2022-09-22 18:09:24 +02:00
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# AltAuth
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2022-10-01 12:06:13 +02:00
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AltAuth is a solution to allow players with Mojang account, (untested) banned accounts and (untested) Multiplayer
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disabled accounts to join online mode Minecraft servers depending on client and server support.
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This works by redirecting the session server requests to a proxy specified by the server.
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In comparison to the trustless authentication method proposed by Aizistral
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https://github.com/Aizistral-Studios/Trustless-Authentication this authentication method enables joining of Mojang
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account players, prevents man in the middle attacks (like vanilla authentication) and is compatible to clients without
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AltAuth, but requires a trusted third/second party.
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## Usage
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The build/libs/AltAuth-*-all.jar (produced by running `./gradlew build`) is a valid Fabric (client and server 1.19.2),
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Bukkit/Spigot/Paper (1.8 - 1.19.2) and BungeeCord/Waterfall mod/plugin. The server needs to be in online mode and
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specify the domain or ip address of an AltAuth web proxy.
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Since https is a requirement and the example proxy `proxy.py` not yet supporting https the proxy has to run behind a
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https proxy currently. Configuration of the proxy can be done in the first lines of the proxy script.
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Banned and multiplayer disabled user support has not been tested yet and is therefore disabled by default.
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## AltAuth Protocol and Proxy behaviour
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