Make export work with rowIds instead of MasterKeyIds

OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/helper/ExportHelper.java

@@ -63,7 +63,7 @@ public class ExportHelper {
     /**
      * Show dialog where to export keys
      */
-    public void showExportKeysDialog(final Uri dataUri, final int keyType,
+    public void showExportKeysDialog(final long[] rowIds, final int keyType,
             final String exportFilename) {
         mExportFilename = exportFilename;
 
@@ -75,7 +75,7 @@ public class ExportHelper {
                     Bundle data = message.getData();
                     mExportFilename = data.getString(FileDialogFragment.MESSAGE_DATA_FILENAME);
 
-                    exportKeys(dataUri, keyType);
+                    exportKeys(rowIds, keyType);
                 }
             }
         };
@@ -86,7 +86,7 @@ public class ExportHelper {
         DialogFragmentWorkaround.INTERFACE.runnableRunDelayed(new Runnable() {
             public void run() {
                 String title = null;
-                if (dataUri == null) {
+                if (rowIds == null) {
                     // export all keys
                     title = activity.getString(R.string.title_export_keys);
                 } else {
@@ -112,7 +112,7 @@ public class ExportHelper {
     /**
      * Export keys
      */
-    public void exportKeys(Uri dataUri, int keyType) {
+    public void exportKeys(long[] rowIds, int keyType) {
         Log.d(Constants.TAG, "exportKeys started");
 
         // Send all information needed to service to export key in other thread
@@ -126,13 +126,10 @@ public class ExportHelper {
         data.putString(KeychainIntentService.EXPORT_FILENAME, mExportFilename);
         data.putInt(KeychainIntentService.EXPORT_KEY_TYPE, keyType);
 
-        if (dataUri == null) {
+        if (rowIds == null) {
             data.putBoolean(KeychainIntentService.EXPORT_ALL, true);
         } else {
-            // TODO: put data uri into service???
+            data.putLongArray(KeychainIntentService.EXPORT_KEY_RING_ROW_ID, rowIds);
-            long keyRingMasterKeyId = ProviderHelper.getMasterKeyId(activity, dataUri);
-
-            data.putLong(KeychainIntentService.EXPORT_KEY_RING_MASTER_KEY_ID, keyRingMasterKeyId);
         }
 
         intent.putExtra(KeychainIntentService.EXTRA_DATA, data);

OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpImportExport.java

@@ -155,59 +155,53 @@ public class PgpImportExport {
         return returnData;
     }
 
-    public Bundle exportKeyRings(ArrayList<Long> keyRingMasterKeyIds, int keyType,
+    public Bundle exportKeyRings(ArrayList<Long> keyRingRowIds, int keyType,
                                  OutputStream outStream) throws PgpGeneralException, FileNotFoundException,
             PGPException, IOException {
         Bundle returnData = new Bundle();
 
+        int rowIdsSize = keyRingRowIds.size();
+
         updateProgress(
                 mContext.getResources().getQuantityString(R.plurals.progress_exporting_key,
-                        keyRingMasterKeyIds.size()), 0, 100);
+                        rowIdsSize), 0, 100);
 
         if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
             throw new PgpGeneralException(
                     mContext.getString(R.string.error_external_storage_not_ready));
         }
+        // For each row id
+        for (int i = 0; i < rowIdsSize; ++i) {
+            // Create an output stream
+            ArmoredOutputStream arOutStream = new ArmoredOutputStream(outStream);
+            arOutStream.setHeader("Version", PgpHelper.getFullVersion(mContext));
 
+            // If the keyType is secret get the PGPSecretKeyRing
+            // based on the row id and encode it to the output
             if (keyType == Id.type.secret_key) {
-            ArmoredOutputStream outSec = new ArmoredOutputStream(outStream);
+                updateProgress(i * 100 / rowIdsSize / 2, 100);
-            outSec.setHeader("Version", PgpHelper.getFullVersion(mContext));
+                PGPSecretKeyRing secretKeyRing =
-
+                        ProviderHelper.getPGPSecretKeyRingByRowId(mContext, keyRingRowIds.get(i));
-            for (int i = 0; i < keyRingMasterKeyIds.size(); ++i) {
-                updateProgress(i * 100 / keyRingMasterKeyIds.size() / 2, 100);
-
-                PGPSecretKeyRing secretKeyRing = ProviderHelper.getPGPSecretKeyRingByMasterKeyId(
-                        mContext, keyRingMasterKeyIds.get(i));
 
                 if (secretKeyRing != null) {
-                    secretKeyRing.encode(outSec);
+                    secretKeyRing.encode(arOutStream);
                 }
-            }
+                // Else if it's a public key get the PGPPublicKeyRing
-            outSec.close();
+                // and encode that to the output
             } else {
-            // export public keyrings...
+                updateProgress(i * 100 / rowIdsSize, 100);
-            ArmoredOutputStream outPub = new ArmoredOutputStream(outStream);
+                PGPPublicKeyRing publicKeyRing =
-            outPub.setHeader("Version", PgpHelper.getFullVersion(mContext));
+                        ProviderHelper.getPGPPublicKeyRingByRowId(mContext, keyRingRowIds.get(i));
-
-            for (int i = 0; i < keyRingMasterKeyIds.size(); ++i) {
-                // double the needed time if exporting both public and secret parts
-                if (keyType == Id.type.secret_key) {
-                    updateProgress(i * 100 / keyRingMasterKeyIds.size() / 2, 100);
-                } else {
-                    updateProgress(i * 100 / keyRingMasterKeyIds.size(), 100);
-                }
-
-                PGPPublicKeyRing publicKeyRing = ProviderHelper.getPGPPublicKeyRingByMasterKeyId(
-                        mContext, keyRingMasterKeyIds.get(i));
 
                 if (publicKeyRing != null) {
-                    publicKeyRing.encode(outPub);
+                    publicKeyRing.encode(arOutStream);
                 }
             }
-            outPub.close();
-        }
 
-        returnData.putInt(KeychainIntentService.RESULT_EXPORT, keyRingMasterKeyIds.size());
+            arOutStream.close();
+        }
+
+        returnData.putInt(KeychainIntentService.RESULT_EXPORT, rowIdsSize);
 
         updateProgress(R.string.progress_done, 100, 100);
 

OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/provider/ProviderHelper.java

@@ -404,6 +404,30 @@ 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
      */
@@ -420,6 +444,22 @@ public class ProviderHelper {
         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) {
         ContentResolver cr = context.getContentResolver();
         cr.delete(KeyRings.buildPublicKeyRingsUri(Long.toString(rowId)), null, null);

OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/service/KeychainIntentService.java

@@ -50,6 +50,7 @@ import org.sufficientlysecure.keychain.pgp.PgpImportExport;
 import org.sufficientlysecure.keychain.pgp.PgpKeyOperation;
 import org.sufficientlysecure.keychain.pgp.PgpSignEncrypt;
 import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException;
+import org.sufficientlysecure.keychain.provider.KeychainContract;
 import org.sufficientlysecure.keychain.provider.KeychainContract.DataStream;
 import org.sufficientlysecure.keychain.provider.ProviderHelper;
 import org.sufficientlysecure.keychain.ui.adapter.ImportKeysListEntry;
@@ -153,6 +154,7 @@ public class KeychainIntentService extends IntentService implements ProgressDial
     public static final String EXPORT_KEY_TYPE = "export_key_type";
     public static final String EXPORT_ALL = "export_all";
     public static final String EXPORT_KEY_RING_MASTER_KEY_ID = "export_key_ring_id";
+    public static final String EXPORT_KEY_RING_ROW_ID = "export_key_rind_row_id";
 
     // upload key
     public static final String UPLOAD_KEY_SERVER = "upload_key_server";
@@ -675,10 +677,12 @@ public class KeychainIntentService extends IntentService implements ProgressDial
 
                 String outputFile = data.getString(EXPORT_FILENAME);
 
+                long[] rowIds = new long[0];
+
+                // If not exporting all keys get the rowIds of the keys to export from the intent
                 boolean exportAll = data.getBoolean(EXPORT_ALL);
-                long keyRingMasterKeyId = -1;
                 if (!exportAll) {
-                    keyRingMasterKeyId = data.getLong(EXPORT_KEY_RING_MASTER_KEY_ID);
+                    rowIds = data.getLongArray(EXPORT_KEY_RING_ROW_ID);
                 }
 
                 /* Operation */
@@ -691,24 +695,26 @@ public class KeychainIntentService extends IntentService implements ProgressDial
                 // OutputStream
                 FileOutputStream outStream = new FileOutputStream(outputFile);
 
-                ArrayList<Long> keyRingMasterKeyIds = new ArrayList<Long>();
+                ArrayList<Long> keyRingRowIds = new ArrayList<Long>();
                 if (exportAll) {
+
                     // get all key ring row ids based on export type
-
                     if (keyType == Id.type.public_key) {
-                        keyRingMasterKeyIds = ProviderHelper.getPublicKeyRingsMasterKeyIds(this);
+                        keyRingRowIds = ProviderHelper.getPublicKeyRingsRowIds(this);
                     } else {
-                        keyRingMasterKeyIds = ProviderHelper.getSecretKeyRingsMasterKeyIds(this);
+                        keyRingRowIds = ProviderHelper.getSecretKeyRingsRowIds(this);
                     }
                 } else {
-                    keyRingMasterKeyIds.add(keyRingMasterKeyId);
+                    for(long rowId : rowIds) {
+                        keyRingRowIds.add(rowId);
+                    }
                 }
 
-                Bundle resultData = new Bundle();
+                Bundle resultData;
 
                 PgpImportExport pgpImportExport = new PgpImportExport(this, this);
                 resultData = pgpImportExport
-                        .exportKeyRings(keyRingMasterKeyIds, keyType, outStream);
+                        .exportKeyRings(keyRingRowIds, keyType, outStream);
 
                 sendMessageToHandler(KeychainIntentServiceHandler.MESSAGE_OKAY, resultData);
             } catch (Exception e) {

OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyActivity.java

@@ -329,7 +329,8 @@ public class EditKeyActivity extends ActionBarActivity {
             cancelClicked();
             return true;
         case R.id.menu_key_edit_export_file:
-            mExportHelper.showExportKeysDialog(mDataUri, Id.type.secret_key, Constants.path.APP_DIR
+            long[] ids = new long[]{Long.valueOf(mDataUri.getLastPathSegment())};
+            mExportHelper.showExportKeysDialog(ids, Id.type.secret_key, Constants.path.APP_DIR
                     + "/secexport.asc");
             return true;
         case R.id.menu_key_edit_delete: {

OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java

@@ -118,7 +118,8 @@ public class ViewKeyActivity extends ActionBarActivity {
                 uploadToKeyserver(mDataUri);
                 return true;
             case R.id.menu_key_view_export_file:
-                mExportHelper.showExportKeysDialog(mDataUri, Id.type.public_key, Constants.path.APP_DIR
+                long[] ids = new long[]{Long.valueOf(mDataUri.getLastPathSegment())};
+                mExportHelper.showExportKeysDialog(ids, Id.type.public_key, Constants.path.APP_DIR
                         + "/pubexport.asc");
                 return true;
             case R.id.menu_key_view_share_default_fingerprint: