%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/*
* Copyright (c) 2020. The Nextcloud Bookmarks contributors.
*
* This file is licensed under the Affero General Public License version 3 or later. See the COPYING file.
*/
namespace OCA\Bookmarks\Service;
use Marcelklehr\LinkPreview\Client as LinkPreview;
use OCA\Bookmarks\Http\Client;
use OCA\Bookmarks\Http\RequestFactory;
use OCP\Http\Client\IClientService;
use OCP\IConfig;
use Psr\Log\LoggerInterface;
use Rowbot\URL\Exception\TypeError;
use Rowbot\URL\URL;
class LinkExplorer {
private $linkPreview;
private $logger;
/**
* @var string
*/
private $enabled;
public function __construct(IClientService $clientService, LoggerInterface $logger, IConfig $config) {
$client = $clientService->newClient();
$this->linkPreview = new LinkPreview(new Client($client), new RequestFactory());
$this->linkPreview->getParser('general')->setMinimumImageDimensions(150, 550);
$this->logger = $logger;
$this->enabled = $config->getAppValue('bookmarks', 'privacy.enableScraping', 'false');
}
/**
* @brief Load Url and receive Metadata (Title)
* @param string $url Url to load and analyze
* @return array Metadata for url;
*/
public function get($url): array {
$data = ['url' => $url];
if ($this->enabled === 'false') {
return $data;
}
// Use LinkPreview to get the meta data
try {
libxml_use_internal_errors(false);
$preview = $this->linkPreview->getLink($url)->getPreview();
} catch (\Throwable $e) {
$this->logger->debug($e->getMessage(), ['app' => 'bookmarks']);
return $data;
}
$data = $preview->toArray();
if (!isset($data)) {
return ['url' => $url];
}
$data['url'] = (string)$preview->getUrl();
if (isset($data['image'])) {
if (isset($data['image']['small'])) {
try {
$data['image']['small'] = $this->resolveUrl($data['image']['small'], $data['url']);
} catch (TypeError $e) {
// noop
}
}
if (isset($data['image']['large'])) {
try {
$data['image']['large'] = $this->resolveUrl($data['image']['large'], $data['url']);
} catch (TypeError $e) {
// noop
}
}
if (isset($data['image']['favicon'])) {
try {
$data['image']['favicon'] = $this->resolveUrl($data['image']['favicon'], $data['url']);
} catch (TypeError $e) {
// noop
}
}
}
return $data;
}
/**
* @throws TypeError
*/
private function resolveUrl(string $link, string $base) : string {
$url = new URL($link, $base);
return $url->href;
}
}
Zerion Mini Shell 1.0