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https://github.com/silverstripe/silverstripe-cms
synced 2024-10-22 08:05:56 +02:00
bcbeb6d626
Currently, the SiteTreeLinkTracking_Parser only checks the page's content for anchors. As a result, any anchors that have been added or modified by the updateAnchorsOnPage extension in the getAnchorsOnPage method are marked ss-broken. This change updates SiteTreeLinkTracking_Parser to get the anchors from the getAnchorsOnPage function on SiteTree. This will allow for more consistent RegEx matching and allow the updateAnchorsOnPage extension to be used when checking for broken links.
104 lines
3.5 KiB
PHP
104 lines
3.5 KiB
PHP
<?php
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namespace SilverStripe\CMS\Model;
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use DOMElement;
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use SilverStripe\Control\Director;
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use SilverStripe\ORM\DataObject;
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use SilverStripe\View\Parsers\HTMLValue;
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/**
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* A helper object for extracting information about links.
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*/
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class SiteTreeLinkTracking_Parser
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{
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/**
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* Finds the links that are of interest for the link tracking automation. Checks for brokenness and attaches
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* extracted metadata so consumers can decide what to do with the DOM element (provided as DOMReference).
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*
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* @param HTMLValue $htmlValue Object to parse the links from.
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* @return array Associative array containing found links with the following field layout:
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* Type: string, name of the link type
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* Target: any, a reference to the target object, depends on the Type
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* Anchor: string, anchor part of the link
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* DOMReference: DOMElement, reference to the link to apply changes.
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* Broken: boolean, a flag highlighting whether the link should be treated as broken.
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*/
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public function process(HTMLValue $htmlValue)
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{
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$results = [];
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$links = $htmlValue->getElementsByTagName('a');
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if (!$links) {
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return $results;
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}
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/** @var DOMElement $link */
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foreach ($links as $link) {
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if (!$link->hasAttribute('href')) {
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continue;
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}
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$href = $link->getAttribute('href');
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if (Director::is_site_url($href)) {
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$href = Director::makeRelative($href);
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}
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// Definitely broken links.
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if ($href == '' || $href[0] == '/') {
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$results[] = [
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'Type' => 'broken',
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'Target' => null,
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'Anchor' => null,
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'DOMReference' => $link,
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'Broken' => true
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];
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continue;
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}
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// Link to a page on this site.
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$matches = [];
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if (preg_match('/\[sitetree_link(?:\s*|%20|,)?id=(?<id>[0-9]+)\](#(?<anchor>.*))?/i', $href, $matches)) {
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// Check if page link is broken
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/** @var SiteTree $page */
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$page = DataObject::get_by_id(SiteTree::class, $matches['id']);
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if (!$page) {
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// Page doesn't exist.
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$broken = true;
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} elseif (!empty($matches['anchor'])) {
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// Ensure anchor isn't broken on target page
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$broken = !in_array($matches['anchor'], $page->getAnchorsOnPage());
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} else {
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$broken = false;
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}
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$results[] = [
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'Type' => 'sitetree',
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'Target' => $matches['id'],
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'Anchor' => empty($matches['anchor']) ? null : $matches['anchor'],
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'DOMReference' => $link,
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'Broken' => $broken
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];
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continue;
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}
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// Local anchor.
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if (preg_match('/^#(.*)/i', $href, $matches)) {
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$anchor = preg_quote($matches[1], '#');
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$results[] = [
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'Type' => 'localanchor',
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'Target' => null,
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'Anchor' => $matches[1],
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'DOMReference' => $link,
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'Broken' => !preg_match("#(name|id)=\"{$anchor}\"#", $htmlValue->getContent())
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];
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continue;
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}
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}
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return $results;
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}
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}
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