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Add og metadata to share (fix #466) 

Signed-off-by: Varun Patil <varunpatil@ucla.edu>
pull/488/head
Varun Patil 2023-03-14 13:20:24 -07:00
parent 0286ba8bbd
commit 2a9cfaf81b
2 changed files with 62 additions and 0 deletions
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6
lib/Controller/PublicController.php
View File

@ -130,6 +130,12 @@ class PublicController extends AuthPublicShareController
$this->initialState->provideInitialState('single_item', $this->getSingleItemInitialState($node)); $this->initialState->provideInitialState('single_item', $this->getSingleItemInitialState($node));
} }
// Add OG metadata
$params = ['token' => $this->getToken()];
$url = $this->urlGenerator->linkToRouteAbsolute('memories.Public.showShare', $params);
\OCA\Memories\Util::addOgMetadata($node, $node->getName(), $url, $params);
// Render the template
$response = new PublicTemplateResponse($this->appName, 'main'); $response = new PublicTemplateResponse($this->appName, 'main');
$response->setHeaderTitle($node->getName()); $response->setHeaderTitle($node->getName());
$response->setFooterVisible(false); // wth is that anyway? $response->setFooterVisible(false); // wth is that anyway?

56
lib/Util.php
View File

@ -4,8 +4,13 @@ declare(strict_types=1);
namespace OCA\Memories; namespace OCA\Memories;
use OC\Files\Search\SearchBinaryOperator;
use OC\Files\Search\SearchComparison;
use OC\Files\Search\SearchQuery;
use OCP\App\IAppManager; use OCP\App\IAppManager;
use OCP\Files\Node; use OCP\Files\Node;
use OCP\Files\Search\ISearchBinaryOperator;
use OCP\Files\Search\ISearchComparison;
use OCP\IConfig; use OCP\IConfig;
class Util class Util
@ -179,6 +184,57 @@ class Util
return $str; return $str;
} }
/**
* Add OG metadata to a page for a node.
*
* @param mixed $node Node to get metadata from
* @param mixed $title Title of the page
* @param mixed $url URL of the page
* @param mixed $previewArgs Preview arguments (e.g. token)
*/
public static function addOgMetadata(Node $node, string $title, string $url, array $previewArgs)
{
// Add title
\OCP\Util::addHeader('meta', ['property' => 'og:title', 'content' => $title]);
// Get first node if folder
if ($node instanceof \OCP\Files\Folder) {
$query = new SearchBinaryOperator(ISearchBinaryOperator::OPERATOR_OR, [
new SearchComparison(ISearchComparison::COMPARE_LIKE, 'mimetype', 'image/%'),
new SearchComparison(ISearchComparison::COMPARE_LIKE, 'mimetype', 'video/%'),
]);
$query = new SearchQuery($query, 1, 0, [], null);
$nodes = $node->search($query);
if (0 === \count($nodes)) {
return;
}
$node = $nodes[0];
}
// Add file type
$mimeType = $node->getMimeType();
if (str_starts_with($mimeType, 'image/')) {
\OCP\Util::addHeader('meta', ['property' => 'og:type', 'content' => 'image']);
} elseif (str_starts_with($mimeType, 'video/')) {
\OCP\Util::addHeader('meta', ['property' => 'og:type', 'content' => 'video']);
}
// Add OG url
\OCP\Util::addHeader('meta', ['property' => 'og:url', 'content' => $url]);
// Get URL generator
$urlGenerator = \OC::$server->get(\OCP\IURLGenerator::class);
// Add OG image
$preview = $urlGenerator->linkToRouteAbsolute('memories.Image.preview', array_merge($previewArgs, [
'id' => $node->getId(),
'x' => 1024,
'y' => 1024,
'a' => true,
]));
\OCP\Util::addHeader('meta', ['property' => 'og:image', 'content' => $preview]);
}
/** /**
* Check if any encryption is enabled that we can not cope with * Check if any encryption is enabled that we can not cope with
* such as end-to-end encryption. * such as end-to-end encryption.