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-rw-r--r--OpenKeychain/src/main/AndroidManifest.xml14
-rw-r--r--OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ExitActivity.java52
-rw-r--r--OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/PanicResponderActivity.java49
3 files changed, 115 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/AndroidManifest.xml b/OpenKeychain/src/main/AndroidManifest.xml
index 86836741b..b27e1157e 100644
--- a/OpenKeychain/src/main/AndroidManifest.xml
+++ b/OpenKeychain/src/main/AndroidManifest.xml
@@ -772,6 +772,20 @@
android:name=".ui.HelpActivity"
android:label="@string/title_help" />
+ <activity
+ android:name=".ui.PanicResponderActivity"
+ android:noHistory="true"
+ android:theme="@android:style/Theme.NoDisplay">
+ <intent-filter>
+ <action android:name="info.guardianproject.panic.action.TRIGGER" />
+
+ <category android:name="android.intent.category.DEFAULT" />
+ </intent-filter>
+ </activity>
+ <activity
+ android:name=".ui.ExitActivity"
+ android:theme="@android:style/Theme.NoDisplay" />
+
<!-- Internal services/content providers (not exported) -->
<service
android:name=".service.PassphraseCacheService"
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ExitActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ExitActivity.java
new file mode 100644
index 000000000..fd49461ed
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ExitActivity.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2015-2016 Hans-Christoph Steiner <hans@eds.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sufficientlysecure.keychain.ui;
+
+import android.annotation.SuppressLint;
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Build;
+import android.os.Bundle;
+
+public class ExitActivity extends Activity {
+
+ @SuppressLint("NewApi")
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+
+ if (Build.VERSION.SDK_INT >= 21) {
+ finishAndRemoveTask();
+ } else {
+ finish();
+ }
+
+ System.exit(0);
+ }
+
+ public static void exitAndRemoveFromRecentApps(Activity activity) {
+ Intent intent = new Intent(activity, ExitActivity.class);
+
+ intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
+ | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS
+ | Intent.FLAG_ACTIVITY_CLEAR_TASK
+ | Intent.FLAG_ACTIVITY_NO_ANIMATION);
+
+ activity.startActivity(intent);
+ }
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/PanicResponderActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/PanicResponderActivity.java
new file mode 100644
index 000000000..2380c02a8
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/PanicResponderActivity.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2015-2016 Hans-Christoph Steiner <hans@eds.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sufficientlysecure.keychain.ui;
+
+import android.annotation.SuppressLint;
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Build;
+import android.os.Bundle;
+
+import org.sufficientlysecure.keychain.service.PassphraseCacheService;
+
+public class PanicResponderActivity extends Activity {
+
+ public static final String PANIC_TRIGGER_ACTION = "info.guardianproject.panic.action.TRIGGER";
+
+ @SuppressLint("NewApi")
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+
+ Intent intent = getIntent();
+ if (intent != null && PANIC_TRIGGER_ACTION.equals(intent.getAction())) {
+ PassphraseCacheService.clearCachedPassphrases(this);
+ ExitActivity.exitAndRemoveFromRecentApps(this);
+ }
+
+ if (Build.VERSION.SDK_INT >= 21) {
+ finishAndRemoveTask();
+ } else {
+ finish();
+ }
+ }
+}