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Fixed content parsing break with line html comment

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Fixes issues thrown in custom HMTL head & page content filtering when
the content is comprised of only a single HTML comment.
Adds tests to cover.

For #2804
This commit is contained in:
Dan Brown
2021-06-13 12:53:04 +01:00
parent a8471b2c66
commit b5caaa73b7
4 changed files with 73 additions and 42 deletions
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7
app/Util/HtmlContentFilter.php
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@@ -1,7 +1,6 @@
<?php namespace BookStack\Util;
use DOMDocument;
use DOMNode;
use DOMNodeList;
use DOMXPath;
@@ -16,6 +15,7 @@ class HtmlContentFilter
return $html;
}
$html = '<body>' . $html . '</body>';
libxml_use_internal_errors(true);
$doc = new DOMDocument();
$doc->loadHTML(mb_convert_encoding($html, 'HTML-ENTITIES', 'UTF-8'));
@@ -61,11 +61,10 @@ class HtmlContentFilter
/**
* Removed all of the given DOMNodes.
*/
static protected function removeNodes(DOMNodeList $nodes): void
protected static function removeNodes(DOMNodeList $nodes): void
{
foreach ($nodes as $node) {
$node->parentNode->removeChild($node);
}
}
}
}