conversations-classic/src/main/java/eu/siacs/conversations/ui/OmemoActivity.java

250 lines
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Java
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package eu.siacs.conversations.ui;
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import android.databinding.DataBindingUtil;
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import android.support.v7.app.AlertDialog;
import android.content.Intent;
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import android.os.Bundle;
import android.support.v4.content.ContextCompat;
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import android.view.ContextMenu;
import android.view.MenuItem;
import android.view.View;
import android.widget.CompoundButton;
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import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;
import java.security.cert.X509Certificate;
import java.util.Arrays;
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import eu.siacs.conversations.Config;
import eu.siacs.conversations.R;
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import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
import eu.siacs.conversations.crypto.axolotl.XmppAxolotlSession;
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import eu.siacs.conversations.databinding.ContactKeyBinding;
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import eu.siacs.conversations.entities.Account;
import eu.siacs.conversations.utils.CryptoHelper;
import eu.siacs.conversations.utils.XmppUri;
import eu.siacs.conversations.utils.zxing.IntentIntegrator;
import eu.siacs.conversations.utils.zxing.IntentResult;
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public abstract class OmemoActivity extends XmppActivity {
private Account mSelectedAccount;
private String mSelectedFingerprint;
protected XmppUri mPendingFingerprintVerificationUri = null;
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@Override
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
super.onCreateContextMenu(menu,v,menuInfo);
Object account = v.getTag(R.id.TAG_ACCOUNT);
Object fingerprint = v.getTag(R.id.TAG_FINGERPRINT);
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Object fingerprintStatus = v.getTag(R.id.TAG_FINGERPRINT_STATUS);
if (account != null
&& fingerprint != null
&& account instanceof Account
&& fingerprintStatus != null
&& fingerprint instanceof String
&& fingerprintStatus instanceof FingerprintStatus) {
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getMenuInflater().inflate(R.menu.omemo_key_context, menu);
MenuItem distrust = menu.findItem(R.id.distrust_key);
MenuItem verifyScan = menu.findItem(R.id.verify_scan);
if (this instanceof TrustKeysActivity) {
distrust.setVisible(false);
verifyScan.setVisible(false);
} else {
FingerprintStatus status = (FingerprintStatus) fingerprintStatus;
if (!status.isActive() || status.isVerified()) {
verifyScan.setVisible(false);
}
distrust.setVisible(status.isVerified() || (!status.isActive() && status.isTrusted()));
}
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this.mSelectedAccount = (Account) account;
this.mSelectedFingerprint = (String) fingerprint;
}
}
@Override
public boolean onContextItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.distrust_key:
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showPurgeKeyDialog(mSelectedAccount,mSelectedFingerprint);
break;
case R.id.copy_omemo_key:
copyOmemoFingerprint(mSelectedFingerprint);
break;
case R.id.verify_scan:
new IntentIntegrator(this).initiateScan(Arrays.asList("AZTEC","QR_CODE"));
break;
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}
return true;
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent intent) {
IntentResult scanResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, intent);
if (scanResult != null && scanResult.getFormatName() != null) {
String data = scanResult.getContents();
XmppUri uri = new XmppUri(data);
if (xmppConnectionServiceBound) {
processFingerprintVerification(uri);
} else {
this.mPendingFingerprintVerificationUri =uri;
}
}
}
protected abstract void processFingerprintVerification(XmppUri uri);
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protected void copyOmemoFingerprint(String fingerprint) {
if (copyTextToClipboard(CryptoHelper.prettifyFingerprint(fingerprint.substring(2)), R.string.omemo_fingerprint)) {
Toast.makeText(
this,
R.string.toast_message_omemo_fingerprint,
Toast.LENGTH_SHORT).show();
}
}
protected void addFingerprintRow(LinearLayout keys, final XmppAxolotlSession session, boolean highlight) {
final Account account = session.getAccount();
final String fingerprint = session.getFingerprint();
addFingerprintRowWithListeners(keys,
session.getAccount(),
fingerprint,
highlight,
session.getTrust(),
true,
true,
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(buttonView, isChecked) -> account.getAxolotlService().setFingerprintTrust(fingerprint, FingerprintStatus.createActive(isChecked)));
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}
protected void addFingerprintRowWithListeners(LinearLayout keys, final Account account,
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final String fingerprint,
boolean highlight,
FingerprintStatus status,
boolean showTag,
boolean undecidedNeedEnablement,
CompoundButton.OnCheckedChangeListener
onCheckedChangeListener) {
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ContactKeyBinding binding = DataBindingUtil.inflate(getLayoutInflater(),R.layout.contact_key,keys,true);
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if (Config.X509_VERIFICATION && status.getTrust() == FingerprintStatus.Trust.VERIFIED_X509) {
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binding.key.setOnClickListener(v -> showX509Certificate(account,fingerprint));
binding.keyType.setOnClickListener(v -> showX509Certificate(account,fingerprint));
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}
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binding.tglTrust.setVisibility(View.VISIBLE);
registerForContextMenu(binding.getRoot());
binding.getRoot().setTag(R.id.TAG_ACCOUNT,account);
binding.getRoot().setTag(R.id.TAG_FINGERPRINT,fingerprint);
binding.getRoot().setTag(R.id.TAG_FINGERPRINT_STATUS,status);
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boolean x509 = Config.X509_VERIFICATION && status.getTrust() == FingerprintStatus.Trust.VERIFIED_X509;
final View.OnClickListener toast;
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binding.tglTrust.setChecked(status.isTrusted());
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if (status.isActive()){
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binding.key.setTextColor(getPrimaryTextColor());
binding.keyType.setTextColor(getSecondaryTextColor());
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if (status.isVerified()) {
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binding.verifiedFingerprint.setVisibility(View.VISIBLE);
binding.verifiedFingerprint.setAlpha(1.0f);
binding.tglTrust.setVisibility(View.GONE);
binding.verifiedFingerprint.setOnClickListener(v -> replaceToast(getString(R.string.this_device_has_been_verified), false));
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toast = null;
} else {
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binding.verifiedFingerprint.setVisibility(View.GONE);
binding.tglTrust.setVisibility(View.VISIBLE);
binding.tglTrust.setOnCheckedChangeListener(onCheckedChangeListener);
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if (status.getTrust() == FingerprintStatus.Trust.UNDECIDED && undecidedNeedEnablement) {
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binding.buttonEnableDevice.setVisibility(View.VISIBLE);
binding.buttonEnableDevice.setOnClickListener(v -> {
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account.getAxolotlService().setFingerprintTrust(fingerprint,FingerprintStatus.createActive(false));
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binding.buttonEnableDevice.setVisibility(View.GONE);
binding.tglTrust.setVisibility(View.VISIBLE);
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});
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binding.tglTrust.setVisibility(View.GONE);
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} else {
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binding.tglTrust.setOnClickListener(null);
binding.tglTrust.setEnabled(true);
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}
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toast = v -> hideToast();
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}
} else {
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binding.key.setTextColor(getTertiaryTextColor());
binding.keyType.setTextColor(getTertiaryTextColor());
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toast = v -> replaceToast(getString(R.string.this_device_is_no_longer_in_use), false);
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if (status.isVerified()) {
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binding.tglTrust.setVisibility(View.GONE);
binding.verifiedFingerprint.setVisibility(View.VISIBLE);
binding.verifiedFingerprint.setAlpha(0.4368f);
binding.verifiedFingerprint.setOnClickListener(toast);
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} else {
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binding.tglTrust.setVisibility(View.VISIBLE);
binding.verifiedFingerprint.setVisibility(View.GONE);
binding.tglTrust.setEnabled(false);
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}
}
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binding.getRoot().setOnClickListener(toast);
binding.key.setOnClickListener(toast);
binding.keyType.setOnClickListener(toast);
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if (showTag) {
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binding.keyType.setText(getString(x509 ? R.string.omemo_fingerprint_x509 : R.string.omemo_fingerprint));
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} else {
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binding.keyType.setVisibility(View.GONE);
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}
if (highlight) {
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binding.keyType.setTextColor(ContextCompat.getColor(this, R.color.accent));
binding.keyType.setText(getString(x509 ? R.string.omemo_fingerprint_x509_selected_message : R.string.omemo_fingerprint_selected_message));
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} else {
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binding.keyType.setText(getString(x509 ? R.string.omemo_fingerprint_x509 : R.string.omemo_fingerprint));
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}
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binding.key.setText(CryptoHelper.prettifyFingerprint(fingerprint.substring(2)));
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}
public void showPurgeKeyDialog(final Account account, final String fingerprint) {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle(R.string.distrust_omemo_key);
builder.setMessage(R.string.distrust_omemo_key_text);
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builder.setNegativeButton(getString(R.string.cancel), null);
builder.setPositiveButton(R.string.confirm,
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(dialog, which) -> {
account.getAxolotlService().distrustFingerprint(fingerprint);
refreshUi();
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});
builder.create().show();
}
private void showX509Certificate(Account account, String fingerprint) {
X509Certificate x509Certificate = account.getAxolotlService().getFingerprintCertificate(fingerprint);
if (x509Certificate != null) {
showCertificateInformationDialog(CryptoHelper.extractCertificateInformation(x509Certificate));
} else {
Toast.makeText(this,R.string.certificate_not_found, Toast.LENGTH_SHORT).show();
}
}
private void showCertificateInformationDialog(Bundle bundle) {
View view = getLayoutInflater().inflate(R.layout.certificate_information, null);
final String not_available = getString(R.string.certicate_info_not_available);
TextView subject_cn = (TextView) view.findViewById(R.id.subject_cn);
TextView subject_o = (TextView) view.findViewById(R.id.subject_o);
TextView issuer_cn = (TextView) view.findViewById(R.id.issuer_cn);
TextView issuer_o = (TextView) view.findViewById(R.id.issuer_o);
TextView sha1 = (TextView) view.findViewById(R.id.sha1);
subject_cn.setText(bundle.getString("subject_cn", not_available));
subject_o.setText(bundle.getString("subject_o", not_available));
issuer_cn.setText(bundle.getString("issuer_cn", not_available));
issuer_o.setText(bundle.getString("issuer_o", not_available));
sha1.setText(bundle.getString("sha1", not_available));
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle(R.string.certificate_information);
builder.setView(view);
builder.setPositiveButton(R.string.ok, null);
builder.create().show();
}
}