cn.hh.study.shiro.QuickStart.java Source code

Introduction

Here is the source code for cn.hh.study.shiro.QuickStart.java

Source

package cn.hh.study.shiro;

import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.IncorrectCredentialsException;
import org.apache.shiro.authc.LockedAccountException;
import org.apache.shiro.authc.UnknownAccountException;
import org.apache.shiro.authc.UsernamePasswordToken;
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;

// ??????IBMshiro quick start
public class QuickStart {

    private static Logger logger = LoggerFactory.getLogger(QuickStart.class);

    public static void main(String[] args) {
        // Using the IniSecurityManagerFactory, which will use the an INI file
        // as the security file.
        //  ini ?? ?(IniSecurityManagerFactory)
        Factory<SecurityManager> factory = new IniSecurityManagerFactory("classpath:shiro.ini");

        // Setting up the SecurityManager...
        SecurityManager securityManager = factory.getInstance();
        // SecurityUtils  singleton???????
        // ? SecurityManager
        // ???? SecurityUtils.getSubject() ???
        SecurityUtils.setSecurityManager(securityManager);

        // get the currently executing user:
        Subject currentUser = SecurityUtils.getSubject();

        logger.info("User is authenticated:  " + currentUser.isAuthenticated());

        // Do some stuff with a Session (no need for a web or EJB container!!!)
        Session session = currentUser.getSession();
        session.setAttribute("someKey", "aValue");
        String value = (String) session.getAttribute("someKey");
        if (value.equals("aValue")) {
            logger.info("Retrieved the correct value! [" + value + "]");
        }

        // let's login the current user so we can check against roles and
        // permissions:
        if (!currentUser.isAuthenticated()) {
            // 
            UsernamePasswordToken token = new UsernamePasswordToken("presidentskroob", "12345");
            token.setRememberMe(true);
            try {
                currentUser.login(token);// 
            } catch (UnknownAccountException uae) {
                logger.info("There is no user with username of " + token.getPrincipal());
            } catch (IncorrectCredentialsException ice) {
                logger.info("Password for account " + token.getPrincipal() + " was incorrect!");
            } catch (LockedAccountException lae) {
                logger.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):
        logger.info("User [" + currentUser.getPrincipal() + "] logged in successfully.");

        // test a role:
        if (currentUser.hasRole("schwartz")) {
            logger.info("May the Schwartz be with you!");
        } else {
            logger.info("Hello, mere mortal.");
        }
        if (currentUser.hasRole("goodguy")) {
            logger.info("May the goodguy be with you!");
        } else {
            logger.info("Hello, mere mortal.");
        }

        // test a typed permission (not instance-level)
        if (currentUser.isPermitted("lightsaber:weild")) {
            logger.info("You may use a lightsaber ring.  Use it wisely.");
        } else {
            logger.info("Sorry, lightsaber rings are for schwartz masters only.");
        }

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

        // all done - log out!
        currentUser.logout();// 

    }
}