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Code Issues Packages Projects Releases Wiki Activity

Basic OpenPGP support

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Fixes #43
This commit is contained in:
M66B
2018-08-25 18:26:07 +00:00
parent d8298fb615
commit d4662d1b8a
10 changed files with 230 additions and 5 deletions
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102
app/src/main/java/eu/faircode/email/FragmentMessage.java
View File

@@ -19,6 +19,7 @@ package eu.faircode.email;
Copyright 2018 by Marcel Bokhorst (M66B)
*/
import android.app.PendingIntent;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
@@ -55,8 +56,13 @@ import android.widget.Toast;
import com.google.android.material.bottomnavigation.BottomNavigationView;
import com.google.android.material.floatingactionbutton.FloatingActionButton;
import org.openintents.openpgp.OpenPgpError;
import org.openintents.openpgp.util.OpenPgpApi;
import org.openintents.openpgp.util.OpenPgpServiceConnection;
import org.xml.sax.XMLReader;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
@@ -73,6 +79,8 @@ import java.util.Date;
import java.util.List;
import java.util.Locale;
import javax.mail.internet.InternetAddress;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AlertDialog;
@@ -86,6 +94,8 @@ import androidx.localbroadcastmanager.content.LocalBroadcastManager;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import static android.app.Activity.RESULT_OK;
public class FragmentMessage extends FragmentEx {
private ViewGroup view;
private TextView tvFrom;
@@ -116,11 +126,30 @@ public class FragmentMessage extends FragmentEx {
private boolean free = false;
private AdapterAttachment adapter;
private String decrypted = null;
private OpenPgpServiceConnection openPgpConnection = null;
private boolean debug;
private DateFormat df = SimpleDateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT);
private static final long CACHE_IMAGE_DURATION = 24 * 3600 * 1000L;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
openPgpConnection = new OpenPgpServiceConnection(getContext(), "org.sufficientlysecure.keychain");
openPgpConnection.bindToService();
}
@Override
public void onDestroy() {
super.onDestroy();
if (openPgpConnection != null) {
openPgpConnection.unbindFromService();
openPgpConnection = null;
}
}
@Override
@Nullable
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
@@ -611,6 +640,7 @@ public class FragmentMessage extends FragmentEx {
menu.findItem(R.id.menu_seen).setVisible(!free && message != null && !inOutbox);
menu.findItem(R.id.menu_forward).setVisible(!free && message != null && !inOutbox);
menu.findItem(R.id.menu_reply_all).setVisible(!free && message != null && message.cc != null && !inOutbox);
menu.findItem(R.id.menu_decrypt).setVisible(decrypted == null);
if (message != null) {
MenuItem menuSeen = menu.findItem(R.id.menu_seen);
@@ -639,6 +669,9 @@ public class FragmentMessage extends FragmentEx {
case R.id.menu_reply_all:
onMenuReplyAll(message.id);
return true;
case R.id.menu_decrypt:
onMenuDecrypt(message);
return true;
default:
return super.onOptionsItemSelected(item);
}
@@ -719,6 +752,75 @@ public class FragmentMessage extends FragmentEx {
.putExtra("reference", id));
}
private void onMenuDecrypt(EntityMessage message) {
Log.i(Helper.TAG, "On decrypt");
try {
if (openPgpConnection == null)
throw new IllegalArgumentException();
if (!openPgpConnection.isBound())
throw new IllegalArgumentException("OpenPgp not available");
InternetAddress to = (InternetAddress) message.to[0];
Intent data = new Intent();
data.setAction(OpenPgpApi.ACTION_DECRYPT_VERIFY);
data.putExtra(OpenPgpApi.EXTRA_USER_IDS, new String[]{to.getAddress()});
String encrypted = message.read(getContext());
final InputStream is = new ByteArrayInputStream(encrypted.getBytes("UTF-8"));
final ByteArrayOutputStream os = new ByteArrayOutputStream();
OpenPgpApi api = new OpenPgpApi(getContext(), openPgpConnection.getService());
api.executeApiAsync(data, is, os, new OpenPgpApi.IOpenPgpCallback() {
@Override
public void onReturn(Intent result) {
try {
int code = result.getIntExtra(OpenPgpApi.RESULT_CODE, OpenPgpApi.RESULT_CODE_ERROR);
switch (code) {
case OpenPgpApi.RESULT_CODE_SUCCESS: {
Log.i(Helper.TAG, "Decrypted");
FragmentMessage.this.decrypted = os.toString("UTF-8");
getActivity().invalidateOptionsMenu();
tvBody.setText(decrypted);
break;
}
case OpenPgpApi.RESULT_CODE_USER_INTERACTION_REQUIRED: {
Log.i(Helper.TAG, "User interaction");
PendingIntent pi = result.getParcelableExtra(OpenPgpApi.RESULT_INTENT);
getActivity().startIntentSenderForResult(
pi.getIntentSender(),
ActivityView.REQUEST_OPENPGP,
null, 0, 0, 0);
break;
}
case OpenPgpApi.RESULT_CODE_ERROR: {
OpenPgpError error = result.getParcelableExtra(OpenPgpApi.RESULT_ERROR);
Log.e(Helper.TAG, error.getMessage());
Toast.makeText(getContext(), error.getMessage(), Toast.LENGTH_LONG).show();
}
}
} catch (Throwable ex) {
Log.e(Helper.TAG, ex + "\n" + Log.getStackTraceString(ex));
Toast.makeText(getContext(), ex.toString(), Toast.LENGTH_LONG).show();
}
}
});
} catch (Throwable ex) {
Log.e(Helper.TAG, ex + "\n" + Log.getStackTraceString(ex));
Toast.makeText(getContext(), ex.toString(), Toast.LENGTH_LONG).show();
}
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
if (resultCode == RESULT_OK) {
if (requestCode == ActivityView.REQUEST_OPENPGP && message != null) {
Log.i(Helper.TAG, "User interacted");
onMenuDecrypt(message);
}
}
}
private void onActionSpam(final long id) {
AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
builder