don't download fonts when Save-Data is on

liberapay · Sep 30, 2024 · c4d811e · c4d811e
1 parent fe08cbf
commit c4d811e
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diff --git a/liberapay/utils/state_chain.py b/liberapay/utils/state_chain.py
@@ -22,6 +22,7 @@ def attach_environ_to_request(environ, request):
     except UnicodeDecodeError:
         request.hostname = ''
     request.subdomain = None
+    request.save_data = request.headers.get(b'Save-Data') == b'on'
 
 
 def create_response_object(request, website):

diff --git a/style/base/10-fonts.scss → style/fonts.scss b/style/base/10-fonts.scss → style/fonts.scss
diff --git a/templates/layouts/base.html b/templates/layouts/base.html
@@ -13,6 +13,9 @@
     <link rel="icon" href="{{ website.asset('liberapay/icon-v2_black.16.png') }}" type="image/png">
     <link rel="apple-touch-icon" href="{{ website.asset('liberapay/icon-v2_black-on-yellow.200.png') }}">
     <link rel="stylesheet" href="{{ website.asset('bootstrap/css/bootstrap.css') }}">
+    % if not request.save_data
+    <link rel="stylesheet" href="{{ website.asset('fonts.css') }}" type="text/css">
+    % endif
     <link rel="stylesheet" href="{{ website.asset('base.css') }}" type="text/css">
     % block head_alternates
     % if request.method in constants.SAFE_METHODS and response.code == 200

diff --git a/www/assets/fonts.css.spt b/www/assets/fonts.css.spt
@@ -0,0 +1,3 @@
+[---]
+[---] text/css via scss
+@import "style/fonts";