package de.pixart.messenger.parser; import android.util.Log; import java.util.ArrayList; import java.util.List; import de.pixart.messenger.Config; import de.pixart.messenger.crypto.PgpEngine; import de.pixart.messenger.crypto.axolotl.AxolotlService; import de.pixart.messenger.entities.Account; import de.pixart.messenger.entities.Contact; import de.pixart.messenger.entities.Conversation; import de.pixart.messenger.entities.Message; import de.pixart.messenger.entities.MucOptions; import de.pixart.messenger.entities.Presence; import de.pixart.messenger.generator.IqGenerator; import de.pixart.messenger.generator.PresenceGenerator; import de.pixart.messenger.services.XmppConnectionService; import de.pixart.messenger.utils.Namespace; import de.pixart.messenger.utils.XmppUri; import de.pixart.messenger.xml.Element; import de.pixart.messenger.xmpp.InvalidJid; import de.pixart.messenger.xmpp.OnPresencePacketReceived; import de.pixart.messenger.xmpp.pep.Avatar; import de.pixart.messenger.xmpp.stanzas.PresencePacket; import rocks.xmpp.addr.Jid; public class PresenceParser extends AbstractParser implements OnPresencePacketReceived { public PresenceParser(XmppConnectionService service) { super(service); } public void parseConferencePresence(PresencePacket packet, Account account) { final Conversation conversation = packet.getFrom() == null ? null : mXmppConnectionService.find(account, packet.getFrom().asBareJid()); if (conversation != null) { final MucOptions mucOptions = conversation.getMucOptions(); boolean before = mucOptions.online(); int count = mucOptions.getUserCount(); final List tileUserBefore = mucOptions.getUsers(5); processConferencePresence(packet, conversation); final List tileUserAfter = mucOptions.getUsers(5); if (!tileUserAfter.equals(tileUserBefore)) { mXmppConnectionService.getAvatarService().clear(mucOptions); } if (before != mucOptions.online() || (mucOptions.online() && count != mucOptions.getUserCount())) { mXmppConnectionService.updateConversationUi(); } else if (mucOptions.online()) { mXmppConnectionService.updateMucRosterUi(); } } } private void processConferencePresence(PresencePacket packet, Conversation conversation) { MucOptions mucOptions = conversation.getMucOptions(); final Jid jid = conversation.getAccount().getJid(); final Jid from = packet.getFrom(); if (!from.isBareJid()) { final String type = packet.getAttribute("type"); final Element x = packet.findChild("x", "http://jabber.org/protocol/muc#user"); Avatar avatar = Avatar.parsePresence(packet.findChild("x", "vcard-temp:x:update")); final List codes = getStatusCodes(x); if (type == null) { if (x != null) { Element item = x.findChild("item"); if (item != null && !from.isBareJid()) { mucOptions.setError(MucOptions.Error.NONE); MucOptions.User user = parseItem(conversation, item, from); if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE) || (codes.contains(MucOptions.STATUS_CODE_ROOM_CREATED) && jid.equals(InvalidJid.getNullForInvalid(item.getAttributeAsJid("jid"))))) { if (mucOptions.setOnline()) { mXmppConnectionService.getAvatarService().clear(mucOptions); } if (mucOptions.setSelf(user)) { Log.d(Config.LOGTAG, "role or affiliation changed"); mXmppConnectionService.databaseBackend.updateConversation(conversation); } mXmppConnectionService.persistSelfNick(user); invokeRenameListener(mucOptions, true); } boolean isNew = mucOptions.updateUser(user); final AxolotlService axolotlService = conversation.getAccount().getAxolotlService(); Contact contact = user.getContact(); if (isNew && user.getRealJid() != null && mucOptions.isPrivateAndNonAnonymous() && (contact == null || !contact.mutualPresenceSubscription()) && axolotlService.hasEmptyDeviceList(user.getRealJid())) { axolotlService.fetchDeviceIds(user.getRealJid()); } if (codes.contains(MucOptions.STATUS_CODE_ROOM_CREATED) && mucOptions.autoPushConfiguration()) { Log.d(Config.LOGTAG, mucOptions.getAccount().getJid().asBareJid() + ": room '" + mucOptions.getConversation().getJid().asBareJid() + "' created. pushing default configuration"); mXmppConnectionService.pushConferenceConfiguration(mucOptions.getConversation(), IqGenerator.defaultRoomConfiguration(), null); } if (mXmppConnectionService.getPgpEngine() != null) { Element signed = packet.findChild("x", "jabber:x:signed"); if (signed != null) { Element status = packet.findChild("status"); String msg = status == null ? "" : status.getContent(); long keyId = mXmppConnectionService.getPgpEngine().fetchKeyId(mucOptions.getAccount(), msg, signed.getContent()); if (keyId != 0) { user.setPgpKeyId(keyId); } } } if (avatar != null) { avatar.owner = from; if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) { if (user.setAvatar(avatar)) { mXmppConnectionService.getAvatarService().clear(user); } if (user.getRealJid() != null) { Contact c = conversation.getAccount().getRoster().getContact(user.getRealJid()); if (c.setAvatar(avatar)) { mXmppConnectionService.syncRoster(conversation.getAccount()); mXmppConnectionService.getAvatarService().clear(c); mXmppConnectionService.updateRosterUi(); } } } else if (mXmppConnectionService.isDataSaverDisabled()) { mXmppConnectionService.fetchAvatar(mucOptions.getAccount(), avatar); } } } } } else if (type.equals("unavailable")) { final boolean fullJidMatches = from.equals(mucOptions.getSelf().getFullJid()); if (x.hasChild("destroy") && fullJidMatches) { Element destroy = x.findChild("destroy"); final Jid alternate = destroy == null ? null : InvalidJid.getNullForInvalid(destroy.getAttributeAsJid("jid")); mucOptions.setError(MucOptions.Error.DESTROYED); if (alternate != null) { Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": muc destroyed. alternate location " + alternate); } } else if (codes.contains(MucOptions.STATUS_CODE_SHUTDOWN) && fullJidMatches) { mucOptions.setError(MucOptions.Error.SHUTDOWN); } else if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE)) { if (codes.contains(MucOptions.STATUS_CODE_KICKED)) { mucOptions.setError(MucOptions.Error.KICKED); } else if (codes.contains(MucOptions.STATUS_CODE_BANNED)) { mucOptions.setError(MucOptions.Error.BANNED); } else if (codes.contains(MucOptions.STATUS_CODE_LOST_MEMBERSHIP)) { mucOptions.setError(MucOptions.Error.MEMBERS_ONLY); } else if (codes.contains(MucOptions.STATUS_CODE_AFFILIATION_CHANGE)) { mucOptions.setError(MucOptions.Error.MEMBERS_ONLY); } else if (codes.contains(MucOptions.STATUS_CODE_SHUTDOWN)) { mucOptions.setError(MucOptions.Error.SHUTDOWN); } else if (!codes.contains(MucOptions.STATUS_CODE_CHANGED_NICK)) { mucOptions.setError(MucOptions.Error.UNKNOWN); Log.d(Config.LOGTAG, "unknown error in conference: " + packet); } } else if (!from.isBareJid()) { Element item = x.findChild("item"); if (item != null) { mucOptions.updateUser(parseItem(conversation, item, from)); } MucOptions.User user = mucOptions.deleteUser(from); if (user != null) { mXmppConnectionService.getAvatarService().clear(user); } } } else if (type.equals("error")) { final Element error = packet.findChild("error"); if (error == null) { return; } if (error.hasChild("conflict")) { if (mucOptions.online()) { invokeRenameListener(mucOptions, false); } else { mucOptions.setError(MucOptions.Error.NICK_IN_USE); } } else if (error.hasChild("not-authorized")) { mucOptions.setError(MucOptions.Error.PASSWORD_REQUIRED); } else if (error.hasChild("forbidden")) { mucOptions.setError(MucOptions.Error.BANNED); } else if (error.hasChild("registration-required")) { mucOptions.setError(MucOptions.Error.MEMBERS_ONLY); } else if (error.hasChild("resource-constraint")) { mucOptions.setError(MucOptions.Error.RESOURCE_CONSTRAINT); } else if (error.hasChild("remote-server-timeout")) { mucOptions.setError(MucOptions.Error.REMOTE_SERVER_TIMEOUT); } else if (error.hasChild("gone")) { final String gone = error.findChildContent("gone"); final Jid alternate; if (gone != null) { final XmppUri xmppUri = new XmppUri(gone); if (xmppUri.isJidValid()) { alternate = xmppUri.getJid(); } else { alternate = null; } } else { alternate = null; } mucOptions.setError(MucOptions.Error.DESTROYED); if (alternate != null) { Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": muc destroyed. alternate location " + alternate); } } else { final String text = error.findChildContent("text"); if (text != null && text.contains("attribute 'to'")) { if (mucOptions.online()) { invokeRenameListener(mucOptions, false); } else { mucOptions.setError(MucOptions.Error.INVALID_NICK); } } else { mucOptions.setError(MucOptions.Error.UNKNOWN); Log.d(Config.LOGTAG, "unknown error in conference: " + packet); } } } } } private static void invokeRenameListener(final MucOptions options, boolean success) { if (options.onRenameListener != null) { if (success) { options.onRenameListener.onSuccess(); } else { options.onRenameListener.onFailure(); } options.onRenameListener = null; } } private static List getStatusCodes(Element x) { List codes = new ArrayList<>(); if (x != null) { for (Element child : x.getChildren()) { if (child.getName().equals("status")) { String code = child.getAttribute("code"); if (code != null) { codes.add(code); } } } } return codes; } private void parseContactPresence(final PresencePacket packet, final Account account) { final PresenceGenerator mPresenceGenerator = mXmppConnectionService.getPresenceGenerator(); final Jid from = packet.getFrom(); if (from == null || from.equals(account.getJid())) { return; } final String type = packet.getAttribute("type"); final Contact contact = account.getRoster().getContact(from); if (type == null) { final String resource = from.isBareJid() ? "" : from.getResource(); Avatar avatar = Avatar.parsePresence(packet.findChild("x", "vcard-temp:x:update")); if (avatar != null && (!contact.isSelf() || account.getAvatar() == null)) { avatar.owner = from.asBareJid(); if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) { if (avatar.owner.equals(account.getJid().asBareJid())) { account.setAvatar(avatar.getFilename()); mXmppConnectionService.databaseBackend.updateAccount(account); mXmppConnectionService.getAvatarService().clear(account); mXmppConnectionService.updateConversationUi(); mXmppConnectionService.updateAccountUi(); } else if (contact.setAvatar(avatar)) { mXmppConnectionService.syncRoster(account); mXmppConnectionService.getAvatarService().clear(contact); mXmppConnectionService.updateConversationUi(); mXmppConnectionService.updateRosterUi(); } } else if (mXmppConnectionService.isDataSaverDisabled()) { mXmppConnectionService.fetchAvatar(account, avatar); } } if (mXmppConnectionService.isMuc(account, from)) { return; } int sizeBefore = contact.getPresences().size(); final String show = packet.findChildContent("show"); final Element caps = packet.findChild("c", "http://jabber.org/protocol/caps"); final String message = packet.findChildContent("status"); final Presence presence = Presence.parse(show, caps, message); contact.updatePresence(resource, presence); if (presence.hasCaps()) { mXmppConnectionService.fetchCaps(account, from, presence); } final Element idle = packet.findChild("idle", Namespace.IDLE); if (idle != null) { try { final String since = idle.getAttribute("since"); contact.setLastseen(AbstractParser.parseTimestamp(since)); contact.flagInactive(); } catch (Throwable throwable) { if (contact.setLastseen(AbstractParser.parseTimestamp(packet))) { contact.flagActive(); } } } else { if (contact.setLastseen(AbstractParser.parseTimestamp(packet))) { contact.flagActive(); } } PgpEngine pgp = mXmppConnectionService.getPgpEngine(); Element x = packet.findChild("x", "jabber:x:signed"); if (pgp != null && x != null) { Element status = packet.findChild("status"); String msg = status != null ? status.getContent() : ""; if (contact.setPgpKeyId(pgp.fetchKeyId(account, msg, x.getContent()))) { mXmppConnectionService.syncRoster(account); } } boolean online = sizeBefore < contact.getPresences().size(); mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, online); } else if (type.equals("unavailable")) { if (contact.setLastseen(AbstractParser.parseTimestamp(packet, 0L, true))) { contact.flagInactive(); } if (from.isBareJid()) { contact.clearPresences(); } else { contact.removePresence(from.getResource()); } if (contact.getShownStatus() == Presence.Status.OFFLINE) { contact.flagInactive(); } mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, false); } else if (type.equals("subscribe")) { if (contact.setPresenceName(packet.findChildContent("nick", Namespace.NICK))) { mXmppConnectionService.getAvatarService().clear(contact); } if (contact.getOption(Contact.Options.PREEMPTIVE_GRANT)) { mXmppConnectionService.sendPresencePacket(account, mPresenceGenerator.sendPresenceUpdatesTo(contact)); } else { contact.setOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST); final Conversation conversation = mXmppConnectionService.findOrCreateConversation( account, contact.getJid().asBareJid(), false, false); final String statusMessage = packet.findChildContent("status"); if (statusMessage != null && !statusMessage.isEmpty() && conversation.countMessages() == 0) { conversation.add(new Message( conversation, statusMessage, Message.ENCRYPTION_NONE, Message.STATUS_RECEIVED )); } } } mXmppConnectionService.updateRosterUi(); } @Override public void onPresencePacketReceived(Account account, PresencePacket packet) { if (packet.hasChild("x", "http://jabber.org/protocol/muc#user")) { this.parseConferencePresence(packet, account); } else if (packet.hasChild("x", "http://jabber.org/protocol/muc")) { this.parseConferencePresence(packet, account); } else if ("error".equals(packet.getAttribute("type")) && mXmppConnectionService.isMuc(account, packet.getFrom())) { this.parseConferencePresence(packet, account); } else { this.parseContactPresence(packet, account); } } }