<?php
require realpath(__DIR__ . '/../lib/Downloads.php');

function get($s){
    return (string) filter_input(INPUT_GET, $s, FILTER_SANITIZE_STRING);
}

function check($array){
    foreach ($array as $key => $v) {
        $getvar = get("$key");
        if (!in_array($getvar, $v)) {
            $out = "Error $key: $getvar - not in list - " . implode(", ", $v);
            return $out;
        }
    }
}

$source = $debug = false;

$release = get('release');
$arch = get('arch');
$section = get('section');
$repo = get('repo');
$debug = get('debug');
$source = get('source');


$arraycheck =array( 
'release' => array('5', '6', '7', 'cauldron'),
'arch' => array('i586', 'x86_64', 'SRPMS', 'armv5tl', 'armv7hl', 'aarch64'),
'section' => array('core', 'nonfree', 'tainted'),
'repo' => array('release', 'updates', 'updates_testing', 'backports', 'backports_testing'),
);

if ($source){
    $link = "MIRROR/distrib/$release/SRPMS/$section/$repo/";
}elseif ($debug){
    $link = "MIRROR/distrib/$release/$arch/media/debug/$section/$repo/";
}else{
    $link = "MIRROR/distrib/$release/$arch/media/$section/$repo/";
}

if ($release && $arch && $section && $repo){
    $out = check($arraycheck);
    if (empty($out)){
        $wsd = new Downloads();
        $dl = $wsd->prepare_download(true, null, true, false, true);
        foreach ($dl['mirrors_list'] as $one_mirror) {
            $out .= str_replace('MIRROR', $one_mirror, $link) . "\n";
        }
    }
}else{
    $out = "Invalid options";
}
header('Content-Type: text/plain');
echo "$out\n";