1 files changed, 28 insertions, 2 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 dd538fbf4..1c05344d6 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
@@ -483,13 +483,13 @@ public class ProviderHelper {
      */
     public static boolean getSecretMasterKeyCanSign(Context context, long keyRingRowId) {
         Uri queryUri = KeyRings.buildSecretKeyRingsUri(String.valueOf(keyRingRowId));
-        return getMasterKeyCanSign(context, queryUri, keyRingRowId);
+        return getMasterKeyCanSign(context, queryUri);
     }
 
     /**
      * Private helper method to get master key private empty status of keyring by its row id
      */
-    private static boolean getMasterKeyCanSign(Context context, Uri queryUri, long keyRingRowId) {
+    public static boolean getMasterKeyCanSign(Context context, Uri queryUri) {
         String[] projection = new String[]{
                 KeyRings.MASTER_KEY_ID,
                 "(SELECT COUNT(sign_keys." + Keys._ID + ") FROM " + Tables.KEYS
@@ -515,6 +515,12 @@ public class ProviderHelper {
         return (masterKeyId > 0);
     }
 
+    public static boolean hasSecretKeyByMasterKeyId(Context context, long masterKeyId) {
+        Uri queryUri = KeyRings.buildSecretKeyRingsByMasterKeyIdUri(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
      */
@@ -546,6 +552,26 @@ public class ProviderHelper {
         return masterKeyId;
     }
 
+    public static long getRowId(Context context, Uri queryUri) {
+        String[] projection = new String[]{KeyRings._ID};
+        Cursor cursor = context.getContentResolver().query(queryUri, projection, null, null, null);
+
+        long rowId = 0;
+        try {
+            if (cursor != null && cursor.moveToFirst()) {
+                int idCol = cursor.getColumnIndexOrThrow(KeyRings._ID);
+
+                rowId = cursor.getLong(idCol);
+            }
+        } finally {
+            if (cursor != null) {
+                cursor.close();
+            }
+        }
+
+        return rowId;
+    }
+
     /**
      * Get fingerprint of key
      */