package de.gultsch.chat.services; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Date; import java.util.Hashtable; import java.util.List; import java.util.Set; import net.java.otr4j.OtrException; import net.java.otr4j.session.Session; import net.java.otr4j.session.SessionImpl; import net.java.otr4j.session.SessionStatus; import de.gultsch.chat.entities.Account; import de.gultsch.chat.entities.Contact; import de.gultsch.chat.entities.Conversation; import de.gultsch.chat.entities.Message; import de.gultsch.chat.entities.Presences; import de.gultsch.chat.persistance.DatabaseBackend; import de.gultsch.chat.persistance.OnPhoneContactsMerged; import de.gultsch.chat.ui.OnAccountListChangedListener; import de.gultsch.chat.ui.OnConversationListChangedListener; import de.gultsch.chat.ui.OnRosterFetchedListener; import de.gultsch.chat.utils.MessageParser; import de.gultsch.chat.utils.OnPhoneContactsLoadedListener; import de.gultsch.chat.utils.PhoneHelper; import de.gultsch.chat.utils.UIHelper; import de.gultsch.chat.xml.Element; import de.gultsch.chat.xmpp.IqPacket; import de.gultsch.chat.xmpp.MessagePacket; import de.gultsch.chat.xmpp.OnIqPacketReceived; import de.gultsch.chat.xmpp.OnMessagePacketReceived; import de.gultsch.chat.xmpp.OnPresencePacketReceived; import de.gultsch.chat.xmpp.OnStatusChanged; import de.gultsch.chat.xmpp.PresencePacket; import de.gultsch.chat.xmpp.XmppConnection; import android.app.NotificationManager; import android.app.Service; import android.content.Context; import android.content.Intent; import android.database.ContentObserver; import android.database.DatabaseUtils; import android.os.Binder; import android.os.Bundle; import android.os.IBinder; import android.os.PowerManager; import android.provider.ContactsContract; import android.util.Log; public class XmppConnectionService extends Service { protected static final String LOGTAG = "xmppService"; public DatabaseBackend databaseBackend; public long startDate; private List accounts; private List conversations = null; public OnConversationListChangedListener convChangedListener = null; private OnAccountListChangedListener accountChangedListener = null; private ContentObserver contactObserver = new ContentObserver(null) { @Override public void onChange(boolean selfChange) { super.onChange(selfChange); Log.d(LOGTAG, "contact list has changed"); mergePhoneContactsWithRoster(null); } }; private XmppConnectionService service = this; private final IBinder mBinder = new XmppConnectionBinder(); private OnMessagePacketReceived messageListener = new OnMessagePacketReceived() { @Override public void onMessagePacketReceived(Account account, MessagePacket packet) { Message message = null; boolean notify = false; if ((packet.getType() == MessagePacket.TYPE_CHAT)) { if (packet.hasChild("body") && (packet.getBody().startsWith("?OTR"))) { message = MessageParser.parseOtrChat(packet, account, service); notify = true; } else if (packet.hasChild("body")) { message = MessageParser.parsePlainTextChat(packet, account, service); notify = true; } else if (packet.hasChild("received") || (packet.hasChild("sent"))) { message = MessageParser.parseCarbonMessage(packet, account, service); } } else if (packet.getType() == MessagePacket.TYPE_GROUPCHAT) { message = MessageParser .parseGroupchat(packet, account, service); if (message != null) { notify = (message.getStatus() == Message.STATUS_RECIEVED); } } else { Log.d(LOGTAG, "unparsed message " + packet.toString()); } if (message == null) { return; } if (packet.hasChild("delay")) { try { String stamp = packet.findChild("delay").getAttribute( "stamp"); stamp = stamp.replace("Z", "+0000"); Date date = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ") .parse(stamp); message.setTime(date.getTime()); } catch (ParseException e) { Log.d(LOGTAG, "error trying to parse date" + e.getMessage()); } } if (notify) { message.markUnread(); } Conversation conversation = message.getConversation(); conversation.getMessages().add(message); databaseBackend.createMessage(message); if (convChangedListener != null) { convChangedListener.onConversationListChanged(); } else { if (notify) { NotificationManager mNotificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE); mNotificationManager.notify(2342, UIHelper .getUnreadMessageNotification( getApplicationContext(), conversation)); } } } }; private OnStatusChanged statusListener = new OnStatusChanged() { @Override public void onStatusChanged(Account account) { if (accountChangedListener != null) { accountChangedListener.onAccountListChangedListener(); } if (account.getStatus() == Account.STATUS_ONLINE) { databaseBackend.clearPresences(account); connectMultiModeConversations(account); List conversations = getConversations(); for (int i = 0; i < conversations.size(); ++i) { if (conversations.get(i).getAccount() == account) { sendUnsendMessages(conversations.get(i)); } } if (convChangedListener != null) { convChangedListener.onConversationListChanged(); } } } }; private OnPresencePacketReceived presenceListener = new OnPresencePacketReceived() { @Override public void onPresencePacketReceived(Account account, PresencePacket packet) { String[] fromParts = packet.getAttribute("from").split("/"); Contact contact = findContact(account, fromParts[0]); if (contact == null) { // most likely muc, self or roster not synced // Log.d(LOGTAG,"got presence for non contact "+packet.toString()); return; } String type = packet.getAttribute("type"); if (type == null) { Element show = packet.findChild("show"); if (show == null) { contact.updatePresence(fromParts[1], Presences.ONLINE); } else if (show.getContent().equals("away")) { contact.updatePresence(fromParts[1], Presences.AWAY); } else if (show.getContent().equals("xa")) { contact.updatePresence(fromParts[1], Presences.XA); } else if (show.getContent().equals("chat")) { contact.updatePresence(fromParts[1], Presences.CHAT); } else if (show.getContent().equals("dnd")) { contact.updatePresence(fromParts[1], Presences.DND); } databaseBackend.updateContact(contact); } else if (type.equals("unavailable")) { if (fromParts.length != 2) { // Log.d(LOGTAG,"received presence with no resource "+packet.toString()); } else { contact.removePresence(fromParts[1]); databaseBackend.updateContact(contact); } } replaceContactInConversation(contact); } }; private OnIqPacketReceived unknownIqListener = new OnIqPacketReceived() { @Override public void onIqPacketReceived(Account account, IqPacket packet) { if (packet.hasChild("query")) { Element query = packet.findChild("query"); String xmlns = query.getAttribute("xmlns"); if ((xmlns != null) && (xmlns.equals("jabber:iq:roster"))) { processRosterItems(account, query); mergePhoneContactsWithRoster(null); } } } }; private void processRosterItems(Account account, Element elements) { for (Element item : elements.getChildren()) { if (item.getName().equals("item")) { String jid = item.getAttribute("jid"); String subscription = item.getAttribute("subscription"); Contact contact = databaseBackend.findContact(account, jid); if (contact == null) { String name = item.getAttribute("name"); if (name == null) { name = jid.split("@")[0]; } contact = new Contact(account, name, jid, null); contact.setSubscription(subscription); databaseBackend.createContact(contact); } else { if (subscription.equals("remove")) { databaseBackend.deleteContact(contact); } else { contact.setSubscription(subscription); databaseBackend.updateContact(contact); replaceContactInConversation(contact); } } } } } private void replaceContactInConversation(Contact contact) { List conversations = getConversations(); for (int i = 0; i < conversations.size(); ++i) { if ((conversations.get(i).getContact() != null) && (conversations.get(i).getContact().equals(contact))) { conversations.get(i).setContact(contact); break; } } } public class XmppConnectionBinder extends Binder { public XmppConnectionService getService() { return XmppConnectionService.this; } } @Override public int onStartCommand(Intent intent, int flags, int startId) { for (Account account : accounts) { if (account.getXmppConnection() == null) { if (!account.isOptionSet(Account.OPTION_DISABLED)) { account.setXmppConnection(this.createConnection(account)); } } } return START_STICKY; } @Override public void onCreate() { databaseBackend = DatabaseBackend.getInstance(getApplicationContext()); this.accounts = databaseBackend.getAccounts(); getContentResolver().registerContentObserver( ContactsContract.Contacts.CONTENT_URI, true, contactObserver); } @Override public void onDestroy() { super.onDestroy(); for (Account account : accounts) { if (account.getXmppConnection() != null) { disconnect(account); } } } public XmppConnection createConnection(Account account) { PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); XmppConnection connection = new XmppConnection(account, pm); connection.setOnMessagePacketReceivedListener(this.messageListener); connection.setOnStatusChangedListener(this.statusListener); connection.setOnPresencePacketReceivedListener(this.presenceListener); connection .setOnUnregisteredIqPacketReceivedListener(this.unknownIqListener); Thread thread = new Thread(connection); thread.start(); return connection; } public void sendMessage(Account account, Message message, String presence) { Conversation conv = message.getConversation(); boolean saveInDb = false; boolean addToConversation = false; if (account.getStatus() == Account.STATUS_ONLINE) { MessagePacket packet; if (message.getEncryption() == Message.ENCRYPTION_OTR) { if (!conv.hasValidOtrSession()) { // starting otr session. messages will be send later conv.startOtrSession(getApplicationContext(), presence); } else if (conv.getOtrSession().getSessionStatus() == SessionStatus.ENCRYPTED) { // otr session aleary exists, creating message packet // accordingly packet = prepareMessagePacket(account, message, conv.getOtrSession()); account.getXmppConnection().sendMessagePacket(packet); message.setStatus(Message.STATUS_SEND); } saveInDb = true; addToConversation = true; } else { // don't encrypt if (message.getConversation().getMode() == Conversation.MODE_SINGLE) { message.setStatus(Message.STATUS_SEND); saveInDb = true; addToConversation = true; } packet = prepareMessagePacket(account, message, null); account.getXmppConnection().sendMessagePacket(packet); } } else { // account is offline saveInDb = true; addToConversation = true; } if (saveInDb) { databaseBackend.createMessage(message); } if (addToConversation) { conv.getMessages().add(message); if (convChangedListener != null) { convChangedListener.onConversationListChanged(); } } } private void sendUnsendMessages(Conversation conversation) { for (int i = 0; i < conversation.getMessages().size(); ++i) { if (conversation.getMessages().get(i).getStatus() == Message.STATUS_UNSEND) { Message message = conversation.getMessages().get(i); MessagePacket packet = prepareMessagePacket( conversation.getAccount(), message, null); conversation.getAccount().getXmppConnection() .sendMessagePacket(packet); message.setStatus(Message.STATUS_SEND); if (conversation.getMode() == Conversation.MODE_SINGLE) { databaseBackend.updateMessage(message); } else { databaseBackend.deleteMessage(message); conversation.getMessages().remove(i); i--; } } } } public MessagePacket prepareMessagePacket(Account account, Message message, Session otrSession) { MessagePacket packet = new MessagePacket(); if (message.getConversation().getMode() == Conversation.MODE_SINGLE) { packet.setType(MessagePacket.TYPE_CHAT); if (otrSession != null) { try { packet.setBody(otrSession.transformSending(message .getBody())); } catch (OtrException e) { Log.d(LOGTAG, account.getJid() + ": could not encrypt message to " + message.getCounterpart()); } Element privateMarker = new Element("private"); privateMarker.setAttribute("xmlns", "urn:xmpp:carbons:2"); packet.addChild(privateMarker); packet.setTo(otrSession.getSessionID().getAccountID() + "/" + otrSession.getSessionID().getUserID()); packet.setFrom(account.getFullJid()); } else { packet.setBody(message.getBody()); packet.setTo(message.getCounterpart()); packet.setFrom(account.getJid()); } } else if (message.getConversation().getMode() == Conversation.MODE_MULTI) { packet.setType(MessagePacket.TYPE_GROUPCHAT); packet.setBody(message.getBody()); packet.setTo(message.getCounterpart()); packet.setFrom(account.getJid()); } return packet; } public void getRoster(Account account, final OnRosterFetchedListener listener) { List contacts = databaseBackend.getContacts(account); for (int i = 0; i < contacts.size(); ++i) { contacts.get(i).setAccount(account); } if (listener != null) { listener.onRosterFetched(contacts); } } public void updateRoster(final Account account, final OnRosterFetchedListener listener) { IqPacket iqPacket = new IqPacket(IqPacket.TYPE_GET); Element query = new Element("query"); query.setAttribute("xmlns", "jabber:iq:roster"); query.setAttribute("ver", account.getRosterVersion()); iqPacket.addChild(query); account.getXmppConnection().sendIqPacket(iqPacket, new OnIqPacketReceived() { @Override public void onIqPacketReceived(final Account account, IqPacket packet) { Element roster = packet.findChild("query"); if (roster != null) { String version = roster.getAttribute("ver"); processRosterItems(account, roster); if (version!=null) { account.setRosterVersion(version); databaseBackend.updateAccount(account); } else { StringBuilder mWhere = new StringBuilder(); mWhere.append("jid NOT IN("); List items = roster.getChildren(); for(int i = 0; i < items.size(); ++i) { mWhere.append("\""); mWhere.append(DatabaseUtils.sqlEscapeString(items.get(i).getAttribute("jid"))); if (i != items.size() - 1) { mWhere.append("\","); } else { mWhere.append("\""); } } mWhere.append(") and accountUuid = \""); mWhere.append(account.getUuid()); mWhere.append("\""); List contactsToDelete = databaseBackend.getContats(mWhere.toString()); for(Contact contact : contactsToDelete) { databaseBackend.deleteContact(contact); } } mergePhoneContactsWithRoster(new OnPhoneContactsMerged() { @Override public void phoneContactsMerged() { if (listener != null) { getRoster(account, listener); } } }); } else { if (listener != null) { getRoster(account, listener); } } } }); } public void mergePhoneContactsWithRoster(final OnPhoneContactsMerged listener) { PhoneHelper.loadPhoneContacts(getApplicationContext(), new OnPhoneContactsLoadedListener() { @Override public void onPhoneContactsLoaded( Hashtable phoneContacts) { List contacts = databaseBackend .getContacts(null); for (int i = 0; i < contacts.size(); ++i) { Contact contact = contacts.get(i); if (phoneContacts.containsKey(contact.getJid())) { Bundle phoneContact = phoneContacts.get(contact .getJid()); String systemAccount = phoneContact .getInt("phoneid") + "#" + phoneContact.getString("lookup"); contact.setSystemAccount(systemAccount); contact.setPhotoUri(phoneContact .getString("photouri")); contact.setDisplayName(phoneContact .getString("displayname")); databaseBackend.updateContact(contact); } else { if ((contact.getSystemAccount() != null) || (contact.getProfilePhoto() != null)) { contact.setSystemAccount(null); contact.setPhotoUri(null); databaseBackend.updateContact(contact); } } } if (listener!=null) { listener.phoneContactsMerged(); } } }); } public void addConversation(Conversation conversation) { databaseBackend.createConversation(conversation); } public List getConversations() { if (this.conversations == null) { Hashtable accountLookupTable = new Hashtable(); for (Account account : this.accounts) { accountLookupTable.put(account.getUuid(), account); } this.conversations = databaseBackend .getConversations(Conversation.STATUS_AVAILABLE); for (Conversation conv : this.conversations) { Account account = accountLookupTable.get(conv.getAccountUuid()); conv.setAccount(account); conv.setContact(findContact(account, conv.getContactJid())); conv.setMessages(databaseBackend.getMessages(conv, 50)); } } return this.conversations; } public List getAccounts() { return this.accounts; } public Contact findContact(Account account, String jid) { return databaseBackend.findContact(account, jid); } public Conversation findOrCreateConversation(Account account, String jid, boolean muc) { for (Conversation conv : this.getConversations()) { if ((conv.getAccount().equals(account)) && (conv.getContactJid().equals(jid))) { return conv; } } Conversation conversation = databaseBackend.findConversation(account, jid); if (conversation != null) { conversation.setStatus(Conversation.STATUS_AVAILABLE); conversation.setAccount(account); if (muc) { conversation.setMode(Conversation.MODE_MULTI); if (account.getStatus() == Account.STATUS_ONLINE) { joinMuc(conversation); } } else { conversation.setMode(Conversation.MODE_SINGLE); } this.databaseBackend.updateConversation(conversation); conversation.setContact(findContact(account, conversation.getContactJid())); } else { String conversationName; Contact contact = findContact(account, jid); if (contact != null) { conversationName = contact.getDisplayName(); } else { conversationName = jid.split("@")[0]; } if (muc) { conversation = new Conversation(conversationName, account, jid, Conversation.MODE_MULTI); if (account.getStatus() == Account.STATUS_ONLINE) { joinMuc(conversation); } } else { conversation = new Conversation(conversationName, account, jid, Conversation.MODE_SINGLE); } conversation.setContact(contact); this.databaseBackend.createConversation(conversation); } this.conversations.add(conversation); if (this.convChangedListener != null) { this.convChangedListener.onConversationListChanged(); } return conversation; } public void archiveConversation(Conversation conversation) { if (conversation.getMode() == Conversation.MODE_MULTI) { leaveMuc(conversation); } else { try { conversation.endOtrIfNeeded(); } catch (OtrException e) { Log.d(LOGTAG, "error ending otr session for " + conversation.getName()); } } this.databaseBackend.updateConversation(conversation); this.conversations.remove(conversation); if (this.convChangedListener != null) { this.convChangedListener.onConversationListChanged(); } } public int getConversationCount() { return this.databaseBackend.getConversationCount(); } public void createAccount(Account account) { databaseBackend.createAccount(account); this.accounts.add(account); account.setXmppConnection(this.createConnection(account)); if (accountChangedListener != null) accountChangedListener.onAccountListChangedListener(); } public void updateAccount(Account account) { databaseBackend.updateAccount(account); if (account.getXmppConnection() != null) { disconnect(account); } if (!account.isOptionSet(Account.OPTION_DISABLED)) { account.setXmppConnection(this.createConnection(account)); } if (accountChangedListener != null) accountChangedListener.onAccountListChangedListener(); } public void deleteAccount(Account account) { Log.d(LOGTAG, "called delete account"); if (account.getXmppConnection() != null) { this.disconnect(account); } databaseBackend.deleteAccount(account); this.accounts.remove(account); if (accountChangedListener != null) accountChangedListener.onAccountListChangedListener(); } public void setOnConversationListChangedListener( OnConversationListChangedListener listener) { this.convChangedListener = listener; } public void removeOnConversationListChangedListener() { this.convChangedListener = null; } public void setOnAccountListChangedListener( OnAccountListChangedListener listener) { this.accountChangedListener = listener; } public void removeOnAccountListChangedListener() { this.accountChangedListener = null; } public void connectMultiModeConversations(Account account) { List conversations = getConversations(); for (int i = 0; i < conversations.size(); i++) { Conversation conversation = conversations.get(i); if ((conversation.getMode() == Conversation.MODE_MULTI) && (conversation.getAccount() == account)) { joinMuc(conversation); } } } public void joinMuc(Conversation conversation) { String muc = conversation.getContactJid(); PresencePacket packet = new PresencePacket(); packet.setAttribute("to", muc + "/" + conversation.getAccount().getUsername()); Element x = new Element("x"); x.setAttribute("xmlns", "http://jabber.org/protocol/muc"); if (conversation.getMessages().size() != 0) { Element history = new Element("history"); long lastMsgTime = conversation.getLatestMessage().getTimeSent(); long diff = (System.currentTimeMillis() - lastMsgTime) / 1000 - 1; history.setAttribute("seconds", diff + ""); x.addChild(history); } packet.addChild(x); conversation.getAccount().getXmppConnection() .sendPresencePacket(packet); } public void leaveMuc(Conversation conversation) { } public void disconnect(Account account) { List conversations = getConversations(); for (int i = 0; i < conversations.size(); i++) { Conversation conversation = conversations.get(i); if (conversation.getAccount() == account) { if (conversation.getMode() == Conversation.MODE_MULTI) { leaveMuc(conversation); } else { try { conversation.endOtrIfNeeded(); } catch (OtrException e) { Log.d(LOGTAG, "error ending otr session for " + conversation.getName()); } } } } account.getXmppConnection().disconnect(); Log.d(LOGTAG, "disconnected account: " + account.getJid()); account.setXmppConnection(null); } @Override public IBinder onBind(Intent intent) { return mBinder; } public void updateContact(Contact contact) { databaseBackend.updateContact(contact); } }