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Fix #67, don't use <body> tags in comments for %Core.ConvertDocumentToFragment

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Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
This commit is contained in:
Edward Z. Yang
2016-03-27 15:19:32 -07:00
parent f14076dc3e
commit b4981c3395
3 changed files with 21 additions and 4 deletions
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13
library/HTMLPurifier/Lexer.php
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@@ -345,12 +345,17 @@ class HTMLPurifier_Lexer
public function extractBody($html)
{
$matches = array();
$result = preg_match('!<body[^>]*>(.*)</body>!is', $html, $matches);
$result = preg_match('|(.*?)<body[^>]*>(.*)</body>|is', $html, $matches);
if ($result) {
return $matches[1];
} else {
return $html;
// Make sure it's not in a comment
$comment_start = strrpos($matches[1], '<!--');
$comment_end = strrpos($matches[1], '-->');
if ($comment_start === false ||
($comment_end !== false && $comment_end > $comment_start)) {
return $matches[2];
}
}
return $html;
}
}