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

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package eu.siacs.conversations.entities;
import android.content.ContentValues;
import android.database.Cursor;
import android.os.SystemClock;
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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 org.json.JSONException;
import org.json.JSONObject;
import java.security.interfaces.DSAPublicKey;
import java.util.ArrayList;
import java.util.List;
import eu.siacs.conversations.services.XmppConnectionService;
import eu.siacs.conversations.xmpp.jid.InvalidJidException;
import eu.siacs.conversations.xmpp.jid.Jid;
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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";
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";
private String name;
private String contactUuid;
private String accountUuid;
private Jid contactJid;
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private int status;
private long created;
private int mode;
private JSONObject attributes = new JSONObject();
private Jid nextCounterpart;
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protected ArrayList<Message> messages = new ArrayList<>();
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protected Account account = null;
private transient SessionImpl otrSession;
private transient String otrFingerprint = null;
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private Smp mSmp = new Smp();
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private String nextMessage;
private transient MucOptions mucOptions = null;
private byte[] symmetricKey;
private Bookmark bookmark;
public Conversation(final String name, final Account account, final Jid contactJid,
final int mode) {
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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) {
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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);
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} catch (JSONException e) {
this.attributes = new JSONObject();
}
}
public List<Message> getMessages() {
return messages;
}
public boolean isRead() {
return (this.messages == null) || (this.messages.size() == 0) || this.messages.get(this.messages.size() - 1).isRead();
}
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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 getLatestMarkableMessageId() {
if (this.messages == null) {
return null;
}
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).getRemoteMsgId();
}
}
}
return null;
}
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(ArrayList<Message> msgs) {
this.messages = msgs;
}
public String getName() {
if (getMode() == MODE_MULTI && getMucOptions().getSubject() != null) {
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 Jid getContactJid() {
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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());
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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)));
} catch (final InvalidJidException e) {
// Borked DB..
jid = null;
}
return new Conversation(cursor.getString(cursor.getColumnIndex(UUID)),
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cursor.getString(cursor.getColumnIndex(NAME)),
cursor.getString(cursor.getColumnIndex(CONTACT)),
cursor.getString(cursor.getColumnIndex(ACCOUNT)),
jid,
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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(XmppConnectionService service,
String presence, boolean sendStart) {
if (this.otrSession != null) {
return this.otrSession;
} else {
final SessionID sessionId = new SessionID(this.getContactJid().toBareJid().toString(),
presence,
"xmpp");
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this.otrSession = new SessionImpl(sessionId, getAccount()
.getOtrEngine(service));
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;
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this.mSmp.hint = null;
this.mSmp.secret = null;
this.mSmp.status = Smp.STATUS_NONE;
}
public Smp smp() {
return mSmp;
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}
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 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 (final OtrCryptoException ignored) {
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}
}
return this.otrFingerprint;
}
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public void verifyOtrFingerprint() {
getContact().addOtrFingerprint(getOtrFingerprint());
}
public boolean isOtrFingerprintVerified() {
return getContact().getOtrFingerprints().contains(getOtrFingerprint());
}
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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) {
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this.contactJid = jid;
}
public void setNextCounterpart(Jid jid) {
this.nextCounterpart = jid;
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}
public Jid getNextCounterpart() {
return this.nextCounterpart;
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}
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;
}
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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) {
for (int i = this.getMessages().size() - 1; i >= 0; --i) {
if (this.messages.get(i).equals(message)) {
return true;
}
}
return false;
}
public void setMutedTill(long value) {
this.setAttribute(ATTRIBUTE_MUTED_TILL, String.valueOf(value));
}
public boolean isMuted() {
return SystemClock.elapsedRealtime() < 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);
}
}
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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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}