]> git.mxchange.org Git - friendica.git/blobdiff - src/Model/Post/Media.php
Merge branch '2021.03-rc' into copyright-2021
[friendica.git] / src / Model / Post / Media.php
index de50f135988d40fb443556f27a1d201a30210e35..5dc5a0daa241ef8bc3df99e327cca313d98aa43b 100644 (file)
@@ -1,6 +1,6 @@
 <?php
 /**
- * @copyright Copyright (C) 2020, Friendica
+ * @copyright Copyright (C) 2010-2021, the Friendica project
  *
  * @license GNU AGPL version 3 or any later version
  *
@@ -23,7 +23,9 @@ namespace Friendica\Model\Post;
 
 use Friendica\Core\Logger;
 use Friendica\Core\System;
+use Friendica\Database\Database;
 use Friendica\Database\DBA;
+use Friendica\DI;
 use Friendica\Util\Images;
 
 /**
@@ -34,11 +36,12 @@ 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
@@ -46,25 +49,106 @@ class Media
         * @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'];
@@ -80,9 +164,7 @@ class Media
                                }
                        }
                }
-
-               $result = DBA::insert('post-media', $media, true);
-               Logger::info('Stored media', ['result' => $result, 'media' => $media, 'callstack' => System::callstack()]);
+               return $media;
        }
 
        /**
@@ -104,7 +186,7 @@ class Media
         * @param string $body
         * @return string Body without media links
         */
-       public static function addAttachmentsFromBody(int $uriid, string $body)
+       public static function insertFromBody(int $uriid, string $body)
        {
                // Simplify image codes
                $body = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $body);
@@ -148,7 +230,6 @@ class Media
                        }
                }
 
-               /// @todo audio + video
                if (preg_match_all("/\[audio\]([^\[\]]*)\[\/audio\]/ism", $body, $audios, PREG_SET_ORDER)) {
                        foreach ($audios as $audio) {
                                $body = str_replace($audio[0], '', $body);
@@ -169,4 +250,48 @@ class 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);
+       }
 }