[RFC 03/11] REST: Add Projects to the API

Andy Doan andy.doan at linaro.org
Sat Apr 16 04:23:59 AEST 2016


This exports projects via the REST API.

Security Constraints:
 * Anyone (logged in or not) can read all objects.
 * No one can create/delete objects.
 * Project maintainers are allowed to update (ie "patch"
   attributes)

Signed-off-by: Andy Doan <andy.doan at linaro.org>
Inspired-by: Damien Lespiau <damien.lespiau at intel.com>
---
 patchwork/tests/test_rest_api.py | 108 +++++++++++++++++++++++++++++++++++++++
 patchwork/views/rest_api.py      |  44 +++++++++++++++-
 2 files changed, 150 insertions(+), 2 deletions(-)
 create mode 100644 patchwork/tests/test_rest_api.py

diff --git a/patchwork/tests/test_rest_api.py b/patchwork/tests/test_rest_api.py
new file mode 100644
index 0000000..6f2f988
--- /dev/null
+++ b/patchwork/tests/test_rest_api.py
@@ -0,0 +1,108 @@
+# Patchwork - automated patch tracking system
+# Copyright (C) 2016 Linaro Corporation
+#
+# This file is part of the Patchwork package.
+#
+# Patchwork is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# Patchwork is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Patchwork; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+import unittest
+
+from django.conf import settings
+
+from rest_framework import status
+from rest_framework.test import APITestCase
+
+from patchwork.models import Project
+from patchwork.tests.utils import defaults, create_maintainer, create_user
+
+
+ at unittest.skipUnless(settings.ENABLE_REST_API, 'requires ENABLE_REST_API')
+class TestProjectAPI(APITestCase):
+    fixtures = ['default_states']
+
+    def test_list_simple(self):
+        """Validate we can list the default test project."""
+        defaults.project.save()
+        resp = self.client.get('/api/1.0/projects/')
+        self.assertEqual(status.HTTP_200_OK, resp.status_code)
+        self.assertEqual(1, resp.data['count'])
+        proj = resp.data['results'][0]
+        self.assertEqual(defaults.project.linkname, proj['linkname'])
+        self.assertEqual(defaults.project.name, proj['name'])
+        self.assertEqual(defaults.project.listid, proj['listid'])
+
+    def test_get(self):
+        """Validate we can get a specific project."""
+        defaults.project.save()
+        resp = self.client.get('/api/1.0/projects/1/')
+        self.assertEqual(status.HTTP_200_OK, resp.status_code)
+        self.assertEqual(defaults.project.name, resp.data['name'])
+
+    def test_anonymous_writes(self):
+        """Ensure anonymous "write" operations are rejected."""
+        defaults.project.save()
+        # create
+        resp = self.client.post(
+            '/api/1.0/projects/',
+            {'linkname': 'l', 'name': 'n', 'listid': 'l', 'listemail': 'e'})
+        self.assertEqual(status.HTTP_403_FORBIDDEN, resp.status_code)
+        # update
+        resp = self.client.patch('/api/1.0/projects/1/', {'linkname': 'foo'})
+        self.assertEqual(status.HTTP_403_FORBIDDEN, resp.status_code)
+        # delete
+        resp = self.client.delete('/api/1.0/projects/1/')
+        self.assertEqual(status.HTTP_403_FORBIDDEN, resp.status_code)
+
+    def test_create(self):
+        """Ensure creations are rejected."""
+        defaults.project.save()
+
+        user = create_maintainer(defaults.project)
+        user.is_superuser = True
+        user.save()
+        self.client.force_authenticate(user=user)
+        resp = self.client.post(
+            '/api/1.0/projects/',
+            {'linkname': 'l', 'name': 'n', 'listid': 'l', 'listemail': 'e'})
+        self.assertEqual(status.HTTP_403_FORBIDDEN, resp.status_code)
+
+    def test_update(self):
+        """Ensure updates can be performed maintainers."""
+        defaults.project.save()
+
+        # A maintainer can update
+        user = create_maintainer(defaults.project)
+        self.client.force_authenticate(user=user)
+        resp = self.client.patch('/api/1.0/projects/1/', {'linkname': 'TEST'})
+        self.assertEqual(status.HTTP_200_OK, resp.status_code)
+
+        # A normal user can't
+        user = create_user()
+        self.client.force_authenticate(user=user)
+        resp = self.client.patch('/api/1.0/projects/1/', {'linkname': 'TEST'})
+        self.assertEqual(status.HTTP_403_FORBIDDEN, resp.status_code)
+
+    def test_delete(self):
+        """Ensure deletions are rejected."""
+        defaults.project.save()
+
+        # Even an admin can't remove a project
+        user = create_maintainer(defaults.project)
+        user.is_superuser = True
+        user.save()
+        self.client.force_authenticate(user=user)
+        resp = self.client.delete('/api/1.0/projects/1/')
+        self.assertEqual(status.HTTP_403_FORBIDDEN, resp.status_code)
+        self.assertEqual(1, Project.objects.all().count())
diff --git a/patchwork/views/rest_api.py b/patchwork/views/rest_api.py
index e451770..a4f6886 100644
--- a/patchwork/views/rest_api.py
+++ b/patchwork/views/rest_api.py
@@ -19,9 +19,49 @@
 
 from django.conf.urls import url, include
 
-from rest_framework import routers
+from patchwork.models import Project
 
-router = routers.DefaultRouter()
+from rest_framework import permissions
+from rest_framework.pagination import PageNumberPagination
+from rest_framework.routers import DefaultRouter
+from rest_framework.serializers import ModelSerializer
+from rest_framework.viewsets import ModelViewSet
+
+
+class PageSizePagination(PageNumberPagination):
+    """Overide base class to enable the "page_size" query parameter."""
+    page_size = 30
+    page_size_query_param = 'page_size'
+
+
+class PatchworkPermission(permissions.BasePermission):
+    """This permission works for Project and Patch model objects"""
+    def has_permission(self, request, view):
+        if request.method in ('POST', 'DELETE'):
+            return False
+        return super(PatchworkPermission, self).has_permission(request, view)
+
+    def has_object_permission(self, request, view, obj):
+        # read only for everyone
+        if request.method in permissions.SAFE_METHODS:
+            return True
+        return obj.is_editable(request.user)
+
+
+class ProjectSerializer(ModelSerializer):
+    class Meta:
+        model = Project
+
+
+class ProjectViewSet(ModelViewSet):
+    permission_classes = (PatchworkPermission,)
+    queryset = Project.objects.all()
+    serializer_class = ProjectSerializer
+    pagination_class = PageSizePagination
+
+
+router = DefaultRouter()
+router.register('projects', ProjectViewSet, 'project')
 
 urlpatterns = [
     url(r'^api/1.0/', include(router.urls)),
-- 
2.7.4



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