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Merge pull request #428 from michaelschattgen/feature/qr-transfer

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Add ability to transfer tokens with qr codes
This commit is contained in:
Alexander Bakker 2020-06-06 12:24:14 +02:00 • committed by GitHub
commit cca8c9bdf7
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9 changed files with 293 additions and 3 deletions
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3
app/src/main/java/com/beemdevelopment/aegis/otp/GoogleAuthInfo.java
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@ -8,10 +8,11 @@ import com.beemdevelopment.aegis.encoding.Base64;
import com.beemdevelopment.aegis.encoding.EncodingException;
import com.google.protobuf.InvalidProtocolBufferException;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
public class GoogleAuthInfo {
public class GoogleAuthInfo implements Serializable {
public static final String SCHEME = "otpauth";
public static final String SCHEME_EXPORT = "otpauth-migration";

14
app/src/main/java/com/beemdevelopment/aegis/ui/MainActivity.java
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@ -754,6 +754,20 @@ public class MainActivity extends AegisActivity implements EntryListView.Listene
mode.finish();
return true;
case R.id.action_share_qr:
Intent intent = new Intent(getBaseContext(), TransferEntriesActivity.class);
ArrayList<GoogleAuthInfo> authInfos = new ArrayList<>();
for (VaultEntry entry : _selectedEntries) {
GoogleAuthInfo authInfo = new GoogleAuthInfo(entry.getInfo(), entry.getName(), entry.getIssuer());
authInfos.add(authInfo);
}
intent.putExtra("authInfos", authInfos);
startActivity(intent);
mode.finish();
return true;
case R.id.action_delete:
Dialogs.showDeleteEntriesDialog(MainActivity.this, (d, which) -> {
deleteEntries(_selectedEntries);

136
app/src/main/java/com/beemdevelopment/aegis/ui/TransferEntriesActivity.java Normal file
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@ -0,0 +1,136 @@
package com.beemdevelopment.aegis.ui;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.os.Bundle;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
import com.beemdevelopment.aegis.R;
import com.beemdevelopment.aegis.otp.GoogleAuthInfo;
import com.beemdevelopment.aegis.vault.VaultEntry;
import com.beemdevelopment.aegis.vault.VaultManager;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.WriterException;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.qrcode.QRCodeWriter;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
public class TransferEntriesActivity extends AegisActivity {
private List<GoogleAuthInfo> _authInfos;
private ImageView _qrImage;
private TextView _issuer;
private TextView _accountName;
private TextView _entriesCount;
private Button _nextButton;
private Button _previousButton;
private VaultManager _vault;
private int _currentEntryCount = 1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_share_entry);
_vault = getApp().getVaultManager();
_qrImage = findViewById(R.id.ivQrCode);
_issuer = findViewById(R.id.tvIssuer);
_accountName = findViewById(R.id.tvAccountName);
_entriesCount = findViewById(R.id.tvEntriesCount);
_nextButton = findViewById(R.id.btnNext);
_previousButton = findViewById(R.id.btnPrevious);
if (getSupportActionBar() != null){
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
getSupportActionBar().setDisplayShowHomeEnabled(true);
}
Intent intent = getIntent();
_authInfos = (ArrayList<GoogleAuthInfo>) intent.getSerializableExtra("authInfos");
int controlVisibility = _authInfos.size() != 1 ? View.VISIBLE : View.INVISIBLE;
_entriesCount.setVisibility(controlVisibility);
_nextButton.setVisibility(controlVisibility);
_nextButton.setOnClickListener(v -> {
if (_currentEntryCount < _authInfos.size()) {
_previousButton.setVisibility(View.VISIBLE);
_currentEntryCount++;
generateQR();
if (_currentEntryCount == _authInfos.size()) {
_nextButton.setText(R.string.done);
}
} else {
finish();
}
});
_previousButton.setOnClickListener(v -> {
if (_currentEntryCount > 1 ) {
_nextButton.setText(R.string.next);
_currentEntryCount--;
generateQR();
if (_currentEntryCount == 1) {
_previousButton.setVisibility(View.INVISIBLE);
}
}
});
generateQR();
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
onBackPressed();
break;
default:
return super.onOptionsItemSelected(item);
}
return true;
}
private void generateQR() {
GoogleAuthInfo selectedEntry = _authInfos.get(_currentEntryCount - 1);
_issuer.setText(selectedEntry.getIssuer());
_accountName.setText(selectedEntry.getAccountName());
_entriesCount.setText(String.format(getString(R.string.entries_count), _currentEntryCount, _authInfos.size()));
QRCodeWriter writer = new QRCodeWriter();
BitMatrix bitMatrix = null;
try {
bitMatrix = writer.encode(selectedEntry.getUri().toString(), BarcodeFormat.QR_CODE, 512, 512);
} catch (WriterException e) {
Dialogs.showErrorDialog(this, R.string.unable_to_generate_qrcode, e);
return;
}
int width = bitMatrix.getWidth();
int height = bitMatrix.getHeight();
int[] pixels = new int[width * height];
for (int y = 0; y < height; y++) {
int offset = y * width;
for (int x = 0; x < width; x++) {
pixels[offset + x] = bitMatrix.get(x, y) ? Color.BLACK : Color.WHITE;
}
}
Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
_qrImage.setImageBitmap(bitmap);
}
}