add payment required error

src/main/java/eu/siacs/conversations/entities/Account.java

@@ -111,7 +111,8 @@ public class Account extends AbstractEntity {
 		REGISTRATION_PLEASE_WAIT(true),
 		STREAM_ERROR(true),
 		POLICY_VIOLATION(true),
-		REGISTRATION_PASSWORD_TOO_WEAK(true);
+		REGISTRATION_PASSWORD_TOO_WEAK(true),
+		PAYMENT_REQUIRED(true);
 
 		private final boolean isError;
 
@@ -169,6 +170,8 @@ public class Account extends AbstractEntity {
 					return R.string.registration_password_too_weak;
 				case STREAM_ERROR:
 					return R.string.account_status_stream_error;
+				case PAYMENT_REQUIRED:
+					return R.string.payment_required;
 				default:
 					return R.string.account_status_unknown;
 			}

src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java

@@ -384,6 +384,8 @@ public class XmppConnection implements Runnable {
 			this.changeStatus(Account.State.SECURITY_ERROR);
 		} catch (final UnauthorizedException e) {
 			this.changeStatus(Account.State.UNAUTHORIZED);
+		} catch (final PaymentRequiredException e) {
+			this.changeStatus(Account.State.PAYMENT_REQUIRED);
 		} catch (final UnknownHostException | ConnectException e) {
 			this.changeStatus(Account.State.SERVER_NOT_FOUND);
 		} catch (final SocksSocketFactory.SocksProxyNotFoundException e) {
@@ -505,7 +507,16 @@ public class XmppConnection implements Runnable {
 				}
 				break;
 			} else if (nextTag.isStart("failure")) {
-				throw new UnauthorizedException();
+				final Element failure = tagReader.readElement(nextTag);
+				final String accountDisabled = failure.findChildContent("account-disabled");
+				if (accountDisabled != null
+						&& accountDisabled.contains("renew")
+						&& Config.MAGIC_CREATE_DOMAIN != null
+						&& accountDisabled.contains(Config.MAGIC_CREATE_DOMAIN)) {
+					throw new PaymentRequiredException();
+				} else {
+					throw new UnauthorizedException();
+				}
 			} else if (nextTag.isStart("challenge")) {
 				final String challenge = tagReader.readElement(nextTag).getContent();
 				final Element response = new Element("response");
@@ -1535,6 +1546,10 @@ public class XmppConnection implements Runnable {
 
 	}
 
+	private class PaymentRequiredException extends IOException {
+
+	}
+
 	public enum Identity {
 		FACEBOOK,
 		SLACK,

src/main/res/values/strings.xml

@@ -674,4 +674,5 @@
 	<string name="type_tablet">Tablet</string>
 	<string name="type_web">Web browser</string>
 	<string name="type_console">Console</string>
+	<string name="payment_required">Payment required</string>
 </resources>