<?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 $session;

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

		$this->session = new Application_Model_Session();
		$sessionMapper = new Application_Model_SessionMapper();

		//TODO Error Messages if something failed
		$alphaID = $this->_request->getParam('alpha');
		
		if(isset($alphaID)){
			$alphasessionID = $alphaID;
			$result = $sessionMapper->findBy(array('alphasessionID' => $alphasessionID),true);
			# print_a($result);
			$this->session = $this->session->setOptions($result[0]);
			$this->session->setID($result[0]['sessionID']);
		}
		
		$bootmenuntryID = $this->_request->getParam('bme');
		
		if(isset($bootmenuntryID) && isset($this->session)){
			//TODO check if allowed
			$bootmenuentriesMapper = new Application_Model_BootMenuEntriesMapper();
			$bootmenuentry = new Application_Model_BootMenuEntries();
			$bootmenuentriesMapper->find($bootmenuntryID,$bootmenuentry);
				
			$this->session->setBootmenuentryID($bootmenuntryID);
			$this->session->setBootosID($bootmenuentry->getBootosID());
			$sessionMapper->save($this->session);
		}	
	}
	
	public function getvesamenuconfigAction(){
  			
		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->host = $_SERVER['HTTP_HOST'];
		$vesamenuView->error = $this->_request->getParam('error');

		if (isset($this->session)){
			$vesamenuView->alphaID = $this->session->getAlphasessionID();
			
			if ($this->session->getPersonID() != null){
				$personMapper = new Application_Model_PersonMapper();
				$person = $personMapper->find($this->session->getPersonID());
				$vesamenuView->name = $person->getName();
				$vesamenuView->firstname = $person->getFirstname();
				$vesamenuView->loggedin = true;
			}else{
				$vesamenuView->loggedin = false;
			}
			
			if($this->session->getMembershipID() != null){
				$groupMapper = new Application_Model_GroupMapper();
				$membershipMapper = new Application_Model_MembershipMapper();
				$membership = $membershipMapper->find($this->session->getMembershipID());
				$vesamenuView->group = $groupMapper->find($membership->getGroupID())->getTitle();
			}
			
			if ($this->session->getPersonID() != null && $this->session->getMembershipID() == null ){
				$groupMapper = new Application_Model_GroupMapper();
				$roleMapper = new Application_Model_RoleMapper();
				$membershipMapper = new Application_Model_MembershipMapper();
				$memberships = $membershipMapper->findBy(array('personID' => $this->session->getPersonID()),true);
				
				if(isset($memberships)) {
					foreach($memberships as $membership) {
						$group = $groupMapper->find($membership['groupID']);
						$role = $roleMapper->find($membership['roleID']);
						$membershipList[] = array(
	                		'membershipID' => $membership['membershipID'],
	                		'group' => $group->getTitle(),
	                		'role' => $role->getTitle()
						);
					}
					$vesamenuView->memberships = $membershipList;
				}else{
					$vesamenuView->memberships = null;
				}
				
				$vesamenuView->action = "selectmembership";
				
			}

			// Request Bootmenu
			$_SESSION['alphasessionID'] = $this->session->getAlphasessionID();
			$pbsFilter = new Pbs_Filter();
			$bootmenuID = $pbsFilter->evaluate();
	
			if($bootmenuID != null){
				$bootmenuMapper = new Application_Model_BootMenuMapper();
				$bm = $bootmenuMapper->find($bootmenuID);
				$vesamenuView->title = $bm->getTitle();
				$vesamenuView->startcounter = $bm->getStartcounter();
	
				$bootmenuentriesMapper = new Application_Model_BootMenuEntriesMapper();
				$res = $bootmenuentriesMapper->findBy(array('bootmenuID' => $bootmenuID),false);
				$vesamenuView->bmelist = $res;			
			}else{
				$vesamenuView->bmelist = null;
			}
		}else{
			$vesamenuView->serialnumber = $this->_request->getParam('serialnumber');
			$vesamenuView->mac = $this->_request->getParam('mac');
			if($vesamenuView->error == "serial"){
				$vesamenuView->error = "serial";
			}else{
				$vesamenuView->error = "session";
			}
		}

		$vesamenu = $vesamenuView->render('getvesamenu.phtml');
	
		header("Content-Length: ".(strlen($vesamenu)));
		
		echo $vesamenu;
	}
	
	public function getkernelAction(){

		//TODO session & bme error
		$bootosID = $this->session->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->session->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');
		}
	}
	

}