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package eu.siacs.conversations.entities;
import android.content.ContentValues;
import android.database.Cursor;
import net.java.otr4j.OtrException;
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 org.json.JSONException;
import org.json.JSONObject;
import java.security.interfaces.DSAPublicKey;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Iterator;
import java.util.List;
import eu.siacs.conversations.Config;
import eu.siacs.conversations.xmpp.chatstate.ChatState;
import eu.siacs.conversations.xmpp.jid.InvalidJidException;
import eu.siacs.conversations.xmpp.jid.Jid;
public class Conversation extends AbstractEntity implements Blockable {
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";
public static final String ATTRIBUTES = "attributes";
public static final String ATTRIBUTE_NEXT_ENCRYPTION = "next_encryption";
public static final String ATTRIBUTE_MUC_PASSWORD = "muc_password";
public static final String ATTRIBUTE_MUTED_TILL = "muted_till";
public static final String ATTRIBUTE_LAST_MESSAGE_TRANSMITTED = "last_message_transmitted";
private String name;
private String contactUuid;
private String accountUuid;
private Jid contactJid;
private int status;
private long created;
private int mode;
private JSONObject attributes = new JSONObject();
private Jid nextCounterpart;
protected final ArrayList<Message> messages = new ArrayList<>();
protected Account account = null;
private transient SessionImpl otrSession;
private transient String otrFingerprint = null;
private Smp mSmp = new Smp();
private String nextMessage;
private transient MucOptions mucOptions = null;
private byte[] symmetricKey;
private Bookmark bookmark;
private boolean messagesLeftOnServer = true;
private ChatState mOutgoingChatState = Config.DEFAULT_CHATSTATE;
private ChatState mIncomingChatState = Config.DEFAULT_CHATSTATE;
private String mLastReceivedOtrMessageId = null;
public boolean hasMessagesLeftOnServer() {
return messagesLeftOnServer;
}
public void setHasMessagesLeftOnServer(boolean value) {
this.messagesLeftOnServer = value;
}
public Message findUnsentMessageWithUuid(String uuid) {
synchronized(this.messages) {
for (final Message message : this.messages) {
final int s = message.getStatus();
if ((s == Message.STATUS_UNSEND || s == Message.STATUS_WAITING) && message.getUuid().equals(uuid)) {
return message;
}
}
}
return null;
}
public void findWaitingMessages(OnMessageFound onMessageFound) {
synchronized (this.messages) {
for(Message message : this.messages) {
if (message.getStatus() == Message.STATUS_WAITING) {
onMessageFound.onMessageFound(message);
}
}
}
}
public void findMessagesWithFiles(final OnMessageFound onMessageFound) {
synchronized (this.messages) {
for (final Message message : this.messages) {
if ((message.getType() == Message.TYPE_IMAGE || message.getType() == Message.TYPE_FILE)
&& message.getEncryption() != Message.ENCRYPTION_PGP) {
onMessageFound.onMessageFound(message);
}
}
}
}
public Message findMessageWithFileAndUuid(final String uuid) {
synchronized (this.messages) {
for (final Message message : this.messages) {
if ((message.getType() == Message.TYPE_IMAGE || message.getType() == Message.TYPE_FILE)
&& message.getEncryption() != Message.ENCRYPTION_PGP
&& message.getUuid().equals(uuid)) {
return message;
}
}
}
return null;
}
public void clearMessages() {
synchronized (this.messages) {
this.messages.clear();
}
}
public boolean setIncomingChatState(ChatState state) {
if (this.mIncomingChatState == state) {
return false;
}
this.mIncomingChatState = state;
return true;
}
public ChatState getIncomingChatState() {
return this.mIncomingChatState;
}
public boolean setOutgoingChatState(ChatState state) {
if (mode == MODE_MULTI) {
return false;
}
if (this.mOutgoingChatState != state) {
this.mOutgoingChatState = state;
return true;
} else {
return false;
}
}
public ChatState getOutgoingChatState() {
return this.mOutgoingChatState;
}
public void trim() {
synchronized (this.messages) {
final int size = messages.size();
final int maxsize = Config.PAGE_SIZE * Config.MAX_NUM_PAGES;
if (size > maxsize) {
this.messages.subList(0, size - maxsize).clear();
}
}
}
public void findUnsentMessagesWithEncryption(int encryptionType, OnMessageFound onMessageFound) {
synchronized (this.messages) {
for (Message message : this.messages) {
if ((message.getStatus() == Message.STATUS_UNSEND || message.getStatus() == Message.STATUS_WAITING)
&& (message.getEncryption() == encryptionType)) {
onMessageFound.onMessageFound(message);
}
}
}
}
public void findUnsentTextMessages(OnMessageFound onMessageFound) {
synchronized (this.messages) {
for (Message message : this.messages) {
if (message.getType() != Message.TYPE_IMAGE
&& message.getStatus() == Message.STATUS_UNSEND) {
onMessageFound.onMessageFound(message);
}
}
}
}
public Message findSentMessageWithUuid(String uuid) {
synchronized (this.messages) {
for (Message message : this.messages) {
if (uuid.equals(message.getUuid())
|| (message.getStatus() >= Message.STATUS_SEND && uuid
.equals(message.getRemoteMsgId()))) {
return message;
}
}
}
return null;
}
public void populateWithMessages(final List<Message> messages) {
synchronized (this.messages) {
messages.clear();
messages.addAll(this.messages);
}
for(Iterator<Message> iterator = messages.iterator(); iterator.hasNext();) {
if (iterator.next().wasMergedIntoPrevious()) {
iterator.remove();
}
}
}
@Override
public boolean isBlocked() {
return getContact().isBlocked();
}
@Override
public boolean isDomainBlocked() {
return getContact().isDomainBlocked();
}
@Override
public Jid getBlockedJid() {
return getContact().getBlockedJid();
}
public String getLastReceivedOtrMessageId() {
return this.mLastReceivedOtrMessageId;
}
public void setLastReceivedOtrMessageId(String id) {
this.mLastReceivedOtrMessageId = id;
}
public int countMessages() {
synchronized (this.messages) {
return this.messages.size();
}
}
public interface OnMessageFound {
public void onMessageFound(final Message message);
}
public Conversation(final String name, final Account account, final Jid contactJid,
final int mode) {
this(java.util.UUID.randomUUID().toString(), name, null, account
.getUuid(), contactJid, System.currentTimeMillis(),
STATUS_AVAILABLE, mode, "");
this.account = account;
}
public Conversation(final String uuid, final String name, final String contactUuid,
final String accountUuid, final Jid contactJid, final long created, final int status,
final int mode, final String attributes) {
this.uuid = uuid;
this.name = name;
this.contactUuid = contactUuid;
this.accountUuid = accountUuid;
this.contactJid = contactJid;
this.created = created;
this.status = status;
this.mode = mode;
try {
this.attributes = new JSONObject(attributes == null ? "" : attributes);
} catch (JSONException e) {
this.attributes = new JSONObject();
}
}
public boolean isRead() {
return (this.messages.size() == 0) || this.messages.get(this.messages.size() - 1).isRead();
}
public void markRead() {
for (int i = this.messages.size() - 1; i >= 0; --i) {
if (messages.get(i).isRead()) {
break;
}
this.messages.get(i).markRead();
}
}
public Message getLatestMarkableMessage() {
for (int i = this.messages.size() - 1; i >= 0; --i) {
if (this.messages.get(i).getStatus() <= Message.STATUS_RECEIVED
&& this.messages.get(i).markable) {
if (this.messages.get(i).isRead()) {
return null;
} else {
return this.messages.get(i);
}
}
}
return null;
}
public Message getLatestMessage() {
if (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 String getName() {
if (getMode() == MODE_MULTI) {
if (getMucOptions().getSubject() != null) {
return getMucOptions().getSubject();
} else if (bookmark != null && bookmark.getName() != null) {
return bookmark.getName();
} else {
String generatedName = getMucOptions().createNameFromParticipants();
if (generatedName != null) {
return generatedName;
} else {
return getJid().getLocalpart();
}
}
} else {
return this.getContact().getDisplayName();
}
}
public String getParticipants() {
if (getMode() == MODE_MULTI) {
String generatedName = getMucOptions().createNameFromParticipants();
if (generatedName != null) {
return generatedName;
} else {
return getJid().getLocalpart();
}
} else {
return null;
}
}
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(final Account account) {
this.account = account;
}
@Override
public Jid getJid() {
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.toString());
values.put(CREATED, created);
values.put(STATUS, status);
values.put(MODE, mode);
values.put(ATTRIBUTES, attributes.toString());
return values;
}
public static Conversation fromCursor(Cursor cursor) {
Jid jid;
try {
jid = Jid.fromString(cursor.getString(cursor.getColumnIndex(CONTACTJID)), true);
} catch (final InvalidJidException e) {
// Borked DB..
jid = null;
}
return new Conversation(cursor.getString(cursor.getColumnIndex(UUID)),
cursor.getString(cursor.getColumnIndex(NAME)),
cursor.getString(cursor.getColumnIndex(CONTACT)),
cursor.getString(cursor.getColumnIndex(ACCOUNT)),
jid,
cursor.getLong(cursor.getColumnIndex(CREATED)),
cursor.getInt(cursor.getColumnIndex(STATUS)),
cursor.getInt(cursor.getColumnIndex(MODE)),
cursor.getString(cursor.getColumnIndex(ATTRIBUTES)));
}
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(String presence, boolean sendStart) {
if (this.otrSession != null) {
return this.otrSession;
} else {
final SessionID sessionId = new SessionID(this.getJid().toBareJid().toString(),
presence,
"xmpp");
this.otrSession = new SessionImpl(sessionId, getAccount().getOtrService());
try {
if (sendStart) {
this.otrSession.startSession();
return this.otrSession;
}
return this.otrSession;
} catch (OtrException e) {
return null;
}
}
}
public SessionImpl getOtrSession() {
return this.otrSession;
}
public void resetOtrSession() {
this.otrFingerprint = null;
this.otrSession = null;
this.mSmp.hint = null;
this.mSmp.secret = null;
this.mSmp.status = Smp.STATUS_NONE;
}
public Smp smp() {
return mSmp;
}
public void startOtrIfNeeded() {
if (this.otrSession != null
&& this.otrSession.getSessionStatus() != SessionStatus.ENCRYPTED) {
try {
this.otrSession.startSession();
} catch (OtrException e) {
this.resetOtrSession();
}
}
}
public boolean endOtrIfNeeded() {
if (this.otrSession != null) {
if (this.otrSession.getSessionStatus() == SessionStatus.ENCRYPTED) {
try {
this.otrSession.endSession();
this.resetOtrSession();
return true;
} catch (OtrException e) {
this.resetOtrSession();
return false;
}
} else {
this.resetOtrSession();
return false;
}
} else {
return false;
}
}
public boolean hasValidOtrSession() {
return this.otrSession != null;
}
public synchronized String getOtrFingerprint() {
if (this.otrFingerprint == null) {
try {
if (getOtrSession() == null || getOtrSession().getSessionStatus() != SessionStatus.ENCRYPTED) {
return null;
}
DSAPublicKey remotePubKey = (DSAPublicKey) getOtrSession().getRemotePublicKey();
this.otrFingerprint = getAccount().getOtrService().getFingerprint(remotePubKey);
} catch (final OtrCryptoException | UnsupportedOperationException ignored) {
return null;
}
}
return this.otrFingerprint;
}
public boolean verifyOtrFingerprint() {
final String fingerprint = getOtrFingerprint();
if (fingerprint != null) {
getContact().addOtrFingerprint(fingerprint);
return true;
} else {
return false;
}
}
public boolean isOtrFingerprintVerified() {
return getContact().getOtrFingerprints().contains(getOtrFingerprint());
}
/**
* short for is Private and Non-anonymous
*/
public boolean isPnNA() {
return mode == MODE_SINGLE || (getMucOptions().membersOnly() && getMucOptions().nonanonymous());
}
public synchronized MucOptions getMucOptions() {
if (this.mucOptions == null) {
this.mucOptions = new MucOptions(this);
}
return this.mucOptions;
}
public void resetMucOptions() {
this.mucOptions = null;
}
public void setContactJid(final Jid jid) {
this.contactJid = jid;
}
public void setNextCounterpart(Jid jid) {
this.nextCounterpart = jid;
}
public Jid getNextCounterpart() {
return this.nextCounterpart;
}
public int getLatestEncryption() {
int latestEncryption = this.getLatestMessage().getEncryption();
if ((latestEncryption == Message.ENCRYPTION_DECRYPTED)
|| (latestEncryption == Message.ENCRYPTION_DECRYPTION_FAILED)) {
return Message.ENCRYPTION_PGP;
} else {
return latestEncryption;
}
}
public int getNextEncryption(boolean force) {
int next = this.getIntAttribute(ATTRIBUTE_NEXT_ENCRYPTION, -1);
if (next == -1) {
int latest = this.getLatestEncryption();
if (latest == Message.ENCRYPTION_NONE) {
if (force && getMode() == MODE_SINGLE) {
return Message.ENCRYPTION_OTR;
} else if (getContact().getPresences().size() == 1) {
if (getContact().getOtrFingerprints().size() >= 1) {
return Message.ENCRYPTION_OTR;
} else {
return latest;
}
} else {
return latest;
}
} else {
return latest;
}
}
if (next == Message.ENCRYPTION_NONE && force
&& getMode() == MODE_SINGLE) {
return Message.ENCRYPTION_OTR;
} else {
return next;
}
}
public void setNextEncryption(int encryption) {
this.setAttribute(ATTRIBUTE_NEXT_ENCRYPTION, String.valueOf(encryption));
}
public String getNextMessage() {
if (this.nextMessage == null) {
return "";
} else {
return this.nextMessage;
}
}
public boolean smpRequested() {
return smp().status == Smp.STATUS_CONTACT_REQUESTED;
}
public void setNextMessage(String message) {
this.nextMessage = message;
}
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 boolean hasDuplicateMessage(Message message) {
synchronized (this.messages) {
for (int i = this.messages.size() - 1; i >= 0; --i) {
if (this.messages.get(i).equals(message)) {
return true;
}
}
}
return false;
}
public Message findSentMessageWithBody(String body) {
synchronized (this.messages) {
for (int i = this.messages.size() - 1; i >= 0; --i) {
Message message = this.messages.get(i);
if ((message.getStatus() == Message.STATUS_UNSEND || message.getStatus() == Message.STATUS_SEND) && message.getBody() != null && message.getBody().equals(body)) {
return message;
}
}
return null;
}
}
public boolean setLastMessageTransmitted(long value) {
long before = getLastMessageTransmitted();
if (value - before > 1000) {
this.setAttribute(ATTRIBUTE_LAST_MESSAGE_TRANSMITTED, String.valueOf(value));
return true;
} else {
return false;
}
}
public long getLastMessageTransmitted() {
long timestamp = getLongAttribute(ATTRIBUTE_LAST_MESSAGE_TRANSMITTED,0);
if (timestamp == 0) {
synchronized (this.messages) {
for(int i = this.messages.size() - 1; i >= 0; --i) {
Message message = this.messages.get(i);
if (message.getStatus() == Message.STATUS_RECEIVED) {
return message.getTimeSent();
}
}
}
}
return timestamp;
}
public void setMutedTill(long value) {
this.setAttribute(ATTRIBUTE_MUTED_TILL, String.valueOf(value));
}
public boolean isMuted() {
return System.currentTimeMillis() < this.getLongAttribute(ATTRIBUTE_MUTED_TILL, 0);
}
public boolean setAttribute(String key, String value) {
try {
this.attributes.put(key, value);
return true;
} catch (JSONException e) {
return false;
}
}
public String getAttribute(String key) {
try {
return this.attributes.getString(key);
} catch (JSONException e) {
return null;
}
}
public int getIntAttribute(String key, int defaultValue) {
String value = this.getAttribute(key);
if (value == null) {
return defaultValue;
} else {
try {
return Integer.parseInt(value);
} catch (NumberFormatException e) {
return defaultValue;
}
}
}
public long getLongAttribute(String key, long defaultValue) {
String value = this.getAttribute(key);
if (value == null) {
return defaultValue;
} else {
try {
return Long.parseLong(value);
} catch (NumberFormatException e) {
return defaultValue;
}
}
}
public void add(Message message) {
message.setConversation(this);
synchronized (this.messages) {
this.messages.add(message);
}
}
public void addAll(int index, List<Message> messages) {
synchronized (this.messages) {
this.messages.addAll(index, messages);
}
}
public void sort() {
synchronized (this.messages) {
Collections.sort(this.messages, new Comparator<Message>() {
@Override
public int compare(Message left, Message right) {
if (left.getTimeSent() < right.getTimeSent()) {
return -1;
} else if (left.getTimeSent() > right.getTimeSent()) {
return 1;
} else {
return 0;
}
}
});
for(Message message : this.messages) {
message.untie();
}
}
}
public int unreadCount() {
synchronized (this.messages) {
int count = 0;
for(int i = this.messages.size() - 1; i >= 0; --i) {
if (this.messages.get(i).isRead()) {
return count;
}
++count;
}
return count;
}
}
public class Smp {
public static final int STATUS_NONE = 0;
public static final int STATUS_CONTACT_REQUESTED = 1;
public static final int STATUS_WE_REQUESTED = 2;
public static final int STATUS_FAILED = 3;
public static final int STATUS_VERIFIED = 4;
public String secret = null;
public String hint = null;
public int status = 0;
}
}
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