package eu.siacs.conversations.ui; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.CompoundButton; import android.widget.LinearLayout; import android.widget.TextView; import android.widget.Toast; import org.whispersystems.libaxolotl.IdentityKey; import java.util.HashMap; import java.util.Map; import java.util.Set; import eu.siacs.conversations.R; import eu.siacs.conversations.crypto.axolotl.AxolotlService; import eu.siacs.conversations.crypto.axolotl.XmppAxolotlSession; import eu.siacs.conversations.entities.Account; import eu.siacs.conversations.entities.Contact; import eu.siacs.conversations.xmpp.OnKeyStatusUpdated; import eu.siacs.conversations.xmpp.jid.InvalidJidException; import eu.siacs.conversations.xmpp.jid.Jid; public class TrustKeysActivity extends XmppActivity implements OnKeyStatusUpdated { private Jid accountJid; private Jid contactJid; private Contact contact; private Account mAccount; private TextView keyErrorMessage; private LinearLayout keyErrorMessageCard; private TextView ownKeysTitle; private LinearLayout ownKeys; private LinearLayout ownKeysCard; private TextView foreignKeysTitle; private LinearLayout foreignKeys; private LinearLayout foreignKeysCard; private Button mSaveButton; private Button mCancelButton; private final Map ownKeysToTrust = new HashMap<>(); private final Map foreignKeysToTrust = new HashMap<>(); private final OnClickListener mSaveButtonListener = new OnClickListener() { @Override public void onClick(View v) { commitTrusts(); finishOk(); } }; private final OnClickListener mCancelButtonListener = new OnClickListener() { @Override public void onClick(View v) { setResult(RESULT_CANCELED); finish(); } }; @Override protected void refreshUiReal() { invalidateOptionsMenu(); populateView(); } @Override protected String getShareableUri() { if (contact != null) { return contact.getShareableUri(); } else { return ""; } } @Override protected void onCreate(final Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_trust_keys); try { this.accountJid = Jid.fromString(getIntent().getExtras().getString("account")); } catch (final InvalidJidException ignored) { } try { this.contactJid = Jid.fromString(getIntent().getExtras().getString("contact")); } catch (final InvalidJidException ignored) { } keyErrorMessageCard = (LinearLayout) findViewById(R.id.key_error_message_card); keyErrorMessage = (TextView) findViewById(R.id.key_error_message); ownKeysTitle = (TextView) findViewById(R.id.own_keys_title); ownKeys = (LinearLayout) findViewById(R.id.own_keys_details); ownKeysCard = (LinearLayout) findViewById(R.id.own_keys_card); foreignKeysTitle = (TextView) findViewById(R.id.foreign_keys_title); foreignKeys = (LinearLayout) findViewById(R.id.foreign_keys_details); foreignKeysCard = (LinearLayout) findViewById(R.id.foreign_keys_card); mCancelButton = (Button) findViewById(R.id.cancel_button); mCancelButton.setOnClickListener(mCancelButtonListener); mSaveButton = (Button) findViewById(R.id.save_button); mSaveButton.setOnClickListener(mSaveButtonListener); if (getActionBar() != null) { getActionBar().setHomeButtonEnabled(true); getActionBar().setDisplayHomeAsUpEnabled(true); } } private void populateView() { setTitle(getString(R.string.trust_omemo_fingerprints)); ownKeys.removeAllViews(); foreignKeys.removeAllViews(); boolean hasOwnKeys = false; boolean hasForeignKeys = false; for(final String fingerprint : ownKeysToTrust.keySet()) { hasOwnKeys = true; addFingerprintRowWithListeners(ownKeys, contact.getAccount(), fingerprint, false, XmppAxolotlSession.Trust.fromBoolean(ownKeysToTrust.get(fingerprint)), false, new CompoundButton.OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { ownKeysToTrust.put(fingerprint, isChecked); // own fingerprints have no impact on locked status. } }, null ); } for(final String fingerprint : foreignKeysToTrust.keySet()) { hasForeignKeys = true; addFingerprintRowWithListeners(foreignKeys, contact.getAccount(), fingerprint, false, XmppAxolotlSession.Trust.fromBoolean(foreignKeysToTrust.get(fingerprint)), false, new CompoundButton.OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { foreignKeysToTrust.put(fingerprint, isChecked); lockOrUnlockAsNeeded(); } }, null ); } if(hasOwnKeys) { ownKeysTitle.setText(accountJid.toString()); ownKeysCard.setVisibility(View.VISIBLE); } if(hasForeignKeys) { foreignKeysTitle.setText(contactJid.toString()); foreignKeysCard.setVisibility(View.VISIBLE); } if(hasPendingKeyFetches()) { setFetching(); lock(); } else { if (!hasForeignKeys && hasNoOtherTrustedKeys()) { keyErrorMessageCard.setVisibility(View.VISIBLE); keyErrorMessage.setText(R.string.error_no_keys_to_trust); ownKeys.removeAllViews(); ownKeysCard.setVisibility(View.GONE); foreignKeys.removeAllViews(); foreignKeysCard.setVisibility(View.GONE); } lockOrUnlockAsNeeded(); setDone(); } } private boolean reloadFingerprints() { ownKeysToTrust.clear(); foreignKeysToTrust.clear(); AxolotlService service = this.mAccount.getAxolotlService(); Set ownKeysSet = service.getKeysWithTrust(XmppAxolotlSession.Trust.UNDECIDED); Set foreignKeysSet = service.getKeysWithTrust(XmppAxolotlSession.Trust.UNDECIDED, contact); if (hasNoOtherTrustedKeys() && ownKeysSet.size() == 0) { foreignKeysSet.addAll(service.getKeysWithTrust(XmppAxolotlSession.Trust.UNTRUSTED, contact)); } for(final IdentityKey identityKey : ownKeysSet) { if(!ownKeysToTrust.containsKey(identityKey)) { ownKeysToTrust.put(identityKey.getFingerprint().replaceAll("\\s", ""), false); } } for(final IdentityKey identityKey : foreignKeysSet) { if(!foreignKeysToTrust.containsKey(identityKey)) { foreignKeysToTrust.put(identityKey.getFingerprint().replaceAll("\\s", ""), false); } } return ownKeysSet.size() + foreignKeysSet.size() > 0; } @Override public void onBackendConnected() { if ((accountJid != null) && (contactJid != null)) { this.mAccount = xmppConnectionService.findAccountByJid(accountJid); if (this.mAccount == null) { return; } this.contact = this.mAccount.getRoster().getContact(contactJid); reloadFingerprints(); populateView(); } } private boolean hasNoOtherTrustedKeys() { return mAccount == null || mAccount.getAxolotlService().getNumTrustedKeys(contact) == 0; } private boolean hasPendingKeyFetches() { return mAccount != null && contact != null && mAccount.getAxolotlService().hasPendingKeyFetches(mAccount,contact); } @Override public void onKeyStatusUpdated(final AxolotlService.FetchStatus report) { if (report != null) { runOnUiThread(new Runnable() { @Override public void run() { switch (report) { case ERROR: Toast.makeText(TrustKeysActivity.this,R.string.error_fetching_omemo_key,Toast.LENGTH_SHORT).show(); break; case SUCCESS_VERIFIED: Toast.makeText(TrustKeysActivity.this,R.string.verified_omemo_key_with_certificate,Toast.LENGTH_LONG).show(); break; } } }); } boolean keysToTrust = reloadFingerprints(); if (keysToTrust || hasPendingKeyFetches() || hasNoOtherTrustedKeys()) { refreshUi(); } else { runOnUiThread(new Runnable() { @Override public void run() { finishOk(); } }); } } private void finishOk() { Intent data = new Intent(); data.putExtra("choice", getIntent().getIntExtra("choice", ConversationActivity.ATTACHMENT_CHOICE_INVALID)); setResult(RESULT_OK, data); finish(); } private void commitTrusts() { for(final String fingerprint :ownKeysToTrust.keySet()) { contact.getAccount().getAxolotlService().setFingerprintTrust( fingerprint, XmppAxolotlSession.Trust.fromBoolean(ownKeysToTrust.get(fingerprint))); } for(final String fingerprint:foreignKeysToTrust.keySet()) { contact.getAccount().getAxolotlService().setFingerprintTrust( fingerprint, XmppAxolotlSession.Trust.fromBoolean(foreignKeysToTrust.get(fingerprint))); } } private void unlock() { mSaveButton.setEnabled(true); mSaveButton.setTextColor(getPrimaryTextColor()); } private void lock() { mSaveButton.setEnabled(false); mSaveButton.setTextColor(getSecondaryTextColor()); } private void lockOrUnlockAsNeeded() { if (hasNoOtherTrustedKeys() && !foreignKeysToTrust.values().contains(true)){ lock(); } else { unlock(); } } private void setDone() { mSaveButton.setText(getString(R.string.done)); } private void setFetching() { mSaveButton.setText(getString(R.string.fetching_keys)); } }