package com.emr.shiro;

import org.apache.shiro.authc.*;
import org.apache.shiro.authz.AuthorizationInfo;
import org.apache.shiro.authz.SimpleAuthorizationInfo;
import org.apache.shiro.realm.AuthorizingRealm;
import org.apache.shiro.subject.PrincipalCollection;

/**
 * @author HJL
 * @create 2019/4/29
 */
public class MyRealm extends AuthorizingRealm {
      //获取权限列表
    /*@Autowired
    private PermissionService permissionService;
    //获取用户
    @Autowired
    private UserService userService;
    ////获取用户角色
    @Autowired
    private RoleService roleService;*/

    /**
     * 授权查询回调函数, 进行鉴权但缓存中无用户的授权信息时调用.
     */
    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
        //获取登录时输入的用户名
        String username = (String) principalCollection.getPrimaryPrincipal();
         username="123";
        if (username != null) {
            //获取用户信息
            //User user = userService.getUserByUsername(username);
            //获取用户角色
            //List<Role> roles = roleService.getRoles(username);
            //获取权限列表
            //List<String> permission = permissionService.getTheUrl(user.getId());

            SimpleAuthorizationInfo info = new SimpleAuthorizationInfo();
            info.addStringPermission("/login");
            info.addStringPermission("index1");
            info.addRole("0");
           /* if (permission != null && !permission.isEmpty()) {
                for (String url : permission) {
                    info.addStringPermission(url);//加入权限
                }
            }
            if (roles != null && !roles.isEmpty()) {
                for (Role role : roles) {
                    info.addRole(role.getRole());//加入角色
                }
            }*/
            return info;
        }
        return null;
    }

    /**
     * 认证回调函数,登录时调用.
     */
    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authenticationToken) throws AuthenticationException {
        UsernamePasswordToken token = (UsernamePasswordToken) authenticationToken;
        //通过表单接收的用户名
        String username = token.getUsername();
        System.out.println("username:" + username);
        if (username != null && !"".equals(username)) {
            /*User user = userService.getUserByUsername(username);
            if (user != null) {
                return new SimpleAuthenticationInfo(user.getUsername(), user.getPassword(), getName());
            }*/
            return new SimpleAuthenticationInfo(username, "123", getName());
        }
        System.out.println("认证失败");
        return null;
    }
}