<?php
if(defined("COMMON")) return;
define("COMMON", 1);

define("NULLKEY", "00000000-0000-0000-0000-000000000000");


function get_DB() {
    return mysqli_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);


}

function getJsonizedInput() {
    $js = file_get_contents("php://input");
    return json_decode($js,true);
}


function rewrite_DB_conf($host, $user, $pass, $db)
{
    $ptl = "<"."?php\n"
        . "define(\"DB_HOST\", \"$host\");\n"
        . "define(\"DB_USER\", \"$user\");\n"
        . "define(\"DB_PASS\", \"$pass\");\n"
        . "define(\"DB_NAME\", \"$db\");\n"
        . "?".">";

    file_put_contents("../database.user.php", $ptl);
}

function rewriteSystemInclude($psk, $clientPSK)
{
    $ptl = "<"."?php\n"
        . "define(\"PSK\", \"$psk\");\n"
        . "define(\"CLIENTPSK\", \"$clientPSK\");\n"
        . "?".">";

    file_put_contents("../system.user.php", $ptl);
}

if(file_exists("../database.user.php"))
    require("../database.user.php");

if(file_exists("../system.user.php"))
    require("../system.user.php");


function gen_uuid()
{
    return sprintf(
        '%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
        // 32 bits for "time_low"
        mt_rand(0, 0xffff),
        mt_rand(0, 0xffff),

        // 16 bits for "time_mid"
        mt_rand(0, 0xffff),

        // 16 bits for "time_hi_and_version",
        // four most significant bits holds version number 4
        mt_rand(0, 0x0fff) | 0x4000,

        // 16 bits, 8 bits for "clk_seq_hi_res",
        // 8 bits for "clk_seq_low",
        // two most significant bits holds zero and one for variant DCE1.1
        mt_rand(0, 0x3fff) | 0x8000,

        // 48 bits for "node"
        mt_rand(0, 0xffff),
        mt_rand(0, 0xffff),
        mt_rand(0, 0xffff)
    );
}
?>