116 lines
5.1 KiB
Java
116 lines
5.1 KiB
Java
package Launcher.net;
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import Launcher.Main;
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import Launcher.Tabs;
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import com.tofvesson.async.Async;
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import com.tofvesson.reflection.SafeReflection;
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import javafx.animation.Timeline;
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import javafx.scene.control.Label;
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import javafx.scene.layout.Pane;
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import javax.net.ssl.HttpsURLConnection;
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import java.io.*;
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import java.net.MalformedURLException;
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import java.net.URL;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import static Launcher.Main.semVerMajor;
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import static Launcher.Main.semVerMinor;
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import static Launcher.Main.semVerPatch;
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/**
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* Simple thing for updating launcher
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*/
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public class Updater {
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private static volatile Updater instance;
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private static Async<Updater> setup;
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public static final Pattern version = Pattern.compile("(?s)<span class=\"css-truncate-target\">.*?(\\d)\\.(\\d)\\.(\\d)</span>.*?<a href=\"/GabrielTofvesson/TeamAvionLauncher/releases/download/(.*?)\\.jar\" rel=\"nofollow\">"); // Pattern to match when finding refs
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private HttpsURLConnection conn;
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public static final URL updateURL;
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static {
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URL u = null;
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try { u = new URL("https://github.com/GabrielTofvesson/TeamAvionLauncher/releases"); } catch (MalformedURLException e) { e.printStackTrace(); }
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updateURL = u;
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}
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private Updater(Timeline t){
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try {
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conn = (HttpsURLConnection) updateURL.openConnection();
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conn.setDoOutput(true);
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conn.setDoInput(true);
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conn.setRequestMethod("GET");
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conn.setRequestProperty("User-Agent", "Mozilla/5.0");
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if(conn.getResponseCode()!=200){
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t.play();
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return; // Can't get update site
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}
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conn.connect();
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BufferedReader in = new BufferedReader(new InputStreamReader(
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conn.getInputStream()));
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String inputLine;
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StringBuilder response = new StringBuilder();
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while ((inputLine = in.readLine()) != null) response.append(inputLine);
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in.close();
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Matcher m = version.matcher(response.toString());
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String downloadLink = "";
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int semMajor = semVerMajor, semMinor = semVerMinor, semPatch = semVerPatch;
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while(m.find()){
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int semMaj = Integer.parseInt(m.group(1)),
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semMin = Integer.parseInt(m.group(2)),
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semPat = Integer.parseInt(m.group(3));
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if(semMaj < semMajor || (semMaj==semMajor && semMin<semMinor) ||
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(semMaj==semMajor && semMin==semMinor && semPat<=semPatch)) continue; // Version found isn't new
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downloadLink = "https://github.com/GabrielTofvesson/TeamAvionLauncher/releases/download/"+m.group(4)+".jar";
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semMajor = semMaj;
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semMinor = semMin;
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semPatch = semPat;
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}
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if(downloadLink.equals("")){
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t.play();
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return;
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}
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File f = new File("TAL-"+semMajor+"_"+semMinor+"_"+semPatch+".jar"), f1;
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if((f1=new File(Main.class.getResource("/assets/").getFile())).getParent().contains("!") &&
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f1.getParent().contains("file:")) // Find .jar representation of this program
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f1=new File(f1.getParent().substring(f1.getParent().indexOf("file:")+5, f1.getParent().length()-1)); // Prepare for deletion
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if(f.isFile()) f.renameTo(new File("-"+f.getName()));
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f.createNewFile();
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OutputStream o = new FileOutputStream(f);
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HttpsURLConnection dl = (HttpsURLConnection) new URL(downloadLink).openConnection(); // Downloader
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dl.setDoOutput(true);
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dl.setDoInput(true);
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dl.setRequestMethod("GET");
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dl.setRequestProperty("User-Agent", "Mozilla/5.0");
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if(dl.getResponseCode()!=200){
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t.play();
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return;
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}
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dl.connect();
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InputStream reader = dl.getInputStream();
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int i;
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byte[] buffer = new byte[256];
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while((i=reader.read(buffer))!=-1) o.write(buffer, 0, i);
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reader.close();
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o.close();
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System.out.println("Starting!");
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Runtime.getRuntime().exec("java -jar "+f.getName()+" "+f1.getAbsolutePath()+" "+false);
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System.exit(0);
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} catch (IOException e) {
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//e.printStackTrace();
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System.out.println("No internet connection available!");
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t.play();
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}
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}
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public static void checkUpdate(Timeline t){ setup = new Async<>(SafeReflection.getFirstConstructor(Updater.class), t); }
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public static Updater getInstance(Timeline t) {
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if(setup==null) checkUpdate(t);
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return instance==null?instance=setup.await():instance; // Await async creation
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}
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}
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