95 lines
4.1 KiB
Java
95 lines
4.1 KiB
Java
package cloudburst.rejects.commands;
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import com.google.gson.*;
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import com.mojang.brigadier.builder.LiteralArgumentBuilder;
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import com.mojang.brigadier.exceptions.CommandSyntaxException;
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import com.mojang.brigadier.exceptions.SimpleCommandExceptionType;
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import meteordevelopment.meteorclient.systems.commands.Command;
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import meteordevelopment.meteorclient.systems.commands.arguments.PlayerArgumentType;
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import meteordevelopment.meteorclient.utils.network.Http;
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import net.minecraft.command.CommandSource;
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import net.minecraft.entity.player.PlayerEntity;
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import net.minecraft.text.LiteralText;
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import org.apache.commons.codec.binary.Base64;
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import org.lwjgl.BufferUtils;
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import org.lwjgl.PointerBuffer;
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import org.lwjgl.system.MemoryUtil;
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import org.lwjgl.util.tinyfd.TinyFileDialogs;
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import java.io.*;
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import java.net.URL;
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import java.nio.ByteBuffer;
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import java.nio.charset.StandardCharsets;
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import static com.mojang.brigadier.Command.SINGLE_SUCCESS;
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public class SaveSkinCommand extends Command {
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private final static SimpleCommandExceptionType IO_EXCEPTION = new SimpleCommandExceptionType(new LiteralText("An IOException occurred"));
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private final PointerBuffer filters;
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private final Gson GSON = new Gson();
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public SaveSkinCommand() {
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super("save-skin","Download a player's skin by name.", "skin","skinsteal");
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filters = BufferUtils.createPointerBuffer(1);
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ByteBuffer pngFilter = MemoryUtil.memASCII("*.png");
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filters.put(pngFilter);
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filters.rewind();
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}
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@Override
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public void build(LiteralArgumentBuilder<CommandSource> builder) {
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builder.then(argument("player", PlayerArgumentType.player()).executes(ctx -> {
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PlayerEntity playerEntity = ctx.getArgument("player", PlayerEntity.class);
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String path = TinyFileDialogs.tinyfd_saveFileDialog("Save image", null, filters, null);
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if (path == null) IO_EXCEPTION.create();
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if (!path.endsWith(".png")) path += ".png";
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saveSkin(playerEntity.getUuidAsString(),path);
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return SINGLE_SUCCESS;
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}));
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}
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private void saveSkin(String uuid, String path) throws CommandSyntaxException {
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try {
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//going to explain what happens so I don't forget
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//request their minecraft profile, all so we can get a base64 encoded string that contains ANOTHER json that then has the skin URL
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String PROFILE_REQUEST_URL = "https://sessionserver.mojang.com/session/minecraft/profile/%s";
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JsonObject object = Http.get(String.format(PROFILE_REQUEST_URL, uuid)).sendJson(JsonObject.class);
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//Get the properties array which has what we need
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JsonArray array = object.getAsJsonArray("properties");
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JsonObject property = array.get(0).getAsJsonObject();
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//value is what we grab but it's encoded so we have to decode it
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String base64String = property.get("value").getAsString();
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byte[] bs = Base64.decodeBase64(base64String);
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//Convert the response to json and pull the skin url from there
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String secondResponse = new String(bs, StandardCharsets.UTF_8);
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JsonObject finalResponseObject = GSON.fromJson(secondResponse, JsonObject.class);
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JsonObject texturesObject = finalResponseObject.getAsJsonObject("textures");
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JsonObject skinObj = texturesObject.getAsJsonObject("SKIN");
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String skinURL = skinObj.get("url").getAsString();
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InputStream in = new BufferedInputStream(new URL(skinURL).openStream());
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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byte[] buf = new byte[1024];
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int n = 0;
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while (-1 != (n = in.read(buf))) {
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out.write(buf, 0, n);
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}
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out.close();
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in.close();
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byte[] response = out.toByteArray();
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File file = new File(path);
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FileOutputStream fos = new FileOutputStream(file.getPath());
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fos.write(response);
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fos.close();
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} catch (IOException e) {
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throw IO_EXCEPTION.create();
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}
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}
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}
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