forked from GNUsocial/gnu-social
06d4cecf7f
The exception thrown from MediaFile will be caught and simply result in no thumbnail at all right now. In the future we might use a catch-all and have a "cannot generate preview"-icon or something. VideoThumbnails requires php5-ffmpeg and php5-gd.
495 lines
19 KiB
PHP
495 lines
19 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('GNUSOCIAL')) { exit(1); }
|
|
|
|
/**
|
|
* Table Definition for file
|
|
*/
|
|
class File extends Managed_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 $modified; // timestamp() not_null default_CURRENT_TIMESTAMP
|
|
|
|
/* the code above is auto generated do not remove the tag below */
|
|
###END_AUTOCODE
|
|
|
|
public static function schemaDef()
|
|
{
|
|
return array(
|
|
'fields' => array(
|
|
'id' => array('type' => 'serial', 'not null' => true),
|
|
'url' => array('type' => 'varchar', 'length' => 255, 'description' => 'destination URL after following redirections'),
|
|
'mimetype' => array('type' => 'varchar', 'length' => 50, 'description' => 'mime type of resource'),
|
|
'size' => array('type' => 'int', 'description' => 'size of resource when available'),
|
|
'title' => array('type' => 'varchar', 'length' => 255, 'description' => 'title of resource when available'),
|
|
'date' => array('type' => 'int', 'description' => 'date of resource according to http query'),
|
|
'protected' => array('type' => 'int', 'description' => 'true when URL is private (needs login)'),
|
|
'filename' => array('type' => 'varchar', 'length' => 255, 'description' => 'if a local file, name of the file'),
|
|
|
|
'modified' => array('type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'),
|
|
),
|
|
'primary key' => array('id'),
|
|
'unique keys' => array(
|
|
'file_url_key' => array('url'),
|
|
),
|
|
);
|
|
}
|
|
|
|
function isProtected($url) {
|
|
return 'http://www.facebook.com/login.php' === $url;
|
|
}
|
|
|
|
/**
|
|
* Save a new file record.
|
|
*
|
|
* @param array $redir_data lookup data eg from File_redirection::where()
|
|
* @param string $given_url
|
|
* @return File
|
|
*/
|
|
function saveNew(array $redir_data, $given_url) {
|
|
|
|
// I don't know why we have to keep doing this but I'm adding this last check to avoid
|
|
// uniqueness bugs.
|
|
|
|
$x = File::getKV('url', $given_url);
|
|
|
|
if (!$x instanceof File) {
|
|
$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();
|
|
}
|
|
|
|
$x->saveOembed($redir_data, $given_url);
|
|
return $x;
|
|
}
|
|
|
|
/**
|
|
* Save embedding information for this file, if applicable.
|
|
*
|
|
* Normally this won't need to be called manually, as File::saveNew()
|
|
* takes care of it.
|
|
*
|
|
* @param array $redir_data lookup data eg from File_redirection::where()
|
|
* @param string $given_url
|
|
* @return boolean success
|
|
*/
|
|
public function saveOembed(array $redir_data, $given_url)
|
|
{
|
|
if (isset($redir_data['type'])
|
|
&& (('text/html' === substr($redir_data['type'], 0, 9)
|
|
|| 'application/xhtml+xml' === substr($redir_data['type'], 0, 21)))) {
|
|
try {
|
|
$oembed_data = File_oembed::_getOembed($given_url);
|
|
} catch (Exception $e) {
|
|
return false;
|
|
}
|
|
if ($oembed_data === false) {
|
|
return false;
|
|
}
|
|
$fo = File_oembed::getKV('file_id', $this->id);
|
|
|
|
if ($fo instanceof File_oembed) {
|
|
common_log(LOG_WARNING, "Strangely, a File_oembed object exists for new file $file_id", __FILE__);
|
|
} else {
|
|
File_oembed::saveNew($oembed_data, $this->id);
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Go look at a URL and possibly save data about it if it's new:
|
|
* - follow redirect chains and store them in file_redirection
|
|
* - look up oEmbed data and save it in file_oembed
|
|
* - if a thumbnail is available, save it in file_thumbnail
|
|
* - save file record with basic info
|
|
* - optionally save a file_to_post record
|
|
* - return the File object with the full reference
|
|
*
|
|
* @fixme refactor this mess, it's gotten pretty scary.
|
|
* @param string $given_url the URL we're looking at
|
|
* @param int $notice_id (optional)
|
|
* @param bool $followRedirects defaults to true
|
|
*
|
|
* @return mixed File on success, -1 on some errors
|
|
*
|
|
* @throws ServerException on some errors
|
|
*/
|
|
public function processNew($given_url, $notice_id=null, $followRedirects=true) {
|
|
if (empty($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::getKV('url', $given_url);
|
|
if (empty($file)) {
|
|
$file_redir = File_redirection::getKV('url', $given_url);
|
|
if (empty($file_redir)) {
|
|
// @fixme for new URLs this also looks up non-redirect data
|
|
// such as target content type, size, etc, which we need
|
|
// for File::saveNew(); so we call it even if not following
|
|
// new redirects.
|
|
$redir_data = File_redirection::where($given_url);
|
|
if (is_array($redir_data)) {
|
|
$redir_url = $redir_data['url'];
|
|
} elseif (is_string($redir_data)) {
|
|
$redir_url = $redir_data;
|
|
$redir_data = array();
|
|
} else {
|
|
// TRANS: Server exception thrown when a URL cannot be processed.
|
|
throw new ServerException(sprintf(_("Cannot process URL '%s'"), $given_url));
|
|
}
|
|
// TODO: max field length
|
|
if ($redir_url === $given_url || strlen($redir_url) > 255 || !$followRedirects) {
|
|
$x = File::saveNew($redir_data, $given_url);
|
|
$file_id = $x->id;
|
|
} else {
|
|
// This seems kind of messed up... for now skipping this part
|
|
// if we're already under a redirect, so we don't go into
|
|
// horrible infinite loops if we've been given an unstable
|
|
// redirect (where the final destination of the first request
|
|
// doesn't match what we get when we ask for it again).
|
|
//
|
|
// Seen in the wild with clojure.org, which redirects through
|
|
// wikispaces for auth and appends session data in the URL params.
|
|
$x = File::processNew($redir_url, $notice_id, /*followRedirects*/false);
|
|
$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::getKV('id', $file_id);
|
|
if (empty($x)) {
|
|
// @todo FIXME: This could possibly be a clearer message :)
|
|
// TRANS: Server exception thrown when... Robin thinks something is impossible!
|
|
throw new ServerException(_('Robin thinks something is impossible.'));
|
|
}
|
|
}
|
|
|
|
if (!empty($notice_id)) {
|
|
File_to_post::processNew($file_id, $notice_id);
|
|
}
|
|
return $x;
|
|
}
|
|
|
|
public static function respectsQuota(Profile $scoped, $fileSize) {
|
|
if ($fileSize > common_config('attachments', 'file_quota')) {
|
|
// TRANS: Message used to be inserted as %2$s in the text "No file may
|
|
// TRANS: be larger than %1$d byte and the file you sent was %2$s.".
|
|
// TRANS: %1$d is the number of bytes of an uploaded file.
|
|
$fileSizeText = sprintf(_m('%1$d byte','%1$d bytes',$fileSize),$fileSize);
|
|
|
|
$fileQuota = common_config('attachments', 'file_quota');
|
|
// TRANS: Message given if an upload is larger than the configured maximum.
|
|
// TRANS: %1$d (used for plural) is the byte limit for uploads,
|
|
// TRANS: %2$s is the proper form of "n bytes". This is the only ways to have
|
|
// TRANS: gettext support multiple plurals in the same message, unfortunately...
|
|
throw new ClientException(
|
|
sprintf(_m('No file may be larger than %1$d byte and the file you sent was %2$s. Try to upload a smaller version.',
|
|
'No file may be larger than %1$d bytes and the file you sent was %2$s. Try to upload a smaller version.',
|
|
$fileQuota),
|
|
$fileQuota, $fileSizeText));
|
|
}
|
|
|
|
$file = new File;
|
|
|
|
$query = "select sum(size) as total from file join file_to_post on file_to_post.file_id = file.id join notice on file_to_post.post_id = notice.id where profile_id = {$scoped->id} and file.url like '%/notice/%/file'";
|
|
$file->query($query);
|
|
$file->fetch();
|
|
$total = $file->total + $fileSize;
|
|
if ($total > common_config('attachments', 'user_quota')) {
|
|
// TRANS: Message given if an upload would exceed user quota.
|
|
// TRANS: %d (number) is the user quota in bytes and is used for plural.
|
|
throw new ClientException(
|
|
sprintf(_m('A file this large would exceed your user quota of %d byte.',
|
|
'A file this large would exceed your user quota of %d bytes.',
|
|
common_config('attachments', 'user_quota')),
|
|
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())';
|
|
$file->query($query);
|
|
$file->fetch();
|
|
$total = $file->total + $fileSize;
|
|
if ($total > common_config('attachments', 'monthly_quota')) {
|
|
// TRANS: Message given id an upload would exceed a user's monthly quota.
|
|
// TRANS: $d (number) is the monthly user quota in bytes and is used for plural.
|
|
throw new ClientException(
|
|
sprintf(_m('A file this large would exceed your monthly quota of %d byte.',
|
|
'A file this large would exceed your monthly quota of %d bytes.',
|
|
common_config('attachments', 'monthly_quota')),
|
|
common_config('attachments', 'monthly_quota')));
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// where should the file go?
|
|
|
|
static function filename($profile, $basename, $mimetype)
|
|
{
|
|
try {
|
|
$ext = common_supported_mime_to_ext($mimetype);
|
|
} catch (Exception $e) {
|
|
// We don't support this mimetype, but let's guess the extension
|
|
$ext = substr(strrchr($mimetype, '/'), 1);
|
|
}
|
|
|
|
$nickname = $profile->nickname;
|
|
$datestamp = strftime('%Y%m%dT%H%M%S', time());
|
|
$random = strtolower(common_confirmation_code(32));
|
|
return "$nickname-$datestamp-$random.$ext";
|
|
}
|
|
|
|
/**
|
|
* Validation for as-saved base filenames
|
|
*/
|
|
static function validFilename($filename)
|
|
{
|
|
return preg_match('/^[A-Za-z0-9._-]+$/', $filename);
|
|
}
|
|
|
|
/**
|
|
* @throws ClientException on invalid filename
|
|
*/
|
|
static function path($filename)
|
|
{
|
|
if (!self::validFilename($filename)) {
|
|
// TRANS: Client exception thrown if a file upload does not have a valid name.
|
|
throw new ClientException(_("Invalid filename."));
|
|
}
|
|
$dir = common_config('attachments', 'dir');
|
|
|
|
if ($dir[strlen($dir)-1] != '/') {
|
|
$dir .= '/';
|
|
}
|
|
|
|
return $dir . $filename;
|
|
}
|
|
|
|
static function url($filename)
|
|
{
|
|
if (!self::validFilename($filename)) {
|
|
// TRANS: Client exception thrown if a file upload does not have a valid name.
|
|
throw new ClientException(_("Invalid filename."));
|
|
}
|
|
|
|
if (common_config('site','private')) {
|
|
|
|
return common_local_url('getfile',
|
|
array('filename' => $filename));
|
|
|
|
}
|
|
|
|
if (StatusNet::isHTTPS()) {
|
|
|
|
$sslserver = common_config('attachments', 'sslserver');
|
|
|
|
if (empty($sslserver)) {
|
|
// XXX: this assumes that background dir == site dir + /file/
|
|
// not true if there's another server
|
|
if (is_string(common_config('site', 'sslserver')) &&
|
|
mb_strlen(common_config('site', 'sslserver')) > 0) {
|
|
$server = common_config('site', 'sslserver');
|
|
} else if (common_config('site', 'server')) {
|
|
$server = common_config('site', 'server');
|
|
}
|
|
$path = common_config('site', 'path') . '/file/';
|
|
} else {
|
|
$server = $sslserver;
|
|
$path = common_config('attachments', 'sslpath');
|
|
if (empty($path)) {
|
|
$path = common_config('attachments', 'path');
|
|
}
|
|
}
|
|
|
|
$protocol = 'https';
|
|
} else {
|
|
$path = common_config('attachments', 'path');
|
|
$server = common_config('attachments', 'server');
|
|
|
|
if (empty($server)) {
|
|
$server = common_config('site', 'server');
|
|
}
|
|
|
|
$ssl = common_config('attachments', 'ssl');
|
|
|
|
$protocol = ($ssl) ? 'https' : 'http';
|
|
}
|
|
|
|
if ($path[strlen($path)-1] != '/') {
|
|
$path .= '/';
|
|
}
|
|
|
|
if ($path[0] != '/') {
|
|
$path = '/'.$path;
|
|
}
|
|
|
|
return $protocol.'://'.$server.$path.$filename;
|
|
}
|
|
|
|
function getEnclosure(){
|
|
$enclosure = (object) array();
|
|
$enclosure->title=$this->title;
|
|
$enclosure->url=$this->url;
|
|
$enclosure->title=$this->title;
|
|
$enclosure->date=$this->date;
|
|
$enclosure->modified=$this->modified;
|
|
$enclosure->size=$this->size;
|
|
$enclosure->mimetype=$this->mimetype;
|
|
|
|
if(! isset($this->filename)){
|
|
$notEnclosureMimeTypes = array(null,'text/html','application/xhtml+xml');
|
|
$mimetype = $this->mimetype;
|
|
if($mimetype != null){
|
|
$mimetype = strtolower($this->mimetype);
|
|
}
|
|
$semicolon = strpos($mimetype,';');
|
|
if($semicolon){
|
|
$mimetype = substr($mimetype,0,$semicolon);
|
|
}
|
|
if(in_array($mimetype,$notEnclosureMimeTypes)){
|
|
// Never treat generic HTML links as an enclosure type!
|
|
// But if we have oEmbed info, we'll consider it golden.
|
|
$oembed = File_oembed::getKV('file_id',$this->id);
|
|
if($oembed && in_array($oembed->type, array('photo', 'video'))){
|
|
$mimetype = strtolower($oembed->mimetype);
|
|
$semicolon = strpos($mimetype,';');
|
|
if($semicolon){
|
|
$mimetype = substr($mimetype,0,$semicolon);
|
|
}
|
|
// @fixme uncertain if this is right.
|
|
// we want to expose things like YouTube videos as
|
|
// viewable attachments, but don't expose them as
|
|
// downloadable enclosures.....?
|
|
//if (in_array($mimetype, $notEnclosureMimeTypes)) {
|
|
// return false;
|
|
//} else {
|
|
if($oembed->mimetype) $enclosure->mimetype=$oembed->mimetype;
|
|
if($oembed->url) $enclosure->url=$oembed->url;
|
|
if($oembed->title) $enclosure->title=$oembed->title;
|
|
if($oembed->modified) $enclosure->modified=$oembed->modified;
|
|
unset($oembed->size);
|
|
//}
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
return $enclosure;
|
|
}
|
|
|
|
// quick back-compat hack, since there's still code using this
|
|
function isEnclosure()
|
|
{
|
|
$enclosure = $this->getEnclosure();
|
|
return !empty($enclosure);
|
|
}
|
|
|
|
/**
|
|
* Get the attachment's thumbnail record, if any.
|
|
*
|
|
* @return File_thumbnail
|
|
*/
|
|
function getThumbnail()
|
|
{
|
|
return File_thumbnail::getKV('file_id', $this->id);
|
|
}
|
|
|
|
public function getPath()
|
|
{
|
|
return self::path($this->filename);
|
|
}
|
|
|
|
/**
|
|
* Blow the cache of notices that link to this URL
|
|
*
|
|
* @param boolean $last Whether to blow the "last" cache too
|
|
*
|
|
* @return void
|
|
*/
|
|
|
|
function blowCache($last=false)
|
|
{
|
|
self::blow('file:notice-ids:%s', $this->url);
|
|
if ($last) {
|
|
self::blow('file:notice-ids:%s;last', $this->url);
|
|
}
|
|
self::blow('file:notice-count:%d', $this->id);
|
|
}
|
|
|
|
/**
|
|
* Stream of notices linking to this URL
|
|
*
|
|
* @param integer $offset Offset to show; default is 0
|
|
* @param integer $limit Limit of notices to show
|
|
* @param integer $since_id Since this notice
|
|
* @param integer $max_id Before this notice
|
|
*
|
|
* @return array ids of notices that link to this file
|
|
*/
|
|
|
|
function stream($offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $max_id=0)
|
|
{
|
|
$stream = new FileNoticeStream($this);
|
|
return $stream->getNotices($offset, $limit, $since_id, $max_id);
|
|
}
|
|
|
|
function noticeCount()
|
|
{
|
|
$cacheKey = sprintf('file:notice-count:%d', $this->id);
|
|
|
|
$count = self::cacheGet($cacheKey);
|
|
|
|
if ($count === false) {
|
|
|
|
$f2p = new File_to_post();
|
|
|
|
$f2p->file_id = $this->id;
|
|
|
|
$count = $f2p->count();
|
|
|
|
self::cacheSet($cacheKey, $count);
|
|
}
|
|
|
|
return $count;
|
|
}
|
|
}
|