<?php
/*
 * Copyright (c) 2011 - OpenSLX GmbH, RZ Uni Freiburg
 * This program is free software distributed under the GPL version 2.
 * See http://gpl.openslx.org/
 *
 * If you have any feedback please consult http://feedback.openslx.org/ and
 * send your suggestions, praise, or complaints to feedback@openslx.org
 *
 * General information about OpenSLX can be found at http://openslx.org/
 */

class Ipxe_ResourceController extends Zend_Controller_Action
{

	private $thisSession;

	public function init()
	{
		$this->_helper->layout->disableLayout();
		$this->_helper->viewRenderer->setNoRender();

		$session = new Application_Model_Session();
		$sm = new Application_Model_SessionMapper();

		//TODO Error Messages if something failed
		$alphaID = $this->_request->getParam('alpha');

		if($alphaID != ""){
			$alphasessionID = $alphaID;
			$result = $sm->findBy(array('alphasessionID' => $alphasessionID),true);
			# print_a($result);
			$this->thisSession = $session->setOptions($result[0]);
			$this->thisSession->setID($result[0]['sessionID']);
		}
		
		$bootmenuntryID = $this->_request->getParam('bme');
		
		if(isset($bootmenuntryID)){
			$bootmenuentriesMapper = new Application_Model_BootMenuEntriesMapper();
			$bootmenuentry = new Application_Model_BootMenuEntries();
			$bootmenuentriesMapper->find($bootmenuntryID,$bootmenuentry);
	
			$sessionMapper = new Application_Model_SessionMapper();
			
			$this->thisSession->setBootmenuentryID($bootmenuntryID);
			$this->thisSession->setBootosID($bootmenuentry->getBootosID());
			$sessionMapper->save($this->thisSession);
		}	
	}
	
	public function getvesamenuAction(){
		if(is_dir("../resources/ipxe/")){
		
			header('Content-Type: application/octet-stream');
			$content_disp = ( ereg('MSIE ([0-9].[0-9]{1,2})', $_SERVER['HTTP_USER_AGENT']) == 'IE') ? 'inline' : 'attachment';
			header('Content-Disposition:  ' . $content_disp . '; filename="vesamenu.c32"');
			header('Pragma: no-cache');
			header('Expires: 0');

			chdir("../resources/ipxe/");

			header("Content-Length: ".filesize(getcwd()."/vesamenu.c32"));

			passthru( "cat vesamenu.c32");
		}else{
			header('HTTP/1.0 404 Not Found');
		}
		
	}
	
	public function getvesamenuconfigAction(){
  			
		 	$login = $this->_request->getParam('login');
		 	
		 	if($login){
				if(!isset($_SERVER['PHP_AUTH_USER']) || !isset($_SERVER['PHP_AUTH_PW'])){
					header('WWW-Authenticate: Basic realm=""');
					header('HTTP/1.0 401 Unauthorized');
	  				exit;
				}
		 	}
			header('Content-Type: text/html');
			$content_disp = ( ereg('MSIE ([0-9].[0-9]{1,2})', $_SERVER['HTTP_USER_AGENT']) == 'IE') ? 'inline' : 'attachment';
			header('Content-Disposition:  ' . $content_disp . '; filename="vesamenu.conf"');
			header('Pragma: no-cache');
			header('Expires: 0');
						
			$vesamenuView = new Zend_View();
			$vesamenuView->addScriptPath(APPLICATION_PATH.'/modules/ipxe/views/scripts/resource/');
			$vesamenuView->username = $_SERVER['PHP_AUTH_USER'];
  			$vesamenuView->password = $_SERVER['PHP_AUTH_PW'];
  			$vesamenuView->login = $login;
			$vesamenuView->host = $_SERVER['HTTP_HOST'];
		
			$_SESSION['alphasessionID'] = $this->thisSession->getAlphasessionID();
			// Request Bootmenu
			$pbsFilter = new Pbs_Filter();
			$bootmenuID = $pbsFilter->evaluate();

			if($bootmenuID != null){
				$vesamenuView->alphaID = $this->thisSession->getAlphasessionID();

				$bootmenuMapper = new Application_Model_BootMenuMapper();
				$bm = $bootmenuMapper->find($bootmenuID);
				$vesamenuView->title = $bm->getTitle();
//				$this->view->startcounter = $bm->getStartcounter();

				$bootmenuentriesMapper = new Application_Model_BootMenuEntriesMapper();
				$res = $bootmenuentriesMapper->findBy(array('bootmenuID' => $bootmenuID),false);
				$vesamenuView->bmelist = $res;
					
			}
			else{

				 $vesamenuView->error = "You have no BootMenu.";
			}
			
			$vesamenu = $vesamenuView->render('getvesamenu.phtml');
		
			header("Content-Length: ".(strlen($vesamenu)));
			
			echo $vesamenu;
	}
	
	public function getkernelAction(){

		$bootosID = $this->thisSession->getBootosID();

		if(is_dir("../resources/bootos/$bootosID/kernel/") && is_numeric($bootosID)){

			header('Content-Type: application/x-gzip');
			$content_disp = ( ereg('MSIE ([0-9].[0-9]{1,2})', $_SERVER['HTTP_USER_AGENT']) == 'IE') ? 'inline' : 'attachment';
			header('Content-Disposition:  ' . $content_disp . '; filename="kernel"');
			header('Pragma: no-cache');
			header('Expires: 0');

			// create the gzipped tarfile.
			chdir("../resources/bootos/$bootosID/kernel/");
			$kernelname = array_pop(scandir("./"));

			header("Content-Length: ".filesize(getcwd()."/".$kernelname));

			passthru( "cat ". $kernelname);
		}else{
			header('HTTP/1.0 404 Not Found');
		}
	}
	
	public function getinitramfsAction()
	{

		$bootosID = $this->thisSession->getBootosID();

		if(is_dir("../resources/bootos/$bootosID/initramfs/") && is_numeric($bootosID)){

			header('Content-Type: application/x-gzip');
			$content_disp = ( ereg('MSIE ([0-9].[0-9]{1,2})', $_SERVER['HTTP_USER_AGENT']) == 'IE') ? 'inline' : 'attachment';
			header('Content-Disposition:  ' . $content_disp . '; filename="initramfs"');
			header('Pragma: no-cache');
			header('Expires: 0');

			// create file.
			chdir("../resources/bootos/$bootosID/initramfs/");
			$initname = array_pop(scandir("./"));

			header("Content-Length: ".filesize(getcwd()."/".$initname));

			passthru( "cat ".$initname);
		}else{
			header('HTTP/1.0 404 Not Found');
		}
	}
	

}