authentication with email instead of username

cfp/forms.py

@@ -52,7 +52,7 @@ class CreateUserForm(forms.ModelForm):
         user = User(first_name=self.cleaned_data.get('first_name'), last_name=self.cleaned_data.get('last_name'))
         username = slugify(user.get_full_name())
         if User.objects.filter(username=username).exists():
-            raise forms.ValidationError(_('An user with that firstname and lastname already exists.'))
+            raise forms.ValidationError(_('An user with that firstname and that lastname already exists.'))
 
     def clean_email(self):
         email = self.cleaned_data.get('email')

locale/fr/LC_MESSAGES/django.po

@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2017-07-30 19:44+0000\n"
+"POT-Creation-Date: 2017-07-31 21:38+0000\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -288,7 +288,11 @@ msgstr "%(name)s a été ajouté aux participants"
 msgid "%(name)s is already a participant"
 msgstr "%(name)s est déjà participant"
 
-#: cfp/forms.py:47
+#: cfp/forms.py:55
+msgid "An user with that firstname and that lastname already exists."
+msgstr "Un utilisateur avec ce prénom et ce nom existe déjà."
+
+#: cfp/forms.py:60
 msgid "A user with that email already exists."
 msgstr "Un utilisateur avec cet email existe déjà."
 
@@ -448,7 +452,7 @@ msgid "An email has been sent to you with those URLs"
 msgstr "Un mail vous a été envoyé avec toutes les URLs"
 
 #: cfp/templates/cfp/propose.html:22 cfp/templates/cfp/speaker.html:21
-#: cfp/templates/cfp/staff/conference.html:13
+#: cfp/templates/cfp/staff/conference.html:14
 #: cfp/templates/cfp/staff/create_user.html:13
 msgid "Save"
 msgstr "Envoyer"
@@ -462,6 +466,7 @@ msgstr "Conférence"
 msgid "Please select a category."
 msgstr "Veuillez sélectionner une catégorie."
 
+#: cfp/templates/cfp/staff/conference.html:13
 #: cfp/templates/cfp/staff/create_user.html:8
 msgid "Add a new user"
 msgstr "Ajouter un nouvel utilisateur"
@@ -745,11 +750,11 @@ msgstr "Vote mis à jour"
 msgid "Decision taken in account"
 msgstr "Décision enregistrée"
 
-#: cfp/views.py:208
+#: cfp/views.py:214
 msgid "Modifications successfully saved."
 msgstr "Modification enregistrée avec succès."
 
-#: cfp/views.py:222
+#: cfp/views.py:228
 msgid "User created successfully."
 msgstr "Utilisateur créé avec succès."
 
@@ -830,11 +835,11 @@ msgstr "Certains exposés ne sont pas encore planifiés."
 msgid "No rooms."
 msgstr "Aucune salle."
 
-#: ponyconf/settings.py:145
+#: ponyconf/settings.py:147
 msgid "English"
 msgstr "Anglais"
 
-#: ponyconf/settings.py:146
+#: ponyconf/settings.py:148
 msgid "French"
 msgstr "Français"
 
@@ -852,6 +857,7 @@ msgstr "Staff"
 
 #: ponyconf/templates/base.html:50
 #: ponyconf/templates/registration/login.html:10
+#: ponyconf/templates/registration/login.html:23
 msgid "Login"
 msgstr "Se connecter"
 
@@ -859,10 +865,18 @@ msgstr "Se connecter"
 msgid "Powered by"
 msgstr "Propulsé par"
 
+#: ponyconf/templates/registration/login.html:24
+msgid "Forgot password?"
+msgstr "Mot de passe oublié ?"
+
 #: ponyconf/templates/registration/password_change_form.html:9
 msgid "Password Change"
 msgstr "Changement de mot de passe"
 
+#: ponyconf/urls.py:27
+msgid "Email address"
+msgstr ""
+
 #: proposals/forms.py:46
 msgid "Should be less than 255 characters"
 msgstr "Texte court, moins de 255 caractères"

ponyconf/backends.py

@@ -0,0 +1,16 @@
+from django.contrib.auth import get_user_model
+from django.contrib.auth.backends import ModelBackend
+
+
+class EmailBackend(ModelBackend):
+    def authenticate(self, request, username=None, password=None, **kwargs):
+        if not username:
+            return None
+        UserModel = get_user_model()
+        try:
+            user = UserModel._default_manager.get(email__iexact=username)
+        except UserModel.DoesNotExist:
+            UserModel().set_password(password) # https://code.djangoproject.com/ticket/20760
+        else:
+            if user.check_password(password) and self.user_can_authenticate(user):
+                return user

ponyconf/settings.py

@@ -210,7 +210,10 @@ SELECT2_JS = 'select2/dist/js/select2.min.js'
 SELECT2_CSS = 'select2/dist/css/select2.min.css'
 SELECT2_I18N_PATH = 'select2/dist/js/i18n'
 
-#AUTHENTICATION_BACKENDS = ['yeouia.backends.YummyEmailOrUsernameInsensitiveAuth']
+AUTHENTICATION_BACKENDS = [
+    'django.contrib.auth.backends.ModelBackend',
+    'ponyconf.backends.EmailBackend',
+]
 LOGOUT_REDIRECT_URL = 'home'
 
 CRISPY_TEMPLATE_PACK='bootstrap3'

ponyconf/templates/registration/login.html

@@ -17,11 +17,11 @@
         {% bootstrap_form_errors form layout="horizontal" %}
         <form method="post" class="form-horizontal">
             {% csrf_token %}
-            {% bootstrap_field form.username layout="horizontal" placeholder="Nom d’utilisateur, e-mail ou numéro d’adhérent" %}
+            {% bootstrap_field form.username layout="horizontal" %}
             {% bootstrap_field form.password layout="horizontal" %}
             {% buttons layout="horizontal" %}
-                <button type="submit" class="btn btn-primary">Login</button>
+                <button type="submit" class="btn btn-primary">{% trans "Login" %}</button>
-                <a class="btn btn-default" href="{% url 'password_reset' %}">Mot de passe oublié ?</a>
+                <a class="btn btn-default" href="{% url 'password_reset' %}">{% trans "Forgot password?" %}</a>
             {% endbuttons %}
         </form>
       </div>

ponyconf/urls.py

@@ -15,10 +15,24 @@ Including another URLconf
 """
 from django.conf.urls import include, url
 from django.contrib import admin
+from django.contrib.auth.views import LoginView
+from django.contrib.auth.forms import AuthenticationForm
+from django.utils.translation import ugettext_lazy as _
+
+
+class EmailAuthenticationForm(AuthenticationForm):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.fields['username'].label = _('Email address')
+
+
+class EmailLoginView(LoginView):
+    authentication_form = EmailAuthenticationForm
 
 
 urlpatterns = [
     url(r'^admin/', admin.site.urls),
+    url(r'accounts/login/', EmailLoginView.as_view()),
     url(r'accounts/', include('django.contrib.auth.urls')),
     url(r'^', include('cfp.urls')),
 ]