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sanitize_rss: small speed improvement

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This commit is contained in:
Andrew Dolgov 2010-11-13 01:02:41 +03:00
parent a7f003e0e0
commit 35ffb5b91d
1 changed files with 9 additions and 40 deletions
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49
functions.php
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@ -117,6 +117,13 @@
require_once 'lib/magpierss/rss_utils.inc';
require_once 'lib/htmlpurifier/library/HTMLPurifier.auto.php';
$config = HTMLPurifier_Config::createDefault();
$allowed = "p,a[href],i,em,b,strong,code,pre,blockquote,br,img[src|alt|title],ul,ol,li,h1,h2,h3,h4";
$config->set('HTML', 'Allowed', $allowed);
$purifier = new HTMLPurifier($config);
/**
* Print a timestamped debug message.
*
@ -3682,53 +3689,15 @@
}
}
function strip_tags_long($string, $allowed) {
$config = HTMLPurifier_Config::createDefault();
$config->set('HTML', 'Allowed', $allowed);
$purifier = new HTMLPurifier($config);
return $purifier->purify($string);
}
// http://ru2.php.net/strip-tags
/* function strip_tags_long($textstring, $allowed){
while($textstring != strip_tags($textstring, $allowed))
{
while (strlen($textstring) != 0)
{
if (strlen($textstring) > 1024) {
$otherlen = 1024;
} else {
$otherlen = strlen($textstring);
}
$temptext = strip_tags(substr($textstring,0,$otherlen), $allowed);
$safetext .= $temptext;
$textstring = substr_replace($textstring,'',0,$otherlen);
}
$textstring = $safetext;
}
return $textstring;
} */
function sanitize_rss($link, $str, $force_strip_tags = false, $owner = false, $site_url = false) {
global $purifier;
if (!$owner) $owner = $_SESSION["uid"];
$res = trim($str); if (!$res) return '';
if (get_pref($link, "STRIP_UNSAFE_TAGS", $owner) || $force_strip_tags) {
// $res = strip_tags_long($res,
// "<p><a><i><em><b><strong><code><pre><blockquote><br><img><ul><ol><li>");
$res = strip_tags_long($res,
"p,a[href],i,em,b,strong,code,pre,blockquote,br,img[src|alt|title],ul,ol,li,h1,h2,h3,h4");
$res = $purifier->purify($res);
}
if (get_pref($link, "STRIP_IMAGES", $owner)) {