Allow admins to trigger project builds (#4207)

readthedocs/builds/views.py

@@ -6,9 +6,13 @@
 
 from django.shortcuts import get_object_or_404
 from django.views.generic import ListView, DetailView
-from django.http import HttpResponsePermanentRedirect, HttpResponseRedirect
-from django.conf import settings
+from django.http import (
+    HttpResponseForbidden,
+    HttpResponsePermanentRedirect,
+    HttpResponseRedirect,
+)
 from django.contrib.auth.decorators import login_required
+from readthedocs.core.permissions import AdminPermission
 from django.core.urlresolvers import reverse
 from django.utils.decorators import method_decorator
 
@@ -38,10 +42,11 @@ class BuildTriggerMixin(object):
 
     @method_decorator(login_required)
     def post(self, request, project_slug):
-        project = get_object_or_404(
-            Project.objects.for_admin_user(self.request.user),
-            slug=project_slug
-        )
+        project = get_object_or_404(Project, slug=project_slug)
+
+        if not AdminPermission.is_admin(request.user, project):
+            return HttpResponseForbidden()
+
         version_slug = request.POST.get('version_slug')
         version = get_object_or_404(
             Version,