diff options
Diffstat (limited to 'OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/provider/ProviderHelper.java')
| -rw-r--r-- | OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/provider/ProviderHelper.java | 418 |
1 files changed, 89 insertions, 329 deletions
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/provider/ProviderHelper.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/provider/ProviderHelper.java index 133b4e7f7..3f96a51ef 100644 --- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/provider/ProviderHelper.java +++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/provider/ProviderHelper.java @@ -81,79 +81,41 @@ public class ProviderHelper { return keyRing; } - /** - * Retrieves the actual PGPPublicKeyRing object from the database blob based on the rowId - */ - public static PGPPublicKeyRing getPGPPublicKeyRingByRowId(Context context, long rowId) { - Uri queryUri = KeyRings.buildPublicKeyRingsUri(Long.toString(rowId)); - return (PGPPublicKeyRing) getPGPKeyRing(context, queryUri); + public static PGPPublicKey getPGPPublicKeyByKeyId(Context context, long keyId) { + return getPGPPublicKeyRingWithKeyId(context, keyId).getPublicKey(keyId); } - - /** - * Retrieves the actual PGPPublicKeyRing object from the database blob based on the masterKeyId - */ - public static PGPPublicKeyRing getPGPPublicKeyRingByMasterKeyId(Context context, - long masterKeyId) { - Uri queryUri = KeyRings.buildPublicKeyRingsByMasterKeyIdUri(Long.toString(masterKeyId)); - return (PGPPublicKeyRing) getPGPKeyRing(context, queryUri); + public static PGPPublicKeyRing getPGPPublicKeyRingWithKeyId(Context context, long keyId) { + // todo do + return null; } - /** - * Retrieves the actual PGPPublicKeyRing object from the database blob associated with a key - * with this keyId - */ - public static PGPPublicKeyRing getPGPPublicKeyRingByKeyId(Context context, long keyId) { - Uri queryUri = KeyRings.buildPublicKeyRingsByKeyIdUri(Long.toString(keyId)); - return (PGPPublicKeyRing) getPGPKeyRing(context, queryUri); + public static PGPSecretKey getPGPSecretKeyByKeyId(Context context, long keyId) { + return getPGPSecretKeyRingWithKeyId(context, keyId).getSecretKey(keyId); } - - /** - * Retrieves the actual PGPPublicKey object from the database blob associated with a key with - * this keyId - */ - public static PGPPublicKey getPGPPublicKeyByKeyId(Context context, long keyId) { - PGPPublicKeyRing keyRing = getPGPPublicKeyRingByKeyId(context, keyId); - - return (keyRing == null) ? null : keyRing.getPublicKey(keyId); + public static PGPSecretKeyRing getPGPSecretKeyRingWithKeyId(Context context, long keyId) { + // todo do + return null; } /** - * Retrieves the actual PGPSecretKeyRing object from the database blob based on the rowId + * Retrieves the actual PGPPublicKeyRing object from the database blob based on the masterKeyId */ - public static PGPSecretKeyRing getPGPSecretKeyRingByRowId(Context context, long rowId) { - Uri queryUri = KeyRings.buildSecretKeyRingsUri(Long.toString(rowId)); - return (PGPSecretKeyRing) getPGPKeyRing(context, queryUri); + public static PGPPublicKeyRing getPGPPublicKeyRing(Context context, + long masterKeyId) { + Uri queryUri = KeyRings.buildPublicKeyRingUri(Long.toString(masterKeyId)); + return (PGPPublicKeyRing) getPGPKeyRing(context, queryUri); } /** * Retrieves the actual PGPSecretKeyRing object from the database blob based on the maserKeyId */ - public static PGPSecretKeyRing getPGPSecretKeyRingByMasterKeyId(Context context, + public static PGPSecretKeyRing getPGPSecretKeyRing(Context context, long masterKeyId) { - Uri queryUri = KeyRings.buildSecretKeyRingsByMasterKeyIdUri(Long.toString(masterKeyId)); - return (PGPSecretKeyRing) getPGPKeyRing(context, queryUri); - } - - /** - * Retrieves the actual PGPSecretKeyRing object from the database blob associated with a key - * with this keyId - */ - public static PGPSecretKeyRing getPGPSecretKeyRingByKeyId(Context context, long keyId) { - Uri queryUri = KeyRings.buildSecretKeyRingsByKeyIdUri(Long.toString(keyId)); + Uri queryUri = KeyRings.buildSecretKeyRingUri(Long.toString(masterKeyId)); return (PGPSecretKeyRing) getPGPKeyRing(context, queryUri); } /** - * Retrieves the actual PGPSecretKey object from the database blob associated with a key with - * this keyId - */ - public static PGPSecretKey getPGPSecretKeyByKeyId(Context context, long keyId) { - PGPSecretKeyRing keyRing = getPGPSecretKeyRingByKeyId(context, keyId); - - return (keyRing == null) ? null : keyRing.getSecretKey(keyId); - } - - /** * Saves PGPPublicKeyRing with its keys and userIds in DB */ @SuppressWarnings("unchecked") @@ -161,21 +123,13 @@ public class ProviderHelper { PGPPublicKey masterKey = keyRing.getPublicKey(); long masterKeyId = masterKey.getKeyID(); - Uri deleteUri = KeyRings.buildPublicKeyRingsByMasterKeyIdUri(Long.toString(masterKeyId)); - - // get current _ID of key - long currentRowId = -1; - Cursor oldQuery = context.getContentResolver() - .query(deleteUri, new String[]{KeyRings._ID}, null, null, null); - if (oldQuery != null && oldQuery.moveToFirst()) { - currentRowId = oldQuery.getLong(0); - } else { - Log.e(Constants.TAG, "Key could not be found! Something wrong is happening!"); - } + // IF there is a secret key, preserve it! + // TODO This even necessary? + // PGPSecretKeyRing secretRing = ProviderHelper.getPGPSecretKeyRing(context, masterKeyId); // delete old version of this keyRing, which also deletes all keys and userIds on cascade try { - context.getContentResolver().delete(deleteUri, null, null); + context.getContentResolver().delete(KeyRings.buildPublicKeyRingUri(Long.toString(masterKeyId)), null, null); } catch (UnsupportedOperationException e) { Log.e(Constants.TAG, "Key could not be deleted! Maybe we are creating a new one!", e); } @@ -185,29 +139,25 @@ public class ProviderHelper { // NOTE: If we would not use the same _ID again, // getting back to the ViewKeyActivity would result in Nullpointer, // because the currently loaded key would be gone from the database - if (currentRowId != -1) { - values.put(KeyRings._ID, currentRowId); - } values.put(KeyRings.MASTER_KEY_ID, masterKeyId); values.put(KeyRings.KEY_RING_DATA, keyRing.getEncoded()); // insert new version of this keyRing - Uri uri = KeyRings.buildPublicKeyRingsUri(); + Uri uri = KeyRings.buildPublicKeyRingUri(Long.toString(masterKeyId)); Uri insertedUri = context.getContentResolver().insert(uri, values); - long keyRingRowId = Long.valueOf(insertedUri.getLastPathSegment()); // save all keys and userIds included in keyRing object in database ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(); int rank = 0; for (PGPPublicKey key : new IterableIterator<PGPPublicKey>(keyRing.getPublicKeys())) { - operations.add(buildPublicKeyOperations(context, keyRingRowId, key, rank)); + operations.add(buildPublicKeyOperations(context, masterKeyId, key, rank)); ++rank; } int userIdRank = 0; for (String userId : new IterableIterator<String>(masterKey.getUserIDs())) { - operations.add(buildPublicUserIdOperations(context, keyRingRowId, userId, userIdRank)); + operations.add(buildUserIdOperations(context, masterKeyId, userId, userIdRank)); ++userIdRank; } @@ -220,7 +170,6 @@ public class ProviderHelper { // operations.add(buildPublicKeyOperations(context, keyRingRowId, key, rank)); } - try { context.getContentResolver().applyBatch(KeychainContract.CONTENT_AUTHORITY, operations); } catch (RemoteException e) { @@ -228,6 +177,12 @@ public class ProviderHelper { } catch (OperationApplicationException e) { Log.e(Constants.TAG, "applyBatch failed!", e); } + + // Save the saved keyring (if any) + // TODO this even necessary? see above... + // if(secretRing != null) + // saveKeyRing(context, secretRing); + } /** @@ -238,104 +193,46 @@ public class ProviderHelper { PGPSecretKey masterKey = keyRing.getSecretKey(); long masterKeyId = masterKey.getKeyID(); - Uri deleteUri = KeyRings.buildSecretKeyRingsByMasterKeyIdUri(Long.toString(masterKeyId)); - - // get current _ID of key - long currentRowId = -1; - Cursor oldQuery = context.getContentResolver() - .query(deleteUri, new String[]{KeyRings._ID}, null, null, null); - if (oldQuery != null && oldQuery.moveToFirst()) { - currentRowId = oldQuery.getLong(0); - } else { - Log.e(Constants.TAG, "Key could not be found! Something wrong is happening!"); - } + // TODO Make sure there is a public key for this secret key in the db (create one maybe) - // delete old version of this keyRing, which also deletes all keys and userIds on cascade - try { - context.getContentResolver().delete(deleteUri, null, null); - } catch (UnsupportedOperationException e) { - Log.e(Constants.TAG, "Key could not be deleted! Maybe we are creating a new one!", e); + { + ContentValues values = new ContentValues(); + values.put(KeyRings.MASTER_KEY_ID, masterKeyId); + values.put(KeyRings.KEY_RING_DATA, keyRing.getEncoded()); + // insert new version of this keyRing + Uri uri = KeyRings.buildSecretKeyRingUri(Long.toString(masterKeyId)); + context.getContentResolver().insert(uri, values); } - ContentValues values = new ContentValues(); - // use exactly the same _ID again to replace key in-place. - // NOTE: If we would not use the same _ID again, - // getting back to the ViewKeyActivity would result in Nullpointer, - // because the currently loaded key would be gone from the database - if (currentRowId != -1) { - values.put(KeyRings._ID, currentRowId); - } - values.put(KeyRings.MASTER_KEY_ID, masterKeyId); - values.put(KeyRings.KEY_RING_DATA, keyRing.getEncoded()); - - // insert new version of this keyRing - Uri uri = KeyRings.buildSecretKeyRingsUri(); - Uri insertedUri = context.getContentResolver().insert(uri, values); - long keyRingRowId = Long.valueOf(insertedUri.getLastPathSegment()); - - // save all keys and userIds included in keyRing object in database - ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(); - - int rank = 0; - for (PGPSecretKey key : new IterableIterator<PGPSecretKey>(keyRing.getSecretKeys())) { - operations.add(buildSecretKeyOperations(context, keyRingRowId, key, rank)); - ++rank; - } - - int userIdRank = 0; - for (String userId : new IterableIterator<String>(masterKey.getUserIDs())) { - operations.add(buildSecretUserIdOperations(context, keyRingRowId, userId, userIdRank)); - ++userIdRank; - } - - try { - context.getContentResolver().applyBatch(KeychainContract.CONTENT_AUTHORITY, operations); - } catch (RemoteException e) { - Log.e(Constants.TAG, "applyBatch failed!", e); - } catch (OperationApplicationException e) { - Log.e(Constants.TAG, "applyBatch failed!", e); - } } /** * Build ContentProviderOperation to add PGPPublicKey to database corresponding to a keyRing */ - private static ContentProviderOperation buildPublicKeyOperations( - Context context, long keyRingRowId, PGPPublicKey key, int rank) throws IOException { + private static ContentProviderOperation buildPublicKeyOperations(Context context, + long masterKeyId, PGPPublicKey key, int rank) throws IOException { + ContentValues values = new ContentValues(); + values.put(Keys.MASTER_KEY_ID, masterKeyId); + values.put(Keys.RANK, rank); + values.put(Keys.KEY_ID, key.getKeyID()); - values.put(Keys.IS_MASTER_KEY, key.isMasterKey()); - values.put(Keys.ALGORITHM, key.getAlgorithm()); values.put(Keys.KEY_SIZE, key.getBitStrength()); - values.put(Keys.CAN_SIGN, PgpKeyHelper.isSigningKey(key)); + values.put(Keys.ALGORITHM, key.getAlgorithm()); + values.put(Keys.FINGERPRINT, key.getFingerprint()); + + values.put(Keys.CAN_CERTIFY, (PgpKeyHelper.isCertificationKey(key))); + values.put(Keys.CAN_SIGN, (PgpKeyHelper.isSigningKey(key))); values.put(Keys.CAN_ENCRYPT, PgpKeyHelper.isEncryptionKey(key)); values.put(Keys.IS_REVOKED, key.isRevoked()); + values.put(Keys.CREATION, PgpKeyHelper.getCreationDate(key).getTime() / 1000); Date expiryDate = PgpKeyHelper.getExpiryDate(key); if (expiryDate != null) { values.put(Keys.EXPIRY, expiryDate.getTime() / 1000); } - values.put(Keys.KEY_RING_ROW_ID, keyRingRowId); - values.put(Keys.KEY_DATA, key.getEncoded()); - values.put(Keys.RANK, rank); - values.put(Keys.FINGERPRINT, key.getFingerprint()); - - Uri uri = Keys.buildPublicKeysUri(Long.toString(keyRingRowId)); - - return ContentProviderOperation.newInsert(uri).withValues(values).build(); - } - - /** - * Build ContentProviderOperation to add PublicUserIds to database corresponding to a keyRing - */ - private static ContentProviderOperation buildPublicUserIdOperations( - Context context, long keyRingRowId, String userId, int rank) { - ContentValues values = new ContentValues(); - values.put(UserIds.KEY_RING_ROW_ID, keyRingRowId); - values.put(UserIds.USER_ID, userId); - values.put(UserIds.RANK, rank); - Uri uri = UserIds.buildPublicUserIdsUri(Long.toString(keyRingRowId)); + Uri uri = Keys.buildKeysUri(Long.toString(masterKeyId)); return ContentProviderOperation.newInsert(uri).withValues(values).build(); } @@ -343,51 +240,22 @@ public class ProviderHelper { /** * Build ContentProviderOperation to add PGPSecretKey to database corresponding to a keyRing */ - private static ContentProviderOperation buildSecretKeyOperations( - Context context, long keyRingRowId, PGPSecretKey key, int rank) throws IOException { - ContentValues values = new ContentValues(); - - boolean hasPrivate = true; - if (key.isMasterKey()) { - if (key.isPrivateKeyEmpty()) { - hasPrivate = false; - } - } - - values.put(Keys.KEY_ID, key.getKeyID()); - values.put(Keys.IS_MASTER_KEY, key.isMasterKey()); - values.put(Keys.ALGORITHM, key.getPublicKey().getAlgorithm()); - values.put(Keys.KEY_SIZE, key.getPublicKey().getBitStrength()); - values.put(Keys.CAN_CERTIFY, (PgpKeyHelper.isCertificationKey(key) && hasPrivate)); - values.put(Keys.CAN_SIGN, (PgpKeyHelper.isSigningKey(key) && hasPrivate)); - values.put(Keys.CAN_ENCRYPT, PgpKeyHelper.isEncryptionKey(key)); - values.put(Keys.IS_REVOKED, key.getPublicKey().isRevoked()); - values.put(Keys.CREATION, PgpKeyHelper.getCreationDate(key).getTime() / 1000); - Date expiryDate = PgpKeyHelper.getExpiryDate(key); - if (expiryDate != null) { - values.put(Keys.EXPIRY, expiryDate.getTime() / 1000); - } - values.put(Keys.KEY_RING_ROW_ID, keyRingRowId); - values.put(Keys.KEY_DATA, key.getEncoded()); - values.put(Keys.RANK, rank); - values.put(Keys.FINGERPRINT, key.getPublicKey().getFingerprint()); - - Uri uri = Keys.buildSecretKeysUri(Long.toString(keyRingRowId)); - - return ContentProviderOperation.newInsert(uri).withValues(values).build(); + private static ContentProviderOperation buildSecretKeyOperations(Context context, + long masterKeyId, PGPSecretKey key, int rank) throws IOException { + return buildPublicKeyOperations(context, masterKeyId, key.getPublicKey(), rank); } /** - * Build ContentProviderOperation to add SecretUserIds to database corresponding to a keyRing + * Build ContentProviderOperation to add PublicUserIds to database corresponding to a keyRing */ - private static ContentProviderOperation buildSecretUserIdOperations( - Context context, long keyRingRowId, String userId, int rank) { + private static ContentProviderOperation buildUserIdOperations(Context context, + long masterKeyId, String userId, int rank) { ContentValues values = new ContentValues(); - values.put(UserIds.KEY_RING_ROW_ID, keyRingRowId); + values.put(UserIds.MASTER_KEY_ID, masterKeyId); values.put(UserIds.USER_ID, userId); values.put(UserIds.RANK, rank); - Uri uri = UserIds.buildSecretUserIdsUri(Long.toString(keyRingRowId)); + Uri uri = UserIds.buildUserIdsUri(Long.toString(masterKeyId)); return ContentProviderOperation.newInsert(uri).withValues(values).build(); } @@ -416,143 +284,55 @@ public class ProviderHelper { return masterKeyIds; } - /** - * Private helper method - */ - private static ArrayList<Long> getKeyRingsRowIds(Context context, Uri queryUri) { - Cursor cursor = context.getContentResolver().query(queryUri, - new String[]{KeyRings._ID}, null, null, null); - - ArrayList<Long> rowIds = new ArrayList<Long>(); - if (cursor != null) { - int idCol = cursor.getColumnIndex(KeyRings._ID); - if (cursor.moveToFirst()) { - do { - rowIds.add(cursor.getLong(idCol)); - } while (cursor.moveToNext()); - } - } - - if (cursor != null) { - cursor.close(); - } - - return rowIds; - } - - /** - * Retrieves ids of all SecretKeyRings - */ - public static ArrayList<Long> getSecretKeyRingsMasterKeyIds(Context context) { - Uri queryUri = KeyRings.buildSecretKeyRingsUri(); - return getKeyRingsMasterKeyIds(context, queryUri); - } - - /** - * Retrieves ids of all PublicKeyRings - */ - public static ArrayList<Long> getPublicKeyRingsMasterKeyIds(Context context) { - Uri queryUri = KeyRings.buildPublicKeyRingsUri(); - return getKeyRingsMasterKeyIds(context, queryUri); - } - - /** - * Retrieves ids of all SecretKeyRings - */ - public static ArrayList<Long> getSecretKeyRingsRowIds(Context context) { - Uri queryUri = KeyRings.buildSecretKeyRingsUri(); - return getKeyRingsRowIds(context, queryUri); - } - - /** - * Retrieves ids of all PublicKeyRings - */ - public static ArrayList<Long> getPublicKeyRingsRowIds(Context context) { - Uri queryUri = KeyRings.buildPublicKeyRingsUri(); - return getKeyRingsRowIds(context, queryUri); - } - - public static void deletePublicKeyRing(Context context, long rowId) { + public static void deletePublicKeyRing(Context context, long masterKeyId) { ContentResolver cr = context.getContentResolver(); - cr.delete(KeyRings.buildPublicKeyRingsUri(Long.toString(rowId)), null, null); + cr.delete(KeyRings.buildPublicKeyRingUri(Long.toString(masterKeyId)), null, null); } - public static void deleteSecretKeyRing(Context context, long rowId) { + public static void deleteSecretKeyRing(Context context, long masterKeyId) { ContentResolver cr = context.getContentResolver(); - cr.delete(KeyRings.buildSecretKeyRingsUri(Long.toString(rowId)), null, null); - } - - public static void deleteUnifiedKeyRing(Context context, String masterKeyId, boolean isSecretKey) { - ContentResolver cr = context.getContentResolver(); - cr.delete(KeyRings.buildPublicKeyRingsByMasterKeyIdUri(masterKeyId), null, null); - if (isSecretKey) { - cr.delete(KeyRings.buildSecretKeyRingsByMasterKeyIdUri(masterKeyId), null, null); - } - + cr.delete(KeyRings.buildSecretKeyRingUri(Long.toString(masterKeyId)), null, null); } - /** - * Get master key id of keyring by its row id - */ - public static long getPublicMasterKeyId(Context context, long keyRingRowId) { - Uri queryUri = KeyRings.buildPublicKeyRingsUri(String.valueOf(keyRingRowId)); - return getMasterKeyId(context, queryUri); - } - - /** - * Get empty status of master key of keyring by its row id - */ - public static boolean getSecretMasterKeyCanCertify(Context context, long keyRingRowId) { - Uri queryUri = KeyRings.buildSecretKeyRingsUri(String.valueOf(keyRingRowId)); - return getMasterKeyCanCertify(context, queryUri); - } + public static boolean getMasterKeyCanCertify(Context context, Uri queryUri) { + // TODO redo - /** - * Private helper method to get master key private empty status of keyring by its row id - */ + return false; - public static boolean getMasterKeyCanCertify(Context context, Uri queryUri) { - String[] projection = new String[] { - KeyRings.MASTER_KEY_ID, - "(SELECT COUNT(sign_keys." + Keys._ID + ") FROM " + Tables.KEYS - + " AS sign_keys WHERE sign_keys." + Keys.KEY_RING_ROW_ID + " = " - + KeychainDatabase.Tables.KEY_RINGS + "." + KeyRings._ID - + " AND sign_keys." + Keys.CAN_CERTIFY + " = '1' AND " + Keys.IS_MASTER_KEY - + " = 1) AS sign", - }; + /* + String[] projection = new String[]{ + KeyRings.MASTER_KEY_ID, + "(SELECT COUNT(sign_keys." + Keys._ID + ") FROM " + Tables.KEYS + + " AS sign_keys WHERE sign_keys." + Keys.KEY_RING_ROW_ID + " = " + + KeychainDatabase.Tables.KEY_RINGS + "." + KeyRings._ID + + " AND sign_keys." + Keys.CAN_CERTIFY + " = '1' AND " + Keys.IS_MASTER_KEY + + " = 1) AS sign",}; - ContentResolver cr = context.getContentResolver(); - Cursor cursor = cr.query(queryUri, projection, null, null, null); + ContentResolver cr = context.getContentResolver(); + Cursor cursor = cr.query(queryUri, projection, null, null, null); - long masterKeyId = -1; - if (cursor != null && cursor.moveToFirst()) { - int masterKeyIdCol = cursor.getColumnIndex("sign"); + long masterKeyId = -1; + if (cursor != null && cursor.moveToFirst()) { + int masterKeyIdCol = cursor.getColumnIndex("sign"); - masterKeyId = cursor.getLong(masterKeyIdCol); - } + masterKeyId = cursor.getLong(masterKeyIdCol); + } - if (cursor != null) { - cursor.close(); - } + if (cursor != null) { + cursor.close(); + } - return (masterKeyId > 0); + return (masterKeyId > 0); + */ } public static boolean hasSecretKeyByMasterKeyId(Context context, long masterKeyId) { - Uri queryUri = KeyRings.buildSecretKeyRingsByMasterKeyIdUri(Long.toString(masterKeyId)); + Uri queryUri = KeyRings.buildSecretKeyRingUri(Long.toString(masterKeyId)); // see if we can get our master key id back from the uri return getMasterKeyId(context, queryUri) == masterKeyId; } /** - * Get master key id of keyring by its row id - */ - public static long getSecretMasterKeyId(Context context, long keyRingRowId) { - Uri queryUri = KeyRings.buildSecretKeyRingsUri(String.valueOf(keyRingRowId)); - return getMasterKeyId(context, queryUri); - } - - /** * Get master key id of key */ public static long getMasterKeyId(Context context, Uri queryUri) { @@ -636,10 +416,10 @@ public class ProviderHelper { } } - PGPPublicKey key = ProviderHelper.getPGPPublicKeyByKeyId(context, masterKeyId); + PGPPublicKey key = ProviderHelper.getPGPPublicKeyRing(context, masterKeyId).getPublicKey(); // if it is no public key get it from your own keys... if (key == null) { - PGPSecretKey secretKey = ProviderHelper.getPGPSecretKeyByKeyId(context, masterKeyId); + PGPSecretKey secretKey = ProviderHelper.getPGPSecretKeyRing(context, masterKeyId).getSecretKey(); if (secretKey == null) { Log.e(Constants.TAG, "Key could not be found!"); return null; @@ -653,26 +433,6 @@ public class ProviderHelper { return fingerprint; } - public static String getUserId(Context context, Uri queryUri) { - String[] projection = new String[]{UserIds.USER_ID}; - Cursor cursor = context.getContentResolver().query(queryUri, projection, null, null, null); - - String userId = null; - try { - if (cursor != null && cursor.moveToFirst()) { - int col = cursor.getColumnIndexOrThrow(UserIds.USER_ID); - - userId = cursor.getString(col); - } - } finally { - if (cursor != null) { - cursor.close(); - } - } - - return userId; - } - public static ArrayList<String> getKeyRingsAsArmoredString(Context context, Uri uri, long[] masterKeyIds) { ArrayList<String> output = new ArrayList<String>(); 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