feat: throttle download speed for archived builds

docker/dev/nginx/nginx.conf

@@ -72,6 +72,7 @@ server {
         limit_req zone=media burst=3 nodelay;
         limit_conn addr 1;
         limit_rate 3m;
+        internal;
 
         alias /home/shipper/web/media/;
     }

docker/nginx/nginx.conf

@@ -42,6 +42,7 @@ server {
         limit_req zone=media burst=3 nodelay;
         limit_conn addr 1;
         limit_rate 3m;
+        internal;
 
         alias /home/shipper/web/media/;
     }

server/config/settings.py

@@ -262,6 +262,11 @@
         "load problems.",
         bool,
     ),
+    "SHIPPER_DOWNLOADS_ARCHIVE_THROTTLE": (
+        1,
+        "Throttles the download speed of archived builds, in MB/s.",
+        int,
+    ),
     "SHIPPER_UPLOAD_VARIANTS": (
         '{"gapps": "GApps","vanilla": "Vanilla (no GApps)","foss": "FOSS","goapps": '
         '"GoApps (Android Go Edition GApps)"}',
@@ -296,7 +301,10 @@
         "SHIPPER_DOWNLOADS_PAGE_DONATION_URL",
         "SHIPPER_DOWNLOADS_PAGE_DONATION_MESSAGE",
     ),
-    "Download": ("SHIPPER_DOWNLOADS_DISABLE_MAIN_SERVER",),
+    "Download": (
+        "SHIPPER_DOWNLOADS_DISABLE_MAIN_SERVER",
+        "SHIPPER_DOWNLOADS_ARCHIVE_THROTTLE",
+    ),
     "Upload": (
         "SHIPPER_UPLOAD_VARIANTS",
         "SHIPPER_FILE_NAME_FORMAT",

server/downloads/templates/downloads_build.html

@@ -29,6 +29,14 @@ <h1>{% blocktranslate %}Downloads for {{ object }}{% endblocktranslate %}</h1>
 
     {% include 'debug_warning.html' %}
 
+    <!-- Build archive check -->
+    {% if object.is_archived == True %}
+        <div class="alert alert-warning" role="alert">
+            <h4 class="alert-heading">{% translate "Warning" %}</h4>
+            <p class="mb-0">{% translate "This build has been archived! You may experience slower download speeds with this build." %}</p>
+        </div>
+    {% endif %}
+
     {% include 'donation_alert.html' %}
 
     <h2>{% translate "Build information" %}</h2>

server/downloads/urls.py

@@ -5,6 +5,7 @@
     DownloadsDeviceView,
     DownloadsMainView,
     LanguageSwitchView,
+    download_view,
 )
 
 urlpatterns = [
@@ -20,4 +21,7 @@
         name="downloads_build",
     ),
     path("language_switch/", LanguageSwitchView.as_view(), name="language_switch"),
+    path(
+        "media/<slug:codename>/<slug:file_name>/", download_view, name="download_view"
+    ),
 ]

server/downloads/views.py

@@ -1,9 +1,12 @@
+from django.http import HttpResponse
 from django.shortcuts import get_object_or_404
 from django.urls import reverse
-from django.views.generic import DetailView, ListView, TemplateView
+from django.views.generic import DetailView, TemplateView
 from django.shortcuts import render
 from core.models import Build, Device
 
+from constance import config
+
 
 class DownloadsMainView(TemplateView):
     template_name = "downloads_main.html"
@@ -53,3 +56,15 @@
         if not redirect_url:
             redirect_url = "/"
         return render(request, self.template_name, {"redirect_to": redirect_url})
+
+
+def download_view(request, codename, file_name):
+    build = get_object_or_404(Build, file_name=file_name, device__codename=codename)
+    response = HttpResponse()
+    response["X-Accel-Redirect"] = f"/media/{codename}/{file_name}"
+
+    if build.is_archived:
+        limit_speed = config.SHIPPER_DOWNLOADS_ARCHIVE_THROTTLE * 1000
+        response["X-Accel-Limit-Rate"] = str(limit_speed)
+
+    return response