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Code Issues Projects Releases Wiki Activity

Use raw byte mode for QR codes.

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This commit is contained in:
akwizgran
2018-02-09 15:41:20 +00:00
parent 6b60509122
commit 452e544ed1
2 changed files with 21 additions and 18 deletions
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7
briar-android/src/main/java/org/briarproject/briar/android/keyagreement/QrCodeDecoder.java
View File

@@ -21,6 +21,8 @@ import org.briarproject.bramble.api.nullsafety.ParametersNotNullByDefault;
import java.util.logging.Logger;
import static com.google.zxing.DecodeHintType.CHARACTER_SET;
import static java.util.Collections.singletonMap;
import static java.util.logging.Level.INFO;
import static java.util.logging.Level.WARNING;
@@ -87,9 +89,10 @@ class QrCodeDecoder implements PreviewConsumer, PreviewCallback {
LuminanceSource src = new PlanarYUVLuminanceSource(data, width,
height, 0, 0, width, height, false);
BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(src));
Result result = null;
Result result;
try {
result = reader.decode(bitmap);
result = reader.decode(bitmap,
singletonMap(CHARACTER_SET, "ISO8859_1"));
} catch (ReaderException e) {
return null; // No barcode found
} catch (RuntimeException e) {

32
briar-android/src/main/java/org/briarproject/briar/android/keyagreement/ShowQrCodeFragment.java
View File

@@ -5,7 +5,6 @@ import android.graphics.Bitmap;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.annotation.UiThread;
import android.util.Base64;
import android.util.DisplayMetrics;
import android.view.LayoutInflater;
import android.view.View;
@@ -37,6 +36,7 @@ import org.briarproject.briar.android.activity.ActivityComponent;
import org.briarproject.briar.android.fragment.BaseEventFragment;
import java.io.IOException;
import java.nio.charset.Charset;
import java.util.concurrent.Executor;
import java.util.logging.Logger;
@@ -58,6 +58,7 @@ public class ShowQrCodeFragment extends BaseEventFragment
private static final String TAG = ShowQrCodeFragment.class.getName();
private static final Logger LOG = Logger.getLogger(TAG);
private static final Charset ISO_8859_1 = Charset.forName("ISO-8859-1");
@Inject
Provider<KeyAgreementTask> keyAgreementTaskProvider;
@@ -192,10 +193,11 @@ public class ShowQrCodeFragment extends BaseEventFragment
@UiThread
private void qrCodeScanned(String content) {
try {
byte[] encoded = Base64.decode(content, 0);
byte[] payloadBytes = content.getBytes(ISO_8859_1);
if (LOG.isLoggable(INFO))
LOG.info("Remote payload is " + encoded.length + " bytes");
Payload remotePayload = payloadParser.parse(encoded);
LOG.info("Remote payload is " + payloadBytes.length + " bytes");
Payload remotePayload = payloadParser.parse(payloadBytes);
gotRemotePayload = true;
cameraView.setVisibility(INVISIBLE);
statusView.setVisibility(VISIBLE);
status.setText(R.string.connecting_to_device);
@@ -240,11 +242,14 @@ public class ShowQrCodeFragment extends BaseEventFragment
@Override
protected Bitmap doInBackground(Void... params) {
byte[] encoded = payloadEncoder.encode(payload);
if (LOG.isLoggable(INFO))
LOG.info("Local payload is " + encoded.length + " bytes");
String input = Base64.encodeToString(encoded, 0);
return QrCodeUtils.createQrCode(dm, input);
byte[] payloadBytes = payloadEncoder.encode(payload);
if (LOG.isLoggable(INFO)) {
LOG.info("Local payload is " + payloadBytes.length
+ " bytes");
}
// Use ISO 8859-1 to encode bytes directly as a string
String content = new String(payloadBytes, ISO_8859_1);
return QrCodeUtils.createQrCode(dm, content);
}
@Override
@@ -303,13 +308,8 @@ public class ShowQrCodeFragment extends BaseEventFragment
runOnUiThreadUnlessDestroyed(() -> {
LOG.info("Got result from decoder");
// Ignore results until the KeyAgreementTask is ready
if (!gotLocalPayload) {
return;
}
if (!gotRemotePayload) {
gotRemotePayload = true;
qrCodeScanned(result.getText());
}
if (!gotLocalPayload) return;
if (!gotRemotePayload) qrCodeScanned(result.getText());
});
}