/*******************************************************************************
* Copyright (c) 2005, 2014 springside.github.io
*
* Licensed under the Apache License, Version 2.0 (the "License");
*******************************************************************************/
package org.springside.examples.quickstart.service.account;
import java.io.Serializable;
import javax.annotation.PostConstruct;
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.UsernamePasswordToken;
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.subject.PrincipalCollection;
import org.apache.shiro.util.ByteSource;
import org.springside.examples.quickstart.entity.User;
import org.springside.modules.utils.Encodes;
import com.google.common.base.Objects;
public class ShiroDbRealm extends AuthorizingRealm {
protected AccountService accountService;
/**
* 认证回调函数,登录时调用.
*/
@Override
protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authcToken) throws AuthenticationException {
UsernamePasswordToken token = (UsernamePasswordToken) authcToken;
User user = accountService.findUserByLoginName(token.getUsername());
if (user != null) {
byte[] salt = Encodes.decodeHex(user.getSalt());
return new SimpleAuthenticationInfo(new ShiroUser(user.getId(), user.getLoginName(), user.getName()),
user.getPassword(), ByteSource.Util.bytes(salt), getName());
} else {
return null;
}
}
/**
* 授权查询回调函数, 进行鉴权但缓存中无用户的授权信息时调用.
*/
@Override
protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) {
ShiroUser shiroUser = (ShiroUser) principals.getPrimaryPrincipal();
User user = accountService.findUserByLoginName(shiroUser.loginName);
SimpleAuthorizationInfo info = new SimpleAuthorizationInfo();
info.addRoles(user.getRoleList());
return info;
}
/**
* 设定Password校验的Hash算法与迭代次数.
*/
@PostConstruct
public void initCredentialsMatcher() {
HashedCredentialsMatcher matcher = new HashedCredentialsMatcher(AccountService.HASH_ALGORITHM);
matcher.setHashIterations(AccountService.HASH_INTERATIONS);
setCredentialsMatcher(matcher);
}
public void setAccountService(AccountService accountService) {
this.accountService = accountService;
}
/**
* 自定义Authentication对象，使得Subject除了携带用户的登录名外还可以携带更多信息.
*/
public static class ShiroUser implements Serializable {
private static final long serialVersionUID = -1373760761780840081L;
public Long id;
public String loginName;
public String name;
public ShiroUser(Long id, String loginName, String name) {
this.id = id;
this.loginName = loginName;
this.name = name;
}
public String getName() {
return name;
}
/**
* 本函数输出将作为默认的<shiro:principal/>输出.
*/
@Override
public String toString() {
return loginName;
}
/**
* 重载hashCode,只计算loginName;
*/
@Override
public int hashCode() {
return Objects.hashCode(loginName);
}
/**
* 重载equals,只计算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;
}
}
}