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