1: <?php
  2: 
  3: /**
  4:  * A cron task for backup up the system database and select folders
  5:  * 
  6:  * @package alpha::tasks
  7:  * @since 1.1
  8:  * @author John Collins <dev@alphaframework.org>
  9:  * @version $Id: BackupTask.inc 1548 2012-07-29 17:07:07Z alphadevx $
 10:  * @license http://www.opensource.org/licenses/bsd-license.php The BSD License
 11:  * @copyright Copyright (c) 2012, John Collins (founder of Alpha Framework).  
 12:  * All rights reserved.
 13:  * 
 14:  * <pre>
 15:  * Redistribution and use in source and binary forms, with or 
 16:  * without modification, are permitted provided that the 
 17:  * following conditions are met:
 18:  * 
 19:  * * Redistributions of source code must retain the above 
 20:  *   copyright notice, this list of conditions and the 
 21:  *   following disclaimer.
 22:  * * Redistributions in binary form must reproduce the above 
 23:  *   copyright notice, this list of conditions and the 
 24:  *   following disclaimer in the documentation and/or other 
 25:  *   materials provided with the distribution.
 26:  * * Neither the name of the Alpha Framework nor the names 
 27:  *   of its contributors may be used to endorse or promote 
 28:  *   products derived from this software without specific 
 29:  *   prior written permission.
 30:  *   
 31:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 
 32:  * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 
 33:  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
 34:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
 35:  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 
 36:  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
 37:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
 38:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
 39:  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
 40:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
 41:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 
 42:  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
 43:  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 44:  * </pre>
 45:  *  
 46:  */
 47: class BackupTask implements AlphaTaskInterface {
 48:     /**
 49:      * Trace logger
 50:      * 
 51:      * @var Logger
 52:      */
 53:     private static $logger = null;
 54:     
 55:     /**
 56:      * (non-PHPdoc)
 57:      * @see alpha/util/AlphaTaskInterface#doTask()
 58:      */
 59:     public function doTask() {
 60:         global $config;
 61:         
 62:         self::$logger = new Logger('BackupTask');
 63:         self::$logger->setLogFile($config->get('app.root').'logs/tasks.log');
 64:         
 65:         if(!file_exists($config->get('backup.dir')))
 66:             mkdir($config->get('backup.dir'));
 67:             
 68:         $targetDir = $config->get('backup.dir').date("Y-m-d").'/';
 69:             
 70:         if(file_exists($targetDir))
 71:             AlphaFileUtils::deleteDirectoryContents($targetDir);
 72:         
 73:         if(!file_exists($targetDir))
 74:             mkdir($targetDir);
 75:             
 76:         $back = new AlphaBackUpUtils();
 77:         $back->backUpAttachmentsAndLogs($targetDir);
 78:         $back->backUpDatabase($targetDir);
 79:         
 80:         $additionalDirectories = explode(',', $config->get('backup.include.dirs'));
 81:         
 82:         if(count($additionalDirectories) > 0) {
 83:             foreach($additionalDirectories as $additionalDirectory)
 84:                 AlphaFileUtils::copy($additionalDirectory, $targetDir.basename($additionalDirectory));
 85:         }
 86:         
 87:         if($config->get('backup.compress')) {
 88:             AlphaFileUtils::zip($targetDir, $targetDir.date("Y-m-d").'.zip');
 89:             
 90:             // we can safely remove the uncompressed files now to save space...
 91:             AlphaFileUtils::deleteDirectoryContents($targetDir.'logs');
 92:             rmdir($targetDir.'logs');
 93:             
 94:             AlphaFileUtils::deleteDirectoryContents($targetDir.'attachments');
 95:             rmdir($targetDir.'attachments');
 96:             
 97:             unlink($targetDir.$config->get('db.name').'_'.date("Y-m-d").'.sql');
 98:             
 99:             if(count($additionalDirectories) > 0) {
100:                 foreach($additionalDirectories as $additionalDirectory) {
101:                     AlphaFileUtils::deleteDirectoryContents($targetDir.basename($additionalDirectory));
102:                     rmdir($targetDir.basename($additionalDirectory));
103:                 }
104:             }
105:         }
106:     }
107:     
108:     /**
109:      * (non-PHPdoc)
110:      * @see alpha/util/AlphaTaskInterface#getMaxRunTime()
111:      */
112:     public function getMaxRunTime() {
113:         return 180;
114:     }
115: }
116: 
117: ?>
118: