/DevApp/library/Zend/Validate/File/ImageSize.php
PHP | 353 lines | 166 code | 38 blank | 149 comment | 29 complexity | 0820a0d9f40b72490e0fd7bd8e60924c MD5 | raw file
Possible License(s): BSD-3-Clause, LGPL-2.0, MIT, Apache-2.0
- <?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
- *
- * Min limits the filesize, when used with max=null if is the maximum filesize
- * It also accepts an array with the keys 'min' and 'max'
- *
- * @param integer|array $max Maximum filesize
- * @param integer $max Maximum filesize
- * @return void
- */
- public function __construct($minwidth = 0, $minheight = 0, $maxwidth = null, $maxheight = null)
- {
- if (is_array($minwidth) === true) {
- if (isset($minwidth['maxheight']) === true) {
- $maxheight = $minwidth['maxheight'];
- }
- if (isset($minwidth['minheight']) === true) {
- $minheight = $minwidth['minheight'];
- }
- if (isset($minwidth['maxwidth']) === true) {
- $maxwidth = $minwidth['maxwidth'];
- }
- if (isset($minwidth['minwidth']) === true) {
- $minwidth = $minwidth['minwidth'];
- }
- if (isset($minwidth[0]) === true) {
- $maxheight = $minwidth[3];
- $maxwidth = $minwidth[2];
- $minheight = $minwidth[1];
- $minwidth = $minwidth[0];
- }
- }
- $this->setImageMin($minwidth, $minheight);
- $this->setImageMax($maxwidth, $maxheight);
- }
- /**
- * Returns the set minimum image sizes
- *
- * @return array
- */
- public function getImageMin()
- {
- return array($this->_minwidth, $this->_minheight);
- }
- /**
- * Returns the set maximum image sizes
- *
- * @return array
- */
- public function getImageMax()
- {
- return array($this->_maxwidth, $this->_maxheight);
- }
- /**
- * Returns the set image width sizes
- *
- * @return array
- */
- public function getImageWidth()
- {
- return array($this->_minwidth, $this->_maxwidth);
- }
- /**
- * Returns the set image height sizes
- *
- * @return array
- */
- public function getImageHeight()
- {
- return array($this->_minheight, $this->_maxheight);
- }
- /**
- * Sets the minimum image size
- *
- * @param integer $minwidth The minimum image width
- * @param integer $minheight The minimum image height
- * @throws Zend_Validate_Exception When minwidth is greater than maxwidth
- * @throws Zend_Validate_Exception When minheight is greater than maxheight
- * @return Zend_Validate_File_ImageSize Provides a fluent interface
- */
- public function setImageMin($minwidth, $minheight)
- {
- if (($this->_maxwidth !== null) and ($minwidth > $this->_maxwidth)) {
- require_once 'Zend/Validate/Exception.php';
- throw new Zend_Validate_Exception("The minimum image width must be less than or equal to the "
- . " maximum image width, but {$minwidth} > {$this->_maxwidth}");
- }
- if (($this->_maxheight !== null) and ($minheight > $this->_maxheight)) {
- require_once 'Zend/Validate/Exception.php';
- throw new Zend_Validate_Exception("The minimum image height must be less than or equal to the "
- . " maximum image height, but {$minheight} > {$this->_maxheight}");
- }
- $this->_minwidth = max(0, (integer) $minwidth);
- $this->_minheight = max(0, (integer) $minheight);
- return $this;
- }
- /**
- * Sets the maximum image size
- *
- * @param integer $maxwidth The maximum image width
- * @param integer $maxheight The maximum image height
- * @throws Zend_Validate_Exception When maxwidth is smaller than minwidth
- * @throws Zend_Validate_Exception When maxheight is smaller than minheight
- * @return Zend_Validate_StringLength Provides a fluent interface
- */
- public function setImageMax($maxwidth, $maxheight)
- {
- if ($maxwidth === null) {
- $tempwidth = null;
- } else if (($this->_minwidth !== null) and ($maxwidth < $this->_minwidth)) {
- require_once 'Zend/Validate/Exception.php';
- throw new Zend_Validate_Exception("The maximum image width must be greater than or equal to the "
- . "minimum image width, but {$maxwidth} < {$this->_minwidth}");
- } else {
- $tempwidth = (integer) $maxwidth;
- }
- if ($maxheight === null) {
- $tempheight = null;
- } else if (($this->_minheight !== null) and ($maxheight < $this->_minheight)) {
- require_once 'Zend/Validate/Exception.php';
- throw new Zend_Validate_Exception("The maximum image height must be greater than or equal to the "
- . "minimum image height, but {$maxheight} < {$this->_minwidth}");
- } else {
- $tempheight = (integer) $maxheight;
- }
- $this->_maxwidth = $tempwidth;
- $this->_maxheight = $tempheight;
- return $this;
- }
- /**
- * Sets the mimimum and maximum image width
- *
- * @param integer $minwidth The minimum image width
- * @param integer $maxwidth The maximum image width
- * @return Zend_Validate_File_ImageSize Provides a fluent interface
- */
- public function setImageWidth($minwidth, $maxwidth)
- {
- $this->setImageMin($minwidth, $this->_minheight);
- $this->setImageMax($maxwidth, $this->_maxheight);
- return $this;
- }
- /**
- * Sets the mimimum and maximum image height
- *
- * @param integer $minheight The minimum image height
- * @param integer $maxheight The maximum image height
- * @return Zend_Validate_File_ImageSize Provides a fluent interface
- */
- public function setImageHeight($minheight, $maxheight)
- {
- $this->setImageMin($this->_minwidth, $minheight);
- $this->setImageMax($this->_maxwidth, $maxheight);
- 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, $file = null)
- {
- // Is file readable ?
- if (@is_readable($value) === false) {
- $this->_throw($file, self::NOT_READABLE);
- return false;
- }
- $size = @getimagesize($value);
- $this->_setValue($file);
- if (empty($size) or ($size[0] === 0) or ($size[1] === 0)) {
- $this->_throw($file, self::NOT_DETECTED);
- return false;
- }
- $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;
- } else {
- 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;
- }
- }