mirror of
https://gitee.com/binary/weixin-java-tools.git
synced 2025-11-02 21:26:01 +08:00
重构bean和builder的包结构
This commit is contained in:
Binary Wang
@ -1,300 +1,300 @@
|
||||
/**
|
||||
* 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.
|
||||
* <p>
|
||||
* 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
|
||||
*/
|
||||
|
||||
// ------------------------------------------------------------------------
|
||||
|
||||
/**
|
||||
* 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 me.chanjar.weixin.common.util.crypto;
|
||||
|
||||
import java.io.StringReader;
|
||||
import java.nio.charset.Charset;
|
||||
import java.util.Arrays;
|
||||
import java.util.Random;
|
||||
|
||||
import javax.crypto.Cipher;
|
||||
import javax.crypto.spec.IvParameterSpec;
|
||||
import javax.crypto.spec.SecretKeySpec;
|
||||
import javax.xml.parsers.DocumentBuilder;
|
||||
import javax.xml.parsers.DocumentBuilderFactory;
|
||||
import javax.xml.parsers.ParserConfigurationException;
|
||||
|
||||
import org.apache.commons.codec.binary.Base64;
|
||||
import org.w3c.dom.Document;
|
||||
import org.w3c.dom.Element;
|
||||
import org.xml.sax.InputSource;
|
||||
|
||||
public class WxCryptUtil {
|
||||
|
||||
private static final Base64 base64 = new Base64();
|
||||
private static final Charset CHARSET = Charset.forName("utf-8");
|
||||
|
||||
private static final ThreadLocal<DocumentBuilder> builderLocal = new ThreadLocal<DocumentBuilder>() {
|
||||
@Override
|
||||
protected DocumentBuilder initialValue() {
|
||||
try {
|
||||
return DocumentBuilderFactory.newInstance().newDocumentBuilder();
|
||||
} catch (ParserConfigurationException exc) {
|
||||
throw new IllegalArgumentException(exc);
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
protected byte[] aesKey;
|
||||
protected String token;
|
||||
protected String appidOrCorpid;
|
||||
|
||||
public WxCryptUtil() {
|
||||
super();
|
||||
}
|
||||
|
||||
/**
|
||||
* 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 appidOrCorpid 公众平台appid/corpid
|
||||
*/
|
||||
public WxCryptUtil(String token, String encodingAesKey,
|
||||
String appidOrCorpid) {
|
||||
this.token = token;
|
||||
this.appidOrCorpid = appidOrCorpid;
|
||||
this.aesKey = Base64.decodeBase64(encodingAesKey + "=");
|
||||
}
|
||||
|
||||
static String extractEncryptPart(String xml) {
|
||||
try {
|
||||
DocumentBuilder db = builderLocal.get();
|
||||
Document document = db.parse(new InputSource(new StringReader(xml)));
|
||||
|
||||
Element root = document.getDocumentElement();
|
||||
return root.getElementsByTagName("Encrypt").item(0).getTextContent();
|
||||
} catch (Exception e) {
|
||||
throw new RuntimeException(e);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 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 plainText 公众平台待回复用户的消息，xml格式的字符串
|
||||
* @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
|
||||
*/
|
||||
public String encrypt(String plainText) {
|
||||
// 加密
|
||||
String encryptedXml = encrypt(genRandomStr(), plainText);
|
||||
|
||||
// 生成安全签名
|
||||
String timeStamp = Long.toString(System.currentTimeMillis() / 1000l);
|
||||
String nonce = genRandomStr();
|
||||
|
||||
String signature = SHA1.gen(this.token, timeStamp, nonce, encryptedXml);
|
||||
String result = generateXml(encryptedXml, signature, timeStamp, nonce);
|
||||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* 对明文进行加密.
|
||||
*
|
||||
* @param plainText 需要加密的明文
|
||||
* @return 加密后base64编码的字符串
|
||||
*/
|
||||
protected String encrypt(String randomStr, String plainText) {
|
||||
ByteGroup byteCollector = new ByteGroup();
|
||||
byte[] randomStringBytes = randomStr.getBytes(CHARSET);
|
||||
byte[] plainTextBytes = plainText.getBytes(CHARSET);
|
||||
byte[] bytesOfSizeInNetworkOrder = number2BytesInNetworkOrder(
|
||||
plainTextBytes.length);
|
||||
byte[] appIdBytes = this.appidOrCorpid.getBytes(CHARSET);
|
||||
|
||||
// randomStr + networkBytesOrder + text + appid
|
||||
byteCollector.addBytes(randomStringBytes);
|
||||
byteCollector.addBytes(bytesOfSizeInNetworkOrder);
|
||||
byteCollector.addBytes(plainTextBytes);
|
||||
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(this.aesKey, "AES");
|
||||
IvParameterSpec iv = new IvParameterSpec(this.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) {
|
||||
throw new RuntimeException(e);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 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 encryptedXml 密文，对应POST请求的数据
|
||||
* @return 解密后的原文
|
||||
*/
|
||||
public String decrypt(String msgSignature, String timeStamp, String nonce,
|
||||
String encryptedXml) {
|
||||
// 密钥，公众账号的app corpSecret
|
||||
// 提取密文
|
||||
String cipherText = extractEncryptPart(encryptedXml);
|
||||
|
||||
// 验证安全签名
|
||||
String signature = SHA1.gen(this.token, timeStamp, nonce, cipherText);
|
||||
if (!signature.equals(msgSignature)) {
|
||||
throw new RuntimeException("加密消息签名校验失败");
|
||||
}
|
||||
|
||||
// 解密
|
||||
String result = decrypt(cipherText);
|
||||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* 对密文进行解密.
|
||||
*
|
||||
* @param cipherText 需要解密的密文
|
||||
* @return 解密得到的明文
|
||||
*/
|
||||
public String decrypt(String cipherText) {
|
||||
byte[] original;
|
||||
try {
|
||||
// 设置解密模式为AES的CBC模式
|
||||
Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding");
|
||||
SecretKeySpec key_spec = new SecretKeySpec(this.aesKey, "AES");
|
||||
IvParameterSpec iv = new IvParameterSpec(
|
||||
Arrays.copyOfRange(this.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(cipherText);
|
||||
|
||||
// 解密
|
||||
original = cipher.doFinal(encrypted);
|
||||
} catch (Exception e) {
|
||||
throw new RuntimeException(e);
|
||||
}
|
||||
|
||||
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 = bytesNetworkOrder2Number(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) {
|
||||
throw new RuntimeException(e);
|
||||
}
|
||||
|
||||
// appid不相同的情况
|
||||
if (!from_appid.equals(this.appidOrCorpid)) {
|
||||
throw new RuntimeException("AppID不正确");
|
||||
}
|
||||
|
||||
return xmlContent;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* 将一个数字转换成生成4个字节的网络字节序bytes数组
|
||||
*
|
||||
* @param number
|
||||
*/
|
||||
private static byte[] number2BytesInNetworkOrder(int number) {
|
||||
byte[] orderBytes = new byte[4];
|
||||
orderBytes[3] = (byte) (number & 0xFF);
|
||||
orderBytes[2] = (byte) (number >> 8 & 0xFF);
|
||||
orderBytes[1] = (byte) (number >> 16 & 0xFF);
|
||||
orderBytes[0] = (byte) (number >> 24 & 0xFF);
|
||||
return orderBytes;
|
||||
}
|
||||
|
||||
/**
|
||||
* 4个字节的网络字节序bytes数组还原成一个数字
|
||||
*
|
||||
* @param bytesInNetworkOrder
|
||||
*/
|
||||
private static int bytesNetworkOrder2Number(byte[] bytesInNetworkOrder) {
|
||||
int sourceNumber = 0;
|
||||
for (int i = 0; i < 4; i++) {
|
||||
sourceNumber <<= 8;
|
||||
sourceNumber |= bytesInNetworkOrder[i] & 0xff;
|
||||
}
|
||||
return sourceNumber;
|
||||
}
|
||||
|
||||
/**
|
||||
* 随机生成16位字符串
|
||||
*/
|
||||
private static String genRandomStr() {
|
||||
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();
|
||||
}
|
||||
|
||||
/**
|
||||
* 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
|
||||
*/
|
||||
private static String generateXml(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);
|
||||
}
|
||||
|
||||
}
|
||||
/**
|
||||
* 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.
|
||||
* <p>
|
||||
* 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
|
||||
*/
|
||||
|
||||
// ------------------------------------------------------------------------
|
||||
|
||||
/**
|
||||
* 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 me.chanjar.weixin.common.util.crypto;
|
||||
|
||||
import java.io.StringReader;
|
||||
import java.nio.charset.Charset;
|
||||
import java.util.Arrays;
|
||||
import java.util.Random;
|
||||
|
||||
import javax.crypto.Cipher;
|
||||
import javax.crypto.spec.IvParameterSpec;
|
||||
import javax.crypto.spec.SecretKeySpec;
|
||||
import javax.xml.parsers.DocumentBuilder;
|
||||
import javax.xml.parsers.DocumentBuilderFactory;
|
||||
import javax.xml.parsers.ParserConfigurationException;
|
||||
|
||||
import org.apache.commons.codec.binary.Base64;
|
||||
import org.w3c.dom.Document;
|
||||
import org.w3c.dom.Element;
|
||||
import org.xml.sax.InputSource;
|
||||
|
||||
public class WxCryptUtil {
|
||||
|
||||
private static final Base64 base64 = new Base64();
|
||||
private static final Charset CHARSET = Charset.forName("utf-8");
|
||||
|
||||
private static final ThreadLocal<DocumentBuilder> builderLocal = new ThreadLocal<DocumentBuilder>() {
|
||||
@Override
|
||||
protected DocumentBuilder initialValue() {
|
||||
try {
|
||||
return DocumentBuilderFactory.newInstance().newDocumentBuilder();
|
||||
} catch (ParserConfigurationException exc) {
|
||||
throw new IllegalArgumentException(exc);
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
protected byte[] aesKey;
|
||||
protected String token;
|
||||
protected String appidOrCorpid;
|
||||
|
||||
public WxCryptUtil() {
|
||||
super();
|
||||
}
|
||||
|
||||
/**
|
||||
* 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 appidOrCorpid 公众平台appid/corpid
|
||||
*/
|
||||
public WxCryptUtil(String token, String encodingAesKey,
|
||||
String appidOrCorpid) {
|
||||
this.token = token;
|
||||
this.appidOrCorpid = appidOrCorpid;
|
||||
this.aesKey = Base64.decodeBase64(encodingAesKey + "=");
|
||||
}
|
||||
|
||||
static String extractEncryptPart(String xml) {
|
||||
try {
|
||||
DocumentBuilder db = builderLocal.get();
|
||||
Document document = db.parse(new InputSource(new StringReader(xml)));
|
||||
|
||||
Element root = document.getDocumentElement();
|
||||
return root.getElementsByTagName("Encrypt").item(0).getTextContent();
|
||||
} catch (Exception e) {
|
||||
throw new RuntimeException(e);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 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 plainText 公众平台待回复用户的消息，xml格式的字符串
|
||||
* @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
|
||||
*/
|
||||
public String encrypt(String plainText) {
|
||||
// 加密
|
||||
String encryptedXml = encrypt(genRandomStr(), plainText);
|
||||
|
||||
// 生成安全签名
|
||||
String timeStamp = Long.toString(System.currentTimeMillis() / 1000l);
|
||||
String nonce = genRandomStr();
|
||||
|
||||
String signature = SHA1.gen(this.token, timeStamp, nonce, encryptedXml);
|
||||
String result = generateXml(encryptedXml, signature, timeStamp, nonce);
|
||||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* 对明文进行加密.
|
||||
*
|
||||
* @param plainText 需要加密的明文
|
||||
* @return 加密后base64编码的字符串
|
||||
*/
|
||||
protected String encrypt(String randomStr, String plainText) {
|
||||
ByteGroup byteCollector = new ByteGroup();
|
||||
byte[] randomStringBytes = randomStr.getBytes(CHARSET);
|
||||
byte[] plainTextBytes = plainText.getBytes(CHARSET);
|
||||
byte[] bytesOfSizeInNetworkOrder = number2BytesInNetworkOrder(
|
||||
plainTextBytes.length);
|
||||
byte[] appIdBytes = this.appidOrCorpid.getBytes(CHARSET);
|
||||
|
||||
// randomStr + networkBytesOrder + text + appid
|
||||
byteCollector.addBytes(randomStringBytes);
|
||||
byteCollector.addBytes(bytesOfSizeInNetworkOrder);
|
||||
byteCollector.addBytes(plainTextBytes);
|
||||
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(this.aesKey, "AES");
|
||||
IvParameterSpec iv = new IvParameterSpec(this.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) {
|
||||
throw new RuntimeException(e);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 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 encryptedXml 密文，对应POST请求的数据
|
||||
* @return 解密后的原文
|
||||
*/
|
||||
public String decrypt(String msgSignature, String timeStamp, String nonce,
|
||||
String encryptedXml) {
|
||||
// 密钥，公众账号的app corpSecret
|
||||
// 提取密文
|
||||
String cipherText = extractEncryptPart(encryptedXml);
|
||||
|
||||
// 验证安全签名
|
||||
String signature = SHA1.gen(this.token, timeStamp, nonce, cipherText);
|
||||
if (!signature.equals(msgSignature)) {
|
||||
throw new RuntimeException("加密消息签名校验失败");
|
||||
}
|
||||
|
||||
// 解密
|
||||
String result = decrypt(cipherText);
|
||||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* 对密文进行解密.
|
||||
*
|
||||
* @param cipherText 需要解密的密文
|
||||
* @return 解密得到的明文
|
||||
*/
|
||||
public String decrypt(String cipherText) {
|
||||
byte[] original;
|
||||
try {
|
||||
// 设置解密模式为AES的CBC模式
|
||||
Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding");
|
||||
SecretKeySpec key_spec = new SecretKeySpec(this.aesKey, "AES");
|
||||
IvParameterSpec iv = new IvParameterSpec(
|
||||
Arrays.copyOfRange(this.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(cipherText);
|
||||
|
||||
// 解密
|
||||
original = cipher.doFinal(encrypted);
|
||||
} catch (Exception e) {
|
||||
throw new RuntimeException(e);
|
||||
}
|
||||
|
||||
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 = bytesNetworkOrder2Number(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) {
|
||||
throw new RuntimeException(e);
|
||||
}
|
||||
|
||||
// appid不相同的情况
|
||||
if (!from_appid.equals(this.appidOrCorpid)) {
|
||||
throw new RuntimeException("AppID不正确");
|
||||
}
|
||||
|
||||
return xmlContent;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* 将一个数字转换成生成4个字节的网络字节序bytes数组
|
||||
*
|
||||
* @param number
|
||||
*/
|
||||
private static byte[] number2BytesInNetworkOrder(int number) {
|
||||
byte[] orderBytes = new byte[4];
|
||||
orderBytes[3] = (byte) (number & 0xFF);
|
||||
orderBytes[2] = (byte) (number >> 8 & 0xFF);
|
||||
orderBytes[1] = (byte) (number >> 16 & 0xFF);
|
||||
orderBytes[0] = (byte) (number >> 24 & 0xFF);
|
||||
return orderBytes;
|
||||
}
|
||||
|
||||
/**
|
||||
* 4个字节的网络字节序bytes数组还原成一个数字
|
||||
*
|
||||
* @param bytesInNetworkOrder
|
||||
*/
|
||||
private static int bytesNetworkOrder2Number(byte[] bytesInNetworkOrder) {
|
||||
int sourceNumber = 0;
|
||||
for (int i = 0; i < 4; i++) {
|
||||
sourceNumber <<= 8;
|
||||
sourceNumber |= bytesInNetworkOrder[i] & 0xff;
|
||||
}
|
||||
return sourceNumber;
|
||||
}
|
||||
|
||||
/**
|
||||
* 随机生成16位字符串
|
||||
*/
|
||||
private static String genRandomStr() {
|
||||
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();
|
||||
}
|
||||
|
||||
/**
|
||||
* 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
|
||||
*/
|
||||
private static String generateXml(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);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@ -1,103 +1,103 @@
|
||||
package me.chanjar.weixin.common.util.crypto;
|
||||
|
||||
import org.testng.annotations.Test;
|
||||
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.testng.Assert.assertEquals;
|
||||
import static org.testng.Assert.fail;
|
||||
|
||||
@Test
|
||||
public class WxCryptUtilTest {
|
||||
String encodingAesKey = "abcdefghijklmnopqrstuvwxyz0123456789ABCDEFG";
|
||||
String token = "pamtest";
|
||||
String timestamp = "1409304348";
|
||||
String nonce = "xxxxxx";
|
||||
String appId = "wxb11529c136998cb6";
|
||||
String randomStr = "aaaabbbbccccdddd";
|
||||
|
||||
String xmlFormat = "<xml><ToUserName><![CDATA[toUser]]></ToUserName><Encrypt><![CDATA[%1$s]]></Encrypt></xml>";
|
||||
String replyMsg = "我是中文abcd123";
|
||||
|
||||
String afterAesEncrypt = "jn1L23DB+6ELqJ+6bruv21Y6MD7KeIfP82D6gU39rmkgczbWwt5+3bnyg5K55bgVtVzd832WzZGMhkP72vVOfg==";
|
||||
|
||||
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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";
|
||||
|
||||
public void testNormal() throws ParserConfigurationException, SAXException, IOException {
|
||||
WxCryptUtil pc = new WxCryptUtil(this.token, this.encodingAesKey, this.appId);
|
||||
String encryptedXml = pc.encrypt(this.replyMsg);
|
||||
|
||||
System.out.println(encryptedXml);
|
||||
|
||||
DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
|
||||
DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
|
||||
Document document = documentBuilder.parse(new InputSource(new StringReader(encryptedXml)));
|
||||
|
||||
Element root = document.getDocumentElement();
|
||||
String cipherText = root.getElementsByTagName("Encrypt").item(0).getTextContent();
|
||||
System.out.println(cipherText);
|
||||
|
||||
String msgSignature = root.getElementsByTagName("MsgSignature").item(0).getTextContent();
|
||||
System.out.println(msgSignature);
|
||||
|
||||
String timestamp = root.getElementsByTagName("TimeStamp").item(0).getTextContent();
|
||||
System.out.println(timestamp);
|
||||
|
||||
String nonce = root.getElementsByTagName("Nonce").item(0).getTextContent();
|
||||
System.out.println(nonce);
|
||||
|
||||
String messageText = String.format(this.xmlFormat, cipherText);
|
||||
System.out.println(messageText);
|
||||
|
||||
// 第三方收到企业号平台发送的消息
|
||||
String plainMessage = pc.decrypt(cipherText);
|
||||
System.out.println(plainMessage);
|
||||
|
||||
assertEquals(plainMessage, this.replyMsg);
|
||||
}
|
||||
|
||||
public void testAesEncrypt() {
|
||||
WxCryptUtil pc = new WxCryptUtil(this.token, this.encodingAesKey, this.appId);
|
||||
assertEquals(pc.encrypt(this.randomStr, this.replyMsg), this.afterAesEncrypt);
|
||||
}
|
||||
|
||||
public void testAesEncrypt2() {
|
||||
WxCryptUtil pc = new WxCryptUtil(this.token, this.encodingAesKey, this.appId);
|
||||
assertEquals(pc.encrypt(this.randomStr, this.replyMsg2), this.afterAesEncrypt2);
|
||||
}
|
||||
|
||||
public void testValidateSignatureError() throws ParserConfigurationException, SAXException,
|
||||
IOException {
|
||||
try {
|
||||
WxCryptUtil pc = new WxCryptUtil(this.token, this.encodingAesKey, this.appId);
|
||||
String afterEncrpt = pc.encrypt(this.replyMsg);
|
||||
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(this.xmlFormat, encrypt);
|
||||
pc.decrypt("12345", this.timestamp, this.nonce, fromXML); // 这里签名错误
|
||||
} catch (RuntimeException e) {
|
||||
assertEquals(e.getMessage(), "加密消息签名校验失败");
|
||||
return;
|
||||
}
|
||||
fail("错误流程不抛出异常？？？");
|
||||
}
|
||||
|
||||
}
|
||||
package me.chanjar.weixin.common.util.crypto;
|
||||
|
||||
import org.testng.annotations.Test;
|
||||
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.testng.Assert.assertEquals;
|
||||
import static org.testng.Assert.fail;
|
||||
|
||||
@Test
|
||||
public class WxCryptUtilTest {
|
||||
String encodingAesKey = "abcdefghijklmnopqrstuvwxyz0123456789ABCDEFG";
|
||||
String token = "pamtest";
|
||||
String timestamp = "1409304348";
|
||||
String nonce = "xxxxxx";
|
||||
String appId = "wxb11529c136998cb6";
|
||||
String randomStr = "aaaabbbbccccdddd";
|
||||
|
||||
String xmlFormat = "<xml><ToUserName><![CDATA[toUser]]></ToUserName><Encrypt><![CDATA[%1$s]]></Encrypt></xml>";
|
||||
String replyMsg = "我是中文abcd123";
|
||||
|
||||
String afterAesEncrypt = "jn1L23DB+6ELqJ+6bruv21Y6MD7KeIfP82D6gU39rmkgczbWwt5+3bnyg5K55bgVtVzd832WzZGMhkP72vVOfg==";
|
||||
|
||||
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 = "jn1L23DB+6ELqJ+6bruv23M2GmYfkv0xBh2h+XTBOKVKcgDFHle6gqcZ1cZrk3e1qjPQ1F4RsLWzQRG9udbKWesxlkupqcEcW7ZQweImX9+wLMa0GaUzpkycA8+IamDBxn5loLgZpnS7fVAbExOkK5DYHBmv5tptA9tklE/fTIILHR8HLXa5nQvFb3tYPKAlHF3rtTeayNf0QuM+UW/wM9enGIDIJHF7CLHiDNAYxr+r+OrJCmPQyTy8cVWlu9iSvOHPT/77bZqJucQHQ04sq7KZI27OcqpQNSto2OdHCoTccjggX5Z9Mma0nMJBU+jLKJ38YB1fBIz+vBzsYjrTmFQ44YfeEuZ+xRTQwr92vhA9OxchWVINGC50qE/6lmkwWTwGX9wtQpsJKhP+oS7rvTY8+VdzETdfakjkwQ5/Xka042OlUb1/slTwo4RscuQ+RdxSGvDahxAJ6+EAjLt9d8igHngxIbf6YyqqROxuxqIeIch3CssH/LqRs+iAcILvApYZckqmA7FNERspKA5f8GoJ9sv8xmGvZ9Yrf57cExWtnX8aCMMaBropU/1k+hKP5LVdzbWCG0hGwx/dQudYR/eXp3P0XxjlFiy+9DMlaFExWUZQDajPkdPrEeOwofJb";
|
||||
|
||||
public void testNormal() throws ParserConfigurationException, SAXException, IOException {
|
||||
WxCryptUtil pc = new WxCryptUtil(this.token, this.encodingAesKey, this.appId);
|
||||
String encryptedXml = pc.encrypt(this.replyMsg);
|
||||
|
||||
System.out.println(encryptedXml);
|
||||
|
||||
DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
|
||||
DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
|
||||
Document document = documentBuilder.parse(new InputSource(new StringReader(encryptedXml)));
|
||||
|
||||
Element root = document.getDocumentElement();
|
||||
String cipherText = root.getElementsByTagName("Encrypt").item(0).getTextContent();
|
||||
System.out.println(cipherText);
|
||||
|
||||
String msgSignature = root.getElementsByTagName("MsgSignature").item(0).getTextContent();
|
||||
System.out.println(msgSignature);
|
||||
|
||||
String timestamp = root.getElementsByTagName("TimeStamp").item(0).getTextContent();
|
||||
System.out.println(timestamp);
|
||||
|
||||
String nonce = root.getElementsByTagName("Nonce").item(0).getTextContent();
|
||||
System.out.println(nonce);
|
||||
|
||||
String messageText = String.format(this.xmlFormat, cipherText);
|
||||
System.out.println(messageText);
|
||||
|
||||
// 第三方收到企业号平台发送的消息
|
||||
String plainMessage = pc.decrypt(cipherText);
|
||||
System.out.println(plainMessage);
|
||||
|
||||
assertEquals(plainMessage, this.replyMsg);
|
||||
}
|
||||
|
||||
public void testAesEncrypt() {
|
||||
WxCryptUtil pc = new WxCryptUtil(this.token, this.encodingAesKey, this.appId);
|
||||
assertEquals(pc.encrypt(this.randomStr, this.replyMsg), this.afterAesEncrypt);
|
||||
}
|
||||
|
||||
public void testAesEncrypt2() {
|
||||
WxCryptUtil pc = new WxCryptUtil(this.token, this.encodingAesKey, this.appId);
|
||||
assertEquals(pc.encrypt(this.randomStr, this.replyMsg2), this.afterAesEncrypt2);
|
||||
}
|
||||
|
||||
public void testValidateSignatureError() throws ParserConfigurationException, SAXException,
|
||||
IOException {
|
||||
try {
|
||||
WxCryptUtil pc = new WxCryptUtil(this.token, this.encodingAesKey, this.appId);
|
||||
String afterEncrpt = pc.encrypt(this.replyMsg);
|
||||
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(this.xmlFormat, encrypt);
|
||||
pc.decrypt("12345", this.timestamp, this.nonce, fromXML); // 这里签名错误
|
||||
} catch (RuntimeException e) {
|
||||
assertEquals(e.getMessage(), "加密消息签名校验失败");
|
||||
return;
|
||||
}
|
||||
fail("错误流程不抛出异常？？？");
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user