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-rw-r--r--lib/Zend/Validate/File/ImageSize.php370
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diff --git a/lib/Zend/Validate/File/ImageSize.php b/lib/Zend/Validate/File/ImageSize.php
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+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category Zend
+ * @package Zend_Validate
+ * @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ * @version $Id: $
+ */
+
+/**
+ * @see Zend_Validate_Abstract
+ */
+require_once 'Zend/Validate/Abstract.php';
+
+/**
+ * Validator for the image size of a image file
+ *
+ * @category Zend
+ * @package Zend_Validate
+ * @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+class Zend_Validate_File_ImageSize extends Zend_Validate_Abstract
+{
+ /**
+ * @const string Error constants
+ */
+ const WIDTH_TOO_BIG = 'fileImageSizeWidthTooBig';
+ const WIDTH_TOO_SMALL = 'fileImageSizeWidthTooSmall';
+ const HEIGHT_TOO_BIG = 'fileImageSizeHeightTooBig';
+ const HEIGHT_TOO_SMALL = 'fileImageSizeHeightTooSmall';
+ const NOT_DETECTED = 'fileImageSizeNotDetected';
+ const NOT_READABLE = 'fileImageSizeNotReadable';
+
+ /**
+ * @var array Error message template
+ */
+ protected $_messageTemplates = array(
+ self::WIDTH_TOO_BIG => "Maximum allowed width for image '%value%' should be '%maxwidth%' but '%width%' detected",
+ self::WIDTH_TOO_SMALL => "Minimum expected width for image '%value%' should be '%minwidth%' but '%width%' detected",
+ self::HEIGHT_TOO_BIG => "Maximum allowed height for image '%value%' should be '%maxheight%' but '%height%' detected",
+ self::HEIGHT_TOO_SMALL => "Minimum expected height for image '%value%' should be '%minheight%' but '%height%' detected",
+ self::NOT_DETECTED => "The size of image '%value%' could not be detected",
+ self::NOT_READABLE => "The image '%value%' can not be read"
+ );
+
+ /**
+ * @var array Error message template variables
+ */
+ protected $_messageVariables = array(
+ 'minwidth' => '_minwidth',
+ 'maxwidth' => '_maxwidth',
+ 'minheight' => '_minheight',
+ 'maxheight' => '_maxheight',
+ 'width' => '_width',
+ 'height' => '_height'
+ );
+
+ /**
+ * Minimum image width
+ *
+ * @var integer
+ */
+ protected $_minwidth;
+
+ /**
+ * Maximum image width
+ *
+ * @var integer
+ */
+ protected $_maxwidth;
+
+ /**
+ * Minimum image height
+ *
+ * @var integer
+ */
+ protected $_minheight;
+
+ /**
+ * Maximum image height
+ *
+ * @var integer
+ */
+ protected $_maxheight;
+
+ /**
+ * Detected width
+ *
+ * @var integer
+ */
+ protected $_width;
+
+ /**
+ * Detected height
+ *
+ * @var integer
+ */
+ protected $_height;
+
+ /**
+ * Sets validator options
+ *
+ * Accepts the following option keys:
+ * - minheight
+ * - minwidth
+ * - maxheight
+ * - maxwidth
+ *
+ * @param Zend_Config|array $options
+ * @return void
+ */
+ public function __construct($options)
+ {
+ $minwidth = 0;
+ $minheight = 0;
+ $maxwidth = null;
+ $maxheight = null;
+
+ if ($options instanceof Zend_Config) {
+ $options = $options->toArray();
+ } elseif (1 < func_num_args()) {
+ trigger_error('Multiple constructor options are deprecated in favor of a single options array', E_USER_NOTICE);
+ if (!is_array($options)) {
+ $options = array('minwidth' => $options);
+ }
+ $argv = func_get_args();
+ array_shift($argv);
+ $options['minheight'] = array_shift($argv);
+ if (!empty($argv)) {
+ $options['maxwidth'] = array_shift($argv);
+ if (!empty($argv)) {
+ $options['maxheight'] = array_shift($argv);
+ }
+ }
+ } else if (!is_array($options)) {
+ require_once 'Zend/Validate/Exception.php';
+ throw new Zend_Validate_Exception ('Invalid options to validator provided');
+ }
+
+ if (isset($options['minheight']) || isset($options['minwidth'])) {
+ $this->setImageMin($options);
+ }
+
+ if (isset($options['maxheight']) || isset($options['maxwidth'])) {
+ $this->setImageMax($options);
+ }
+ }
+
+ /**
+ * Returns the set minimum image sizes
+ *
+ * @return array
+ */
+ public function getImageMin()
+ {
+ return array('minwidth' => $this->_minwidth, 'minheight' => $this->_minheight);
+ }
+
+ /**
+ * Returns the set maximum image sizes
+ *
+ * @return array
+ */
+ public function getImageMax()
+ {
+ return array('maxwidth' => $this->_maxwidth, 'maxheight' => $this->_maxheight);
+ }
+
+ /**
+ * Returns the set image width sizes
+ *
+ * @return array
+ */
+ public function getImageWidth()
+ {
+ return array('minwidth' => $this->_minwidth, 'maxwidth' => $this->_maxwidth);
+ }
+
+ /**
+ * Returns the set image height sizes
+ *
+ * @return array
+ */
+ public function getImageHeight()
+ {
+ return array('minheight' => $this->_minheight, 'maxheight' => $this->_maxheight);
+ }
+
+ /**
+ * Sets the minimum image size
+ *
+ * @param array $options The minimum image dimensions
+ * @throws Zend_Validate_Exception When minwidth is greater than maxwidth
+ * @throws Zend_Validate_Exception When minheight is greater than maxheight
+ * @return Zend_Validate_File_ImageSize Provides a fluent interface
+ */
+ public function setImageMin($options)
+ {
+ if (isset($options['minwidth'])) {
+ if (($this->_maxwidth !== null) and ($options['minwidth'] > $this->_maxwidth)) {
+ require_once 'Zend/Validate/Exception.php';
+ throw new Zend_Validate_Exception("The minimum image width must be less than or equal to the "
+ . " maximum image width, but {$options['minwidth']} > {$this->_maxwidth}");
+ }
+ }
+
+ if (isset($options['maxheight'])) {
+ if (($this->_maxheight !== null) and ($options['minheight'] > $this->_maxheight)) {
+ require_once 'Zend/Validate/Exception.php';
+ throw new Zend_Validate_Exception("The minimum image height must be less than or equal to the "
+ . " maximum image height, but {$options['minheight']} > {$this->_maxheight}");
+ }
+ }
+
+ if (isset($options['minwidth'])) {
+ $this->_minwidth = (int) $options['minwidth'];
+ }
+
+ if (isset($options['minheight'])) {
+ $this->_minheight = (int) $options['minheight'];
+ }
+
+ return $this;
+ }
+
+ /**
+ * Sets the maximum image size
+ *
+ * @param array $options The maximum image dimensions
+ * @throws Zend_Validate_Exception When maxwidth is smaller than minwidth
+ * @throws Zend_Validate_Exception When maxheight is smaller than minheight
+ * @return Zend_Validate_StringLength Provides a fluent interface
+ */
+ public function setImageMax($options)
+ {
+ if (isset($options['maxwidth'])) {
+ if (($this->_minwidth !== null) and ($options['maxwidth'] < $this->_minwidth)) {
+ require_once 'Zend/Validate/Exception.php';
+ throw new Zend_Validate_Exception("The maximum image width must be greater than or equal to the "
+ . "minimum image width, but {$options['maxwidth']} < {$this->_minwidth}");
+ }
+ }
+
+ if (isset($options['maxheight'])) {
+ if (($this->_minheight !== null) and ($options['maxheight'] < $this->_minheight)) {
+ require_once 'Zend/Validate/Exception.php';
+ throw new Zend_Validate_Exception("The maximum image height must be greater than or equal to the "
+ . "minimum image height, but {$options['maxheight']} < {$this->_minwidth}");
+ }
+ }
+
+ if (isset($options['maxwidth'])) {
+ $this->_maxwidth = (int) $options['maxwidth'];
+ }
+
+ if (isset($options['maxheight'])) {
+ $this->_maxheight = (int) $options['maxheight'];
+ }
+
+ return $this;
+ }
+
+ /**
+ * Sets the mimimum and maximum image width
+ *
+ * @param array $options The image width dimensions
+ * @return Zend_Validate_File_ImageSize Provides a fluent interface
+ */
+ public function setImageWidth($options)
+ {
+ $this->setImageMin($options);
+ $this->setImageMax($options);
+
+ return $this;
+ }
+
+ /**
+ * Sets the mimimum and maximum image height
+ *
+ * @param array $options The image height dimensions
+ * @return Zend_Validate_File_ImageSize Provides a fluent interface
+ */
+ public function setImageHeight($options)
+ {
+ $this->setImageMin($options);
+ $this->setImageMax($options);
+
+ return $this;
+ }
+
+ /**
+ * Defined by Zend_Validate_Interface
+ *
+ * Returns true if and only if the imagesize of $value is at least min and
+ * not bigger than max
+ *
+ * @param string $value Real file to check for image size
+ * @param array $file File data from Zend_File_Transfer
+ * @return boolean
+ */
+ public function isValid($value, $file = null)
+ {
+ // Is file readable ?
+ require_once 'Zend/Loader.php';
+ if (!Zend_Loader::isReadable($value)) {
+ return $this->_throw($file, self::NOT_READABLE);
+ }
+
+ $size = @getimagesize($value);
+ $this->_setValue($file);
+
+ if (empty($size) or ($size[0] === 0) or ($size[1] === 0)) {
+ return $this->_throw($file, self::NOT_DETECTED);
+ }
+
+ $this->_width = $size[0];
+ $this->_height = $size[1];
+ if ($this->_width < $this->_minwidth) {
+ $this->_throw($file, self::WIDTH_TOO_SMALL);
+ }
+
+ if (($this->_maxwidth !== null) and ($this->_maxwidth < $this->_width)) {
+ $this->_throw($file, self::WIDTH_TOO_BIG);
+ }
+
+ if ($this->_height < $this->_minheight) {
+ $this->_throw($file, self::HEIGHT_TOO_SMALL);
+ }
+
+ if (($this->_maxheight !== null) and ($this->_maxheight < $this->_height)) {
+ $this->_throw($file, self::HEIGHT_TOO_BIG);
+ }
+
+ if (count($this->_messages) > 0) {
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * Throws an error of the given type
+ *
+ * @param string $file
+ * @param string $errorType
+ * @return false
+ */
+ protected function _throw($file, $errorType)
+ {
+ if ($file !== null) {
+ $this->_value = $file['name'];
+ }
+
+ $this->_error($errorType);
+ return false;
+ }
+}
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