Current File : /home/emergentqj/antanimora/wp-content/plugins/blogger-importer/blogger-importer-sanitize.php
<?php
/**
* New class to sanitize trusted content from blogger import
* Based on the SimplePie_Sanitize class by Ryan Parman and Geoffrey Sneddon
*
*/
class Blogger_Importer_Sanitize extends SimplePie_Sanitize
{
// Private vars
var $base;
// Options
var $image_handler = '';
var $strip_htmltags = array('base', 'blink', 'body', 'doctype', 'font', 'form', 'frame', 'frameset', 'html', 'input', 'marquee', 'meta', 'script', 'style');
//Allow iframe (new style) and embed, param and object(old style) so that we get youtube videos transferred
//Allow object and noscript for Amazon widgets
var $encode_instead_of_strip = false;
var $strip_attributes = array('bgsound', 'class', 'expr', 'id', 'imageanchor', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc', 'trbidi');
//Allow styles so we don't have to redo in WordPress
//Brett Morgan from Google has confirmed that imageanchor is a made up attribute that is just used in the blogger editor so we can remove that
//trbidi another blogger proprietory attribute
var $output_encoding = 'UTF-8';
var $enable_cache = true;
var $cache_location = './cache';
var $cache_name_function = 'md5';
var $cache_class = 'SimplePie_Cache';
var $file_class = 'SimplePie_File';
var $timeout = 10;
var $useragent = '';
var $force_fsockopen = false;
var $replace_url_attributes = array('a' => 'href', 'area' => 'href', 'blockquote' => 'cite', 'del' => 'cite', 'form' => 'action', 'img' => array('longdesc', 'src'), 'input' => 'src', 'ins' => 'cite',
'q' => 'cite');
public function __construct()
{
parent::__construct();
}
function _normalize_tag($matches)
{
return '<' . strtolower($matches[1]);
}
function sanitize($data, $type, $base = '')
{
//Simplified function
$data = trim($data);
// Normalise tags (string replacement is case sensitive)
$data = preg_replace_callback('|<(/?[A-Z]+)|', array(&$this, '_normalize_tag'), $data);
// Remappings
$data = str_replace('<br>', '<br />', $data);
$data = str_replace('<hr>', '<hr />', $data);
//<span style="font-weight:bold;">Workshopshed:</span> > <b>Workshopshed:</b>
$data = preg_replace('|(<span style="font-weight:bold;">)(?<!<span style="font-weight:bold;">).*(.*)(</span>)|', '<strong>$2</strong>', $data);
//N.B. Don't strip comments as blogger uses <!--more--> which is the same as WordPress
// Comments might also contain section targetting e.g. <!-- google_ad_section_start -->
//Now clean up
foreach ($this->strip_htmltags as $tag)
{
$pcre = "/<($tag)" . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . "(>(.*)<\/$tag" . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . '>|(\/)?>)/siU';
while (preg_match($pcre, $data))
{
$data = preg_replace_callback($pcre, array(&$this, 'do_strip_htmltags'), $data);
}
}
foreach ($this->strip_attributes as $attrib)
{
$data = preg_replace('/(<[A-Za-z][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E]*)' . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . trim($attrib) . '(?:\s*=\s*(?:"(?:[^"]*)"|\'(?:[^\']*)\'|(?:[^\x09\x0A\x0B\x0C\x0D\x20\x22\x27\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x3E]*)?))?' .
SIMPLEPIE_PCRE_HTML_ATTRIBUTE . '>/', '\1\2\3>', $data);
}
// Replace relative URLs
$this->base = $base;
foreach ($this->replace_url_attributes as $element => $attributes)
{
$data = $this->replace_urls($data, $element, $attributes);
}
// Images are handled as a separate step as we need to download them
// Having (possibly) taken stuff out, there may now be whitespace at the beginning/end of the data
$data = trim($data);
return $data;
}
function replace_urls($data, $tag, $attributes)
{
//This seems to do nothing at all!?
if (!is_array($this->strip_htmltags) || !in_array($tag, $this->strip_htmltags))
{
$elements = SimplePie_Misc::get_element($tag, $data);
foreach ($elements as $element)
{
if (is_array($attributes))
{
foreach ($attributes as $attribute)
{
if (isset($element['attribs'][$attribute]['data']))
{
$element['attribs'][$attribute]['data'] = SimplePie_Misc::absolutize_url($element['attribs'][$attribute]['data'], $this->base);
$new_element = SimplePie_Misc::element_implode($element);
$data = str_replace($element['full'], $new_element, $data);
$element['full'] = $new_element;
}
}
} elseif (isset($element['attribs'][$attributes]['data']))
{
$element['attribs'][$attributes]['data'] = SimplePie_Misc::absolutize_url($element['attribs'][$attributes]['data'], $this->base);
$data = str_replace($element['full'], SimplePie_Misc::element_implode($element), $data);
}
}
}
return $data;
}
//Latest SimplePie checks for this function
public function set_registry(SimplePie_Registry $registry)
{
parent::set_registry($registry);
}
}
?>
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