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[FEATURE] Introduce support of SEO related APIs from TYPO3 Core
Patch introduces proper support of SEO related settings & APIs in TYPO3 core: Patch adds ability to use: - Canonical API - MetaTag API - Page title API Respects `page.meta` TypoScript definitions.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| <?php | ||
|
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| /* | ||
| * This file is part of the "headless" Extension for TYPO3 CMS. | ||
| * | ||
| * For the full copyright and license information, please read the | ||
| * LICENSE.md file that was distributed with this source code. | ||
| */ | ||
|
|
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| declare(strict_types=1); | ||
|
|
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| namespace FriendsOfTYPO3\Headless\Seo; | ||
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| use FriendsOfTYPO3\Headless\Utility\HeadlessMode; | ||
| use Psr\EventDispatcher\EventDispatcherInterface; | ||
| use TYPO3\CMS\Core\Domain\Page; | ||
| use TYPO3\CMS\Core\Domain\Repository\PageRepository; | ||
| use TYPO3\CMS\Core\Utility\GeneralUtility; | ||
| use TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController; | ||
| use TYPO3\CMS\Seo\Event\ModifyUrlForCanonicalTagEvent; | ||
|
|
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| use function htmlspecialchars; | ||
| use function json_encode; | ||
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| /** | ||
| * Overridden core version with headless implementation | ||
| * | ||
| * @codeCoverageIgnore | ||
| */ | ||
| class CanonicalGenerator extends \TYPO3\CMS\Seo\Canonical\CanonicalGenerator | ||
| { | ||
| protected TypoScriptFrontendController $typoScriptFrontendController; | ||
| protected PageRepository $pageRepository; | ||
| protected EventDispatcherInterface $eventDispatcher; | ||
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| public function handle(array &$params): string | ||
| { | ||
| if ($this->typoScriptFrontendController->config['config']['disableCanonical'] ?? false) { | ||
| return ''; | ||
| } | ||
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| $event = new ModifyUrlForCanonicalTagEvent('', $params['request'], new Page($params['page'])); | ||
| $event = $this->eventDispatcher->dispatch($event); | ||
| $href = $event->getUrl(); | ||
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|
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| if (empty($href) && (int)$this->typoScriptFrontendController->page['no_index'] === 1) { | ||
| return ''; | ||
| } | ||
|
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| if (empty($href)) { | ||
| // 1) Check if page has canonical URL set | ||
| $href = $this->checkForCanonicalLink(); | ||
| } | ||
| if (empty($href)) { | ||
| // 2) Check if page show content from other page | ||
| $href = $this->checkContentFromPid(); | ||
| } | ||
| if (empty($href)) { | ||
| // 3) Fallback, create canonical URL | ||
| $href = $this->checkDefaultCanonical(); | ||
| } | ||
|
|
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| if (!empty($href)) { | ||
| if (GeneralUtility::makeInstance(HeadlessMode::class)->withRequest($params['request'])->isEnabled()) { | ||
| $canonical = [ | ||
| 'href' => htmlspecialchars($href), | ||
| 'rel' => 'canonical', | ||
| ]; | ||
|
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| $params['_seoLinks'][] = $canonical; | ||
| $canonical = json_encode($canonical); | ||
| } else { | ||
| $canonical = '<link ' . GeneralUtility::implodeAttributes([ | ||
| 'rel' => 'canonical', | ||
| 'href' => $href, | ||
| ], true) . '/>' . LF; | ||
| $this->typoScriptFrontendController->additionalHeaderData[] = $canonical; | ||
| } | ||
|
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| return $canonical; | ||
| } | ||
| return ''; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| <?php | ||
|
|
||
| /* | ||
| * This file is part of the "headless" Extension for TYPO3 CMS. | ||
| * | ||
| * For the full copyright and license information, please read the | ||
| * LICENSE.md file that was distributed with this source code. | ||
| */ | ||
|
|
||
| declare(strict_types=1); | ||
|
|
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| namespace FriendsOfTYPO3\Headless\Seo\MetaTag; | ||
|
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| use FriendsOfTYPO3\Headless\Utility\HeadlessMode; | ||
| use TYPO3\CMS\Core\Utility\GeneralUtility; | ||
|
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| use function array_merge; | ||
| use function json_decode; | ||
| use function json_encode; | ||
|
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| /** | ||
| * Overridden core version with headless implementation | ||
| */ | ||
| abstract class AbstractMetaTagManager extends \TYPO3\CMS\Core\MetaTag\AbstractMetaTagManager | ||
| { | ||
| public function renderAllProperties(): string | ||
| { | ||
| if (GeneralUtility::makeInstance(HeadlessMode::class)->withRequest($GLOBALS['TYPO3_REQUEST'])->isEnabled()) { | ||
| return $this->renderAllHeadlessProperties(); | ||
| } | ||
|
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| return parent::renderAllProperties(); | ||
| } | ||
|
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| public function renderProperty(string $property): string | ||
| { | ||
| if (GeneralUtility::makeInstance(HeadlessMode::class)->withRequest($GLOBALS['TYPO3_REQUEST'])->isEnabled()) { | ||
| return $this->renderHeadlessProperty($property); | ||
| } | ||
|
|
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| return parent::renderProperty($property); | ||
| } | ||
|
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| /** | ||
| * Render a meta tag for a specific property | ||
| * | ||
| * @param string $property Name of the property | ||
| */ | ||
| public function renderHeadlessProperty(string $property): string | ||
| { | ||
| $property = strtolower($property); | ||
| $metaTags = []; | ||
|
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| $nameAttribute = $this->defaultNameAttribute; | ||
| if (isset($this->handledProperties[$property]['nameAttribute']) | ||
| && !empty((string)$this->handledProperties[$property]['nameAttribute'])) { | ||
| $nameAttribute = (string)$this->handledProperties[$property]['nameAttribute']; | ||
| } | ||
|
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| $contentAttribute = $this->defaultContentAttribute; | ||
| if (isset($this->handledProperties[$property]['contentAttribute']) | ||
| && !empty((string)$this->handledProperties[$property]['contentAttribute'])) { | ||
| $contentAttribute = (string)$this->handledProperties[$property]['contentAttribute']; | ||
| } | ||
|
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| if ($nameAttribute && $contentAttribute) { | ||
| foreach ($this->getProperty($property) as $propertyItem) { | ||
| $metaTags[] = [ | ||
| htmlspecialchars($nameAttribute) => htmlspecialchars($property), | ||
| htmlspecialchars($contentAttribute) => htmlspecialchars($propertyItem['content']), | ||
| ]; | ||
|
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| if (!count($propertyItem['subProperties'])) { | ||
| continue; | ||
| } | ||
| foreach ($propertyItem['subProperties'] as $subProperty => $subPropertyItems) { | ||
| foreach ($subPropertyItems as $subPropertyItem) { | ||
| $metaTags[] = [ | ||
| htmlspecialchars($nameAttribute) => htmlspecialchars($property . $this->subPropertySeparator . $subProperty), | ||
| htmlspecialchars($contentAttribute) => htmlspecialchars((string)$subPropertyItem), | ||
| ]; | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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| return json_encode($metaTags); | ||
| } | ||
|
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| /** | ||
| * Render all registered properties of this manager | ||
| */ | ||
| public function renderAllHeadlessProperties(): string | ||
| { | ||
| $metatags = []; | ||
| foreach (array_keys($this->properties) as $property) { | ||
| $metatags = array_merge($metatags, json_decode($this->renderHeadlessProperty($property), true)); | ||
| } | ||
|
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| return json_encode($metatags); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| <?php | ||
|
|
||
| /* | ||
| * This file is part of the "headless" Extension for TYPO3 CMS. | ||
| * | ||
| * For the full copyright and license information, please read the | ||
| * LICENSE.md file that was distributed with this source code. | ||
| */ | ||
|
|
||
| declare(strict_types=1); | ||
|
|
||
| namespace FriendsOfTYPO3\Headless\Seo\MetaTag; | ||
|
|
||
| /** | ||
| * Overridden core version with headless implementation | ||
| */ | ||
| class EdgeMetaTagManager extends AbstractMetaTagManager | ||
| { | ||
| /** | ||
| * @var string[][] | ||
| */ | ||
| protected $handledProperties = [ | ||
| 'x-ua-compatible' => ['nameAttribute' => 'http-equiv'], | ||
| ]; | ||
| } |
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