<?


  session_start();
  include_once "include/form_process.php";
  include_once "include/misc.php";
  include_once "include/inout.php";
  include_once "include/log.php";
  include_once "include/class.AsiyaResults.php";
  
  // Delete the browser cache
  MISCnocache();

  $uploadresult="";
  $uploadfilenameslist="";
  $uploadtype = "";
  
  /******************************************************************************/
  
  /* check the posted data size */
  $posteddata = INOUT_check_upload_size();
  if ( $posteddata != "" ){
    $uploadresult = $posteddata;
  }
  else{
	  /* check no session expiration */
	  if ( LOGcheck_session_expiration() ) {
		 $uploadresult=DOCLEAR;
	  }
  }
  
  $action = isset($_REQUEST["formaction"]) ? stripslashes($_REQUEST["formaction"]) : "";

  //LOG
  // sets the testname
  $_SESSION[ASIYA]["testname"]=LOGtestname();
  LOGaccess("ASIYA_UPLOAD", "\t$action");

  /******************************************* UPLOAD FILES **/
  if ( strcmp(DOUPLOAD,$action)==0 ){
  
	   $uploadtype = isset($_REQUEST["uploadtype"])? stripslashes($_REQUEST["uploadtype"]) : "";
	   
  		$ar=(isset($_SESSION[ASIYA][$uploadtype]))? explode ( "#" ,  $_SESSION[ASIYA][$uploadtype] ) : array() ;

  		if ( count($ar) >= 5 ){
	  		$uploadresult = "WARN= Number of files exceed."; 
	  	}
	  	else{
			
			$result = doUpload ( "asiyafilename", $uploadtype );

			// if correctly uploaded
			if ( strcmp( "UPLOADED" , substr( $result, 0, strlen("UPLOADED") )) == 0 ){
				// delete the system if previously uploaded
				$uploadedfile = substr($result,strlen("UPLOADED="));
				updateAsiyaSession($uploadtype, $uploadedfile);
				$uploadresult = "success"; 
			} 
			else {
				$uploadresult = $result;
			}
		}
		
		$uploadfilenameslist = $_SESSION[ASIYA][$uploadtype];
  }
  
  
  if ( strcmp(DOREMOVE,$action)==0 ){
  
  	   $uploadtype = isset($_REQUEST["uploadtype"])? stripslashes($_REQUEST["uploadtype"]) : "";
	   $uploadfilenameslist = doRemove ( $uploadtype );
		$uploadresult = "success"; 
  }


function doRemove( $uploadtype ){

		$artypes=array("sys","ref","src");

  		if (isset($_REQUEST["filetoremove"]) && in_array($uploadtype,$artypes) ){

			$filetoremove=stripslashes($_REQUEST["filetoremove"]);
			
			#check that filetoremove is not present in the other arrays
			$itis = false;
			foreach ($artypes as $mytype ){
				if ( $mytype !== $uploadtype ){
  					$ar=(isset($_SESSION[ASIYA][$mytype]))? explode ( "#" ,  $_SESSION[ASIYA][$mytype] ) : array() ;
					if ( in_array ( $filetoremove, $ar ) ){
						$itis = true;
					}
				}
			}
			//if not present, then delete
			if ( !($itis)){
				MISCdelete_files( $filetoremove, "data");
			}

			//update asiya session
			$ar=(isset($_SESSION[ASIYA][$uploadtype]))? explode ( "#" ,  $_SESSION[ASIYA][$uploadtype] ) : array() ;
			foreach (array_keys($ar, $filetoremove) as $key) {
	 			unset($ar[$key]);
			}
			// save new system uploadedfile	
			$_SESSION[ASIYA][$uploadtype] = join("#", $ar);
			return $_SESSION[ASIYA][$uploadtype];
		}
		
		return "";
}

/**
upload the file inputfile according to the uploadtype
*/
function doUpload ( $inputfile , $uploadtype ){

	$time = time();

	// check if the folder exists
	INOUT_create_Asiya_data_location();

	$result = MISCupload_file ( $inputfile, TESTPATH."/".LOGtestname()."/data/", LOGtestname() );

	$time = MISC_elapsedtime($time);
	LOGaccess("ASIYAUPLOAD", "\telapsed time: $time; $uploadtype:$result");

	return $result;
	
}
  

function updateAsiyaSession( $type, $uploadedfile ){

	if ( $type === "src" ) {
			$_SESSION[ASIYA][$type] = $uploadedfile;
	}
	else{
		if ( (isset($_SESSION[ASIYA][$type])) && (strlen($_SESSION[ASIYA][$type])>0) ){
	
			$ar = split( "#", $_SESSION[ASIYA][$type] );
		
			if ( in_array($uploadedfile, $ar ) ){ // does exist in the array
				#delete previous version
				foreach (array_keys($ar, $uploadedfile) as $key) {
		 			unset($ar[$key]);
				}
			}
			$ar[] = $uploadedfile;
			// save new system uploadedfile	
			$_SESSION[ASIYA][$type] = join("#", $ar);
		}
		else{
			$_SESSION[ASIYA][$type] = $uploadedfile;
		}
	}
}

?>


<html><body>

	<form method="post" name="uploadform" id="uploadform" action="asiya_upload.php" enctype="multipart/form-data">
	<input type="hidden" name="formaction" id="formaction" value=""/>
	<input type="hidden" name="uploadtype" id="uploadtype" value=""/>
	<input type="hidden" name="filetoremove" id="filetoremove" value=""/>
	<input type="hidden" name="MAX_FILE_SIZE" value="MAXSIZE" />
	<input type="file" id="asiyafilename" name="asiyafilename" onchange="this.form.submit()">  
	</form>
<div id="submissionresult"><? echo $uploadresult;?></div>
<div id="submissiontype"><? echo $uploadtype;?></div>
<div id="submissionfilenames"><? echo $uploadfilenameslist;?></div>
</body>
</html>