447 lines
15 KiB
Java
447 lines
15 KiB
Java
package eu.siacs.conversations.ui;
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import android.content.Intent;
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import android.databinding.DataBindingUtil;
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import android.os.Bundle;
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import android.support.v7.app.ActionBar;
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import android.util.Log;
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import android.view.Gravity;
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import android.view.Menu;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.widget.CompoundButton;
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import android.widget.Toast;
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import org.whispersystems.libsignal.IdentityKey;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.concurrent.atomic.AtomicBoolean;
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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.AxolotlService;
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import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
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import eu.siacs.conversations.databinding.ActivityTrustKeysBinding;
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import eu.siacs.conversations.databinding.KeysCardBinding;
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import eu.siacs.conversations.entities.Account;
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import eu.siacs.conversations.entities.Conversation;
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import eu.siacs.conversations.utils.CryptoHelper;
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import eu.siacs.conversations.utils.IrregularUnicodeDetector;
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import eu.siacs.conversations.utils.XmppUri;
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import eu.siacs.conversations.xmpp.OnKeyStatusUpdated;
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import rocks.xmpp.addr.Jid;
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public class TrustKeysActivity extends OmemoActivity implements OnKeyStatusUpdated {
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private List<Jid> contactJids;
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private Account mAccount;
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private Conversation mConversation;
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private AtomicBoolean mUseCameraHintShown = new AtomicBoolean(false);
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private AxolotlService.FetchStatus lastFetchReport = AxolotlService.FetchStatus.SUCCESS;
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private final Map<String, Boolean> ownKeysToTrust = new HashMap<>();
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private final Map<Jid,Map<String, Boolean>> foreignKeysToTrust = new HashMap<>();
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private final OnClickListener mSaveButtonListener = new OnClickListener() {
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@Override
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public void onClick(View v) {
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commitTrusts();
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finishOk();
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}
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};
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private final OnClickListener mCancelButtonListener = new OnClickListener() {
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@Override
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public void onClick(View v) {
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setResult(RESULT_CANCELED);
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finish();
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}
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};
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private Toast mUseCameraHintToast = null;
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private ActivityTrustKeysBinding binding;
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@Override
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protected void refreshUiReal() {
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invalidateOptionsMenu();
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populateView();
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}
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@Override
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protected void onCreate(final Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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this.binding = DataBindingUtil.setContentView(this,R.layout.activity_trust_keys);
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this.contactJids = new ArrayList<>();
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for(String jid : getIntent().getStringArrayExtra("contacts")) {
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try {
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this.contactJids.add(Jid.of(jid));
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} catch (IllegalArgumentException e) {
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e.printStackTrace();
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}
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}
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binding.cancelButton.setOnClickListener(mCancelButtonListener);
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binding.saveButton.setOnClickListener(mSaveButtonListener);
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if (getSupportActionBar() != null) {
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getSupportActionBar().setHomeButtonEnabled(true);
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getSupportActionBar().setDisplayHomeAsUpEnabled(true);
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}
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if (savedInstanceState != null) {
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mUseCameraHintShown.set(savedInstanceState.getBoolean("camera_hint_shown",false));
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}
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}
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@Override
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public void onSaveInstanceState(Bundle savedInstanceState) {
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savedInstanceState.putBoolean("camera_hint_shown", mUseCameraHintShown.get());
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super.onSaveInstanceState(savedInstanceState);
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}
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@Override
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public boolean onCreateOptionsMenu(Menu menu) {
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getMenuInflater().inflate(R.menu.trust_keys, menu);
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MenuItem scanQrCode = menu.findItem(R.id.action_scan_qr_code);
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scanQrCode.setVisible((ownKeysToTrust.size() > 0 || foreignActuallyHasKeys()) && isCameraFeatureAvailable());
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return super.onCreateOptionsMenu(menu);
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}
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private void showCameraToast() {
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mUseCameraHintToast = Toast.makeText(this,R.string.use_camera_icon_to_scan_barcode,Toast.LENGTH_LONG);
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ActionBar actionBar = getSupportActionBar();
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mUseCameraHintToast.setGravity(Gravity.TOP | Gravity.END, 0 ,actionBar == null ? 0 : actionBar.getHeight());
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mUseCameraHintToast.show();
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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switch (item.getItemId()) {
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case R.id.action_scan_qr_code:
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if (hasPendingKeyFetches()) {
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Toast.makeText(this, R.string.please_wait_for_keys_to_be_fetched, Toast.LENGTH_SHORT).show();
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} else {
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ScanActivity.scan(this);
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//new IntentIntegrator(this).initiateScan(Arrays.asList("AZTEC","QR_CODE"));
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return true;
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}
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}
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return super.onOptionsItemSelected(item);
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}
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@Override
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protected void onStop() {
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super.onStop();
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if (mUseCameraHintToast != null) {
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mUseCameraHintToast.cancel();
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}
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}
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@Override
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protected void processFingerprintVerification(XmppUri uri) {
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if (mConversation != null
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&& mAccount != null
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&& uri.hasFingerprints()
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&& mAccount.getAxolotlService().getCryptoTargets(mConversation).contains(uri.getJid())) {
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boolean performedVerification = xmppConnectionService.verifyFingerprints(mAccount.getRoster().getContact(uri.getJid()),uri.getFingerprints());
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boolean keys = reloadFingerprints();
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if (performedVerification && !keys && !hasNoOtherTrustedKeys() && !hasPendingKeyFetches()) {
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Toast.makeText(this,R.string.all_omemo_keys_have_been_verified, Toast.LENGTH_SHORT).show();
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finishOk();
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return;
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} else if (performedVerification) {
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Toast.makeText(this,R.string.verified_fingerprints,Toast.LENGTH_SHORT).show();
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}
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} else {
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reloadFingerprints();
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Log.d(Config.LOGTAG,"xmpp uri was: "+uri.getJid()+" has Fingerprints: "+Boolean.toString(uri.hasFingerprints()));
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Toast.makeText(this,R.string.barcode_does_not_contain_fingerprints_for_this_conversation,Toast.LENGTH_SHORT).show();
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}
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populateView();
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}
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private void populateView() {
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setTitle(getString(R.string.trust_omemo_fingerprints));
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binding.ownKeysDetails.removeAllViews();
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binding.foreignKeys.removeAllViews();
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boolean hasOwnKeys = false;
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boolean hasForeignKeys = false;
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for(final String fingerprint : ownKeysToTrust.keySet()) {
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hasOwnKeys = true;
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addFingerprintRowWithListeners(binding.ownKeysDetails, mAccount, fingerprint, false,
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FingerprintStatus.createActive(ownKeysToTrust.get(fingerprint)), false, false,
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new CompoundButton.OnCheckedChangeListener() {
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@Override
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public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
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ownKeysToTrust.put(fingerprint, isChecked);
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// own fingerprints have no impact on locked status.
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}
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}
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);
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}
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synchronized (this.foreignKeysToTrust) {
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for (Map.Entry<Jid, Map<String, Boolean>> entry : foreignKeysToTrust.entrySet()) {
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hasForeignKeys = true;
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KeysCardBinding keysCardBinding = DataBindingUtil.inflate(getLayoutInflater(),R.layout.keys_card, binding.foreignKeys,false);
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final Jid jid = entry.getKey();
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keysCardBinding.foreignKeysTitle.setText(IrregularUnicodeDetector.style(this,jid));
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keysCardBinding.foreignKeysTitle.setOnClickListener(v -> switchToContactDetails(mAccount.getRoster().getContact(jid)));
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final Map<String, Boolean> fingerprints = entry.getValue();
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for (final String fingerprint : fingerprints.keySet()) {
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addFingerprintRowWithListeners(keysCardBinding.foreignKeysDetails, mAccount, fingerprint, false,
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FingerprintStatus.createActive(fingerprints.get(fingerprint)), false, false,
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(buttonView, isChecked) -> {
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fingerprints.put(fingerprint, isChecked);
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lockOrUnlockAsNeeded();
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}
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);
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}
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if (fingerprints.size() == 0) {
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keysCardBinding.noKeysToAccept.setVisibility(View.VISIBLE);
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if (hasNoOtherTrustedKeys(jid)) {
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if (!mAccount.getRoster().getContact(jid).mutualPresenceSubscription()) {
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keysCardBinding.noKeysToAccept.setText(R.string.error_no_keys_to_trust_presence);
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} else {
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keysCardBinding.noKeysToAccept.setText(R.string.error_no_keys_to_trust_server_error);
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}
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} else {
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keysCardBinding.noKeysToAccept.setText(getString(R.string.no_keys_just_confirm, mAccount.getRoster().getContact(jid).getDisplayName()));
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}
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} else {
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keysCardBinding.noKeysToAccept.setVisibility(View.GONE);
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}
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binding.foreignKeys.addView(keysCardBinding.foreignKeysCard);
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}
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}
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if ((hasOwnKeys || foreignActuallyHasKeys()) && isCameraFeatureAvailable() && mUseCameraHintShown.compareAndSet(false,true)) {
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showCameraToast();
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}
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binding.ownKeysTitle.setText(mAccount.getJid().asBareJid().toString());
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binding.ownKeysCard.setVisibility(hasOwnKeys ? View.VISIBLE : View.GONE);
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binding.foreignKeys.setVisibility(hasForeignKeys ? View.VISIBLE : View.GONE);
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if(hasPendingKeyFetches()) {
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setFetching();
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lock();
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} else {
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if (!hasForeignKeys && hasNoOtherTrustedKeys()) {
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binding.keyErrorMessageCard.setVisibility(View.VISIBLE);
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if (lastFetchReport == AxolotlService.FetchStatus.ERROR
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|| mAccount.getAxolotlService().fetchMapHasErrors(contactJids)) {
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if (anyWithoutMutualPresenceSubscription(contactJids)) {
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binding.keyErrorMessage.setText(R.string.error_no_keys_to_trust_presence);
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} else {
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binding.keyErrorMessage.setText(R.string.error_no_keys_to_trust_server_error);
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}
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} else {
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binding.keyErrorMessage.setText(R.string.error_no_keys_to_trust);
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}
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binding.ownKeysDetails.removeAllViews();
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binding.ownKeysCard.setVisibility(View.GONE);
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binding.foreignKeys.removeAllViews();
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binding.foreignKeys.setVisibility(View.GONE);
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}
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lockOrUnlockAsNeeded();
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setDone();
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}
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}
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private boolean anyWithoutMutualPresenceSubscription(List<Jid> contactJids){
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for(Jid jid : contactJids) {
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if (!mAccount.getRoster().getContact(jid).mutualPresenceSubscription()) {
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return true;
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}
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}
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return false;
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}
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private boolean foreignActuallyHasKeys() {
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synchronized (this.foreignKeysToTrust) {
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for (Map.Entry<Jid, Map<String, Boolean>> entry : foreignKeysToTrust.entrySet()) {
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if (entry.getValue().size() > 0) {
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return true;
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}
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}
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}
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return false;
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}
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private boolean reloadFingerprints() {
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List<Jid> acceptedTargets = mConversation == null ? new ArrayList<Jid>() : mConversation.getAcceptedCryptoTargets();
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ownKeysToTrust.clear();
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AxolotlService service = this.mAccount.getAxolotlService();
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Set<IdentityKey> ownKeysSet = service.getKeysWithTrust(FingerprintStatus.createActiveUndecided());
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for(final IdentityKey identityKey : ownKeysSet) {
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final String fingerprint = CryptoHelper.bytesToHex(identityKey.getPublicKey().serialize());
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if(!ownKeysToTrust.containsKey(fingerprint)) {
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ownKeysToTrust.put(fingerprint, false);
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}
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}
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synchronized (this.foreignKeysToTrust) {
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foreignKeysToTrust.clear();
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for (Jid jid : contactJids) {
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Set<IdentityKey> foreignKeysSet = service.getKeysWithTrust(FingerprintStatus.createActiveUndecided(), jid);
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if (hasNoOtherTrustedKeys(jid) && ownKeysSet.size() == 0) {
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foreignKeysSet.addAll(service.getKeysWithTrust(FingerprintStatus.createActive(false), jid));
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}
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Map<String, Boolean> foreignFingerprints = new HashMap<>();
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for (final IdentityKey identityKey : foreignKeysSet) {
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final String fingerprint = CryptoHelper.bytesToHex(identityKey.getPublicKey().serialize());
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if (!foreignFingerprints.containsKey(fingerprint)) {
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foreignFingerprints.put(fingerprint, false);
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}
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}
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if (foreignFingerprints.size() > 0 || !acceptedTargets.contains(jid)) {
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foreignKeysToTrust.put(jid, foreignFingerprints);
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}
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}
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}
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return ownKeysSet.size() + foreignKeysToTrust.size() > 0;
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}
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public void onBackendConnected() {
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Intent intent = getIntent();
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this.mAccount = extractAccount(intent);
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if (this.mAccount != null && intent != null) {
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String uuid = intent.getStringExtra("conversation");
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this.mConversation = xmppConnectionService.findConversationByUuid(uuid);
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if (this.mPendingFingerprintVerificationUri != null) {
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processFingerprintVerification(this.mPendingFingerprintVerificationUri);
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this.mPendingFingerprintVerificationUri = null;
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} else {
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reloadFingerprints();
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populateView();
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invalidateOptionsMenu();
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}
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}
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}
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private boolean hasNoOtherTrustedKeys() {
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return mAccount == null || mAccount.getAxolotlService().anyTargetHasNoTrustedKeys(contactJids);
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}
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private boolean hasNoOtherTrustedKeys(Jid contact) {
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return mAccount == null || mAccount.getAxolotlService().getNumTrustedKeys(contact) == 0;
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}
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private boolean hasPendingKeyFetches() {
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return mAccount != null && mAccount.getAxolotlService().hasPendingKeyFetches(mAccount, contactJids);
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}
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@Override
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public void onKeyStatusUpdated(final AxolotlService.FetchStatus report) {
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final boolean keysToTrust = reloadFingerprints();
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if (report != null) {
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lastFetchReport = report;
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runOnUiThread(new Runnable() {
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@Override
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public void run() {
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if (mUseCameraHintToast != null && !keysToTrust) {
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mUseCameraHintToast.cancel();
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}
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switch (report) {
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case ERROR:
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Toast.makeText(TrustKeysActivity.this,R.string.error_fetching_omemo_key,Toast.LENGTH_SHORT).show();
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break;
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case SUCCESS_TRUSTED:
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Toast.makeText(TrustKeysActivity.this,R.string.blindly_trusted_omemo_keys,Toast.LENGTH_LONG).show();
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break;
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case SUCCESS_VERIFIED:
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Toast.makeText(TrustKeysActivity.this,
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Config.X509_VERIFICATION ? R.string.verified_omemo_key_with_certificate : R.string.all_omemo_keys_have_been_verified,
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Toast.LENGTH_LONG).show();
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break;
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}
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}
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});
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}
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if (keysToTrust || hasPendingKeyFetches() || hasNoOtherTrustedKeys()) {
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refreshUi();
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} else {
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runOnUiThread(new Runnable() {
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@Override
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public void run() {
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finishOk();
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}
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});
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}
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}
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private void finishOk() {
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Intent data = new Intent();
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data.putExtra("choice", getIntent().getIntExtra("choice", ConversationFragment.ATTACHMENT_CHOICE_INVALID));
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setResult(RESULT_OK, data);
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finish();
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}
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private void commitTrusts() {
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for(final String fingerprint :ownKeysToTrust.keySet()) {
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mAccount.getAxolotlService().setFingerprintTrust(
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fingerprint,
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FingerprintStatus.createActive(ownKeysToTrust.get(fingerprint)));
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}
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List<Jid> acceptedTargets = mConversation == null ? new ArrayList<>() : mConversation.getAcceptedCryptoTargets();
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synchronized (this.foreignKeysToTrust) {
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for (Map.Entry<Jid, Map<String, Boolean>> entry : foreignKeysToTrust.entrySet()) {
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Jid jid = entry.getKey();
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Map<String, Boolean> value = entry.getValue();
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if (!acceptedTargets.contains(jid)) {
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acceptedTargets.add(jid);
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}
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for (final String fingerprint : value.keySet()) {
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mAccount.getAxolotlService().setFingerprintTrust(
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fingerprint,
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FingerprintStatus.createActive(value.get(fingerprint)));
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}
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}
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}
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if (mConversation != null && mConversation.getMode() == Conversation.MODE_MULTI) {
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mConversation.setAcceptedCryptoTargets(acceptedTargets);
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xmppConnectionService.updateConversation(mConversation);
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}
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}
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private void unlock() {
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binding.saveButton.setEnabled(true);
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}
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private void lock() {
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binding.saveButton.setEnabled(false);
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}
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private void lockOrUnlockAsNeeded() {
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synchronized (this.foreignKeysToTrust) {
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for (Jid jid : contactJids) {
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Map<String, Boolean> fingerprints = foreignKeysToTrust.get(jid);
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if (hasNoOtherTrustedKeys(jid) && (fingerprints == null || !fingerprints.values().contains(true))) {
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lock();
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return;
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}
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}
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}
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unlock();
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}
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private void setDone() {
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binding.saveButton.setText(getString(R.string.done));
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}
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private void setFetching() {
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binding.saveButton.setText(getString(R.string.fetching_keys));
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}
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}
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