
+		byteCollector.addBytes(randomStrBytes);
+		byteCollector.addBytes(networkBytesOrder);
+		byteCollector.addBytes(textBytes);
+		byteCollector.addBytes(appidBytes);
+
+		// ... + pad: 使用自定义的填充方式对明文进行补位填充
+		byte[] padBytes = PKCS7Encoder.encode(byteCollector.size());
+		byteCollector.addBytes(padBytes);
+
+		// 获得最终的字节流, 未加密
+		byte[] unencrypted = byteCollector.toBytes();
+
+		try {
+			// 设置加密模式为AES的CBC模式
+			Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding");
+			SecretKeySpec keySpec = new SecretKeySpec(aesKey, "AES");
+			IvParameterSpec iv = new IvParameterSpec(aesKey, 0, 16);
+			cipher.init(Cipher.ENCRYPT_MODE, keySpec, iv);
+
+			// 加密
+			byte[] encrypted = cipher.doFinal(unencrypted);
+
+			// 使用BASE64对加密后的字符串进行编码
+			String base64Encrypted = base64.encodeToString(encrypted);
+
+			return base64Encrypted;
+		} catch (Exception e) {
+			e.printStackTrace();
+			throw new AesException(AesException.EncryptAESError);
+		}
+	}
+
+	/**
+	 * 对密文进行解密.
+	 * 
+	 * @param text 需要解密的密文
+	 * @return 解密得到的明文
+	 * @throws AesException aes解密失败
+	 */
+	public String decrypt(String text) throws AesException {
+		byte[] original;
+		try {
+			// 设置解密模式为AES的CBC模式
+			Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding");
+		//	Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
+			SecretKeySpec key_spec = new SecretKeySpec(aesKey, "AES");
+			IvParameterSpec iv = new IvParameterSpec(Arrays.copyOfRange(aesKey, 0, 16));
+			cipher.init(Cipher.DECRYPT_MODE, key_spec, iv);
+
+			// 使用BASE64对密文进行解码
+			byte[] encrypted = Base64.decodeBase64(text);
+
+			// 解密
+			original = cipher.doFinal(encrypted);
+		} catch (Exception e) {
+			e.printStackTrace();
+			throw new AesException(AesException.DecryptAESError);
+		}
+
+		String xmlContent, from_appid;
+		try {
+			// 去除补位字符
+			byte[] bytes = PKCS7Encoder.decode(original);
+
+			// 分离16位随机字符串,网络字节序和AppId
+			byte[] networkOrder = Arrays.copyOfRange(bytes, 16, 20);
+
+			int xmlLength = recoverNetworkBytesOrder(networkOrder);
+
+			xmlContent = new String(Arrays.copyOfRange(bytes, 20, 20 + xmlLength), CHARSET);
+			from_appid = new String(Arrays.copyOfRange(bytes, 20 + xmlLength, bytes.length),
+					CHARSET);
+		} catch (Exception e) {
+			e.printStackTrace();
+			throw new AesException(AesException.IllegalBuffer);
+		}
+
+		// appid不相同的情况
+		if (!from_appid.equals(appId)) {
+			throw new AesException(AesException.ValidateAppidError);
+		}
+		return xmlContent;
+
+	}
+
+	/**
+	 * 将公众平台回复用户的消息加密打包.
+	 * <ol>
+	 * 	<li>对要发送的消息进行AES-CBC加密</li>
+	 * 	<li>生成安全签名</li>
+	 * 	<li>将消息密文和安全签名打包成xml格式</li>
+	 * </ol>
+	 * 
+	 * @param replyMsg 公众平台待回复用户的消息，xml格式的字符串
+	 * @param timeStamp 时间戳，可以自己生成，也可以用URL参数的timestamp
+	 * @param nonce 随机串，可以自己生成，也可以用URL参数的nonce
+	 * 
+	 * @return 加密后的可以直接回复用户的密文，包括msg_signature, timestamp, nonce, encrypt的xml格式的字符串
+	 * @throws AesException 执行失败，请查看该异常的错误码和具体的错误信息
+	 */
+	public String encryptMsg(String replyMsg, String timeStamp, String nonce) throws AesException {
+		// 加密
+		String encrypt = encrypt(getRandomStr(), replyMsg);
+
+		// 生成安全签名
+		if (timeStamp == "") {
+			timeStamp = Long.toString(System.currentTimeMillis());
+		}
+
+		String signature = SHA1.getSHA1(token, timeStamp, nonce, encrypt);
+
+		// System.out.println("发送给平台的签名是: " + signature[1].toString());
+		// 生成发送的xml
+		String result = XMLParse.generate(encrypt, signature, timeStamp, nonce);
+		return result;
+	}
+
+	/**
+	 * 检验消息的真实性，并且获取解密后的明文.
+	 * <ol>
+	 * 	<li>利用收到的密文生成安全签名，进行签名验证</li>
+	 * 	<li>若验证通过，则提取xml中的加密消息</li>
+	 * 	<li>对消息进行解密</li>
+	 * </ol>
+	 * 
+	 * @param msgSignature 签名串，对应URL参数的msg_signature
+	 * @param timeStamp 时间戳，对应URL参数的timestamp
+	 * @param nonce 随机串，对应URL参数的nonce
+	 * @param postData 密文，对应POST请求的数据
+	 * 
+	 * @return 解密后的原文
+	 * @throws AesException 执行失败，请查看该异常的错误码和具体的错误信息
+	 */
+	public String decryptMsg(String msgSignature, String timeStamp, String nonce, String postData)
+			throws AesException {
+
+		// 密钥，公众账号的app secret
+		// 提取密文
+		Object[] encrypt = XMLParse.extract(postData);
+
+		// 验证安全签名
+		String signature = SHA1.getSHA1(token, timeStamp, nonce, encrypt[1].toString());
+
+		// 和URL中的签名比较是否相等
+		// System.out.println("第三方收到URL中的签名：" + msg_sign);
+		// System.out.println("第三方校验签名：" + signature);
+		if (!signature.equals(msgSignature)) {
+			throw new AesException(AesException.ValidateSignatureError);
+		}
+
+		// 解密
+		String result = decrypt(encrypt[1].toString());
+		return result;
+	}
+
+
+	public String decryptJsonMsg(String msgSignature, String timeStamp, String nonce, String postData)
+			throws AesException {
+		JSONObject jsonObject = JSON.parseObject(postData);
+		String encryt = jsonObject.getString("Encrypt");
+		String result = decrypt(encryt);
+		return result;
+	}
+
+	/**
+	 * 验证URL
+	 * @param msgSignature 签名串，对应URL参数的msg_signature
+	 * @param timeStamp 时间戳，对应URL参数的timestamp
+	 * @param nonce 随机串，对应URL参数的nonce
+	 * @param echoStr 随机串，对应URL参数的echostr
+	 * 
+	 * @return 解密之后的echostr
+	 * @throws AesException 执行失败，请查看该异常的错误码和具体的错误信息
+	 */
+	public String verifyUrl(String msgSignature, String timeStamp, String nonce, String echoStr)
+			throws AesException {
+		String signature = SHA1.getSHA1(token, timeStamp, nonce, echoStr);
+
+		/*if (!signature.equals(msgSignature)) {
+			throw new AesException(AesException.ValidateSignatureError);
+		}*/
+
+		String result = decrypt(echoStr);
+		return result;
+	}
+
+}
\ No newline at end of file

ch-wx-api/src/main/java/com/wwdz/ch/wx/api/aes/WXBizMsgCryptTest.java

+package com.wwdz.ch.wx.api.aes;
+
+import org.junit.*;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.NodeList;
+import org.xml.sax.InputSource;
+import org.xml.sax.SAXException;
+
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+import java.io.IOException;
+import java.io.StringReader;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.fail;
+
+public class WXBizMsgCryptTest {
+	String encodingAesKey = "abcdefghijklmnopqrstuvwxyz0123456789ABCDEFG";
+	String token = "pamtest";
+	String timestamp = "1409304348";
+	String nonce = "xxxxxx";
+	String appId = "wxb11529c136998cb6";
+	String replyMsg = "我是中文abcd123";
+	String xmlFormat = "<xml><ToUserName><![CDATA[toUser]]></ToUserName><Encrypt><![CDATA[%1$s]]></Encrypt></xml>";
+	String afterAesEncrypt = "jn1L23DB+6ELqJ+6bruv21Y6MD7KeIfP82D6gU39rmkgczbWwt5+3bnyg5K55bgVtVzd832WzZGMhkP72vVOfg==";
+	String randomStr = "aaaabbbbccccdddd";
+
+	String replyMsg2 = "<xml><ToUserName><![CDATA[oia2Tj我是中文jewbmiOUlr6X-1crbLOvLw]]></ToUserName><FromUserName><![CDATA[gh_7f083739789a]]></FromUserName><CreateTime>1407743423</CreateTime><MsgType><![CDATA[video]]></MsgType><Video><MediaId><![CDATA[eYJ1MbwPRJtOvIEabaxHs7TX2D-HV71s79GUxqdUkjm6Gs2Ed1KF3ulAOA9H1xG0]]></MediaId><Title><![CDATA[testCallBackReplyVideo]]></Title><Description><![CDATA[testCallBackReplyVideo]]></Description></Video></xml>";
+	String afterAesEncrypt2 = "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";
+
+	@BeforeClass
+	public static void setUpBeforeClass() throws Exception {
+	}
+
+	@AfterClass
+	public static void tearDownAfterClass() throws Exception {
+	}
+
+	@Before
+	public void setUp() throws Exception {
+
+	}
+
+	@After
+	public void tearDown() throws Exception {
+	}
+
+	@Test
+	public void testNormal() throws ParserConfigurationException, SAXException, IOException {
+		try {
+			WXBizMsgCrypt pc = new WXBizMsgCrypt(token, encodingAesKey, appId);
+			String afterEncrpt = pc.encryptMsg(replyMsg, timestamp, nonce);
+
+			DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
+			DocumentBuilder db = dbf.newDocumentBuilder();
+			StringReader sr = new StringReader(afterEncrpt);
+			InputSource is = new InputSource(sr);
+			Document document = db.parse(is);
+
+			Element root = document.getDocumentElement();
+			NodeList nodelist1 = root.getElementsByTagName("Encrypt");
+			NodeList nodelist2 = root.getElementsByTagName("MsgSignature");
+
+			String encrypt = nodelist1.item(0).getTextContent();
+			String msgSignature = nodelist2.item(0).getTextContent();
+			String fromXML = String.format(xmlFormat, encrypt);
+
+			// 第三方收到公众号平台发送的消息
+			String afterDecrpt = pc.decryptMsg(msgSignature, timestamp, nonce, fromXML);
+			assertEquals(replyMsg, afterDecrpt);
+		} catch (AesException e) {
+			fail("正常流程，怎么就抛出异常了？？？？？？");
+		}
+	}
+
+	@Test
+	public void testAesEncrypt() {
+		try {
+			WXBizMsgCrypt pc = new WXBizMsgCrypt(token, encodingAesKey, appId);
+			assertEquals(afterAesEncrypt, pc.encrypt(randomStr, replyMsg));
+		} catch (AesException e) {
+			e.printStackTrace();
+			fail("no异常");
+		}
+	}
+
+	@Test
+	public void testAesEncrypt2() {
+		try {
+			WXBizMsgCrypt pc = new WXBizMsgCrypt(token, encodingAesKey, appId);
+			assertEquals(afterAesEncrypt2, pc.encrypt(randomStr, replyMsg2));
+
+		} catch (AesException e) {
+			e.printStackTrace();
+			fail("no异常");
+		}
+	}
+
+	@Test
+	public void testIllegalAesKey() {
+		try {
+			new WXBizMsgCrypt(token, "abcde", appId);
+		} catch (AesException e) {
+			assertEquals(AesException.IllegalAesKey, e.getCode());
+			return;
+		}
+		fail("错误流程不抛出异常？？？");
+	}
+
+	@Test
+	public void testValidateSignatureError() throws ParserConfigurationException, SAXException,
+			IOException {
+		try {
+			WXBizMsgCrypt pc = new WXBizMsgCrypt(token, encodingAesKey, appId);
+			String afterEncrpt = pc.encryptMsg(replyMsg, timestamp, nonce);
+			DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
+			DocumentBuilder db = dbf.newDocumentBuilder();
+			StringReader sr = new StringReader(afterEncrpt);
+			InputSource is = new InputSource(sr);
+			Document document = db.parse(is);
+
+			Element root = document.getDocumentElement();
+			NodeList nodelist1 = root.getElementsByTagName("Encrypt");
+
+			String encrypt = nodelist1.item(0).getTextContent();
+			String fromXML = String.format(xmlFormat, encrypt);
+			pc.decryptMsg("12345", timestamp, nonce, fromXML); // 这里签名错误
+		} catch (AesException e) {
+			assertEquals(AesException.ValidateSignatureError, e.getCode());
+			return;
+		}
+		fail("错误流程不抛出异常？？？");
+	}
+
+	@Test
+	public void testVerifyUrl() throws AesException {
+		WXBizMsgCrypt wxcpt = new WXBizMsgCrypt("QDG6eK",
+				"jWmYm7qr5nMoAUwZRjGtBxmz3KA1tkAj3ykkR6q2B2C", "wx5823bf96d3bd56c7");
+		String verifyMsgSig = "5c45ff5e21c57e6ad56bac8758b79b1d9ac89fd3";
+		String timeStamp = "1409659589";
+		String nonce = "263014780";
+		String echoStr = "P9nAzCzyDtyTWESHep1vC5X9xho/qYX3Zpb4yKa9SKld1DsH3Iyt3tP3zNdtp+4RPcs8TgAE7OaBO+FZXvnaqQ==";
+		wxcpt.verifyUrl(verifyMsgSig, timeStamp, nonce, echoStr);
+		// 只要不抛出异常就好
+	}
+}

ch-wx-api/src/main/java/com/wwdz/ch/wx/api/aes/XMLParse.java

+/**
+ * 对公众平台发送给公众账号的消息加解密示例代码.
+ * 
+ * @copyright Copyright (c) 1998-2014 Tencent Inc.
+ */
+
+// ------------------------------------------------------------------------
+
+package com.wwdz.ch.wx.api.aes;
+
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.NodeList;
+import org.xml.sax.InputSource;
+
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import java.io.StringReader;
+
+/**
+ * XMLParse class
+ *
+ * 提供提取消息格式中的密文及生成回复消息格式的接口.
+ */
+public class XMLParse {
+
+	/**
+	 * 提取出xml数据包中的加密消息
+	 * @param xmltext 待提取的xml字符串
+	 * @return 提取出的加密消息字符串
+	 * @throws AesException 
+	 */
+	public static Object[] extract(String xmltext) throws AesException     {
+		Object[] result = new Object[3];
+		try {
+			DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
+			DocumentBuilder db = dbf.newDocumentBuilder();
+			StringReader sr = new StringReader(xmltext);
+			InputSource is = new InputSource(sr);
+			Document document = db.parse(is);
+
+			Element root = document.getDocumentElement();
+			NodeList nodelist1 = root.getElementsByTagName("Encrypt");
+		//	NodeList nodelist2 = root.getElementsByTagName("ToUserName");
+			result[0] = 0;
+			result[1] = nodelist1.item(0).getTextContent();
+		//	result[2] = nodelist2.item(0).getTextContent();
+			return result;
+		} catch (Exception e) {
+			e.printStackTrace();
+			throw new AesException(AesException.ParseXmlError);
+		}
+	}
+
+	/**
+	 * 生成xml消息
+	 * @param encrypt 加密后的消息密文
+	 * @param signature 安全签名
+	 * @param timestamp 时间戳
+	 * @param nonce 随机字符串
+	 * @return 生成的xml字符串
+	 */
+	public static String generate(String encrypt, String signature, String timestamp, String nonce) {
+
+		String format = "<xml>\n" + "<Encrypt><![CDATA[%1$s]]></Encrypt>\n"
+				+ "<MsgSignature><![CDATA[%2$s]]></MsgSignature>\n"
+				+ "<TimeStamp>%3$s</TimeStamp>\n" + "<Nonce><![CDATA[%4$s]]></Nonce>\n" + "</xml>";
+		return String.format(format, encrypt, signature, timestamp, nonce);
+
+	}
+}