1package eu.siacs.conversations.ui;
2import android.util.Log;
3
4import android.app.Activity;
5import android.app.Dialog;
6import android.content.DialogInterface.OnClickListener;
7import android.content.DialogInterface;
8import android.os.Bundle;
9import android.text.Editable;
10import android.text.InputType;
11import android.text.TextWatcher;
12import android.util.Pair;
13import android.view.LayoutInflater;
14import android.view.View;
15import android.view.ViewGroup;
16import android.widget.AdapterView;
17import android.widget.ArrayAdapter;
18import android.widget.TextView;
19import android.widget.ToggleButton;
20
21import androidx.annotation.NonNull;
22import androidx.appcompat.app.AlertDialog;
23import androidx.databinding.DataBindingUtil;
24import androidx.fragment.app.DialogFragment;
25import androidx.recyclerview.widget.RecyclerView;
26import androidx.recyclerview.widget.LinearLayoutManager;
27
28import com.google.android.material.dialog.MaterialAlertDialogBuilder;
29import com.google.common.base.Strings;
30
31import java.util.ArrayList;
32import java.util.Arrays;
33import java.util.Collection;
34import java.util.Collections;
35import java.util.List;
36import java.util.Map;
37
38import io.michaelrocks.libphonenumber.android.NumberParseException;
39
40import eu.siacs.conversations.R;
41import eu.siacs.conversations.databinding.DialogEnterJidBinding;
42import eu.siacs.conversations.services.XmppConnectionService;
43import eu.siacs.conversations.entities.Account;
44import eu.siacs.conversations.entities.Contact;
45import eu.siacs.conversations.entities.Presence;
46import eu.siacs.conversations.entities.ServiceDiscoveryResult;
47import eu.siacs.conversations.ui.adapter.KnownHostsAdapter;
48import eu.siacs.conversations.ui.interfaces.OnBackendConnected;
49import eu.siacs.conversations.ui.util.DelayedHintHelper;
50import eu.siacs.conversations.utils.PhoneNumberUtilWrapper;
51import eu.siacs.conversations.xmpp.Jid;
52import eu.siacs.conversations.xmpp.OnGatewayResult;
53
54public class EnterJidDialog extends DialogFragment implements OnBackendConnected, TextWatcher {
55
56 private static final List<String> SUSPICIOUS_DOMAINS =
57 Arrays.asList("conference", "muc", "room", "rooms");
58
59 private OnEnterJidDialogPositiveListener mListener = null;
60
61 private static final String TITLE_KEY = "title";
62 private static final String POSITIVE_BUTTON_KEY = "positive_button";
63 private static final String SECONDARY_BUTTON_KEY = "secondary_button";
64 private static final String PREFILLED_JID_KEY = "prefilled_jid";
65 private static final String ACCOUNT_KEY = "account";
66 private static final String ALLOW_EDIT_JID_KEY = "allow_edit_jid";
67 private static final String ACCOUNTS_LIST_KEY = "activated_accounts_list";
68 private static final String SANITY_CHECK_JID = "sanity_check_jid";
69 private static final String SHOW_BOOKMARK_CHECKBOX = "show_bookmark_checkbox";
70
71 private KnownHostsAdapter knownHostsAdapter;
72 private Collection<String> whitelistedDomains = Collections.emptyList();
73
74 private DialogEnterJidBinding binding;
75 private AlertDialog dialog;
76 private SanityCheck sanityCheckJid = SanityCheck.NO;
77
78 private boolean issuedWarning = false;
79 private GatewayListAdapter gatewayListAdapter = new GatewayListAdapter();
80
81 public static enum SanityCheck {
82 NO,
83 YES,
84 ALLOW_MUC
85 }
86
87 public static EnterJidDialog newInstance(
88 final ArrayList<String> activatedAccounts,
89 final String title,
90 final String positiveButton,
91 final String secondaryButton,
92 final String prefilledJid,
93 final String account,
94 boolean allowEditJid,
95 boolean showBookmarkCheckbox,
96 final SanityCheck sanity_check_jid) {
97 final EnterJidDialog dialog = new EnterJidDialog();
98 Bundle bundle = new Bundle();
99 bundle.putString(TITLE_KEY, title);
100 bundle.putString(POSITIVE_BUTTON_KEY, positiveButton);
101 bundle.putString(SECONDARY_BUTTON_KEY, secondaryButton);
102 bundle.putString(PREFILLED_JID_KEY, prefilledJid);
103 bundle.putString(ACCOUNT_KEY, account);
104 bundle.putBoolean(ALLOW_EDIT_JID_KEY, allowEditJid);
105 bundle.putStringArrayList(ACCOUNTS_LIST_KEY, activatedAccounts);
106 bundle.putInt(SANITY_CHECK_JID, sanity_check_jid.ordinal());
107 bundle.putBoolean(SHOW_BOOKMARK_CHECKBOX, showBookmarkCheckbox);
108 dialog.setArguments(bundle);
109 return dialog;
110 }
111
112 @Override
113 public void onActivityCreated(Bundle savedInstanceState) {
114 super.onActivityCreated(savedInstanceState);
115 setRetainInstance(true);
116 }
117
118 @Override
119 public void onStart() {
120 super.onStart();
121 final Activity activity = getActivity();
122 if (activity instanceof XmppActivity
123 && ((XmppActivity) activity).xmppConnectionService != null) {
124 refreshKnownHosts();
125 }
126 }
127
128 @NonNull
129 @Override
130 public Dialog onCreateDialog(final Bundle savedInstanceState) {
131 final var arguments = getArguments();
132 final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
133 builder.setTitle(arguments.getString(TITLE_KEY));
134 binding =
135 DataBindingUtil.inflate(requireActivity().getLayoutInflater(), R.layout.dialog_enter_jid, null, false);
136 this.knownHostsAdapter = new KnownHostsAdapter(getActivity(), R.layout.item_autocomplete);
137 binding.jid.setAdapter(this.knownHostsAdapter);
138 binding.jid.addTextChangedListener(this);
139 final String prefilledJid = arguments.getString(PREFILLED_JID_KEY);
140 if (prefilledJid != null) {
141 binding.jid.append(prefilledJid);
142 if (!getArguments().getBoolean(ALLOW_EDIT_JID_KEY)) {
143 binding.jid.setFocusable(false);
144 binding.jid.setFocusableInTouchMode(false);
145 binding.jid.setClickable(false);
146 binding.jid.setCursorVisible(false);
147 }
148 }
149 sanityCheckJid = SanityCheck.values()[getArguments().getInt(SANITY_CHECK_JID, SanityCheck.NO.ordinal())];
150
151 if (!getArguments().getBoolean(SHOW_BOOKMARK_CHECKBOX, false)) {
152 binding.bookmark.setVisibility(View.GONE);
153 }
154
155 DelayedHintHelper.setHint(R.string.account_settings_example_jabber_id, binding.jid);
156
157 final String account = getArguments().getString(ACCOUNT_KEY);
158 if (Strings.isNullOrEmpty(account)) {
159 StartConversationActivity.populateAccountSpinner(
160 getActivity(),
161 arguments.getStringArrayList(ACCOUNTS_LIST_KEY),
162 binding.account);
163 } else {
164 final ArrayAdapter<String> adapter =
165 new ArrayAdapter<>(requireActivity(), R.layout.item_autocomplete, new String[] {account});
166 binding.account.setText(account);
167 binding.account.setEnabled(false);
168 adapter.setDropDownViewResource(R.layout.item_autocomplete);
169 binding.account.setAdapter(adapter);
170 }
171
172 binding.gatewayList.setLayoutManager(new LinearLayoutManager(getActivity(), LinearLayoutManager.HORIZONTAL, false));
173 binding.gatewayList.setAdapter(gatewayListAdapter);
174 gatewayListAdapter.setOnEmpty(() -> binding.gatewayList.setVisibility(View.GONE));
175 gatewayListAdapter.setOnNonEmpty(() -> binding.gatewayList.setVisibility(View.VISIBLE));
176
177 binding.account.setOnItemClickListener(new AdapterView.OnItemClickListener() {
178 @Override
179 public void onItemClick(AdapterView accountSpinner, View view, int position, long id) {
180 populateGateways();
181 }
182 });
183 populateGateways();
184
185 builder.setView(binding.getRoot());
186 builder.setPositiveButton(getArguments().getString(POSITIVE_BUTTON_KEY), null);
187 if (getArguments().getString(SECONDARY_BUTTON_KEY) == null) {
188 builder.setNegativeButton(R.string.cancel, null);
189 } else {
190 builder.setNegativeButton(getArguments().getString(SECONDARY_BUTTON_KEY), null);
191 builder.setNeutralButton(R.string.cancel, null);
192 }
193 this.dialog = builder.create();
194
195 binding.jid.setOnEditorActionListener(
196 (v, actionId, event) -> {
197 handleEnter(binding, account, false);
198 return true;
199 });
200
201 dialog.show();
202 dialog.getButton(AlertDialog.BUTTON_POSITIVE).setOnClickListener((v) -> handleEnter(binding, account, false));
203 if (getArguments().getString(SECONDARY_BUTTON_KEY) != null) {
204 dialog.getButton(AlertDialog.BUTTON_NEGATIVE).setOnClickListener((v) -> handleEnter(binding, account, true));
205 }
206 return dialog;
207 }
208
209 protected void populateGateways() {
210 XmppActivity context = (XmppActivity) getActivity();
211 if (context == null || context.xmppConnectionService == null || accountJid() == null) return;
212
213 gatewayListAdapter.clear();
214 final Account account = context.xmppConnectionService.findAccountByJid(accountJid());
215 if (account == null) return;
216
217 for (final Contact contact : account.getRoster().getContacts()) {
218 if (contact.showInRoster() && contact.getPresences().size() > 0 && (contact.getPresences().anyIdentity("gateway", null) || contact.getPresences().anySupport("jabber:iq:gateway"))) {
219 context.xmppConnectionService.fetchFromGateway(account, contact.getJid(), null, (final String prompt, String errorMessage) -> {
220 if (prompt == null && !contact.getPresences().anyIdentity("gateway", null)) return;
221
222 context.runOnUiThread(() -> {
223 gatewayListAdapter.add(contact, prompt);
224 });
225 });
226 }
227 }
228 }
229
230 protected Jid accountJid() {
231 try {
232 return Jid.ofEscaped((String) binding.account.getEditableText().toString());
233 } catch (final IllegalArgumentException e) {
234 return null;
235 }
236 }
237
238 private void handleEnter(DialogEnterJidBinding binding, String account, boolean secondary) {
239 if (!binding.account.isEnabled() && account == null) {
240 return;
241 }
242 final Jid accountJid = accountJid();
243 final OnGatewayResult finish = (final String jidString, final String errorMessage) -> {
244 Activity context = getActivity();
245 if (context == null) return; // Race condition, we got the reply after the UI was closed
246
247 context.runOnUiThread(() -> {
248 if (errorMessage != null) {
249 binding.jidLayout.setError(errorMessage);
250 return;
251 }
252 if (jidString == null) {
253 binding.jidLayout.setError(getActivity().getString(R.string.invalid_jid));
254 return;
255 }
256
257 Jid contactJid = null;
258 try {
259 contactJid = Jid.ofEscaped(jidString);
260 } catch (final IllegalArgumentException e) {
261 binding.jidLayout.setError(getActivity().getString(R.string.invalid_jid));
262 return;
263 }
264
265 if (!issuedWarning && sanityCheckJid != SanityCheck.NO) {
266 if (contactJid.isDomainJid()) {
267 binding.jidLayout.setError(getActivity().getString(R.string.this_looks_like_a_domain));
268 dialog.getButton(AlertDialog.BUTTON_POSITIVE).setText(R.string.add_anway);
269 issuedWarning = true;
270 return;
271 }
272 if (sanityCheckJid != SanityCheck.ALLOW_MUC && suspiciousSubDomain(contactJid.getDomain().toEscapedString())) {
273 binding.jidLayout.setError(getActivity().getString(R.string.this_looks_like_channel));
274 dialog.getButton(AlertDialog.BUTTON_POSITIVE).setText(R.string.add_anway);
275 issuedWarning = true;
276 return;
277 }
278 }
279
280 if (mListener != null) {
281 try {
282 if (mListener.onEnterJidDialogPositive(accountJid, contactJid, secondary, binding.bookmark.isChecked())) {
283 dialog.dismiss();
284 }
285 } catch (JidError error) {
286 binding.jidLayout.setError(error.toString());
287 dialog.getButton(AlertDialog.BUTTON_POSITIVE).setText(R.string.add);
288 issuedWarning = false;
289 }
290 }
291 });
292 };
293
294 Pair<String,Pair<Jid,Presence>> p = gatewayListAdapter.getSelected();
295 final String type = gatewayListAdapter.getSelectedType();
296
297 // Resolve based on local settings before submission
298 if (type != null && (type.equals("pstn") || type.equals("sms"))) {
299 try {
300 binding.jid.setText(PhoneNumberUtilWrapper.normalize(getActivity(), binding.jid.getText().toString(), true));
301 } catch (NumberParseException | IllegalArgumentException | NullPointerException e) { }
302 }
303
304 if (p == null) {
305 finish.onGatewayResult(binding.jid.getText().toString().trim(), null);
306 } else if (p.first != null) { // Gateway already responsed to jabber:iq:gateway once
307 final Account acct = ((XmppActivity) getActivity()).xmppConnectionService.findAccountByJid(accountJid);
308 ((XmppActivity) getActivity()).xmppConnectionService.fetchFromGateway(acct, p.second.first, binding.jid.getText().toString().trim(), finish);
309 } else if (p.second.first.isDomainJid() && p.second.second.getServiceDiscoveryResult().getFeatures().contains("jid\\20escaping")) {
310 finish.onGatewayResult(Jid.ofLocalAndDomain(binding.jid.getText().toString().trim(), p.second.first.getDomain().toString()).toString(), null);
311 } else if (p.second.first.isDomainJid()) {
312 finish.onGatewayResult(Jid.ofLocalAndDomain(binding.jid.getText().toString().trim().replace("@", "%"), p.second.first.getDomain().toString()).toString(), null);
313 } else {
314 finish.onGatewayResult(null, null);
315 }
316 }
317
318 public void setOnEnterJidDialogPositiveListener(OnEnterJidDialogPositiveListener listener) {
319 this.mListener = listener;
320 }
321
322 @Override
323 public void onBackendConnected() {
324 refreshKnownHosts();
325 }
326
327 private void refreshKnownHosts() {
328 final Activity activity = getActivity();
329 if (activity instanceof XmppActivity) {
330 final XmppConnectionService service = ((XmppActivity) activity).xmppConnectionService;
331 if (service == null) {
332 return;
333 }
334 final Collection<String> hosts = service.getKnownHosts();
335 this.knownHostsAdapter.refresh(hosts);
336 this.whitelistedDomains = hosts;
337 }
338 }
339
340 @Override
341 public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
342
343 @Override
344 public void onTextChanged(CharSequence s, int start, int before, int count) {}
345
346 @Override
347 public void afterTextChanged(Editable s) {
348 if (issuedWarning) {
349 dialog.getButton(AlertDialog.BUTTON_POSITIVE).setText(R.string.add);
350 binding.jidLayout.setError(null);
351 issuedWarning = false;
352 }
353 }
354
355 public interface OnEnterJidDialogPositiveListener {
356 boolean onEnterJidDialogPositive(Jid account, Jid contact, boolean secondary, boolean save) throws EnterJidDialog.JidError;
357 }
358
359 public static class JidError extends Exception {
360 final String msg;
361
362 public JidError(final String msg) {
363 this.msg = msg;
364 }
365
366 @NonNull
367 public String toString() {
368 return msg;
369 }
370 }
371
372 @Override
373 public void onDestroyView() {
374 Dialog dialog = getDialog();
375 if (dialog != null && getRetainInstance()) {
376 dialog.setDismissMessage(null);
377 }
378 super.onDestroyView();
379 }
380
381 private boolean suspiciousSubDomain(String domain) {
382 if (this.whitelistedDomains.contains(domain)) {
383 return false;
384 }
385 final String[] parts = domain.split("\\.");
386 return parts.length >= 3 && SUSPICIOUS_DOMAINS.contains(parts[0]);
387 }
388
389 protected class GatewayListAdapter extends RecyclerView.Adapter<GatewayListAdapter.ViewHolder> {
390 protected class ViewHolder extends RecyclerView.ViewHolder {
391 protected ToggleButton button;
392 protected int index;
393
394 public ViewHolder(View view, int i) {
395 super(view);
396 this.button = (ToggleButton) view.findViewById(R.id.button);
397 setIndex(i);
398 button.setOnClickListener(new View.OnClickListener() {
399 @Override
400 public void onClick(View v) {
401 button.setChecked(true); // Force visual not to flap to unchecked
402 setSelected(index);
403 }
404 });
405 }
406
407 public void setIndex(int i) {
408 this.index = i;
409 button.setChecked(selected == i);
410 }
411
412 public void useButton(int res) {
413 button.setText(res);
414 button.setTextOff(button.getText());
415 button.setTextOn(button.getText());
416 button.setChecked(selected == this.index);
417 binding.gatewayList.setVisibility(View.VISIBLE);
418 button.setVisibility(View.VISIBLE);
419 }
420
421 public void useButton(String txt) {
422 button.setTextOff(txt);
423 button.setTextOn(txt);
424 button.setChecked(selected == this.index);
425 binding.gatewayList.setVisibility(View.VISIBLE);
426 button.setVisibility(View.VISIBLE);
427 }
428 }
429
430 protected List<Pair<Contact,String>> gateways = new ArrayList();
431 protected int selected = 0;
432 protected Runnable onEmpty = () -> {};
433 protected Runnable onNonEmpty = () -> {};
434
435 @Override
436 public ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) {
437 View view = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.enter_jid_dialog_gateway_list_item, null);
438 return new ViewHolder(view, i);
439 }
440
441 @Override
442 public void onBindViewHolder(ViewHolder viewHolder, int i) {
443 viewHolder.setIndex(i);
444
445 if(i == 0) {
446 viewHolder.useButton(R.string.account_settings_jabber_id);
447 } else {
448 viewHolder.useButton(getLabel(i));
449 }
450 }
451
452 @Override
453 public int getItemCount() {
454 return this.gateways.size() + 1;
455 }
456
457 public void setSelected(int i) {
458 int old = this.selected;
459 this.selected = i;
460
461 if(i == 0) {
462 binding.jid.setThreshold(1);
463 binding.jid.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS | InputType.TYPE_TEXT_FLAG_AUTO_COMPLETE);
464 binding.jidLayout.setHint(R.string.account_settings_jabber_id);
465
466 if(binding.jid.hasFocus()) {
467 binding.jid.setHint(R.string.account_settings_example_jabber_id);
468 } else {
469 DelayedHintHelper.setHint(R.string.account_settings_example_jabber_id, binding.jid);
470 }
471 } else {
472 binding.jid.setThreshold(999999); // do not autocomplete
473 binding.jid.setHint(null);
474 binding.jid.setOnFocusChangeListener((v, hasFocus) -> {});
475 binding.jidLayout.setHint(this.gateways.get(i-1).second);
476
477 String type = getType(i);
478 if (type == null) type = "";
479 if (type.equals("pstn") || type.equals("sms")) {
480 binding.jid.setInputType(InputType.TYPE_CLASS_PHONE);
481 } else if (type.equals("email") || type.equals("sip")) {
482 binding.jid.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS);
483
484 if(binding.jid.hasFocus()) {
485 binding.jid.setHint(R.string.account_settings_example_jabber_id);
486 } else {
487 DelayedHintHelper.setHint(R.string.account_settings_example_jabber_id, binding.jid);
488 }
489 } else {
490 binding.jid.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
491 }
492 }
493
494 notifyItemChanged(old);
495 notifyItemChanged(i);
496 }
497
498 public String getLabel(Contact gateway) {
499 String type = getType(gateway);
500 if ("pstn".equals(type)) return "📞";
501 if (type != null) return type;
502
503 return gateway.getDisplayName();
504 }
505
506 public String getLabel(int i) {
507 if (i == 0) return null;
508
509 return getLabel(this.gateways.get(i-1).first);
510 }
511
512 public String getType(int i) {
513 if (i == 0) return null;
514
515 return getType(this.gateways.get(i-1).first);
516 }
517
518 public String getType(Contact gateway) {
519 List<String> types = getTypes(gateway);
520 return types.isEmpty() ? null : types.get(0);
521 }
522
523 public List<String> getTypes(Contact gateway) {
524 List<String> types = new ArrayList<>();
525
526 for(Presence p : gateway.getPresences().getPresences()) {
527 if(p.getServiceDiscoveryResult() != null) {
528 for (ServiceDiscoveryResult.Identity id : p.getServiceDiscoveryResult().getIdentities()) {
529 if ("gateway".equals(id.getCategory())) types.add(id.getType());
530 }
531 }
532 }
533
534 return types;
535 }
536
537 public String getSelectedType() {
538 return getType(selected);
539 }
540
541 public Pair<String, Pair<Jid,Presence>> getSelected() {
542 if(this.selected == 0) {
543 return null; // No gateway, just use direct JID entry
544 }
545
546 Pair<Contact,String> gateway = this.gateways.get(this.selected - 1);
547
548 Pair<Jid,Presence> presence = null;
549 for (Map.Entry<String,Presence> e : gateway.first.getPresences().getPresencesMap().entrySet()) {
550 Presence p = e.getValue();
551 if (p.getServiceDiscoveryResult() != null) {
552 if (p.getServiceDiscoveryResult().getFeatures().contains("jabber:iq:gateway")) {
553 if (e.getKey().equals("")) {
554 presence = new Pair<>(gateway.first.getJid(), p);
555 } else {
556 presence = new Pair<>(gateway.first.getJid().withResource(e.getKey()), p);
557 }
558 break;
559 }
560 if (p.getServiceDiscoveryResult().hasIdentity("gateway", null)) {
561 if (e.getKey().equals("")) {
562 presence = new Pair<>(gateway.first.getJid(), p);
563 } else {
564 presence = new Pair<>(gateway.first.getJid().withResource(e.getKey()), p);
565 }
566 }
567 }
568 }
569
570 return presence == null ? null : new Pair(gateway.second, presence);
571 }
572
573 public void setOnEmpty(Runnable r) {
574 onEmpty = r;
575 }
576
577 public void setOnNonEmpty(Runnable r) {
578 onNonEmpty = r;
579 }
580
581 public void clear() {
582 gateways.clear();
583 onEmpty.run();
584 notifyDataSetChanged();
585 setSelected(0);
586 }
587
588 public void add(Contact gateway, String prompt) {
589 if (getItemCount() < 2) onNonEmpty.run();
590 this.gateways.add(new Pair<>(gateway, prompt));
591 Collections.sort(this.gateways, (x, y) -> getLabel(x.first).compareTo(getLabel(y.first)));
592 notifyDataSetChanged();
593 }
594 }
595}