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com.egzosn.pay.common.util.sign.SignUtils Maven / Gradle / Ivy
package com.egzosn.pay.common.util.sign;
import com.egzosn.pay.common.bean.result.PayException;
import com.egzosn.pay.common.exception.PayErrorException;
import com.egzosn.pay.common.util.str.StringUtils;
import org.apache.http.message.BasicNameValuePair;
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import java.io.UnsupportedEncodingException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.util.*;
/**
* 签名 工具
*
* @author: egan
*
* email [email protected]
* date 2016/11/9 17:45
*
*/
public enum SignUtils {
MD5 {
/**
*
* @param content 需要签名的内容
* @param key 密钥
* @param characterEncoding 字符编码
* @return 签名值
*/
@Override
public String createSign(String content, String key, String characterEncoding) {
return com.egzosn.pay.common.util.sign.encrypt.MD5.sign(content, key, characterEncoding);
}
/**
* 签名字符串
* @param text 需要签名的字符串
* @param sign 签名结果
* @param key 密钥
* @param characterEncoding 编码格式
* @return 签名结果
*/
@Override
public boolean verify(String text, String sign, String key, String characterEncoding) {
return com.egzosn.pay.common.util.sign.encrypt.MD5.verify(text, sign, key, characterEncoding);
}
},HMACSHA256{
/**
* 签名
*
* @param content 需要签名的内容
* @param key 密钥
* @param characterEncoding 字符编码
*
* @return 签名值
*/
@Override
public String createSign(String content, String key, String characterEncoding) {
Mac sha256HMAC = null;
try {
sha256HMAC = Mac.getInstance("HmacSHA256");
SecretKeySpec secretKey = new SecretKeySpec(key.getBytes(characterEncoding), "HmacSHA256");
sha256HMAC.init(secretKey);
byte[] array = sha256HMAC.doFinal(content.getBytes(characterEncoding));
StringBuilder sb = new StringBuilder();
for (byte item : array) {
sb.append(Integer.toHexString((item & 0xFF) | 0x100).substring(1, 3));
}
return sb.toString().toUpperCase();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
} catch (InvalidKeyException e) {
e.printStackTrace();
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
throw new PayErrorException(new PayException("fail", "HMACSHA256 签名异常"));
}
/**
* 签名字符串
*
* @param text 需要签名的字符串
* @param sign 签名结果
* @param key 密钥
* @param characterEncoding 编码格式
*
* @return 签名结果
*/
@Override
public boolean verify(String text, String sign, String key, String characterEncoding) {
return createSign(text, key, characterEncoding).equals(sign);
}
},
RSA {
@Override
public String createSign(String content, String key, String characterEncoding) {
return com.egzosn.pay.common.util.sign.encrypt.RSA.sign(content, key, characterEncoding);
}
@Override
public boolean verify(String text, String sign, String publicKey, String characterEncoding) {
return com.egzosn.pay.common.util.sign.encrypt.RSA.verify(text, sign, publicKey, characterEncoding);
}
},
RSA2 {
@Override
public String createSign(String content, String key, String characterEncoding) {
return com.egzosn.pay.common.util.sign.encrypt.RSA2.sign(content, key, characterEncoding);
}
@Override
public boolean verify(String text, String sign, String publicKey, String characterEncoding) {
return com.egzosn.pay.common.util.sign.encrypt.RSA2.verify(text, sign, publicKey, characterEncoding);
}
},
SHA1 {
@Override
public String createSign(String content, String key, String characterEncoding) {
return com.egzosn.pay.common.util.sign.encrypt.SHA1.sign(content, key, characterEncoding);
}
@Override
public boolean verify(String text, String sign, String publicKey, String characterEncoding) {
return com.egzosn.pay.common.util.sign.encrypt.SHA1.verify(text, sign, publicKey, characterEncoding);
}
},
SHA256 {
@Override
public String createSign(String content, String key, String characterEncoding) {
return com.egzosn.pay.common.util.sign.encrypt.SHA256.sign(content, key, characterEncoding);
}
@Override
public boolean verify(String text, String sign, String publicKey, String characterEncoding) {
return com.egzosn.pay.common.util.sign.encrypt.SHA256.verify(text, sign, publicKey, characterEncoding);
}
},
SM3 {
@Override
public String createSign(String content, String key, String characterEncoding) {
return com.egzosn.pay.common.util.sign.encrypt.RSA2.sign(content, key, characterEncoding);
}
@Override
public boolean verify(String text, String sign, String publicKey, String characterEncoding) {
return com.egzosn.pay.common.util.sign.encrypt.RSA2.verify(text, sign, publicKey, characterEncoding);
}
};
/**
*
* 把数组所有元素排序，并按照“参数=参数值”的模式用“@param separator”字符拼接成字符串
* @param parameters 参数
* @return 去掉空值与签名参数后的新签名，拼接后字符串
*/
public static String parameterText(Map parameters) {
return parameterText(parameters, "&");
}
/**
*
* 把数组所有元素排序，并按照“参数=参数值”的模式用“@param separator”字符拼接成字符串
* @param parameters 参数
* @param separator 分隔符
* @return 去掉空值与签名参数后的新签名，拼接后字符串
*/
public static String parameterText(Map parameters, String separator) {
return parameterText(parameters, separator, "signature", "sign", "key", "sign_type");
}
/**
*
* 把数组所有元素排序，并按照“参数=参数值”的模式用“@param separator”字符拼接成字符串
* @param parameters 参数
* @param separator 分隔符
* @param ignoreKey 需要忽略添加的key
* @return 去掉空值与签名参数后的新签名，拼接后字符串
*/
public static String parameterText(Map parameters, String separator, String... ignoreKey ) {
if(parameters == null){
return "";
}
StringBuffer sb = new StringBuffer();
if (null != ignoreKey){
Arrays.sort(ignoreKey);
}
// TODO 2016/11/11 10:14 author: egan 已经排序好处理
if (parameters instanceof SortedMap) {
for (Map.Entry entry : (Set>)parameters.entrySet()) {
Object v = entry.getValue();
if (null == v || "".equals(v.toString().trim()) || (null != ignoreKey && Arrays.binarySearch(ignoreKey, entry.getKey() ) >= 0)) {
continue;
}
sb.append(entry.getKey() ).append("=").append( v.toString().trim()).append(separator);
}
if (sb.length() > 0 && !"".equals(separator)) {
sb.deleteCharAt(sb.length() - 1);
}
return sb.toString();
}
// TODO 2016/11/11 10:14 author: egan 未排序须处理
List keys = new ArrayList(parameters.keySet());
//排序
Collections.sort(keys);
for (String k : keys) {
String valueStr = "";
Object o = parameters.get(k);
if (null == o) {
continue;
}
if (o instanceof String[]) {
String[] values = (String[]) o;
for (int i = 0; i < values.length; i++) {
String value = values[i].trim();
if ("".equals(value)){ continue;}
valueStr += (i == values.length - 1) ? value : value + ",";
}
} else if (o != null) {
valueStr = o.toString();
}
if (null == valueStr || "".equals(valueStr.toString().trim()) || (null != ignoreKey && Arrays.binarySearch(ignoreKey, k ) >= 0)) {
continue;
}
sb.append(k ).append("=").append( valueStr).append(separator);
}
if (sb.length() > 0) {
sb.deleteCharAt(sb.length() - 1);
}
return sb.toString();
}
/**
* 将参数集合(事前做好排序)按分割符号拼凑字符串并加密为MD5
* example: mchnt_cd+"|" +order_id+"|"+order_amt+"|"+order_pay_type+"|"+page_notify_url+"|"+back_notify_url+"|"+order_valid_time+"|"+iss_ins_cd+"|"+goods_name+"|"+"+goods_display_url+"|"+rem+"|"+ver+"|"+mchnt_key
* @param parameters 参数集合
* @param separator 分隔符
* @return 参数排序好的值
*/
public static String parameters2MD5Str(Object parameters, String separator){
StringBuffer sb = new StringBuffer();
if (parameters instanceof LinkedHashMap) {
Set keys = (Set) ((LinkedHashMap)parameters).keySet();
for(String key : keys){
String val = ((LinkedHashMap)parameters).get(key).toString();
sb.append(val).append(separator);
}
}else if(parameters instanceof List){
for(BasicNameValuePair bnv :((List)parameters) ){
sb.append(bnv.getValue()).append(separator);
}
}
return StringUtils.isBlank(sb.toString())?"":sb.deleteCharAt(sb.length() - 1).toString();
}
/**
* 获取随机字符串
* @return 随机字符串
*/
public static String randomStr(){
return UUID.randomUUID().toString().replace("-", "");
}
/**
* 签名
*
* @param parameters 需要进行排序签名的参数
* @param key 密钥
* @param characterEncoding 编码格式
* @return 签名值
*/
public String sign(Map parameters, String key, String characterEncoding) {
return createSign(parameterText(parameters, "&"), key, characterEncoding);
}
/**
* 签名
* @param parameters 需要进行排序签名的参数
* @param key 密钥
* @param separator 分隔符 默认 &
* @param characterEncoding 编码格式
* @return 签名值
*/
public String sign(Map parameters, String key, String separator, String characterEncoding) {
return createSign(parameterText(parameters, separator), key, characterEncoding);
}
/**
* 签名
*
* @param content 需要签名的内容
* @param key 密钥
* @param characterEncoding 字符编码
* @return 签名值
*/
public abstract String createSign(String content, String key, String characterEncoding);
/**
* 签名字符串
*
* @param params 需要签名的字符串
* @param sign 签名结果
* @param key 密钥
* @param characterEncoding 编码格式
* @return 签名结果
*/
public boolean verify(Map params, String sign, String key, String characterEncoding){
//判断是否一样
return this.verify(parameterText(params), sign, key, characterEncoding);
}
/**
* 签名字符串
*
* @param text 需要签名的字符串
* @param sign 签名结果
* @param key 密钥
* @param characterEncoding 编码格式
* @return 签名结果
*/
public abstract boolean verify(String text, String sign, String key, String characterEncoding);
}
