<?php
/**
- * @copyright Copyright (C) 2010-2021, the Friendica project
+ * @copyright Copyright (C) 2010-2023, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
use Friendica\Core\Logger;
use Friendica\Core\System;
+use Friendica\Database\Database;
use Friendica\Database\DBA;
use Friendica\DI;
+use Friendica\Network\HTTPClient\Client\HttpClientAccept;
+use Friendica\Network\HTTPClient\Client\HttpClientOptions;
+use Friendica\Util\HTTPSignature;
+use Friendica\Util\Images;
use Friendica\Util\Proxy;
+use Friendica\Object\Image;
/**
* Class Link
*/
class Link
{
- public static function getByLink(int $uri_id, string $url, $size = '')
+ /**
+ * Check if the link is stored
+ *
+ * @param int $uriId
+ * @param string $url URL
+ * @return bool Whether record has been found
+ */
+ public static function exists(int $uriId, string $url): bool
+ {
+ return DBA::exists('post-link', ['uri-id' => $uriId, 'url' => $url]);
+ }
+
+ /**
+ * Returns URL by URI id and other URL
+ *
+ * @param int $uriId
+ * @param string $url
+ * @param string $size
+ * @return string Found link URL + id on success, $url on failure
+ */
+ public static function getByLink(int $uriId, string $url, string $size = ''): string
{
- if (empty($uri_id) || empty($url) || Proxy::isLocalImage($url)) {
+ if (empty($uriId) || empty($url) || Proxy::isLocalImage($url)) {
return $url;
}
if (!in_array(parse_url($url, PHP_URL_SCHEME), ['http', 'https'])) {
- Logger::info('Bad URL, quitting', ['uri-id' => $uri_id, 'url' => $url, 'callstack' => System::callstack(20)]);
+ Logger::info('Bad URL, quitting', ['uri-id' => $uriId, 'url' => $url, 'callstack' => System::callstack(20)]);
return $url;
}
- $link = DBA::selectFirst('post-link', ['id'], ['uri-id' => $uri_id, 'url' => $url]);
+ $link = DBA::selectFirst('post-link', ['id'], ['uri-id' => $uriId, 'url' => $url]);
if (!empty($link['id'])) {
$id = $link['id'];
- Logger::info('Found', ['id' => $id, 'uri-id' => $uri_id, 'url' => $url]);
+ Logger::info('Found', ['id' => $id, 'uri-id' => $uriId, 'url' => $url]);
} else {
- $mime = self::fetchMimeType($url);
+ $fields = self::fetchMimeType($url);
+ $fields['uri-id'] = $uriId;
+ $fields['url'] = $url;
- DBA::insert('post-link', ['uri-id' => $uri_id, 'url' => $url, 'mimetype' => $mime]);
+ DBA::insert('post-link', $fields, Database::INSERT_IGNORE);
$id = DBA::lastInsertId();
- Logger::info('Inserted', ['id' => $id, 'uri-id' => $uri_id, 'url' => $url]);
+ Logger::info('Inserted', $fields);
}
if (empty($id)) {
case Proxy::SIZE_MICRO:
$url .= Proxy::PIXEL_MICRO . '/';
break;
+
case Proxy::SIZE_THUMB:
$url .= Proxy::PIXEL_THUMB . '/';
break;
+
case Proxy::SIZE_SMALL:
$url .= Proxy::PIXEL_SMALL . '/';
break;
+
case Proxy::SIZE_MEDIUM:
$url .= Proxy::PIXEL_MEDIUM . '/';
break;
+
case Proxy::SIZE_LARGE:
$url .= Proxy::PIXEL_LARGE . '/';
break;
return $url . $id;
}
- private static function fetchMimeType(string $url)
+ /**
+ * Fetches MIME type by URL and Accept: header
+ *
+ * @param string $url URL to fetch
+ * @param string $accept Comma-separated list of expected response MIME type(s)
+ * @return array Discovered MIME type and blurhash or empty array on failure
+ */
+ private static function fetchMimeType(string $url, string $accept = HttpClientAccept::DEFAULT): array
{
$timeout = DI::config()->get('system', 'xrd_timeout');
- $curlResult = DI::httpRequest()->head($url, ['timeout' => $timeout]);
- if ($curlResult->isSuccess()) {
- if (empty($media['mimetype'])) {
- return $curlResult->getHeader('Content-Type');
+ try {
+ $curlResult = HTTPSignature::fetchRaw($url, 0, [HttpClientOptions::TIMEOUT => $timeout, HttpClientOptions::ACCEPT_CONTENT => $accept]);
+ if (empty($curlResult) || !$curlResult->isSuccess()) {
+ return [];
}
+ } catch (\Exception $exception) {
+ Logger::notice('Error fetching url', ['url' => $url, 'exception' => $exception]);
+ return [];
+ }
+ $fields = ['mimetype' => $curlResult->getHeader('Content-Type')[0]];
+
+ $img_str = $curlResult->getBody();
+ $image = new Image($img_str, Images::getMimeTypeByData($img_str));
+ if ($image->isValid()) {
+ $fields['mimetype'] = $image->getType();
+ $fields['width'] = $image->getWidth();
+ $fields['height'] = $image->getHeight();
+ $fields['blurhash'] = $image->getBlurHash();
}
- return '';
+
+ return $fields;
}
/**
* Add external links and replace them in the body
*
- * @param integer $uriid
- * @param string $body
+ * @param integer $uriId
+ * @param string $body Item body formatted with BBCodes
* @return string Body with replaced links
*/
- public static function insertFromBody(int $uriid, string $body)
+ public static function insertFromBody(int $uriId, string $body): string
{
if (preg_match_all("/\[img\=([0-9]*)x([0-9]*)\](http.*?)\[\/img\]/ism", $body, $pictures, PREG_SET_ORDER)) {
foreach ($pictures as $picture) {
- $body = str_replace($picture[3], self::getByLink($uriid, $picture[3]), $body);
+ $body = str_replace($picture[3], self::getByLink($uriId, $picture[3]), $body);
}
}
if (preg_match_all("/\[img=(http[^\[\]]*)\]([^\[\]]*)\[\/img\]/Usi", $body, $pictures, PREG_SET_ORDER)) {
foreach ($pictures as $picture) {
- $body = str_replace($picture[1], self::getByLink($uriid, $picture[1]), $body);
+ $body = str_replace($picture[1], self::getByLink($uriId, $picture[1]), $body);
}
}
if (preg_match_all("/\[img\](http[^\[\]]*)\[\/img\]/ism", $body, $pictures, PREG_SET_ORDER)) {
foreach ($pictures as $picture) {
- $body = str_replace($picture[1], self::getByLink($uriid, $picture[1]), $body);
+ $body = str_replace($picture[1], self::getByLink($uriId, $picture[1]), $body);
}
}