<?php

class Smedia extends CI_Controller {

    public function index() {
        $this->serve_file('');
    }

    private function serve_file($filename) {
        if ($filename=='' || !file_exists($filename)) {
            $filename = 'assets/images/accessdenied.png';
        }
        // Any additional path checks should go here
        // TODO: realpath check to /opt/wrenchboard
        header('Content-type: ' . mime_content_type($filename));
        readfile($filename);
    }

    public function DEFAULTS() {
        if (!isset($_SESSION['username']) or $_SESSION['username'] == '') {
            $this->serve_file('');
            return;
        }
        //var_dump($_SERVER);
        $filename = str_replace("/smedia/","/opt/wrenchboard/",$_SERVER["SCRIPT_URL"]);
        //echo $filename;
        $this->serve_file($filename);
    }

    public function LIVE() {
        if (!isset($_SESSION['username']) or $_SESSION['username'] == '') {
            $this->serve_file('');
            return;
        }
        $filename = str_replace("/smedia/","/opt/wrenchboard/",$_SERVER["SCRIPT_URL"]);
        $this->serve_file($filename);
    }

    public function media() {
        if (!isset($_SESSION['username']) or $_SESSION['username'] == '') {
            $this->serve_file('');
            return;
        }
        $filename = str_replace("/smedia/","/opt/wrenchboard/",$_SERVER["SCRIPT_URL"]);
        $this->serve_file($filename);
    }

    public function TEST() {
        if (!isset($_SESSION['username']) or $_SESSION['username'] == '') {
            $this->serve_file('');
            return;
        }
        $filename = str_replace("/smedia/","/opt/wrenchboard/",$_SERVER["SCRIPT_URL"]);
        $this->serve_file($filename);
    }
}