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author | friendica <info@friendica.com> | 2012-07-18 03:59:10 -0700 |
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committer | friendica <info@friendica.com> | 2012-07-18 03:59:10 -0700 |
commit | 22cf19e174bcee88b44968f2773d1bad2da2b54d (patch) | |
tree | f4e01db6f73754418438b020c2327e18c256653c /lib/htmlpurifier/library/HTMLPurifier/AttrDef/CSS.php | |
parent | 7a40f4354b32809af3d0cfd6e3af0eda02ab0e0a (diff) | |
download | volse-hubzilla-22cf19e174bcee88b44968f2773d1bad2da2b54d.tar.gz volse-hubzilla-22cf19e174bcee88b44968f2773d1bad2da2b54d.tar.bz2 volse-hubzilla-22cf19e174bcee88b44968f2773d1bad2da2b54d.zip |
bad sync with github windows client
Diffstat (limited to 'lib/htmlpurifier/library/HTMLPurifier/AttrDef/CSS.php')
-rw-r--r-- | lib/htmlpurifier/library/HTMLPurifier/AttrDef/CSS.php | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/lib/htmlpurifier/library/HTMLPurifier/AttrDef/CSS.php b/lib/htmlpurifier/library/HTMLPurifier/AttrDef/CSS.php deleted file mode 100644 index 953e70675..000000000 --- a/lib/htmlpurifier/library/HTMLPurifier/AttrDef/CSS.php +++ /dev/null @@ -1,87 +0,0 @@ -<?php - -/** - * Validates the HTML attribute style, otherwise known as CSS. - * @note We don't implement the whole CSS specification, so it might be - * difficult to reuse this component in the context of validating - * actual stylesheet declarations. - * @note If we were really serious about validating the CSS, we would - * tokenize the styles and then parse the tokens. Obviously, we - * are not doing that. Doing that could seriously harm performance, - * but would make these components a lot more viable for a CSS - * filtering solution. - */ -class HTMLPurifier_AttrDef_CSS extends HTMLPurifier_AttrDef -{ - - public function validate($css, $config, $context) { - - $css = $this->parseCDATA($css); - - $definition = $config->getCSSDefinition(); - - // we're going to break the spec and explode by semicolons. - // This is because semicolon rarely appears in escaped form - // Doing this is generally flaky but fast - // IT MIGHT APPEAR IN URIs, see HTMLPurifier_AttrDef_CSSURI - // for details - - $declarations = explode(';', $css); - $propvalues = array(); - - /** - * Name of the current CSS property being validated. - */ - $property = false; - $context->register('CurrentCSSProperty', $property); - - foreach ($declarations as $declaration) { - if (!$declaration) continue; - if (!strpos($declaration, ':')) continue; - list($property, $value) = explode(':', $declaration, 2); - $property = trim($property); - $value = trim($value); - $ok = false; - do { - if (isset($definition->info[$property])) { - $ok = true; - break; - } - if (ctype_lower($property)) break; - $property = strtolower($property); - if (isset($definition->info[$property])) { - $ok = true; - break; - } - } while(0); - if (!$ok) continue; - // inefficient call, since the validator will do this again - if (strtolower(trim($value)) !== 'inherit') { - // inherit works for everything (but only on the base property) - $result = $definition->info[$property]->validate( - $value, $config, $context ); - } else { - $result = 'inherit'; - } - if ($result === false) continue; - $propvalues[$property] = $result; - } - - $context->destroy('CurrentCSSProperty'); - - // procedure does not write the new CSS simultaneously, so it's - // slightly inefficient, but it's the only way of getting rid of - // duplicates. Perhaps config to optimize it, but not now. - - $new_declarations = ''; - foreach ($propvalues as $prop => $value) { - $new_declarations .= "$prop:$value;"; - } - - return $new_declarations ? $new_declarations : false; - - } - -} - -// vim: et sw=4 sts=4 |