<?php
gatekeeper();
global $CONFIG;
$res = array('status' => 0);
$fname = get_input('filename');
if (strlen($fname)>0) {
    $rid = get_input('resource_id');
    $tok = get_input('upload_token');

    $w = waramu_get();
    if ($rid == "") {
        // reserve id
        $reserverid = $w->reserveID();
        $rid = $reserverid['id'][0][0];
        $res['resource_id'] = $rid;
    }

    function endsWith($haystack,$needle,$case=true) {
        $expectedPosition = strlen($haystack) - strlen($needle);

        if($case) {
            return strrpos($haystack, $needle, 0) === $expectedPosition;
        }
        return strripos($haystack, $needle, 0) === $expectedPosition;
    }

    $path = null;
    foreach ($CONFIG->curriculum_config['uploadpaths'] as $up) {
        foreach ($up['extensions'] as $u) {
            if (endsWith($fname, $u, false))
                $path = $up;
        }
    }
    if (is_null($path))
        $path = $CONFIG->curriculum_config['uploadpaths'][$CONFIG->curriculum_config['default_upload_index']];

    $res['schema'] = $path['schema'];
    $res['action'] = $path['path'];

    if ($tok == "") {
        // get a token
        $tok = call_user_func($path['tokenizer'], $rid);
        $res['upload_token'] = $tok;
    }

} else {
    $res['status'] = 1;
    $res['message'] = 'You didn\'t choose a file';
}
print json_encode($res);

?>