package de.pixart.messenger.ui; import android.app.AlertDialog; import android.content.DialogInterface; import android.content.Intent; import android.os.Bundle; import android.support.v4.content.ContextCompat; import android.view.ContextMenu; import android.view.MenuItem; import android.view.View; import android.widget.CompoundButton; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.TextView; import android.widget.Toast; import java.security.cert.X509Certificate; import java.util.Arrays; import de.pixart.messenger.Config; import de.pixart.messenger.R; import de.pixart.messenger.crypto.axolotl.FingerprintStatus; import de.pixart.messenger.crypto.axolotl.XmppAxolotlSession; import de.pixart.messenger.entities.Account; import de.pixart.messenger.ui.widget.Switch; import de.pixart.messenger.utils.CryptoHelper; import de.pixart.messenger.utils.XmppUri; import de.pixart.messenger.utils.zxing.IntentIntegrator; import de.pixart.messenger.utils.zxing.IntentResult; public abstract class OmemoActivity extends XmppActivity { private Account mSelectedAccount; private String mSelectedFingerprint; protected XmppUri mPendingFingerprintVerificationUri = null; @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); 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) { 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())); } this.mSelectedAccount = (Account) account; this.mSelectedFingerprint = (String) fingerprint; } } @Override public boolean onContextItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.distrust_key: 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; } 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); 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, new CompoundButton.OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { account.getAxolotlService().setFingerprintTrust(fingerprint, FingerprintStatus.createActive(isChecked)); } }); } protected void addFingerprintRowWithListeners(LinearLayout keys, final Account account, final String fingerprint, boolean highlight, FingerprintStatus status, boolean showTag, boolean undecidedNeedEnablement, CompoundButton.OnCheckedChangeListener onCheckedChangeListener) { View view = getLayoutInflater().inflate(R.layout.contact_key, keys, false); TextView key = view.findViewById(R.id.key); TextView keyType = view.findViewById(R.id.key_type); if (Config.X509_VERIFICATION && status.getTrust() == FingerprintStatus.Trust.VERIFIED_X509) { View.OnClickListener listener = new View.OnClickListener() { @Override public void onClick(View v) { showX509Certificate(account, fingerprint); } }; key.setOnClickListener(listener); keyType.setOnClickListener(listener); } Switch trustToggle = view.findViewById(R.id.tgl_trust); ImageView verifiedFingerprintSymbol = view.findViewById(R.id.verified_fingerprint); trustToggle.setVisibility(View.VISIBLE); registerForContextMenu(view); view.setTag(R.id.TAG_ACCOUNT, account); view.setTag(R.id.TAG_FINGERPRINT, fingerprint); view.setTag(R.id.TAG_FINGERPRINT_STATUS, status); boolean x509 = Config.X509_VERIFICATION && status.getTrust() == FingerprintStatus.Trust.VERIFIED_X509; final View.OnClickListener toast; trustToggle.setChecked(status.isTrusted(), false); if (status.isActive()) { key.setTextColor(getPrimaryTextColor()); keyType.setTextColor(getSecondaryTextColor()); if (status.isVerified()) { verifiedFingerprintSymbol.setVisibility(View.VISIBLE); verifiedFingerprintSymbol.setAlpha(1.0f); trustToggle.setVisibility(View.GONE); verifiedFingerprintSymbol.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { replaceToast(getString(R.string.this_device_has_been_verified), false); } }); toast = null; } else { verifiedFingerprintSymbol.setVisibility(View.GONE); trustToggle.setVisibility(View.VISIBLE); trustToggle.setOnCheckedChangeListener(onCheckedChangeListener); if (status.getTrust() == FingerprintStatus.Trust.UNDECIDED && undecidedNeedEnablement) { trustToggle.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { account.getAxolotlService().setFingerprintTrust(fingerprint, FingerprintStatus.createActive(false)); v.setEnabled(true); v.setOnClickListener(null); } }); trustToggle.setEnabled(false); } else { trustToggle.setOnClickListener(null); trustToggle.setEnabled(true); } toast = new View.OnClickListener() { @Override public void onClick(View v) { hideToast(); } }; } } else { key.setTextColor(getTertiaryTextColor()); keyType.setTextColor(getTertiaryTextColor()); toast = new View.OnClickListener() { @Override public void onClick(View v) { replaceToast(getString(R.string.this_device_is_no_longer_in_use), false); } }; if (status.isVerified()) { trustToggle.setVisibility(View.GONE); verifiedFingerprintSymbol.setVisibility(View.VISIBLE); verifiedFingerprintSymbol.setAlpha(0.4368f); verifiedFingerprintSymbol.setOnClickListener(toast); } else { trustToggle.setVisibility(View.VISIBLE); verifiedFingerprintSymbol.setVisibility(View.GONE); trustToggle.setOnClickListener(null); trustToggle.setEnabled(false); trustToggle.setOnClickListener(toast); } } view.setOnClickListener(toast); key.setOnClickListener(toast); keyType.setOnClickListener(toast); if (showTag) { keyType.setText(getString(x509 ? R.string.omemo_fingerprint_x509 : R.string.omemo_fingerprint)); } else { keyType.setVisibility(View.GONE); } if (highlight) { keyType.setTextColor(ContextCompat.getColor(this, R.color.accent)); keyType.setText(getString(x509 ? R.string.omemo_fingerprint_x509_selected_message : R.string.omemo_fingerprint_selected_message)); } else { keyType.setText(getString(x509 ? R.string.omemo_fingerprint_x509 : R.string.omemo_fingerprint)); } key.setText(CryptoHelper.prettifyFingerprint(fingerprint.substring(2))); keys.addView(view); } 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); builder.setNegativeButton(getString(R.string.cancel), null); builder.setPositiveButton(R.string.confirm, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { account.getAxolotlService().distrustFingerprint(fingerprint); refreshUi(); } }); 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 = view.findViewById(R.id.subject_cn); TextView subject_o = view.findViewById(R.id.subject_o); TextView issuer_cn = view.findViewById(R.id.issuer_cn); TextView issuer_o = view.findViewById(R.id.issuer_o); TextView sha1 = 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(); } }