Add SPLServer support to loader

Loader/src/main/java/de/com/baseband/launcher/Loader.java

@@ -30,8 +30,10 @@ import oshi.hardware.Processor;
 import javax.swing.*;
 import java.awt.*;
 import java.io.*;
+import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.net.Socket;
+import java.net.URL;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Paths;
@@ -42,6 +44,7 @@ import java.util.HashMap;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.stream.Collectors;
 import java.util.zip.ZipEntry;
+import java.util.zip.ZipInputStream;
 import java.util.zip.ZipOutputStream;
 
 @Mod(modid = "baseband")
@@ -85,6 +88,18 @@ public class Loader implements Util {
             preOptions = new TCN();
         }
         preOptions.setIfAbsent("timeout", 5);
+        TCN branches;
+        try {
+            branches = JSON.read(new StreamReader(new URL("https://download.baseband.com.de/branches").openStream()).readAllAsString());
+        } catch (Exception e) {
+            exit();
+            return;
+        }
+
+        if(!GitHash.GIT_HASH.equals("[dev]") && !GitHash.GIT_HASH.equals(branches.getSub("loader").getString("commit"))) {
+            splUpdate();
+            return;
+        }
 
         TCN options = new ClientBoot("BaseBand", preOptions.getInteger("timeout") * 1000, preOptions)
                 .label("Start Minecraft:")
@@ -222,9 +237,18 @@ public class Loader implements Util {
                         .option("Set timeout: 5s", x1 -> x1.data.set("timeout", 5))
                         .option("Set timeout: 10s", x1 -> x1.data.set("timeout", 10))
                         .option("Back", ClientBoot::back))
-                .option("Set branch", x -> x.newScreen()
-                        .option("release (Broadway)", x1 -> x1.back().data.set("branch", "release"))
-                        .option("main (Iceland)", x1 -> x1.back().data.set("branch", "main")))
+                .option("Set branch", x -> {
+                    ClientBoot screen = x.newScreen();
+                    for (String entry : branches.map.keys()) {
+                        if(entry.equals("loader"))
+                            continue;
+
+                        screen.option(entry + " (" + branches.getSub(entry).getString("name") + ")", x1 -> x1.back().data.set("branch", entry));
+                    }
+                })
+                .option("Server mode", x -> x.newScreen()
+                        .option("SPL", x1 -> x1.back().data.set("server", "spl"))
+                        .option("Java", x1 -> x1.back().data.set("server", "java")))
                 .option("Persist changes", x -> {
                     try(FileOutputStream fos = new FileOutputStream("baseband_launch.json")) {
                         fos.write(JSON.writeReadable(x.data).getBytes(StandardCharsets.UTF_8));
@@ -235,10 +259,12 @@ public class Loader implements Util {
                 .spacer()
                 .option("Exit Minecraft", x -> exit(0))
                 .show();
+        options.setIfAbsent("server", "java");
         options.setIfAbsent("branch", "release");
         options.setIfAbsent("ip", "baseband.com.de");
         options.setIfAbsent("disabled-modules", new TCNArray());
 
+        if(options.getString("server").equals("java")) {
             try (Socket client = new Socket(options.getString("ip"), 40000)) {
                 client.setSoTimeout(5000);
                 client.getOutputStream().write(0);
@@ -274,8 +300,7 @@ public class Loader implements Util {
                         for (TLMap.Entry<String, Object> entry : options.map.entries()) {
                             if (entry.val instanceof TCNArray && clientData.get(entry.key) != null) {
                                 clientData.getArray(entry.key).addAll((TCNArray) entry.val);
-                        }
-                        else {
+                            } else {
                                 clientData.setIfAbsent(entry.key, entry.val);
                             }
                         }
@@ -290,8 +315,7 @@ public class Loader implements Util {
                                 downloadUpdated.waitHere(2000);
                                 if (downloadUpdated.isLocked()) {
                                     LOGGER.warn("No new BaseBand chunk has been downloaded in 2 seconds. Consider restarting your game.");
-                            }
-                            else if(System.currentTimeMillis() - lastUpdate >= 500) {
+                                } else if (System.currentTimeMillis() - lastUpdate >= 500) {
                                     //LOGGER.info("Downloading at {}KB/s...",  (int) ((bytes.get() / 1024f) * (System.currentTimeMillis() - lastUpdate) / 1000f));
                                     lastUpdate = System.currentTimeMillis();
                                     bytes.set(0);
@@ -332,6 +356,50 @@ public class Loader implements Util {
             }
         }
 
+        if(options.getString("server").equals("spl")) {
+            if(options.getBoolean("redownload")) {
+                splUpdate();
+            }
+
+            options.set("build-name", branches.getSub(options.getString("branch")).getString("name"));
+            HashMap<String, byte[]> data = downloadFromSPL("https://download.baseband.com.de/download/client/" + options.getString("branch"));
+            LOGGER.info("BaseBand downloaded: {} chunks.", data.size());
+            LOGGER.info("Booting BaseBand {} @ {}", options.getString("build-name"), new String(data.get("commit")).trim());
+            classLoader = new CustomClassLoader(data);
+            classLoader.inject();
+            classLoader.informClient(options);
+        }
+    }
+
+    private static void splUpdate() {
+        LOGGER.info("BaseBand is downloading a significant update...");
+        CustomClassLoader loaderReloader = new CustomClassLoader(downloadFromSPL("https://download.baseband.com.de/download/loader"));
+        loaderReloader.inject();
+        LOGGER.info("BaseBand has downloaded a significant update. Applying...");
+        try {
+            loaderReloader.loadClass(Tweaker.class.getName()).getMethod("load").invoke(null);
+        } catch (IllegalAccessException | InvocationTargetException | NoSuchMethodException |
+                 ClassNotFoundException e) {
+            JOptionPane.showMessageDialog(null, "BaseBand has downloaded a significant update. Please restart Minecraft.");
+            exit(0);
+        }
+    }
+
+    private static HashMap<String, byte[]> downloadFromSPL(String url) {
+        HashMap<String, byte[]> data = new HashMap<>();
+        try (ZipInputStream jar = new ZipInputStream(new URL(url).openStream())) {
+            ZipEntry entry;
+            while ((entry = jar.getNextEntry()) != null) {
+                byte[] bytes = new StreamReader(jar).readAllAsBytes();
+                data.put(entry.getName(), bytes);
+                jar.closeEntry();
+            }
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+        return data;
+    }
+
     public static void loaded(Class<?> baseBandClass) {
         LOGGER.info("BaseBand was loaded successfully.");
         Loader.baseBandClass = baseBandClass;

Loader/src/main/java/de/com/baseband/launcher/Tweaker.java

@@ -26,6 +26,9 @@ public class Tweaker implements ITweaker, IFMLLoadingPlugin {
     public static void loaded(Class<?> baseBandClass) {
         Loader.loaded(baseBandClass);
     }
+    public static void load() {
+        Loader.run();
+    }
 
     private final MixinTweaker wrapped;
 
@@ -40,7 +43,7 @@ public class Tweaker implements ITweaker, IFMLLoadingPlugin {
 
     @Override
     public void injectIntoClassLoader(LaunchClassLoader launchClassLoader) {
-        Loader.run();
+        load();
         wrapped.injectIntoClassLoader(launchClassLoader);
 
         Mixins.addConfiguration("mixins.baseband.json");