/*******************************************************************************
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* Copyright (c) 2005, 2014 springside.github.io
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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*******************************************************************************/
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package com.northglass.service.account;
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import java.io.Serializable;
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import javax.annotation.PostConstruct;
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import org.apache.shiro.authc.AuthenticationException;
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import org.apache.shiro.authc.AuthenticationInfo;
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import org.apache.shiro.authc.AuthenticationToken;
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import org.apache.shiro.authc.SimpleAuthenticationInfo;
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import org.apache.shiro.authc.UsernamePasswordToken;
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import org.apache.shiro.authc.credential.HashedCredentialsMatcher;
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import org.apache.shiro.authz.AuthorizationInfo;
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import org.apache.shiro.authz.SimpleAuthorizationInfo;
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import org.apache.shiro.realm.AuthorizingRealm;
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import org.apache.shiro.subject.PrincipalCollection;
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import org.apache.shiro.util.ByteSource;
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import com.northglass.entity.User;
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import org.springside.modules.utils.Encodes;
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import com.google.common.base.Objects;
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public class ShiroDbRealm extends AuthorizingRealm {
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protected AccountService accountService;
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/**
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* 认证回调函数,登录时调用.
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*/
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@Override
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protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authcToken) throws AuthenticationException {
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UsernamePasswordToken token = (UsernamePasswordToken) authcToken;
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User user = accountService.findUserByLoginName(token.getUsername());
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if (user != null) {
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byte[] salt = Encodes.decodeHex(user.getSalt());
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return new SimpleAuthenticationInfo(new ShiroUser(user.getId(), user.getLoginName(), user.getName()),
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user.getPassword(), ByteSource.Util.bytes(salt), getName());
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} else {
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return null;
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}
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}
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/**
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* 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.
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*/
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@Override
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protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) {
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ShiroUser shiroUser = (ShiroUser) principals.getPrimaryPrincipal();
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User user = accountService.findUserByLoginName(shiroUser.loginName);
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SimpleAuthorizationInfo info = new SimpleAuthorizationInfo();
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info.addRoles(user.getRoleList());
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return info;
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}
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/**
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* 设定Password校验的Hash算法与迭代次数.
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*/
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@PostConstruct
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public void initCredentialsMatcher() {
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HashedCredentialsMatcher matcher = new HashedCredentialsMatcher(AccountService.HASH_ALGORITHM);
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matcher.setHashIterations(AccountService.HASH_INTERATIONS);
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setCredentialsMatcher(matcher);
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}
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public void setAccountService(AccountService accountService) {
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this.accountService = accountService;
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}
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/**
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* 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.
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*/
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public static class ShiroUser implements Serializable {
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private static final long serialVersionUID = -1373760761780840081L;
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public Long id;
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public String loginName;
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public String name;
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public ShiroUser(Long id, String loginName, String name) {
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this.id = id;
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this.loginName = loginName;
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this.name = name;
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}
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public String getName() {
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return name;
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}
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/**
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* 本函数输出将作为默认的<shiro:principal/>输出.
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*/
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@Override
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public String toString() {
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return loginName;
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}
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/**
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* 重载hashCode,只计算loginName;
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*/
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@Override
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public int hashCode() {
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return Objects.hashCode(loginName);
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}
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/**
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* 重载equals,只计算loginName;
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*/
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@Override
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public boolean equals(Object obj) {
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if (this == obj) {
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return true;
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}
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if (obj == null) {
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return false;
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}
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if (getClass() != obj.getClass()) {
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return false;
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}
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ShiroUser other = (ShiroUser) obj;
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if (loginName == null) {
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if (other.loginName != null) {
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return false;
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}
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} else if (!loginName.equals(other.loginName)) {
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return false;
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}
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return true;
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}
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}
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}
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