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_Eav
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:  * EAV Entity Attribute Image File Data Model
30:  *
31:  * @category    Mage
32:  * @package     Mage_Eav
33:  * @author      Magento Core Team <core@magentocommerce.com>
34:  */
35: class Mage_Eav_Model_Attribute_Data_Image extends Mage_Eav_Model_Attribute_Data_File
36: {
37:     /**
38:      * Validate file by attribute validate rules
39:      * Return array of errors
40:      *
41:      * @param array $value
42:      * @return array
43:      */
44:     protected function _validateByRules($value)
45:     {
46:         $label  = Mage::helper('eav')->__($this->getAttribute()->getStoreLabel());
47:         $rules  = $this->getAttribute()->getValidateRules();
48: 
49:         $imageProp = @getimagesize($value['tmp_name']);
50: 
51:         if (!is_uploaded_file($value['tmp_name']) || !$imageProp) {
52:             return array(
53:                 Mage::helper('eav')->__('"%s" is not a valid file', $label)
54:             );
55:         }
56: 
57:         $allowImageTypes = array(
58:             1   => 'gif',
59:             2   => 'jpg',
60:             3   => 'png',
61:         );
62: 
63:         if (!isset($allowImageTypes[$imageProp[2]])) {
64:             return array(
65:                 Mage::helper('eav')->__('"%s" is not a valid image format', $label)
66:             );
67:         }
68: 
69:         // modify image name
70:         $extension  = pathinfo($value['name'], PATHINFO_EXTENSION);
71:         if ($extension != $allowImageTypes[$imageProp[2]]) {
72:             $value['name'] = pathinfo($value['name'], PATHINFO_FILENAME) . '.' . $allowImageTypes[$imageProp[2]];
73:         }
74: 
75:         $errors = array();
76:         if (!empty($rules['max_file_size'])) {
77:             $size = $value['size'];
78:             if ($rules['max_file_size'] < $size) {
79:                 $errors[] = Mage::helper('eav')->__('"%s" exceeds the allowed file size.', $label);
80:             };
81:         }
82: 
83:         if (!empty($rules['max_image_width'])) {
84:             if ($rules['max_image_width'] < $imageProp[0]) {
85:                 $r = $rules['max_image_width'];
86:                 $errors[] = Mage::helper('eav')->__('"%s" width exceeds allowed value of %s px.', $label, $r);
87:             };
88:         }
89:         if (!empty($rules['max_image_heght'])) {
90:             if ($rules['max_image_heght'] < $imageProp[1]) {
91:                 $r = $rules['max_image_heght'];
92:                 $errors[] = Mage::helper('eav')->__('"%s" height exceeds allowed value of %s px.', $label, $r);
93:             };
94:         }
95: 
96:         return $errors;
97:     }
98: }
99: