Code Coverage for /workspace/src/extensions/Flow/includes/Parsoid/Fixer/ExtLinkFixer.php

1	<?php
2
3	namespace Flow\Parsoid\Fixer;
4
5	use Flow\Parsoid\Fixer;
6	use MediaWiki\Title\Title;
7
8	/**
9	* Parsoid markup didn't always contain class="external" and rel="nofollow" where appropriate.
10	* This is needed for correct styling and to ensure proper indexing,
11	* so we add them here if they are missing.
12	*/
13	class ExtLinkFixer implements Fixer {
14	/**
15	* Returns XPath matching elements that need to be transformed
16	*
17	* @return string XPath of elements this acts on
18	*/
19	public function getXPath() {
20	return '//a[contains(concat(" ",normalize-space(@rel)," ")," mw:ExtLink ")]';
21	}
22
23	/**
24	* Adds class="external" & rel="nofollow" to external links.
25	*
26	* @param \DOMNode $node Link
27	* @param Title $title
28	*/
29	public function apply( \DOMNode $node, Title $title ) {
30	if ( !$node instanceof \DOMElement ) {
31	return;
32	}
33	$nodeClass = $node->getAttribute( 'class' );
34	if ( strpos( ' ' . $nodeClass . ' ', ' external ' ) === false ) {
35	$node->setAttribute( 'class', 'external' .
36	( $nodeClass !== '' ? ' ' . $nodeClass : '' ) );
37	}
38
39	global $wgNoFollowLinks, $wgNoFollowDomainExceptions;
40	if ( $wgNoFollowLinks && !wfMatchesDomainList( $node->getAttribute( 'href' ), $wgNoFollowDomainExceptions ) ) {
41	$oldRel = $node->getAttribute( 'rel' );
42	if ( strpos( ' ' . $oldRel . ' ', ' nofollow ' ) === false ) {
43	$node->setAttribute( 'rel', 'nofollow' . ( $oldRel !== '' ? ' ' . $oldRel : '' ) );
44	}
45	}
46	}
47	}