From b0780224b5bdd68d74ef514e64e14ce9d37d7b90 Mon Sep 17 00:00:00 2001 From: steckbrief Date: Sat, 5 May 2018 20:28:04 +0200 Subject: introduces new message state model --- .../conversationsplus/crypto/otr/OtrUtil.java | 39 ++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 src/main/java/de/thedevstack/conversationsplus/crypto/otr/OtrUtil.java (limited to 'src/main/java/de/thedevstack/conversationsplus/crypto/otr/OtrUtil.java') diff --git a/src/main/java/de/thedevstack/conversationsplus/crypto/otr/OtrUtil.java b/src/main/java/de/thedevstack/conversationsplus/crypto/otr/OtrUtil.java new file mode 100644 index 00000000..97075455 --- /dev/null +++ b/src/main/java/de/thedevstack/conversationsplus/crypto/otr/OtrUtil.java @@ -0,0 +1,39 @@ +package de.thedevstack.conversationsplus.crypto.otr; + +import net.java.otr4j.session.SessionID; +import net.java.otr4j.session.SessionImpl; + +import de.thedevstack.conversationsplus.entities.Account; +import de.thedevstack.conversationsplus.entities.Conversation; +import de.thedevstack.conversationsplus.xmpp.Forwarded; +import de.thedevstack.conversationsplus.xmpp.jid.Jid; +import de.thedevstack.conversationsplus.xmpp.stanzas.MessagePacket; + +/** + */ +public class OtrUtil { + public static boolean isOtrSessionActive(Conversation conversation) { + return null != conversation && null != conversation.getOtrSession(); + } + + public static boolean isCounterpartOfActiveOtrSession(Conversation conversation, Jid counterpart) { + SessionImpl otrSession = (null != conversation) ? conversation.getOtrSession() : null; + SessionID sessionID = (null != otrSession) ? otrSession.getSessionID() : null; + String userID = (null != sessionID) ? sessionID.getUserID() : null; + + return null != userID && null != counterpart && userID.equals(counterpart.getResourcepart()); + } + + public static boolean isValidOtrMessagePacket(MessagePacket messagePacket, Account account) { + Jid to = messagePacket.getTo(); + boolean isProperlyAddressed = (to != null) && (!to.isBareJid() || account.countPresences() <= 1); + boolean isNotTypeGroupChat = messagePacket.getType() != MessagePacket.TYPE_GROUPCHAT; + boolean isNotForwarded = !messagePacket.hasChildRecursive(Forwarded.FORWARDED); + + return isProperlyAddressed && isNotTypeGroupChat && isNotForwarded; + } + + public static boolean isOtrBody(String body) { + return body != null && body.startsWith("?OTR"); + } +} -- cgit v1.2.3