Temporary fix for multi export

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/ExportOperation.java

@@ -27,12 +27,14 @@ import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.net.Proxy;
+import java.util.Collections;
 import java.util.concurrent.atomic.AtomicBoolean;
 
 import android.content.Context;
 import android.database.Cursor;
 import android.net.Uri;
 import android.support.annotation.NonNull;
+import android.text.TextUtils;
 
 import org.spongycastle.bcpg.ArmoredOutputStream;
 import org.sufficientlysecure.keychain.Constants;
@@ -211,21 +213,21 @@ public class ExportOperation extends BaseOperation<ExportKeyringParcel> {
         Cursor cursor = null;
         try {
 
-            String selection = null, ids[] = null;
+            String selection = null, selectionArgs[] = null;
 
             if (masterKeyIds != null) {
-                // generate placeholders and string selection args
+                // convert long[] to String[]
-                ids = new String[masterKeyIds.length];
+                selectionArgs = new String[masterKeyIds.length];
-                StringBuilder placeholders = new StringBuilder("?");
                 for (int i = 0; i < masterKeyIds.length; i++) {
-                    ids[i] = Long.toString(masterKeyIds[i]);
+                    selectionArgs[i] = Long.toString(masterKeyIds[i]);
-                    if (i != 0) {
-                        placeholders.append(",?");
-                    }
                 }
 
+                // generates ?,?,? as placeholders for selectionArgs
+                String placeholders = TextUtils.join(",",
+                        Collections.nCopies(masterKeyIds.length, "?"));
+
                 // put together selection string
-                selection = Tables.KEY_RINGS_PUBLIC + "." + KeyRings.MASTER_KEY_ID
+                selection = Tables.KEYS + "." + KeyRings.MASTER_KEY_ID
                         + " IN (" + placeholders + ")";
             }
 
@@ -233,7 +235,7 @@ public class ExportOperation extends BaseOperation<ExportKeyringParcel> {
                     KeyRings.buildUnifiedKeyRingsUri(), new String[]{
                             KeyRings.MASTER_KEY_ID, KeyRings.PUBKEY_DATA,
                             KeyRings.PRIVKEY_DATA, KeyRings.HAS_ANY_SECRET
-                    }, selection, ids, Tables.KEYS + "." + KeyRings.MASTER_KEY_ID
+                    }, selection, selectionArgs, Tables.KEYS + "." + KeyRings.MASTER_KEY_ID
             );
 
             if (cursor == null || !cursor.moveToFirst()) {

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListFragment.java

@@ -118,6 +118,7 @@ public class KeyListFragment extends LoaderFragment
 
     // This ids for multiple key export.
     private ArrayList<Long> mIdsForRepeatAskPassphrase;
+    private ArrayList<Long> mIdsForExport;
     // This index for remembering the number of master key.
     private int mIndex;
 
@@ -642,6 +643,7 @@ public class KeyListFragment extends LoaderFragment
 
     private void showMultiExportDialog(long[] masterKeyIds) {
         mIdsForRepeatAskPassphrase = new ArrayList<>();
+        mIdsForExport = new ArrayList<>();
         for (long id : masterKeyIds) {
             try {
                 if (PassphraseCacheService.getCachedPassphrase(
@@ -651,6 +653,7 @@ public class KeyListFragment extends LoaderFragment
             } catch (PassphraseCacheService.KeyNotFoundException e) {
                 // This happens when the master key is stripped
                 // and ignore this key.
+                mIdsForExport.add(id);
             }
         }
         mIndex = 0;
@@ -658,13 +661,9 @@ public class KeyListFragment extends LoaderFragment
             startPassphraseActivity();
             return;
         }
-        long[] idsForMultiExport = new long[mIdsForRepeatAskPassphrase.size()];
+
-        for (int i = 0; i < mIdsForRepeatAskPassphrase.size(); ++i) {
+        mIdsForExport.addAll(mIdsForRepeatAskPassphrase);
-            idsForMultiExport[i] = mIdsForRepeatAskPassphrase.get(i);
+        finishExport();
-        }
-        mExportHelper.showExportKeysDialog(idsForMultiExport,
-                Constants.Path.APP_DIR_FILE,
-                mAdapter.isAnySecretSelected());
     }
 
     private void startPassphraseActivity() {
@@ -674,6 +673,16 @@ public class KeyListFragment extends LoaderFragment
         startActivityForResult(intent, REQUEST_REPEAT_PASSPHRASE);
     }
 
+    private void finishExport() {
+        long[] idsForMultiExport = new long[mIdsForExport.size()];
+        for (int i = 0; i < mIdsForExport.size(); i++) {
+            idsForMultiExport[i] = mIdsForExport.get(i);
+        }
+        mExportHelper.showExportKeysDialog(idsForMultiExport,
+                Constants.Path.APP_DIR_FILE,
+                mAdapter.isAnySecretSelected());
+    }
+
     @Override
     public void onActivityResult(int requestCode, int resultCode, Intent data) {
         if (mImportOpHelper != null) {
@@ -692,13 +701,9 @@ public class KeyListFragment extends LoaderFragment
                 startPassphraseActivity();
                 return;
             }
-            long[] idsForMultiExport = new long[mIdsForRepeatAskPassphrase.size()];
+
-            for (int i = 0; i < mIdsForRepeatAskPassphrase.size(); ++i) {
+            mIdsForExport.addAll(mIdsForRepeatAskPassphrase);
-                idsForMultiExport[i] = mIdsForRepeatAskPassphrase.get(i);
+            finishExport();
-            }
-            mExportHelper.showExportKeysDialog(idsForMultiExport,
-                    Constants.Path.APP_DIR_FILE,
-                    mAdapter.isAnySecretSelected());
         }
 
         if (requestCode == REQUEST_ACTION) {