package com.javaweb.framework.shiro.service;
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import java.util.concurrent.atomic.AtomicInteger;
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import javax.annotation.PostConstruct;
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import org.apache.shiro.cache.Cache;
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import org.apache.shiro.cache.CacheManager;
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import org.apache.shiro.crypto.hash.Md5Hash;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.stereotype.Component;
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import com.javaweb.common.constant.Constants;
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import com.javaweb.common.constant.ShiroConstants;
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import com.javaweb.common.exception.user.UserPasswordNotMatchException;
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import com.javaweb.common.exception.user.UserPasswordRetryLimitExceedException;
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import com.javaweb.common.utils.MessageUtils;
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import com.javaweb.framework.manager.AsyncManager;
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import com.javaweb.framework.manager.factory.AsyncFactory;
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import com.javaweb.system.domain.SysUser;
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/**
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* 登录密码方法
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*
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* @author ruoyi
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*/
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@Component
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public class SysPasswordService
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{
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@Autowired
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private CacheManager cacheManager;
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private Cache<String, AtomicInteger> loginRecordCache;
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@Value(value = "${user.password.maxRetryCount}")
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private String maxRetryCount;
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@PostConstruct
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public void init()
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{
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loginRecordCache = cacheManager.getCache(ShiroConstants.LOGINRECORDCACHE);
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}
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public void validate(SysUser user, String password)
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{
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String loginName = user.getLoginName();
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AtomicInteger retryCount = loginRecordCache.get(loginName);
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if (retryCount == null)
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{
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retryCount = new AtomicInteger(0);
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loginRecordCache.put(loginName, retryCount);
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}
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if (retryCount.incrementAndGet() > Integer.valueOf(maxRetryCount).intValue())
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{
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AsyncManager.me().execute(AsyncFactory.recordLogininfor(loginName, Constants.LOGIN_FAIL, MessageUtils.message("user.password.retry.limit.exceed", maxRetryCount)));
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throw new UserPasswordRetryLimitExceedException(Integer.valueOf(maxRetryCount).intValue());
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}
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if (!matches(user, password))
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{
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AsyncManager.me().execute(AsyncFactory.recordLogininfor(loginName, Constants.LOGIN_FAIL, MessageUtils.message("user.password.retry.limit.count", retryCount)));
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loginRecordCache.put(loginName, retryCount);
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throw new UserPasswordNotMatchException();
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}
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else
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{
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clearLoginRecordCache(loginName);
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}
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}
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public boolean matches(SysUser user, String newPassword)
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{
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return user.getPassword().equals(encryptPassword(user.getLoginName(), newPassword, user.getSalt()));
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}
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public void clearLoginRecordCache(String username)
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{
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loginRecordCache.remove(username);
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}
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public String encryptPassword(String username, String password, String salt)
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{
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return new Md5Hash(username + password + salt).toHex().toString();
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}
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public void unlock(String loginName){
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loginRecordCache.remove(loginName);
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}
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}
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