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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 12:39:39 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 12:39:39 +0000 |
commit | 8ca6cc32b2c789a3149861159ad258f2cb9491e3 (patch) | |
tree | 2492de6f1528dd44eaa169a5c1555026d9cb75ec /library/vendor/HTMLPurifier/AttrTransform/Nofollow.php | |
parent | Initial commit. (diff) | |
download | icingaweb2-upstream.tar.xz icingaweb2-upstream.zip |
Adding upstream version 2.11.4.upstream/2.11.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'library/vendor/HTMLPurifier/AttrTransform/Nofollow.php')
-rw-r--r-- | library/vendor/HTMLPurifier/AttrTransform/Nofollow.php | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/library/vendor/HTMLPurifier/AttrTransform/Nofollow.php b/library/vendor/HTMLPurifier/AttrTransform/Nofollow.php new file mode 100644 index 0000000..1057ebe --- /dev/null +++ b/library/vendor/HTMLPurifier/AttrTransform/Nofollow.php @@ -0,0 +1,52 @@ +<?php + +// must be called POST validation + +/** + * Adds rel="nofollow" to all outbound links. This transform is + * only attached if Attr.Nofollow is TRUE. + */ +class HTMLPurifier_AttrTransform_Nofollow extends HTMLPurifier_AttrTransform +{ + /** + * @type HTMLPurifier_URIParser + */ + private $parser; + + public function __construct() + { + $this->parser = new HTMLPurifier_URIParser(); + } + + /** + * @param array $attr + * @param HTMLPurifier_Config $config + * @param HTMLPurifier_Context $context + * @return array + */ + public function transform($attr, $config, $context) + { + if (!isset($attr['href'])) { + return $attr; + } + + // XXX Kind of inefficient + $url = $this->parser->parse($attr['href']); + $scheme = $url->getSchemeObj($config, $context); + + if ($scheme->browsable && !$url->isLocal($config, $context)) { + if (isset($attr['rel'])) { + $rels = explode(' ', $attr['rel']); + if (!in_array('nofollow', $rels)) { + $rels[] = 'nofollow'; + } + $attr['rel'] = implode(' ', $rels); + } else { + $attr['rel'] = 'nofollow'; + } + } + return $attr; + } +} + +// vim: et sw=4 sts=4 |