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Feature/flatpak update portal #117

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84fda70
Start FlatpakUpdater
purejava Jun 28, 2025
12ee5d2
Re-spawn application
purejava Jul 5, 2025
10c9d25
CreateUpdateMonitor on startup
purejava Jul 6, 2025
40d1481
Run UpdateCheckerTask
purejava Jul 12, 2025
e28d20a
Use @DistributionChannel
purejava Jul 13, 2025
096bacd
Use getlatestReleaseFor
purejava Jul 13, 2025
7dfa971
Use getLatestReleaseChecker from integrations-api
purejava Jul 20, 2025
746af26
Trigger updating the app and spawn a new instance of the app
purejava Jul 20, 2025
f1d12e8
Use Listeners from integrations-api
purejava Jul 20, 2025
467a86b
Guard process, as it is not always set
purejava Jul 22, 2025
77edc0d
Spawn latest update
purejava Jul 27, 2025
549c46f
Complete signals
purejava Jul 30, 2025
a2607d7
Change flatpak-update-portal version
purejava Jul 30, 2025
4976dde
Correlate with API as suggested in a separate PoC: UpdateMechanism an…
purejava Aug 2, 2025
2aa7b15
hide internals behind new API facade
overheadhunter Aug 8, 2025
08a7742
compare versions
overheadhunter Aug 9, 2025
ffb84d8
adjust to API changes
overheadhunter Oct 21, 2025
f4d2b6b
Update to latest flatpak-update-portal version
purejava Oct 31, 2025
d20b008
Merge branch 'develop' into feature/flatpak-update-portal
purejava Nov 7, 2025
3e8f57e
Merge branch 'develop' into feature/flatpak-update-portal
overheadhunter Nov 7, 2025
92a010c
adjust to API, check with provided http client
overheadhunter Nov 7, 2025
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8 changes: 7 additions & 1 deletion pom.xml
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Expand Up @@ -40,9 +40,10 @@

<!-- runtime dependencies -->

<api.version>1.6.0</api.version>
<api.version>1.7.0-SNAPSHOT</api.version>
<secret-service.version>2.0.1-alpha</secret-service.version>
<kdewallet.version>1.4.0</kdewallet.version>
<flatpakupdateportal.version>1.0.0</flatpakupdateportal.version>
<slf4j.version>2.0.17</slf4j.version>
<appindicator.version>1.4.2</appindicator.version>

Expand Down Expand Up @@ -88,6 +89,11 @@
<artifactId>libappindicator-gtk3-java-minimal</artifactId>
<version>${appindicator.version}</version>
</dependency>
<dependency>
<groupId>org.purejava</groupId>
<artifactId>flatpak-update-portal</artifactId>
<version>${flatpakupdateportal.version}</version>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter</artifactId>
Expand Down
7 changes: 6 additions & 1 deletion src/main/java/module-info.java
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Expand Up @@ -3,20 +3,23 @@
import org.cryptomator.integrations.quickaccess.QuickAccessService;
import org.cryptomator.integrations.revealpath.RevealPathService;
import org.cryptomator.integrations.tray.TrayMenuController;
import org.cryptomator.integrations.update.UpdateService;
import org.cryptomator.linux.autostart.FreedesktopAutoStartService;
import org.cryptomator.linux.keychain.KDEWalletKeychainAccess;
import org.cryptomator.linux.keychain.GnomeKeyringKeychainAccess;
import org.cryptomator.linux.keychain.KDEWalletKeychainAccess;
import org.cryptomator.linux.quickaccess.DolphinPlaces;
import org.cryptomator.linux.quickaccess.NautilusBookmarks;
import org.cryptomator.linux.revealpath.DBusSendRevealPathService;
import org.cryptomator.linux.tray.AppindicatorTrayMenuController;
import org.cryptomator.linux.update.FlatpakUpdater;

module org.cryptomator.integrations.linux {
requires org.cryptomator.integrations.api;
requires org.slf4j;
requires org.freedesktop.dbus;
requires org.purejava.appindicator;
requires org.purejava.kwallet;
requires org.purejava.portal;
requires de.swiesend.secretservice;
requires java.xml;

Expand All @@ -25,8 +28,10 @@
provides RevealPathService with DBusSendRevealPathService;
provides TrayMenuController with AppindicatorTrayMenuController;
provides QuickAccessService with NautilusBookmarks, DolphinPlaces;
provides UpdateService with FlatpakUpdater;

opens org.cryptomator.linux.tray to org.cryptomator.integrations.api;
opens org.cryptomator.linux.quickaccess to org.cryptomator.integrations.api;
opens org.cryptomator.linux.autostart to org.cryptomator.integrations.api;
opens org.cryptomator.linux.update to org.cryptomator.integrations.api;
}
140 changes: 140 additions & 0 deletions src/main/java/org/cryptomator/linux/update/FlatpakUpdater.java
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@@ -0,0 +1,140 @@
package org.cryptomator.linux.update;

import org.cryptomator.integrations.common.CheckAvailability;
import org.cryptomator.integrations.common.DisplayName;
import org.cryptomator.integrations.common.OperatingSystem;
import org.cryptomator.integrations.common.Priority;
import org.cryptomator.integrations.update.Progress;
import org.cryptomator.integrations.update.ProgressListener;
import org.cryptomator.integrations.update.UpdateFailedException;
import org.cryptomator.integrations.update.UpdateService;
import org.freedesktop.dbus.FileDescriptor;
import org.freedesktop.dbus.exceptions.DBusException;
import org.freedesktop.dbus.types.UInt32;
import org.freedesktop.dbus.types.Variant;
import org.purejava.portal.Flatpak;
import org.purejava.portal.FlatpakSpawnFlag;
import org.purejava.portal.UpdatePortal;
import org.purejava.portal.Util;
import org.purejava.portal.rest.UpdateCheckerTask;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CopyOnWriteArrayList;

@Priority(1000)
@CheckAvailability
@DisplayName("Update via Flatpak update")
@OperatingSystem(OperatingSystem.Value.LINUX)
public class FlatpakUpdater implements UpdateService, AutoCloseable {

private static final Logger LOG = LoggerFactory.getLogger(FlatpakUpdater.class);
private static final String APP_NAME = "org.cryptomator.Cryptomator";

private final List<ProgressListener> progressListeners = new CopyOnWriteArrayList<>();

private final UpdatePortal portal;
private Flatpak.UpdateMonitor updateMonitor;

public FlatpakUpdater() {
this.portal = new UpdatePortal();
portal.CreateUpdateMonitor(UpdatePortal.OPTIONS_DUMMY);
}
Comment on lines +47 to +50
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@coderabbitai coderabbitai bot Aug 2, 2025

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🛠️ Refactor suggestion

Remove unnecessary monitor creation in constructor.

The constructor creates an update monitor but doesn't check or use the result. This monitor should be created lazily when first needed via getUpdateMonitor().

 public FlatpakUpdater() {
 	this.portal = new UpdatePortal();
-	portal.CreateUpdateMonitor(UpdatePortal.OPTIONS_DUMMY);
 }
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
public FlatpakUpdater() {
this.portal = new UpdatePortal();
portal.CreateUpdateMonitor(UpdatePortal.OPTIONS_DUMMY);
}
public FlatpakUpdater() {
this.portal = new UpdatePortal();
}
🤖 Prompt for AI Agents 
In src/main/java/org/cryptomator/linux/update/FlatpakUpdater.java between lines
42 and 45, remove the call to
portal.CreateUpdateMonitor(UpdatePortal.OPTIONS_DUMMY) from the constructor
since the update monitor is created but never used there. Instead, implement
lazy initialization of the update monitor inside the getUpdateMonitor() method
so that the monitor is only created when first accessed.


@Override
public boolean isSupported() {
return portal.isAvailable();
}

@Override
public UpdateCheckerTask getLatestReleaseChecker() {
portal.setUpdateCheckerTaskFor(APP_NAME);
return portal.getUpdateCheckerTaskFor(APP_NAME);
}

@Override
public void triggerUpdate() throws UpdateFailedException {
var monitor = getUpdateMonitor();
portal.updateApp("x11:0", monitor, UpdatePortal.OPTIONS_DUMMY);
}
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⚠️ Potential issue

Avoid hardcoding the display parameter.

The hardcoded "x11:0" display parameter may not work correctly in Wayland environments or other display configurations.

Consider obtaining the display parameter dynamically:

 @Override
 public void triggerUpdate() throws UpdateFailedException {
     var monitor = getUpdateMonitor();
-    portal.updateApp("x11:0", monitor, UpdatePortal.OPTIONS_DUMMY);
+    String display = System.getenv("DISPLAY");
+    if (display == null || display.isEmpty()) {
+        display = System.getenv("WAYLAND_DISPLAY");
+        if (display != null && !display.isEmpty()) {
+            display = "wayland:" + display;
+        } else {
+            display = "x11:0"; // fallback
+        }
+    }
+    portal.updateApp(display, monitor, UpdatePortal.OPTIONS_DUMMY);
 }
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
public void triggerUpdate() throws UpdateFailedException {
var monitor = getUpdateMonitor();
portal.updateApp("x11:0", monitor, UpdatePortal.OPTIONS_DUMMY);
}
@Override
public void triggerUpdate() throws UpdateFailedException {
var monitor = getUpdateMonitor();
String display = System.getenv("DISPLAY");
if (display == null || display.isEmpty()) {
display = System.getenv("WAYLAND_DISPLAY");
if (display != null && !display.isEmpty()) {
display = "wayland:" + display;
} else {
display = "x11:0"; // fallback
}
}
portal.updateApp(display, monitor, UpdatePortal.OPTIONS_DUMMY);
}
🤖 Prompt for AI Agents 
In src/main/java/org/cryptomator/linux/update/FlatpakUpdater.java around lines
70 to 73, the display parameter "x11:0" is hardcoded in the portal.updateApp
call, which can cause issues in Wayland or other display environments. Modify
the code to dynamically obtain the display parameter from the environment or
system properties instead of using a fixed string. Replace the hardcoded "x11:0"
with a variable that retrieves the current display setting at runtime.


@Override
public long spawnApp() {
var cwdPath = Util.stringToByteList(System.getProperty("user.dir"));
List<List<Byte>> argv = List.of(
Util.stringToByteList(APP_NAME));
Map<UInt32, FileDescriptor> fds = Collections.emptyMap();
Map<String, String> envs = Map.of();
UInt32 flags = new UInt32(FlatpakSpawnFlag.LATEST_VERSION.getValue());
Map<String, Variant<?>> options = UpdatePortal.OPTIONS_DUMMY;

return spawnApp(cwdPath, argv, fds, envs, flags, options).longValue();
}

@Override
public boolean doesRequireElevatedPermissions() {
return false;
}

@Override
public void close() throws Exception {
try {
if (null != updateMonitor) {
portal.cancelUpdateMonitor(updateMonitor);
}
portal.close();
} catch (Exception e) {
LOG.error(e.toString(), e.getCause());
}
}
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🛠️ Refactor suggestion

Improve exception handling in close method.

The current implementation catches a generic Exception and the logging could be more informative.

 @Override
 public void close() throws Exception {
     try {
         if (null != updateMonitor) {
             portal.cancelUpdateMonitor(updateMonitor);
         }
         portal.close();
-    } catch (Exception e) {
-        LOG.error(e.toString(), e.getCause());
+    } catch (DBusException e) {
+        LOG.error("Failed to close DBus connection properly", e);
+        throw e;
+    } catch (Exception e) {
+        LOG.error("Unexpected error during resource cleanup", e);
+        throw e;
     }
 }
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
@Override
public void close() throws Exception {
try {
if (null != updateMonitor) {
portal.cancelUpdateMonitor(updateMonitor);
}
portal.close();
} catch (Exception e) {
LOG.error(e.toString(), e.getCause());
}
}
@Override
public void close() throws Exception {
try {
if (null != updateMonitor) {
portal.cancelUpdateMonitor(updateMonitor);
}
portal.close();
} catch (DBusException e) {
LOG.error("Failed to close DBus connection properly", e);
throw e;
} catch (Exception e) {
LOG.error("Unexpected error during resource cleanup", e);
throw e;
}
}
🤖 Prompt for AI Agents 
In src/main/java/org/cryptomator/linux/update/FlatpakUpdater.java around lines
98 to 108, improve the exception handling in the close method by catching more
specific exceptions if possible, and enhance the logging to provide a clearer
and more informative message. Instead of logging e.toString() and e.getCause()
separately, log the full exception with its stack trace to capture complete
context for debugging.


private synchronized Flatpak.UpdateMonitor getUpdateMonitor() {
if (updateMonitor == null) {
var updateMonitorPath = portal.CreateUpdateMonitor(UpdatePortal.OPTIONS_DUMMY);
if (updateMonitorPath != null) {
LOG.debug("UpdateMonitor successful created at {}", updateMonitorPath);
updateMonitor = portal.getUpdateMonitor(updateMonitorPath.toString());
try {
portal.getDBusConnection().addSigHandler(Flatpak.UpdateMonitor.Progress.class, signal -> {
notifyOnUpdateProceeds(signal);
});
} catch (DBusException e) {
LOG.error(e.toString(), e.getCause());
}
} else {
LOG.error("Failed to create UpdateMonitor on DBus");
}
}
return updateMonitor;
}

@Override
public void addProgressListener(ProgressListener listener) {
progressListeners.add(listener);
}

@Override
public void removeProgressListener(ProgressListener listener) {
progressListeners.remove(listener);
}

private void notifyOnUpdateProceeds(Flatpak.UpdateMonitor.Progress signal) {
long status = ((UInt32) signal.info.get("status").getValue()).longValue();
long progress = 0;
Variant<?> progressVariant = signal.info.get("progress");
if (null != progressVariant) {
progress = ((UInt32) progressVariant.getValue()).longValue();
}
Progress p = new Progress(status, progress);
for (ProgressListener listener : progressListeners) {
listener.onProgress(p);
}
}

private UInt32 spawnApp(List<Byte> cwdPath, List<List<Byte>> argv, Map<UInt32, FileDescriptor> fds, Map<String, String> envs, UInt32 flags, Map<String, Variant<?>> options) {
return portal.Spawn(cwdPath, argv, fds, envs, flags, options);
}
}
1 change: 1 addition & 0 deletions src/main/resources/META-INF/services/org.cryptomator.integrations.update.UpdateService
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@@ -0,0 +1 @@
org.cryptomator.linux.update.FlatpakUpdater