184 lines
		
	
	
		
			7.7 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			184 lines
		
	
	
		
			7.7 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| // This file is part of GNU social - https://www.gnu.org/software/social
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| //
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| // GNU social is free software: you can redistribute it and/or modify
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| // it under the terms of the GNU Affero General Public License as published by
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| // the Free Software Foundation, either version 3 of the License, or
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| // (at your option) any later version.
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| //
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| // GNU social is distributed in the hope that it will be useful,
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| // but WITHOUT ANY WARRANTY; without even the implied warranty of
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| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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| // GNU Affero General Public License for more details.
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| //
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| // You should have received a copy of the GNU Affero General Public License
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| // along with GNU social.  If not, see <http://www.gnu.org/licenses/>.
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| 
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| /**
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|  * OembedPlugin implementation for GNU social
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|  *
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|  * @package   GNUsocial
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|  * @author    Stephen Paul Weber
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|  * @author    Mikael Nordfeldth
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|  * @author    Diogo Cordeiro <diogo@fc.up.pt>
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|  * @copyright 2019 Free Software Foundation, Inc http://www.fsf.org
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|  * @license   https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
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|  */
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| 
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| defined('GNUSOCIAL') || die();
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| 
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| /**
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|  * Table Definition for file_embed
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|  *
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|  * @copyright 2019 Free Software Foundation, Inc http://www.fsf.org
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|  * @license   https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
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|  */
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| class File_embed extends Managed_DataObject
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| {
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|     public $__table = 'file_embed';                     // table name
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|     public $file_id;                         // int(4)  primary_key not_null
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|     public $version;                         // varchar(20)
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|     public $type;                            // varchar(20)
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|     public $mimetype;                        // varchar(50)
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|     public $provider;                        // varchar(50)
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|     public $provider_url;                    // varchar(191)   not 255 because utf8mb4 takes more space
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|     public $width;                           // int(4)
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|     public $height;                          // int(4)
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|     public $html;                            // text()
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|     public $title;                           // varchar(191)   not 255 because utf8mb4 takes more space
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|     public $author_name;                     // varchar(50)
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|     public $author_url;                      // varchar(191)   not 255 because utf8mb4 takes more space
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|     public $url;                             // varchar(191)   not 255 because utf8mb4 takes more space
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|     public $modified;                        // timestamp()   not_null default_CURRENT_TIMESTAMP
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| 
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|     public static function schemaDef()
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|     {
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|         return array(
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|             'fields' => array(
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|                 'file_id' => array('type' => 'int', 'not null' => true, 'description' => 'oEmbed for that URL/file'),
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|                 'version' => array('type' => 'varchar', 'length' => 20, 'description' => 'oEmbed spec. version'),
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|                 'type' => array('type' => 'varchar', 'length' => 20, 'description' => 'oEmbed type: photo, video, link, rich'),
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|                 'mimetype' => array('type' => 'varchar', 'length' => 50, 'description' => 'mime type of resource'),
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|                 'provider' => array('type' => 'text', 'description' => 'name of this oEmbed provider'),
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|                 'provider_url' => array('type' => 'text', 'description' => 'URL of this oEmbed provider'),
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|                 'width' => array('type' => 'int', 'description' => 'width of oEmbed resource when available'),
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|                 'height' => array('type' => 'int', 'description' => 'height of oEmbed resource when available'),
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|                 'html' => array('type' => 'text', 'description' => 'html representation of this oEmbed resource when applicable'),
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|                 'title' => array('type' => 'text', 'description' => 'title of oEmbed resource when available'),
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|                 'author_name' => array('type' => 'text', 'description' => 'author name for this oEmbed resource'),
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|                 'author_url' => array('type' => 'text', 'description' => 'author URL for this oEmbed resource'),
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|                 'url' => array('type' => 'text', 'description' => 'URL for this oEmbed resource when applicable (photo, link)'),
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|                 'modified' => array('type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'),
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|             ),
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|             'primary key' => array('file_id'),
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|             'foreign keys' => array(
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|                 'file_embed_file_id_fkey' => array('file', array('file_id' => 'id')),
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|             ),
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|         );
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|     }
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| 
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|     public static function getEmbed($url)
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|     {
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|         try {
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|             return EmbedHelper::getObject($url);
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|         } catch (Exception $e) {
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|             common_log(LOG_INFO, "Error during Embed lookup for {$url} - " . $e->getMessage());
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|             return false;
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|         }
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|     }
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| 
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|     /**
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|      * Fetch an entry by using a File's id
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|      */
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|     public static function getByFile(File $file)
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|     {
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|         $fo = new File_embed();
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|         $fo->file_id = $file->id;
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|         if (!$fo->find(true)) {
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|             throw new NoResultException($fo);
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|         }
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|         return $fo;
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|     }
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| 
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|     public function getUrl()
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|     {
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|         return $this->url;
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|     }
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| 
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|     /**
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|      * Save embedding info for a new file.
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|      *
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|      * @param object $data Services_oEmbed_Object_*
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|      * @param int $file_id
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|      */
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|     public static function saveNew($data, $file_id)
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|     {
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|         $file_embed = new File_embed;
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|         $file_embed->file_id = $file_id;
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|         if (!isset($data->version)) {
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|             common_debug('Embed: data->version undefined in variable $data: '.var_export($data, true));
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|         }
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|         $file_embed->version = $data->version;
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|         $file_embed->type = $data->type;
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|         if (!empty($data->provider)) {
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|             $file_embed->provider = $data->provider;
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|         }
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|         if (!empty($data->provider_name)) {
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|             $file_embed->provider = $data->provider_name;
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|         }
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|         if (!empty($data->provider_url)) {
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|             $file_embed->provider_url = $data->provider_url;
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|         }
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|         if (!empty($data->width)) {
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|             $file_embed->width = intval($data->width);
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|         }
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|         if (!empty($data->height)) {
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|             $file_embed->height = intval($data->height);
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|         }
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|         if (!empty($data->html)) {
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|             $file_embed->html = $data->html;
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|         }
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|         if (!empty($data->title)) {
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|             $file_embed->title = $data->title;
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|         }
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|         if (!empty($data->author_name)) {
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|             $file_embed->author_name = $data->author_name;
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|         }
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|         if (!empty($data->author_url)) {
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|             $file_embed->author_url = $data->author_url;
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|         }
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|         if (!empty($data->url)) {
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|             $file_embed->url = $data->url;
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|             $given_url = File_redirection::_canonUrl($file_embed->url);
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|             if (! empty($given_url)) {
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|                 try {
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|                     $file = File::getByUrl($given_url);
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|                     $file_embed->mimetype = $file->mimetype;
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|                 } catch (NoResultException $e) {
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|                     // File_redirection::where argument 'discover' is false to avoid loops
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|                     $redir = File_redirection::where($given_url, false);
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|                     if (!empty($redir->file_id)) {
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|                         $file_id = $redir->file_id;
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|                     }
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|                 }
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|             }
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|         }
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|         $result = $file_embed->insert();
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|         if ($result === false) {
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|             throw new ServerException('Failed to insert File_embed data into database!');
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|         }
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|         if (!empty($data->thumbnail_url) || ($data->type == 'photo')) {
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|             $ft = File_thumbnail::getKV('file_id', $file_id);
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|             if ($ft instanceof File_thumbnail) {
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|                 common_log(
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|                     LOG_WARNING,
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|                     "Strangely, a File_thumbnail object exists for new file $file_id",
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|                     __FILE__
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|                 );
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|             } else {
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|                 File_thumbnail::saveNew($data, $file_id);
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|             }
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|         }
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|     }
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| }
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