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path: root/application/controllers/ResourceController.php
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<?php

class ResourceController extends Zend_Controller_Action
{

	private $startval = 878923467;
	private $pass = array('lsfks_!$fks', 'un!fr€iburg', '0pen$lx_rulez', 'rand0mText');
	
    public function init()
    {
    	
    }

    public function indexAction()
    {
    	
    	
    }

    public function getinitramfsAction()
    {
        $this->_helper->layout->disableLayout();
        $this->_helper->viewRenderer->setNoRender();    	
    	
        $bootosID = $this->_request->getParam('bootosID');
		$bootosID = $this->alphaID($bootosID, true, false, $this->pass[0]);
		$bootosID -= $this->startval;

                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})', $HTTP_USER_AGENT) == 'IE') ? 'inline' : 'attachment';
        	        header('Content-Disposition:  ' . $content_disp . '; filename="initramfs.tar.gz"');
        	      	header('Pragma: no-cache');
        	      	header('Expires: 0');
        	                                		  
        	       	// create the gzipped tarfile.
        	       	chdir("../resources/bootos/$bootosID/initramfs/");
        	       	passthru( "tar cz ./");
                }
    }

    public function getconfigAction()
    {
    	
        $this->_helper->layout->disableLayout();
        $this->_helper->viewRenderer->setNoRender(); 
          	
        $configID = $this->_request->getParam('configID');
		$configID = $this->alphaID($configID, true, false, $this->pass[1]);
		$configID -= $this->startval;
                                            	
                if(is_dir("../resources/config/$configID/config/") && is_numeric($configID)){
                                            		                         	    	
        	       	header('Content-Type: application/x-gzip');
        	        $content_disp = ( ereg('MSIE ([0-9].[0-9]{1,2})', $HTTP_USER_AGENT) == 'IE') ? 'inline' : 'attachment';
        	        header('Content-Disposition:  ' . $content_disp . '; filename="config.tar.gz"');
        	      	header('Pragma: no-cache');
        	      	header('Expires: 0');
        	                                		  
        	       	// create the gzipped tarfile.
        	       	chdir("../resources/config/$configID/config/");
        	       	passthru( "tar cz ./");
                }
    }

    public function getkernelAction()
    {
    	$this->_helper->layout->disableLayout();
        $this->_helper->viewRenderer->setNoRender();
        
        $bootosID = $this->_request->getParam('bootosID');
		$bootosID = $this->alphaID($bootosID, true, false, $this->pass[2]);
		$bootosID -= $this->startval;  
                                            	
                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})', $HTTP_USER_AGENT) == 'IE') ? 'inline' : 'attachment';
        	        header('Content-Disposition:  ' . $content_disp . '; filename="kernel.tar.gz"');
        	      	header('Pragma: no-cache');
        	      	header('Expires: 0');
        	                                		  
        	       	// create the gzipped tarfile.
        	       	chdir("../resources/bootos/$bootosID/kernel/");
        	       	passthru( "tar cz ./");
                }
    }

    public function getkclAction()
    {
    	$this->_helper->layout->disableLayout();
    	$this->_helper->viewRenderer->setNoRender();
    	
        $bmeID = $this->_request->getParam('bootmenuentryID');
		$bmeID = $this->alphaID($bmeID, true, false, $this->pass[3]);
		$bmeID -= $this->startval; 
        
        if(is_numeric($bmeID)){
        	$bmemapper = new Application_Model_BootMenuEntriesMapper();
			$bme = new Application_Model_BootMenuEntries();
			$bmemapper->find($bmeID,$bme);
			
			if($bme->getKcl() != null){
				header('Content-Type: text/html');
    	        $content_disp = ( ereg('MSIE ([0-9].[0-9]{1,2})', $HTTP_USER_AGENT) == 'IE') ? 'inline' : 'attachment';
    	        header('Content-Disposition:  ' . $content_disp . '; filename="kcl.txt"');
    	      	header('Pragma: no-cache');
    	      	header('Expires: 0');
				echo $bme->getKcl();   	
			}
	
        }

    }
    
    public function getbootmenuentryAction()
    {
    	$this->_helper->layout->disableLayout();
    	$this->_helper->viewRenderer->setNoRender();
    	
	    $bmeID = $this->_request->getParam('bootmenuentryID');

	    if(is_numeric($bmeID)){
    		$bmemapper = new Application_Model_BootMenuEntriesMapper();
		   	$bme = new Application_Model_BootMenuEntries();
		   	
		   	$bootosmapper = new Application_Model_BootOsMapper();
		   	$bootos = new Application_Model_BootOs();
		   	
		   	$bmemapper->find($bmeID, $bme);
		   	if($bme->getBootosID() != null){
		   		$bootos = $bootosmapper->find($bme->getBootosID());	
		   		
		   		$alpha_init_bootos = $this->alphaID($bootos->getID()+$this->startval, false, false, $this->pass[0]);
				$alpha_kernel_bootos = $this->alphaID($bootos->getID()+$this->startval, false, false, $this->pass[2]);
				$alpha_bmeID = $this->alphaID($bmeID+$this->startval, false, false, $this->pass[3]);
		   		$alpha_config = $this->alphaID($bme->getConfigID()+$this->startval, false, false, $this->pass[1]);
		   			 
		   		$return_val = 
		   			array(
		   					'kernel' => $this->generateURL('getkernel', 'bootosID', $alpha_kernel_bootos), 
		   					'initramfs' => $this->generateURL('getinitramfs', 'bootosID', $alpha_init_bootos),
		   					'kcl' => $this->generateURL('getkcl', 'bootmenuentryID', $alpha_bmeID),
		   					'config' => $alpha_config
		   			);
		   		
		   		echo json_encode($return_val);
		   	}
	    }
	    	
    }
    
    function generateURL($action, $varname, $varvalue){
   		$path = '/resource/'. $action .'/' . $varname .'/' . $varvalue;
   		$path = "http://" . $_SERVER['SERVER_NAME'] . $path;
    	return $path;
    }

/**
 * Translates a number to a short alhanumeric version
 *
 * Translated any number up to 9007199254740992
 * to a shorter version in letters e.g.:
 * 9007199254740989 --> PpQXn7COf
 *
 * specifiying the second argument true, it will
 * translate back e.g.:
 * PpQXn7COf --> 9007199254740989
 *
 * this function is based on any2dec && dec2any by
 * fragmer[at]mail[dot]ru
 * see: http://nl3.php.net/manual/en/function.base-convert.php#52450
 *
 * If you want the alphaID to be at least 3 letter long, use the
 * $pad_up = 3 argument
 *
 * In most cases this is better than totally random ID generators
 * because this can easily avoid duplicate ID's.
 * For example if you correlate the alpha ID to an auto incrementing ID
 * in your database, you're done.
 *
 * The reverse is done because it makes it slightly more cryptic,
 * but it also makes it easier to spread lots of IDs in different
 * directories on your filesystem. Example:
 * $part1 = substr($alpha_id,0,1);
 * $part2 = substr($alpha_id,1,1);
 * $part3 = substr($alpha_id,2,strlen($alpha_id));
 * $destindir = "/".$part1."/".$part2."/".$part3;
 * // by reversing, directories are more evenly spread out. The
 * // first 26 directories already occupy 26 main levels
 *
 * more info on limitation:
 * - http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/165372
 *
 * if you really need this for bigger numbers you probably have to look
 * at things like: http://theserverpages.com/php/manual/en/ref.bc.php
 * or: http://theserverpages.com/php/manual/en/ref.gmp.php
 * but I haven't really dugg into this. If you have more info on those
 * matters feel free to leave a comment.
 *
 * @author  Kevin van Zonneveld <kevin@vanzonneveld.net>
 * @author  Simon Franz
 * @author  Deadfish
 * @copyright 2008 Kevin van Zonneveld (http://kevin.vanzonneveld.net)
 * @license   http://www.opensource.org/licenses/bsd-license.php New BSD Licence
 * @version   SVN: Release: $Id: alphaID.inc.php 344 2009-06-10 17:43:59Z kevin $
 * @link    http://kevin.vanzonneveld.net/
 *
 * @param mixed   $in    String or long input to translate
 * @param boolean $to_num  Reverses translation when true
 * @param mixed   $pad_up  Number or boolean padds the result up to a specified length
 * @param string  $passKey Supplying a password makes it harder to calculate the original ID
 *
 * @return mixed string or long
 */
    
private function alphaID($in, $to_num = false, $pad_up = false, $passKey = null)
{
  $index = "abcdefghijklmnopqrstuvwxyz0123456789";
  if ($passKey !== null) {
    // Although this function's purpose is to just make the
    // ID short - and not so much secure,
    // with this patch by Simon Franz (http://blog.snaky.org/)
    // you can optionally supply a password to make it harder
    // to calculate the corresponding numeric ID
 
    for ($n = 0; $n<strlen($index); $n++) {
      $i[] = substr( $index,$n ,1);
    }
 
    $passhash = hash('sha256',$passKey);
    $passhash = (strlen($passhash) < strlen($index))
      ? hash('sha512',$passKey)
      : $passhash;
 
    for ($n=0; $n < strlen($index); $n++) {
      $p[] =  substr($passhash, $n ,1);
    }
 
    array_multisort($p,  SORT_DESC, $i);
    $index = implode($i);
  }
 
  $base  = strlen($index);
 
  if ($to_num) {
    // Digital number  <<--  alphabet letter code
    $in  = strrev($in);
    $out = 0;
    $len = strlen($in) - 1;
    for ($t = 0; $t <= $len; $t++) {
      $bcpow = bcpow($base, $len - $t);
      $out   = $out + strpos($index, substr($in, $t, 1)) * $bcpow;
    }
 
    if (is_numeric($pad_up)) {
      $pad_up--;
      if ($pad_up > 0) {
        $out -= pow($base, $pad_up);
      }
    }
    $out = sprintf('%F', $out);
    $out = substr($out, 0, strpos($out, '.'));
  } else {
    // Digital number  -->>  alphabet letter code
    if (is_numeric($pad_up)) {
      $pad_up--;
      if ($pad_up > 0) {
        $in += pow($base, $pad_up);
      }
    }
 
    $out = "";
    for ($t = floor(log($in, $base)); $t >= 0; $t--) {
      $bcp = bcpow($base, $t);
      $a   = floor($in / $bcp) % $base;
      $out = $out . substr($index, $a, 1);
      $in  = $in - ($a * $bcp);
    }
    $out = strrev($out); // reverse
  }
 
  return $out;
}
}