From 773b1a4ea72b8e134281f6e3ac82ec5814fa30cd Mon Sep 17 00:00:00 2001
From: Gustavo Martin Morcuende <gu.martinm@gmail.com>
Date: Wed, 5 Oct 2016 03:14:12 +0200
Subject: [PATCH] When login and not right credentials return 401 and nice
 error HTML page

---
 .../com/prueba/services/impl/LoginServiceImpl.java    |  9 ++++++++-
 src/main/java/com/prueba/view/UnAuthenticated.java    | 19 +++++++++++++++++++
 2 files changed, 27 insertions(+), 1 deletion(-)
 create mode 100644 src/main/java/com/prueba/view/UnAuthenticated.java

diff --git a/src/main/java/com/prueba/services/impl/LoginServiceImpl.java b/src/main/java/com/prueba/services/impl/LoginServiceImpl.java
index 05b885a..da7c551 100644
--- a/src/main/java/com/prueba/services/impl/LoginServiceImpl.java
+++ b/src/main/java/com/prueba/services/impl/LoginServiceImpl.java
@@ -12,6 +12,7 @@ import com.prueba.core.http.sessions.SessionInfo;
 import com.prueba.core.http.sessions.Sessions;
 import com.prueba.model.dao.AccountDao;
 import com.prueba.view.LoginFormImpl;
+import com.prueba.view.UnAuthenticated;
 import com.sun.net.httpserver.Headers;
 import com.sun.net.httpserver.HttpExchange;
 
@@ -78,7 +79,13 @@ public class LoginServiceImpl {
 					Sessions.getInstance().refreshSession(uuid, username);
 					this.doRedirect(httpExchange);
 				} else {
-					httpExchange.sendResponseHeaders(401, 0);
+					
+					final UnAuthenticated view = new UnAuthenticated();
+					String html = view.doAuthenticated();
+					httpExchange.sendResponseHeaders(401, html.length());
+					try (final OutputStream os = httpExchange.getResponseBody()) {
+						os.write(html.getBytes());
+					}
 				}
 			}
 		} else {
diff --git a/src/main/java/com/prueba/view/UnAuthenticated.java b/src/main/java/com/prueba/view/UnAuthenticated.java
new file mode 100644
index 0000000..464fb5c
--- /dev/null
+++ b/src/main/java/com/prueba/view/UnAuthenticated.java
@@ -0,0 +1,19 @@
+package com.prueba.view;
+
+import java.io.IOException;
+
+import org.rendersnake.HtmlCanvas;
+
+public class UnAuthenticated {
+
+	public String doAuthenticated() throws IOException {
+		final HtmlCanvas html = new HtmlCanvas();
+		return html
+			  .html()
+			    .body()
+			       .h1().content("401 ERROR: YOU ARE NOT AUTHENTICATED")
+			    ._body()
+			  ._html()
+			  .toHtml();
+	}
+}
-- 
2.1.4