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executable file 192 lines (157 sloc) 5.854 kb
<?php /*
ocPortal
Copyright (c) ocProducts, 2004-2012
See text/EN/licence.txt for full licencing information.
NOTE TO PROGRAMMERS:
Do not edit this file. If you need to make changes, save your changed file to the appropriate *_custom folder
**** If you ignore this advice, then your website upgrades (e.g. for bug fixes) will likely kill your changes ****
*/
/**
* @license http://opensource.org/licenses/cpal_1.0 Common Public Attribution License
* @copyright ocProducts Ltd
* @package core
*/
/**
* Function to clear old uploads, that are older then 2 days
*/
function clear_old_uploads()
{
//get the unix timestamp corresonding to the two days ago condition
$two_days_ago=strtotime('-2 days');
//get the incoming uploads that are older than two days
$rows=$GLOBALS['SITE_DB']->query('SELECT * FROM '.$GLOBALS['SITE_DB']->get_table_prefix().'incoming_uploads WHERE i_date_and_time<'.strval($two_days_ago));
//if there are older uploads records found start processing them
if(count($rows)>0)
{
//browse through files
foreach($rows as $upload)
{
if(!empty($upload['i_save_url']))
{
if(file_exists($upload['i_save_url']))
{
//delete file if it exists
@unlink($upload['i_save_url']);
}
//Note: it is possible some db records to be left without corresponding files. So we need to clean them too.
$GLOBALS['SITE_DB']->query_delete('incoming_uploads',array('id'=>$upload['id']),'',1);
}
}
}
}
/**
* Function to process the file upload process
*/
function incoming_uploads_script()
{
$is_uploaded=false;
if (!file_exists(get_custom_file_base().'/uploads/incoming'))
{
@mkdir(get_custom_file_base().'/uploads/incoming',0777);
fix_permissions(get_custom_file_base().'/uploads/incoming',0777);
sync_file(get_custom_file_base().'/uploads/incoming');
}
$savename = 'uploads/incoming/'.uniqid('').'.dat';
if (array_key_exists('file',$_FILES)) // nice multi-part upload
{
if (is_uploaded_file($_FILES['file']['tmp_name']))
{
$is_uploaded=true;
} else
{
header('HTTP/1.1 500 File Upload Error');
@error_log('ocPortal: '.do_lang('ERROR_UPLOADING_'.strval($_FILES['file']['error'])),0);
exit('ocPortal: '.do_lang('ERROR_UPLOADING_'.strval($_FILES['file']['error'])));
}
$name=$_FILES['file']['name'];
if ($is_uploaded)// && (file_exists($_FILES['file']['tmp_name']))) // file_exists check after is_uploaded_file to avoid race conditions. >>> Actually, open_basedir might block it
{
@move_uploaded_file($_FILES['file']['tmp_name'],get_custom_file_base().'/'.$savename) OR intelligent_write_error(get_custom_file_base().'/'.$savename);
}
} elseif (post_param('name','')!='') // less nice raw post, which most HTML5 browsers have to do
{
header("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); // Date in the past
$name=post_param('name');
// Read binary input stream and append it to temp file
$in=fopen('php://input','rb');
if ($in!==false)
{
// Open temp file
$out=fopen($savename,'wb');
if ($out!==false)
{
$is_uploaded=true;
do
{
$buff=fread($in,4096);
fwrite($out,$buff);
}
while (!feof($out));
fclose($out);
}
fclose($in);
}
}
if ($is_uploaded)
{
$max_length = 255;
$field_type_test = $GLOBALS['SITE_DB']->query_value('db_meta','m_type',array('m_name'=>'i_orig_filename'));
if ($field_type_test == 'ID_TEXT') $max_length = 80; // Legacy
$name = substr($name,max(0,strlen($name)-$max_length));
header('Content-type: text/plain; charset='.get_charset());
require_code('files');
if (get_param_integer('base64',0)==1)
{
$new=base64_decode(file_get_contents(get_custom_file_base().'/'.$savename));
$myfile=@fopen(get_custom_file_base().'/'.$savename,'wb') OR intelligent_write_error(get_custom_file_base().'/'.$savename);
fwrite($myfile,$new);
fclose($myfile);
}
fix_permissions(get_custom_file_base().'/'.$savename);
sync_file(get_custom_file_base().'/'.$savename);
$member_id=get_member();
$file_db_id=$GLOBALS['SITE_DB']->query_insert('incoming_uploads',array('i_submitter'=>$member_id,'i_date_and_time'=>time(),'i_orig_filename'=>$name,'i_save_url'=>$savename),true,false);
// File is valid, and was successfully uploaded. Now see if there is any metadata to surface from the file.
require_code('images');
$outa=array();
if (is_image($name))
{
require_code('exif');
$outa+=get_exif_data(get_custom_file_base().'/'.$savename);
}
$outa['upload_id']=strval($file_db_id);
$outa['upload_name']=$name;
$outa['upload_savename']=$savename;
@ini_set('ocproducts.xss_detect','0');
$outstr='{';
$done=0;
foreach ($outa as $key=>$val) // Put out data as JSON
{
if (is_float($val)) $val=float_to_raw_string($val);
elseif (is_integer($val)) $val=strval($val);
if ((is_string($val)) && ($val!=''))
{
$val=str_replace(chr(0),'',$val);
if ($done!=0) $outstr.=', ';
$outstr.='"'.str_replace(chr(10),'\n',addcslashes($key,"\\\'\"&\n\r<>")).'": "'.str_replace(chr(10),'\n',addcslashes($val,"\\\'\"&\n\r<>")).'"';
$done++;
}
}
$outstr.='}';
echo $outstr;
} else
{
//header('Content-type: text/plain'); @print('No file ('.serialize($_FILES).')');
header('HTTP/1.1 500 File Upload Error');
// Test harness
$title=get_page_title('UPLOAD');
$fields=new ocp_tempcode();
require_code('form_templates');
$fields->attach(form_input_upload(do_lang_tempcode('FILE'),'','file',true,NULL,NULL,false));
$hidden=new ocp_tempcode();
$out2=globalise(do_template('FORM_SCREEN',array('TITLE'=>$title,'SUBMIT_NAME'=>do_lang_tempcode('PROCEED'),'TEXT'=>'','HIDDEN'=>$hidden,'URL'=>find_script('incoming_uploads',true),'FIELDS'=>$fields)),NULL,'',true);
$out2->evaluate_echo();
}
exit();
}
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