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Fix asset/URL port mismatch when proxy.port differs from nginx/caddy's own listen port

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Asatru's own url()/asset() helpers build absolute URLs from
$_SERVER['SERVER_PORT'] rather than APP_URL, and nginx/caddy populate
that from the port they're actually listening on -- not an externally
forwarded one (e.g. the QEMU test VM's hostfwd to 8080). That silently
dropped the port from every generated asset/redirect URL, breaking all
static assets when accessed through a forwarded port. Override
SERVER_PORT at the fastcgi layer to cfg.port when set, for both
backends.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
This commit is contained in:
awkawb
2026-09-27 17:14:22 -04:00
co-authored by Claude Sonnet 5
parent 38ec3c76f7
commit c7888c3f9d
2 changed files with 18 additions and 1 deletions
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nixos-module/default.nix
+17 -1
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@@ -439,6 +439,14 @@ in {
include ${config.services.nginx.package}/conf/fastcgi_params;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
fastcgi_param PATH_INFO $fastcgi_path_info;
${lib.optionalString (cfg.port != null) ''
# Asatru's own url()/asset() helpers (vendor/danielbrendel/asatru-php-framework/src/helper.php)
# build every absolute URL straight from $_SERVER['SERVER_PORT'], never from APP_URL. That
# default fastcgi_params' $server_port is the port nginx itself listens on -- e.g. the QEMU
# test VM's unforwarded guest port 80 -- not the externally-reachable/forwarded one (8080),
# so every asset/redirect URL silently drops the real port. Override it to match cfg.port.
fastcgi_param SERVER_PORT "${toString cfg.port}";
''}
'';
# Don't let anyone fetch the rendered .env or app internals.
@@ -471,7 +479,15 @@ in {
# php_fastcgi already covers the Asatru front-controller rewrite
# (try real file, then index.php) and static file serving.
php_fastcgi unix/${config.services.phpfpm.pools.hortusfox.socket}
php_fastcgi unix/${config.services.phpfpm.pools.hortusfox.socket} {
${lib.optionalString (cfg.port != null) ''
# See the matching nginx fastcgi_param SERVER_PORT override above:
# Asatru's url()/asset() helpers build absolute URLs from
# $_SERVER['SERVER_PORT'] alone, which Caddy otherwise sets to the
# port it's actually listening on rather than an external/forwarded one.
env SERVER_PORT ${toString cfg.port}
''}
}
file_server
'';
};