cn.stylefeng.roses.kernel.sign.service.impl.SimpleSignService Maven / Gradle / Ivy
/**
* Copyright 2018-2020 stylefeng & fengshuonan ([email protected])
*
* 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 cn.stylefeng.roses.kernel.sign.service.impl;
import cn.hutool.core.date.DateUtil;
import cn.stylefeng.roses.core.util.SpringContextHolder;
import cn.stylefeng.roses.core.util.ToolUtil;
import cn.stylefeng.roses.kernel.sign.config.properties.SignProperties;
import cn.stylefeng.roses.kernel.sign.service.SignService;
import lombok.extern.slf4j.Slf4j;
import java.util.Date;
/**
* 签名方法默认实现，通过md5加密方式
*
* @author fengshuonan
* @date 2018-07-24-下午4:35
*/
@Slf4j
public class SimpleSignService implements SignService {
private static final long DEAULT_SIGN_EXPIRED_SECONDS = 60;
/**
* 获取配置文件中的签名失效时间
*
* @author fengshuonan
* @date 2018-05-08 14:02
*/
private static long getExpiredTime() {
SignProperties signProperties = null;
try {
signProperties = SpringContextHolder.getBean(SignProperties.class);
} catch (RuntimeException e) {
return DEAULT_SIGN_EXPIRED_SECONDS;
}
if (signProperties == null || signProperties.getTime() == 0L) {
return DEAULT_SIGN_EXPIRED_SECONDS;
} else {
return signProperties.getTime();
}
}
/**
* 生成签名
*
* @author fengshuonan
* @date 2018-05-08 14:02
*/
public static String generateSign(String appId, String secret, String timestamp, String data) {
if (ToolUtil.isOneEmpty(appId, secret, timestamp, data)) {
throw new IllegalArgumentException("签名参数为空!appId=" + appId + ",secret=" + secret + ",timestamp=" + timestamp + ",data=" + data);
} else {
StringBuffer buf = new StringBuffer();
buf.append(appId);
buf.append(secret);
buf.append(timestamp);
buf.append(data);
return ToolUtil.md5Hex(buf.toString());
}
}
/**
* 校验签名是否有效
*
* @author fengshuonan
* @date 2018-05-08 14:02
*/
public static boolean validateSign(String appId, String secret, String timestamp, String data, String sign) {
return validateSign(appId, secret, timestamp, data, sign, getExpiredTime());
}
/**
* 校验签名是否有效
*
* @author fengshuonan
* @date 2018-05-08 14:02
*/
public static boolean validateSign(String appId, String secret, String timestamp, String data, String sign, long expiredSeconds) {
if (ToolUtil.isOneEmpty(appId, secret, timestamp, data, sign)) {
throw new IllegalArgumentException("签名参数为空!appId=" + appId + ",secret=" + secret + ",timestamp=" + timestamp + ",data=" + data + ",sign=" + sign);
}
Date timestampDate = null;
try {
timestampDate = DateUtil.parse(timestamp, "yyyy-MM-dd HH:mm:ss");
} catch (Exception e) {
log.error("校验签名是否有效异常！时间转化异常！", e);
return false;
}
long now = System.currentTimeMillis();
long signTime = timestampDate.getTime();
if ((now - signTime) / 1000 > expiredSeconds) {
return false;
}
String nowSign = generateSign(appId, secret, timestamp, data);
if (nowSign.equals(sign)) {
return true;
} else {
return false;
}
}
}