From c210650ca7a57e9316eb3f4829bb4f35c8676589 Mon Sep 17 00:00:00 2001
From: Danielle McLean <dani@00dani.me>
Date: Tue, 24 Oct 2017 23:50:57 +1100
Subject: [PATCH] Switch from using the admin login/logout pages to custom
 'lemonauth' pages

---
 lemonauth/__init__.py                         |  0
 lemonauth/static/lemonauth/css/login.styl     |  4 ++
 lemonauth/templates/lemonauth/login.html      | 46 +++++++++++++++++++
 .../templates/lemonauth/tags/form_field.html  |  6 +++
 lemonauth/templatetags/__init__.py            |  0
 lemonauth/templatetags/lemonauth_tags.py      |  8 ++++
 lemonauth/urls.py                             |  8 ++++
 lemonauth/views.py                            |  7 +++
 lemoncurry/settings/base.py                   |  5 ++
 lemoncurry/templates/lemoncurry/layout.html   |  3 +-
 lemoncurry/templatetags/lemoncurry_tags.py    |  4 +-
 lemoncurry/urls.py                            |  1 +
 12 files changed, 89 insertions(+), 3 deletions(-)
 create mode 100644 lemonauth/__init__.py
 create mode 100644 lemonauth/static/lemonauth/css/login.styl
 create mode 100644 lemonauth/templates/lemonauth/login.html
 create mode 100644 lemonauth/templates/lemonauth/tags/form_field.html
 create mode 100644 lemonauth/templatetags/__init__.py
 create mode 100644 lemonauth/templatetags/lemonauth_tags.py
 create mode 100644 lemonauth/urls.py
 create mode 100644 lemonauth/views.py

diff --git a/lemonauth/__init__.py b/lemonauth/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/lemonauth/static/lemonauth/css/login.styl b/lemonauth/static/lemonauth/css/login.styl
new file mode 100644
index 0000000..9b9e7a5
--- /dev/null
+++ b/lemonauth/static/lemonauth/css/login.styl
@@ -0,0 +1,4 @@
+.container
+	display flex
+	flex-direction column
+	justify-content center
diff --git a/lemonauth/templates/lemonauth/login.html b/lemonauth/templates/lemonauth/login.html
new file mode 100644
index 0000000..4f762a1
--- /dev/null
+++ b/lemonauth/templates/lemonauth/login.html
@@ -0,0 +1,46 @@
+{% extends 'lemoncurry/layout.html' %}
+{% load lemonauth_tags static %}
+{% block title %}log in ~ {{ block.super }}{% endblock %}
+
+{% block styles %}
+<link rel="stylesheet" type="text/stylus" href="{% static 'lemonauth/css/login.styl' %}" />
+{% endblock %}
+
+{% block main %}
+<div class="container">
+	{% if form.errors %}
+	<p class="alert alert-danger">
+		<strong>Uh oh!</strong> Your username and password didn't match. Please try again.
+	</p>
+	{% endif %}
+
+	{% if next %}
+	{% if user.is_authenticated %}
+	<p class="alert alert-warning">
+		<strong>Hang on!</strong> Your account doesn't have access to this page. To proceed, please log in to an account that does have access.
+	</p>
+	{% else %}
+	<p class="alert alert-warning">
+		<strong>Oops!</strong> Please log in to see this page.
+	</p>
+	{% endif %}
+	{% endif %}
+
+	<form class="card" method="post" action="{% url 'lemonauth:login' %}">
+		<div class="card-body">
+			{% form_field form.username %}
+			{% form_field form.password %}
+		</div>
+
+		<div class="card-footer">
+			<button class="btn btn-primary" type="submit">
+				<i class="fa fa-sign-in"></i>
+				log in
+			</button>
+		</div>
+
+		{% csrf_token %}
+		<input type="hidden" name="next" value="{{ next }}" />
+	</form>
+</div>
+{% endblock %}
diff --git a/lemonauth/templates/lemonauth/tags/form_field.html b/lemonauth/templates/lemonauth/tags/form_field.html
new file mode 100644
index 0000000..80e319c
--- /dev/null
+++ b/lemonauth/templates/lemonauth/tags/form_field.html
@@ -0,0 +1,6 @@
+<div class="form-group{% if field.errors %} has-error{% endif %}">
+	<label for="{{ field.id_for_label }}">{{ field.label | lower }}</label>
+	<input id="{{ field.id_for_label }}" class="form-control" type="{{ field.field.widget.input_type }}"
+				 name="{{ field.html_name }}"{% if field.value %} value="{{ field.value }}"{% endif %}{% if field.help_text %} aria-describedby="{{ field.id_for_label }}-help"{% endif %} />
+	{% if field.help_text %}<p id="{{ field.id_for_label }}-help" class="form-text">{{ field.help_text }}</p>{% endif %}
+</div>
diff --git a/lemonauth/templatetags/__init__.py b/lemonauth/templatetags/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/lemonauth/templatetags/lemonauth_tags.py b/lemonauth/templatetags/lemonauth_tags.py
new file mode 100644
index 0000000..65a196d
--- /dev/null
+++ b/lemonauth/templatetags/lemonauth_tags.py
@@ -0,0 +1,8 @@
+from django import template
+
+register = template.Library()
+
+
+@register.inclusion_tag('lemonauth/tags/form_field.html')
+def form_field(field):
+    return {'field': field}
diff --git a/lemonauth/urls.py b/lemonauth/urls.py
new file mode 100644
index 0000000..a52aa57
--- /dev/null
+++ b/lemonauth/urls.py
@@ -0,0 +1,8 @@
+from django.conf.urls import url
+from . import views
+
+app_name = 'lemonauth'
+urlpatterns = [
+    url('^login$', views.login, name='login'),
+    url('^logout$', views.logout, name='logout'),
+]
diff --git a/lemonauth/views.py b/lemonauth/views.py
new file mode 100644
index 0000000..d2cd871
--- /dev/null
+++ b/lemonauth/views.py
@@ -0,0 +1,7 @@
+from django.contrib.auth import views as auth_views
+
+login = auth_views.LoginView.as_view(
+    template_name='lemonauth/login.html',
+    redirect_authenticated_user=True,
+)
+logout = auth_views.LogoutView.as_view()
diff --git a/lemoncurry/settings/base.py b/lemoncurry/settings/base.py
index ed15b6d..1ec21b4 100644
--- a/lemoncurry/settings/base.py
+++ b/lemoncurry/settings/base.py
@@ -70,6 +70,7 @@ INSTALLED_APPS = [
 
     'lemoncurry',
     'home',
+    'lemonauth',
     'users',
     'wellknowns',
 ]
@@ -147,6 +148,10 @@ AUTH_PASSWORD_VALIDATORS = [
     },
 ]
 
+LOGIN_URL = 'lemonauth:login'
+LOGIN_REDIRECT_URL = 'home:index'
+LOGOUT_REDIRECT_URL = LOGIN_REDIRECT_URL
+
 
 # Internationalization
 # https://docs.djangoproject.com/en/1.11/topics/i18n/
diff --git a/lemoncurry/templates/lemoncurry/layout.html b/lemoncurry/templates/lemoncurry/layout.html
index 3dfd4af..cb7ba3d 100644
--- a/lemoncurry/templates/lemoncurry/layout.html
+++ b/lemoncurry/templates/lemoncurry/layout.html
@@ -1,7 +1,7 @@
 {% load compress favtags lemoncurry_tags meta static %}<!doctype html>
 <html lang="en" class="{% block html_class %}{% endblock %}">
 	<head{% meta_namespaces %}>
-		<title class="p-name">{% site_name %}</title>
+		<title class="p-name">{% block title %}{% site_name %}{% endblock %}</title>
 		<meta charset="utf-8" />
 		<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" />
 		{% include 'meta/meta.html' %}
@@ -11,6 +11,7 @@
 					integrity="sha384-PsH8R72JQ3SOdhVi3uxftmaW6Vc51MKb0q5P2rRUpPvrszuE4W1povHYgTpBfshb" crossorigin="anonymous" />
 		{% compress css %}
 		<link rel="stylesheet" type="text/stylus" href="{% static 'lemoncurry/css/layout.styl' %}" />
+		{% block styles %}{% endblock %}
 		{% endcompress %}
 		<script type="text/javascript" src="https://use.fontawesome.com/4fbab4ae27.js"></script>
 	</head>
diff --git a/lemoncurry/templatetags/lemoncurry_tags.py b/lemoncurry/templatetags/lemoncurry_tags.py
index e463570..1d8b9d2 100644
--- a/lemoncurry/templatetags/lemoncurry_tags.py
+++ b/lemoncurry/templatetags/lemoncurry_tags.py
@@ -43,10 +43,10 @@ def nav_right(request):
     if request.user.is_authenticated():
         items = (
             MenuItem(label='admin', icon='fa fa-gear', url='admin:index'),
-            MenuItem(label='log out', icon='fa fa-sign-out', url='admin:logout'),
+            MenuItem(label='log out', icon='fa fa-sign-out', url='lemonauth:logout'),
         )
     else:
         items = (
-            MenuItem(label='log in', icon='fa fa-sign-in', url='admin:login'),
+            MenuItem(label='log in', icon='fa fa-sign-in', url='lemonauth:login'),
         )
     return {'items': items}
diff --git a/lemoncurry/urls.py b/lemoncurry/urls.py
index a9303b1..eb27069 100644
--- a/lemoncurry/urls.py
+++ b/lemoncurry/urls.py
@@ -28,6 +28,7 @@ urlpatterns = [
     url('', include('home.urls')),
     url('^.well-known/', include('wellknowns.urls')),
     url('^admin/', admin.site.urls),
+    url('^auth/', include('lemonauth.urls')),
 
     url(r'^sitemap\.xml$', sitemap.index, maps),
     url(r'^sitemaps/(?P<section>.+)\.xml$', sitemap.sitemap, maps,