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102 lines
2.1 KiB
PHP
102 lines
2.1 KiB
PHP
<?php
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/*
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* Copyright (c) 2020-2024. The Nextcloud Bookmarks contributors.
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*
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* This file is licensed under the Affero General Public License version 3 or later. See the COPYING file.
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*/
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namespace OCA\Bookmarks\Service\Previewers;
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use Exception;
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use OCA\Bookmarks\Contract\IBookmarkPreviewer;
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use OCA\Bookmarks\Contract\IImage;
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use OCA\Bookmarks\Db\Bookmark;
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use OCA\Bookmarks\Image;
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use OCP\Http\Client\IClient;
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use OCP\Http\Client\IClientService;
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use OCP\IConfig;
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use Psr\Log\LoggerInterface;
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class GenericUrlBookmarkPreviewer implements IBookmarkPreviewer {
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public const CACHE_PREFIX = 'bookmarks.GenericPreviewService';
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public const HTTP_TIMEOUT = 10 * 1000;
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/**
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* @var string
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*/
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private $apiKey;
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/**
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* @var IClient
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*/
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private $client;
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/** @var LoggerInterface */
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private $logger;
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/**
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* @var int
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*/
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private $width = 800;
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/**
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* @var int
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*/
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private $height = 800;
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/**
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* @var string
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*/
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private $apiUrl;
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public function __construct(IConfig $config, IClientService $clientService, LoggerInterface $logger) {
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$this->apiUrl = $config->getAppValue('bookmarks', 'previews.generic.url', '');
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$this->client = $clientService->newClient();
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$this->logger = $logger;
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}
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/**
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* @param Bookmark|null $bookmark
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*
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* @return Image|null
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*/
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public function getImage($bookmark, $cacheOnly = false): ?IImage {
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if (!isset($bookmark)) {
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return null;
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}
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if ($this->apiUrl === '' || $cacheOnly) {
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return null;
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}
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$url = $bookmark->getUrl();
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// Fetch image from remote server
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return $this->fetchImage($url);
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}
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/**
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* @param string $url
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* @return Image|null
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*/
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public function fetchImage($url): ?Image {
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try {
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$response = $this->client->get(str_replace('{url}', urlencode($url), $this->apiUrl), [
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'timeout' => self::HTTP_TIMEOUT,
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]);
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$body = $response->getBody();
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} catch (Exception $e) {
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$this->logger->debug($e->getMessage(), ['app' => 'bookmarks']);
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return null;
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}
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// Some HTPP Error occured :/
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if ($response->getStatusCode() !== 200) {
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return null;
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}
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return new Image('image/jpeg', $body);
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}
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}
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