com.netsteadfast.greenstep.sys.GreenStepBaseAuthorizingLdapRealm.java Source code

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Here is the source code for com.netsteadfast.greenstep.sys.GreenStepBaseAuthorizingLdapRealm.java

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/* 
 * Copyright 2012-2016 bambooCORE, greenstep of copyright Chen Xin Nien
 * 
 * Licensed 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.
 * 
 * -----------------------------------------------------------------------
 * 
 * author:    Chen Xin Nien
 * contact: chen.xin.nien@gmail.com
 * 
 */
package com.netsteadfast.greenstep.sys;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.annotation.Resource;

import org.apache.commons.lang3.StringUtils;
import org.apache.shiro.authz.AuthorizationInfo;
import org.apache.shiro.authz.SimpleAuthorizationInfo;
import org.apache.shiro.realm.ldap.DefaultLdapRealm;
import org.apache.shiro.subject.PrincipalCollection;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Required;

import com.netsteadfast.greenstep.po.hbm.TbRolePermission;
import com.netsteadfast.greenstep.po.hbm.TbUserRole;
import com.netsteadfast.greenstep.service.IRolePermissionService;
import com.netsteadfast.greenstep.service.IUserRoleService;
import com.netsteadfast.greenstep.vo.RolePermissionVO;
import com.netsteadfast.greenstep.vo.UserRoleVO;

public class GreenStepBaseAuthorizingLdapRealm extends DefaultLdapRealm {
    private IUserRoleService<UserRoleVO, TbUserRole, String> userRoleService;
    private IRolePermissionService<RolePermissionVO, TbRolePermission, String> rolePermissionService;

    public GreenStepBaseAuthorizingLdapRealm() {
        super();
    }

    public IUserRoleService<UserRoleVO, TbUserRole, String> getUserRoleService() {
        return userRoleService;
    }

    @Autowired
    @Resource(name = "core.service.UserRoleService")
    @Required
    public void setUserRoleService(IUserRoleService<UserRoleVO, TbUserRole, String> userRoleService) {
        this.userRoleService = userRoleService;
    }

    public IRolePermissionService<RolePermissionVO, TbRolePermission, String> getRolePermissionService() {
        return rolePermissionService;
    }

    @Autowired
    @Resource(name = "core.service.RolePermissionService")
    @Required
    public void setRolePermissionService(
            IRolePermissionService<RolePermissionVO, TbRolePermission, String> rolePermissionService) {
        this.rolePermissionService = rolePermissionService;
    }

    private SimpleAuthorizationInfo getSimpleAuthorizationInfo(String username) throws Exception {
        Map<String, Object> params = new HashMap<String, Object>();
        params.put("account", username);
        List<TbUserRole> roleList = userRoleService.findListByParams(params);
        if (roleList == null) {
            return null;
        }
        SimpleAuthorizationInfo info = new SimpleAuthorizationInfo();
        for (TbUserRole userRole : roleList) {
            info.addRole(userRole.getRole());
            params.clear();
            params.put("role", userRole.getRole());
            List<TbRolePermission> rolePermissionList = rolePermissionService.findListByParams(params);
            if (rolePermissionList == null) {
                continue;
            }
            for (TbRolePermission rolePermission : rolePermissionList) {
                info.addStringPermission(rolePermission.getPermission());
            }
        }
        return info;
    }

    /**
     * 
     */
    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) {
        String username = (String) principals.fromRealm(this.getName()).iterator().next();
        if (username == null || StringUtils.isBlank(username)) {
            return null;
        }
        try {
            return this.getSimpleAuthorizationInfo(username);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

}