Probably should use TFTP actually

src/buttondevteam/website/ButtonWebsiteModule.java

@@ -111,6 +111,9 @@ public class ButtonWebsiteModule extends JavaPlugin {
 	@Override
 	public void onEnable() {
 		addPage(new IndexPage());
+		addPage(new AutoUpdatePage());
+		addPage(new LoginPage());
+		addPage(new ProfilePage());
 		TBMCCoreAPI.RegisterUserClass(WebUser.class);
 		Bukkit.getScheduler().runTaskAsynchronously(this, () -> {
 			this.getLogger().info("Starting webserver...");

src/buttondevteam/website/page/AutoUpdatePage.java

@@ -0,0 +1,35 @@
+package buttondevteam.website.page;
+
+import java.io.IOException;
+import java.util.stream.Collectors;
+
+import com.sun.net.httpserver.HttpExchange;
+
+import buttondevteam.website.io.IOHelper;
+import buttondevteam.website.io.Response;
+
+public class AutoUpdatePage extends Page {
+
+	@Override
+	public String GetName() {
+		return "autoupdate";
+	}
+
+	@Override
+	public Response handlePage(HttpExchange exchange) {
+		if (exchange.getRequestHeaders().containsKey("Expect")
+				&& exchange.getRequestHeaders().get("Expect").contains("100-continue"))
+			try {
+				exchange.sendResponseHeaders(100, -1);
+				exchange.getResponseBody().close();
+			} catch (IOException e1) {
+				e1.printStackTrace();
+			}
+		return new Response(200,
+				"Headers:\n" + exchange.getRequestHeaders().entrySet().stream()
+						.map(e -> e.getKey() + ": " + e.getValue().stream().collect(Collectors.joining(" ")))
+						.collect(Collectors.joining("\n")) + "\nPOST: " + IOHelper.GetPOST(exchange),
+				exchange);
+	}
+
+}

src/buttondevteam/website/page/Page.java

@@ -22,7 +22,7 @@ public abstract class Page implements HttpHandler {
 			if (exchange.getRequestURI().getPath().equals("/" + GetName()))
 				IOHelper.SendResponse(handlePage(exchange));
 			else {
-				IOHelper.SendResponse(404, "404 Not found", exchange);
+				IOHelper.SendResponse(404, "404 Not found: " + exchange.getRequestURI().getPath(), exchange);
 			}
 		} catch (Exception e) {
 			TBMCCoreAPI.SendException("Internal Server Error in ButtonWebsiteModule!", e);