<?php

class user_BootosController extends Zend_Controller_Action
{

	protected $bootosMapper;
	protected $membershipMapper;
	protected $membership;
	protected $page;
	
    public function init()
    {
        if (Zend_Auth::getInstance()->hasIdentity()) {
			$userIDsNamespace = Zend_Session::namespaceGet('userIDs');
			if($userIDsNamespace['membershipID'] ==''){
				$this->_redirect('/user/index');
			}
			
			$this->bootosMapper = new Application_Model_BootOsMapper();
			
			$this->membershipMapper = new Application_Model_MembershipMapper();
			$this->membership = new Application_Model_Membership();
			$this->membershipMapper->find($userIDsNamespace['membershipID'],$this->membership);

			$this->db = Zend_Db_Table::getDefaultAdapter();
		} else {
			$this->_helper->redirector('login', 'auth');
		}
		$this->page = $this->_request->getParam('page');	
    }

    public function indexAction()
    {
        $result = $this->_request->getParam('addresult');
		if($result != ""){
			$pbsNotifier = new Pbs_Notifier();
			$this->view->notification = $pbsNotifier->notify('create',$result);
		}
		$result = $this->_request->getParam('deleteresult');
		if($result != ""){
			$pbsNotifier = new Pbs_Notifier();
			$this->view->notification = $pbsNotifier->notify('delete',$result);
		}
		$result = $this->_request->getParam('modifyresult');
		if($result != ""){
			$pbsNotifier = new Pbs_Notifier();
			$this->view->notification = $pbsNotifier->notify('modify',$result);
		}
    	$result = $this->_request->getParam('updateresult');
		if($result != ""){
			$pbsNotifier = new Pbs_Notifier();
			$this->view->notification = $pbsNotifier->notify('update',$result);
		}
    	
    	$groupID = $this->membership->getGroupID();  
		
		//ACL Darf er BootOs sehen?
    	if(!Pbs_Acl::checkRight('boai') && !Pbs_Acl::checkRight('boui'))
    		$this->_redirect('/user/index');

       	$groupgroupsMapper = new Application_Model_GroupGroupsMapper();
    	
    	$parents = array();
    	$this->view->bootoslist = array();
 		$parents = $groupgroupsMapper->getParentGroups($groupID);
 		   	
    	foreach($parents as $k => $parent){
    		foreach($parent as  $p){
    			 $bootos = $this->bootosMapper->findBy(array("groupID" => $p));
    			 foreach ($bootos as $b)
    			 	if($b->getPublic() - $k >= 0 )
    			 		$this->view->bootoslist[] = $b;
    		}
    	}
    	
    	$this->view->bootoslist = array_reverse($this->view->bootoslist);

		$this->view->update = array();
    	$update = $this->_request->getParam('checkupdate');
    	$groupMapper = new Application_Model_GroupMapper();  	
       	$configMapper = new Application_Model_ConfigMapper();
    	
    	
    	if(count($this->view->bootoslist)>0){
			foreach ($this->view->bootoslist as $bootos){
				  $this->view->update[$bootos->getID()] = $update && $this->checkupdateAction($bootos);
				  if($bootos->getDefaultkcl() == null)
						$bootos->setDefaultkcl("none (edit Bootos to set KCL)");		    			
				  $bootos->setGroupID("[".$bootos->getGroupID()."] ".$groupMapper->find($bootos->getGroupID())->getTitle());
				  $bootos->setConfigID("[".$bootos->getConfigID()."] ".$configMapper->find($bootos->getConfigID())->getTitle());
				  $bootos->setCreated(date(Zend_Registry::get('dateformat'),$bootos->getCreated()));
				  $bootos->setExpires(date(Zend_Registry::get('dateformat'),$bootos->getExpires()));
			}
		}
		
		// Search
		$search = $this->_request->getParam('search');
		$mySearch = new Pbs_Search();
		$mySearch->setSearchTerm($search);
		$mySearch->setModule('bootos');
		if($search != ''){
			$this->view->search = $mySearch->getSearchTerm();			
			$this->view->bootoslist = $mySearch->search($this->view->bootoslist);			
		}
		$this->view->searchform = $mySearch->searchForm();
    	
    	// Pagination
	    $pagination = new Pbs_Pagination();	
		$pagination->setPerPage(10);		
		$pagination->setElement($this->view->bootoslist);
		$pagination->setRequestPage($this->_request->getParam('page'));		
		$pagination->setPageUrl('/user/bootos/index'.((isset($this->view->search))?'/search/'.$this->view->search:''));
		$this->view->bootoslist = $pagination->getElements();		
		
		$this->view->pagination = $pagination->pagination();
		$this->view->page 		= $pagination->getRequestPage();    	
    	
    	
    }
    public function searchAction(){
		$this->_redirect('/user/bootos/index/search/'.($_GET['search']));
	}

    public function createbootosAction()
    {
    	
    	//ACL Darf er BootISOs erstellen?
    	if(!Pbs_Acl::checkRight('boc'))
    		$this->_redirect('/user/bootos/index/page/'.$this->page.'/addresult/forbidden');
    	
       	$groupID = $this->membership->getGroupID();
    		
    	$groupgroupsMapper = new Application_Model_GroupGroupsMapper();
    	$childgroups = count($groupgroupsMapper->getChildGroups($groupID));
    	
    	$configMapper = new Application_Model_ConfigMapper();   
    	$configlist = $configMapper->findBy(array("groupID" => $groupID)); 	
    	
    	if (!isset($_POST["createbootos"])){
    	        $bootosForm = new user_Form_Bootos(array(
    	        							'action' => 'createbootos', 
    	        							'groupdepth' => $childgroups, 
    	        							'configlist'=>$configlist, 
    	        							'page' => $this->page));
    	} else {
    			
    	        $bootosForm = new user_Form_Bootos(array(
    	        							'action' => 'createbootos', 
    	        							'groupdepth' => $childgroups, 
    	        							'configlist'=>$configlist, 
    	        							'page' => $this->page),$_POST);
    			    			
    		    if ($bootosForm->isValid($_POST)) {

    		    	$bootos = new Application_Model_BootOs($_POST);
    		    	
    		    	$bootos->setGroupID($this->membership->getGroupID());
    		        $bootos->setCreated(time());
    		        
    		    	try {  
    		    		
    		    		$path_tmp = "../resources/bootos/";
    		            mkdir($path_tmp ,0777, true);
    		    		
						$hash = md5(microtime(1));
    		    		exec("wget -O '".$path_tmp."kernel".$hash."' ".escapeshellcmd($bootos->getPath_kernel())." 2>&1 | grep 'saved'", $status);
    		      		exec("wget -O '".$path_tmp."initramfs".$hash."' ".escapeshellcmd($bootos->getPath_init())." 2>&1 | grep 'saved'", $status2);
    		    		
				    	if(!array_pop($status) || !array_pop($status2)){
 							$this->view->bootosForm = $bootosForm;
 							$pbsNotifier = new Pbs_Notifier();
							echo $pbsNotifier->notify('The Resource was not found on the specified path','error');
							
 							return;		
				    	}		    	
    		    		
    		            $bootosID = $this->bootosMapper->save($bootos);
						
    		            $initpath = "../resources/bootos/".$bootosID."/initramfs/";
    		            $kernelpath = "../resources/bootos/".$bootosID."/kernel/";

    		            mkdir($initpath ,0777, true);
    		            mkdir($kernelpath ,0777, true);
    		            
    		            exec("mv ../resources/bootos/kernel$hash $kernelpath"."kernel");
    		            exec("mv ../resources/bootos/initramfs$hash $initpath"."initramfs");
    		            
    		        }catch(Zend_Exception $e)
    		        {
    		            echo "Caught exception: " . get_class($e) . "<br/>";
    					echo "Message: " . $e->getMessage() . "<br/>";
    					$this->_redirect('/user/bootos/index/page/'.$this->page.'/addresult/error');
    					//TODO Delete File & delete bootiso from DB
    					
    		        }
    		        
					$this->_redirect('/user/bootos/index/page/'.$this->page.'/addresult/ok');
    		     }
    		}
    
            $this->view->bootosForm = $bootosForm;
    }
    
    public function checkupdateAction($bootos)
    {
    	
    	//ACL Is he allowed to update Preboots?
    	if(!Pbs_Acl::checkRight('bou'))
    		$this->_redirect('/user/preboot/index/page/'.$this->page.'/updateresult/forbidden');
    	
    	$bootosID = $bootos->getID();	
    		
    	if(is_file("../resources/bootos/$bootosID/kernel/kernel") && is_file("../resources/bootos/$bootosID/initramfs/initramfs")){
    		$kernelolddate = filemtime("../resources/bootos/".$bootosID."/kernel/kernel");
    		$initolddate = filemtime("../resources/bootos/".$bootosID."/initramfs/initramfs");
    	}
    	else 
    	{
    		$pbsNotifier = new Pbs_Notifier();
    		$this->view->notification = $pbsNotifier->notify('There are updates available','ok');
    		return true;
    	}  	
    	
    	exec("wget --server-response --spider '".escapeshellcmd($bootos->getPath_kernel())."' 2>&1 | grep 'Last-Modified:'", $kerneldate);
    	exec("wget --server-response --spider '".escapeshellcmd($bootos->getPath_init())."' 2>&1 | grep 'Last-Modified:'", $initdate);
	 	
    	$kerneldate = strtotime(trim(str_replace('Last-Modified:', '', array_pop($kerneldate))));
    	$initdate = strtotime(trim(str_replace('Last-Modified:', '', array_pop($initdate))));

    	//print_a($bootos->getPath_kernel(),$kerneldate,$kernelolddate,$initname,$initdate,$initolddate);
    	
    	if($kerneldate > $kernelolddate || $initdate > $initolddate){
    		$this->view->notification = $pbsNotifier->notify('There are updates available','ok');
    		return true;
    	}else{ 
    		return false;
    	}
    	   	
    }
    
    public function updatebootosAction()
    {
    	
    	//ACL Is he allowed to update Preboots?
    	if(!Pbs_Acl::checkRight('bou'))
    		$this->_redirect('/user/bootiso/index/page/'.$this->page.'/updateresult/forbidden');
    	
    	$bootosID = $this->_request->getParam('bootosID');
    	if (!is_numeric($bootosID))
   			$this->_redirect('/user/bootos/index/page/'.$this->page.'/updateresult/forbidden');

   		$bootos = $this->bootosMapper->find($bootosID);
    	
   		if($this->membership->getGroupID() != $bootos->getGroupID())
    		$this->_redirect('/user/bootos/index/page/'.$this->page.'/updateresult/forbidden');
   		
    	$initpath = "../resources/bootos/".$bootosID."/initramfs/";
    	$kernelpath = "../resources/bootos/".$bootosID."/kernel/";
    	$path_tmp = "../resources/bootos/";
    	
    	$hash = md5(microtime(1));
    	exec("wget -O '".$path_tmp."kernel".$hash."' ".escapeshellcmd($bootos->getPath_kernel())." 2>&1 | grep 'saved'", $status);
    	exec("wget -O '".$path_tmp."initramfs".$hash."' ".escapeshellcmd($bootos->getPath_init())." 2>&1 | grep 'saved'", $status2);
    	    		      		
		if(!array_pop($status) || !array_pop($status2)){
    		$this->_redirect('/user/bootos/index/page/'.$this->page.'/updateresult/404');	
    		//TODO Delete Files in tmp
		}
		
		exec("mv ../resources/bootos/kernel$hash $kernelpath"."kernel");
    	exec("mv ../resources/bootos/initramfs$hash $initpath"."initramfs");
    	
    	$this->_redirect('/user/bootos/index/page/'.$this->page.'/updateresult/ok');
    }

    public function editbootosAction()
    {
		
    	//ACL Is he allowed to edit Preboots?
    	if(!Pbs_Acl::checkRight('boe') && !Pbs_Acl::checkRight('boem'))
    		$this->_redirect('/user/bootos/index/page/'.$this->page.'/modifyresult/forbidden');
    	
    	$bootosID = $this->_request->getParam('bootosID');
    	if (!is_numeric($bootosID))
    		$this->_redirect('/user/bootos/index/page/'.$this->page.'/modifyresult/forbidden');	
    		
    	$groupID = $this->membership->getGroupID();
    		
    	$groupgroupsMapper = new Application_Model_GroupGroupsMapper();
    	$childgroups = count($groupgroupsMapper->getChildGroups($groupID));	
    		
    	$configMapper = new Application_Model_ConfigMapper();
    	$configlist = $configMapper->findBy(array("groupID" => $groupID)); 	
    	
    	$bootos = new Application_Model_BootOs();
    	$bootos = $this->bootosMapper->find($bootosID);

    	if($this->membership->getGroupID() != $bootos->getGroupID())
    		$this->_redirect('/user/bootos/index/page/'.$this->page.'/modifyresult/forbidden');
    	
    	if (!isset($_POST["editbootos"])){

    		$bootosForm = new user_Form_Bootos(array(
    									'action' => 'editbootos', 
    									'groupdepth' => $childgroups, 
    									'configlist'=>$configlist, 
    	        						'page' => $this->page));

    		$bootosForm->populate($bootos->toArray()); 
    	
    	}else{
    		$bootosForm = new user_Form_Bootos(array(
    									'action' => 'editbootos', 
    									'groupdepth' => $childgroups, 
    									'configlist'=>$configlist, 
    	        						'page' => $this->page),$_POST);
    			    			
    		if ($bootosForm->isValid($_POST)) {

    			$bootosold = $bootos;

    			$bootos = new Application_Model_BootOs($_POST);
    			$bootos->setGroupID($this->membership->getGroupID());
    			$bootos->setCreated(time());
    			if($bootos->getConfigID() == '')
    		    	$bootos->setConfigID(NULL);
    			$bootos->setID($bootosID);
    		    	
    			if(	$bootos->getConfigID() != $bootosold->getConfigID() || 
    				$bootos->getDefaultkcl() != $bootosold->getDefaultkcl() ||
    				$bootos->getExpires() != $bootosold->getExpires() ||
    				$bootos->getPublic() != $bootosold->getPublic() ){
    				//ACL Is he allowed to edit this?
    				if(!Pbs_Acl::checkRight('boe'))
    					$this->_redirect('/user/bootos/index/page/'.$this->page.'/modifyresult/forbidden');
    			}
    			
    		    if($bootos->getPath_kernel() != $bootosold->getPath_kernel() || $bootos->getPath_init() != $bootosold->getPath_init()){	
    		       	//ACL Is he allowed to edit the Kernel/Init Path?
    				if(!Pbs_Acl::checkRight('boe'))
    					$this->_redirect('/user/bootos/index/page/'.$this->page.'/modifyresult/forbidden');
    					
    				$path_tmp = "../resources/bootos/";
    					
    				$hash = md5(microtime(1));
    		    	exec("wget -O '".$path_tmp."kernel".$hash."' ".escapeshellcmd($bootos->getPath_kernel())." 2>&1 | grep 'saved'", $status);
    		      	exec("wget -O '".$path_tmp."initramfs".$hash."' ".escapeshellcmd($bootos->getPath_init())." 2>&1 | grep 'saved'", $status2);
    		    		
				    if(!array_pop($status) || !array_pop($status2)){
 						$this->view->bootosForm = $bootosForm;
 						$pbsNotifier = new Pbs_Notifier();
						echo $pbsNotifier->notify('The Resource was not found on the specified path','error');
							
 						return;		
				    }		    	
    		    							
    		        $initpath = "../resources/bootos/".$bootosID."/initramfs/";
    		        $kernelpath = "../resources/bootos/".$bootosID."/kernel/";

    		        mkdir($initpath ,0777, true);
    		        mkdir($kernelpath ,0777, true);
    		            
    		        exec("mv ../resources/bootos/kernel$hash $kernelpath"."kernel");
    		        exec("mv ../resources/bootos/initramfs$hash $initpath"."initramfs");	
	
    		    }
    		   
    		   	try {  
    		        $this->bootosMapper->save($bootos);

    		   	}catch(Zend_Exception $e)
    		    {
    		    	echo "Caught exception: " . get_class($e) . "<br/>";
    				echo "Message: " . $e->getMessage() . "<br/>";	
    				$this->_redirect('/user/bootos/index/page/'.$this->page.'/modifyresult/error');	
    				//TODO Delete Folder + Preboot
    		    }
    		    
				$this->_redirect('/user/bootos/index/page/'.$this->page.'/modifyresult/ok');
    		}
    			
    	}
    	
    	$this->view->bootosForm = $bootosForm;
    	
    }

    public function deletebootosAction()
    {
    	//ACL Is he allowed to delete Bootos?
    	if(!Pbs_Acl::checkRight('bod'))
    		$this->_redirect('/user/bootos/index/page/'.$this->page.'/deleteresult/forbidden');
    	
    	try{
	    	$bootosID = $this->_request->getParam('bootosID');
	    	if (!is_numeric($bootosID))
	   			$this->_redirect('/user/bootos/index/page/'.$this->page.'/deleteresult/forbidden');

    		$bootos = new Application_Model_BootOs();
    		$this->bootosMapper->find($bootosID, $bootos);
    			
	    	if($this->membership->getGroupID() != $bootos->getGroupID())
	   			$this->_redirect('/user/bootos/index/page/'.$this->page.'/deleteresult/forbidden');
	   			
    		$this->bootosMapper->delete($bootos);
    		exec("rm -r ../resources/bootos/".$bootosID);
	    	
    	}catch(Zend_Exception $e){
    		echo "Caught exception: " . get_class($e) . "<br/>";
    		echo "Message: " . $e->getMessage() . "<br/>";
    		$this->_redirect('/user/bootos/index/page/'.$this->page.'/deleteresult/error');	
    	}
	   		$this->_redirect('/user/bootos/index/page/'.$this->page.'/deleteresult/ok');
    }
    		
    
}