runelite-client: load vanilla client if an update has occured

http-api/src/main/java/net/runelite/http/api/updatecheck/UpdateCheckClient.java

@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2017, Adam <Adam@sigterm.info>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package net.runelite.http.api.updatecheck;
+
+import com.google.gson.JsonParseException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import net.runelite.http.api.RuneliteAPI;
+import okhttp3.HttpUrl;
+import okhttp3.Request;
+import okhttp3.Response;
+import okhttp3.ResponseBody;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class UpdateCheckClient
+{
+	private static final Logger logger = LoggerFactory.getLogger(UpdateCheckClient.class);
+
+	public boolean isOutdated()
+	{
+		HttpUrl url = RuneliteAPI.getApiBase().newBuilder()
+			.addPathSegment("update-check")
+			.build();
+
+		logger.debug("Built URI: {}", url);
+
+		Request request = new Request.Builder()
+			.url(url)
+			.build();
+
+		try (Response response = RuneliteAPI.CLIENT.newCall(request).execute())
+		{
+			ResponseBody body = response.body();
+
+			InputStream in = body.byteStream();
+			return RuneliteAPI.GSON.fromJson(new InputStreamReader(in), boolean.class);
+		}
+		catch (JsonParseException | IOException ex)
+		{
+			logger.debug("Unable to update-check", ex);
+			return false;
+		}
+	}
+}

runelite-client/src/main/java/net/runelite/client/ClientLoader.java

@@ -22,12 +22,12 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-
 package net.runelite.client;
 
 import java.applet.Applet;
 import java.io.IOException;
-import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLClassLoader;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -35,7 +35,7 @@ public class ClientLoader
 {
 	private static final Logger logger = LoggerFactory.getLogger(ClientLoader.class);
 
-	public Applet load() throws MalformedURLException, ClassNotFoundException, IOException, InstantiationException, IllegalAccessException
+	public Applet loadRunelite() throws ClassNotFoundException, IOException, InstantiationException, IllegalAccessException
 	{
 		ConfigLoader config = new ConfigLoader();
 
@@ -43,6 +43,7 @@ public class ClientLoader
 
 		String initialClass = config.getProperty(ConfigLoader.INITIAL_CLASS).replace(".class", "");
 
+		// the injected client is a runtime scoped dependency
 		Class<?> clientClass = this.getClass().getClassLoader().loadClass(initialClass);
 		Applet rs = (Applet) clientClass.newInstance();
 
@@ -50,4 +51,31 @@ public class ClientLoader
 
 		return rs;
 	}
+
+	public Applet loadVanilla() throws IOException, ClassNotFoundException, InstantiationException, IllegalAccessException
+	{
+		ConfigLoader config = new ConfigLoader();
+
+		config.fetch();
+
+		String codebase = config.getProperty(ConfigLoader.CODEBASE);
+		String initialJar = config.getProperty(ConfigLoader.INITIAL_JAR);
+		String initialClass = config.getProperty(ConfigLoader.INITIAL_CLASS).replace(".class", "");
+
+		URL url = new URL(codebase + initialJar);
+
+		// Must set parent classloader to null, or it will pull from
+		// this class's classloader first
+		URLClassLoader classloader = new URLClassLoader(new URL[]
+		{
+			url
+		}, null);
+
+		Class<?> clientClass = classloader.loadClass(initialClass);
+		Applet rs = (Applet) clientClass.newInstance();
+
+		rs.setStub(new RSStub(config, rs));
+
+		return rs;
+	}
 }

runelite-client/src/main/java/net/runelite/client/ConfigLoader.java

@@ -22,47 +22,39 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-
 package net.runelite.client;
 
 import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStreamReader;
-import java.net.MalformedURLException;
-import java.net.URL;
-import java.net.URLConnection;
 import java.util.HashMap;
 import java.util.Map;
+import net.runelite.http.api.RuneliteAPI;
+import okhttp3.HttpUrl;
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
 
 public class ConfigLoader
 {
-	private static URL configURL;
+	private static final OkHttpClient CLIENT = RuneliteAPI.CLIENT;
+	private static final HttpUrl CONFIG_URL = HttpUrl.parse("http://oldschool.runescape.com/jav_config.ws"); // https redirects us to rs3
 
 	public static final String CODEBASE = "codebase";
 	public static final String INITIAL_JAR = "initial_jar";
 	public static final String INITIAL_CLASS = "initial_class";
-	public static final String APP_MINWIDTH = "applet_minwidth";
-	public static final String APP_MINHEIGHT = "applet_minheight";
 
 	private final Map<String, String> properties = new HashMap<>(),
 		appletProperties = new HashMap<>();
 
-	static
-	{
-		try
-		{
-			configURL = new URL("http://oldschool.runescape.com/jav_config.ws"); // https redirects us to rs3
-		}
-		catch (MalformedURLException ex)
-		{
-			ex.printStackTrace();
-		}
-	}
-	
 	public void fetch() throws IOException
 	{
-		URLConnection conn = configURL.openConnection();
-		try (BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream())))
+		Request request = new Request.Builder()
+			.url(CONFIG_URL)
+			.build();
+
+		try (Response response = CLIENT.newCall(request).execute();
+			BufferedReader in = new BufferedReader(new InputStreamReader(response.body().byteStream())))
 		{
 			String str;
 
@@ -71,7 +63,9 @@ public class ConfigLoader
 				int idx = str.indexOf('=');
 
 				if (idx == -1)
+				{
 					continue;
+				}
 
 				String s = str.substring(0, idx);
 

runelite-client/src/main/java/net/runelite/client/ui/ClientPanel.java

@@ -32,6 +32,7 @@ import javax.swing.JPanel;
 import net.runelite.api.Client;
 import net.runelite.client.ClientLoader;
 import net.runelite.client.RuneLite;
+import net.runelite.http.api.updatecheck.UpdateCheckClient;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -58,23 +59,36 @@ final class ClientPanel extends JPanel
 
 		ClientLoader loader = new ClientLoader();
 
-		rs = loader.load();
+		UpdateCheckClient updateCheck = new UpdateCheckClient();
+		boolean isOutdated = updateCheck.isOutdated();
+		if (isOutdated)
+		{
+			logger.info("Runelite is outdated - fetching vanilla client");
+			rs = loader.loadVanilla();
+		}
+		else
+		{
+			logger.debug("Runelite is up to date");
+			rs = loader.loadRunelite();
+		}
+
 		rs.setLayout(null);
 		rs.init();
 		rs.start();
 		add(rs, BorderLayout.CENTER);
 
-		Client client = null;
-		try
+		if (isOutdated)
 		{
-			client = new Client((net.runelite.rs.api.Client) rs);
+			return;
 		}
-		catch (Exception ex)
+
+		if (!(rs instanceof net.runelite.rs.api.Client))
 		{
-			logger.warn("Unable to create client", ex);
+			logger.error("Injected client does not implement Client!");
 			System.exit(-1);
 		}
 
+		Client client = new Client((net.runelite.rs.api.Client) rs);
 		RuneLite.setClient(client);
 	}