<?php

require('../include/db.php');

function main($path)
{
    $remote_server = config('remoteServer');

    $remote_url = $remote_server['url'] . $path;
    $cache_path = config_path('cacheDirectory', hash("sha256", $remote_url));

    $content = @file_get_contents($cache_path);
    if ($content === FALSE) {
        $content = fetch_remote($remote_server, $remote_url);
        if ($content === FALSE) {
            header('HTTP/1.0 404 Not Found');
            echo 'NotFound';
            exit(1);
        }
        file_put_contents($cache_path, $content);
    }

    header('Content-Type: application/json');
    header('Content-Length: ' . strlen($content));
    echo $content;
}

function fetch_remote($remote_server, $remote_url)
{
    $auth = array_get($remote_server, 'basicAuth');

    $header = '';
    if ($auth)
        $header = 'Authorization: Basic ' . base64_encode($auth['username'] . ':' . $auth['password']);

    $channel = curl_init();
    curl_setopt($channel, CURLOPT_URL, $remote_url);
    if ($auth) {
        curl_setopt($channel, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
        curl_setopt($channel, CURLOPT_USERPWD, $auth['username'] . ':' . $auth['password']);
    }
    curl_setopt($channel, CURLOPT_HEADER, FALSE);
    curl_setopt($channel, CURLOPT_RETURNTRANSFER, TRUE);
    $content = curl_exec($channel);
    curl_close($channel);

    return $content;
}

main(array_get($_SERVER, 'REQUEST_URI', ''));

?>