59 lines
2.7 KiB
Java
59 lines
2.7 KiB
Java
package io.gitlab.jfronny.dynres.mixin;
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import io.gitlab.jfronny.dynres.Cfg;
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import io.gitlab.jfronny.dynres.DynRes;
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import io.gitlab.jfronny.libjf.web.api.v1.WebServer;
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import io.gitlab.jfronny.libjf.web.impl.util.WebPaths;
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import net.minecraft.server.MinecraftServer;
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import net.minecraft.server.dedicated.ServerPropertiesHandler;
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import net.minecraft.text.Text;
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import org.jetbrains.annotations.Nullable;
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import org.spongepowered.asm.mixin.Mixin;
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import org.spongepowered.asm.mixin.Shadow;
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import org.spongepowered.asm.mixin.injection.At;
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import org.spongepowered.asm.mixin.injection.Inject;
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import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
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import java.io.IOException;
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import java.nio.charset.StandardCharsets;
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import java.nio.file.Files;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import java.util.Optional;
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import java.util.UUID;
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@Mixin(ServerPropertiesHandler.class)
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public abstract class ServerPropertiesHandlerMixin {
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@Shadow @Nullable
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private static Text parseResourcePackPrompt(String prompt) {
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throw new IllegalStateException("Mixin not applied");
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}
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@Inject(method = "getServerResourcePackProperties(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;ZLjava/lang/String;)Ljava/util/Optional;", at = @At("HEAD"), cancellable = true)
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private static void getServerResourcePackProperties(String id, String url, String sha1, String hash, boolean required, String prompt, CallbackInfoReturnable<Optional<MinecraftServer.ServerResourcePackProperties>> cir) {
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if (DynRes.packFile != null) {
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sha1 = "";
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if (Cfg.hashResources) {
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try {
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StringBuilder result = new StringBuilder();
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for (byte b : MessageDigest.getInstance("SHA-1").digest(Files.readAllBytes(DynRes.packFile))) {
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result.append(Integer.toString((b & 0xff) + 0x100, 16).substring(1));
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}
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sha1 = result.toString();
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DynRes.LOGGER.info("Set hash to {0}", sha1);
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} catch (IOException | NoSuchAlgorithmException e) {
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DynRes.LOGGER.error("Failed to get hash, continuing with empty", e);
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}
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}
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url = WebPaths.concat(WebServer.getInstance().getServerRoot(), "resources.zip");
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cir.setReturnValue(Optional.of(new MinecraftServer.ServerResourcePackProperties(
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UUID.nameUUIDFromBytes(url.getBytes(StandardCharsets.UTF_8)),
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url,
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sha1,
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required,
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parseResourcePackPrompt(prompt)
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)));
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}
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}
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}
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