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Code Issues Releases Wiki Activity

Merge pull request #713 from da-kid/master

Browse Source 
Added notification to passphrasecache
This commit is contained in:
Dominik Schürmann 2014-07-12 21:02:19 +02:00
commit 195f2c25cc
4 changed files with 158 additions and 16 deletions
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3
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/KeychainIntentService.java
View File

@ -44,6 +44,7 @@ import org.sufficientlysecure.keychain.pgp.PgpKeyOperation;
import org.sufficientlysecure.keychain.pgp.PgpSignEncrypt;
import org.sufficientlysecure.keychain.pgp.Progressable;
import org.sufficientlysecure.keychain.pgp.UncachedKeyRing;
import org.sufficientlysecure.keychain.pgp.WrappedPublicKey;
import org.sufficientlysecure.keychain.pgp.WrappedPublicKeyRing;
import org.sufficientlysecure.keychain.pgp.WrappedSecretKey;
import org.sufficientlysecure.keychain.pgp.WrappedSecretKeyRing;
@ -351,7 +352,7 @@ public class KeychainIntentService extends IntentService
// cache new passphrase
if (saveParcel.newPassphrase != null) {
PassphraseCacheService.addCachedPassphrase(this, ring.getMasterKeyId(),
saveParcel.newPassphrase);
saveParcel.newPassphrase, ring.getPublicKey().getPrimaryUserId());
}
} catch (ProviderHelper.NotFoundException e) {
sendErrorToHandler(e);

149
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/PassphraseCacheService.java
View File

@ -20,11 +20,13 @@ package org.sufficientlysecure.keychain.service;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.app.Service;
import android.app.NotificationManager;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Binder;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.HandlerThread;
@ -32,11 +34,15 @@ import android.os.IBinder;
import android.os.Message;
import android.os.Messenger;
import android.os.RemoteException;
import android.support.v4.util.LongSparseArray;
import android.support.v4.app.NotificationCompat;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.helper.Preferences;
import org.sufficientlysecure.keychain.pgp.WrappedSecretKeyRing;
import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException;
import org.sufficientlysecure.keychain.provider.KeychainContract;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.util.Log;
@ -54,6 +60,8 @@ public class PassphraseCacheService extends Service {
+ "PASSPHRASE_CACHE_ADD";
public static final String ACTION_PASSPHRASE_CACHE_GET = Constants.INTENT_PREFIX
+ "PASSPHRASE_CACHE_GET";
public static final String ACTION_PASSPHRASE_CACHE_CLEAR = Constants.INTENT_PREFIX
+ "PASSPHRASE_CACHE_CLEAR";
public static final String BROADCAST_ACTION_PASSPHRASE_CACHE_SERVICE = Constants.INTENT_PREFIX
+ "PASSPHRASE_CACHE_BROADCAST";
@ -62,13 +70,16 @@ 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";
private static final int REQUEST_ID = 0;
private static final long DEFAULT_TTL = 15;
private static final int NOTIFICATION_ID = 1;
private BroadcastReceiver mIntentReceiver;
private LongSparseArray<String> mPassphraseCache = new LongSparseArray<String>();
private LongSparseArray<CachedPassphrase> mPassphraseCache = new LongSparseArray<CachedPassphrase>();
Context mContext;
@ -81,14 +92,17 @@ public class PassphraseCacheService extends Service {
* @param keyId
* @param passphrase
*/
public static void addCachedPassphrase(Context context, long keyId, String passphrase) {
public static void addCachedPassphrase(Context context, long keyId, String passphrase,
String primaryUserId) {
Log.d(Constants.TAG, "PassphraseCacheService.cacheNewPassphrase() for " + keyId);
Intent intent = new Intent(context, PassphraseCacheService.class);
intent.setAction(ACTION_PASSPHRASE_CACHE_ADD);
intent.putExtra(EXTRA_TTL, Preferences.getPreferences(context).getPassphraseCacheTtl());
intent.putExtra(EXTRA_PASSPHRASE, passphrase);
intent.putExtra(EXTRA_KEY_ID, keyId);
intent.putExtra(EXTRA_USERID, primaryUserId);
context.startService(intent);
}
@ -159,11 +173,11 @@ public class PassphraseCacheService extends Service {
// passphrase for symmetric encryption?
if (keyId == Constants.key.symmetric) {
Log.d(Constants.TAG, "PassphraseCacheService.getCachedPassphraseImpl() for symmetric encryption");
String cachedPassphrase = mPassphraseCache.get(Constants.key.symmetric);
String cachedPassphrase = mPassphraseCache.get(Constants.key.symmetric).getPassphrase();
if (cachedPassphrase == null) {
return null;
}
addCachedPassphrase(this, Constants.key.symmetric, cachedPassphrase);
addCachedPassphrase(this, Constants.key.symmetric, cachedPassphrase, getString(R.string.passp_cache_notif_pwd));
return cachedPassphrase;
}
@ -176,12 +190,16 @@ public class PassphraseCacheService extends Service {
if (!key.hasPassphrase()) {
Log.d(Constants.TAG, "Key has no passphrase! Caches and returns empty passphrase!");
addCachedPassphrase(this, keyId, "");
try {
addCachedPassphrase(this, keyId, "", key.getPrimaryUserId());
} catch (PgpGeneralException e) {
Log.d(Constants.TAG, "PgpGeneralException occured");
}
return "";
}
// get cached passphrase
String cachedPassphrase = mPassphraseCache.get(keyId);
CachedPassphrase cachedPassphrase = mPassphraseCache.get(keyId);
if (cachedPassphrase == 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
@ -190,8 +208,8 @@ public class PassphraseCacheService extends Service {
// set it again to reset the cache life cycle
Log.d(Constants.TAG, "PassphraseCacheService Cache passphrase again when getting it!");
addCachedPassphrase(this, keyId, cachedPassphrase);
return cachedPassphrase;
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!");
@ -256,14 +274,16 @@ public class PassphraseCacheService extends Service {
if (ACTION_PASSPHRASE_CACHE_ADD.equals(intent.getAction())) {
long ttl = intent.getLongExtra(EXTRA_TTL, DEFAULT_TTL);
long keyId = intent.getLongExtra(EXTRA_KEY_ID, -1);
String passphrase = intent.getStringExtra(EXTRA_PASSPHRASE);
String primaryUserID = intent.getStringExtra(EXTRA_USERID);
Log.d(Constants.TAG,
"PassphraseCacheService Received ACTION_PASSPHRASE_CACHE_ADD intent in onStartCommand() with keyId: "
+ keyId + ", ttl: " + ttl);
+ keyId + ", ttl: " + ttl + ", usrId: " + primaryUserID);
// add keyId and passphrase to memory
mPassphraseCache.put(keyId, passphrase);
// add keyId, passphrase and primary user id to memory
mPassphraseCache.put(keyId, new CachedPassphrase(passphrase, primaryUserID));
if (ttl > 0) {
// register new alarm with keyId for this passphrase
@ -271,6 +291,9 @@ public class PassphraseCacheService extends Service {
AlarmManager am = (AlarmManager) this.getSystemService(Context.ALARM_SERVICE);
am.set(AlarmManager.RTC_WAKEUP, triggerTime, buildIntent(this, keyId));
}
updateNotifications();
} else if (ACTION_PASSPHRASE_CACHE_GET.equals(intent.getAction())) {
long keyId = intent.getLongExtra(EXTRA_KEY_ID, -1);
Messenger messenger = intent.getParcelableExtra(EXTRA_MESSENGER);
@ -286,6 +309,17 @@ public class PassphraseCacheService extends Service {
} catch (RemoteException 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);
// Stop all ttl alarms
for(int i = 0; i < mPassphraseCache.size(); i++) {
am.cancel(buildIntent(this, mPassphraseCache.keyAt(i)));
}
mPassphraseCache.clear();
updateNotifications();
} else {
Log.e(Constants.TAG, "PassphraseCacheService Intent or Intent Action not supported!");
}
@ -311,6 +345,74 @@ public class PassphraseCacheService extends Service {
Log.d(Constants.TAG, "PassphraseCacheServic No passphrases remaining in memory, stopping service!");
stopSelf();
}
updateNotifications();
}
private void updateNotifications() {
NotificationManager notificationManager =
(NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
if(mPassphraseCache.size() > 0) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
NotificationCompat.Builder builder = new NotificationCompat.Builder(this);
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()));
NotificationCompat.InboxStyle inboxStyle = new NotificationCompat.InboxStyle();
inboxStyle.setBigContentTitle(getString(R.string.passp_cache_notif_keys));
// Moves events into the big view
for (int i = 0; i < mPassphraseCache.size(); i++) {
inboxStyle.addLine(mPassphraseCache.valueAt(i).getPrimaryUserID());
}
// Moves the big view style object into the notification object.
builder.setStyle(inboxStyle);
// Add purging action
Intent intent = new Intent(getApplicationContext(), PassphraseCacheService.class);
intent.setAction(ACTION_PASSPHRASE_CACHE_CLEAR);
builder.addAction(
R.drawable.abc_ic_clear_normal,
getString(R.string.passp_cache_notif_clear),
PendingIntent.getService(
getApplicationContext(),
0,
intent,
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);
builder.setSmallIcon(R.drawable.ic_launcher)
.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);
intent.setAction(ACTION_PASSPHRASE_CACHE_CLEAR);
builder.setContentIntent(
PendingIntent.getService(
getApplicationContext(),
0,
intent,
PendingIntent.FLAG_UPDATE_CURRENT
)
);
notificationManager.notify(NOTIFICATION_ID, builder.build());
}
} else {
notificationManager.cancel(NOTIFICATION_ID);
}
}
@Override
@ -341,4 +443,27 @@ public class PassphraseCacheService extends Service {
private final IBinder mBinder = new PassphraseCacheBinder();
}
public class CachedPassphrase {
private String primaryUserID;
private String passphrase;
public CachedPassphrase(String passphrase, String primaryUserID) {
setPassphrase(passphrase);
setPrimaryUserID(primaryUserID);
}
public String getPrimaryUserID() {
return primaryUserID;
}
public String getPassphrase() {
return passphrase;
}
public void setPrimaryUserID(String primaryUserID) {
this.primaryUserID = primaryUserID;
}
public void setPassphrase(String passphrase) {
this.passphrase = passphrase;
}
}
}

15
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/PassphraseDialogFragment.java
View File

@ -189,7 +189,8 @@ public class PassphraseDialogFragment extends DialogFragment implements OnEditor
// Early breakout if we are dealing with a symmetric key
if (secretRing == null) {
PassphraseCacheService.addCachedPassphrase(activity, Constants.key.symmetric, passphrase);
PassphraseCacheService.addCachedPassphrase(activity, Constants.key.symmetric,
passphrase, getString(R.string.passp_cache_notif_pwd));
// also return passphrase back to activity
Bundle data = new Bundle();
data.putString(MESSAGE_DATA_PASSPHRASE, passphrase);
@ -228,10 +229,18 @@ public class PassphraseDialogFragment extends DialogFragment implements OnEditor
// cache the new passphrase
Log.d(Constants.TAG, "Everything okay! Caching entered passphrase");
PassphraseCacheService.addCachedPassphrase(activity, masterKeyId, passphrase);
try {
PassphraseCacheService.addCachedPassphrase(activity, masterKeyId, passphrase,
secretRing.getPrimaryUserId());
} catch(PgpGeneralException e) {
Log.e(Constants.TAG, "adding of a passhrase failed", e);
}
if (unlockedSecretKey.getKeyId() != masterKeyId) {
PassphraseCacheService.addCachedPassphrase(
activity, unlockedSecretKey.getKeyId(), passphrase);
activity, unlockedSecretKey.getKeyId(), passphrase,
unlockedSecretKey.getPrimaryUserId());
}
// also return passphrase back to activity

7
OpenKeychain/src/main/res/values/strings.xml
View File

@ -660,6 +660,13 @@
<string name="msg_mf_unlock_error">Error unlocking keyring!</string>
<string name="msg_mf_unlock">Unlocking keyring</string>
<!-- PassphraseCache -->
<string name="passp_cache_notif_click_to_clear">Click to clear cached passphrases</string>
<string name="passp_cache_notif_n_keys">OpenKeychain has cached %d keys</string>
<string name="passp_cache_notif_keys">Cached Keys:</string>
<string name="passp_cache_notif_clear">Clear Cache</string>
<string name="passp_cache_notif_pwd">Password</string>
<!-- unsorted -->
<string name="section_certifier_id">Certifier</string>
<string name="section_cert">Certificate Details</string>