com.studyshiro.helloworld.Hello.java Source code

Introduction

Here is the source code for com.studyshiro.helloworld.Hello.java

Source

package com.studyshiro.helloworld;

import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.*;
import org.apache.shiro.config.IniSecurityManagerFactory;
import org.apache.shiro.mgt.SecurityManager;
import org.apache.shiro.session.Session;
import org.apache.shiro.subject.Subject;
import org.apache.shiro.util.Factory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Simple Quickstart application showing how to use Shiro's API.
 *
 * @since 0.9 RC2
 */
public class Hello {

    private static final transient Logger log = LoggerFactory.getLogger(Hello.class);

    public static void main(String[] args) {
        //1??SecurityManagerIni??SecurityManager
        Factory<SecurityManager> factory = new IniSecurityManagerFactory("classpath:hello.ini");
        //2?SecurityManager SecurityUtils
        SecurityManager securityManager = factory.getInstance();
        SecurityUtils.setSecurityManager(securityManager);

        // ?? Subject.  SecurityUtils.getSubject();
        Subject currentUser = SecurityUtils.getSubject();

        //  Session
        // ? Session: Subject#getSession()
        Session session = currentUser.getSession();
        session.setAttribute("someKey", "aValue");
        String value = (String) session.getAttribute("someKey");
        if (value.equals("aValue")) {
            log.info("---> Retrieved the correct value! [" + value + "]");
        }

        // ????. ???. ???
        //  Subject  isAuthenticated()
        if (!currentUser.isAuthenticated()) {
            // ???? UsernamePasswordToken 
            UsernamePasswordToken token = new UsernamePasswordToken("Zhang", "123456");
            // rememberme
            token.setRememberMe(true);
            try {
                // .
                currentUser.login(token);
            }
            // ,  shiro  UnknownAccountException .
            catch (UnknownAccountException uae) {
                log.info("----> There is no user with username of " + token.getPrincipal());
                return;
            }
            // , ???,  shiro  IncorrectCredentialsException 
            catch (IncorrectCredentialsException ice) {
                log.info("----> Password for account " + token.getPrincipal() + " was incorrect!");
                return;
            }
            // ? LockedAccountException
            catch (LockedAccountException lae) {
                log.info("The account for username " + token.getPrincipal() + " is locked.  "
                        + "Please contact your administrator to unlock it.");
            }
            // ... catch more exceptions here (maybe custom ones specific to your application?
            // ?.
            catch (AuthenticationException ae) {
                //unexpected condition?  error?
            }
        }
        //say who they are:
        //print their identifying principal (in this case, a username):
        //principals????????principals?Primary principals??/?/?
        log.info("----> User [" + currentUser.getPrincipal() + "] logged in successfully.");

        //test a role:
        // ??.  Subject  hasRole .
        if (currentUser.hasRole("roleStudent")) {
            log.info("----> May the roleStudent be with you!");
        } else {
            log.info("----> Hello, mere mortal.");
            return;
        }

        //test a typed permission (not instance-level)
        // ??.  Subject  isPermitted() 
        if (currentUser.isPermitted("wc:testContent")) {
            log.info("----> You may use a wc ring.  Use it wisely.");
        } else {
            log.info("Sorry, wc rings are for roleStudent masters only.");
        }

        //a (very powerful) Instance Level permission:
        // ??.
        if (currentUser.isPermitted("user:delete:zhaochunyu")) {
            log.info("----> You are permitted to 'drive' the winnebago with license plate (id) 'eagle5'.  "
                    + "Here are the keys - have fun!");
        } else {
            log.info("Sorry, you aren't allowed to drive the 'eagle5' winnebago!");
        }

        //all done - log out!
        // .  Subject  Logout() . ---->true
        System.out.println("---->" + currentUser.isAuthenticated());
        //
        currentUser.logout();

        //---->false
        System.out.println("---->" + currentUser.isAuthenticated());

        System.exit(0);
    }
}