Merge branch '37-guardian' into 'master'

Resolve "Guardian"

Closes #37

See merge request BeryJu.org/passbook!23

passbook/core/migrations/0023_remove_user_applications.py

@@ -0,0 +1,17 @@
+# Generated by Django 2.2 on 2019-04-13 15:51
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('passbook_core', '0022_nonce_expiring'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='user',
+            name='applications',
+        ),
+    ]

passbook/core/models.py

@@ -47,7 +47,6 @@ class User(AbstractUser):
     name = models.TextField()
 
     sources = models.ManyToManyField('Source', through='UserSourceConnection')
-    applications = models.ManyToManyField('Application')
     groups = models.ManyToManyField('Group')
     password_change_date = models.DateTimeField(auto_now_add=True)
 

passbook/core/requirements.txt

@@ -1,5 +1,6 @@
 celery
 colorlog
+django-guardian
 django-ipware
 django-model-utils
 django-redis

passbook/core/settings.py

@@ -58,7 +58,8 @@ SESSION_CACHE_ALIAS = "default"
 LANGUAGE_COOKIE_NAME = 'passbook_language'
 
 AUTHENTICATION_BACKENDS = [
-    'django.contrib.auth.backends.ModelBackend'
+    'django.contrib.auth.backends.ModelBackend',
+    'guardian.backends.ObjectPermissionBackend',
 ]
 
 # Application definition
@@ -73,6 +74,7 @@ INSTALLED_APPS = [
     'django.contrib.postgres',
     'rest_framework',
     'drf_yasg',
+    'guardian',
     'passbook.core.apps.PassbookCoreConfig',
     'passbook.admin.apps.PassbookAdminConfig',
     'passbook.api.apps.PassbookAPIConfig',

passbook/core/views/overview.py

@@ -2,8 +2,7 @@
 
 from django.contrib.auth.mixins import LoginRequiredMixin
 from django.views.generic import TemplateView
-
+from guardian.shortcuts import get_objects_for_user
-from passbook.core.models import Application
 
 
 class OverviewView(LoginRequiredMixin, TemplateView):
@@ -13,7 +12,6 @@ class OverviewView(LoginRequiredMixin, TemplateView):
     template_name = 'overview/index.html'
 
     def get_context_data(self, **kwargs):
-        kwargs['applications'] = self.request.user.applications.all()
+        kwargs['applications'] = get_objects_for_user(self.request.user,
-        if self.request.user.is_superuser:
+                                                      'passbook_core.view_application')
-            kwargs['applications'] = Application.objects.all()
         return super().get_context_data(**kwargs)