Add the NSFW mode

README.md

@@ -55,3 +55,5 @@ You can set the following variables in the `.env` file:
 * `KHAGANAT_FORCE_HTTPS`: If True, enable the use of `KHAGANAT_HTTPS_HEADER_NAME` and `KHAGANAT_HTTPS_HEADER_VALUE` to set the `SECURE_PROXY_SSL_HEADER` configuration option. Default is `False`.
 * `KHAGANAT_HTTPS_HEADER_NAME`: Header name for `SECURE_PROXY_SSL_HEADER`, default is `HTTP_X_FORWARDED_PROTO`.
 * `KHAGANAT_HTTPS_HEADER_VALUE`: Header value for `SECURE_PROXY_SSL_HEADER`, default is `https`.
+* `KHAGANAT_NSFW_TAGS`: Coma-separated list of words that triggers the content warning in logs, default is `\#nsfw`.
+* `KHAGANAT_NSFW_NAME`: Name of the cookie holding the NSFW allowance, default is `nsfw_allowed`.

khaganat/settings.py

@@ -183,3 +183,10 @@ if config('KHAGANAT_FORCE_HTTPS', default=False, cast=bool):
         config('KHAGANAT_HTTPS_HEADER_NAME', default='HTTP_X_FORWARDED_PROTO'),
         config('KHAGANAT_HTTPS_HEADER_VALUE', default='https')
     )
+
+
+# NSFW
+
+KHAGANAT_NSFW_TAGS = config('KHAGANAT_NSFW_TAGS', default='\\#nsfw', cast=Csv())
+KHAGANAT_NSFW_NAME = config('KHAGANAT_NSFW_NAME', default='nsfw_allowed')
+KHAGANAT_NSFW_OK = ('y', 'yes', 't', 'true', '1')

logs/views.py

@@ -6,6 +6,7 @@ from django.views import generic
 from django.conf import settings
 from django.urls import reverse
 from django.http import Http404
+from neluser import nsfw
 from .models import Source, Entry
 from .forms import SearchForm
 import datetime
@@ -102,6 +103,19 @@ class EntriesView(generic.ListView):
     template_name = 'logs/entries.html'
     allow_empty = False
 
+    def is_nsfw(self):
+        for e in self.get_queryset():
+            for tag in settings.KHAGANAT_NSFW_TAGS:
+                if tag.lower() in e.content.lower():
+                    return True
+        return False
+
+    def dispatch(self, request, *args, **kwargs):
+        if not nsfw.is_nsfw_allowed(request):
+            if self.is_nsfw():
+                return nsfw.redirect(request)
+        return super().dispatch(request, *args, **kwargs)
+
     def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
         context['date'] = datetime.date(

neluser/locale/en/LC_MESSAGES/django.po

@@ -2,7 +2,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: 1.0\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2018-02-04 15:56+0100\n"
+"POT-Creation-Date: 2018-05-27 18:28+0200\n"
 "PO-Revision-Date: 2018-02-04 01:03+0100\n"
 "Last-Translator: Khaganat <assoc@khaganat.net>\n"
 "Language-Team: Khaganat <assoc@khaganat.net>\n"
@@ -38,11 +38,19 @@ msgstr ""
 msgid "date joined"
 msgstr ""
 
-#: models.py:65
+#: models.py:58
+msgid "NSFW flag"
+msgstr ""
+
+#: models.py:61
+msgid "Indicate whether or not adult or sensitive content should be displayed."
+msgstr ""
+
+#: models.py:73
 msgid "user"
 msgstr ""
 
-#: models.py:66
+#: models.py:74
 msgid "users"
 msgstr ""
 
@@ -58,6 +66,7 @@ msgstr "Your account has been activated."
 
 #: templates/neluser/activate_done.html:10 templates/neluser/login.html:4
 #: templates/neluser/login.html:12
+#: templates/neluser/password_reset_done.html:10
 msgid "login"
 msgstr ""
 
@@ -97,6 +106,40 @@ msgstr ""
 msgid "forgotten_password"
 msgstr "forgotten password"
 
+#: templates/neluser/nsfw.html:4 templates/neluser/nsfw.html:8
+msgid "NSFW content"
+msgstr ""
+
+#: templates/neluser/nsfw.html:9
+msgid ""
+"The content you were about to see is flagged as sensitive and therefore "
+"cannot be seen while the safe mode is activated."
+msgstr ""
+
+#: templates/neluser/nsfw.html:11
+msgid "Go back home"
+msgstr ""
+
+#: templates/neluser/nsfw.html:12
+msgid "Permanently disable safe mode"
+msgstr ""
+
+#: templates/neluser/nsfw.html:14
+msgid "Or disable safe mode for:"
+msgstr ""
+
+#: templates/neluser/nsfw.html:15
+msgid "5 minutes"
+msgstr ""
+
+#: templates/neluser/nsfw.html:16
+msgid "1 hour"
+msgstr ""
+
+#: templates/neluser/nsfw.html:17
+msgid "1 day"
+msgstr ""
+
 #: templates/neluser/password_reset.html:4
 #: templates/neluser/password_reset_confirm.html:4
 #: templates/neluser/password_reset_done.html:4
@@ -120,7 +163,7 @@ msgstr "change my password"
 msgid "reset_password_invalid_link"
 msgstr "Sorry, we are unable to reset your password."
 
-#: templates/neluser/password_reset_done.html:8
+#: templates/neluser/password_reset_done.html:9
 msgid "password_reset_success"
 msgstr "Your password has been changed."
 
@@ -139,8 +182,9 @@ msgstr ""
 
 #: templates/neluser/password_reset_email_sent.html:8
 msgid "password_reset_success_email"
-msgstr "An email has been sent to your address. Please follow the link given "
-"in this email to reset your password."
+msgstr ""
+"An email has been sent to your address. Please follow the link given in this "
+"email to reset your password."
 
 #: templates/neluser/password_reset_email_subject.txt:2
 #, python-format

neluser/locale/fr/LC_MESSAGES/django.po

@@ -2,7 +2,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: 1.0\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2018-02-04 15:56+0100\n"
+"POT-Creation-Date: 2018-05-27 18:28+0200\n"
 "PO-Revision-Date: 2018-02-04 01:03+0100\n"
 "Last-Translator: Khaganat <assoc@khaganat.net>\n"
 "Language-Team: Khaganat <assoc@khaganat.net>\n"
@@ -40,11 +40,19 @@ msgstr ""
 msgid "date joined"
 msgstr "date d'inscription"
 
-#: models.py:65
+#: models.py:58
+msgid "NSFW flag"
+msgstr "Affichage du contenu sensible"
+
+#: models.py:61
+msgid "Indicate whether or not adult or sensitive content should be displayed."
+msgstr "Indique si le contenu adulte ou choquant doit être ou non affiché."
+
+#: models.py:73
 msgid "user"
 msgstr "utilisateur"
 
-#: models.py:66
+#: models.py:74
 msgid "users"
 msgstr "utilisateurs"
 
@@ -60,6 +68,7 @@ msgstr "compte activé"
 
 #: templates/neluser/activate_done.html:10 templates/neluser/login.html:4
 #: templates/neluser/login.html:12
+#: templates/neluser/password_reset_done.html:10
 msgid "login"
 msgstr "connexion"
 
@@ -99,6 +108,43 @@ msgstr "Activation de compte sur %(site_name)s"
 msgid "forgotten_password"
 msgstr "mot de passe oublié"
 
+#: templates/neluser/nsfw.html:4 templates/neluser/nsfw.html:8
+msgid "NSFW content"
+msgstr "Contenu sensible"
+
+#: templates/neluser/nsfw.html:9
+msgid ""
+"The content you were about to see is flagged as sensitive and therefore "
+"cannot be seen while the safe mode is activated."
+msgstr ""
+"Le contenu que vous vous apprêtiez à consulter est indiqué comme pouvant "
+"choquer la sensibilité et ne peut donc pas être affiché tant que la "
+"navigation filtrée est activée."
+
+#: templates/neluser/nsfw.html:11
+msgid "Go back home"
+msgstr "Retourner à l'accueil"
+
+#: templates/neluser/nsfw.html:12
+msgid "Permanently disable safe mode"
+msgstr "Définitivement désactiver la navigation filtrée"
+
+#: templates/neluser/nsfw.html:14
+msgid "Or disable safe mode for:"
+msgstr "Ou désactiver la navigation filtrée pour :"
+
+#: templates/neluser/nsfw.html:15
+msgid "5 minutes"
+msgstr "5 minutes"
+
+#: templates/neluser/nsfw.html:16
+msgid "1 hour"
+msgstr "1 heure"
+
+#: templates/neluser/nsfw.html:17
+msgid "1 day"
+msgstr "1 jour"
+
 #: templates/neluser/password_reset.html:4
 #: templates/neluser/password_reset_confirm.html:4
 #: templates/neluser/password_reset_done.html:4
@@ -122,7 +168,7 @@ msgstr "Modifier mon mot de passe"
 msgid "reset_password_invalid_link"
 msgstr "Désolé, nous ne sommes pas en mesure de modifier votre mot de passe."
 
-#: templates/neluser/password_reset_done.html:8
+#: templates/neluser/password_reset_done.html:9
 msgid "password_reset_success"
 msgstr "Votre mot de passe a été modifié."
 
@@ -144,8 +190,9 @@ msgstr ""
 
 #: templates/neluser/password_reset_email_sent.html:8
 msgid "password_reset_success_email"
-msgstr "Un message a été envoyé sur votre messagerie électronique. Veuillez "
-"suivre le lien donné dans ce message afin de réinitialiser votre mot de passe."
+msgstr ""
+"Un message a été envoyé sur votre messagerie électronique. Veuillez suivre "
+"le lien donné dans ce message afin de réinitialiser votre mot de passe."
 
 #: templates/neluser/password_reset_email_subject.txt:2
 #, python-format

neluser/migrations/0003_neluser_nsfw_allowed.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.0.2 on 2018-05-27 10:04
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('neluser', '0002_auto_20180204_2035'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='neluser',
+            name='nsfw_allowed',
+            field=models.BooleanField(default=False, help_text='Indicate whether or not adult or sensitive content should be displayed.', verbose_name='NSFW flag'),
+        ),
+    ]

neluser/models.py

@@ -54,6 +54,14 @@ class NelUser(AbstractBaseUser, PermissionsMixin):
         ),
     )
     date_joined = models.DateTimeField(_('date joined'), default=timezone.now)
+    nsfw_allowed = models.BooleanField(
+        _('NSFW flag'),
+        default=False,
+        help_text=_(
+            'Indicate whether or not adult or sensitive content should '
+            'be displayed.'
+        )
+    )
 
     objects = NelUserManager()
 

neluser/nsfw.py

@@ -0,0 +1,62 @@
+from django.http import HttpResponseRedirect, QueryDict
+from django.urls.exceptions import Resolver404
+from django.shortcuts import render
+from neluser.models import NelUser
+from django.urls import reverse, resolve
+from django.conf import settings
+
+
+def is_link_legit(url):
+    try:
+        resolve(url)
+    except Resolver404:
+        return False
+    return True
+
+
+def is_nsfw_allowed(request):
+    if isinstance(request.user, NelUser):
+        if request.user.nsfw_allowed:
+            return True
+    s = request.COOKIES.get(settings.KHAGANAT_NSFW_NAME) or ''
+    return s.lower() in settings.KHAGANAT_NSFW_OK
+
+
+def disable_view(request, max_age):
+    try:
+        max_age = int(max_age) or None
+    except ValueError:
+        max_age = None
+    next_url = QueryDict(request.META.get('QUERY_STRING')).get('next') or '/'
+    if not is_link_legit(next_url):
+        next_url = '/'
+    response = HttpResponseRedirect(next_url)
+    if isinstance(request.user, NelUser) and not max_age:
+        request.user.nsfw_allowed = True
+        request.user.save()
+    else:
+        response.set_cookie(
+            settings.KHAGANAT_NSFW_NAME,
+            'true',
+            max_age=max_age
+        )
+    return response
+
+
+def warn_view(request):
+    next_url = QueryDict(request.META.get('QUERY_STRING')).get('next') or '/'
+    if not is_link_legit(next_url):
+        next_url = '/'
+    context = {
+        'next_url': next_url,
+        'is_authenticated': request.user.is_authenticated,
+    }
+    return render(request, 'neluser/nsfw.html', context=context)
+
+
+def redirect(request):
+    dest = '{to_url}?next={next_url}'.format(
+        to_url=reverse(warn_view),
+        next_url=request.get_full_path()
+    )
+    return HttpResponseRedirect(dest)

neluser/templates/neluser/nsfw.html

@@ -0,0 +1,20 @@
+{% extends "khaganat/base.html" %}
+{% load i18n %}
+
+{% block title %}{% trans "NSFW content" %}{% endblock %}
+
+{% block content %}
+<div class="content-bloc">
+    <h2>{% trans "NSFW content" %}</h2>
+    <p>{% trans "The content you were about to see is flagged as sensitive and therefore cannot be seen while the safe mode is activated." %}</p>
+    <div>
+        <a class="btn btn-primary" href="{% url "index" %}" role="button">{% trans "Go back home" %}</a>
+        <a class="btn btn-danger" href="{% url "disable_nsfw" "0" %}?next={{ next_url }}" role="button">{% trans "Permanently disable safe mode" %}</a>
+        <br>
+        {% trans "Or disable safe mode for:" %}
+        <a class="badge badge-warning" href="{% url "disable_nsfw" "300" %}?next={{ next_url }}">{% trans "5 minutes" %}</a>
+        <a class="badge badge-warning" href="{% url "disable_nsfw" "3600" %}?next={{ next_url }}">{% trans "1 hour" %}</a>
+        <a class="badge badge-warning" href="{% url "disable_nsfw" "86400" %}?next={{ next_url }}">{% trans "1 day" %}</a>
+    </div>
+</div>
+{% endblock %}

neluser/urls.py

@@ -1,6 +1,7 @@
 from django.contrib.auth import views as auth_views
 from django.urls import reverse_lazy, path
 from . import views
+from . import nsfw
 
 
 urlpatterns = [
@@ -61,4 +62,8 @@ urlpatterns = [
         ),
         name='password_reset_complete'
     ),
+
+    # NSFW
+    path('nsfw/', nsfw.warn_view, name='nsfw'),
+    path('nsfw/disable/<max_age>/', nsfw.disable_view, name='disable_nsfw'),
 ]