From 5c32164f8fa17f46b38ed29bb8920394a31e8dc6 Mon Sep 17 00:00:00 2001
From: Steve Jalim <stevejalim@mozilla.com>
Date: Wed, 27 Nov 2024 09:42:01 +0000
Subject: [PATCH] Add support for redirecting all of builders/* paths to a
 separate builders.m.o domain

---
 birdbox/birdbox/urls.py            |  5 +++--
 birdbox/common/tests/test_views.py | 29 +++++++++++++++++++++++++++++
 birdbox/common/views.py            |  5 +++++
 3 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/birdbox/birdbox/urls.py b/birdbox/birdbox/urls.py
index 5cc77871..e2903384 100644
--- a/birdbox/birdbox/urls.py
+++ b/birdbox/birdbox/urls.py
@@ -5,7 +5,7 @@
 from django.conf import settings
 from django.contrib import admin
 from django.http import HttpResponse, HttpResponseForbidden
-from django.urls import include, path
+from django.urls import include, path, re_path
 from django.utils.module_loading import import_string
 from django.views.defaults import permission_denied
 
@@ -18,7 +18,7 @@
 from wagtail.documents import urls as wagtaildocs_urls
 from watchman import views as watchman_views
 
-from common.views import csrf_failure, rate_limited
+from common.views import csrf_failure, rate_limited, redirect_view
 from microsite import urls as microsite_urls
 
 handler500 = "common.views.server_error_view"
@@ -39,6 +39,7 @@ def handler403(request, exception=None):
     path("documents/", include(wagtaildocs_urls)),
     path("healthz/", watchman_views.ping, name="watchman.ping"),
     path("readiness/", watchman_views.status, name="watchman.status"),
+    re_path("^builders/", redirect_view, {"dest": "https://builders.mozilla.org"}),
     path("", include(microsite_urls)),
     path(
         "robots.txt",
diff --git a/birdbox/common/tests/test_views.py b/birdbox/common/tests/test_views.py
index f0205778..c6e06220 100644
--- a/birdbox/common/tests/test_views.py
+++ b/birdbox/common/tests/test_views.py
@@ -47,3 +47,32 @@ def test_robots_txt(client, engage_robots, expected_content):
 @pytest.mark.django_db
 def test_csrf_view_is_custom_one():
     assert settings.CSRF_FAILURE_VIEW == "common.views.csrf_failure"
+
+
+@pytest.mark.django_db
+@pytest.mark.parametrize(
+    "path",
+    (
+        "/builders/",
+        "/builders/some/deeper/path/",
+    ),
+)
+def test_builders_redirect(path, client):
+    resp = client.get(path, follow=False)
+    assert resp.headers["location"] == "https://builders.mozilla.org"
+
+
+@pytest.mark.django_db
+def test_builders_redirect_does_not_affect_anyting_else(client, minimal_site_with_blog):
+    from microsite.models import BlogPage
+
+    bp1, bp2_featured, bp3 = BlogPage.objects.live().all()
+
+    resp = client.get(bp1.url, follow=False)
+    assert resp.status_code == 200
+
+    resp = client.get(bp2_featured.url, follow=False)
+    assert resp.status_code == 200
+
+    resp = client.get(bp3.url, follow=False)
+    assert resp.status_code == 200
diff --git a/birdbox/common/views.py b/birdbox/common/views.py
index 0dd41984..e15b1aa6 100644
--- a/birdbox/common/views.py
+++ b/birdbox/common/views.py
@@ -2,6 +2,7 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at https://mozilla.org/MPL/2.0/.
 
+from django.http import HttpResponsePermanentRedirect
 from django.shortcuts import render
 from django.views.decorators.cache import never_cache
 
@@ -26,3 +27,7 @@ def rate_limited(request, exception):
     response = render(request, "429.html", status=429)
     response["Retry-After"] = "60"
     return response
+
+
+def redirect_view(request, **kwargs):
+    return HttpResponsePermanentRedirect(kwargs["dest"])