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Remove startup session swapping from unknit

main
Charlotte Som 2022-03-08 01:03:49 +00:00
parent ca66d553bd
commit ea9d543d32
2 changed files with 0 additions and 122 deletions
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105
src/main/java/site/hackery/unknit/auth/GameAuthenticationFlow.java
View File

@ -1,105 +0,0 @@
package site.hackery.unknit.auth;
import net.hycrafthd.minecraft_authenticator.login.AuthenticationException;
import net.hycrafthd.minecraft_authenticator.login.Authenticator;
import net.hycrafthd.minecraft_authenticator.login.User;
import net.hycrafthd.minecraft_authenticator.login.file.AuthenticationFile;
import net.minecraft.client.util.Session;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Optional;
public class GameAuthenticationFlow {
/**
* Creates an authenticated Minecraft session from given environment variables.
* AUTH_TYPE may be "mojang", "microsoft", or "refresh" (default).
* Under "mojang" authentication, you must supply the "AUTH_USERNAME" and "AUTH_PASSWORD" variables.
* Under "microsoft" authentication, you must supply the "AUTH_TOKEN" variable.
*
* @return a valid Session, or null
*/
public static Session createSessionFromEnvironment() {
try {
Authenticator.Builder readyAuth = createAuthenticator();
if (readyAuth != null) {
Authenticator authenticator = readyAuth.run();
Optional<User> userOpt = authenticator.getUser();
if (userOpt.isEmpty()) {
return null;
}
saveAuthData(authenticator.getResultFile());
User user = userOpt.get();
return new Session(user.getName(), user.getUuid(), user.getAccessToken(), Optional.empty(), Optional.empty(), Session.AccountType.byName(user.getType()));
}
} catch (AuthenticationException | IOException ignored) {
}
return null;
}
private static Path getAuthDataFile() {
String authFilePath = System.getenv("AUTH_DATA_FILE");
authFilePath = authFilePath == null ? "mc_auth.dat" : authFilePath;
return Paths.get(authFilePath);
}
private static Authenticator.Builder createAuthenticator() throws IOException {
String authType = System.getenv("AUTH_TYPE");
authType = authType == null ? "refresh" : authType;
switch (authType) {
case "mojang":
return createMojangAuthenticator();
case "microsoft":
return createMicrosoftAuthenticator();
case "refresh":
return createRefreshAuthenticator();
}
return null;
}
private static Authenticator.Builder createMojangAuthenticator() {
String username = System.getenv("AUTH_USERNAME");
String password = System.getenv("AUTH_PASSWORD");
if (username == null || password == null) {
throw new RuntimeException("Attempted to perform Mojang authentication without AUTH_USERNAME or AUTH_PASSWORD set.");
}
return Authenticator.ofYggdrasil("-", username, password).shouldAuthenticate();
}
private static Authenticator.Builder createMicrosoftAuthenticator() {
String token = System.getenv("AUTH_TOKEN");
if (token == null) {
throw new RuntimeException("Attempted to perform Microsoft authentication without AUTH_TOKEN set. You may want to visit " + Authenticator.microsoftLogin());
}
return Authenticator.ofMicrosoft(token).shouldAuthenticate();
}
private static Authenticator.Builder createRefreshAuthenticator() throws IOException {
Path authData = getAuthDataFile();
if (!Files.exists(authData)) {
return null;
}
try (InputStream inputStream = Files.newInputStream(authData)) {
AuthenticationFile file = AuthenticationFile.read(inputStream);
return Authenticator.of(file).shouldAuthenticate();
}
}
private static void saveAuthData(AuthenticationFile file) throws IOException {
try (OutputStream stream = Files.newOutputStream(getAuthDataFile())) {
file.write(stream);
}
}
}

17
src/main/java/site/hackery/unknit/mixin/MixinMinecraftMain.java
View File

@ -2,11 +2,9 @@ package site.hackery.unknit.mixin;
import net.minecraft.client.main.Main;
import net.minecraft.client.util.Session;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.ModifyVariable;
import site.hackery.unknit.auth.GameAuthenticationFlow;
import java.util.ArrayList;
import java.util.Arrays;
@ -26,26 +24,11 @@ public abstract class MixinMinecraftMain {
replace(arguments, "--versionType", "release");
}
private static void replaceSession(List<String> arguments, Session session) {
replace(arguments, "--accessToken", session.getAccessToken());
arguments.add("--username");
arguments.add(session.getUsername());
arguments.add("--uuid");
arguments.add(session.getUuid());
}
@ModifyVariable(method = "main", at = @At("HEAD"), argsOnly = true, remap = false)
private static String[] setArgs(String[] args) {
List<String> arguments = new ArrayList<>(Arrays.asList(args));
replaceVersion(arguments);
Session session = GameAuthenticationFlow.createSessionFromEnvironment();
if (session != null) {
replaceSession(arguments, session);
}
return arguments.toArray(new String[0]);
}
}