shiro(二)

public class AuthorizerTest {

    @Test
    public void testIsPermitted() {
        login("classpath:shiro-authorizer.ini", "zhang", "123");
        //判断拥有权限：user:create
        Assert.assertTrue(subject().isPermitted("user1:update"));
        Assert.assertTrue(subject().isPermitted("user2:update"));
        //通过二进制位的方式表示权限
        Assert.assertTrue(subject().isPermitted("+user1+2"));//新增权限
        Assert.assertTrue(subject().isPermitted("+user1+8"));//查看权限
        Assert.assertTrue(subject().isPermitted("+user2+10"));//新增及查看

        Assert.assertFalse(subject().isPermitted("+user1+4"));//没有删除权限

        Assert.assertTrue(subject().isPermitted("menu:view"));//通过MyRolePermissionResolver解析得到的权限
    }

    protected void login(String configFile, String username, String password) {
        //1、获取SecurityManager工厂，此处使用Ini配置文件初始化SecurityManager
        Factory<org.apache.shiro.mgt.SecurityManager> factory =
                new IniSecurityManagerFactory(configFile);

        //2、得到SecurityManager实例 并绑定给SecurityUtils
        org.apache.shiro.mgt.SecurityManager securityManager = factory.getInstance();
        SecurityUtils.setSecurityManager(securityManager);

        //3、得到Subject及创建用户名/密码身份验证Token（即用户身份/凭证）
        Subject subject = SecurityUtils.getSubject();
        UsernamePasswordToken token = new UsernamePasswordToken(username, password);

        subject.login(token);

    }

} 

public class MyRealm extends AuthorizingRealm
{
	@Override
	protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) 
	{
	//授权，实际中从数据库中给用户访问页面的权限，从页面的操作都可以在这进行授权，如下面注释
/*        String username = (String) principals.fromRealm(getName()).iterator().next();
        if (username != null) {
            User user = userService.getByUsername(username);
            if (user != null){
                SimpleAuthorizationInfo info = new SimpleAuthorizationInfo();
                List<AuthMenu> menuList = userService.getMenuList(user.getId());
                for (AuthMenu menu : menuList){
                    if (StringUtils.isNotBlank(menu.getPermission())){
                        // 添加基于Permission的权限信息
                        for (String permission : StringUtils.split(menu.getPermission(),",")){
                            info.addStringPermission(permission);
                        }
                    }
                }*/
		SimpleAuthorizationInfo authorizationInfo = new SimpleAuthorizationInfo();
	    authorizationInfo.addRole("role1");
	    authorizationInfo.addRole("role2");

	    authorizationInfo.addObjectPermission(new WildcardPermission("user1:*"));
	    authorizationInfo.addStringPermission("+user2+10");
	    authorizationInfo.addStringPermission("user2:*");
        return authorizationInfo;
    }

	@Override
	protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token)
			throws AuthenticationException {
		// 认证，subject.login时调用，一般验证用户名和密码
        String username = (String)token.getPrincipal();  //得到用户名
        String password = new String((char[])token.getCredentials()); //得到密码
        if(!"zhang".equals(username)) {
            throw new UnknownAccountException(); //如果用户名错误
        }
        if(!"123".equals(password)) {
            throw new IncorrectCredentialsException(); //如果密码错误
        }
        //如果身份认证验证成功，返回一个AuthenticationInfo实现；
        return new SimpleAuthenticationInfo(username, password, getName());
	}

}