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<?php
/**
 * [PHPFOX_HEADER]
 */

defined('PHPFOX') or exit('NO DICE!');

/**
 * Display a 404 error
 * 
 * @copyright        [PHPFOX_COPYRIGHT]
 * @author          Raymond Benc
 * @package          Module_Error
 * @version         $Id: 404.class.php 2766 2011-07-29 11:58:31Z Raymond_Benc $
 */
class Error_Component_Controller_404 extends Phpfox_Component 
{
    /**
     * Class process method wnich is used to execute this component.
     */
    public function process()
    {
        $aRequests = Phpfox::getLib('request')->getRequests();
        $aNewRequests = array();
        $iCnt = 0;
        foreach ($aRequests as $sKey => $sValue)
        {
            if (!preg_match('/req[0-9]/', $sKey))
            {
                $aNewRequests[$sKey] = $sValue;
                
                continue;
            }
                        
            if ($sValue == 'public')
            {
                continue;
            }
            
            $iCnt++;
            
            $aNewRequests['req' . $iCnt] = $sValue;
        }    
        
        if (isset($aNewRequests['req1']))
        {
            if ($aNewRequests['req1'] == 'gallery')
            {
                $aNewRequests['req1'] = 'photo';
            }
            elseif ($aNewRequests['req1'] == 'browse')
            {
                $aNewRequests['req1'] = 'user';
            }        
            elseif ($aNewRequests['req1'] == 'groups')
            {
                $aNewRequests['req1'] = 'group';
            }        
            elseif ($aNewRequests['req1'] == 'videos')
            {
                $aNewRequests['req1'] = 'video';
            }    
            elseif ($aNewRequests['req1'] == 'listing')
            {
                $aNewRequests['req1'] = 'marketplace';
            }                
        }
        
        if (isset($aNewRequests['req1']) && Phpfox::isModule($aNewRequests['req1']) && Phpfox::hasCallback($aNewRequests['req1'], 'legacyRedirect'))
        {
            $sRedirect = Phpfox::callback($aNewRequests['req1'] . '.legacyRedirect', $aNewRequests);    
        }
        
        if (isset($sRedirect) && $sRedirect !== false)
        {
            header('HTTP/1.1 301 Moved Permanently');
            
            if (is_array($sRedirect))
            {
                $this->url()->send($sRedirect[0], $sRedirect[1]);    
            }
            
            $this->url()->send($sRedirect);
        }
        
        if (Phpfox::getParam(array('balancer', 'enabled')))
        {
            $sDo = $this->request()->get(PHPFOX_GET_METHOD);
                
            if (preg_match('//file/css/(.*)_(.*)/i', $sDo, $aMatches))
            {
                $sContent = file_get_contents(Phpfox::getLib('server')->getServerUrl($aMatches[1]) . ltrim($sDo, '/'));
                
                $hFile = fopen(PHPFOX_DIR . ltrim($sDo, '/'), 'w+');
                fwrite($hFile, $sContent);
                fclose($hFile);                
                
                header("Content-type: text/css");
                echo $sContent;
                exit;
            }                
        }
        
        header("HTTP/1.0 404 Not Found");
        
        $sUrl = (isset($_SERVER['REDIRECT_URL']) ? $_SERVER['REDIRECT_URL'] : '');
        $sCurrentUrl = $_SERVER['REQUEST_URI'];
        $aParts = explode('?', $sCurrentUrl);
        $sNewUrl = $aParts[0];
        
        if (substr($sNewUrl, -3) == '.js')
        {
            exit('JavaScript file not found.');
        }
        elseif (substr($sNewUrl, -4) == '.css')
        {
            exit('CSS file not found.');
        }        
        
        if ($sUrl)
        {
            // If its an image lets create a small "not found" image
            if (substr($sUrl, -4) == '.gif' || substr($sUrl, -4) == '.png' || substr($sUrl, -4) == '.jpg' || substr($sUrl, -5) == '.jpeg') 
            {
                // Log any missing images if the setting is enabled (Mostly used when developing new themes)
                if (Phpfox::getParam('core.log_missing_images'))
                {
                    if ($hFile = @fopen(PHPFOX_DIR . 'file/log/phpfox_missing_images.log', 'a+'))
                    {
                        $sData = $sUrl . (isset($_SERVER['HTTP_REFERER']) ? " ({$_SERVER['HTTP_REFERER']})" : "");
                        fwrite($hFile, $sUrl . "n");
                        fclose($hFile);
                    }
                }
                
                $sText = 'Not Found!';
                $nW = 100;
                $nH = 30;
                $nLeft = 5;
                $nTop = 5;
                $hImg = imageCreate($nW, $nH);
                $nBgColor  = imageColorAllocate($hImg, 0, 0, 0);
                $nTxtColor = imageColorAllocate($hImg, 255, 255, 255);
                imageString($hImg, 5, $nLeft, $nTop,  $sText, $nTxtColor);
                
                ob_clean();
                header('Content-Type: image/jpeg');
                imagejpeg($hImg);        
                exit;        
            }    
        }
    }
}

?>