com.persistent.cloudninja.scheduler.TenantCreationTask.java Source code

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Here is the source code for com.persistent.cloudninja.scheduler.TenantCreationTask.java

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/*******************************************************************************
 * Copyright 2012 Persistent Systems Ltd.
 * 
 * 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.
 ******************************************************************************/
package com.persistent.cloudninja.scheduler;

import java.net.URISyntaxException;
import java.security.InvalidKeyException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

import org.apache.commons.codec.binary.Hex;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.util.StopWatch;

import com.microsoft.windowsazure.services.core.storage.StorageException;
import com.persistent.cloudninja.dao.TaskCompletionDao;
import com.persistent.cloudninja.service.ProvisioningService;
import com.persistent.cloudninja.transferObjects.ProvisioningTenantDTO;
import com.persistent.cloudninja.utils.SchedulerSettings;
import com.persistent.cloudninja.utils.StorageClientUtility;

/**
 * Task which listens to TenantCreationQueue. After receiving a message it provisions
 * a tenant specified in the message.
 */
@Component
public class TenantCreationTask extends TaskActivityBase {

    private static final Logger LOGGER = Logger.getLogger(TenantCreationTask.class);

    @Autowired
    private ProvisioningService provisioningService;

    @Autowired
    private TaskCompletionDao taskCompletionDao;

    public TenantCreationTask() throws InvalidKeyException, URISyntaxException {
        super(new TenantCreationQueue(SchedulerSettings.TenantCreationQueue,
                StorageClientUtility.getCloudStorageAccount().createCloudQueueClient()));
    }

    @Override
    public boolean execute() {
        boolean retval = true;
        try {
            TenantCreationQueue tntCreationQueue = (TenantCreationQueue) getWorkQueue();
            String message = tntCreationQueue.dequeue(SchedulerSettings.MessageVisibilityTimeout);
            if (message == null) {
                LOGGER.debug("Msg is null");
                retval = false;
            } else {
                StopWatch watch = new StopWatch();
                watch.start();
                ProvisioningTenantDTO provisioningTenantDTO = createDTOfromMessage(message);
                boolean tenantCreationSuccess = provisioningService.provisionTenant(provisioningTenantDTO);
                if (tenantCreationSuccess) {
                    LOGGER.debug("tenant created :" + provisioningTenantDTO.getTenantId());
                } else {
                    LOGGER.debug(
                            "tenant creation for tenant ID :" + provisioningTenantDTO.getTenantId() + " failed.");
                }
                watch.stop();
                taskCompletionDao.updateTaskCompletionDetails(watch.getTotalTimeSeconds(), "ProvisionTenantWork",
                        "Tenant " + provisioningTenantDTO.getTenantId() + " is created.");
            }
        } catch (StorageException e) {
            retval = false;
            LOGGER.error(e.getMessage(), e);
        }
        return retval;
    }

    private ProvisioningTenantDTO createDTOfromMessage(String message) {
        ProvisioningTenantDTO provisioningTenantDTO = new ProvisioningTenantDTO();
        String[] strArr = message.split(",");
        String hexPassword;

        provisioningTenantDTO.setTenantId(strArr[0]);
        provisioningTenantDTO.setCompanyName(strArr[1]);
        provisioningTenantDTO.setMemberId(strArr[2]);
        if (strArr.length > 3) {
            //this scenario is for CustomSTS which returns
            //member name and password
            provisioningTenantDTO.setMemberName(strArr[3]);
            // Get the SHA1 encoded password
            String password = strArr[4];
            if (!password.isEmpty()) {
                hexPassword = getSHA1hexPassword(strArr[4]);
                provisioningTenantDTO.setMemberPassword(hexPassword);
            } else {
                provisioningTenantDTO.setMemberPassword("");
            }
        }
        if (strArr.length > 5) {
            //this scenario is for WindowsLiveID which returns
            //invitation code
            provisioningTenantDTO.setInvitationCode(strArr[5]);
        }

        return provisioningTenantDTO;
    }

    /**
     * This method returns the SHA-1 encoded HexPassword
     * 
     * @param password
     *            the plain text password
     * @return hexpassword The SHA-1 encoded Hex password.
     */
    private String getSHA1hexPassword(String password) {

        String hexPassword = "";

        if (password != null && password.length() > 0) {

            try {
                MessageDigest sha1Digest = MessageDigest.getInstance("SHA-1");
                sha1Digest.update(password.getBytes());
                hexPassword = new String(Hex.encodeHex(sha1Digest.digest())).toUpperCase();
            } catch (NoSuchAlgorithmException e) {
                e.printStackTrace();
            }
        }
        return hexPassword;
    }
}