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57 lines
1.6 KiB
PHP
57 lines
1.6 KiB
PHP
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<?php
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/**
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* Performs miscellaneous cross attribute validation and filtering for
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* input elements. This is meant to be a post-transform.
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*/
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class HTMLPurifier_AttrTransform_Input extends HTMLPurifier_AttrTransform
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{
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/**
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* @type HTMLPurifier_AttrDef_HTML_Pixels
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*/
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protected $pixels;
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public function __construct()
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{
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$this->pixels = new HTMLPurifier_AttrDef_HTML_Pixels();
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}
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/**
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* @param array $attr
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* @param HTMLPurifier_Config $config
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* @param HTMLPurifier_Context $context
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* @return array
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*/
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public function transform($attr, $config, $context)
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{
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if (!isset($attr['type'])) {
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$t = 'text';
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} else {
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$t = strtolower($attr['type']);
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}
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if (isset($attr['checked']) && $t !== 'radio' && $t !== 'checkbox') {
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unset($attr['checked']);
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}
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if (isset($attr['maxlength']) && $t !== 'text' && $t !== 'password') {
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unset($attr['maxlength']);
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}
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if (isset($attr['size']) && $t !== 'text' && $t !== 'password') {
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$result = $this->pixels->validate($attr['size'], $config, $context);
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if ($result === false) {
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unset($attr['size']);
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} else {
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$attr['size'] = $result;
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}
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}
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if (isset($attr['src']) && $t !== 'image') {
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unset($attr['src']);
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}
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if (!isset($attr['value']) && ($t === 'radio' || $t === 'checkbox')) {
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$attr['value'] = '';
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}
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return $attr;
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}
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}
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// vim: et sw=4 sts=4
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