Set player entity token to player account instead of title

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amin-games asked Nov 8, '21

Set player entity token to player account instead of title

Hi guys,

In my game I use p2p connections so a player is the host. This player gets a title entity token to be able to create backfill tickets. I would like to know how to "reset" his token to a normal player account token to be able to get a matchmaking ticket again if he leaves the match and wants to queue up again.

ive used a rest query to get the title entity token in blueprints in ue4. Is there a http api call to get and set the entity token to a normal player token again? Or am i supposed to revoke the token somehow?

Thank you for your time

multiplayer

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amin-games commented · Nov 07, 2021 at 03:38 PM

I got it to work. Saved the entity token gotten from login in, and i set that as entity token again when im done with calling api's which need title token. Seemed to work. Don't know if that is the proper way.

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Answer 1 · 2021-11-08T06:52:27Z

Seth Du answered Nov 8, '21

Since you don't have a dedicated hosted server, how do you store title entity token? It is unsafe to let the client access title entity token, because with this token clients can do whatever they want to directly modify any players' any date. It will quickly destroy the economy and leaderboard of your game. In addition, entity token cannot be revoked, and it only becomes invalid after expiring.

May I ask what's the scenario? What is the functionality you want to implement? If I have more details, we may work out a solution.

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amin-games commented · Nov 08, 2021 at 08:19 AM

Hi Sethdu,

The scenario is as follow: My game uses P2P connection. One player in the game is the host. Minimum size to start match is 2, maximum is 8 with a rule that matchmaking starts with 8as minimum and reduces it to 2 every 5seconds. Once the game starts the Host submits a backfill ticket if there is room in the game.

So what i do is call entity token title level and then do the backfilling call. the game has no leaderboard or economy as of yet. If there is a different more secure way to do this i would like to know.

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Seth Du ♦ amin-games commented · Nov 12, 2021 at 03:00 AM

You may need to implement the backfill ticket in Cloud Script/Azure Function, which is safer. However, please also note that before this API is called, you should add necessary verification steps to ensure the caller is valid to call this function based on your gaming process.

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