147 lines
3.7 KiB
PHP
147 lines
3.7 KiB
PHP
<?php
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/**
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* Nextcloud - News
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*
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* This file is licensed under the Affero General Public License version 3 or
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* later. See the COPYING file.
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*
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* @author Alessandro Cosentino <cosenal@gmail.com>
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* @author Bernhard Posselt <dev@bernhard-posselt.com>
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* @copyright 2012 Alessandro Cosentino
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* @copyright 2012-2014 Bernhard Posselt
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*/
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namespace OCA\News\Config;
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use FeedIo\Adapter\ClientInterface;
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use \GuzzleHttp\Client;
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use OCA\News\AppInfo\Application;
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use OCA\News\Fetcher\Client\FeedIoClient;
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use OCP\IConfig;
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/**
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* Class FetcherConfig
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*
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* @package OCA\News\Config
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*/
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class FetcherConfig
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{
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/**
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* Timeout before the client should abort.
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* @var string
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*/
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protected $client_timeout;
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/**
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* Configuration for an HTTP proxy.
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* @var string
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*/
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protected $proxy;
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/**
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* Amount of allowed redirects.
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* @var string
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*/
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protected $redirects;
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/**
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* User agent for the client.
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* @var string
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*/
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const DEFAULT_USER_AGENT = 'NextCloud-News/1.0';
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/**
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* Acccept header for the client.
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* @var string
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*/
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const DEFAULT_ACCEPT = 'application/rss+xml, application/rdf+xml;q=0.8, ' .
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'application/atom+xml;q=0.6, application/xml;q=0.4, ' .
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'text/xml;q=0.4, */*;q=0.2';
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/**
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* FetcherConfig constructor.
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*
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* @param IConfig $config
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*/
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public function __construct(IConfig $config)
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{
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$this->client_timeout = $config->getAppValue(
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Application::NAME,
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'feedFetcherTimeout',
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Application::DEFAULT_SETTINGS['feedFetcherTimeout']
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);
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$this->redirects = $config->getAppValue(
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Application::NAME,
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'maxRedirects',
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Application::DEFAULT_SETTINGS['maxRedirects']
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);
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$proxy = $config->getSystemValue('proxy', null);
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if (is_null($proxy)) {
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return $this;
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}
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$url = new \Net_URL2($proxy);
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$creds = $config->getSystemValue('proxyuserpwd', null);
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if ($creds !== null) {
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$auth = explode(':', $creds, 2);
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$url->setUserinfo($auth[0], $auth[1]);
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}
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$this->proxy = $url->getNormalizedURL();
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return $this;
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}
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/**
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* Checks for available encoding options
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*
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* @return String list of supported encoding types
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*/
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public function checkEncoding()
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{
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$supportedEncoding = [];
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// check curl features
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$curl_features = curl_version()["features"];
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$bitfields = array('CURL_VERSION_LIBZ' => ['gzip', 'deflate'], 'CURL_VERSION_BROTLI' => ['br']);
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foreach ($bitfields as $feature => $header) {
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// checking available features via the 'features' bitmask and adding available types to the list
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if (defined($feature) && $curl_features & constant($feature)) {
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$supportedEncoding = array_merge($supportedEncoding, $header);
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}
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}
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return implode(", ", $supportedEncoding);
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}
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/**
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* Configure a guzzle client
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*
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* @return ClientInterface Client to guzzle.
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*/
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public function getClient(): ClientInterface
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{
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$config = [
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'timeout' => $this->client_timeout,
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'headers' => [
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'User-Agent' => static::DEFAULT_USER_AGENT,
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'Accept' => static::DEFAULT_ACCEPT,
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'Accept-Encoding' => $this->checkEncoding()
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],
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];
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if (!is_null($this->proxy)) {
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$config['proxy'] = $this->proxy;
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}
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if (!is_null($this->redirects)) {
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$config['redirect.max'] = $this->redirects;
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}
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$client = new Client($config);
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return new FeedIoClient($client);
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}
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}
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