cn.mypandora.shiro.realm.UserRealm.java Source code

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Here is the source code for cn.mypandora.shiro.realm.UserRealm.java

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/**
 * Copyright  2015.
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License");
 */
package cn.mypandora.shiro.realm;

import cn.mypandora.po.BaseUser;
import cn.mypandora.service.BaseUserService;
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;
import org.apache.shiro.util.ByteSource;

import javax.annotation.Resource;

/**
 * <p>User: kaibo
 * <p>Date: 2015/7/17
 * <p>Version: 1.0
 */
public class UserRealm extends AuthorizingRealm {
    @Resource
    private BaseUserService baseUserService;

    /**
     * ?Subject??
     *
     * @param principals
     * @return
     */
    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) {
        //????,(String)principals.fromRealm(this.getName()).iterator().next()
        String username = (String) principals.getPrimaryPrincipal();
        //???
        SimpleAuthorizationInfo authorizationInfo = new SimpleAuthorizationInfo();
        authorizationInfo.setRoles(baseUserService.findRole(username));
        authorizationInfo.setStringPermissions(baseUserService.findPermission(username));

        return authorizationInfo;
    }

    /**
     * ??subject
     *
     * @param token
     * @return
     * @throws AuthenticationException
     */
    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException {
        UsernamePasswordToken upToken = (UsernamePasswordToken) token;
        String username = upToken.getUsername().trim();
        BaseUser user = baseUserService.findUserByUsername(username);
        if (user == null) {
            throw new UnknownAccountException();//??
        }
        if (Boolean.TRUE.equals(user.getLocked())) {
            throw new LockedAccountException(); //???
        }

        //AuthenticatingRealmCredentialsMatcher????
        SimpleAuthenticationInfo authenticationInfo = new SimpleAuthenticationInfo(user.getUsername(), //??
                user.getPassword(), //?
                ByteSource.Util.bytes(user.getCredentialsSalt()), //salt=username+salt
                getName() //realm name
        );
        return authenticationInfo;
    }

    @Override
    public void clearCachedAuthorizationInfo(PrincipalCollection principals) {
        super.clearCachedAuthorizationInfo(principals);
    }

    @Override
    public void clearCachedAuthenticationInfo(PrincipalCollection principals) {
        super.clearCachedAuthenticationInfo(principals);
    }

    @Override
    public void clearCache(PrincipalCollection principals) {
        super.clearCache(principals);
    }

    public void clearAllCachedAuthorizationInfo() {
        getAuthorizationCache().clear();
    }

    public void clearAllCachedAuthenticationInfo() {
        getAuthenticationCache().clear();
    }

    public void clearAllCache() {
        clearAllCachedAuthenticationInfo();
        clearAllCachedAuthorizationInfo();
    }

}