1: <?php
  2: /**
  3:  * Magento
  4:  *
  5:  * NOTICE OF LICENSE
  6:  *
  7:  * This source file is subject to the Open Software License (OSL 3.0)
  8:  * that is bundled with this package in the file LICENSE.txt.
  9:  * It is also available through the world-wide-web at this URL:
 10:  * http://opensource.org/licenses/osl-3.0.php
 11:  * If you did not receive a copy of the license and are unable to
 12:  * obtain it through the world-wide-web, please send an email
 13:  * to license@magentocommerce.com so we can send you a copy immediately.
 14:  *
 15:  * DISCLAIMER
 16:  *
 17:  * Do not edit or add to this file if you wish to upgrade Magento to newer
 18:  * versions in the future. If you wish to customize Magento for your
 19:  * needs please refer to http://www.magentocommerce.com for more information.
 20:  *
 21:  * @category    Mage
 22:  * @package     Mage_Core
 23:  * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
 24:  * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 25:  */
 26: 
 27: 
 28: /**
 29:  * Base front controller
 30:  *
 31:  * @category   Mage
 32:  * @package    Mage_Core
 33:  */
 34: class Mage_Core_Controller_Front_Action extends Mage_Core_Controller_Varien_Action
 35: {
 36:     /**
 37:      * Session namespace to refer in other places
 38:      */
 39:     const SESSION_NAMESPACE = 'frontend';
 40: 
 41:     /**
 42:      * Currently used area
 43:      *
 44:      * @var string
 45:      */
 46:     protected $_currentArea = 'frontend';
 47: 
 48:     /**
 49:      * Namespace for session.
 50:      *
 51:      * @var string
 52:      */
 53:     protected $_sessionNamespace = self::SESSION_NAMESPACE;
 54: 
 55:     /**
 56:      * Predispatch: should set layout area
 57:      *
 58:      * @return Mage_Core_Controller_Front_Action
 59:      */
 60:     public function preDispatch()
 61:     {
 62:         $this->getLayout()->setArea($this->_currentArea);
 63: 
 64:         parent::preDispatch();
 65:         return $this;
 66:     }
 67: 
 68:     /**
 69:      * Postdispatch: should set last visited url
 70:      *
 71:      * @return Mage_Core_Controller_Front_Action
 72:      */
 73:     public function postDispatch()
 74:     {
 75:         parent::postDispatch();
 76:         if (!$this->getFlag('', self::FLAG_NO_START_SESSION )) {
 77:             Mage::getSingleton('core/session')->setLastUrl(Mage::getUrl('*/*/*', array('_current'=>true)));
 78:         }
 79:         return $this;
 80:     }
 81: 
 82:     /**
 83:      * Translate a phrase
 84:      *
 85:      * @return string
 86:      */
 87:     public function __()
 88:     {
 89:         $args = func_get_args();
 90:         $expr = new Mage_Core_Model_Translate_Expr(array_shift($args), $this->_getRealModuleName());
 91:         array_unshift($args, $expr);
 92:         return Mage::app()->getTranslator()->translate($args);
 93:     }
 94: 
 95:     /**
 96:      * Declare headers and content file in response for file download
 97:      *
 98:      * @param string $fileName
 99:      * @param string|array $content set to null to avoid starting output, $contentLength should be set explicitly in
100:      *                              that case
101:      * @param string $contentType
102:      * @param int $contentLength    explicit content length, if strlen($content) isn't applicable
103:      * @return Mage_Adminhtml_Controller_Action
104:      */
105:     protected function _prepareDownloadResponse($fileName, $content, $contentType = 'application/octet-stream',
106:         $contentLength = null
107:     ) {
108:         $session = Mage::getSingleton('admin/session');
109:         if ($session->isFirstPageAfterLogin()) {
110:             $this->_redirect($session->getUser()->getStartupPageUrl());
111:             return $this;
112:         }
113: 
114:         $isFile = false;
115:         $file   = null;
116:         if (is_array($content)) {
117:             if (!isset($content['type']) || !isset($content['value'])) {
118:                 return $this;
119:             }
120:             if ($content['type'] == 'filename') {
121:                 $isFile         = true;
122:                 $file           = $content['value'];
123:                 $contentLength  = filesize($file);
124:             }
125:         }
126: 
127:         $this->getResponse()
128:             ->setHttpResponseCode(200)
129:             ->setHeader('Pragma', 'public', true)
130:             ->setHeader('Cache-Control', 'must-revalidate, post-check=0, pre-check=0', true)
131:             ->setHeader('Content-type', $contentType, true)
132:             ->setHeader('Content-Length', is_null($contentLength) ? strlen($content) : $contentLength)
133:             ->setHeader('Content-Disposition', 'attachment; filename="'.$fileName.'"')
134:             ->setHeader('Last-Modified', date('r'));
135: 
136:         if (!is_null($content)) {
137:             if ($isFile) {
138:                 $this->getResponse()->clearBody();
139:                 $this->getResponse()->sendHeaders();
140: 
141:                 $ioAdapter = new Varien_Io_File();
142:                 if (!$ioAdapter->fileExists($file)) {
143:                     Mage::throwException(Mage::helper('core')->__('File not found'));
144:                 }
145:                 $ioAdapter->open(array('path' => $ioAdapter->dirname($file)));
146:                 $ioAdapter->streamOpen($file, 'r');
147:                 while ($buffer = $ioAdapter->streamRead()) {
148:                     print $buffer;
149:                 }
150:                 $ioAdapter->streamClose();
151:                 if (!empty($content['rm'])) {
152:                     $ioAdapter->rm($file);
153:                 }
154: 
155:                 exit(0);
156:             } else {
157:                 $this->getResponse()->setBody($content);
158:             }
159:         }
160:         return $this;
161:     }
162: }
163: