cn.com.infcn.ade.system.service.UserRealm.java Source code

Java tutorial

Introduction

Here is the source code for cn.com.infcn.ade.system.service.UserRealm.java

Source

package cn.com.infcn.ade.system.service;

import java.io.Serializable;

import javax.annotation.PostConstruct;

import org.apache.commons.lang3.StringUtils;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.AuthenticationInfo;
import org.apache.shiro.authc.AuthenticationToken;
import org.apache.shiro.authc.SimpleAuthenticationInfo;
import org.apache.shiro.authc.credential.HashedCredentialsMatcher;
import org.apache.shiro.authz.AuthorizationInfo;
import org.apache.shiro.authz.SimpleAuthorizationInfo;
import org.apache.shiro.realm.AuthorizingRealm;
import org.apache.shiro.session.Session;
import org.apache.shiro.subject.PrincipalCollection;
import org.apache.shiro.util.ByteSource;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.DependsOn;
import org.springframework.stereotype.Service;

import cn.com.infcn.ade.common.utils.security.Encodes;
import cn.com.infcn.ade.system.exception.LicenseException;
import cn.com.infcn.ade.system.model.Permission;
import cn.com.infcn.ade.system.model.User;
import cn.com.infcn.ade.system.model.UserRole;
import cn.com.infcn.ade.system.utils.UsernamePasswordCaptchaToken;
import cn.com.infcn.superspider.service.CheckHandlerI;

import com.google.common.base.Objects;

/**
 * ?service(shrioRealm)
 * @author WChao
 * @date 2015114
 */
@Service
@DependsOn({ "userDao", "permissionDao", "rolePermissionDao" })
public class UserRealm extends AuthorizingRealm {

    @Autowired
    private UserService userService;
    @Autowired
    private PermissionService permissionService;

    @Autowired
    private CheckHandlerI checkHandler;

    /**
     * ?,.
     */
    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authcToken)
            throws AuthenticationException {
        try {
            checkHandler.checkExpireDate();
        } catch (Exception e) {
            // TODO Auto-generated catch block
            throw new LicenseException(e.getMessage(), e);
        }
        UsernamePasswordCaptchaToken token = (UsernamePasswordCaptchaToken) authcToken;
        User user = userService.getUser(token.getUsername());

        if (user != null && doCaptchaValidate(token)) {
            byte[] salt = Encodes.decodeHex(user.getSalt());
            ShiroUser shiroUser = new ShiroUser(user.getId(), user.getLoginName(), user.getName());
            //session
            Session session = SecurityUtils.getSubject().getSession();
            session.setAttribute("user", user);
            return new SimpleAuthenticationInfo(shiroUser, user.getPassword(), ByteSource.Util.bytes(salt),
                    getName());
        } else {
            return null;
        }
    }

    /**
     * ?, ???.
     */
    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) {
        ShiroUser shiroUser = (ShiroUser) principals.getPrimaryPrincipal();
        User user = userService.getUser(shiroUser.loginName);

        //principalssession key=userId value=principals
        SecurityUtils.getSubject().getSession().setAttribute(String.valueOf(user.getId()),
                SecurityUtils.getSubject().getPrincipals());

        SimpleAuthorizationInfo info = new SimpleAuthorizationInfo();
        //
        for (UserRole userRole : user.getUserRoles()) {
            info.addRole(userRole.getRole().getName());
        }
        //??
        for (Permission permission : permissionService.getPermissions(user.getId())) {
            if (StringUtils.isNotBlank(permission.getPermCode()))
                info.addStringPermission(permission.getPermCode());
        }

        //?
        userService.updateUserLogin(user);
        return info;
    }

    /**
     * ??
     * @param token
     * @return boolean
     */
    protected boolean doCaptchaValidate(UsernamePasswordCaptchaToken token) {
        /*String captcha = (String) SecurityUtils.getSubject().getSession().getAttribute(com.google.code.kaptcha.Constants.KAPTCHA_SESSION_KEY);
        if (captcha != null &&!captcha.equalsIgnoreCase(token.getCaptcha())){
           throw new CaptchaException("???");
        }*/
        return true;
    }

    /**
     * PasswordHash.
     */
    @SuppressWarnings("static-access")
    @PostConstruct
    public void initCredentialsMatcher() {
        HashedCredentialsMatcher matcher = new HashedCredentialsMatcher(userService.HASH_ALGORITHM);
        matcher.setHashIterations(userService.HASH_INTERATIONS);
        setCredentialsMatcher(matcher);
    }

    /**
     * AuthenticationSubject??????.
     */
    public static class ShiroUser implements Serializable {
        private static final long serialVersionUID = -1373760761780840081L;
        public Integer id;
        public String loginName;
        public String name;

        public ShiroUser(Integer id, String loginName, String name) {
            this.id = id;
            this.loginName = loginName;
            this.name = name;
        }

        public Integer getId() {
            return id;
        }

        public String getName() {
            return name;
        }

        /**
         * <shiro:principal/>.
         */
        @Override
        public String toString() {
            return loginName;
        }

        /**
         * ?hashCode,?loginName;
         */
        @Override
        public int hashCode() {
            return Objects.hashCode(loginName);
        }

        /**
         * ?equals,?loginName;
         */
        @Override
        public boolean equals(Object obj) {
            if (this == obj) {
                return true;
            }
            if (obj == null) {
                return false;
            }
            if (getClass() != obj.getClass()) {
                return false;
            }
            ShiroUser other = (ShiroUser) obj;
            if (loginName == null) {
                if (other.loginName != null) {
                    return false;
                }
            } else if (!loginName.equals(other.loginName)) {
                return false;
            }
            return true;
        }
    }

    @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();
    }

}