forked from GNUsocial/gnu-social
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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* 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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defined('GNUSOCIAL') || die();
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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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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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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 oembed 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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* 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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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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* 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('DEBUGGING oEmbed: 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_name)) {
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$file_embed->provider = $data->provider_name;
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}
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if (!empty($data->provider)) {
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$file_embed->provider = $data->provider;
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}
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if (!empty($data->provider_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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