distribution/source/pack/upload/install/proxy.php

<?php

// by 请勿倒卖,已申请软著,否则追究法律责任
include "../../../system/db.class.php";
db("salt")->where("in_time", "<", strtotime("-60 seconds"))->delete();
$proxy = explode("/", isset($_SERVER["PATH_INFO"]) ? $_SERVER["PATH_INFO"] : NULL);
$base = isset($proxy[1]) ? $proxy[1] : NULL;
$salt = SafeSql(str_replace(array(".ipa", ".apk"), array("", ""), $base));
$id = db("salt")->where("in_salt", $salt)->value("in_aid");
$id || exit("Access denied");
$app = db("appid")->where("in_id", $id)->find();
$size = filesize(IN_ROOT . "./data/attachment/" . $app["in_app"]);
header("Cache-Control: private");
header("Content-Type: application/octet-stream");
header("Content-Disposition: attachment; filename=" . $app["in_originalName"]);
header("Content-Transfer-Encoding:binary");
header("Accept-Ranges: bytes");
header("Expires:0");
header("Cache-Control:must-revalidate");
header("Pragma:public");
header("Content-Length: " . $size);
readfile(getapp($id, 1));