rbnvrw/crispus

<?php
namespace Crispus;

/**
 * Crispus CMS
 *
 * @author Ruben Verweij
 * @link http://rubenverweij.nl
 * @license http://opensource.org/licenses/MIT
 * @version 0.1
 */
class SiteConfig extends Config {
        
    public function __construct($sConfigFile = 'config.json'){
               
        parent::__construct($sConfigFile);
        
        $this->setup();
        
    }
    
    private function setup() {
        $this->setRootPath();
        
        $this->_aConfig['request_uri'] = (isset($this->_aConfig['request_uri'])) ? $this->_aConfig['request_uri'] : $this->getServerVar('REQUEST_URI');
        
        $this->_aConfig['protocol'] = $this->getProtocol();
        
        $this->_aConfig['site']['base_url'] = $this->getBaseUrl();                
    }
    
    public function getPath($sKey, $sGroup = 'crispus'){
        $sRoot = '';
        if(isset($this->_aConfig['crispus']['paths']['root'])){
            $sRoot = $this->_aConfig['crispus']['paths']['root'];
        }
        
        if($sKey == 'root' && $sGroup == 'crispus'){
            return $sRoot;
        }
    
        if(isset($this->_aConfig[$sGroup]['paths'][$sKey])){
            return $sRoot.$this->_aConfig[$sGroup]['paths'][$sKey];
        }
        
        return $sRoot;
    }
    
    public function getUrl($sKey, $sGroup = 'crispus'){
        $sBaseUrl = $this->getBaseUrl();
    
        if(isset($this->_aConfig[$sGroup]['paths'][$sKey])){
            return $sBaseUrl . ltrim($this->_aConfig[$sGroup]['paths'][$sKey], '/');
        }
        
        return $sBaseUrl;
    }
    
    public function getProtocol() {
        $sProtocol = 'http';
    
        $sHttps = $this->getServerVar('HTTPS');
        if($sHttps === 'on'){
            $sProtocol = 'https';
        }
        return $sProtocol;
    }
    
    public function getBaseUrl(){        
        $sBaseUrl = sprintf('%s://%s:%d/', $this->getProtocol(),
                                            $this->getServerVar('SERVER_NAME'),
                                            $this->getServerVar('SERVER_PORT'));
        return $sBaseUrl;         
    }
    
    public function getServerVar($sName){
        return filter_input(INPUT_SERVER, $sName, FILTER_SANITIZE_URL);
    }
    
    public function getPhpThumbUrl(){
        $sUrl = $this->getUrl('phpThumb');
        
        if($sUrl == $this->getBaseUrl()){
            $sUrl = $this->getUrl('vendor').'/rbnvrw/phpthumb/phpThumb.php';
        }
        
        return $sUrl;
    }
    
    private function setRootPath(){        
        if(!isset($this->_aConfig['crispus']['paths']['root'])){
            /* Vendor directory is in the root, step up until we find vendor
             * Limit to 10 levels. */
            $sCurDir = __DIR__;
            $sRelativePath = '';
            $oFilesystem = new Filesystem();
            
            for($iI = 0; $iI < 10; $iI++){
                $aDirs = $oFilesystem->getDirectories($sCurDir, false);
                
                if(!in_array('vendor', $aDirs)){
                    $sCurDir = dirname($sCurDir);
                    $sRelativePath .= '/..';
                }else{
                    break;
                }
            }
            
            $sRelativePath .= '/';
        
            $this->_aConfig['crispus']['paths']['root'] = realpath(__DIR__.$sRelativePath);
        }        
    }
}