package eu.siacs.conversations.entities; import java.security.interfaces.DSAPublicKey; import java.util.List; import java.util.concurrent.CopyOnWriteArrayList; import eu.siacs.conversations.utils.UIHelper; import net.java.otr4j.OtrException; import net.java.otr4j.crypto.OtrCryptoEngineImpl; import net.java.otr4j.crypto.OtrCryptoException; import net.java.otr4j.session.SessionID; import net.java.otr4j.session.SessionImpl; import net.java.otr4j.session.SessionStatus; import android.content.ContentValues; import android.content.Context; import android.database.Cursor; import android.graphics.Bitmap; public class Conversation extends AbstractEntity { public static final String TABLENAME = "conversations"; public static final int STATUS_AVAILABLE = 0; public static final int STATUS_ARCHIVED = 1; public static final int STATUS_DELETED = 2; public static final int MODE_MULTI = 1; public static final int MODE_SINGLE = 0; public static final String NAME = "name"; public static final String ACCOUNT = "accountUuid"; public static final String CONTACT = "contactUuid"; public static final String CONTACTJID = "contactJid"; public static final String STATUS = "status"; public static final String CREATED = "created"; public static final String MODE = "mode"; private String name; private String contactUuid; private String accountUuid; private String contactJid; private int status; private long created; private int mode; private String nextPresence; private transient CopyOnWriteArrayList messages = null; private transient Account account = null; private transient SessionImpl otrSession; private transient String otrFingerprint = null; private int nextMessageEncryption = -1; private String nextMessage; private transient MucOptions mucOptions = null; private transient String latestMarkableMessageId; private byte[] symmetricKey; private boolean otrSessionNeedsStarting = false; private Bookmark bookmark; public Conversation(String name, Account account, String contactJid, int mode) { this(java.util.UUID.randomUUID().toString(), name, null, account .getUuid(), contactJid, System.currentTimeMillis(), STATUS_AVAILABLE, mode); this.account = account; } public Conversation(String uuid, String name, String contactUuid, String accountUuid, String contactJid, long created, int status, int mode) { this.uuid = uuid; this.name = name; this.contactUuid = contactUuid; this.accountUuid = accountUuid; this.contactJid = contactJid; this.created = created; this.status = status; this.mode = mode; } public List getMessages() { if (messages == null) { this.messages = new CopyOnWriteArrayList(); // prevent null // pointer } // populate with Conversation (this) for (Message msg : messages) { msg.setConversation(this); } return messages; } public boolean isRead() { if ((this.messages == null) || (this.messages.size() == 0)) return true; return this.messages.get(this.messages.size() - 1).isRead(); } public void markRead() { if (this.messages == null) { return; } for (int i = this.messages.size() - 1; i >= 0; --i) { if (messages.get(i).isRead()) { break; } this.messages.get(i).markRead(); } } public String popLatestMarkableMessageId() { String id = this.latestMarkableMessageId; this.latestMarkableMessageId = null; return id; } public Message getLatestMessage() { if ((this.messages == null) || (this.messages.size() == 0)) { Message message = new Message(this, "", Message.ENCRYPTION_NONE); message.setTime(getCreated()); return message; } else { Message message = this.messages.get(this.messages.size() - 1); message.setConversation(this); return message; } } public void setMessages(CopyOnWriteArrayList msgs) { this.messages = msgs; } public String getName(boolean useSubject) { if ((getMode() == MODE_MULTI) && (getMucOptions().getSubject() != null) && useSubject) { return getMucOptions().getSubject(); } else if (getMode() == MODE_MULTI && bookmark != null && bookmark.getName() != null) { return bookmark.getName(); } else { return this.getContact().getDisplayName(); } } public String getProfilePhotoString() { return this.getContact().getProfilePhoto(); } public String getAccountUuid() { return this.accountUuid; } public Account getAccount() { return this.account; } public Contact getContact() { return this.account.getRoster().getContact(this.contactJid); } public void setAccount(Account account) { this.account = account; } public String getContactJid() { return this.contactJid; } public int getStatus() { return this.status; } public long getCreated() { return this.created; } public ContentValues getContentValues() { ContentValues values = new ContentValues(); values.put(UUID, uuid); values.put(NAME, name); values.put(CONTACT, contactUuid); values.put(ACCOUNT, accountUuid); values.put(CONTACTJID, contactJid); values.put(CREATED, created); values.put(STATUS, status); values.put(MODE, mode); return values; } public static Conversation fromCursor(Cursor cursor) { return new Conversation(cursor.getString(cursor.getColumnIndex(UUID)), cursor.getString(cursor.getColumnIndex(NAME)), cursor.getString(cursor.getColumnIndex(CONTACT)), cursor.getString(cursor.getColumnIndex(ACCOUNT)), cursor.getString(cursor.getColumnIndex(CONTACTJID)), cursor.getLong(cursor.getColumnIndex(CREATED)), cursor.getInt(cursor.getColumnIndex(STATUS)), cursor.getInt(cursor.getColumnIndex(MODE))); } public void setStatus(int status) { this.status = status; } public int getMode() { return this.mode; } public void setMode(int mode) { this.mode = mode; } public SessionImpl startOtrSession(Context context, String presence, boolean sendStart) { if (this.otrSession != null) { return this.otrSession; } else { SessionID sessionId = new SessionID(this.getContactJid(), presence, "xmpp"); this.otrSession = new SessionImpl(sessionId, getAccount() .getOtrEngine(context)); try { if (sendStart) { this.otrSession.startSession(); this.otrSessionNeedsStarting = false; return this.otrSession; } else { this.otrSessionNeedsStarting = true; } return this.otrSession; } catch (OtrException e) { return null; } } } public SessionImpl getOtrSession() { return this.otrSession; } public void resetOtrSession() { this.otrFingerprint = null; this.otrSessionNeedsStarting = false; this.otrSession = null; } public void startOtrIfNeeded() { if (this.otrSession != null && this.otrSessionNeedsStarting) { try { this.otrSession.startSession(); } catch (OtrException e) { this.resetOtrSession(); } } } public void endOtrIfNeeded() { if (this.otrSession != null) { if (this.otrSession.getSessionStatus() == SessionStatus.ENCRYPTED) { try { this.otrSession.endSession(); this.resetOtrSession(); } catch (OtrException e) { this.resetOtrSession(); } } else { this.resetOtrSession(); } } } public boolean hasValidOtrSession() { return this.otrSession != null; } public String getOtrFingerprint() { if (this.otrFingerprint == null) { try { if (getOtrSession() == null) { return ""; } DSAPublicKey remotePubKey = (DSAPublicKey) getOtrSession() .getRemotePublicKey(); StringBuilder builder = new StringBuilder( new OtrCryptoEngineImpl().getFingerprint(remotePubKey)); builder.insert(8, " "); builder.insert(17, " "); builder.insert(26, " "); builder.insert(35, " "); this.otrFingerprint = builder.toString(); } catch (OtrCryptoException e) { } } return this.otrFingerprint; } public synchronized MucOptions getMucOptions() { if (this.mucOptions == null) { this.mucOptions = new MucOptions(this.getAccount()); } this.mucOptions.setConversation(this); return this.mucOptions; } public void resetMucOptions() { this.mucOptions = null; } public void setContactJid(String jid) { this.contactJid = jid; } public void setNextPresence(String presence) { this.nextPresence = presence; } public String getNextPresence() { return this.nextPresence; } public int getLatestEncryption() { int latestEncryption = this.getLatestMessage().getEncryption(); if ((latestEncryption == Message.ENCRYPTION_DECRYPTED) || (latestEncryption == Message.ENCRYPTION_DECRYPTION_FAILED)) { return Message.ENCRYPTION_PGP; } else if (latestEncryption == Message.ENCRYPTION_NONE) { if (getContact().getPresences().size() == 1) { if (getContact().getOtrFingerprints().size() >= 1) { return Message.ENCRYPTION_OTR; } else { return latestEncryption; } } else { return latestEncryption; } } else { return latestEncryption; } } public int getNextEncryption() { if (this.nextMessageEncryption == -1) { return this.getLatestEncryption(); } return this.nextMessageEncryption; } public void setNextEncryption(int encryption) { this.nextMessageEncryption = encryption; } public String getNextMessage() { if (this.nextMessage == null) { return ""; } else { return this.nextMessage; } } public void setNextMessage(String message) { this.nextMessage = message; } public void setLatestMarkableMessageId(String id) { if (id != null) { this.latestMarkableMessageId = id; } } public void setSymmetricKey(byte[] key) { this.symmetricKey = key; } public byte[] getSymmetricKey() { return this.symmetricKey; } public void setBookmark(Bookmark bookmark) { this.bookmark = bookmark; this.bookmark.setConversation(this); } public void deregisterWithBookmark() { if (this.bookmark != null) { this.bookmark.setConversation(null); } } public Bookmark getBookmark() { return this.bookmark; } public Bitmap getImage(Context context, int size) { if (mode == MODE_SINGLE) { return getContact().getImage(size, context); } else { return UIHelper.getContactPicture(this, size, context, false); } } public boolean hasDuplicateMessage(Message message) { for (int i = this.getMessages().size() - 1; i >= 0; --i) { if (this.messages.get(i).equals(message)) { return true; } } return false; } }