From 77619b55e47aafbe6b5a530b33ce8b6a77a615dd Mon Sep 17 00:00:00 2001
From: Andreas Straub <andreas.straub@rwth-aachen.de>
Date: Thu, 25 Jun 2015 16:58:24 +0200
Subject: Added PEP and message protocol layers

Can now fetch/retrieve from PEP, as well as encode/decode messages
---
 .../siacs/conversations/parser/MessageParser.java  | 46 +++++++++++++++++++---
 1 file changed, 40 insertions(+), 6 deletions(-)

(limited to 'src/main/java/eu/siacs/conversations/parser/MessageParser.java')

diff --git a/src/main/java/eu/siacs/conversations/parser/MessageParser.java b/src/main/java/eu/siacs/conversations/parser/MessageParser.java
index d46ff1950..bf4f3ad4b 100644
--- a/src/main/java/eu/siacs/conversations/parser/MessageParser.java
+++ b/src/main/java/eu/siacs/conversations/parser/MessageParser.java
@@ -6,7 +6,11 @@ import android.util.Pair;
 import net.java.otr4j.session.Session;
 import net.java.otr4j.session.SessionStatus;
 
+import java.util.List;
+
 import eu.siacs.conversations.Config;
+import eu.siacs.conversations.crypto.axolotl.AxolotlService;
+import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
 import eu.siacs.conversations.entities.Account;
 import eu.siacs.conversations.entities.Contact;
 import eu.siacs.conversations.entities.Conversation;
@@ -94,6 +98,18 @@ public class MessageParser extends AbstractParser implements
 		}
 	}
 
+    private Message parseAxolotlChat(Element axolotlMessage, Jid from, String id, Conversation conversation) {
+        Message finishedMessage = null;
+        AxolotlService service = conversation.getAccount().getAxolotlService();
+        XmppAxolotlMessage xmppAxolotlMessage = new XmppAxolotlMessage(conversation.getContact(), axolotlMessage);
+        XmppAxolotlMessage.XmppAxolotlPlaintextMessage plaintextMessage = service.processReceiving(xmppAxolotlMessage);
+        if(plaintextMessage != null) {
+            finishedMessage = new Message(conversation, plaintextMessage.getPlaintext(), Message.ENCRYPTION_AXOLOTL, Message.STATUS_RECEIVED);
+        }
+
+        return finishedMessage;
+    }
+
 	private class Invite {
 		Jid jid;
 		String password;
@@ -170,6 +186,18 @@ public class MessageParser extends AbstractParser implements
 				mXmppConnectionService.updateConversationUi();
 				mXmppConnectionService.updateAccountUi();
 			}
+		} else if (AxolotlService.PEP_DEVICE_LIST.equals(node)) {
+            Log.d(Config.LOGTAG, "Received PEP device list update from "+ from + ", processing...");
+            Element item = items.findChild("item");
+			List<Integer> deviceIds = mXmppConnectionService.getIqParser().deviceIds(item);
+            AxolotlService axolotlService = account.getAxolotlService();
+            if(account.getJid().toBareJid().equals(from)) {
+            } else {
+                Contact contact = account.getRoster().getContact(from);
+                for (Integer deviceId : deviceIds) {
+                    axolotlService.fetchBundleIfNeeded(contact, deviceId);
+                }
+            }
 		}
 	}
 
@@ -232,8 +260,9 @@ public class MessageParser extends AbstractParser implements
 			timestamp = AbstractParser.getTimestamp(packet, System.currentTimeMillis());
 		}
 		final String body = packet.getBody();
-		final String encrypted = packet.findChildContent("x", "jabber:x:encrypted");
 		final Element mucUserElement = packet.findChild("x","http://jabber.org/protocol/muc#user");
+		final String pgpEncrypted = packet.findChildContent("x", "jabber:x:encrypted");
+        final Element axolotlEncrypted = packet.findChild("axolotl_message", AxolotlService.PEP_PREFIX);
 		int status;
 		final Jid counterpart;
 		final Jid to = packet.getTo();
@@ -261,11 +290,11 @@ public class MessageParser extends AbstractParser implements
 			return;
 		}
 
-		if (extractChatState(mXmppConnectionService.find(account,from), packet)) {
+		if (extractChatState(mXmppConnectionService.find(account, from), packet)) {
 			mXmppConnectionService.updateConversationUi();
 		}
 
-		if ((body != null || encrypted != null) && !isMucStatusMessage) {
+		if ((body != null || pgpEncrypted != null || axolotlEncrypted != null) && !isMucStatusMessage) {
 			Conversation conversation = mXmppConnectionService.findOrCreateConversation(account, counterpart.toBareJid(), isTypeGroupChat);
 			if (isTypeGroupChat) {
 				if (counterpart.getResourcepart().equals(conversation.getMucOptions().getActualNick())) {
@@ -294,9 +323,14 @@ public class MessageParser extends AbstractParser implements
 				} else {
 					message = new Message(conversation, body, Message.ENCRYPTION_NONE, status);
 				}
-			} else if (encrypted != null) {
-				message = new Message(conversation, encrypted, Message.ENCRYPTION_PGP, status);
-			} else {
+			} else if (pgpEncrypted != null) {
+                message = new Message(conversation, pgpEncrypted, Message.ENCRYPTION_PGP, status);
+            } else if (axolotlEncrypted != null) {
+                message = parseAxolotlChat(axolotlEncrypted, from, remoteMsgId, conversation);
+                if (message == null) {
+                    return;
+                }
+            } else {
 				message = new Message(conversation, body, Message.ENCRYPTION_NONE, status);
 			}
 			message.setCounterpart(counterpart);
-- 
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