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 void updateFeatures(ArrayList<String> features) {
377		this.features.clear();
378		this.features.addAll(features);
379	}
380
381	public void updateFormData(Data form) {
382		this.form = form;
383	}
384
385	public boolean hasFeature(String feature) {
386		return this.features.contains(feature);
387	}
388
389	public boolean canInvite() {
390		Field field = this.form.getFieldByName("muc#roomconfig_allowinvites");
391		return !membersOnly() || self.getRole().ranks(Role.MODERATOR) || (field != null && "1".equals(field.getValue()));
392	}
393
394	public boolean canChangeSubject() {
395		Field field = this.form.getFieldByName("muc#roomconfig_changesubject");
396		return self.getRole().ranks(Role.MODERATOR) || (field != null && "1".equals(field.getValue()));
397	}
398
399	public boolean allowPm() {
400		Field field = this.form.getFieldByName("muc#roomconfig_allowpm");
401		return field == null || "1".equals(field.getValue());
402	}
403
404	public boolean participating() {
405		return !online()
406				|| self.getRole().ranks(Role.PARTICIPANT)
407				|| hasFeature("muc_unmoderated");
408	}
409
410	public boolean membersOnly() {
411		return hasFeature("muc_membersonly");
412	}
413
414	public boolean mamSupport() {
415		return hasFeature(Namespace.MAM) || hasFeature(Namespace.MAM_LEGACY);
416	}
417
418	public boolean mamLegacy() {
419		return hasFeature(Namespace.MAM_LEGACY) && !hasFeature(Namespace.MAM);
420	}
421
422	public boolean nonanonymous() {
423		return hasFeature("muc_nonanonymous");
424	}
425
426	public boolean isPrivateAndNonAnonymous() {
427		return membersOnly() && nonanonymous();
428	}
429
430	public boolean persistent() {
431		return hasFeature("muc_persistent");
432	}
433
434	public boolean moderated() {
435		return hasFeature("muc_moderated");
436	}
437
438	public User deleteUser(Jid jid) {
439		User user = findUserByFullJid(jid);
440		if (user != null) {
441			synchronized (users) {
442				users.remove(user);
443				boolean realJidInMuc = false;
444				for (User u : users) {
445					if (user.realJid != null && user.realJid.equals(u.realJid)) {
446						realJidInMuc = true;
447						break;
448					}
449				}
450				boolean self = user.realJid != null && user.realJid.equals(account.getJid().asBareJid());
451				if (membersOnly()
452						&& nonanonymous()
453						&& user.affiliation.ranks(Affiliation.MEMBER)
454						&& user.realJid != null
455						&& !realJidInMuc
456						&& !self) {
457					user.role = Role.NONE;
458					user.avatar = null;
459					user.fullJid = null;
460					users.add(user);
461				}
462			}
463		}
464		return user;
465	}
466
467	//returns true if real jid was new;
468	public boolean updateUser(User user) {
469		User old;
470		boolean realJidFound = false;
471		if (user.fullJid == null && user.realJid != null) {
472			old = findUserByRealJid(user.realJid);
473			realJidFound = old != null;
474			if (old != null) {
475				if (old.fullJid != null) {
476					return false; //don't add. user already exists
477				} else {
478					synchronized (users) {
479						users.remove(old);
480					}
481				}
482			}
483		} else if (user.realJid != null) {
484			old = findUserByRealJid(user.realJid);
485			realJidFound = old != null;
486			synchronized (users) {
487				if (old != null && old.fullJid == null) {
488					users.remove(old);
489				}
490			}
491		}
492		old = findUserByFullJid(user.getFullJid());
493		synchronized (this.users) {
494			if (old != null) {
495				users.remove(old);
496			}
497			boolean fullJidIsSelf = isOnline && user.getFullJid() != null && user.getFullJid().equals(self.getFullJid());
498			if ((!membersOnly() || user.getAffiliation().ranks(Affiliation.MEMBER))
499					&& user.getAffiliation().outranks(Affiliation.OUTCAST)
500					&& !fullJidIsSelf){
501				this.users.add(user);
502				return !realJidFound && user.realJid != null;
503			}
504		}
505		return false;
506	}
507
508	public User findUserByFullJid(Jid jid) {
509		if (jid == null) {
510			return null;
511		}
512		synchronized (users) {
513			for (User user : users) {
514				if (jid.equals(user.getFullJid())) {
515					return user;
516				}
517			}
518		}
519		return null;
520	}
521
522	public User findUserByRealJid(Jid jid) {
523		if (jid == null) {
524			return null;
525		}
526		synchronized (users) {
527			for (User user : users) {
528				if (jid.equals(user.realJid)) {
529					return user;
530				}
531			}
532		}
533		return null;
534	}
535
536	public User findUser(ReadByMarker readByMarker) {
537		if (readByMarker.getRealJid() != null) {
538			User user = findUserByRealJid(readByMarker.getRealJid().asBareJid());
539			if (user == null) {
540				user = new User(this,readByMarker.getFullJid());
541				user.setRealJid(readByMarker.getRealJid());
542			}
543			return user;
544		} else if (readByMarker.getFullJid() != null) {
545			return findUserByFullJid(readByMarker.getFullJid());
546		} else {
547			return null;
548		}
549	}
550
551	public boolean isContactInRoom(Contact contact) {
552		return findUserByRealJid(contact.getJid().asBareJid()) != null;
553	}
554
555	public boolean isUserInRoom(Jid jid) {
556		return findUserByFullJid(jid) != null;
557	}
558
559	public void setError(Error error) {
560		this.isOnline = isOnline && error == Error.NONE;
561		this.error = error;
562	}
563
564	public boolean setOnline() {
565		boolean before = this.isOnline;
566		this.isOnline = true;
567		return !before;
568	}
569
570	public ArrayList<User> getUsers() {
571		return getUsers(true);
572	}
573
574	public ArrayList<User> getUsers(boolean includeOffline) {
575		synchronized (users) {
576			if (includeOffline) {
577				return new ArrayList<>(users);
578			} else {
579				ArrayList<User> onlineUsers = new ArrayList<>();
580				for (User user : users) {
581					if (user.getRole().ranks(Role.PARTICIPANT)) {
582						onlineUsers.add(user);
583					}
584				}
585				return onlineUsers;
586			}
587		}
588	}
589
590	public ArrayList<User> getUsersWithChatState(ChatState state, int max) {
591		synchronized (users) {
592			ArrayList<User> list = new ArrayList<>();
593			for(User user : users) {
594				if (user.chatState == state) {
595					list.add(user);
596					if (list.size() >= max) {
597						break;
598					}
599				}
600			}
601			return list;
602		}
603	}
604
605	public List<User> getUsers(int max) {
606		ArrayList<User> subset = new ArrayList<>();
607		HashSet<Jid> jids = new HashSet<>();
608		jids.add(account.getJid().asBareJid());
609		synchronized (users) {
610			for(User user : users) {
611				if (user.getRealJid() == null || jids.add(user.getRealJid())) {
612					subset.add(user);
613				}
614				if (subset.size() >= max) {
615					break;
616				}
617			}
618		}
619		return subset;
620	}
621
622	public int getUserCount() {
623		synchronized (users) {
624			return users.size();
625		}
626	}
627
628	private String getProposedNick() {
629		if (conversation.getBookmark() != null
630				&& conversation.getBookmark().getNick() != null
631				&& !conversation.getBookmark().getNick().trim().isEmpty()) {
632			return conversation.getBookmark().getNick().trim();
633		} else if (!conversation.getJid().isBareJid()) {
634			return conversation.getJid().getResource();
635		} else {
636			return JidHelper.localPartOrFallback(account.getJid());
637		}
638	}
639
640	public String getActualNick() {
641		if (this.self.getName() != null) {
642			return this.self.getName();
643		} else {
644			return this.getProposedNick();
645		}
646	}
647
648	public boolean online() {
649		return this.isOnline;
650	}
651
652	public Error getError() {
653		return this.error;
654	}
655
656	public void setOnRenameListener(OnRenameListener listener) {
657		this.onRenameListener = listener;
658	}
659
660	public void setOffline() {
661		synchronized (users) {
662			this.users.clear();
663		}
664		this.error = Error.NO_RESPONSE;
665		this.isOnline = false;
666	}
667
668	public User getSelf() {
669		return self;
670	}
671
672	public boolean setSubject(String subject) {
673		return this.conversation.setAttribute("subject",subject);
674	}
675
676	public String getSubject() {
677		return this.conversation.getAttribute("subject");
678	}
679
680	public List<User> getFallbackUsersFromCryptoTargets() {
681		List<User> users = new ArrayList<>();
682		for(Jid jid : conversation.getAcceptedCryptoTargets()) {
683			User user = new User(this,null);
684			user.setRealJid(jid);
685			users.add(user);
686		}
687		return users;
688	}
689
690	public List<User> getUsersRelevantForNameAndAvatar() {
691		final List<User> users;
692		if (isOnline) {
693			users = getUsers(5);
694		} else {
695			users = getFallbackUsersFromCryptoTargets();
696		}
697		return users;
698	}
699
700	public String createNameFromParticipants() {
701		List<User> users = getUsersRelevantForNameAndAvatar();
702		if (users.size() >= 2) {
703			StringBuilder builder = new StringBuilder();
704			for (User user : users) {
705				if (builder.length() != 0) {
706					builder.append(", ");
707				}
708				String name = UIHelper.getDisplayName(user);
709				if (name != null) {
710					builder.append(name.split("\\s+")[0]);
711				}
712			}
713			return builder.toString();
714		} else {
715			return null;
716		}
717	}
718
719	public long[] getPgpKeyIds() {
720		List<Long> ids = new ArrayList<>();
721		for (User user : this.users) {
722			if (user.getPgpKeyId() != 0) {
723				ids.add(user.getPgpKeyId());
724			}
725		}
726		ids.add(account.getPgpId());
727		long[] primitiveLongArray = new long[ids.size()];
728		for (int i = 0; i < ids.size(); ++i) {
729			primitiveLongArray[i] = ids.get(i);
730		}
731		return primitiveLongArray;
732	}
733
734	public boolean pgpKeysInUse() {
735		synchronized (users) {
736			for (User user : users) {
737				if (user.getPgpKeyId() != 0) {
738					return true;
739				}
740			}
741		}
742		return false;
743	}
744
745	public boolean everybodyHasKeys() {
746		synchronized (users) {
747			for (User user : users) {
748				if (user.getPgpKeyId() == 0) {
749					return false;
750				}
751			}
752		}
753		return true;
754	}
755
756	public Jid createJoinJid(String nick) {
757		try {
758			return Jid.of(this.conversation.getJid().asBareJid().toString() + "/" + nick);
759		} catch (final IllegalArgumentException e) {
760			return null;
761		}
762	}
763
764	public Jid getTrueCounterpart(Jid jid) {
765		if (jid.equals(getSelf().getFullJid())) {
766			return account.getJid().asBareJid();
767		}
768		User user = findUserByFullJid(jid);
769		return user == null ? null : user.realJid;
770	}
771
772	public String getPassword() {
773		this.password = conversation.getAttribute(Conversation.ATTRIBUTE_MUC_PASSWORD);
774		if (this.password == null && conversation.getBookmark() != null
775				&& conversation.getBookmark().getPassword() != null) {
776			return conversation.getBookmark().getPassword();
777		} else {
778			return this.password;
779		}
780	}
781
782	public void setPassword(String password) {
783		if (conversation.getBookmark() != null) {
784			conversation.getBookmark().setPassword(password);
785		} else {
786			this.password = password;
787		}
788		conversation.setAttribute(Conversation.ATTRIBUTE_MUC_PASSWORD, password);
789	}
790
791	public Conversation getConversation() {
792		return this.conversation;
793	}
794
795	public List<Jid> getMembers() {
796		ArrayList<Jid> members = new ArrayList<>();
797		synchronized (users) {
798			for (User user : users) {
799				if (user.affiliation.ranks(Affiliation.MEMBER) && user.realJid != null) {
800					members.add(user.realJid);
801				}
802			}
803		}
804		return members;
805	}
806}