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package de.pixart.messenger.ui;
import android.app.Activity;
import android.app.Dialog;
import android.databinding.DataBindingUtil;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v4.app.DialogFragment;
import android.support.v7.app.AlertDialog;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.View;
import android.widget.ArrayAdapter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import de.pixart.messenger.Config;
import de.pixart.messenger.R;
import de.pixart.messenger.databinding.EnterJidDialogBinding;
import de.pixart.messenger.ui.adapter.KnownHostsAdapter;
import de.pixart.messenger.ui.interfaces.OnBackendConnected;
import de.pixart.messenger.ui.util.DelayedHintHelper;
import rocks.xmpp.addr.Jid;
public class EnterJidDialog extends DialogFragment implements OnBackendConnected, TextWatcher {
private static final List<String> SUSPICIOUS_DOMAINS = Arrays.asList("conference", "muc", "room", "rooms", "chat");
private static final String TITLE_KEY = "title";
private static final String POSITIVE_BUTTON_KEY = "positive_button";
private static final String PREFILLED_JID_KEY = "prefilled_jid";
private static final String ACCOUNT_KEY = "account";
private static final String ALLOW_EDIT_JID_KEY = "allow_edit_jid";
private static final String MULTIPLE_ACCOUNTS = "multiple_accounts_enabled";
private static final String ACCOUNTS_LIST_KEY = "activated_accounts_list";
private static final String SANITY_CHECK_JID = "sanity_check_jid";
private OnEnterJidDialogPositiveListener mListener = null;
private KnownHostsAdapter knownHostsAdapter;
private Collection<String> whitelistedDomains = Collections.emptyList();
private EnterJidDialogBinding binding;
private AlertDialog dialog;
private boolean sanityCheckJid = false;
private boolean issuedWarning = false;
public static EnterJidDialog newInstance(final List<String> activatedAccounts,
final String title, final String positiveButton,
final String prefilledJid, final String account, boolean allowEditJid, boolean multipleAccounts, final boolean sanity_check_jid) {
EnterJidDialog dialog = new EnterJidDialog();
Bundle bundle = new Bundle();
bundle.putString(TITLE_KEY, title);
bundle.putString(POSITIVE_BUTTON_KEY, positiveButton);
bundle.putString(PREFILLED_JID_KEY, prefilledJid);
bundle.putString(ACCOUNT_KEY, account);
bundle.putBoolean(ALLOW_EDIT_JID_KEY, allowEditJid);
bundle.putBoolean(MULTIPLE_ACCOUNTS, multipleAccounts);
bundle.putStringArrayList(ACCOUNTS_LIST_KEY, (ArrayList<String>) activatedAccounts);
bundle.putBoolean(SANITY_CHECK_JID, sanity_check_jid);
dialog.setArguments(bundle);
return dialog;
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
setRetainInstance(true);
}
@Override
public void onStart() {
super.onStart();
final Activity activity = getActivity();
if (activity instanceof XmppActivity && ((XmppActivity) activity).xmppConnectionService != null) {
refreshKnownHosts();
}
}
@NonNull
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
builder.setTitle(getArguments().getString(TITLE_KEY));
binding = DataBindingUtil.inflate(getActivity().getLayoutInflater(), R.layout.enter_jid_dialog, null, false);
this.knownHostsAdapter = new KnownHostsAdapter(getActivity(), R.layout.simple_list_item);
binding.jid.setAdapter(this.knownHostsAdapter);
binding.jid.addTextChangedListener(this);
String prefilledJid = getArguments().getString(PREFILLED_JID_KEY);
if (prefilledJid != null) {
binding.jid.append(prefilledJid);
if (!getArguments().getBoolean(ALLOW_EDIT_JID_KEY)) {
binding.jid.setFocusable(false);
binding.jid.setFocusableInTouchMode(false);
binding.jid.setClickable(false);
binding.jid.setCursorVisible(false);
}
}
sanityCheckJid = getArguments().getBoolean(SANITY_CHECK_JID, false);
DelayedHintHelper.setHint(R.string.account_settings_example_jabber_id, binding.jid);
String account = getArguments().getString(ACCOUNT_KEY);
if (getArguments().getBoolean(MULTIPLE_ACCOUNTS)) {
binding.yourAccount.setVisibility(View.VISIBLE);
binding.account.setVisibility(View.VISIBLE);
} else {
binding.yourAccount.setVisibility(View.GONE);
binding.account.setVisibility(View.GONE);
}
if (account == null) {
StartConversationActivity.populateAccountSpinner(getActivity(), getArguments().getStringArrayList(ACCOUNTS_LIST_KEY), binding.account);
} else {
ArrayAdapter<String> adapter = new ArrayAdapter<>(getActivity(),
R.layout.simple_list_item,
new String[]{account});
binding.account.setEnabled(false);
adapter.setDropDownViewResource(R.layout.simple_list_item);
binding.account.setAdapter(adapter);
}
builder.setView(binding.getRoot());
builder.setNegativeButton(R.string.cancel, null);
builder.setPositiveButton(getArguments().getString(POSITIVE_BUTTON_KEY), null);
this.dialog = builder.create();
View.OnClickListener dialogOnClick = v -> {
handleEnter(binding, account);
};
binding.jid.setOnEditorActionListener((v, actionId, event) -> {
handleEnter(binding, account);
return true;
});
dialog.show();
dialog.getButton(AlertDialog.BUTTON_POSITIVE).setOnClickListener(dialogOnClick);
return dialog;
}
private void handleEnter(EnterJidDialogBinding binding, String account) {
final Jid accountJid;
if (!binding.account.isEnabled() && account == null) {
return;
}
try {
if (Config.DOMAIN_LOCK != null) {
accountJid = Jid.of((String) binding.account.getSelectedItem(), Config.DOMAIN_LOCK, null);
} else {
accountJid = Jid.of((String) binding.account.getSelectedItem());
}
} catch (final IllegalArgumentException e) {
return;
}
final Jid contactJid;
try {
contactJid = Jid.of(binding.jid.getText().toString());
} catch (final IllegalArgumentException e) {
binding.jidLayout.setError(getActivity().getString(R.string.invalid_jid));
return;
}
if (!issuedWarning && sanityCheckJid) {
if (contactJid.isDomainJid()) {
binding.jidLayout.setError(getActivity().getString(R.string.this_looks_like_a_domain));
dialog.getButton(AlertDialog.BUTTON_POSITIVE).setText(R.string.add_anway);
issuedWarning = true;
return;
}
if (suspiciousSubDomain(contactJid.getDomain())) {
binding.jidLayout.setError(getActivity().getString(R.string.this_looks_like_channel));
dialog.getButton(AlertDialog.BUTTON_POSITIVE).setText(R.string.add_anway);
issuedWarning = true;
return;
}
}
if (mListener != null) {
try {
if (mListener.onEnterJidDialogPositive(accountJid, contactJid)) {
dialog.dismiss();
}
} catch (JidError error) {
binding.jidLayout.setError(error.toString());
dialog.getButton(AlertDialog.BUTTON_POSITIVE).setText(R.string.add);
issuedWarning = false;
}
}
}
@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 (issuedWarning) {
dialog.getButton(AlertDialog.BUTTON_POSITIVE).setText(R.string.add);
binding.jidLayout.setError(null);
issuedWarning = false;
}
}
public void setOnEnterJidDialogPositiveListener(OnEnterJidDialogPositiveListener listener) {
this.mListener = listener;
}
@Override
public void onBackendConnected() {
refreshKnownHosts();
}
private void refreshKnownHosts() {
Activity activity = getActivity();
if (activity instanceof XmppActivity) {
Collection<String> hosts = ((XmppActivity) activity).xmppConnectionService.getKnownHosts();
this.knownHostsAdapter.refresh(hosts);
this.whitelistedDomains = hosts;
}
}
@Override
public void onDestroyView() {
Dialog dialog = getDialog();
if (dialog != null && getRetainInstance()) {
dialog.setDismissMessage(null);
}
super.onDestroyView();
}
public interface OnEnterJidDialogPositiveListener {
boolean onEnterJidDialogPositive(Jid account, Jid contact) throws EnterJidDialog.JidError;
}
public static class JidError extends Exception {
final String msg;
public JidError(final String msg) {
this.msg = msg;
}
public String toString() {
return msg;
}
}
private boolean suspiciousSubDomain(String domain) {
if (this.whitelistedDomains.contains(domain)) {
return false;
}
final String[] parts = domain.split("\\.");
return parts.length >= 3 && SUSPICIOUS_DOMAINS.contains(parts[0]);
}
}
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