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

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Here is the source code for com.netsteadfast.greenstep.sys.WsAuthenticateUtils.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 org.apache.commons.lang3.StringUtils;
import org.apache.shiro.subject.Subject;

import com.netsteadfast.greenstep.base.Constants;
import com.netsteadfast.greenstep.base.sys.IUSessLogHelper;
import com.netsteadfast.greenstep.base.sys.USessLogHelperImpl;
import com.netsteadfast.greenstep.util.EncryptorUtils;

public class WsAuthenticateUtils {
    private static IUSessLogHelper usessLogHelper;

    static {
        usessLogHelper = new USessLogHelperImpl();
    }

    public static String getAuthKey(String currentId, String account) throws Exception {
        if (StringUtils.isBlank(currentId) || StringUtils.isBlank(account)) {
            throw new Exception("null key.");
        }
        return EncryptorUtils.encrypt(Constants.getEncryptorKey1(), Constants.getEncryptorKey2(),
                currentId + ";" + account + ";" + System.currentTimeMillis());
    }

    public static boolean valid(String authenticate) throws Exception {
        if (StringUtils.isBlank(authenticate)) {
            throw new Exception("null key.");
        }
        String idStr = EncryptorUtils.decrypt(Constants.getEncryptorKey1(), Constants.getEncryptorKey2(),
                authenticate);
        if (StringUtils.isBlank(idStr)) {
            throw new Exception("null key.");
        }
        String id[] = idStr.split(";");
        if (id.length != 3) {
            return false;
        }
        if (StringUtils.isBlank(id[0]) || StringUtils.isBlank(id[1])) {
            return false;
        }
        return (usessLogHelper.countByCurrent(id[1], id[0]) > 0 ? true : false);
    }

    /**
     *  API ? 
     */
    public static String getDefaultUser() {
        return "admin";
    }

    public static Subject login() throws Exception {
        ShiroLoginSupport loginSupport = new ShiroLoginSupport();
        Subject subject = loginSupport.forceCreateLoginSubject(getDefaultUser());
        return subject;
    }

    public static void logout(Subject subject) throws Exception {
        if (subject != null) {
            subject.logout();
        }
    }

}