package eu.siacs.conversations.generator; import java.text.SimpleDateFormat; import java.util.Date; import java.util.Locale; import java.util.TimeZone; import net.java.otr4j.OtrException; import net.java.otr4j.session.Session; import eu.siacs.conversations.entities.Account; import eu.siacs.conversations.entities.Conversation; import eu.siacs.conversations.entities.Message; import eu.siacs.conversations.xml.Element; import eu.siacs.conversations.xmpp.stanzas.MessagePacket; public class MessageGenerator { private MessagePacket preparePacket(Message message, boolean addDelay) { Conversation conversation = message.getConversation(); Account account = conversation.getAccount(); MessagePacket packet = new MessagePacket(); if (conversation.getMode() == Conversation.MODE_SINGLE) { packet.setTo(message.getCounterpart()); packet.setType(MessagePacket.TYPE_CHAT); } else { packet.setTo(message.getCounterpart().split("/")[0]); packet.setType(MessagePacket.TYPE_GROUPCHAT); } packet.setFrom(account.getFullJid()); packet.setId(message.getUuid()); if (addDelay) { addDelay(packet,message.getTimeSent()); } return packet; } private void addDelay(MessagePacket packet, long timestamp) { final SimpleDateFormat mDateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'",Locale.US); mDateFormat.setTimeZone(TimeZone.getTimeZone("UTC")); Element delay = packet.addChild("delay", "urn:xmpp:delay"); Date date = new Date(timestamp); delay.setAttribute("stamp", mDateFormat.format(date)); } public MessagePacket generateOtrChat(Message message) throws OtrException { return generateOtrChat(message, false); } public MessagePacket generateOtrChat(Message message, boolean addDelay) throws OtrException { Session otrSession = message.getConversation().getOtrSession(); if (otrSession==null) { throw new OtrException(null); } MessagePacket packet = preparePacket(message,addDelay); packet.addChild("private", "urn:xmpp:carbons:2"); packet.addChild("no-copy", "urn:xmpp:hints"); packet.setBody(otrSession.transformSending(message .getBody())); return packet; } public MessagePacket generateChat(Message message) { return generateChat(message, false); } public MessagePacket generateChat(Message message, boolean addDelay) { MessagePacket packet = preparePacket(message,addDelay); packet.setBody(message.getBody()); return packet; } public MessagePacket generatePgpChat(Message message) { return generatePgpChat(message, false); } public MessagePacket generatePgpChat(Message message, boolean addDelay) { MessagePacket packet = preparePacket(message,addDelay); packet.setBody("This is an XEP-0027 encryted message"); if (message.getEncryption() == Message.ENCRYPTION_DECRYPTED) { packet.addChild("x", "jabber:x:encrypted").setContent( message.getEncryptedBody()); } else if (message.getEncryption() == Message.ENCRYPTION_PGP) { packet.setBody(message.getBody()); } return packet; } }