<?php
/**
- * @copyright Copyright (C) 2020, Friendica
+ * @copyright Copyright (C) 2010-2021, 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\Util\Images;
/**
*/
class Media
{
- const UNKNOWN = 0;
- const IMAGE = 1;
- const VIDEO = 2;
- const AUDIO = 3;
- const TORRENT = 16;
+ const UNKNOWN = 0;
+ const IMAGE = 1;
+ const VIDEO = 2;
+ const AUDIO = 3;
+ const TORRENT = 16;
+ const DOCUMENT = 128;
/**
* Insert a post-media record
* @param array $media
* @return void
*/
- public static function insert(array $media)
+ public static function insert(array $media, bool $force = false)
{
- if (empty($media['url']) || empty($media['uri-id'])) {
+ if (empty($media['url']) || empty($media['uri-id']) || empty($media['type'])) {
+ Logger::warning('Incomplete media data', ['media' => $media]);
return;
}
- if (DBA::exists('post-media', ['uri-id' => $media['uri-id'], 'url' => $media['url']])) {
+ // "document" has got the lowest priority. So when the same file is both attached as document
+ // and embedded as picture then we only store the picture or replace the document
+ $found = DBA::selectFirst('post-media', ['type'], ['uri-id' => $media['uri-id'], 'url' => $media['url']]);
+ if (!$force && !empty($found) && (($found['type'] != self::DOCUMENT) || ($media['type'] == self::DOCUMENT))) {
Logger::info('Media already exists', ['uri-id' => $media['uri-id'], 'url' => $media['url'], 'callstack' => System::callstack()]);
return;
}
- $fields = ['type', 'mimetype', 'height', 'width', 'size', 'preview', 'preview-height', 'preview-width', 'description'];
+ $fields = ['mimetype', 'height', 'width', 'size', 'preview', 'preview-height', 'preview-width', 'description'];
foreach ($fields as $field) {
if (empty($media[$field])) {
unset($media[$field]);
}
}
- if ($media['type'] == self::IMAGE) {
+ // We are storing as fast as possible to avoid duplicated network requests
+ // when fetching additional information for pictures and other content.
+ $result = DBA::insert('post-media', $media, Database::INSERT_UPDATE);
+ Logger::info('Stored media', ['result' => $result, 'media' => $media, 'callstack' => System::callstack()]);
+ $stored = $media;
+
+ $media = self::fetchAdditionalData($media);
+
+ if (array_diff_assoc($media, $stored)) {
+ $result = DBA::insert('post-media', $media, Database::INSERT_UPDATE);
+ Logger::info('Updated media', ['result' => $result, 'media' => $media]);
+ } else {
+ Logger::info('Nothing to update', ['media' => $media]);
+ }
+ }
+
+ /**
+ * Copy attachments from one uri-id to another
+ *
+ * @param integer $from_uri_id
+ * @param integer $to_uri_id
+ * @return void
+ */
+ public static function copy(int $from_uri_id, int $to_uri_id)
+ {
+ $attachments = self::getByURIId($from_uri_id);
+ foreach ($attachments as $attachment) {
+ $attachment['uri-id'] = $to_uri_id;
+ self::insert($attachment);
+ }
+ }
+
+ /**
+ * Creates the "[attach]" element from the given attributes
+ *
+ * @param string $href
+ * @param integer $length
+ * @param string $type
+ * @param string $title
+ * @return string "[attach]" element
+ */
+ public static function getAttachElement(string $href, int $length, string $type, string $title = '')
+ {
+ $media = self::fetchAdditionalData(['type' => self::DOCUMENT, 'url' => $href,
+ 'size' => $length, 'mimetype' => $type, 'description' => $title]);
+
+ return '[attach]href="' . $media['url'] . '" length="' . $media['size'] .
+ '" type="' . $media['mimetype'] . '" title="' . $media['description'] . '"[/attach]';
+ }
+
+ /**
+ * Fetch additional data for the provided media array
+ *
+ * @param array $media
+ * @return array media array with additional data
+ */
+ public static function fetchAdditionalData(array $media)
+ {
+ // Fetch the mimetype or size if missing.
+ // We don't do it for torrent links since they need special treatment.
+ // We don't do this for images, since we are fetching their details some lines later anyway.
+ if (!in_array($media['type'], [self::TORRENT, self::IMAGE]) && (empty($media['mimetype']) || empty($media['size']))) {
+ $timeout = DI::config()->get('system', 'xrd_timeout');
+ $curlResult = DI::httpRequest()->head($media['url'], ['timeout' => $timeout]);
+ if ($curlResult->isSuccess()) {
+ $header = $curlResult->getHeaderArray();
+ if (empty($media['mimetype']) && !empty($header['content-type'])) {
+ $media['mimetype'] = $header['content-type'];
+ }
+ if (empty($media['size']) && !empty($header['content-length'])) {
+ $media['size'] = $header['content-length'];
+ }
+ }
+ }
+
+ $filetype = !empty($media['mimetype']) ? strtolower(substr($media['mimetype'], 0, strpos($media['mimetype'], '/'))) : '';
+
+ if (($media['type'] == self::IMAGE) || ($filetype == 'image')) {
$imagedata = Images::getInfoFromURLCached($media['url']);
if (!empty($imagedata)) {
$media['mimetype'] = $imagedata['mime'];
}
}
}
-
- $result = DBA::insert('post-media', $media, true);
- Logger::info('Stored media', ['result' => $result, 'media' => $media, 'callstack' => System::callstack()]);
+ return $media;
}
/**
return trim($body);
}
+
+ /**
+ * Add media links from the attach field
+ *
+ * @param integer $uriid
+ * @param string $attach
+ * @return void
+ */
+ public static function insertFromAttachment(int $uriid, string $attach)
+ {
+ if (!preg_match_all('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\"(?: title=\"(.*?)\")?|', $attach, $matches, PREG_SET_ORDER)) {
+ return;
+ }
+
+ foreach ($matches as $attachment) {
+ $media['type'] = self::DOCUMENT;
+ $media['uri-id'] = $uriid;
+ $media['url'] = $attachment[1];
+ $media['size'] = $attachment[2];
+ $media['mimetype'] = $attachment[3];
+ $media['description'] = $attachment[4] ?? '';
+
+ self::insert($media);
+ }
+ }
+
+ /**
+ * Retrieves the media attachments associated with the provided item ID.
+ *
+ * @param int $uri_id
+ * @param array $types
+ * @return array
+ * @throws \Exception
+ */
+ public static function getByURIId(int $uri_id, array $types = [])
+ {
+ $condition = ['uri-id' => $uri_id];
+
+ if (!empty($types)) {
+ $condition = DBA::mergeConditions($condition, ['type' => $types]);
+ }
+
+ return DBA::selectToArray('post-media', [], $condition);
+ }
}