From 9a575eb6d6f91d694501eabba78825ec649f297e Mon Sep 17 00:00:00 2001
From: Paulus Schoutsen <paulus@paulusschoutsen.nl>
Date: Mon, 8 Aug 2016 17:35:27 -0700
Subject: [PATCH] Link prefetch panels (#2748)

* Add link=prefetch to index.html

* Improve http request logging
---
 homeassistant/components/frontend/__init__.py          | 2 +-
 homeassistant/components/frontend/templates/index.html | 7 +++++--
 homeassistant/components/http.py                       | 8 ++++----
 3 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/homeassistant/components/frontend/__init__.py b/homeassistant/components/frontend/__init__.py
index 552ac3567d1..cec18b66511 100644
--- a/homeassistant/components/frontend/__init__.py
+++ b/homeassistant/components/frontend/__init__.py
@@ -196,6 +196,6 @@ class IndexView(HomeAssistantView):
         resp = template.render(
             core_url=core_url, ui_url=ui_url, no_auth=no_auth,
             icons_url=icons_url, icons=FINGERPRINTS['mdi.html'],
-            panel_url=panel_url)
+            panel_url=panel_url, panels=PANELS)
 
         return self.Response(resp, mimetype='text/html')
diff --git a/homeassistant/components/frontend/templates/index.html b/homeassistant/components/frontend/templates/index.html
index 31e347627fa..859b2af53f0 100644
--- a/homeassistant/components/frontend/templates/index.html
+++ b/homeassistant/components/frontend/templates/index.html
@@ -8,6 +8,9 @@
     <link rel='icon' href='/static/icons/favicon.ico'>
     <link rel='apple-touch-icon' sizes='180x180'
           href='/static/icons/favicon-apple-180x180.png'>
+    {% for panel in panels.values() -%}
+      <link rel='prefetch' href='{{ panel.url }}'>
+    {% endfor -%}
     <meta name='apple-mobile-web-app-capable' content='yes'>
     <meta name="msapplication-square70x70logo" content="/static/icons/tile-win-70x70.png"/>
     <meta name="msapplication-square150x150logo" content="/static/icons/tile-win-150x150.png"/>
@@ -86,9 +89,9 @@
     {# <script src='/static/home-assistant-polymer/build/_demo_data_compiled.js'></script> #}
     <script src='{{ core_url }}'></script>
     <link rel='import' href='{{ ui_url }}' onerror='initError()'>
-    {% if panel_url %}
+    {% if panel_url -%}
       <link rel='import' href='{{ panel_url }}' onerror='initError()' async>
-    {% endif %}
+    {% endif -%}
     <link rel='import' href='{{ icons_url }}' async>
     <script>
       var webComponentsSupported = (
diff --git a/homeassistant/components/http.py b/homeassistant/components/http.py
index 1fdb1bacf82..96a4d196272 100644
--- a/homeassistant/components/http.py
+++ b/homeassistant/components/http.py
@@ -473,16 +473,16 @@ class HomeAssistantView(object):
                                  self.hass.wsgi.api_password):
             authenticated = True
 
-        if authenticated:
-            _LOGGER.info('Successful login/request from %s',
-                         request.remote_addr)
-        elif self.requires_auth and not authenticated:
+        if self.requires_auth and not authenticated:
             _LOGGER.warning('Login attempt or request with an invalid'
                             'password from %s', request.remote_addr)
             raise Unauthorized()
 
         request.authenticated = authenticated
 
+        _LOGGER.info('Serving %s to %s (auth: %s)',
+                     request.path, request.remote_addr, authenticated)
+
         result = handler(request, **values)
 
         if isinstance(result, self.Response):