uploads.php

<?php
#Uploads accepts file fragments, identified by a file_id and inserts the file in an appropriate location where it can be retrieved by s3db and linked in a statement

#Helena F Deus, Dec 1, 2006
ini_set('display_errors',0);
	if($_REQUEST['su3d'])
	ini_set('display_errors',1);

	if(file_exists('config.inc.php'))
	{
		include('config.inc.php');
	}
	else
	{
		Header('Location: index.php');
		exit;
	}

$xml = $_REQUEST['file'];
$format=$_REQUEST['format'];
#Determine if XML is a URL or a string
if (ereg('http://.*', $xml))
{

$handle = fopen ($xml, 'rb');
$xml = stream_get_contents($handle);
fclose($handle);
}
$xml = simplexml_load_string($xml);  #this will read the xml and output the result on an array

#Get the key, send it to check validity, if key is missing check for filekey

$key = $xml->key; 
if ($key == '') $key = $_REQUEST['key'];

if ($key != '') 
{
	#Ckeck for filename and generate the filekey
	#include_once('core.keyheader.php');
	include_once('core.header.php');
	include_once('s3dbcore/acceptFile.php');
	
	#if there is no data besides the key, ask for a filename and filesize
	$filename = $_REQUEST['filename'];
	if($filename == '') $filename = $xml -> filename;
	$filesize = $_REQUEST['filesize'];
	if($filesize == '') $filesize = $xml -> filesize;

	if ($filename=='')
	{echo formatReturn('3','Failed to create filekey.	Please provide filename and filesize. Please refer to http://s3db.org for documentation', $_REQUEST['format'],'');
	exit;
	
	}
	#If a file_id is not provided, create one
	elseif($file_id == '')
			{
		$filekey = generateAFilekey(compact('filename', 'filesize', 'db', 'user_id'));
		
		if ($filekey)
		{
		
		$display .= sprintf ('%s', "<?xml version=\"1.0\"?>");
		$display .= sprintf ('%s',  "<S3QL>");
		$display .= sprintf ('%s', "<filekey>".$filekey."</filekey><BR>");
		$display .= sprintf('%s', "<message>This filekey is to be used instead of key for file transfer, it will expire in 24h</message><BR>");
		$display .= sprintf('%s', "<message>Break the file in base64 encoded fragments, replacing the character '+' with it's URL equivalent '%2b'</message><BR>");
		$display .= sprintf ('%s', "</S3QL>");
		#echo $display;
		echo formatReturn('0',"This filekey is to be used instead of key for file transfer, it will expire in 24h. Break the file in base64 encoded fragments, replacing the character '+' with it's URL equivalent '%2b'",$format,array('filekey'=>$filekey));
		}
				#else echo "<report>Failed to create filekey</report>";
				else { echo formatReturn('2',"Failed to create filekey",$format,'');}
		
		}

	


}
else #if key is empty, check for filekey
{
$filekey = $xml->filekey;
	
	if ($filekey == '') $filekey = $_REQUEST['filekey'];
	
	if ($filekey!='')
	{
	include_once('core.filekeyheader.php');
	
	#add a form to the page such that it accepts both POST and GET
	#echo '<form name="file" method="POST">';
	#echo '<input type="hidden" name="query"> <!-- this form is for programming environments that support sending POST -->';
	#echo '</form>';
	
	#echo receiveFileFragments(compact('filekey', 'db'));
	echo formatReturn('0',receiveFileFragments(compact('filekey', 'db')), $format,'');
	
	exit;
	}
	else 
	{	include_once (S3DB_SERVER_ROOT.'/s3dbcore/callback.php');
	include_once (S3DB_SERVER_ROOT.'/s3dbcore/display.php');
		echo formatReturn('3',"Filekey is missing.",$format,''); exit;
	
	}
}
	

?>