conversations-classic/src/eu/siacs/conversations/entities/Conversation.java

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