moparisthebest/open-keychain
1
0
Fork 0
mirror of https://github.com/moparisthebest/open-keychain synced 2024-11-11 03:25:05 -05:00
Code Issues Releases Wiki Activity

new PassphraseCache, storing UserIDs as well

Browse Source
This commit is contained in:
Daniel Albert 2014-07-12 10:51:12 +02:00
parent 9fcc0a8816
commit af90db96a5
1 changed files with 47 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

58
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/PassphraseCacheService.java
View File

@ -37,6 +37,7 @@ import android.support.v4.util.LongSparseArray;
import org.sufficientlysecure.keychain.Constants;
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 +55,8 @@ 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_PURGE = Constants.INTENT_PREFIX
+ "PASSPHRASE_CACHE_PURGE";
public static final String BROADCAST_ACTION_PASSPHRASE_CACHE_SERVICE = Constants.INTENT_PREFIX
+ "PASSPHRASE_CACHE_BROADCAST";
@ -62,13 +65,14 @@ 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 BroadcastReceiver mIntentReceiver;
private LongSparseArray<String> mPassphraseCache = new LongSparseArray<String>();
private LongSparseArray<CachedPassphrase> mPassphraseCache = new LongSparseArray<CachedPassphrase>();
Context mContext;
@ -81,14 +85,17 @@ 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 +166,11 @@ 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, "Password");
return cachedPassphrase;
}
@ -176,13 +183,17 @@ 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);
if (cachedPassphrase == null) {
CachedPassphrase cachedPassphrase = mPassphraseCache.get(keyId);
if (cachedPassphrase == null && cachedPassphrase.getPassphrase() != 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;
@ -190,8 +201,8 @@ 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 +267,16 @@ 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);
// add keyId and passphrase to memory
mPassphraseCache.put(keyId, passphrase);
mPassphraseCache.put(keyId, new CachedPassphrase(passphrase, primaryUserID));
if (ttl > 0) {
// register new alarm with keyId for this passphrase
@ -341,4 +354,27 @@ 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;
}
}
}