spotweb/spotweb

<?php

class SpotPage_statics extends SpotPage_Abs
{
    private $_params;
    private $_currentCssFile;

    public function __construct(Dao_Factory $daoFactory, Services_Settings_Container $settings, array $currentSession, array $params)
    {
        parent::__construct($daoFactory, $settings, $currentSession);

        $this->_params = $params;
    }

    // ctor

    public function cbFixCssUrl($needle)
    {
        return 'URL('.$this->_currentCssFile.'/'.trim($needle[1], '"\'').')';
    }

    // cbFixCssUrl

    public function cbGetText($s)
    {
        return _($s[1]);
    }

    // cbGetText

    public function mergeFiles($files)
    {
        $tmp = '';

        foreach ($files as $file) {
            $fc = file_get_contents($file).PHP_EOL;
            $fc = str_replace(
                ['$COOKIE_EXPIRES',
                    '$COOKIE_HOST', ],
                [$this->_settings->get('cookie_expires'),
                    $this->_settings->get('cookie_host'), ],
                $fc
            );

            /*
             * Usually i don't like regexe's as they are hard(er) to read,
             * but this saves a lot of parsing so worth it
             */
            $this->_currentCssFile = dirname($file);
            $fc = preg_replace_callback('/url\(([^)]+)\)/i', [$this, 'cbFixCssUrl'], $fc);

            // also replace any internationalisation strings in JS.
            // Code copied from:
            //    http://stackoverflow.com/questions/5069321/preg-replace-and-gettext-problem
            $fc = preg_replace_callback("%\<t\>([a-zA-Z0-9',\#\%\:\/\?\.\\s\(\))]*)\</t\>%is", [$this, 'cbGetText'], $fc);

            $tmp .= $fc;
        } // foreach

        // and return the replaced body
        return ['body' => $tmp];
    }

    // mergeFiles

    public function render()
    {
        $tplHelper = $this->_tplHelper;

        /* Make sure users has sufficient permission to perform this action */
        $this->_spotSec->fatalPermCheck(SpotSecurity::spotsec_view_statics, '');

        /* Actually get the (merged) static fils */
        $mergedInfo = $this->mergeFiles($tplHelper->getStaticFiles($this->_params['type']));

        /*
         * We encounter a bug when using mod_deflate and mod_fastcgi which causes the content-length
         * header to be sent incorrectly. Hence, if we detect mod_fastcgi we dont send an content-length
         * header at all
         */
        if (!isset($_SERVER['REDIRECT_HANDLER']) || ($_SERVER['REDIRECT_HANDLER'] != 'php-fastcgi')) {
            header('Content-Length: '.strlen($mergedInfo['body']));
        } // if

        switch ($this->_params['type']) {
            case 'css': $this->sendContentTypeHeader('css');
                header('Vary: Accept-Encoding'); // sta toe dat proxy servers dit cachen
                break;
            case 'js': $this->sendContentTypeHeader('js');
                break;
            case 'ico': $this->sendContentTypeHeader('ico');
                break;
        } // switch

        // we don't want this code to expire
        $this->sendExpireHeaders(false);

        // and send the correct last-modified header
        header('Last-Modified: '.gmdate('D, d M Y H:i:s', $tplHelper->getStaticModTime($this->_params['type'])).' GMT');

        echo $mergedInfo['body'];
    }

    // render
} // class SpotPage_statics