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64 lines
2.9 KiB
64 lines
2.9 KiB
<?php if (! defined('BASEPATH')) exit('No direct script access allowed');
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/**
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* Codeigniter HTMLPurifier Helper
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*
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* Purify input using the HTMLPurifier standalone class.
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* Easily use multiple purifier configurations.
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*
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* @author Tyler Brownell <tyler@bluefoxstudio.ca>
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* @copyright Public Domain
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* @license http://bluefoxstudio.ca/release.html
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*
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* @access public
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* @param string or array $dirty_html A string (or array of strings) to be cleaned.
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* @param string $config The name of the configuration (switch case) to use.
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* @return string or array The cleaned string (or array of strings).
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*/
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if (! function_exists('html_purify'))
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{
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function html_purify($dirty_html, $config = FALSE)
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{
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if (is_array($dirty_html))
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{
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foreach ($dirty_html as $key => $val)
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{
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$clean_html[$key] = html_purify($val, $config);
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}
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}
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else
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{
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$ci =& get_instance();
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switch ($config)
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{
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case 'comment':
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$config = \HTMLPurifier_Config::createDefault();
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$config->set('Core.Encoding', $ci->config->item('charset'));
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$config->set('HTML.Doctype', 'XHTML 1.0 Strict');
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$config->set('HTML.Trusted', true);
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$config->set('HTML.SafeObject', true);
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$config->set('Core.EscapeInvalidTags', true);
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$config->set('HTML.Allowed', 'h1,h2,h3,h4,h5,h6,br,b,i,strong,em,a,pre,a[href|title],span,div,code,img,tt,div,ins,del,sup,sub,p,ol,ul,table,thead,tbody,tfoot,blockquote,dl,dt,dd,kbd,q,samp,var,hr,li,tr,td,th,s,strike,abbr[title]');
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$config->set('HTML.AllowedAttributes', 'img.src,*.style,*.class, code.class,a.href,*.target');
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$config->set('Attr.AllowedFrameTargets', ['_blank', '_self', '_target', '_top']);
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$config->set('HTML.TargetBlank', true);
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$config->set('AutoFormat.AutoParagraph', true);
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$config->set('AutoFormat.Linkify', true);
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$config->set('AutoFormat.RemoveEmpty', true);
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break;
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case FALSE:
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$config = \HTMLPurifier_Config::createDefault();
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$config->set('Core.Encoding', $ci->config->item('charset'));
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$config->set('Core.EscapeInvalidTags', true);
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$config->set('HTML.Doctype', 'XHTML 1.0 Strict');
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break;
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default:
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show_error('The HTMLPurifier configuration labeled "' . htmlentities($config, ENT_QUOTES, 'UTF-8') . '" could not be found.');
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}
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$purifier = new \HTMLPurifier($config);
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$clean_html = $purifier->purify($dirty_html);
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}
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return $clean_html;
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}
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}
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/* End of htmlpurifier_helper.php */
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/* Location: ./application/helpers/htmlpurifier_helper.php */
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