Issue #1886: Bad request when use project.slug instead project.id in API calls

taiga/base/filters.py

@@ -15,6 +15,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 import operator
 from functools import reduce
+import logging
 
 from django.db.models import Q
 from django.db.models.sql.where import ExtraWhere, OR, AND
@@ -22,9 +23,12 @@ from django.db.models.sql.where import ExtraWhere, OR, AND
 from rest_framework import filters
 
 from taiga.base import tags
+from taiga.base import exceptions as exc
 
 from taiga.projects.models import Membership
 
+logger = logging.getLogger(__name__)
+
 
 class QueryParamsFilterMixin(filters.BaseFilterBackend):
     _special_values_dict = {
@@ -92,8 +96,13 @@ class PermissionBasedFilterBackend(FilterBackend):
 
     def filter_queryset(self, request, queryset, view):
         project_id = None
-        if hasattr(view, "filter_fields") and "project" in view.filter_fields:
+        if (hasattr(view, "filter_fields") and "project" in view.filter_fields and
-            project_id = request.QUERY_PARAMS.get("project", None)
+                "project" in request.QUERY_PARAMS):
+            try:
+                project_id = int(request.QUERY_PARAMS["project"])
+            except:
+                logger.error("Filtering project diferent value than an integer: {}".format(request.QUERY_PARAMS["project"]))
+                raise exc.BadRequest("'project' must be an integer value.")
 
         qs = queryset
 
@@ -103,11 +112,13 @@ class PermissionBasedFilterBackend(FilterBackend):
             memberships_qs = Membership.objects.filter(user=request.user)
             if project_id:
                 memberships_qs = memberships_qs.filter(project_id=project_id)
-            memberships_qs = memberships_qs.filter(Q(role__permissions__contains=[self.permission]) | Q(is_owner=True))
+            memberships_qs = memberships_qs.filter(Q(role__permissions__contains=[self.permission]) |
+                                                   Q(is_owner=True))
 
             projects_list = [membership.project_id for membership in memberships_qs]
 
-            qs = qs.filter(Q(project_id__in=projects_list) | Q(project__public_permissions__contains=[self.permission]))
+            qs = qs.filter(Q(project_id__in=projects_list) |
+                           Q(project__public_permissions__contains=[self.permission]))
         else:
             qs = qs.filter(project__anon_permissions__contains=[self.permission])
 
@@ -171,8 +182,13 @@ class CanViewWikiAttachmentFilterBackend(PermissionBasedAttachmentFilterBackend)
 class CanViewProjectObjFilterBackend(FilterBackend):
     def filter_queryset(self, request, queryset, view):
         project_id = None
-        if hasattr(view, "filter_fields") and "project" in view.filter_fields:
+        if (hasattr(view, "filter_fields") and "project" in view.filter_fields and
-            project_id = request.QUERY_PARAMS.get("project", None)
+                "project" in request.QUERY_PARAMS):
+            try:
+                project_id = int(request.QUERY_PARAMS["project"])
+            except:
+                logger.error("Filtering project diferent value than an integer: {}".format(request.QUERY_PARAMS["project"]))
+                raise exc.BadRequest("'project' must be an integer value.")
 
         qs = queryset
 
@@ -182,7 +198,8 @@ class CanViewProjectObjFilterBackend(FilterBackend):
             memberships_qs = Membership.objects.filter(user=request.user)
             if project_id:
                 memberships_qs = memberships_qs.filter(project_id=project_id)
-            memberships_qs = memberships_qs.filter(Q(role__permissions__contains=['view_project']) | Q(is_owner=True))
+            memberships_qs = memberships_qs.filter(Q(role__permissions__contains=['view_project']) |
+                                                   Q(is_owner=True))
 
             projects_list = [membership.project_id for membership in memberships_qs]
 

tests/integration/resources_permissions/test_issues_resources.py

@@ -205,6 +205,25 @@ def test_issue_list(client, data):
     assert response.status_code == 200
 
 
+def test_issue_list_filter_by_project_ok(client, data):
+    url = "{}?project={}".format(reverse("issues-list"), data.public_project.pk)
+
+    client.login(data.project_owner)
+    response = client.get(url)
+
+    assert response.status_code == 200
+    assert len(response.data) == 1
+
+
+def test_issue_list_filter_by_project_error(client, data):
+    url = "{}?project={}".format(reverse("issues-list"), "-ERROR-")
+
+    client.login(data.project_owner)
+    response = client.get(url)
+
+    assert response.status_code == 400
+
+
 def test_issue_create(client, data):
     url = reverse('issues-list')