Make PassphraseCacheService a foreground service

This commit is contained in:
Dominik Schürmann 2014-07-27 18:56:23 +02:00
parent ee307cdf28
commit 97e8faa1dd

View File

@ -18,9 +18,9 @@
package org.sufficientlysecure.keychain.service;
import android.app.AlarmManager;
import android.app.Notification;
import android.app.PendingIntent;
import android.app.Service;
import android.app.NotificationManager;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
@ -70,7 +70,7 @@ public class PassphraseCacheService extends Service {
public static final String EXTRA_KEY_ID = "key_id";
public static final String EXTRA_PASSPHRASE = "passphrase";
public static final String EXTRA_MESSENGER = "messenger";
public static final String EXTRA_USERID = "userid";
public static final String EXTRA_USER_ID = "user_id";
private static final int REQUEST_ID = 0;
private static final long DEFAULT_TTL = 15;
@ -102,7 +102,7 @@ public class PassphraseCacheService extends Service {
intent.putExtra(EXTRA_TTL, Preferences.getPreferences(context).getPassphraseCacheTtl());
intent.putExtra(EXTRA_PASSPHRASE, passphrase);
intent.putExtra(EXTRA_KEY_ID, keyId);
intent.putExtra(EXTRA_USERID, primaryUserId);
intent.putExtra(EXTRA_USER_ID, primaryUserId);
context.startService(intent);
}
@ -201,18 +201,18 @@ public class PassphraseCacheService extends Service {
// get cached passphrase
CachedPassphrase cachedPassphrase = mPassphraseCache.get(keyId);
if (cachedPassphrase == null) {
Log.d(Constants.TAG, "PassphraseCacheService Passphrase not (yet) cached, returning null");
Log.d(Constants.TAG, "PassphraseCacheService: Passphrase not (yet) cached, returning null");
// not really an error, just means the passphrase is not cached but not empty either
return null;
}
// set it again to reset the cache life cycle
Log.d(Constants.TAG, "PassphraseCacheService Cache passphrase again when getting it!");
Log.d(Constants.TAG, "PassphraseCacheService: Cache passphrase again when getting it!");
addCachedPassphrase(this, keyId, cachedPassphrase.getPassphrase(), cachedPassphrase.getPrimaryUserID());
return cachedPassphrase.getPassphrase();
} catch (ProviderHelper.NotFoundException e) {
Log.e(Constants.TAG, "PassphraseCacheService Passphrase for unknown key was requested!");
Log.e(Constants.TAG, "PassphraseCacheService: Passphrase for unknown key was requested!");
return null;
}
}
@ -229,7 +229,7 @@ public class PassphraseCacheService extends Service {
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
Log.d(Constants.TAG, "PassphraseCacheService Received broadcast...");
Log.d(Constants.TAG, "PassphraseCacheService: Received broadcast...");
if (action.equals(BROADCAST_ACTION_PASSPHRASE_CACHE_SERVICE)) {
long keyId = intent.getLongExtra(EXTRA_KEY_ID, -1);
@ -254,10 +254,8 @@ public class PassphraseCacheService extends Service {
private static PendingIntent buildIntent(Context context, long keyId) {
Intent intent = new Intent(BROADCAST_ACTION_PASSPHRASE_CACHE_SERVICE);
intent.putExtra(EXTRA_KEY_ID, keyId);
PendingIntent sender = PendingIntent.getBroadcast(context, REQUEST_ID, intent,
return PendingIntent.getBroadcast(context, REQUEST_ID, intent,
PendingIntent.FLAG_CANCEL_CURRENT);
return sender;
}
/**
@ -276,11 +274,12 @@ public class PassphraseCacheService extends Service {
long keyId = intent.getLongExtra(EXTRA_KEY_ID, -1);
String passphrase = intent.getStringExtra(EXTRA_PASSPHRASE);
String primaryUserID = intent.getStringExtra(EXTRA_USERID);
String primaryUserID = intent.getStringExtra(EXTRA_USER_ID);
Log.d(Constants.TAG,
"PassphraseCacheService Received ACTION_PASSPHRASE_CACHE_ADD intent in onStartCommand() with keyId: "
+ keyId + ", ttl: " + ttl + ", usrId: " + primaryUserID);
"PassphraseCacheService: Received ACTION_PASSPHRASE_CACHE_ADD intent in onStartCommand() with keyId: "
+ keyId + ", ttl: " + ttl + ", usrId: " + primaryUserID
);
// add keyId, passphrase and primary user id to memory
mPassphraseCache.put(keyId, new CachedPassphrase(passphrase, primaryUserID));
@ -292,8 +291,7 @@ public class PassphraseCacheService extends Service {
am.set(AlarmManager.RTC_WAKEUP, triggerTime, buildIntent(this, keyId));
}
updateNotifications();
updateService();
} else if (ACTION_PASSPHRASE_CACHE_GET.equals(intent.getAction())) {
long keyId = intent.getLongExtra(EXTRA_KEY_ID, -1);
Messenger messenger = intent.getParcelableExtra(EXTRA_MESSENGER);
@ -307,7 +305,7 @@ public class PassphraseCacheService extends Service {
try {
messenger.send(msg);
} catch (RemoteException e) {
Log.e(Constants.TAG, "PassphraseCacheService Sending message failed", e);
Log.e(Constants.TAG, "PassphraseCacheService: Sending message failed", e);
}
} else if (ACTION_PASSPHRASE_CACHE_CLEAR.equals(intent.getAction())) {
AlarmManager am = (AlarmManager) this.getSystemService(Context.ALARM_SERVICE);
@ -319,9 +317,9 @@ public class PassphraseCacheService extends Service {
mPassphraseCache.clear();
updateNotifications();
updateService();
} else {
Log.e(Constants.TAG, "PassphraseCacheService Intent or Intent Action not supported!");
Log.e(Constants.TAG, "PassphraseCacheService: Intent or Intent Action not supported!");
}
}
@ -340,26 +338,27 @@ public class PassphraseCacheService extends Service {
Log.d(Constants.TAG, "PassphraseCacheService Timeout of keyId " + keyId + ", removed from memory!");
// stop whole service if no cached passphrases remaining
if (mPassphraseCache.size() == 0) {
Log.d(Constants.TAG, "PassphraseCacheServic No passphrases remaining in memory, stopping service!");
stopSelf();
updateService();
}
updateNotifications();
}
private void updateNotifications() {
NotificationManager notificationManager =
(NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
private void updateService() {
if (mPassphraseCache.size() > 0) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
startForeground(NOTIFICATION_ID, getNotification());
} else {
// stop whole service if no cached passphrases remaining
Log.d(Constants.TAG, "PassphraseCacheService: No passphrases remaining in memory, stopping service!");
stopForeground(true);
}
}
private Notification getNotification() {
NotificationCompat.Builder builder = new NotificationCompat.Builder(this);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
builder.setSmallIcon(R.drawable.ic_launcher)
.setContentTitle(getString(R.string.app_name))
.setContentText(String.format(getString(R.string.passp_cache_notif_n_keys), mPassphraseCache.size()));
.setContentText(String.format(getString(R.string.passp_cache_notif_n_keys),
mPassphraseCache.size()));
NotificationCompat.InboxStyle inboxStyle = new NotificationCompat.InboxStyle();
@ -386,13 +385,11 @@ public class PassphraseCacheService extends Service {
PendingIntent.FLAG_UPDATE_CURRENT
)
);
notificationManager.notify(NOTIFICATION_ID, builder.build());
} else { // Fallback, since expandable notifications weren't available back then
NotificationCompat.Builder builder = new NotificationCompat.Builder(this);
} else {
// Fallback, since expandable notifications weren't available back then
builder.setSmallIcon(R.drawable.ic_launcher)
.setContentTitle(String.format(getString(R.string.passp_cache_notif_n_keys, mPassphraseCache.size())))
.setContentTitle(String.format(getString(R.string.passp_cache_notif_n_keys,
mPassphraseCache.size())))
.setContentText(getString(R.string.passp_cache_notif_click_to_clear));
Intent intent = new Intent(getApplicationContext(), PassphraseCacheService.class);
@ -406,13 +403,9 @@ public class PassphraseCacheService extends Service {
PendingIntent.FLAG_UPDATE_CURRENT
)
);
notificationManager.notify(NOTIFICATION_ID, builder.build());
}
} else {
notificationManager.cancel(NOTIFICATION_ID);
}
return builder.build();
}
@Override
@ -455,6 +448,7 @@ public class PassphraseCacheService extends Service {
public String getPrimaryUserID() {
return primaryUserID;
}
public String getPassphrase() {
return passphrase;
}
@ -462,6 +456,7 @@ public class PassphraseCacheService extends Service {
public void setPrimaryUserID(String primaryUserID) {
this.primaryUserID = primaryUserID;
}
public void setPassphrase(String passphrase) {
this.passphrase = passphrase;
}