gnu-social/classes/File.php
2009-08-25 18:42:34 -04:00

212 lines
7.8 KiB
PHP

<?php
/*
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2008, 2009, StatusNet, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
if (!defined('STATUSNET')) { exit(1); }
require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
require_once INSTALLDIR.'/classes/File_redirection.php';
require_once INSTALLDIR.'/classes/File_oembed.php';
require_once INSTALLDIR.'/classes/File_thumbnail.php';
require_once INSTALLDIR.'/classes/File_to_post.php';
//require_once INSTALLDIR.'/classes/File_redirection.php';
/**
* Table Definition for file
*/
class File extends Memcached_DataObject
{
###START_AUTOCODE
/* the code below is auto generated do not remove the above tag */
public $__table = 'file'; // table name
public $id; // int(4) primary_key not_null
public $url; // varchar(255) unique_key
public $mimetype; // varchar(50)
public $size; // int(4)
public $title; // varchar(255)
public $date; // int(4)
public $protected; // int(4)
public $filename; // varchar(255)
public $modified; // timestamp() not_null default_CURRENT_TIMESTAMP
/* Static get */
function staticGet($k,$v=NULL) { return Memcached_DataObject::staticGet('File',$k,$v); }
/* the code above is auto generated do not remove the tag below */
###END_AUTOCODE
function isProtected($url) {
return 'http://www.facebook.com/login.php' === $url;
}
function getAttachments($post_id) {
$query = "select file.* from file join file_to_post on (file_id = file.id) join notice on (post_id = notice.id) where post_id = " . $this->escape($post_id);
$this->query($query);
$att = array();
while ($this->fetch()) {
$att[] = clone($this);
}
$this->free();
return $att;
}
function saveNew($redir_data, $given_url) {
$x = new File;
$x->url = $given_url;
if (!empty($redir_data['protected'])) $x->protected = $redir_data['protected'];
if (!empty($redir_data['title'])) $x->title = $redir_data['title'];
if (!empty($redir_data['type'])) $x->mimetype = $redir_data['type'];
if (!empty($redir_data['size'])) $x->size = intval($redir_data['size']);
if (isset($redir_data['time']) && $redir_data['time'] > 0) $x->date = intval($redir_data['time']);
$file_id = $x->insert();
if (isset($redir_data['type'])
&& ('text/html' === substr($redir_data['type'], 0, 9))
&& ($oembed_data = File_oembed::_getOembed($given_url))) {
File_oembed::saveNew($oembed_data, $file_id);
}
return $x;
}
function processNew($given_url, $notice_id) {
if (empty($given_url)) return -1; // error, no url to process
$given_url = File_redirection::_canonUrl($given_url);
if (empty($given_url)) return -1; // error, no url to process
$file = File::staticGet('url', $given_url);
if (empty($file)) {
$file_redir = File_redirection::staticGet('url', $given_url);
if (empty($file_redir)) {
$redir_data = File_redirection::where($given_url);
$redir_url = $redir_data['url'];
// TODO: max field length
if ($redir_url === $given_url || strlen($redir_url) > 255) {
$x = File::saveNew($redir_data, $given_url);
$file_id = $x->id;
} else {
$x = File::processNew($redir_url, $notice_id);
$file_id = $x->id;
File_redirection::saveNew($redir_data, $file_id, $given_url);
}
} else {
$file_id = $file_redir->file_id;
}
} else {
$file_id = $file->id;
$x = $file;
}
if (empty($x)) {
$x = File::staticGet($file_id);
if (empty($x)) {
throw new ServerException("Robin thinks something is impossible.");
}
}
File_to_post::processNew($file_id, $notice_id);
return $x;
}
function isRespectsQuota($user,$fileSize) {
if ($fileSize > common_config('attachments', 'file_quota')) {
return sprintf(_('No file may be larger than %d bytes ' .
'and the file you sent was %d bytes. Try to upload a smaller version.'),
common_config('attachments', 'file_quota'), $fileSize);
}
$query = "select sum(size) as total from file join file_to_post on file_to_post.file_id = file.id join notice on file_to_post.post_id = notice.id where profile_id = {$user->id} and file.url like '%/notice/%/file'";
$this->query($query);
$this->fetch();
$total = $this->total + $fileSize;
if ($total > common_config('attachments', 'user_quota')) {
return sprintf(_('A file this large would exceed your user quota of %d bytes.'), common_config('attachments', 'user_quota'));
}
$query .= ' AND EXTRACT(month FROM file.modified) = EXTRACT(month FROM now()) and EXTRACT(year FROM file.modified) = EXTRACT(year FROM now())';
$this->query($query);
$this->fetch();
$total = $this->total + $fileSize;
if ($total > common_config('attachments', 'monthly_quota')) {
return sprintf(_('A file this large would exceed your monthly quota of %d bytes.'), common_config('attachments', 'monthly_quota'));
}
return true;
}
// where should the file go?
static function filename($profile, $basename, $mimetype)
{
require_once 'MIME/Type/Extension.php';
$mte = new MIME_Type_Extension();
$ext = $mte->getExtension($mimetype);
$nickname = $profile->nickname;
$datestamp = strftime('%Y%m%dT%H%M%S', time());
$random = strtolower(common_confirmation_code(32));
return "$nickname-$datestamp-$random.$ext";
}
static function path($filename)
{
$dir = common_config('attachments', 'dir');
if ($dir[strlen($dir)-1] != '/') {
$dir .= '/';
}
return $dir . $filename;
}
static function url($filename)
{
$path = common_config('attachments', 'path');
if ($path[strlen($path)-1] != '/') {
$path .= '/';
}
if ($path[0] != '/') {
$path = '/'.$path;
}
$server = common_config('attachments', 'server');
if (empty($server)) {
$server = common_config('site', 'server');
}
// XXX: protocol
return 'http://'.$server.$path.$filename;
}
function isEnclosure(){
if(isset($this->filename)){
return true;
}
$notEnclosureMimeTypes = array('text/html','application/xhtml+xml');
$mimetype = strtolower($this->mimetype);
$semicolon = strpos($mimetype,';');
if($semicolon){
$mimetype = substr($mimetype,0,$semicolon);
}
return(! in_array($mimetype,$notEnclosureMimeTypes));
}
}