package eu.siacs.conversations.ui; import android.content.Intent; import android.content.pm.ActivityInfo; import android.os.Bundle; import android.text.Editable; import android.text.TextWatcher; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; import android.widget.Toast; import java.security.SecureRandom; import eu.siacs.conversations.Config; import eu.siacs.conversations.R; import eu.siacs.conversations.entities.Account; import eu.siacs.conversations.xmpp.jid.InvalidJidException; import eu.siacs.conversations.xmpp.jid.Jid; public class MagicCreateActivity extends XmppActivity implements TextWatcher { private TextView mFullJidDisplay; private EditText mUsername; private SecureRandom mRandom; private static final String CHARS = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456780+-/#$!?"; private static final int PW_LENGTH = 10; @Override protected void refreshUiReal() { } @Override void onBackendConnected() { } @Override public void onStart() { super.onStart(); final int theme = findTheme(); if (this.mTheme != theme) { recreate(); } } @Override protected void onCreate(final Bundle savedInstanceState) { if (getResources().getBoolean(R.bool.portrait_only)) { setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT); } super.onCreate(savedInstanceState); setContentView(R.layout.magic_create); mFullJidDisplay = findViewById(R.id.full_jid); mUsername = findViewById(R.id.username); mRandom = new SecureRandom(); Button next = findViewById(R.id.create_account); next.setOnClickListener(v -> { String username = mUsername.getText().toString(); if (username.contains("@") || username.length() < 3) { mUsername.setError(getString(R.string.invalid_username)); mUsername.requestFocus(); } else { mUsername.setError(null); try { Jid jid = Jid.fromParts(username.toLowerCase(), Config.MAGIC_CREATE_DOMAIN, null); Account account = xmppConnectionService.findAccountByJid(jid); if (account == null) { account = new Account(jid, createPassword()); account.setOption(Account.OPTION_REGISTER, true); account.setOption(Account.OPTION_DISABLED, true); account.setOption(Account.OPTION_MAGIC_CREATE, true); xmppConnectionService.createAccount(account); } Intent intent = new Intent(MagicCreateActivity.this, EditAccountActivity.class); intent.putExtra("jid", account.getJid().toBareJid().toString()); intent.putExtra("init", true); intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); Toast.makeText(MagicCreateActivity.this, R.string.secure_password_generated, Toast.LENGTH_SHORT).show(); WelcomeActivity.addInvitee(intent, getIntent()); startActivity(intent); } catch (InvalidJidException e) { mUsername.setError(getString(R.string.invalid_username)); mUsername.requestFocus(); } } }); mUsername.addTextChangedListener(this); } private String createPassword() { StringBuilder builder = new StringBuilder(PW_LENGTH); for (int i = 0; i < PW_LENGTH; ++i) { builder.append(CHARS.charAt(mRandom.nextInt(CHARS.length() - 1))); } return builder.toString(); } @Override public void beforeTextChanged(CharSequence s, int start, int count, int after) { } @Override public void onTextChanged(CharSequence s, int start, int before, int count) { } @Override public void afterTextChanged(Editable s) { if (s.toString().trim().length() > 0) { try { mFullJidDisplay.setVisibility(View.VISIBLE); Jid jid = Jid.fromParts(s.toString().toLowerCase(), Config.MAGIC_CREATE_DOMAIN, null); mFullJidDisplay.setText(getString(R.string.your_full_jid_will_be, jid.toString())); } catch (InvalidJidException e) { mFullJidDisplay.setVisibility(View.INVISIBLE); } } else { mFullJidDisplay.setVisibility(View.INVISIBLE); } } }