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package com.hmit.kernes.shiro;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.apache.commons.lang.StringUtils;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.AuthenticationInfo;
import org.apache.shiro.authc.AuthenticationToken;
import org.apache.shiro.authc.IncorrectCredentialsException;
import org.apache.shiro.authc.LockedAccountException;
import org.apache.shiro.authc.SimpleAuthenticationInfo;
import org.apache.shiro.authc.UnknownAccountException;
import org.apache.shiro.authz.AuthorizationInfo;
import org.apache.shiro.authz.SimpleAuthorizationInfo;
import org.apache.shiro.realm.AuthorizingRealm;
import org.apache.shiro.subject.PrincipalCollection;
import org.springframework.beans.factory.annotation.Autowired;
import com.hmit.kernes.entity.SysMenuEntity;
import com.hmit.kernes.entity.SysUserEntity;
import com.hmit.kernes.service.SysMenuService;
import com.hmit.kernes.service.SysUserService;
/**
* 认证
*
* @author kernespring
* @email kernespring@gmail.com
* @date 2016年11月10日 上午11:55:49
*/
public class UserRealm extends AuthorizingRealm {
@Autowired
private SysUserService sysUserService;
@Autowired
private SysMenuService sysMenuService;
/**
* 授权(验证权限时调用)
*/
@Override
protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) {
SysUserEntity user = (SysUserEntity)principals.getPrimaryPrincipal();
Long userId = user.getUserId();
List<String> permsList = null;
//系统管理员，拥有最高权限
if(userId == 1){
List<SysMenuEntity> menuList = sysMenuService.queryList(new HashMap<String, Object>());
permsList = new ArrayList<>(menuList.size());
for(SysMenuEntity menu : menuList){
permsList.add(menu.getPerms());
}
}else{
permsList = sysUserService.queryAllPerms(userId);
}
//用户权限列表
Set<String> permsSet = new HashSet<String>();
for(String perms : permsList){
if(StringUtils.isBlank(perms)){
continue;
}
permsSet.addAll(Arrays.asList(perms.trim().split(",")));
}
SimpleAuthorizationInfo info = new SimpleAuthorizationInfo();
info.setStringPermissions(permsSet);
return info;
}
/**
* 认证(登录时调用)
*/
@Override
protected AuthenticationInfo doGetAuthenticationInfo(
AuthenticationToken token) throws AuthenticationException {
String username = (String) token.getPrincipal();
String password = new String((char[]) token.getCredentials());
//查询用户信息
SysUserEntity user = sysUserService.queryByUserName(username);
//账号不存在
if(user == null) {
throw new UnknownAccountException("账号或密码不正确");
}
//密码错误
if(!password.equals(user.getPassword())) {
throw new IncorrectCredentialsException("账号或密码不正确");
}
//账号锁定
if(user.getStatus() == 0){
throw new LockedAccountException("账号已被锁定,请联系管理员");
}
SimpleAuthenticationInfo info = new SimpleAuthenticationInfo(user, password, getName());
return info;
}
}