From c21a462d52bd32737c32c29b060da03b38f1c2e6 Mon Sep 17 00:00:00 2001 From: Andrew Dolgov Date: Fri, 1 Jun 2012 00:07:59 +0400 Subject: remove htmlpurifier --- .../schema/Filter.ExtractStyleBlocks.txt | 74 ---------------------- 1 file changed, 74 deletions(-) delete mode 100644 lib/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/Filter.ExtractStyleBlocks.txt (limited to 'lib/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/Filter.ExtractStyleBlocks.txt') diff --git a/lib/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/Filter.ExtractStyleBlocks.txt b/lib/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/Filter.ExtractStyleBlocks.txt deleted file mode 100644 index 078d08741..000000000 --- a/lib/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/Filter.ExtractStyleBlocks.txt +++ /dev/null @@ -1,74 +0,0 @@ -Filter.ExtractStyleBlocks -TYPE: bool -VERSION: 3.1.0 -DEFAULT: false -EXTERNAL: CSSTidy ---DESCRIPTION-- -

- This directive turns on the style block extraction filter, which removes - style blocks from input HTML, cleans them up with CSSTidy, - and places them in the StyleBlocks context variable, for further - use by you, usually to be placed in an external stylesheet, or a - style block in the head of your document. -

-

- Sample usage: -

-
';
-?>
-
-
-
-  Filter.ExtractStyleBlocks
-body {color:#F00;} Some text';
-
-    $config = HTMLPurifier_Config::createDefault();
-    $config->set('Filter', 'ExtractStyleBlocks', true);
-    $purifier = new HTMLPurifier($config);
-
-    $html = $purifier->purify($dirty);
-
-    // This implementation writes the stylesheets to the styles/ directory.
-    // You can also echo the styles inside the document, but it's a bit
-    // more difficult to make sure they get interpreted properly by
-    // browsers; try the usual CSS armoring techniques.
-    $styles = $purifier->context->get('StyleBlocks');
-    $dir = 'styles/';
-    if (!is_dir($dir)) mkdir($dir);
-    $hash = sha1($_GET['html']);
-    foreach ($styles as $i => $style) {
-        file_put_contents($name = $dir . $hash . "_$i");
-        echo '';
-    }
-?>
-
-
-  

-    
-  

-
-
-]]>
-

- Warning: It is possible for a user to mount an - imagecrash attack using this CSS. Counter-measures are difficult; - it is not simply enough to limit the range of CSS lengths (using - relative lengths with many nesting levels allows for large values - to be attained without actually specifying them in the stylesheet), - and the flexible nature of selectors makes it difficult to selectively - disable lengths on image tags (HTML Purifier, however, does disable - CSS width and height in inline styling). There are probably two effective - counter measures: an explicit width and height set to auto in all - images in your document (unlikely) or the disabling of width and - height (somewhat reasonable). Whether or not these measures should be - used is left to the reader. -

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