gui: add new version notification

jadx-gui/build.gradle

@@ -6,6 +6,7 @@ dependencies {
     compile(project(":jadx-core"))
     compile(project(":jadx-cli"))
     compile 'com.fifesoft:rsyntaxtextarea:2.5.0'
+    compile 'com.google.code.gson:gson:2.2.4'
 }
 
 applicationDistribution.with {

jadx-gui/src/main/java/jadx/gui/ui/AboutDialog.java

 package jadx.gui.ui;
 
-import jadx.core.Jadx;
+import jadx.api.JadxDecompiler;
 import jadx.gui.utils.NLS;
 
+import javax.swing.BorderFactory;
 import javax.swing.Box;
 import javax.swing.BoxLayout;
 import javax.swing.JButton;
@@ -26,7 +27,7 @@ class AboutDialog extends JDialog {
 	public final void initUI() {
 		Font font = new Font("Serif", Font.BOLD, 13);
 
-		JLabel name = new JLabel("JADX");
+		JLabel name = new JLabel("jadx");
 		name.setFont(font);
 		name.setAlignmentX(0.5f);
 
@@ -34,11 +35,12 @@ class AboutDialog extends JDialog {
 		desc.setFont(font);
 		desc.setAlignmentX(0.5f);
 
-		JLabel version = new JLabel("version: " + Jadx.getVersion());
+		JLabel version = new JLabel("version: " + JadxDecompiler.getVersion());
 		version.setFont(font);
 		version.setAlignmentX(0.5f);
 
 		JPanel textPane = new JPanel();
+		textPane.setBorder(BorderFactory.createEmptyBorder(15, 15, 15, 15));
 		textPane.setLayout(new BoxLayout(textPane, BoxLayout.PAGE_AXIS));
 		textPane.add(Box.createRigidArea(new Dimension(0, 10)));
 		textPane.add(name);

jadx-gui/src/main/java/jadx/gui/ui/MainWindow.java

@@ -4,11 +4,15 @@ import jadx.gui.JadxWrapper;
 import jadx.gui.treemodel.JClass;
 import jadx.gui.treemodel.JNode;
 import jadx.gui.treemodel.JRoot;
+import jadx.gui.update.JadxUpdate;
+import jadx.gui.update.data.Release;
 import jadx.gui.utils.JadxPreferences;
+import jadx.gui.utils.Link;
 import jadx.gui.utils.NLS;
 import jadx.gui.utils.Position;
 import jadx.gui.utils.Utils;
 
+import javax.swing.Box;
 import javax.swing.ImageIcon;
 import javax.swing.JButton;
 import javax.swing.JCheckBoxMenuItem;
@@ -83,12 +87,25 @@ public class MainWindow extends JFrame {
 	private JCheckBoxMenuItem flatPkgMenuItem;
 	private JToggleButton flatPkgButton;
 	private boolean isFlattenPackage;
+	private Link updateLink;
 
 	public MainWindow(JadxWrapper wrapper) {
 		this.wrapper = wrapper;
 
 		initUI();
 		initMenuAndToolbar();
+		JadxUpdate.check(new JadxUpdate.IUpdateCallback() {
+			@Override
+			public void onUpdate(final Release r) {
+				SwingUtilities.invokeLater(new Runnable() {
+					@Override
+					public void run() {
+						updateLink.setText(String.format(NLS.str("menu.update_label"), r.getName()));
+						updateLink.setVisible(true);
+					}
+				});
+			}
+		});
 	}
 
 	public void openFile() {
@@ -96,16 +113,13 @@ public class MainWindow extends JFrame {
 		fileChooser.setAcceptAllFileFilterUsed(true);
 		fileChooser.setFileFilter(new FileNameExtensionFilter("supported files", "dex", "apk", "jar"));
 		fileChooser.setToolTipText(NLS.str("file.open"));
-		
 		String currentDirectory = JadxPreferences.getLastOpenFilePath();
 		if (!currentDirectory.isEmpty()) {
 			fileChooser.setCurrentDirectory(new File(currentDirectory));
 		}
-
 		int ret = fileChooser.showDialog(mainPanel, NLS.str("file.open"));
 		if (ret == JFileChooser.APPROVE_OPTION) {
 			JadxPreferences.putLastOpenFilePath(fileChooser.getCurrentDirectory().getPath());
-			
 			openFile(fileChooser.getSelectedFile());
 		}
 	}
@@ -125,12 +139,11 @@ public class MainWindow extends JFrame {
 		if (!currentDirectory.isEmpty()) {
 			fileChooser.setCurrentDirectory(new File(currentDirectory));
 		}
-		
+
 		int ret = fileChooser.showDialog(mainPanel, NLS.str("file.select"));
 		if (ret == JFileChooser.APPROVE_OPTION) {
 			JadxPreferences.putLastSaveFilePath(fileChooser.getCurrentDirectory().getPath());
-			
-			ProgressMonitor progressMonitor = new ProgressMonitor(mainPanel, "Saving sources", "", 0, 100);
+			ProgressMonitor progressMonitor = new ProgressMonitor(mainPanel, NLS.str("msg.saving_sources"), "", 0, 100);
 			progressMonitor.setMillisToPopup(500);
 			wrapper.saveAll(fileChooser.getSelectedFile(), progressMonitor);
 		}
@@ -378,6 +391,11 @@ public class MainWindow extends JFrame {
 		forwardButton.setToolTipText(NLS.str("nav.forward"));
 		toolbar.add(forwardButton);
 
+		toolbar.add(Box.createHorizontalGlue());
+		updateLink = new Link("", JadxUpdate.JADX_RELEASES_URL);
+		updateLink.setVisible(false);
+		toolbar.add(updateLink);
+
 		mainPanel.add(toolbar, BorderLayout.NORTH);
 	}
 

jadx-gui/src/main/java/jadx/gui/update/JadxUpdate.java

+package jadx.gui.update;
+
+import jadx.api.JadxDecompiler;
+import jadx.gui.update.data.Release;
+
+import java.io.InputStreamReader;
+import java.io.Reader;
+import java.lang.reflect.Type;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.Iterator;
+import java.util.List;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.gson.Gson;
+import com.google.gson.reflect.TypeToken;
+
+public class JadxUpdate {
+	private static final Logger LOG = LoggerFactory.getLogger(JadxUpdate.class);
+
+	public static final String JADX_RELEASES_URL = "https://github.com/skylot/jadx/releases";
+
+	private static final String GITHUB_API_URL = "https://api.github.com/";
+	private static final String GITHUB_RELEASES_URL = GITHUB_API_URL + "repos/skylot/jadx/releases";
+
+	private static final Gson GSON = new Gson();
+
+	private static final Type RELEASES_LIST_TYPE = new TypeToken<List<Release>>() {}.getType();
+
+	private static final Comparator<Release> RELEASE_COMPARATOR = new Comparator<Release>() {
+		@Override
+		public int compare(Release o1, Release o2) {
+			return VersionComparator.checkAndCompare(o1.getName(), o2.getName());
+		}
+	};
+
+	public static interface IUpdateCallback {
+		void onUpdate(Release r);
+	}
+
+	public static void check(final IUpdateCallback callback) {
+		Runnable run =  new Runnable() {
+			@Override
+			public void run() {
+				try {
+					Release release = checkForNewRelease();
+					if (release != null) {
+						callback.onUpdate(release);
+					}
+				} catch (Exception e) {
+					LOG.debug("Jadx update error", e);
+				}
+			}
+		};
+		Thread thread = new Thread(run);
+		thread.setName("Jadx update thread");
+		thread.setPriority(Thread.MIN_PRIORITY);
+		thread.start();
+	}
+
+	private static Release checkForNewRelease() throws Exception {
+		String version = JadxDecompiler.getVersion();
+		if (version.contains("dev")) {
+			LOG.debug("Ignore check for update: development version");
+			return null;
+		}
+
+		List<Release> list = get(GITHUB_RELEASES_URL, RELEASES_LIST_TYPE);
+		if (list == null) {
+			return null;
+		}
+		for (Iterator<Release> it = list.iterator(); it.hasNext(); ) {
+			Release release = it.next();
+			if (release.getName().equalsIgnoreCase(version)
+					|| release.isPrerelease()) {
+				it.remove();
+			}
+		}
+		if (list.isEmpty()) {
+			return null;
+		}
+		Collections.sort(list, RELEASE_COMPARATOR);
+		Release latest = list.get(list.size() - 1);
+		if (VersionComparator.checkAndCompare(version, latest.getName()) == 0) {
+			return null;
+		}
+		LOG.debug("Found new version: {}", latest);
+		return latest;
+	}
+
+	private static <T> T get(String url, Type type) throws Exception {
+		URL obj = new URL(url);
+		HttpURLConnection con = (HttpURLConnection) obj.openConnection();
+		con.setRequestMethod("GET");
+		if (con.getResponseCode() == 200) {
+			Reader reader = new InputStreamReader(con.getInputStream());
+			return GSON.fromJson(reader, type);
+		}
+		return null;
+	}
+}

jadx-gui/src/main/java/jadx/gui/update/VersionComparator.java

+package jadx.gui.update;
+
+public class VersionComparator {
+
+	public static int checkAndCompare(String str1, String str2) {
+		try {
+			return compare(clean(str1), clean(str2));
+		} catch (NumberFormatException e) {
+			return -2;
+		}
+	}
+
+	private static String clean(String str) {
+		String result = str.trim().toLowerCase();
+		if (result.charAt(0) == 'v') {
+			result = result.substring(1);
+		}
+		return result;
+	}
+
+	public static int compare(String str1, String str2) {
+		String[] s1 = str1.split("\\.");
+		int l1 = s1.length;
+		String[] s2 = str2.split("\\.");
+		int l2 = s2.length;
+
+		int i = 0;
+		// skip equals parts
+		while (i < l1 && i < l2) {
+			if (!s1[i].equals(s2[i])) {
+				break;
+			}
+			i++;
+		}
+		// compare first non-equal ordinal number
+		if (i < l1 && i < l2) {
+			return Integer.valueOf(s1[i]).compareTo(Integer.valueOf(s2[i]));
+		}
+		boolean checkFirst = l1 > l2;
+		boolean zeroTail = isZeroTail(checkFirst ? s1 : s2, i);
+		if (zeroTail) {
+			return 0;
+		}
+		return checkFirst ? 1 : -1;
+	}
+
+	private static boolean isZeroTail(String[] arr, int pos) {
+		for (int i = pos; i < arr.length; i++) {
+			String s = arr[i];
+			if (Integer.valueOf(s) != 0) {
+				return false;
+			}
+		}
+		return true;
+	}
+}

jadx-gui/src/main/java/jadx/gui/update/data/Asset.java

+package jadx.gui.update.data;
+
+public class Asset {
+	private int id;
+	private String url;
+	private String name;
+	private String label;
+	private long size;
+	private int download_count;
+
+	public int getId() {
+		return id;
+	}
+
+	public void setId(int id) {
+		this.id = id;
+	}
+
+	public String getUrl() {
+		return url;
+	}
+
+	public void setUrl(String url) {
+		this.url = url;
+	}
+
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+	public String getLabel() {
+		return label;
+	}
+
+	public void setLabel(String label) {
+		this.label = label;
+	}
+
+	public long getSize() {
+		return size;
+	}
+
+	public void setSize(long size) {
+		this.size = size;
+	}
+
+	public int getDownload_count() {
+		return download_count;
+	}
+
+	public void setDownload_count(int download_count) {
+		this.download_count = download_count;
+	}
+}

jadx-gui/src/main/java/jadx/gui/update/data/Release.java

+package jadx.gui.update.data;
+
+import java.util.List;
+
+public class Release {
+	private int id;
+	private String name;
+	private boolean prerelease;
+	private List<Asset> assets;
+
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+	public int getId() {
+		return id;
+	}
+
+	public void setId(int id) {
+		this.id = id;
+	}
+
+	public boolean isPrerelease() {
+		return prerelease;
+	}
+
+	public void setPrerelease(boolean prerelease) {
+		this.prerelease = prerelease;
+	}
+
+	public List<Asset> getAssets() {
+		return assets;
+	}
+
+	public void setAssets(List<Asset> assets) {
+		this.assets = assets;
+	}
+
+	@Override
+	public String toString() {
+		StringBuilder sb = new StringBuilder();
+		sb.append(name);
+		for (Asset asset : getAssets()) {
+			sb.append('\n');
+			sb.append("  ").append(asset.getName())
+					.append(", asset id: ").append(asset.getId())
+					.append(", size: ").append(asset.getSize())
+					.append(", dc: ").append(asset.getDownload_count());
+		}
+		return sb.toString();
+	}
+}

jadx-gui/src/main/java/jadx/gui/utils/Link.java

+package jadx.gui.utils;
+
+import javax.swing.JLabel;
+import javax.swing.JOptionPane;
+import javax.swing.JTextArea;
+import java.awt.Color;
+import java.awt.Cursor;
+import java.awt.Desktop;
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseListener;
+import java.io.IOException;
+import java.net.URISyntaxException;
+import java.util.Map;
+
+import static java.awt.Desktop.Action;
+
+public class Link extends JLabel implements MouseListener {
+	private String url;
+
+	public Link(String text, String url) {
+		super(text);
+		this.url = url;
+		this.setToolTipText("Open " + url + " in your browser");
+		this.addMouseListener(this);
+		this.setForeground(Color.BLUE);
+	}
+
+	@Override
+	public void mouseClicked(MouseEvent arg0) {
+		browse();
+	}
+
+	@Override
+	public void mouseEntered(MouseEvent arg0) {
+		setCursor(new Cursor(Cursor.HAND_CURSOR));
+	}
+
+	@Override
+	public void mouseExited(MouseEvent arg0) {
+		setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
+	}
+
+	@Override
+	public void mousePressed(MouseEvent arg0) {
+	}
+
+	@Override
+	public void mouseReleased(MouseEvent arg0) {
+	}
+
+	private void browse() {
+		if (Desktop.isDesktopSupported()) {
+			Desktop desktop = Desktop.getDesktop();
+			if (desktop.isSupported(Action.BROWSE)) {
+				try {
+					desktop.browse(new java.net.URI(url));
+					return;
+				} catch (IOException e) {
+					e.printStackTrace();
+				} catch (URISyntaxException e) {
+					e.printStackTrace();
+				}
+			}
+		}
+		try {
+			String os = System.getProperty("os.name").toLowerCase();
+			if (os.contains("win")) {
+				Runtime.getRuntime().exec("rundll32 url.dll,FileProtocolHandler " + url);
+				return;
+			}
+			if (os.contains("mac")) {
+				Runtime.getRuntime().exec("open " + url);
+				return;
+			}
+			Map<String, String> env = System.getenv();
+			if (env.get("BROWSER") != null) {
+				Runtime.getRuntime().exec(env.get("BROWSER") + " " + url);
+				return;
+			}
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+		showUrlDialog();
+	}
+
+	private void showUrlDialog() {
+		JTextArea urlArea = new JTextArea("Can't open browser. Please browse to:\n"+url);
+		JOptionPane.showMessageDialog(null, urlArea);
+	}
+}

jadx-gui/src/main/resources/i18n/Messages_en_US.properties

@@ -7,6 +7,7 @@ menu.search=Search ...
 menu.find_in_file=Find in ...
 menu.help=Help
 menu.about=About
+menu.update_label=New version %s available!
 
 file.open=Open file
 file.save=Save file
@@ -43,3 +44,4 @@ search_dialog.field=Field
 search_dialog.code=Code
 
 msg.open_file=Please open file
+msg.saving_sources=Saving sources

jadx-gui/src/test/groovy/jadx/gui/tests/TestVersionsComparator.groovy

+package jadx.gui.tests
+
+import jadx.gui.update.VersionComparator
+import spock.lang.Specification
+
+class TestVersionsComparator extends Specification {
+
+    def "test"() {
+        expect:
+        VersionComparator.compare(s1, s2) == expected
+        VersionComparator.compare(s2, s1) == -expected
+
+        where:
+        s1      | s2        | expected
+        ""      | ""        | 0
+        "1"     | "1"       | 0
+        "1"     | "2"       | -1
+        "1.1"   | "1.1"     | 0
+        "0.5"   | "0.5"     | 0
+        "0.5"   | "0.5.0"   | 0
+        "0.5"   | "0.5.00"  | 0
+        "0.5"   | "0.5.0.0" | 0
+        "0.5"   | "0.5.0.1" | -1
+        "0.5.0" | "0.5.0"   | 0
+        "0.5.0" | "0.5.1"   | -1
+        "0.5"   | "0.5.1"   | -1
+        "0.4.8" | "0.5"     | -1
+        "0.4.8" | "0.5.0"   | -1
+        "0.4.8" | "0.6"     | -1
+    }
+}