1package eu.siacs.conversations.entities;
  2
  3import android.annotation.SuppressLint;
  4
  5import java.util.ArrayList;
  6import java.util.HashSet;
  7import java.util.List;
  8import java.util.Set;
  9
 10import eu.siacs.conversations.Config;
 11import eu.siacs.conversations.R;
 12import eu.siacs.conversations.utils.JidHelper;
 13import eu.siacs.conversations.utils.UIHelper;
 14import eu.siacs.conversations.xml.Namespace;
 15import eu.siacs.conversations.xmpp.chatstate.ChatState;
 16import eu.siacs.conversations.xmpp.forms.Data;
 17import eu.siacs.conversations.xmpp.forms.Field;
 18import eu.siacs.conversations.xmpp.pep.Avatar;
 19import rocks.xmpp.addr.Jid;
 20
 21@SuppressLint("DefaultLocale")
 22public class MucOptions {
 23
 24	private boolean mAutoPushConfiguration = true;
 25
 26	public Account getAccount() {
 27		return this.conversation.getAccount();
 28	}
 29
 30	public void setSelf(User user) {
 31		this.self = user;
 32	}
 33
 34	public void changeAffiliation(Jid jid, Affiliation affiliation) {
 35		User user = findUserByRealJid(jid);
 36		synchronized (users) {
 37			if (user != null && user.getRole() == Role.NONE) {
 38				users.remove(user);
 39				if (affiliation.ranks(Affiliation.MEMBER)) {
 40					user.affiliation = affiliation;
 41					users.add(user);
 42				}
 43			}
 44		}
 45	}
 46
 47	public void flagNoAutoPushConfiguration() {
 48		mAutoPushConfiguration = false;
 49	}
 50
 51	public boolean autoPushConfiguration() {
 52		return mAutoPushConfiguration;
 53	}
 54
 55	public boolean isSelf(Jid counterpart) {
 56		return counterpart.equals(self.getFullJid());
 57	}
 58
 59	public void resetChatState() {
 60		synchronized (users) {
 61			for (User user : users) {
 62				user.chatState = Config.DEFAULT_CHATSTATE;
 63			}
 64		}
 65	}
 66
 67	public enum Affiliation {
 68		OWNER("owner", 4, R.string.owner),
 69		ADMIN("admin", 3, R.string.admin),
 70		MEMBER("member", 2, R.string.member),
 71		OUTCAST("outcast", 0, R.string.outcast),
 72		NONE("none", 1, R.string.no_affiliation);
 73
 74		Affiliation(String string, int rank, int resId) {
 75			this.string = string;
 76			this.resId = resId;
 77			this.rank = rank;
 78		}
 79
 80		private String string;
 81		private int resId;
 82		private int rank;
 83
 84		public int getResId() {
 85			return resId;
 86		}
 87
 88		@Override
 89		public String toString() {
 90			return this.string;
 91		}
 92
 93		public boolean outranks(Affiliation affiliation) {
 94			return rank > affiliation.rank;
 95		}
 96
 97		public boolean ranks(Affiliation affiliation) {
 98			return rank >= affiliation.rank;
 99		}
100	}
101
102	public enum Role {
103		MODERATOR("moderator", R.string.moderator, 3),
104		VISITOR("visitor", R.string.visitor, 1),
105		PARTICIPANT("participant", R.string.participant, 2),
106		NONE("none", R.string.no_role, 0);
107
108		Role(String string, int resId, int rank) {
109			this.string = string;
110			this.resId = resId;
111			this.rank = rank;
112		}
113
114		private String string;
115		private int resId;
116		private int rank;
117
118		public int getResId() {
119			return resId;
120		}
121
122		@Override
123		public String toString() {
124			return this.string;
125		}
126
127		public boolean ranks(Role role) {
128			return rank >= role.rank;
129		}
130	}
131
132	public enum Error {
133		NO_RESPONSE,
134		SERVER_NOT_FOUND,
135		NONE,
136		NICK_IN_USE,
137		PASSWORD_REQUIRED,
138		BANNED,
139		MEMBERS_ONLY,
140		KICKED,
141		SHUTDOWN,
142		INVALID_NICK,
143		UNKNOWN
144	}
145
146	public static final String STATUS_CODE_SELF_PRESENCE = "110";
147	public static final String STATUS_CODE_ROOM_CREATED = "201";
148	public static final String STATUS_CODE_BANNED = "301";
149	public static final String STATUS_CODE_CHANGED_NICK = "303";
150	public static final String STATUS_CODE_KICKED = "307";
151	public static final String STATUS_CODE_AFFILIATION_CHANGE = "321";
152	public static final String STATUS_CODE_LOST_MEMBERSHIP = "322";
153	public static final String STATUS_CODE_SHUTDOWN = "332";
154
155	private interface OnEventListener {
156		void onSuccess();
157
158		void onFailure();
159	}
160
161	public interface OnRenameListener extends OnEventListener {
162
163	}
164
165	public static class User implements Comparable<User> {
166		private Role role = Role.NONE;
167		private Affiliation affiliation = Affiliation.NONE;
168		private Jid realJid;
169		private Jid fullJid;
170		private long pgpKeyId = 0;
171		private Avatar avatar;
172		private MucOptions options;
173		private ChatState chatState = Config.DEFAULT_CHATSTATE;
174
175		public User(MucOptions options, Jid from) {
176			this.options = options;
177			this.fullJid = from;
178		}
179
180		public String getName() {
181			return fullJid == null ? null : fullJid.getResource();
182		}
183
184		public void setRealJid(Jid jid) {
185			this.realJid = jid != null ? jid.asBareJid() : null;
186		}
187
188		public Role getRole() {
189			return this.role;
190		}
191
192		public void setRole(String role) {
193			if (role == null) {
194				this.role = Role.NONE;
195				return;
196			}
197			role = role.toLowerCase();
198			switch (role) {
199				case "moderator":
200					this.role = Role.MODERATOR;
201					break;
202				case "participant":
203					this.role = Role.PARTICIPANT;
204					break;
205				case "visitor":
206					this.role = Role.VISITOR;
207					break;
208				default:
209					this.role = Role.NONE;
210					break;
211			}
212		}
213
214		public Affiliation getAffiliation() {
215			return this.affiliation;
216		}
217
218		public void setAffiliation(String affiliation) {
219			if (affiliation == null) {
220				this.affiliation = Affiliation.NONE;
221				return;
222			}
223			affiliation = affiliation.toLowerCase();
224			switch (affiliation) {
225				case "admin":
226					this.affiliation = Affiliation.ADMIN;
227					break;
228				case "owner":
229					this.affiliation = Affiliation.OWNER;
230					break;
231				case "member":
232					this.affiliation = Affiliation.MEMBER;
233					break;
234				case "outcast":
235					this.affiliation = Affiliation.OUTCAST;
236					break;
237				default:
238					this.affiliation = Affiliation.NONE;
239			}
240		}
241
242		public void setPgpKeyId(long id) {
243			this.pgpKeyId = id;
244		}
245
246		public long getPgpKeyId() {
247			if (this.pgpKeyId != 0) {
248				return this.pgpKeyId;
249			} else if (realJid != null) {
250				return getAccount().getRoster().getContact(realJid).getPgpKeyId();
251			} else {
252				return 0;
253			}
254		}
255
256		public Contact getContact() {
257			if (fullJid != null) {
258				return getAccount().getRoster().getContactFromRoster(realJid);
259			} else if (realJid != null) {
260				return getAccount().getRoster().getContact(realJid);
261			} else {
262				return null;
263			}
264		}
265
266		public boolean setAvatar(Avatar avatar) {
267			if (this.avatar != null && this.avatar.equals(avatar)) {
268				return false;
269			} else {
270				this.avatar = avatar;
271				return true;
272			}
273		}
274
275		public String getAvatar() {
276			return avatar == null ? null : avatar.getFilename();
277		}
278
279		public Account getAccount() {
280			return options.getAccount();
281		}
282
283		public Conversation getConversation() {
284			return options.getConversation();
285		}
286
287		public Jid getFullJid() {
288			return fullJid;
289		}
290
291		@Override
292		public boolean equals(Object o) {
293			if (this == o) return true;
294			if (o == null || getClass() != o.getClass()) return false;
295
296			User user = (User) o;
297
298			if (role != user.role) return false;
299			if (affiliation != user.affiliation) return false;
300			if (realJid != null ? !realJid.equals(user.realJid) : user.realJid != null)
301				return false;
302			return fullJid != null ? fullJid.equals(user.fullJid) : user.fullJid == null;
303
304		}
305
306		@Override
307		public int hashCode() {
308			int result = role != null ? role.hashCode() : 0;
309			result = 31 * result + (affiliation != null ? affiliation.hashCode() : 0);
310			result = 31 * result + (realJid != null ? realJid.hashCode() : 0);
311			result = 31 * result + (fullJid != null ? fullJid.hashCode() : 0);
312			return result;
313		}
314
315		@Override
316		public String toString() {
317			return "[fulljid:" + String.valueOf(fullJid) + ",realjid:" + String.valueOf(realJid) + ",affiliation" + affiliation.toString() + "]";
318		}
319
320		public boolean realJidMatchesAccount() {
321			return realJid != null && realJid.equals(options.account.getJid().asBareJid());
322		}
323
324		@Override
325		public int compareTo(User another) {
326			if (another.getAffiliation().outranks(getAffiliation())) {
327				return 1;
328			} else if (getAffiliation().outranks(another.getAffiliation())) {
329				return -1;
330			} else {
331				return getComparableName().compareToIgnoreCase(another.getComparableName());
332			}
333		}
334
335
336		private String getComparableName() {
337			Contact contact = getContact();
338			if (contact != null) {
339				return contact.getDisplayName();
340			} else {
341				String name = getName();
342				return name == null ? "" : name;
343			}
344		}
345
346		public Jid getRealJid() {
347			return realJid;
348		}
349
350		public boolean setChatState(ChatState chatState) {
351			if (this.chatState == chatState) {
352				return false;
353			}
354			this.chatState = chatState;
355			return true;
356		}
357	}
358
359	private Account account;
360	private final Set<User> users = new HashSet<>();
361	private final List<String> features = new ArrayList<>();
362	private Data form = new Data();
363	private final Conversation conversation;
364	private boolean isOnline = false;
365	private Error error = Error.NONE;
366	public OnRenameListener onRenameListener = null;
367	private User self;
368	private String password = null;
369
370	public MucOptions(Conversation conversation) {
371		this.account = conversation.getAccount();
372		this.conversation = conversation;
373		this.self = new User(this, createJoinJid(getProposedNick()));
374	}
375
376	public boolean updateConfiguration(List<String> features, Data data) {
377		updateFeatures(features);
378		updateFormData(data == null ? new Data() : data);
379		Field allowPmField = this.form.getFieldByName("muc#roomconfig_allowpm");
380		boolean changed = false;
381		changed |= conversation.setAttribute(Conversation.ATTRIBUTE_ALLOW_PM, allowPmField == null || "1".equals(allowPmField.getValue()));
382		changed |= conversation.setAttribute(Conversation.ATTRIBUTE_MEMBERS_ONLY, this.hasFeature("muc_membersonly"));
383		changed |= conversation.setAttribute(Conversation.ATTRIBUTE_MODERATED, this.hasFeature("muc_moderated"));
384		changed |= conversation.setAttribute(Conversation.ATTRIBUTE_NON_ANONYMOUS, this.hasFeature("muc_nonanonymous"));
385		return changed;
386	}
387
388	private void updateFeatures(List<String> features) {
389		this.features.clear();
390		this.features.addAll(features);
391	}
392
393	private void updateFormData(Data form) {
394		this.form = form;
395	}
396
397	public boolean hasFeature(String feature) {
398		return this.features.contains(feature);
399	}
400
401	public boolean canInvite() {
402		Field field = this.form.getFieldByName("muc#roomconfig_allowinvites");
403		return !membersOnly() || self.getRole().ranks(Role.MODERATOR) || (field != null && "1".equals(field.getValue()));
404	}
405
406	public boolean canChangeSubject() {
407		Field field = this.form.getFieldByName("muc#roomconfig_changesubject");
408		return self.getRole().ranks(Role.MODERATOR) || (field != null && "1".equals(field.getValue()));
409	}
410
411	public boolean allowPm() {
412		return conversation.getBooleanAttribute(Conversation.ATTRIBUTE_ALLOW_PM, false);
413	}
414
415	public boolean participating() {
416		return !online()
417				|| self.getRole().ranks(Role.PARTICIPANT)
418				|| hasFeature("muc_unmoderated");
419	}
420
421	public boolean membersOnly() {
422		return conversation.getBooleanAttribute(Conversation.ATTRIBUTE_MEMBERS_ONLY, false);
423	}
424
425	public boolean mamSupport() {
426		return hasFeature(Namespace.MAM) || hasFeature(Namespace.MAM_LEGACY);
427	}
428
429	public boolean mamLegacy() {
430		return hasFeature(Namespace.MAM_LEGACY) && !hasFeature(Namespace.MAM);
431	}
432
433	public boolean nonanonymous() {
434		return conversation.getBooleanAttribute(Conversation.ATTRIBUTE_NON_ANONYMOUS, false);
435	}
436
437	public boolean isPrivateAndNonAnonymous() {
438		return membersOnly() && nonanonymous();
439	}
440
441	public boolean moderated() {
442		return conversation.getBooleanAttribute(Conversation.ATTRIBUTE_MODERATED, false);
443	}
444
445	public User deleteUser(Jid jid) {
446		User user = findUserByFullJid(jid);
447		if (user != null) {
448			synchronized (users) {
449				users.remove(user);
450				boolean realJidInMuc = false;
451				for (User u : users) {
452					if (user.realJid != null && user.realJid.equals(u.realJid)) {
453						realJidInMuc = true;
454						break;
455					}
456				}
457				boolean self = user.realJid != null && user.realJid.equals(account.getJid().asBareJid());
458				if (membersOnly()
459						&& nonanonymous()
460						&& user.affiliation.ranks(Affiliation.MEMBER)
461						&& user.realJid != null
462						&& !realJidInMuc
463						&& !self) {
464					user.role = Role.NONE;
465					user.avatar = null;
466					user.fullJid = null;
467					users.add(user);
468				}
469			}
470		}
471		return user;
472	}
473
474	//returns true if real jid was new;
475	public boolean updateUser(User user) {
476		User old;
477		boolean realJidFound = false;
478		if (user.fullJid == null && user.realJid != null) {
479			old = findUserByRealJid(user.realJid);
480			realJidFound = old != null;
481			if (old != null) {
482				if (old.fullJid != null) {
483					return false; //don't add. user already exists
484				} else {
485					synchronized (users) {
486						users.remove(old);
487					}
488				}
489			}
490		} else if (user.realJid != null) {
491			old = findUserByRealJid(user.realJid);
492			realJidFound = old != null;
493			synchronized (users) {
494				if (old != null && old.fullJid == null) {
495					users.remove(old);
496				}
497			}
498		}
499		old = findUserByFullJid(user.getFullJid());
500		synchronized (this.users) {
501			if (old != null) {
502				users.remove(old);
503			}
504			boolean fullJidIsSelf = isOnline && user.getFullJid() != null && user.getFullJid().equals(self.getFullJid());
505			if ((!membersOnly() || user.getAffiliation().ranks(Affiliation.MEMBER))
506					&& user.getAffiliation().outranks(Affiliation.OUTCAST)
507					&& !fullJidIsSelf) {
508				this.users.add(user);
509				return !realJidFound && user.realJid != null;
510			}
511		}
512		return false;
513	}
514
515	public User findUserByFullJid(Jid jid) {
516		if (jid == null) {
517			return null;
518		}
519		synchronized (users) {
520			for (User user : users) {
521				if (jid.equals(user.getFullJid())) {
522					return user;
523				}
524			}
525		}
526		return null;
527	}
528
529	public User findUserByRealJid(Jid jid) {
530		if (jid == null) {
531			return null;
532		}
533		synchronized (users) {
534			for (User user : users) {
535				if (jid.equals(user.realJid)) {
536					return user;
537				}
538			}
539		}
540		return null;
541	}
542
543	public User findUser(ReadByMarker readByMarker) {
544		if (readByMarker.getRealJid() != null) {
545			User user = findUserByRealJid(readByMarker.getRealJid().asBareJid());
546			if (user == null) {
547				user = new User(this, readByMarker.getFullJid());
548				user.setRealJid(readByMarker.getRealJid());
549			}
550			return user;
551		} else if (readByMarker.getFullJid() != null) {
552			return findUserByFullJid(readByMarker.getFullJid());
553		} else {
554			return null;
555		}
556	}
557
558	public boolean isContactInRoom(Contact contact) {
559		return findUserByRealJid(contact.getJid().asBareJid()) != null;
560	}
561
562	public boolean isUserInRoom(Jid jid) {
563		return findUserByFullJid(jid) != null;
564	}
565
566	public void setError(Error error) {
567		this.isOnline = isOnline && error == Error.NONE;
568		this.error = error;
569	}
570
571	public boolean setOnline() {
572		boolean before = this.isOnline;
573		this.isOnline = true;
574		return !before;
575	}
576
577	public ArrayList<User> getUsers() {
578		return getUsers(true);
579	}
580
581	public ArrayList<User> getUsers(boolean includeOffline) {
582		synchronized (users) {
583			if (includeOffline) {
584				return new ArrayList<>(users);
585			} else {
586				ArrayList<User> onlineUsers = new ArrayList<>();
587				for (User user : users) {
588					if (user.getRole().ranks(Role.PARTICIPANT)) {
589						onlineUsers.add(user);
590					}
591				}
592				return onlineUsers;
593			}
594		}
595	}
596
597	public ArrayList<User> getUsersWithChatState(ChatState state, int max) {
598		synchronized (users) {
599			ArrayList<User> list = new ArrayList<>();
600			for (User user : users) {
601				if (user.chatState == state) {
602					list.add(user);
603					if (list.size() >= max) {
604						break;
605					}
606				}
607			}
608			return list;
609		}
610	}
611
612	public List<User> getUsers(int max) {
613		ArrayList<User> subset = new ArrayList<>();
614		HashSet<Jid> jids = new HashSet<>();
615		jids.add(account.getJid().asBareJid());
616		synchronized (users) {
617			for (User user : users) {
618				if (user.getRealJid() == null || jids.add(user.getRealJid())) {
619					subset.add(user);
620				}
621				if (subset.size() >= max) {
622					break;
623				}
624			}
625		}
626		return subset;
627	}
628
629	public int getUserCount() {
630		synchronized (users) {
631			return users.size();
632		}
633	}
634
635	private String getProposedNick() {
636		if (conversation.getBookmark() != null
637				&& conversation.getBookmark().getNick() != null
638				&& !conversation.getBookmark().getNick().trim().isEmpty()) {
639			return conversation.getBookmark().getNick().trim();
640		} else if (!conversation.getJid().isBareJid()) {
641			return conversation.getJid().getResource();
642		} else {
643			return JidHelper.localPartOrFallback(account.getJid());
644		}
645	}
646
647	public String getActualNick() {
648		if (this.self.getName() != null) {
649			return this.self.getName();
650		} else {
651			return this.getProposedNick();
652		}
653	}
654
655	public boolean online() {
656		return this.isOnline;
657	}
658
659	public Error getError() {
660		return this.error;
661	}
662
663	public void setOnRenameListener(OnRenameListener listener) {
664		this.onRenameListener = listener;
665	}
666
667	public void setOffline() {
668		synchronized (users) {
669			this.users.clear();
670		}
671		this.error = Error.NO_RESPONSE;
672		this.isOnline = false;
673	}
674
675	public User getSelf() {
676		return self;
677	}
678
679	public boolean setSubject(String subject) {
680		return this.conversation.setAttribute("subject", subject);
681	}
682
683	public String getSubject() {
684		return this.conversation.getAttribute("subject");
685	}
686
687	public List<User> getFallbackUsersFromCryptoTargets() {
688		List<User> users = new ArrayList<>();
689		for (Jid jid : conversation.getAcceptedCryptoTargets()) {
690			User user = new User(this, null);
691			user.setRealJid(jid);
692			users.add(user);
693		}
694		return users;
695	}
696
697	public List<User> getUsersRelevantForNameAndAvatar() {
698		final List<User> users;
699		if (isOnline) {
700			users = getUsers(5);
701		} else {
702			users = getFallbackUsersFromCryptoTargets();
703		}
704		return users;
705	}
706
707	public String createNameFromParticipants() {
708		List<User> users = getUsersRelevantForNameAndAvatar();
709		if (users.size() >= 2) {
710			StringBuilder builder = new StringBuilder();
711			for (User user : users) {
712				if (builder.length() != 0) {
713					builder.append(", ");
714				}
715				String name = UIHelper.getDisplayName(user);
716				if (name != null) {
717					builder.append(name.split("\\s+")[0]);
718				}
719			}
720			return builder.toString();
721		} else {
722			return null;
723		}
724	}
725
726	public long[] getPgpKeyIds() {
727		List<Long> ids = new ArrayList<>();
728		for (User user : this.users) {
729			if (user.getPgpKeyId() != 0) {
730				ids.add(user.getPgpKeyId());
731			}
732		}
733		ids.add(account.getPgpId());
734		long[] primitiveLongArray = new long[ids.size()];
735		for (int i = 0; i < ids.size(); ++i) {
736			primitiveLongArray[i] = ids.get(i);
737		}
738		return primitiveLongArray;
739	}
740
741	public boolean pgpKeysInUse() {
742		synchronized (users) {
743			for (User user : users) {
744				if (user.getPgpKeyId() != 0) {
745					return true;
746				}
747			}
748		}
749		return false;
750	}
751
752	public boolean everybodyHasKeys() {
753		synchronized (users) {
754			for (User user : users) {
755				if (user.getPgpKeyId() == 0) {
756					return false;
757				}
758			}
759		}
760		return true;
761	}
762
763	public Jid createJoinJid(String nick) {
764		try {
765			return Jid.of(this.conversation.getJid().asBareJid().toString() + "/" + nick);
766		} catch (final IllegalArgumentException e) {
767			return null;
768		}
769	}
770
771	public Jid getTrueCounterpart(Jid jid) {
772		if (jid.equals(getSelf().getFullJid())) {
773			return account.getJid().asBareJid();
774		}
775		User user = findUserByFullJid(jid);
776		return user == null ? null : user.realJid;
777	}
778
779	public String getPassword() {
780		this.password = conversation.getAttribute(Conversation.ATTRIBUTE_MUC_PASSWORD);
781		if (this.password == null && conversation.getBookmark() != null
782				&& conversation.getBookmark().getPassword() != null) {
783			return conversation.getBookmark().getPassword();
784		} else {
785			return this.password;
786		}
787	}
788
789	public void setPassword(String password) {
790		if (conversation.getBookmark() != null) {
791			conversation.getBookmark().setPassword(password);
792		} else {
793			this.password = password;
794		}
795		conversation.setAttribute(Conversation.ATTRIBUTE_MUC_PASSWORD, password);
796	}
797
798	public Conversation getConversation() {
799		return this.conversation;
800	}
801
802	public List<Jid> getMembers() {
803		ArrayList<Jid> members = new ArrayList<>();
804		synchronized (users) {
805			for (User user : users) {
806				if (user.affiliation.ranks(Affiliation.MEMBER) && user.realJid != null) {
807					members.add(user.realJid);
808				}
809			}
810		}
811		return members;
812	}
813}