186 lines
5.9 KiB
C#
186 lines
5.9 KiB
C#
/*
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This file is part of Keepass2Android, Copyright 2013 Philipp Crocoll. This file is based on Keepassdroid, Copyright Brian Pellin.
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Keepass2Android is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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Keepass2Android is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Keepass2Android. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using Android.App;
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using Android.Content;
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using Android.Graphics;
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using Android.OS;
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using Android.Preferences;
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using Android.Support.V4.App;
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using KeePassLib.Utility;
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namespace keepass2android
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{
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/// <summary>
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/// Service for showing ongoing notifications
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///
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/// Shows database unlocked warning persistent notification
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/// Shows Quick-Unlock notification
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/// </summary>
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[Service]
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public class OngoingNotificationsService : Service
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{
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#region Service
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private const int QuickUnlockId = 100;
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private const int UnlockedWarningId = 200;
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public override StartCommandResult OnStartCommand(Intent intent, StartCommandFlags flags, int startId)
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{
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Kp2aLog.Log("Starting/Updating OngoingNotificationsService. Database " + (App.Kp2a.DatabaseIsUnlocked ? "Unlocked" : (App.Kp2a.QuickLocked ? "QuickLocked" : "Locked")));
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var notificationManager = (NotificationManager)GetSystemService(NotificationService);
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// Set the icon to reflect the current state
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if (App.Kp2a.DatabaseIsUnlocked)
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{
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// Clear current foreground status and QuickUnlock icon
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StopForeground(true);
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if (ShowUnlockedNotification)
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{
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// No need for task to get foreground priority, we don't need any special treatment just for showing that the database is unlocked
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notificationManager.Notify(UnlockedWarningId, GetUnlockedNotification());
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}
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else
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{
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notificationManager.Cancel(UnlockedWarningId);
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}
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}
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else
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{
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notificationManager.Cancel(UnlockedWarningId);
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if (App.Kp2a.QuickLocked)
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{
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// Show the Quick Unlock notification
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StartForeground(QuickUnlockId, GetQuickUnlockNotification());
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}
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else
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{
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// Not showing any notification, database is locked, no point in keeping running
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StopSelf();
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}
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}
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return StartCommandResult.NotSticky;
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}
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private bool ShowUnlockedNotification
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{
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get { return PreferenceManager.GetDefaultSharedPreferences(this).GetBoolean(GetString(Resource.String.ShowUnlockedNotification_key), Resources.GetBoolean(Resource.Boolean.ShowUnlockedNotification_default)); }
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}
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public override void OnTaskRemoved(Intent rootIntent)
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{
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base.OnTaskRemoved(rootIntent);
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Kp2aLog.Log("OngoingNotificationsService.OnTaskRemoved: " + rootIntent.Action);
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// If the user has closed the task (probably by swiping it out of the recent apps list) then lock the database
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App.Kp2a.LockDatabase();
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}
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public override void OnDestroy()
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{
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base.OnDestroy();
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var notificationManager = (NotificationManager)GetSystemService(NotificationService);
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notificationManager.Cancel(UnlockedWarningId);
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// Quick Unlock notification should be removed automatically by the service (if present), as it was the foreground notification.
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Kp2aLog.Log("OngoingNotificationsService.OnDestroy");
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// If the service is killed, then lock the database immediately (as the unlocked warning icon will no longer display).
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if (App.Kp2a.DatabaseIsUnlocked)
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{
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App.Kp2a.LockDatabase();
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}
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}
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public override IBinder OnBind(Intent intent)
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{
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return null;
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}
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#endregion
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#region QuickUnlock
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private Notification GetQuickUnlockNotification()
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{
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NotificationCompat.Builder builder =
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new NotificationCompat.Builder(this)
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.SetSmallIcon(Resource.Drawable.ic_launcher_gray)
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.SetLargeIcon(BitmapFactory.DecodeResource(Resources, AppNames.LauncherIcon))
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.SetContentTitle(GetString(Resource.String.app_name))
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.SetContentText(GetString(Resource.String.database_loaded_quickunlock_enabled, GetDatabaseName()));
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var startKp2APendingIntent = GetSwitchToAppPendingIntent();
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builder.SetContentIntent(startKp2APendingIntent);
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return builder.Build();
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}
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#endregion
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#region Unlocked Warning
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private Notification GetUnlockedNotification()
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{
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NotificationCompat.Builder builder =
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new NotificationCompat.Builder(this)
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.SetOngoing(true)
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.SetSmallIcon(Resource.Drawable.ic_unlocked_gray)
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.SetLargeIcon(BitmapFactory.DecodeResource(Resources, Resource.Drawable.ic_launcher_red))
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.SetContentTitle(GetString(Resource.String.app_name))
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.SetContentText(GetString(Resource.String.database_loaded_unlocked, GetDatabaseName()));
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// Default action is to show Kp2A
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builder.SetContentIntent(GetSwitchToAppPendingIntent());
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// Additional action to allow locking the database
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builder.AddAction(Android.Resource.Drawable.IcLockLock, GetString(Resource.String.menu_lock), PendingIntent.GetBroadcast(this, 0, new Intent(Intents.LockDatabase), PendingIntentFlags.UpdateCurrent));
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return builder.Build();
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}
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private PendingIntent GetSwitchToAppPendingIntent()
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{
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var startKp2aIntent = new Intent(this, typeof(KeePass));
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startKp2aIntent.SetAction(Intent.ActionMain);
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startKp2aIntent.AddCategory(Intent.CategoryLauncher);
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return PendingIntent.GetActivity(this, 0, startKp2aIntent, PendingIntentFlags.UpdateCurrent);
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}
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private static string GetDatabaseName()
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{
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var db = App.Kp2a.GetDb().KpDatabase;
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var name = db.Name;
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if (String.IsNullOrEmpty(name))
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{
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name = UrlUtil.StripExtension(UrlUtil.GetFileName(db.IOConnectionInfo.Path));
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}
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return name;
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}
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#endregion
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}
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}
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