add nginx virtual host for files.pub.solar

hosts/nachtigall/apps/nginx-mastodon-files.nix

@@ -0,0 +1,62 @@
+{ ... }:
+
+let
+  objStorHost = "link.tardigradeshare.io";
+  objStorBucket = "s/jw24ad6l4a6zxsnd32cmf5hp5nsq/pub-solar-mastodon";
+in
+{
+  services.nginx.virtualHosts = {
+    "files.pub.solar" = {
+      default = true;
+      enableACME = true;
+
+      locations = {
+        "= /" = {
+          index = "index.html";
+        };
+
+        "/" = {
+          tryFiles = "$uri @s3";
+        };
+
+        "@s3" = {
+          extraConfig = ''
+            limit_except GET {
+              deny all;
+            }
+
+            resolver 8.8.8.8;
+            proxy_set_header Host $host;
+            proxy_set_header Connection \'\';
+            proxy_set_header Authorization \'\';
+            proxy_hide_header Set-Cookie;
+            proxy_hide_header 'Access-Control-Allow-Origin';
+            proxy_hide_header 'Access-Control-Allow-Methods';
+            proxy_hide_header 'Access-Control-Allow-Headers';
+            proxy_hide_header x-amz-id-2;
+            proxy_hide_header x-amz-request-id;
+            proxy_hide_header x-amz-meta-server-side-encryption;
+            proxy_hide_header x-amz-server-side-encryption;
+            proxy_hide_header x-amz-bucket-region;
+            proxy_hide_header x-amzn-requestid;
+            proxy_ignore_headers Set-Cookie;
+            proxy_pass https://${objStorHost}/${objStorBucket}$request_uri?download;
+            proxy_intercept_errors off;
+
+            proxy_cache mastodon_files;
+            proxy_cache_valid 200 48h;
+            proxy_cache_use_stale error timeout updating http_500 http_502 http_503 http_504;
+            proxy_cache_lock on;
+
+            expires 1y;
+            add_header Cache-Control public;
+            add_header 'Access-Control-Allow-Origin' '*';
+            add_header X-Cache-Status $upstream_cache_status;
+            add_header X-Content-Type-Options nosniff;
+            add_header Content-Security-Policy "default-src 'none'; form-action 'none'";
+          '';
+        };
+      };
+    };
+  };
+}

hosts/nachtigall/default.nix

@@ -10,6 +10,7 @@
       ./nix.nix
       ./apps/nginx.nix
 
+      ./apps/nginx-mastodon-files.nix
       ./apps/nginx-website.nix
       ./apps/mastodon.nix
       ./apps/opensearch.nix