com.hhz.tms.admin.service.ShiroDbRealm.java Source code

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Here is the source code for com.hhz.tms.admin.service.ShiroDbRealm.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package com.hhz.tms.admin.service;

import java.util.ArrayList;
import java.util.List;

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.springframework.beans.factory.annotation.Autowired;
import org.springside.modules.utils.Encodes;

import com.hhz.tms.admin.service.sys.UserService;
import com.hhz.tms.entity.sys.Permission;
import com.hhz.tms.entity.sys.Role;
import com.hhz.tms.entity.sys.User;
import com.hhz.tms.util.CollectionUtil;

public class ShiroDbRealm extends AuthorizingRealm {
    @Autowired
    private UserService userService;

    /**
     * ?,.
     */
    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authcToken)
            throws AuthenticationException {
        UsernamePasswordToken token = (UsernamePasswordToken) authcToken;
        User user = userService.findUserByLoginName(token.getUsername());
        if (user != null) {
            byte[] salt = Encodes.decodeHex(user.getSalt());
            return new SimpleAuthenticationInfo(token.getUsername(), user.getPassword(),
                    ByteSource.Util.bytes(salt), getName());
        } else {
            return null;
        }
    }

    /**
     * ?, ???.
     */
    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) {
        String loginName = (String) principals.getPrimaryPrincipal();
        User user = userService.findUserByLoginName(loginName);
        SimpleAuthorizationInfo info = new SimpleAuthorizationInfo();
        List<Role> roles = user.getRoles();

        List<String> roleCds = CollectionUtil.getPropList(roles, "roleCd");
        info.addRoles(roleCds);
        info.addStringPermissions(getAllPerms(roles));
        return info;
    }

    private List<String> getAllPerms(List<Role> roles) {
        List<Permission> permissions = new ArrayList<Permission>();
        for (Role role : roles) {
            if (role.getPermissions() != null) {
                permissions.addAll(role.getPermissions());
            }
        }
        List<String> permCds = CollectionUtil.getPropList(permissions, "permCd");
        return permCds;
    }

    /**
     * PasswordHash.
     */
    @PostConstruct
    public void initCredentialsMatcher() {
        HashedCredentialsMatcher matcher = new HashedCredentialsMatcher(UserService.HASH_ALGORITHM);
        matcher.setHashIterations(UserService.HASH_INTERATIONS);

        setCredentialsMatcher(matcher);
    }

}