From 12704fa640ba7ea028f247f2709202cb6a8ec7e1 Mon Sep 17 00:00:00 2001
From: Daniel Gultsch <daniel@gultsch.de>
Date: Thu, 5 May 2016 09:58:35 +0200
Subject: refactor captcha response handling to avoid network on main thread
 exception

---
 .../siacs/conversations/generator/IqGenerator.java |  6 ++-
 .../services/XmppConnectionService.java            |  5 ++-
 .../siacs/conversations/xmpp/XmppConnection.java   | 49 ++++++++--------------
 3 files changed, 25 insertions(+), 35 deletions(-)

diff --git a/src/main/java/eu/siacs/conversations/generator/IqGenerator.java b/src/main/java/eu/siacs/conversations/generator/IqGenerator.java
index b7911ef7..daacfe59 100644
--- a/src/main/java/eu/siacs/conversations/generator/IqGenerator.java
+++ b/src/main/java/eu/siacs/conversations/generator/IqGenerator.java
@@ -303,8 +303,10 @@ public class IqGenerator extends AbstractGenerator {
 
 		register.setTo(account.getServer());
 		register.setId(id);
-		register.query("jabber:iq:register").addChild(data);
-
+		Element query = register.query("jabber:iq:register");
+		if (data != null) {
+			query.addChild(data);
+		}
 		return register;
 	}
 
diff --git a/src/main/java/eu/siacs/conversations/services/XmppConnectionService.java b/src/main/java/eu/siacs/conversations/services/XmppConnectionService.java
index 5fd8a053..ba9d7968 100644
--- a/src/main/java/eu/siacs/conversations/services/XmppConnectionService.java
+++ b/src/main/java/eu/siacs/conversations/services/XmppConnectionService.java
@@ -3002,9 +3002,10 @@ public class XmppConnectionService extends Service implements OnPhoneContactsLoa
 	}
 
 	public void sendCreateAccountWithCaptchaPacket(Account account, String id, Data data) {
-		XmppConnection connection = account.getXmppConnection();
+		final XmppConnection connection = account.getXmppConnection();
 		if (connection != null) {
-			connection.sendCaptchaRegistryRequest(id, data);
+			IqPacket request = mIqGenerator.generateCreateAccountWithCaptcha(account, id, data);
+			sendIqPacket(account, request, connection.registrationResponseListener);
 		}
 	}
 
diff --git a/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java b/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
index c1e26a70..687f07da 100644
--- a/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
+++ b/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
@@ -176,28 +176,24 @@ public class XmppConnection implements Runnable {
 	};
 	private Identity mServerIdentity = Identity.UNKNOWN;
 
-	private OnIqPacketReceived createPacketReceiveHandler() {
-		return new OnIqPacketReceived() {
-			@Override
-			public void onIqPacketReceived(Account account, IqPacket packet) {
-				if (packet.getType() == IqPacket.TYPE.RESULT) {
-					account.setOption(Account.OPTION_REGISTER,
-							false);
-					forceCloseSocket();
-					changeStatus(Account.State.REGISTRATION_SUCCESSFUL);
-				} else if (packet.hasChild("error")
-						&& (packet.findChild("error")
-						.hasChild("conflict"))) {
-					forceCloseSocket();
-					changeStatus(Account.State.REGISTRATION_CONFLICT);
-				} else {
-					forceCloseSocket();
-					changeStatus(Account.State.REGISTRATION_FAILED);
-					Log.d(Config.LOGTAG, packet.toString());
-				}
+	public final OnIqPacketReceived registrationResponseListener =  new OnIqPacketReceived() {
+		@Override
+		public void onIqPacketReceived(Account account, IqPacket packet) {
+			if (packet.getType() == IqPacket.TYPE.RESULT) {
+				account.setOption(Account.OPTION_REGISTER, false);
+				forceCloseSocket();
+				changeStatus(Account.State.REGISTRATION_SUCCESSFUL);
+			} else if (packet.hasChild("error")
+					&& (packet.findChild("error").hasChild("conflict"))) {
+				forceCloseSocket();
+				changeStatus(Account.State.REGISTRATION_CONFLICT);
+			} else {
+				forceCloseSocket();
+				changeStatus(Account.State.REGISTRATION_FAILED);
+				Log.d(Config.LOGTAG, packet.toString());
 			}
-		};
-	}
+		}
+	};
 
 	public XmppConnection(final Account account, final XmppConnectionService service) {
 		this.account = account;
@@ -809,15 +805,6 @@ public class XmppConnection implements Runnable {
 		return mechanisms;
 	}
 
-	public void sendCaptchaRegistryRequest(String id, Data data) {
-		if (data == null) {
-			setAccountCreationFailed("");
-		} else {
-			IqPacket request = getIqGenerator().generateCreateAccountWithCaptcha(account, id, data);
-			sendIqPacket(request, createPacketReceiveHandler());
-		}
-	}
-
 	private void sendRegistryRequest() {
 		final IqPacket register = new IqPacket(IqPacket.TYPE.GET);
 		register.query("jabber:iq:register");
@@ -835,7 +822,7 @@ public class XmppConnection implements Runnable {
 					final Element password = new Element("password").setContent(account.getPassword());
 					register.query("jabber:iq:register").addChild(username);
 					register.query().addChild(password);
-					sendIqPacket(register, createPacketReceiveHandler());
+					sendIqPacket(register, registrationResponseListener);
 				} else if (packet.getType() == IqPacket.TYPE.RESULT
 						&& (packet.query().hasChild("x", "jabber:x:data"))) {
 					final Data data = Data.parse(packet.query().findChild("x", "jabber:x:data"));
-- 
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