signup captcha support + privacy/terms support

.env.template

@@ -87,6 +87,15 @@ REVERSE_PROXY_AUTH=0
 # when unset: 0 (false)
 # ENABLE_SIGNUP=0
 
+# If signup is enabled you might want to add a captcha to it to prevent spam
+# HCAPTCHA_SITEKEY=
+# HCAPTCHA_SECRET=
+
+# if signup is enabled you might want to provide urls to data protection policies or terms and conditions
+# TERMS_URL=
+# PRIVACY_URL=
+# IMPRINT_URL=
+
 # enable serving of prometheus metrics under the /metrics path
 # ATTENTION: view is not secured (as per the prometheus default way) so make sure to secure it
 # trough your web server (or leave it open of you dont care if the stats are exposed)

cookbook/forms.py

@@ -1,10 +1,12 @@
 from django import forms
+from django.conf import settings
 from django.core.exceptions import ValidationError
 from django.forms import widgets
 from django.utils.translation import gettext_lazy as _
 from django_scopes import scopes_disabled
 from django_scopes.forms import SafeModelChoiceField, SafeModelMultipleChoiceField
 from emoji_picker.widgets import EmojiPickerTextInput
+from hcaptcha.fields import hCaptchaField
 
 from .models import (Comment, Food, InviteLink, Keyword, MealPlan, Recipe,
                      RecipeBook, RecipeBookEntry, Storage, Sync, Unit, User,
@@ -68,6 +70,21 @@ class UserPreferenceForm(forms.ModelForm):
         }
 
 
+class AllAuthSignupForm(forms.Form):
+    captcha = hCaptchaField()
+    terms = forms.BooleanField(label=_('Accept Terms and Privacy'))
+
+    def __init__(self, **kwargs):
+        super(AllAuthSignupForm, self).__init__(**kwargs)
+        if settings.PRIVACY_URL == '' and settings.TERMS_URL == '':
+            self.fields.pop('terms')
+        if settings.HCAPTCHA_SECRET == '':
+            self.fields.pop('captcha')
+
+    def signup(self, request, user):
+        pass
+
+
 class UserNameForm(forms.ModelForm):
     prefix = 'name'
 

cookbook/helper/context_processors.py

@@ -0,0 +1,12 @@
+from django.conf import settings
+
+
+def context_settings(request):
+    return {
+        'EMAIL_ENABLED': settings.EMAIL_HOST != '',
+        'SIGNUP_ENABLED': settings.ENABLE_SIGNUP,
+        'CAPTCHA_ENABLED': settings.HCAPTCHA_SITEKEY != '',
+        'TERMS_URL': settings.TERMS_URL,
+        'PRIVACY_URL': settings.PRIVACY_URL,
+        'IMPRINT_URL': settings.IMPRINT_URL,
+    }

cookbook/templates/account/login.html

@@ -28,7 +28,7 @@
                 <button class="btn btn-primary" type="submit">{% trans "Sign In" %}</button>
                 <a class="btn btn-success" href="{% url 'account_signup' %}">{% trans "Sign Up" %}</a>
 
-                {% if settings.EMAIL_HOST != '' %}
+                {% if EMAIL_ENABLED %}
                     <a class="btn btn-secondary"
                        href="{% url 'account_reset_password' %}">{% trans "Reset Password" %}</a>
                 {% endif %}

cookbook/templates/account/password_reset.html

@@ -13,7 +13,7 @@
         {% include "account/snippets/already_logged_in.html" %}
     {% endif %}
 
-    {% if settings.EMAIL_HOST != '' %}
+    {% if EMAIL_ENABLED %}
         <p>{% trans "Forgotten your password? Enter your e-mail address below, and we'll send you an e-mail allowing you to reset it." %}</p>
 
         <form method="POST" action="{% url 'account_reset_password' %}" class="password_reset">

cookbook/templates/account/signup.html

@@ -1,5 +1,6 @@
 {% extends "base.html" %}
 {% load crispy_forms_filters %}
+{% load crispy_forms_filters %}
 {% load i18n %}
 
 {% block title %}{% trans 'Register' %}{% endblock %}
@@ -10,7 +11,45 @@
 
     <form method="post">
         {% csrf_token %}
-        {{ form|crispy }}
+
+        <div class="form-group">
+            {{ form.username |as_crispy_field }}
+        </div>
+        <div class="form-group">
+            {{ form.email |as_crispy_field }}
+        </div>
+        <div class="form-group">
+            {{ form.password1 |as_crispy_field }}
+        </div>
+        <div class="form-group">
+            {{ form.password2 |as_crispy_field }}
+        </div>
+
+        {% if TERMS_URL != '' or PRIVACY_URL != '' %}
+            <div class="form-group">
+                {{ form.terms |as_crispy_field }}
+                <small>
+                    {% trans 'I accept the follwoing' %}
+                    {% if TERMS_URL != '' %}
+                        <a href="{{ TERMS_URL }}" target="_blank" rel="noreferrer nofollow">{% trans 'Terms and Conditions' %}</a>
+                    {% endif %}
+                {% if TERMS_URL != '' or PRIVACY_URL != '' %}
+                    {% trans 'and' %}
+                    {% endif %}
+                    {% if PRIVACY_URL != '' %}
+                        <a href="{{ PRIVACY_URL }}"  target="_blank" rel="noreferrer nofollow">{% trans 'Privacy Policy' %}</a>
+                    {% endif %}
+                </small>
+            </div>
+        {% endif %}
+
+         {% if CAPTCHA_ENABLED %}
+            <div class="form-group">
+                {{ form.captcha.errors }}
+                {{ form.captcha }}
+            </div>
+        {% endif %}
+
         <button class="btn btn-success" type="submit"><i class="fas fa-save"></i> {% trans 'Create User' %}</button>
     </form>
 

recipes/settings.py

@@ -64,6 +64,16 @@ CRISPY_TEMPLATE_PACK = 'bootstrap4'
 DJANGO_TABLES2_TEMPLATE = 'cookbook/templates/generic/table_template.html'
 DJANGO_TABLES2_PAGE_RANGE = 8
 
+HCAPTCHA_SITEKEY = ''  # os.getenv('HCAPTCHA_SITEKEY', '')
+HCAPTCHA_SECRET = ''  # os.getenv('HCAPTCHA_SECRET', '')
+
+
+ACCOUNT_SIGNUP_FORM_CLASS = 'cookbook.forms.AllAuthSignupForm'
+
+TERMS_URL = os.getenv('TERMS_URL', '')
+PRIVACY_URL = os.getenv('PRIVACY_URL', '')
+IMPRINT_URL = os.getenv('IMPRINT_URL', '')
+
 MESSAGE_TAGS = {
     messages.ERROR: 'danger'
 }
@@ -92,6 +102,7 @@ INSTALLED_APPS = [
     'django_cleanup.apps.CleanupConfig',
     'webpack_loader',
     'django_js_reverse',
+    'hcaptcha',
     'allauth',
     'allauth.account',
     'allauth.socialaccount',
@@ -185,6 +196,7 @@ TEMPLATES = [
                 'django.contrib.auth.context_processors.auth',
                 'django.contrib.messages.context_processors.messages',
                 'django.template.context_processors.media',
+                'cookbook.helper.context_processors.context_settings',
             ],
         },
     },

requirements.txt

@@ -39,3 +39,4 @@ django-cors-headers==3.7.0
 django-storages==1.11.1
 boto3==1.17.84
 django-prometheus==2.1.0
+django-hCaptcha==0.1.0