AlliedModders - What is 'auth' and how does it relate to SteamID/Name?

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- - What is 'auth' and how does it relate to SteamID/Name? (https://forums.alliedmods.net/showthread.php?t=232880)

crayz

01-06-2014 07:01

What is 'auth' and how does it relate to SteamID/Name?

Is there any relation between a user's auth code and their Steam ID or name? Perhaps a user's IP address? Is the auth generated by the store plugin itself?

edit: I just discovered this handy snippet:

Code:

    $toks = explode(":", $steamid);

    $odd = (int)$toks[1];

    $halfAID = (int)$toks[2];



    return ($halfAID*2) + $odd;

https://forums.alliedmods.net/showpo...&postcount=234

Which is exactly what I was trying to figure out :-)

alongub

01-07-2014 13:31

Re: What is 'auth' and how does it relate to SteamID/Name?

It's the account id

crayz

01-08-2014 10:19

Re: What is 'auth' and how does it relate to SteamID/Name?

Quote:

Originally Posted by alongub (Post 2082597)

It's the account id

I was aware of this quickly after looking at the database structure, I saw the store didn't go by the actual steam id, 64 bit, or username, but instead the auth id. So I was seeking how the auth id is related to a steam id, but the snippet in op answered that for me :)

Arrow768

01-08-2014 10:57

Re: What is 'auth' and how does it relate to SteamID/Name?

These are the functions I used at the store webpanel:

PHP Code:


		
			
    function auth_to_steamid($authid)

    {

        $steam = array();

        $steam[0] = "STEAM_0";



        if ($authid % 2 == 0)

        {

            $steam[1] = 0;

        }

        else

        {

            $steam[1] = 1;

            $authid -= 1;

        }

        $steam[2] = $authid / 2;

        return $steam[0] . ":" . $steam[1] . ":" . $steam[2];

    }



    function steamid_to_auth($steamid)

    {

        //from https://forums.alliedmods.net/showpost.php?p=1890083&postcount=234

        $toks = explode(":", $steamid);

        $odd = (int) $toks[1];

        $halfAID = (int) $toks[2];



        return ($halfAID * 2) + $odd;

    }

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