756 lines
20 KiB
Java
756 lines
20 KiB
Java
package eu.siacs.conversations.entities;
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import android.content.ContentValues;
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import android.database.Cursor;
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import java.net.MalformedURLException;
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import java.net.URL;
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import java.util.Arrays;
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import eu.siacs.conversations.Config;
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import eu.siacs.conversations.crypto.axolotl.XmppAxolotlSession;
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import eu.siacs.conversations.utils.GeoHelper;
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import eu.siacs.conversations.utils.MimeUtils;
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import eu.siacs.conversations.utils.UIHelper;
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import eu.siacs.conversations.xmpp.jid.InvalidJidException;
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import eu.siacs.conversations.xmpp.jid.Jid;
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public class Message extends AbstractEntity {
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public static final String TABLENAME = "messages";
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public static final String MERGE_SEPARATOR = " \u200B\n\n";
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public static final int STATUS_RECEIVED = 0;
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public static final int STATUS_UNSEND = 1;
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public static final int STATUS_SEND = 2;
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public static final int STATUS_SEND_FAILED = 3;
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public static final int STATUS_WAITING = 5;
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public static final int STATUS_OFFERED = 6;
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public static final int STATUS_SEND_RECEIVED = 7;
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public static final int STATUS_SEND_DISPLAYED = 8;
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public static final int ENCRYPTION_NONE = 0;
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public static final int ENCRYPTION_PGP = 1;
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public static final int ENCRYPTION_OTR = 2;
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public static final int ENCRYPTION_DECRYPTED = 3;
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public static final int ENCRYPTION_DECRYPTION_FAILED = 4;
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public static final int ENCRYPTION_AXOLOTL = 5;
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public static final int TYPE_TEXT = 0;
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public static final int TYPE_IMAGE = 1;
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public static final int TYPE_FILE = 2;
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public static final int TYPE_STATUS = 3;
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public static final int TYPE_PRIVATE = 4;
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public static final String CONVERSATION = "conversationUuid";
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public static final String COUNTERPART = "counterpart";
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public static final String TRUE_COUNTERPART = "trueCounterpart";
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public static final String BODY = "body";
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public static final String TIME_SENT = "timeSent";
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public static final String ENCRYPTION = "encryption";
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public static final String STATUS = "status";
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public static final String TYPE = "type";
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public static final String CARBON = "carbon";
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public static final String REMOTE_MSG_ID = "remoteMsgId";
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public static final String SERVER_MSG_ID = "serverMsgId";
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public static final String RELATIVE_FILE_PATH = "relativeFilePath";
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public static final String FINGERPRINT = "axolotl_fingerprint";
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public static final String READ = "read";
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public static final String ME_COMMAND = "/me ";
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public boolean markable = false;
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protected String conversationUuid;
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protected Jid counterpart;
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protected Jid trueCounterpart;
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protected String body;
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protected String encryptedBody;
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protected long timeSent;
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protected int encryption;
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protected int status;
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protected int type;
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protected boolean carbon = false;
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protected String relativeFilePath;
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protected boolean read = true;
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protected String remoteMsgId = null;
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protected String serverMsgId = null;
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protected Conversation conversation = null;
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protected Transferable transferable = null;
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private Message mNextMessage = null;
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private Message mPreviousMessage = null;
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private String axolotlFingerprint = null;
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private Message() {
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}
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public Message(Conversation conversation, String body, int encryption) {
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this(conversation, body, encryption, STATUS_UNSEND);
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}
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public Message(Conversation conversation, String body, int encryption, int status) {
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this(java.util.UUID.randomUUID().toString(),
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conversation.getUuid(),
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conversation.getJid() == null ? null : conversation.getJid().toBareJid(),
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null,
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body,
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System.currentTimeMillis(),
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encryption,
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status,
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TYPE_TEXT,
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false,
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null,
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null,
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null,
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null,
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true);
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this.conversation = conversation;
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}
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private Message(final String uuid, final String conversationUUid, final Jid counterpart,
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final Jid trueCounterpart, final String body, final long timeSent,
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final int encryption, final int status, final int type, final boolean carbon,
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final String remoteMsgId, final String relativeFilePath,
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final String serverMsgId, final String fingerprint, final boolean read) {
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this.uuid = uuid;
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this.conversationUuid = conversationUUid;
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this.counterpart = counterpart;
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this.trueCounterpart = trueCounterpart;
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this.body = body;
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this.timeSent = timeSent;
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this.encryption = encryption;
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this.status = status;
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this.type = type;
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this.carbon = carbon;
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this.remoteMsgId = remoteMsgId;
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this.relativeFilePath = relativeFilePath;
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this.serverMsgId = serverMsgId;
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this.axolotlFingerprint = fingerprint;
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this.read = read;
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}
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public static Message fromCursor(Cursor cursor) {
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Jid jid;
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try {
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String value = cursor.getString(cursor.getColumnIndex(COUNTERPART));
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if (value != null) {
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jid = Jid.fromString(value, true);
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} else {
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jid = null;
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}
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} catch (InvalidJidException e) {
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jid = null;
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}
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Jid trueCounterpart;
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try {
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String value = cursor.getString(cursor.getColumnIndex(TRUE_COUNTERPART));
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if (value != null) {
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trueCounterpart = Jid.fromString(value, true);
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} else {
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trueCounterpart = null;
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}
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} catch (InvalidJidException e) {
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trueCounterpart = null;
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}
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return new Message(cursor.getString(cursor.getColumnIndex(UUID)),
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cursor.getString(cursor.getColumnIndex(CONVERSATION)),
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jid,
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trueCounterpart,
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cursor.getString(cursor.getColumnIndex(BODY)),
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cursor.getLong(cursor.getColumnIndex(TIME_SENT)),
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cursor.getInt(cursor.getColumnIndex(ENCRYPTION)),
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cursor.getInt(cursor.getColumnIndex(STATUS)),
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cursor.getInt(cursor.getColumnIndex(TYPE)),
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cursor.getInt(cursor.getColumnIndex(CARBON))>0,
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cursor.getString(cursor.getColumnIndex(REMOTE_MSG_ID)),
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cursor.getString(cursor.getColumnIndex(RELATIVE_FILE_PATH)),
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cursor.getString(cursor.getColumnIndex(SERVER_MSG_ID)),
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cursor.getString(cursor.getColumnIndex(FINGERPRINT)),
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cursor.getInt(cursor.getColumnIndex(READ)) > 0);
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}
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public static Message createStatusMessage(Conversation conversation, String body) {
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final Message message = new Message();
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message.setType(Message.TYPE_STATUS);
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message.setConversation(conversation);
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message.setBody(body);
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return message;
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}
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@Override
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public ContentValues getContentValues() {
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ContentValues values = new ContentValues();
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values.put(UUID, uuid);
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values.put(CONVERSATION, conversationUuid);
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if (counterpart == null) {
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values.putNull(COUNTERPART);
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} else {
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values.put(COUNTERPART, counterpart.toString());
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}
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if (trueCounterpart == null) {
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values.putNull(TRUE_COUNTERPART);
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} else {
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values.put(TRUE_COUNTERPART, trueCounterpart.toString());
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}
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values.put(BODY, body);
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values.put(TIME_SENT, timeSent);
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values.put(ENCRYPTION, encryption);
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values.put(STATUS, status);
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values.put(TYPE, type);
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values.put(CARBON, carbon ? 1 : 0);
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values.put(REMOTE_MSG_ID, remoteMsgId);
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values.put(RELATIVE_FILE_PATH, relativeFilePath);
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values.put(SERVER_MSG_ID, serverMsgId);
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values.put(FINGERPRINT, axolotlFingerprint);
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values.put(READ,read);
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return values;
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}
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public String getConversationUuid() {
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return conversationUuid;
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}
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public Conversation getConversation() {
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return this.conversation;
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}
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public void setConversation(Conversation conv) {
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this.conversation = conv;
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}
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public Jid getCounterpart() {
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return counterpart;
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}
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public void setCounterpart(final Jid counterpart) {
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this.counterpart = counterpart;
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}
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public Contact getContact() {
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if (this.conversation.getMode() == Conversation.MODE_SINGLE) {
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return this.conversation.getContact();
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} else {
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if (this.trueCounterpart == null) {
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return null;
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} else {
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return this.conversation.getAccount().getRoster()
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.getContactFromRoster(this.trueCounterpart);
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}
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}
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}
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public String getBody() {
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return body;
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}
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public void setBody(String body) {
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this.body = body;
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}
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public long getTimeSent() {
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return timeSent;
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}
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public int getEncryption() {
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return encryption;
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}
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public void setEncryption(int encryption) {
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this.encryption = encryption;
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}
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public int getStatus() {
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return status;
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}
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public void setStatus(int status) {
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this.status = status;
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}
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public String getRelativeFilePath() {
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return this.relativeFilePath;
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}
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public void setRelativeFilePath(String path) {
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this.relativeFilePath = path;
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}
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public String getRemoteMsgId() {
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return this.remoteMsgId;
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}
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public void setRemoteMsgId(String id) {
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this.remoteMsgId = id;
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}
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public String getServerMsgId() {
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return this.serverMsgId;
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}
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public void setServerMsgId(String id) {
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this.serverMsgId = id;
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}
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public boolean isRead() {
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return this.read;
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}
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public void markRead() {
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this.read = true;
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}
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public void markUnread() {
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this.read = false;
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}
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public void setTime(long time) {
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this.timeSent = time;
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}
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public String getEncryptedBody() {
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return this.encryptedBody;
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}
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public void setEncryptedBody(String body) {
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this.encryptedBody = body;
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}
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public int getType() {
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return this.type;
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}
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public void setType(int type) {
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this.type = type;
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}
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public boolean isCarbon() {
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return carbon;
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}
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public void setCarbon(boolean carbon) {
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this.carbon = carbon;
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}
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public void setTrueCounterpart(Jid trueCounterpart) {
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this.trueCounterpart = trueCounterpart;
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}
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public Transferable getTransferable() {
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return this.transferable;
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}
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public void setTransferable(Transferable transferable) {
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this.transferable = transferable;
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}
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public boolean equals(Message message) {
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if (this.serverMsgId != null && message.getServerMsgId() != null) {
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return this.serverMsgId.equals(message.getServerMsgId());
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} else if (this.body == null || this.counterpart == null) {
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return false;
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} else {
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String body, otherBody;
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if (this.hasFileOnRemoteHost()) {
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body = getFileParams().url.toString();
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otherBody = message.body == null ? null : message.body.trim();
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} else {
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body = this.body;
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otherBody = message.body;
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}
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if (message.getRemoteMsgId() != null) {
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return (message.getRemoteMsgId().equals(this.remoteMsgId) || message.getRemoteMsgId().equals(this.uuid))
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&& this.counterpart.equals(message.getCounterpart())
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&& (body.equals(otherBody)
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||(message.getEncryption() == Message.ENCRYPTION_PGP
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&& message.getRemoteMsgId().matches("[0-9a-f]{8}-[0-9a-f]{4}-4[0-9]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}"))) ;
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} else {
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return this.remoteMsgId == null
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&& this.counterpart.equals(message.getCounterpart())
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&& body.equals(otherBody)
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&& Math.abs(this.getTimeSent() - message.getTimeSent()) < Config.MESSAGE_MERGE_WINDOW * 1000;
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}
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}
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}
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public Message next() {
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synchronized (this.conversation.messages) {
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if (this.mNextMessage == null) {
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int index = this.conversation.messages.indexOf(this);
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if (index < 0 || index >= this.conversation.messages.size() - 1) {
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this.mNextMessage = null;
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} else {
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this.mNextMessage = this.conversation.messages.get(index + 1);
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}
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}
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return this.mNextMessage;
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}
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}
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public Message prev() {
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synchronized (this.conversation.messages) {
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if (this.mPreviousMessage == null) {
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int index = this.conversation.messages.indexOf(this);
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if (index <= 0 || index > this.conversation.messages.size()) {
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this.mPreviousMessage = null;
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} else {
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this.mPreviousMessage = this.conversation.messages.get(index - 1);
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}
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}
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return this.mPreviousMessage;
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}
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}
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public boolean mergeable(final Message message) {
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return message != null &&
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(message.getType() == Message.TYPE_TEXT &&
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this.getTransferable() == null &&
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message.getTransferable() == null &&
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message.getEncryption() != Message.ENCRYPTION_PGP &&
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this.getType() == message.getType() &&
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//this.getStatus() == message.getStatus() &&
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isStatusMergeable(this.getStatus(), message.getStatus()) &&
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this.getEncryption() == message.getEncryption() &&
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this.getCounterpart() != null &&
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this.getCounterpart().equals(message.getCounterpart()) &&
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(message.getTimeSent() - this.getTimeSent()) <= (Config.MESSAGE_MERGE_WINDOW * 1000) &&
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!GeoHelper.isGeoUri(message.getBody()) &&
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!GeoHelper.isGeoUri(this.body) &&
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message.treatAsDownloadable() == Decision.NEVER &&
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this.treatAsDownloadable() == Decision.NEVER &&
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!message.getBody().startsWith(ME_COMMAND) &&
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!this.getBody().startsWith(ME_COMMAND) &&
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!this.bodyIsHeart() &&
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!message.bodyIsHeart() &&
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this.isTrusted() == message.isTrusted()
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);
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}
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private static boolean isStatusMergeable(int a, int b) {
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return a == b || (
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(a == Message.STATUS_SEND_RECEIVED && b == Message.STATUS_UNSEND)
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|| (a == Message.STATUS_SEND_RECEIVED && b == Message.STATUS_SEND)
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|| (a == Message.STATUS_UNSEND && b == Message.STATUS_SEND)
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|| (a == Message.STATUS_UNSEND && b == Message.STATUS_SEND_RECEIVED)
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|| (a == Message.STATUS_SEND && b == Message.STATUS_UNSEND)
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|| (a == Message.STATUS_SEND && b == Message.STATUS_SEND_RECEIVED)
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);
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}
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public String getMergedBody() {
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StringBuilder body = new StringBuilder(this.body.trim());
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Message current = this;
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while(current.mergeable(current.next())) {
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current = current.next();
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body.append(MERGE_SEPARATOR);
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body.append(current.getBody().trim());
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}
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return body.toString();
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}
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public boolean hasMeCommand() {
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return getMergedBody().startsWith(ME_COMMAND);
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}
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public int getMergedStatus() {
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int status = this.status;
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Message current = this;
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while(current.mergeable(current.next())) {
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current = current.next();
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status = current.status;
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}
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return status;
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}
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public long getMergedTimeSent() {
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long time = this.timeSent;
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Message current = this;
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while(current.mergeable(current.next())) {
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current = current.next();
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time = current.timeSent;
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}
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return time;
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}
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public boolean wasMergedIntoPrevious() {
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Message prev = this.prev();
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return prev != null && prev.mergeable(this);
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}
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public boolean trusted() {
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Contact contact = this.getContact();
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return (status > STATUS_RECEIVED || (contact != null && contact.trusted()));
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}
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public boolean fixCounterpart() {
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Presences presences = conversation.getContact().getPresences();
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if (counterpart != null && presences.has(counterpart.getResourcepart())) {
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return true;
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} else if (presences.size() >= 1) {
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try {
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counterpart = Jid.fromParts(conversation.getJid().getLocalpart(),
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conversation.getJid().getDomainpart(),
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presences.asStringArray()[0]);
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return true;
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} catch (InvalidJidException e) {
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counterpart = null;
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return false;
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}
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} else {
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counterpart = null;
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return false;
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}
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}
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public enum Decision {
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MUST,
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SHOULD,
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NEVER,
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}
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private static String extractRelevantExtension(URL url) {
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String path = url.getPath();
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return extractRelevantExtension(path);
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}
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private static String extractRelevantExtension(String path) {
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if (path == null || path.isEmpty()) {
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return null;
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}
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String filename = path.substring(path.lastIndexOf('/') + 1).toLowerCase();
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int dotPosition = filename.lastIndexOf(".");
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if (dotPosition != -1) {
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String extension = filename.substring(dotPosition + 1);
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// we want the real file extension, not the crypto one
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if (Arrays.asList(Transferable.VALID_CRYPTO_EXTENSIONS).contains(extension)) {
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return extractRelevantExtension(filename.substring(0,dotPosition));
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} else {
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return extension;
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}
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}
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return null;
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}
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public String getMimeType() {
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if (relativeFilePath != null) {
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int start = relativeFilePath.lastIndexOf('.') + 1;
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if (start < relativeFilePath.length()) {
|
|
return MimeUtils.guessMimeTypeFromExtension(relativeFilePath.substring(start));
|
|
} else {
|
|
return null;
|
|
}
|
|
} else {
|
|
try {
|
|
return MimeUtils.guessMimeTypeFromExtension(extractRelevantExtension(new URL(body.trim())));
|
|
} catch (MalformedURLException e) {
|
|
return null;
|
|
}
|
|
}
|
|
}
|
|
|
|
public Decision treatAsDownloadable() {
|
|
if (body.trim().contains(" ")) {
|
|
return Decision.NEVER;
|
|
}
|
|
try {
|
|
URL url = new URL(body);
|
|
if (!url.getProtocol().equalsIgnoreCase("http") && !url.getProtocol().equalsIgnoreCase("https")) {
|
|
return Decision.NEVER;
|
|
}
|
|
String extension = extractRelevantExtension(url);
|
|
if (extension == null) {
|
|
return Decision.NEVER;
|
|
}
|
|
String ref = url.getRef();
|
|
boolean encrypted = ref != null && ref.matches("([A-Fa-f0-9]{2}){48}");
|
|
|
|
if (encrypted) {
|
|
if (MimeUtils.guessMimeTypeFromExtension(extension) != null) {
|
|
return Decision.MUST;
|
|
} else {
|
|
return Decision.NEVER;
|
|
}
|
|
} else if (Arrays.asList(Transferable.VALID_IMAGE_EXTENSIONS).contains(extension)
|
|
|| Arrays.asList(Transferable.WELL_KNOWN_EXTENSIONS).contains(extension)) {
|
|
return Decision.SHOULD;
|
|
} else {
|
|
return Decision.NEVER;
|
|
}
|
|
|
|
} catch (MalformedURLException e) {
|
|
return Decision.NEVER;
|
|
}
|
|
}
|
|
|
|
public boolean bodyIsHeart() {
|
|
return body != null && UIHelper.HEARTS.contains(body.trim());
|
|
}
|
|
|
|
public FileParams getFileParams() {
|
|
FileParams params = getLegacyFileParams();
|
|
if (params != null) {
|
|
return params;
|
|
}
|
|
params = new FileParams();
|
|
if (this.transferable != null) {
|
|
params.size = this.transferable.getFileSize();
|
|
}
|
|
if (body == null) {
|
|
return params;
|
|
}
|
|
String parts[] = body.split("\\|");
|
|
switch (parts.length) {
|
|
case 1:
|
|
try {
|
|
params.size = Long.parseLong(parts[0]);
|
|
} catch (NumberFormatException e) {
|
|
try {
|
|
params.url = new URL(parts[0]);
|
|
} catch (MalformedURLException e1) {
|
|
params.url = null;
|
|
}
|
|
}
|
|
break;
|
|
case 2:
|
|
case 4:
|
|
try {
|
|
params.url = new URL(parts[0]);
|
|
} catch (MalformedURLException e1) {
|
|
params.url = null;
|
|
}
|
|
try {
|
|
params.size = Long.parseLong(parts[1]);
|
|
} catch (NumberFormatException e) {
|
|
params.size = 0;
|
|
}
|
|
try {
|
|
params.width = Integer.parseInt(parts[2]);
|
|
} catch (NumberFormatException | ArrayIndexOutOfBoundsException e) {
|
|
params.width = 0;
|
|
}
|
|
try {
|
|
params.height = Integer.parseInt(parts[3]);
|
|
} catch (NumberFormatException | ArrayIndexOutOfBoundsException e) {
|
|
params.height = 0;
|
|
}
|
|
break;
|
|
case 3:
|
|
try {
|
|
params.size = Long.parseLong(parts[0]);
|
|
} catch (NumberFormatException e) {
|
|
params.size = 0;
|
|
}
|
|
try {
|
|
params.width = Integer.parseInt(parts[1]);
|
|
} catch (NumberFormatException e) {
|
|
params.width = 0;
|
|
}
|
|
try {
|
|
params.height = Integer.parseInt(parts[2]);
|
|
} catch (NumberFormatException e) {
|
|
params.height = 0;
|
|
}
|
|
break;
|
|
}
|
|
return params;
|
|
}
|
|
|
|
public FileParams getLegacyFileParams() {
|
|
FileParams params = new FileParams();
|
|
if (body == null) {
|
|
return params;
|
|
}
|
|
String parts[] = body.split(",");
|
|
if (parts.length == 3) {
|
|
try {
|
|
params.size = Long.parseLong(parts[0]);
|
|
} catch (NumberFormatException e) {
|
|
return null;
|
|
}
|
|
try {
|
|
params.width = Integer.parseInt(parts[1]);
|
|
} catch (NumberFormatException e) {
|
|
return null;
|
|
}
|
|
try {
|
|
params.height = Integer.parseInt(parts[2]);
|
|
} catch (NumberFormatException e) {
|
|
return null;
|
|
}
|
|
return params;
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public void untie() {
|
|
this.mNextMessage = null;
|
|
this.mPreviousMessage = null;
|
|
}
|
|
|
|
public boolean isFileOrImage() {
|
|
return type == TYPE_FILE || type == TYPE_IMAGE;
|
|
}
|
|
|
|
public boolean hasFileOnRemoteHost() {
|
|
return isFileOrImage() && getFileParams().url != null;
|
|
}
|
|
|
|
public boolean needsUploading() {
|
|
return isFileOrImage() && getFileParams().url == null;
|
|
}
|
|
|
|
public class FileParams {
|
|
public URL url;
|
|
public long size = 0;
|
|
public int width = 0;
|
|
public int height = 0;
|
|
}
|
|
|
|
public void setAxolotlFingerprint(String fingerprint) {
|
|
this.axolotlFingerprint = fingerprint;
|
|
}
|
|
|
|
public String getAxolotlFingerprint() {
|
|
return axolotlFingerprint;
|
|
}
|
|
|
|
public boolean isTrusted() {
|
|
XmppAxolotlSession.Trust t = conversation.getAccount().getAxolotlService().getFingerprintTrust(axolotlFingerprint);
|
|
return t != null && t.trusted();
|
|
}
|
|
|
|
private int getPreviousEncryption() {
|
|
for (Message iterator = this.prev(); iterator != null; iterator = iterator.prev()){
|
|
if( iterator.isCarbon() || iterator.getStatus() == STATUS_RECEIVED ) {
|
|
continue;
|
|
}
|
|
return iterator.getEncryption();
|
|
}
|
|
return ENCRYPTION_NONE;
|
|
}
|
|
|
|
private int getNextEncryption() {
|
|
for (Message iterator = this.next(); iterator != null; iterator = iterator.next()){
|
|
if( iterator.isCarbon() || iterator.getStatus() == STATUS_RECEIVED ) {
|
|
continue;
|
|
}
|
|
return iterator.getEncryption();
|
|
}
|
|
return conversation.getNextEncryption();
|
|
}
|
|
|
|
public boolean isValidInSession() {
|
|
int pastEncryption = this.getPreviousEncryption();
|
|
int futureEncryption = this.getNextEncryption();
|
|
|
|
boolean inUnencryptedSession = pastEncryption == ENCRYPTION_NONE
|
|
|| futureEncryption == ENCRYPTION_NONE
|
|
|| pastEncryption != futureEncryption;
|
|
|
|
return inUnencryptedSession || this.getEncryption() == pastEncryption;
|
|
}
|
|
}
|