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_Paypal
 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:  * PayPal specific model for certificate based authentication
 29:  */
 30: class Mage_Paypal_Model_Cert extends Mage_Core_Model_Abstract
 31: {
 32:     /**
 33:      * Certificate base path
 34:      */
 35:     const BASEPATH_PAYPAL_CERT  = 'cert/paypal';
 36: 
 37:     /**
 38:      * Initialize resource model
 39:      */
 40:     protected function _construct()
 41:     {
 42:         $this->_init('paypal/cert');
 43:     }
 44: 
 45:     /**
 46:      * Load model by website id
 47:      *
 48:      * @param int $websiteId
 49:      * @param bool $strictLoad
 50:      * @return Mage_Paypal_Model_Cert
 51:      */
 52:     public function loadByWebsite($websiteId, $strictLoad = true)
 53:     {
 54:         $this->setWebsiteId($websiteId);
 55:         $this->_getResource()->loadByWebsite($this, $strictLoad);
 56:         return $this;
 57:     }
 58: 
 59:     /**
 60:      * Get path to PayPal certificate file, if file does not exist try to create it
 61:      *
 62:      * @return string
 63:      */
 64:     public function getCertPath()
 65:     {
 66:         if (!$this->getContent()) {
 67:             Mage::throwException(Mage::helper('paypal')->__('PayPal certificate does not exist.'));
 68:         }
 69: 
 70:         $certFileName = sprintf('cert_%s_%s.pem', $this->getWebsiteId(), strtotime($this->getUpdatedAt()));
 71:         $certFile = $this->_getBaseDir() . DS . $certFileName;
 72: 
 73:         if (!file_exists($certFile)) {
 74:             $this->_createCertFile($certFile);
 75:         }
 76:         return $certFile;
 77:     }
 78: 
 79:     /**
 80:      * Create physical certificate file based on DB data
 81:      *
 82:      * @param string $file
 83:      */
 84:     protected function _createCertFile($file)
 85:     {
 86:         $certDir = $this->_getBaseDir();
 87:         if (!is_dir($certDir)) {
 88:             $ioAdapter = new Varien_Io_File();
 89:             $ioAdapter->checkAndCreateFolder($certDir);
 90:         } else {
 91:             $this->_removeOutdatedCertFile();
 92:         }
 93: 
 94:         file_put_contents($file, Mage::helper('core')->decrypt($this->getContent()));
 95:     }
 96: 
 97:     /**
 98:      * Check and remove outdated certificate file by website
 99:      *
100:      * @return void
101:      */
102:     protected function _removeOutdatedCertFile()
103:     {
104:         $certDir = $this->_getBaseDir();
105:         if (is_dir($certDir)) {
106:             $entries = scandir($certDir);
107:             foreach ($entries as $entry) {
108:                 if ($entry != '.' && $entry != '..' && strpos($entry, 'cert_' . $this->getWebsiteId()) !== false) {
109:                     unlink($certDir . DS . $entry);
110:                 }
111:             }
112:         }
113:     }
114: 
115:     /**
116:      * Retrieve base directory for certificate
117:      *
118:      * @return string
119:      */
120:     protected function _getBaseDir()
121:     {
122:         return Mage::getBaseDir('var') . DS . self::BASEPATH_PAYPAL_CERT;
123:     }
124: 
125:     /**
126:      * Delete assigned certificate file after delete object
127:      *
128:      * @return Mage_Paypal_Model_Cert
129:      */
130:     protected function _afterDelete()
131:     {
132:         $this->_removeOutdatedCertFile();
133:         return $this;
134:     }
135: }
136: