help: only show help pages if user is logged in

plinth/modules/help/help.py

@@ -24,7 +24,6 @@ from apt.cache import Cache
 from django.http import Http404
 from django.template.response import TemplateResponse
 from django.utils.translation import ugettext as _, ugettext_lazy
-from stronghold.decorators import public
 
 from plinth import cfg, __version__
 from plinth.menu import main_menu
@@ -42,14 +41,12 @@ def init():
                      100)
 
 
-@public
 def index(request):
     """Serve the index page"""
     return TemplateResponse(request, 'help_index.html',
                             {'title': _('Documentation and FAQ')})
 
 
-@public
 def about(request):
     """Serve the about page"""
     cache = Cache()
@@ -63,7 +60,6 @@ def about(request):
     return TemplateResponse(request, 'help_about.html', context)
 
 
-@public
 def manual(request):
     """Serve the manual page from the 'doc' directory"""
     try:

plinth/templates/base.html

@@ -119,13 +119,13 @@
         </ul>
         <ul class="nav navbar-nav navbar-right">
           {% block mainmenu_right %}
-            <li>
-              <a href="{% url 'help:index' %}" title="{% trans "Help" %}">
-                <span class="glyphicon-question-sign glyphicon nav-icon"></span>
-              </a>
-            </li>
 
             {% if user.is_authenticated %}
+              <li>
+                <a href="{% url 'help:index' %}" title="{% trans "Help" %}">
+                  <span class="glyphicon-question-sign glyphicon nav-icon"></span>
+                </a>
+              </li>
               <li class="dropdown">
                 <a href="{% url 'users:edit' user.username %}"
                    class="dropdown-toggle" data-toggle="dropdown"