From 3409399ef1c4feb6370d830f6679fedc8f6256ec Mon Sep 17 00:00:00 2001
From: Daniel Gultsch <daniel@gultsch.de>
Date: Mon, 25 Jul 2016 15:57:47 +0200
Subject: display specific error message when password is too weak on
 registration

---
 .../eu/siacs/conversations/entities/Account.java   |  9 ++++---
 .../siacs/conversations/xmpp/XmppConnection.java   | 29 +++++++++++++---------
 src/main/res/values/strings.xml                    |  1 +
 3 files changed, 24 insertions(+), 15 deletions(-)

diff --git a/src/main/java/eu/siacs/conversations/entities/Account.java b/src/main/java/eu/siacs/conversations/entities/Account.java
index 6c5fdd21..7085c7ba 100644
--- a/src/main/java/eu/siacs/conversations/entities/Account.java
+++ b/src/main/java/eu/siacs/conversations/entities/Account.java
@@ -110,7 +110,8 @@ public class Account extends AbstractEntity {
 		HOST_UNKNOWN(true),
 		REGISTRATION_PLEASE_WAIT(true),
 		STREAM_ERROR(true),
-		POLICY_VIOLATION(true);
+		POLICY_VIOLATION(true),
+		REGISTRATION_PASSWORD_TOO_WEAK(true);
 
 		private final boolean isError;
 
@@ -118,11 +119,11 @@ public class Account extends AbstractEntity {
 			return this.isError;
 		}
 
-		private State(final boolean isError) {
+		State(final boolean isError) {
 			this.isError = isError;
 		}
 
-		private State() {
+		State() {
 			this(false);
 		}
 
@@ -164,6 +165,8 @@ public class Account extends AbstractEntity {
 					return R.string.account_status_policy_violation;
 				case REGISTRATION_PLEASE_WAIT:
 					return R.string.registration_please_wait;
+				case REGISTRATION_PASSWORD_TOO_WEAK:
+					return R.string.registration_password_too_weak;
 				case STREAM_ERROR:
 					return R.string.account_status_stream_error;
 				default:
diff --git a/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java b/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
index ba1482fe..6ed9f9d3 100644
--- a/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
+++ b/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
@@ -34,6 +34,7 @@ import java.security.Principal;
 import java.security.PrivateKey;
 import java.security.cert.X509Certificate;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.HashMap;
 import java.util.Hashtable;
 import java.util.Iterator;
@@ -182,20 +183,24 @@ public class XmppConnection implements Runnable {
 				forceCloseSocket();
 				changeStatus(Account.State.REGISTRATION_SUCCESSFUL);
 			} else {
+				final List<String> PASSWORD_TOO_WEAK_MSGS = Arrays.asList(
+						"The password is too weak",
+						"Please use a longer password.");
 				Element error = packet.findChild("error");
-				if (error != null && error.hasChild("conflict")) {
-					forceCloseSocket();
-					changeStatus(Account.State.REGISTRATION_CONFLICT);
-				} else if (error != null
-						&& "wait".equals(error.getAttribute("type"))
-						&& error.hasChild("resource-constraint")) {
-					forceCloseSocket();
-					changeStatus(Account.State.REGISTRATION_PLEASE_WAIT);
-				} else {
-					forceCloseSocket();
-					changeStatus(Account.State.REGISTRATION_FAILED);
-					Log.d(Config.LOGTAG, packet.toString());
+				Account.State state = Account.State.REGISTRATION_FAILED;
+				if (error != null) {
+					if (error.hasChild("conflict")) {
+						state = Account.State.REGISTRATION_CONFLICT;
+					} else if (error.hasChild("resource-constraint")
+							&& "wait".equals(error.getAttribute("type"))) {
+						state = Account.State.REGISTRATION_PLEASE_WAIT;
+					} else if (error.hasChild("not-acceptable")
+							&& PASSWORD_TOO_WEAK_MSGS.contains(error.findChildContent("text"))) {
+						state = Account.State.REGISTRATION_PASSWORD_TOO_WEAK;
+					}
 				}
+				changeStatus(state);
+				forceCloseSocket();
 			}
 		}
 	};
diff --git a/src/main/res/values/strings.xml b/src/main/res/values/strings.xml
index 84d9fee2..9b404295 100644
--- a/src/main/res/values/strings.xml
+++ b/src/main/res/values/strings.xml
@@ -648,6 +648,7 @@
 	<string name="device_does_not_support_battery_op">Your device does not support opting out of battery optimization</string>
 	<string name="show_password">Show password</string>
 	<string name="registration_please_wait">Registration failed: Try again later</string>
+	<string name="registration_password_too_weak">Registration failed: Password too weak</string>
 	<string name="create_conference">Create conference</string>
 	<string name="join_or_create_conference">Join or create conference</string>
 	<string name="conference_subject">Subject</string>
-- 
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