MucOptions.java

  1package eu.siacs.conversations.entities;
  2
  3import java.util.ArrayList;
  4import java.util.List;
  5import java.util.concurrent.CopyOnWriteArrayList;
  6
  7import eu.siacs.conversations.crypto.PgpEngine;
  8import eu.siacs.conversations.xml.Element;
  9import eu.siacs.conversations.xmpp.jid.InvalidJidException;
 10import eu.siacs.conversations.xmpp.jid.Jid;
 11import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
 12import android.annotation.SuppressLint;
 13
 14@SuppressLint("DefaultLocale")
 15public class MucOptions {
 16	public static final int ERROR_NO_ERROR = 0;
 17	public static final int ERROR_NICK_IN_USE = 1;
 18	public static final int ERROR_UNKNOWN = 2;
 19	public static final int ERROR_PASSWORD_REQUIRED = 3;
 20	public static final int ERROR_BANNED = 4;
 21	public static final int ERROR_MEMBERS_ONLY = 5;
 22
 23	public static final int KICKED_FROM_ROOM = 9;
 24
 25	public static final String STATUS_CODE_SELF_PRESENCE = "110";
 26	public static final String STATUS_CODE_BANNED = "301";
 27	public static final String STATUS_CODE_CHANGED_NICK = "303";
 28	public static final String STATUS_CODE_KICKED = "307";
 29	public static final String STATUS_CODE_LOST_MEMBERSHIP = "321";
 30
 31	private interface OnEventListener {
 32		public void onSuccess();
 33		public void onFailure();
 34	}
 35
 36	public interface OnRenameListener extends OnEventListener {
 37
 38	}
 39
 40	public interface OnJoinListener extends OnEventListener {
 41
 42	}
 43
 44	public class User {
 45		public static final int ROLE_MODERATOR = 3;
 46		public static final int ROLE_NONE = 0;
 47		public static final int ROLE_PARTICIPANT = 2;
 48		public static final int ROLE_VISITOR = 1;
 49		public static final int AFFILIATION_ADMIN = 4;
 50		public static final int AFFILIATION_OWNER = 3;
 51		public static final int AFFILIATION_MEMBER = 2;
 52		public static final int AFFILIATION_OUTCAST = 1;
 53		public static final int AFFILIATION_NONE = 0;
 54
 55		private int role;
 56		private int affiliation;
 57		private String name;
 58		private Jid jid;
 59		private long pgpKeyId = 0;
 60
 61		public String getName() {
 62			return name;
 63		}
 64
 65		public void setName(String user) {
 66			this.name = user;
 67		}
 68
 69		public void setJid(Jid jid) {
 70			this.jid = jid;
 71		}
 72
 73		public Jid getJid() {
 74			return this.jid;
 75		}
 76
 77		public int getRole() {
 78			return this.role;
 79		}
 80
 81		public void setRole(String role) {
 82			role = role.toLowerCase();
 83            switch (role) {
 84                case "moderator":
 85                    this.role = ROLE_MODERATOR;
 86                    break;
 87                case "participant":
 88                    this.role = ROLE_PARTICIPANT;
 89                    break;
 90                case "visitor":
 91                    this.role = ROLE_VISITOR;
 92                    break;
 93                default:
 94                    this.role = ROLE_NONE;
 95                    break;
 96            }
 97		}
 98
 99		public int getAffiliation() {
100			return this.affiliation;
101		}
102
103		public void setAffiliation(String affiliation) {
104			if (affiliation.equalsIgnoreCase("admin")) {
105				this.affiliation = AFFILIATION_ADMIN;
106			} else if (affiliation.equalsIgnoreCase("owner")) {
107				this.affiliation = AFFILIATION_OWNER;
108			} else if (affiliation.equalsIgnoreCase("member")) {
109				this.affiliation = AFFILIATION_MEMBER;
110			} else if (affiliation.equalsIgnoreCase("outcast")) {
111				this.affiliation = AFFILIATION_OUTCAST;
112			} else {
113				this.affiliation = AFFILIATION_NONE;
114			}
115		}
116
117		public void setPgpKeyId(long id) {
118			this.pgpKeyId = id;
119		}
120
121		public long getPgpKeyId() {
122			return this.pgpKeyId;
123		}
124
125		public Contact getContact() {
126			return account.getRoster().getContactFromRoster(getJid());
127		}
128	}
129
130	private Account account;
131	private List<User> users = new CopyOnWriteArrayList<>();
132	private Conversation conversation;
133	private boolean isOnline = false;
134	private int error = ERROR_UNKNOWN;
135	private OnRenameListener onRenameListener = null;
136	private OnJoinListener onJoinListener = null;
137	private User self = new User();
138	private String subject = null;
139	private String password = null;
140	private boolean mNickChangingInProgress = false;
141
142	public MucOptions(Conversation conversation) {
143		this.account = conversation.getAccount();
144		this.conversation = conversation;
145	}
146
147	public void deleteUser(String name) {
148		for (int i = 0; i < users.size(); ++i) {
149			if (users.get(i).getName().equals(name)) {
150				users.remove(i);
151				return;
152			}
153		}
154	}
155
156	public void addUser(User user) {
157		for (int i = 0; i < users.size(); ++i) {
158			if (users.get(i).getName().equals(user.getName())) {
159				users.set(i, user);
160				return;
161			}
162		}
163		users.add(user);
164	}
165
166	public void processPacket(PresencePacket packet, PgpEngine pgp) {
167        final Jid from = packet.getFrom();
168		if (!from.isBareJid()) {
169			final String name = from.getResourcepart();
170			final String type = packet.getAttribute("type");
171			final Element x = packet.findChild("x","http://jabber.org/protocol/muc#user");
172			final List<String> codes = getStatusCodes(x);
173			if (type == null) {
174				User user = new User();
175				if (x != null) {
176					Element item = x.findChild("item");
177					if (item != null) {
178						user.setName(name);
179						user.setAffiliation(item.getAttribute("affiliation"));
180						user.setRole(item.getAttribute("role"));
181						user.setJid(item.getAttributeAsJid("jid"));
182						if (codes.contains(STATUS_CODE_SELF_PRESENCE)) {
183							this.isOnline = true;
184							this.error = ERROR_NO_ERROR;
185							self = user;
186							if (mNickChangingInProgress) {
187								onRenameListener.onSuccess();
188								mNickChangingInProgress = false;
189							} else if (this.onJoinListener != null) {
190								this.onJoinListener.onSuccess();
191								this.onJoinListener = null;
192							}
193						} else if (packet.getFrom().equals(this.conversation.getContactJid())) {
194							self = user;
195						} else {
196							addUser(user);
197						}
198						if (pgp != null) {
199							Element signed = packet.findChild("x", "jabber:x:signed");
200							if (signed != null) {
201								Element status = packet.findChild("status");
202								String msg;
203								if (status != null) {
204									msg = status.getContent();
205								} else {
206									msg = "";
207								}
208								user.setPgpKeyId(pgp.fetchKeyId(account, msg,
209										signed.getContent()));
210							}
211						}
212					}
213				}
214			} else if (type.equals("unavailable")) {
215				if (codes.contains(STATUS_CODE_SELF_PRESENCE) ||
216						packet.getFrom().equals(this.conversation.getContactJid())) {
217					if (codes.contains(STATUS_CODE_CHANGED_NICK)) {
218						this.mNickChangingInProgress = true;
219					} else if (codes.contains(STATUS_CODE_KICKED)) {
220						setError(KICKED_FROM_ROOM);
221					} else if (codes.contains(STATUS_CODE_BANNED)) {
222						setError(ERROR_BANNED);
223					} else if (codes.contains(STATUS_CODE_LOST_MEMBERSHIP)) {
224						setError(ERROR_MEMBERS_ONLY);
225					} else {
226						setError(ERROR_UNKNOWN);
227					}
228				} else {
229					deleteUser(name);
230				}
231			} else if (type.equals("error")) {
232				Element error = packet.findChild("error");
233				if (error != null && error.hasChild("conflict")) {
234					if (isOnline) {
235						if (onRenameListener != null) {
236							onRenameListener.onFailure();
237						}
238					} else {
239						setError(ERROR_NICK_IN_USE);
240					}
241				} else if (error != null && error.hasChild("not-authorized")) {
242					setError(ERROR_PASSWORD_REQUIRED);
243				} else if (error != null && error.hasChild("forbidden")) {
244					setError(ERROR_BANNED);
245				} else if (error != null && error.hasChild("registration-required")) {
246					setError(ERROR_MEMBERS_ONLY);
247				} else {
248					setError(ERROR_UNKNOWN);
249				}
250			}
251		}
252	}
253
254	private void setError(int error) {
255		this.isOnline = false;
256		this.error = error;
257		if (onJoinListener != null) {
258			onJoinListener.onFailure();
259			onJoinListener = null;
260		}
261	}
262
263	private List<String> getStatusCodes(Element x) {
264		List<String> codes = new ArrayList<String>();
265		if (x != null) {
266			for(Element child : x.getChildren()) {
267				if (child.getName().equals("status")) {
268					String code = child.getAttribute("code");
269					if (code!=null) {
270						codes.add(code);
271					}
272				}
273			}
274		}
275		return codes;
276	}
277
278	public List<User> getUsers() {
279		return this.users;
280	}
281
282	public String getProposedNick() {
283		if (conversation.getBookmark() != null
284				&& conversation.getBookmark().getNick() != null
285				&& !conversation.getBookmark().getNick().isEmpty()) {
286			return conversation.getBookmark().getNick();
287		} else if (!conversation.getContactJid().isBareJid()) {
288			return conversation.getContactJid().getResourcepart();
289		} else {
290			return account.getUsername();
291		}
292	}
293
294	public String getActualNick() {
295		if (this.self.getName() != null) {
296			return this.self.getName();
297		} else {
298			return this.getProposedNick();
299		}
300	}
301
302	public boolean online() {
303		return this.isOnline;
304	}
305
306	public int getError() {
307		return this.error;
308	}
309
310	public void setOnRenameListener(OnRenameListener listener) {
311		this.onRenameListener = listener;
312	}
313
314	public void setOnJoinListener(OnJoinListener listener) {
315		this.onJoinListener = listener;
316	}
317
318	public void setOffline() {
319		this.users.clear();
320		this.error = 0;
321		this.isOnline = false;
322	}
323
324	public User getSelf() {
325		return self;
326	}
327
328	public void setSubject(String content) {
329		this.subject = content;
330	}
331
332	public String getSubject() {
333		return this.subject;
334	}
335
336	public String createNameFromParticipants() {
337		if (users.size() >= 2) {
338			List<String> names = new ArrayList<String>();
339				for (User user : users) {
340					Contact contact = user.getContact();
341					if (contact != null && !contact.getDisplayName().isEmpty()) {
342						names.add(contact.getDisplayName().split("\\s+")[0]);
343					} else {
344						names.add(user.getName());
345					}
346				}
347			StringBuilder builder = new StringBuilder();
348			for (int i = 0; i < names.size(); ++i) {
349				builder.append(names.get(i));
350				if (i != names.size() - 1) {
351					builder.append(", ");
352				}
353			}
354			return builder.toString();
355		} else {
356			return null;
357		}
358	}
359
360	public long[] getPgpKeyIds() {
361		List<Long> ids = new ArrayList<>();
362		for (User user : getUsers()) {
363			if (user.getPgpKeyId() != 0) {
364				ids.add(user.getPgpKeyId());
365			}
366		}
367		long[] primitivLongArray = new long[ids.size()];
368		for (int i = 0; i < ids.size(); ++i) {
369			primitivLongArray[i] = ids.get(i);
370		}
371		return primitivLongArray;
372	}
373
374	public boolean pgpKeysInUse() {
375		for (User user : getUsers()) {
376			if (user.getPgpKeyId() != 0) {
377				return true;
378			}
379		}
380		return false;
381	}
382
383	public boolean everybodyHasKeys() {
384		for (User user : getUsers()) {
385			if (user.getPgpKeyId() == 0) {
386				return false;
387			}
388		}
389		return true;
390	}
391
392	public Jid createJoinJid(String nick) {
393        try {
394            return Jid.fromString(this.conversation.getContactJid().toBareJid().toString() + "/"+nick);
395        } catch (final InvalidJidException e) {
396            return null;
397        }
398    }
399
400	public Jid getTrueCounterpart(String counterpart) {
401		for (User user : this.getUsers()) {
402			if (user.getName().equals(counterpart)) {
403				return user.getJid();
404			}
405		}
406		return null;
407	}
408
409	public String getPassword() {
410		this.password = conversation.getAttribute(Conversation.ATTRIBUTE_MUC_PASSWORD);
411		if (this.password == null && conversation.getBookmark() != null
412				&& conversation.getBookmark().getPassword() != null) {
413			return conversation.getBookmark().getPassword();
414		} else {
415			return this.password;
416		}
417	}
418
419	public void setPassword(String password) {
420		if (conversation.getBookmark() != null) {
421			conversation.getBookmark().setPassword(password);
422		} else {
423			this.password = password;
424		}
425		conversation.setAttribute(Conversation.ATTRIBUTE_MUC_PASSWORD, password);
426	}
427
428	public Conversation getConversation() {
429		return this.conversation;
430	}
431}