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Code Issues Packages Projects Releases Wiki Activity

Added button to list installed CA certificates

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This commit is contained in:
M66B
2020-05-25 16:57:50 +02:00
parent 6b6798d4e1
commit 26d6f09c1d
3 changed files with 74 additions and 1 deletions
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62
app/src/main/java/eu/faircode/email/FragmentOptionsEncryption.java
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@@ -19,6 +19,8 @@ package eu.faircode.email;
Copyright 2018-2020 by Marcel Bokhorst (M66B)
*/
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
@@ -26,6 +28,7 @@ import android.content.pm.ResolveInfo;
import android.os.Bundle;
import android.provider.Settings;
import android.security.KeyChain;
import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
@@ -42,6 +45,7 @@ import android.widget.Toast;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.widget.SwitchCompat;
import androidx.lifecycle.Lifecycle;
import androidx.localbroadcastmanager.content.LocalBroadcastManager;
@@ -51,8 +55,14 @@ import org.openintents.openpgp.IOpenPgpService2;
import org.openintents.openpgp.util.OpenPgpApi;
import org.openintents.openpgp.util.OpenPgpServiceConnection;
import java.security.KeyStore;
import java.security.NoSuchAlgorithmException;
import java.security.Principal;
import java.security.cert.Certificate;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Enumeration;
import java.util.List;
public class FragmentOptionsEncryption extends FragmentBase implements SharedPreferences.OnSharedPreferenceChangeListener {
@@ -67,6 +77,7 @@ public class FragmentOptionsEncryption extends FragmentBase implements SharedPre
private Button btnManageCertificates;
private Button btnImportKey;
private Button btnManageKeys;
private Button btnCa;
private TextView tvKeySize;
private OpenPgpServiceConnection pgpService;
@@ -99,6 +110,7 @@ public class FragmentOptionsEncryption extends FragmentBase implements SharedPre
btnManageCertificates = view.findViewById(R.id.btnManageCertificates);
btnImportKey = view.findViewById(R.id.btnImportKey);
btnManageKeys = view.findViewById(R.id.btnManageKeys);
btnCa = view.findViewById(R.id.btnCa);
tvKeySize = view.findViewById(R.id.tvKeySize);
Intent intent = new Intent(OpenPgpApi.SERVICE_INTENT_2);
@@ -204,6 +216,56 @@ public class FragmentOptionsEncryption extends FragmentBase implements SharedPre
}
});
btnCa.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
new SimpleTask<List<String>>() {
@Override
protected List<String> onExecute(Context context, Bundle args) throws Throwable {
KeyStore ks = KeyStore.getInstance("AndroidCAStore");
ks.load(null, null);
List<String> issuers = new ArrayList<>();
Enumeration<String> aliases = ks.aliases();
while (aliases.hasMoreElements()) {
String alias = aliases.nextElement();
Certificate kcert = ks.getCertificate(alias);
if (kcert instanceof X509Certificate) {
Principal issuer = ((X509Certificate) kcert).getIssuerDN();
if (issuer != null) {
String name = issuer.getName();
if (name != null)
issuers.add(name);
}
}
}
Collections.sort(issuers);
return issuers;
}
@Override
protected void onExecuted(Bundle args, List<String> issuers) {
new AlertDialog.Builder(getContext())
.setTitle(R.string.title_advanced_ca)
.setMessage(TextUtils.join("\r\n", issuers))
.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// Do nothing
}
})
.show();
}
@Override
protected void onException(Bundle args, Throwable ex) {
Log.unexpectedError(getParentFragmentManager(), ex);
}
}.execute(FragmentOptionsEncryption.this, new Bundle(), "ca");
}
});
try {
int maxKeySize = javax.crypto.Cipher.getMaxAllowedKeyLength("AES");
tvKeySize.setText(getString(R.string.title_advanced_aes_key_size, maxKeySize));