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105 lines
5.4 KiB
Markdown
105 lines
5.4 KiB
Markdown
* **English**
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* [简体中文(Chinese Simplified)](https://github.com/yushijinhun/authlib-injector/blob/develop/README.md)
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# authlib-injector
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[](https://github.com/yushijinhun/authlib-injector/releases)
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[](https://github.com/yushijinhun/authlib-injector/actions?query=workflow%3ACI)
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[](https://github.com/yushijinhun/authlib-injector/blob/develop/LICENSE)
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authlib-injector enables you to build a Minecraft authentication system offering all the features that genuine Minecraft has.
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**[See the wiki](https://github.com/yushijinhun/authlib-injector/wiki) for documents and detailed descriptions.**
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## Download
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You can download the latest authlib-injector build from [here](https://authlib-injector.yushi.moe/).
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## Build
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Dependencies: Gradle, JDK 8+
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Run:
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```
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gradle
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```
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Build output can be found in `build/libs`.
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## Deploy
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Configure Minecraft server with the following JVM parameter:
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```
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-javaagent:{/path/to/authlib-injector.jar}={Authentication Server URL}
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```
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## Options
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```
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-Dauthlibinjector.mojangNamespace={default|enabled|disabled}
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Whether to enable Mojang namespace (@mojang suffix).
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It's enabled by default if the authentication server does NOT send feature.no_mojang_namespace option.
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If enabled, virtual player <username>@mojang will have the same skin as premium (Mojang) player <username>.
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For example,
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- /give @p minecraft:skull 1 3 {SkullOwner:"Notch@mojang"}
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- /npc skin Notch@mojang
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will display Notch's skin.
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Note that the virtual player does NOT have the same UUID as its corresponding premium player.
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To distinguish virtual players from actual ones, the most significant bit of time_hi_and_version is set to 1 (see RFC 4122 section 4.1.3).
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For example:
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069a79f4-44e9-4726-a5be-fca90e38aaf5 Notch
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069a79f4-44e9-c726-a5be-fca90e38aaf5 Notch@mojang
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We use this approach because, in RFC 4122, UUID version has only 6 possible values (0~5), which means the most significant is always 0.
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In fact, Mojang uses version-4 (random) UUID, so its corresponding virtual player has a version-12 UUID.
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-Dauthlibinjector.mojangProxy={proxy server URL}
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Use proxy when accessing Mojang authentication service.
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Only SOCKS protocol is supported.
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URL format: socks://<host>:<port>
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This proxy setting only affects Mojang namespace feature, and the proxy is used only when accessing Mojang's servers.
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To enable proxy for your customized authentication server, see https://docs.oracle.com/javase/8/docs/technotes/guides/net/proxies.html .
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-Dauthlibinjector.legacySkinPolyfill={default|enabled|disabled}
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Whether to polyfill legacy skin API, namely 'GET /skins/MinecraftSkins/{username}.png'.
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It's enabled by default if the authentication server does NOT send feature.legacy_skin_api option.
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-Dauthlibinjector.debug (equals -Dauthlibinjector.debug=verbose,authlib)
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or -Dauthlibinjector.debug={comma-separated debug options}
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Available debug options:
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- verbose enable verbose logging
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- authlib print logs from Mojang authlib
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- dumpClass dump modified classes
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- printUntransformed print classes that are analyzed but not transformed, implies 'verbose'
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-Dauthlibinjector.ignoredPackages={comma-separated package list}
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Ignore specified packages. Classes in these packages will not be analyzed or modified.
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-Dauthlibinjector.disableHttpd
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Disable local HTTP server.
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Features (see below) depending on local HTTP server will be unavailable:
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- Mojang namespace
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- Legacy skin API polyfill
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-Dauthlibinjector.noShowServerName
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Do not show authentication server name in Minecraft menu screen.
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By default, authlib-injector alters --versionType parameter to display the authentication server name.
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This feature can be disabled using this option.
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-Dauthlibinjector.mojangAntiFeatures={default|enabled|disabled}
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Whether to turn on Minecraft's anti-features.
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It's enabled by default if the authentication server does NOT send feature.enable_mojang_anti_features option.
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These anti-features include:
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- Minecraft server blocklist
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- The API to query user privileges:
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* Online chat (allowed if the option is disabled)
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* Multiplayer (allowed if the option is disabled)
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* Realms (allowed if the option is disabled)
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* Telemetry (turned off if the option is disabled)
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* Profanity filter (turned off if the option is disabled)
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-Dauthlibinjector.profileKey={default|enabled|disabled}
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Whether to enable the profile signing key feature. This feature is introduced in 22w17a, and is used to implement the multiplayer secure chat signing.
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If this this feature is enabled, Minecraft will send a POST request to /minecraftservices/player/certificates to retrieve the key pair issued by the authentication server.
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It's enabled by default if the authentication server sends feature.enable_profile_key option.
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If the profile signing key isn't present, the player will be unable to join servers that enable enforce-secure-profile=true option.
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And other players' Minecraft client will log a warning when receiving an unsigned chat message.
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```
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