From 40e5090bdd4c021b25b1ce306704cc28a8b8cb0d Mon Sep 17 00:00:00 2001
From: Daniel Gultsch <daniel@gultsch.de>
Date: Thu, 6 Oct 2016 18:09:55 +0200
Subject: [PATCH] issue ping after push was received

---
 .../conversations/services/XmppConnectionService.java  |  4 +++-
 .../eu/siacs/conversations/utils/CryptoHelper.java     | 10 ++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/main/java/eu/siacs/conversations/services/XmppConnectionService.java b/src/main/java/eu/siacs/conversations/services/XmppConnectionService.java
index d14975a25..650b71981 100644
--- a/src/main/java/eu/siacs/conversations/services/XmppConnectionService.java
+++ b/src/main/java/eu/siacs/conversations/services/XmppConnectionService.java
@@ -529,6 +529,7 @@ public class XmppConnectionService extends Service {
 	@Override
 	public int onStartCommand(Intent intent, int flags, int startId) {
 		final String action = intent == null ? null : intent.getAction();
+		String pushedAccountHash = null;
 		boolean interactive = false;
 		if (action != null) {
 			final Conversation c = findConversationByUuid(intent.getStringExtra("uuid"));
@@ -596,6 +597,7 @@ public class XmppConnectionService extends Service {
 					break;
 				case ACTION_GCM_MESSAGE_RECEIVED:
 					Log.d(Config.LOGTAG,"gcm push message arrived in service. extras="+intent.getExtras());
+					pushedAccountHash = intent.getStringExtra("account");
 					break;
 			}
 		}
@@ -634,7 +636,7 @@ public class XmppConnectionService extends Service {
 							}
 						} else {
 							pingCandidates.add(account);
-							if (msToNextPing <= 0) {
+							if (msToNextPing <= 0 || CryptoHelper.getAccountFingerprint(account).equals(pushedAccountHash)) {
 								pingNow = true;
 							} else {
 								this.scheduleWakeUpCall((int) (msToNextPing / 1000), account.getUuid().hashCode());
diff --git a/src/main/java/eu/siacs/conversations/utils/CryptoHelper.java b/src/main/java/eu/siacs/conversations/utils/CryptoHelper.java
index 429c349a2..f9d31241a 100644
--- a/src/main/java/eu/siacs/conversations/utils/CryptoHelper.java
+++ b/src/main/java/eu/siacs/conversations/utils/CryptoHelper.java
@@ -25,6 +25,7 @@ import java.util.regex.Pattern;
 
 import eu.siacs.conversations.Config;
 import eu.siacs.conversations.R;
+import eu.siacs.conversations.entities.Account;
 import eu.siacs.conversations.entities.Message;
 import eu.siacs.conversations.xmpp.jid.InvalidJidException;
 import eu.siacs.conversations.xmpp.jid.Jid;
@@ -204,6 +205,15 @@ public final class CryptoHelper {
 		return prettifyFingerprintCert(bytesToHex(fingerprint));
 	}
 
+	public static String getAccountFingerprint(Account account) {
+		try {
+			MessageDigest md = MessageDigest.getInstance("SHA256");
+			return bytesToHex(md.digest(account.getJid().toBareJid().toString().getBytes("UTF-8")));
+		} catch (Exception e) {
+			return "";
+		}
+	}
+
 	public static int encryptionTypeToText(int encryption) {
 		switch (encryption) {
 			case Message.ENCRYPTION_OTR: