1202 lines
43 KiB
Nix
1202 lines
43 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.nginx;
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certs = config.security.acme.certs;
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vhostsConfigs = mapAttrsToList (vhostName: vhostConfig: vhostConfig) virtualHosts;
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acmeEnabledVhosts = filter (vhostConfig: vhostConfig.enableACME || vhostConfig.useACMEHost != null) vhostsConfigs;
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dependentCertNames = unique (map (hostOpts: hostOpts.certName) acmeEnabledVhosts);
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virtualHosts = mapAttrs (vhostName: vhostConfig:
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let
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serverName = if vhostConfig.serverName != null
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then vhostConfig.serverName
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else vhostName;
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certName = if vhostConfig.useACMEHost != null
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then vhostConfig.useACMEHost
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else serverName;
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in
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vhostConfig // {
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inherit serverName certName;
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} // (optionalAttrs (vhostConfig.enableACME || vhostConfig.useACMEHost != null) {
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sslCertificate = "${certs.${certName}.directory}/fullchain.pem";
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sslCertificateKey = "${certs.${certName}.directory}/key.pem";
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sslTrustedCertificate = if vhostConfig.sslTrustedCertificate != null
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then vhostConfig.sslTrustedCertificate
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else "${certs.${certName}.directory}/chain.pem";
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})
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) cfg.virtualHosts;
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enableIPv6 = config.networking.enableIPv6;
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# Mime.types values are taken from brotli sample configuration - https://github.com/google/ngx_brotli
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# and Nginx Server Configs - https://github.com/h5bp/server-configs-nginx
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compressMimeTypes = [
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"application/atom+xml"
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"application/geo+json"
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"application/json"
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"application/ld+json"
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"application/manifest+json"
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"application/rdf+xml"
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"application/vnd.ms-fontobject"
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"application/wasm"
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"application/x-rss+xml"
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"application/x-web-app-manifest+json"
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"application/xhtml+xml"
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"application/xliff+xml"
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"application/xml"
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"font/collection"
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"font/otf"
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"font/ttf"
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"image/bmp"
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"image/svg+xml"
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"image/vnd.microsoft.icon"
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"text/cache-manifest"
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"text/calendar"
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"text/css"
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"text/csv"
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"text/html"
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"text/javascript"
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"text/markdown"
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"text/plain"
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"text/vcard"
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"text/vnd.rim.location.xloc"
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"text/vtt"
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"text/x-component"
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"text/xml"
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];
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defaultFastcgiParams = {
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SCRIPT_FILENAME = "$document_root$fastcgi_script_name";
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QUERY_STRING = "$query_string";
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REQUEST_METHOD = "$request_method";
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CONTENT_TYPE = "$content_type";
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CONTENT_LENGTH = "$content_length";
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SCRIPT_NAME = "$fastcgi_script_name";
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REQUEST_URI = "$request_uri";
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DOCUMENT_URI = "$document_uri";
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DOCUMENT_ROOT = "$document_root";
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SERVER_PROTOCOL = "$server_protocol";
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REQUEST_SCHEME = "$scheme";
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HTTPS = "$https if_not_empty";
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GATEWAY_INTERFACE = "CGI/1.1";
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SERVER_SOFTWARE = "nginx/$nginx_version";
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REMOTE_ADDR = "$remote_addr";
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REMOTE_PORT = "$remote_port";
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SERVER_ADDR = "$server_addr";
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SERVER_PORT = "$server_port";
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SERVER_NAME = "$server_name";
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REDIRECT_STATUS = "200";
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};
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recommendedProxyConfig = pkgs.writeText "nginx-recommended-proxy-headers.conf" ''
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header X-Forwarded-Proto $scheme;
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proxy_set_header X-Forwarded-Host $host;
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proxy_set_header X-Forwarded-Server $host;
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'';
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upstreamConfig = toString (flip mapAttrsToList cfg.upstreams (name: upstream: ''
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upstream ${name} {
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${toString (flip mapAttrsToList upstream.servers (name: server: ''
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server ${name} ${optionalString server.backup "backup"};
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''))}
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${upstream.extraConfig}
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}
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''));
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commonHttpConfig = ''
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# The mime type definitions included with nginx are very incomplete, so
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# we use a list of mime types from the mailcap package, which is also
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# used by most other Linux distributions by default.
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include ${pkgs.mailcap}/etc/nginx/mime.types;
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# When recommendedOptimisation is disabled nginx fails to start because the mailmap mime.types database
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# contains 1026 enries and the default is only 1024. Setting to a higher number to remove the need to
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# overwrite it because nginx does not allow duplicated settings.
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types_hash_max_size 4096;
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include ${cfg.package}/conf/fastcgi.conf;
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include ${cfg.package}/conf/uwsgi_params;
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default_type application/octet-stream;
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'';
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configFile = pkgs.writers.writeNginxConfig "nginx.conf" ''
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pid /run/nginx/nginx.pid;
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error_log ${cfg.logError};
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daemon off;
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${cfg.config}
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${optionalString (cfg.eventsConfig != "" || cfg.config == "") ''
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events {
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${cfg.eventsConfig}
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}
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''}
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${optionalString (cfg.httpConfig == "" && cfg.config == "") ''
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http {
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${commonHttpConfig}
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${optionalString (cfg.resolver.addresses != []) ''
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resolver ${toString cfg.resolver.addresses} ${optionalString (cfg.resolver.valid != "") "valid=${cfg.resolver.valid}"} ${optionalString (!cfg.resolver.ipv6) "ipv6=off"};
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''}
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${upstreamConfig}
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${optionalString (cfg.recommendedOptimisation) ''
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# optimisation
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sendfile on;
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tcp_nopush on;
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tcp_nodelay on;
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keepalive_timeout 65;
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''}
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ssl_protocols ${cfg.sslProtocols};
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${optionalString (cfg.sslCiphers != null) "ssl_ciphers ${cfg.sslCiphers};"}
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${optionalString (cfg.sslDhparam != null) "ssl_dhparam ${cfg.sslDhparam};"}
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${optionalString (cfg.recommendedTlsSettings) ''
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# Keep in sync with https://ssl-config.mozilla.org/#server=nginx&config=intermediate
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ssl_session_timeout 1d;
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ssl_session_cache shared:SSL:10m;
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# Breaks forward secrecy: https://github.com/mozilla/server-side-tls/issues/135
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ssl_session_tickets off;
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# We don't enable insecure ciphers by default, so this allows
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# clients to pick the most performant, per https://github.com/mozilla/server-side-tls/issues/260
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ssl_prefer_server_ciphers off;
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# OCSP stapling
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ssl_stapling on;
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ssl_stapling_verify on;
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''}
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${optionalString (cfg.recommendedBrotliSettings) ''
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brotli on;
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brotli_static on;
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brotli_comp_level 5;
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brotli_window 512k;
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brotli_min_length 256;
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brotli_types ${lib.concatStringsSep " " compressMimeTypes};
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brotli_buffers 32 8k;
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''}
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${optionalString (cfg.recommendedGzipSettings) ''
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gzip on;
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gzip_proxied any;
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gzip_comp_level 5;
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gzip_types
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application/atom+xml
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application/javascript
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application/json
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application/xml
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application/xml+rss
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image/svg+xml
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text/css
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text/javascript
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text/plain
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text/xml;
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gzip_vary on;
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''}
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${optionalString (cfg.recommendedProxySettings) ''
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proxy_redirect off;
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proxy_connect_timeout ${cfg.proxyTimeout};
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proxy_send_timeout ${cfg.proxyTimeout};
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proxy_read_timeout ${cfg.proxyTimeout};
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proxy_http_version 1.1;
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include ${recommendedProxyConfig};
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''}
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${optionalString (cfg.mapHashBucketSize != null) ''
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map_hash_bucket_size ${toString cfg.mapHashBucketSize};
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''}
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${optionalString (cfg.mapHashMaxSize != null) ''
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map_hash_max_size ${toString cfg.mapHashMaxSize};
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''}
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${optionalString (cfg.serverNamesHashBucketSize != null) ''
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server_names_hash_bucket_size ${toString cfg.serverNamesHashBucketSize};
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''}
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${optionalString (cfg.serverNamesHashMaxSize != null) ''
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server_names_hash_max_size ${toString cfg.serverNamesHashMaxSize};
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''}
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# $connection_upgrade is used for websocket proxying
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map $http_upgrade $connection_upgrade {
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default upgrade;
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''' close;
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}
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client_max_body_size ${cfg.clientMaxBodySize};
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server_tokens ${if cfg.serverTokens then "on" else "off"};
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${optionalString (cfg.proxyCache.enable) ''
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proxy_cache_path /var/cache/nginx keys_zone=${cfg.proxyCache.keysZoneName}:${cfg.proxyCache.keysZoneSize}
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levels=${cfg.proxyCache.levels}
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use_temp_path=${if cfg.proxyCache.useTempPath then "on" else "off"}
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inactive=${cfg.proxyCache.inactive}
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max_size=${cfg.proxyCache.maxSize};
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''}
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${cfg.commonHttpConfig}
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${vhosts}
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${optionalString cfg.statusPage ''
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server {
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listen ${toString cfg.defaultHTTPListenPort};
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${optionalString enableIPv6 "listen [::]:${toString cfg.defaultHTTPListenPort};" }
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server_name localhost;
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location /nginx_status {
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stub_status on;
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access_log off;
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allow 127.0.0.1;
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${optionalString enableIPv6 "allow ::1;"}
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deny all;
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}
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}
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''}
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${cfg.appendHttpConfig}
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}''}
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${optionalString (cfg.httpConfig != "") ''
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http {
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${commonHttpConfig}
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${cfg.httpConfig}
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}''}
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${optionalString (cfg.streamConfig != "") ''
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stream {
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${cfg.streamConfig}
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}
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''}
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${cfg.appendConfig}
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'';
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configPath = if cfg.enableReload
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then "/etc/nginx/nginx.conf"
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else finalConfigFile;
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execCommand = "${cfg.package}/bin/nginx -c '${configPath}'";
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vhosts = concatStringsSep "\n" (mapAttrsToList (vhostName: vhost:
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let
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onlySSL = vhost.onlySSL || vhost.enableSSL;
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hasSSL = onlySSL || vhost.addSSL || vhost.forceSSL;
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defaultListen =
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if vhost.listen != [] then vhost.listen
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else
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let addrs = if vhost.listenAddresses != [] then vhost.listenAddresses else cfg.defaultListenAddresses;
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in optionals (hasSSL || vhost.rejectSSL) (map (addr: { inherit addr; port = cfg.defaultSSLListenPort; ssl = true; }) addrs)
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++ optionals (!onlySSL) (map (addr: { inherit addr; port = cfg.defaultHTTPListenPort; ssl = false; }) addrs);
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hostListen =
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if vhost.forceSSL
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then filter (x: x.ssl) defaultListen
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else defaultListen;
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listenString = { addr, port, ssl, extraParameters ? [], ... }:
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(if ssl && vhost.http3 then "
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# UDP listener for **QUIC+HTTP/3
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listen ${addr}:${toString port} http3 "
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+ optionalString vhost.default "default_server "
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+ optionalString vhost.reuseport "reuseport "
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+ optionalString (extraParameters != []) (concatStringsSep " " extraParameters)
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+ ";" else "")
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+ "
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listen ${addr}:${toString port} "
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+ optionalString (ssl && vhost.http2) "http2 "
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+ optionalString ssl "ssl "
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+ optionalString vhost.default "default_server "
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+ optionalString vhost.reuseport "reuseport "
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+ optionalString (extraParameters != []) (concatStringsSep " " extraParameters)
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+ ";";
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redirectListen = filter (x: !x.ssl) defaultListen;
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acmeLocation = optionalString (vhost.enableACME || vhost.useACMEHost != null) ''
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# Rule for legitimate ACME Challenge requests (like /.well-known/acme-challenge/xxxxxxxxx)
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# We use ^~ here, so that we don't check any regexes (which could
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# otherwise easily override this intended match accidentally).
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location ^~ /.well-known/acme-challenge/ {
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${optionalString (vhost.acmeFallbackHost != null) "try_files $uri @acme-fallback;"}
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${optionalString (vhost.acmeRoot != null) "root ${vhost.acmeRoot};"}
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auth_basic off;
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}
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${optionalString (vhost.acmeFallbackHost != null) ''
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location @acme-fallback {
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auth_basic off;
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proxy_pass http://${vhost.acmeFallbackHost};
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}
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''}
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'';
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in ''
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${optionalString vhost.forceSSL ''
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server {
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${concatMapStringsSep "\n" listenString redirectListen}
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server_name ${vhost.serverName} ${concatStringsSep " " vhost.serverAliases};
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${acmeLocation}
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location / {
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return 301 https://$host$request_uri;
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}
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}
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''}
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server {
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${concatMapStringsSep "\n" listenString hostListen}
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server_name ${vhost.serverName} ${concatStringsSep " " vhost.serverAliases};
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${acmeLocation}
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${optionalString (vhost.root != null) "root ${vhost.root};"}
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${optionalString (vhost.globalRedirect != null) ''
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location / {
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return 301 http${optionalString hasSSL "s"}://${vhost.globalRedirect}$request_uri;
|
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}
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''}
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${optionalString hasSSL ''
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ssl_certificate ${vhost.sslCertificate};
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ssl_certificate_key ${vhost.sslCertificateKey};
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''}
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${optionalString (hasSSL && vhost.sslTrustedCertificate != null) ''
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ssl_trusted_certificate ${vhost.sslTrustedCertificate};
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''}
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${optionalString vhost.rejectSSL ''
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ssl_reject_handshake on;
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''}
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${optionalString (hasSSL && vhost.kTLS) ''
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ssl_conf_command Options KTLS;
|
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''}
|
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|
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${optionalString (hasSSL && vhost.http3) ''
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# Advertise that HTTP/3 is available
|
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add_header Alt-Svc 'h3=":443"; ma=86400' always;
|
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''}
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${mkBasicAuth vhostName vhost}
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${mkLocations vhost.locations}
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|
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${vhost.extraConfig}
|
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}
|
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''
|
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) virtualHosts);
|
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mkLocations = locations: concatStringsSep "\n" (map (config: ''
|
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location ${config.location} {
|
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${optionalString (config.proxyPass != null && !cfg.proxyResolveWhileRunning)
|
||
"proxy_pass ${config.proxyPass};"
|
||
}
|
||
${optionalString (config.proxyPass != null && cfg.proxyResolveWhileRunning) ''
|
||
set $nix_proxy_target "${config.proxyPass}";
|
||
proxy_pass $nix_proxy_target;
|
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''}
|
||
${optionalString config.proxyWebsockets ''
|
||
proxy_http_version 1.1;
|
||
proxy_set_header Upgrade $http_upgrade;
|
||
proxy_set_header Connection $connection_upgrade;
|
||
''}
|
||
${concatStringsSep "\n"
|
||
(mapAttrsToList (n: v: ''fastcgi_param ${n} "${v}";'')
|
||
(optionalAttrs (config.fastcgiParams != {})
|
||
(defaultFastcgiParams // config.fastcgiParams)))}
|
||
${optionalString (config.index != null) "index ${config.index};"}
|
||
${optionalString (config.tryFiles != null) "try_files ${config.tryFiles};"}
|
||
${optionalString (config.root != null) "root ${config.root};"}
|
||
${optionalString (config.alias != null) "alias ${config.alias};"}
|
||
${optionalString (config.return != null) "return ${config.return};"}
|
||
${config.extraConfig}
|
||
${optionalString (config.proxyPass != null && config.recommendedProxySettings) "include ${recommendedProxyConfig};"}
|
||
${mkBasicAuth "sublocation" config}
|
||
}
|
||
'') (sortProperties (mapAttrsToList (k: v: v // { location = k; }) locations)));
|
||
|
||
mkBasicAuth = name: zone: optionalString (zone.basicAuthFile != null || zone.basicAuth != {}) (let
|
||
auth_file = if zone.basicAuthFile != null
|
||
then zone.basicAuthFile
|
||
else mkHtpasswd name zone.basicAuth;
|
||
in ''
|
||
auth_basic secured;
|
||
auth_basic_user_file ${auth_file};
|
||
'');
|
||
mkHtpasswd = name: authDef: pkgs.writeText "${name}.htpasswd" (
|
||
concatStringsSep "\n" (mapAttrsToList (user: password: ''
|
||
${user}:{PLAIN}${password}
|
||
'') authDef)
|
||
);
|
||
|
||
mkCertOwnershipAssertion = import ../../../security/acme/mk-cert-ownership-assertion.nix;
|
||
|
||
snakeOilCert = pkgs.runCommand "nginx-config-validate-cert" { nativeBuildInputs = [ pkgs.openssl.bin ]; } ''
|
||
mkdir $out
|
||
openssl genrsa -des3 -passout pass:xxxxx -out server.pass.key 2048
|
||
openssl rsa -passin pass:xxxxx -in server.pass.key -out $out/server.key
|
||
openssl req -new -key $out/server.key -out server.csr \
|
||
-subj "/C=UK/ST=Warwickshire/L=Leamington/O=OrgName/OU=IT Department/CN=example.com"
|
||
openssl x509 -req -days 1 -in server.csr -signkey $out/server.key -out $out/server.crt
|
||
'';
|
||
validatedConfigFile = pkgs.runCommand "validated-nginx.conf" { nativeBuildInputs = [ cfg.package ]; } ''
|
||
# nginx absolutely wants to read the certificates even when told to only validate config, so let's provide fake certs
|
||
sed ${configFile} \
|
||
-e "s|ssl_certificate .*;|ssl_certificate ${snakeOilCert}/server.crt;|g" \
|
||
-e "s|ssl_trusted_certificate .*;|ssl_trusted_certificate ${snakeOilCert}/server.crt;|g" \
|
||
-e "s|ssl_certificate_key .*;|ssl_certificate_key ${snakeOilCert}/server.key;|g" \
|
||
> conf
|
||
|
||
LD_PRELOAD=${pkgs.libredirect}/lib/libredirect.so \
|
||
NIX_REDIRECTS="/etc/resolv.conf=/dev/null" \
|
||
nginx -t -c $(readlink -f ./conf) > out 2>&1 || true
|
||
if ! grep -q "syntax is ok" out; then
|
||
echo nginx config validation failed.
|
||
echo config was ${configFile}.
|
||
echo 'in case of false positive, set `services.nginx.validateConfig` to false.'
|
||
echo nginx output:
|
||
cat out
|
||
exit 1
|
||
fi
|
||
cp ${configFile} $out
|
||
'';
|
||
|
||
finalConfigFile = if cfg.validateConfig then validatedConfigFile else configFile;
|
||
in
|
||
|
||
{
|
||
options = {
|
||
services.nginx = {
|
||
enable = mkEnableOption (lib.mdDoc "Nginx Web Server");
|
||
|
||
statusPage = mkOption {
|
||
default = false;
|
||
type = types.bool;
|
||
description = lib.mdDoc ''
|
||
Enable status page reachable from localhost on http://127.0.0.1/nginx_status.
|
||
'';
|
||
};
|
||
|
||
recommendedTlsSettings = mkOption {
|
||
default = false;
|
||
type = types.bool;
|
||
description = lib.mdDoc ''
|
||
Enable recommended TLS settings.
|
||
'';
|
||
};
|
||
|
||
recommendedOptimisation = mkOption {
|
||
default = false;
|
||
type = types.bool;
|
||
description = lib.mdDoc ''
|
||
Enable recommended optimisation settings.
|
||
'';
|
||
};
|
||
|
||
recommendedBrotliSettings = mkOption {
|
||
default = false;
|
||
type = types.bool;
|
||
description = lib.mdDoc ''
|
||
Enable recommended brotli settings. Learn more about compression in Brotli format [here](https://github.com/google/ngx_brotli/blob/master/README.md).
|
||
|
||
This adds `pkgs.nginxModules.brotli` to `services.nginx.additionalModules`.
|
||
'';
|
||
};
|
||
|
||
recommendedGzipSettings = mkOption {
|
||
default = false;
|
||
type = types.bool;
|
||
description = lib.mdDoc ''
|
||
Enable recommended gzip settings.
|
||
'';
|
||
};
|
||
|
||
recommendedProxySettings = mkOption {
|
||
default = false;
|
||
type = types.bool;
|
||
description = lib.mdDoc ''
|
||
Whether to enable recommended proxy settings if a vhost does not specify the option manually.
|
||
'';
|
||
};
|
||
|
||
proxyTimeout = mkOption {
|
||
type = types.str;
|
||
default = "60s";
|
||
example = "20s";
|
||
description = lib.mdDoc ''
|
||
Change the proxy related timeouts in recommendedProxySettings.
|
||
'';
|
||
};
|
||
|
||
defaultListenAddresses = mkOption {
|
||
type = types.listOf types.str;
|
||
default = [ "0.0.0.0" ] ++ optional enableIPv6 "[::0]";
|
||
defaultText = literalExpression ''[ "0.0.0.0" ] ++ lib.optional config.networking.enableIPv6 "[::0]"'';
|
||
example = literalExpression ''[ "10.0.0.12" "[2002:a00:1::]" ]'';
|
||
description = lib.mdDoc ''
|
||
If vhosts do not specify listenAddresses, use these addresses by default.
|
||
'';
|
||
};
|
||
|
||
defaultHTTPListenPort = mkOption {
|
||
type = types.port;
|
||
default = 80;
|
||
example = 8080;
|
||
description = lib.mdDoc ''
|
||
If vhosts do not specify listen.port, use these ports for HTTP by default.
|
||
'';
|
||
};
|
||
|
||
defaultSSLListenPort = mkOption {
|
||
type = types.port;
|
||
default = 443;
|
||
example = 8443;
|
||
description = lib.mdDoc ''
|
||
If vhosts do not specify listen.port, use these ports for SSL by default.
|
||
'';
|
||
};
|
||
|
||
package = mkOption {
|
||
default = pkgs.nginxStable;
|
||
defaultText = literalExpression "pkgs.nginxStable";
|
||
type = types.package;
|
||
apply = p: p.override {
|
||
modules = lib.unique (p.modules ++ cfg.additionalModules);
|
||
};
|
||
description = lib.mdDoc ''
|
||
Nginx package to use. This defaults to the stable version. Note
|
||
that the nginx team recommends to use the mainline version which
|
||
available in nixpkgs as `nginxMainline`.
|
||
'';
|
||
};
|
||
|
||
validateConfig = mkOption {
|
||
# FIXME: re-enable if we can make of the configurations work.
|
||
#default = pkgs.stdenv.hostPlatform == pkgs.stdenv.buildPlatform;
|
||
default = false;
|
||
defaultText = literalExpression "pkgs.stdenv.hostPlatform == pkgs.stdenv.buildPlatform";
|
||
type = types.bool;
|
||
description = lib.mdDoc ''
|
||
Validate the generated nginx config at build time. The check is not very robust and can be disabled in case of false positives. This is notably the case when cross-compiling or when using `include` with files outside of the store.
|
||
'';
|
||
};
|
||
|
||
additionalModules = mkOption {
|
||
default = [];
|
||
type = types.listOf (types.attrsOf types.anything);
|
||
example = literalExpression "[ pkgs.nginxModules.echo ]";
|
||
description = lib.mdDoc ''
|
||
Additional [third-party nginx modules](https://www.nginx.com/resources/wiki/modules/)
|
||
to install. Packaged modules are available in `pkgs.nginxModules`.
|
||
'';
|
||
};
|
||
|
||
logError = mkOption {
|
||
default = "stderr";
|
||
type = types.str;
|
||
description = lib.mdDoc ''
|
||
Configures logging.
|
||
The first parameter defines a file that will store the log. The
|
||
special value stderr selects the standard error file. Logging to
|
||
syslog can be configured by specifying the “syslog:” prefix.
|
||
The second parameter determines the level of logging, and can be
|
||
one of the following: debug, info, notice, warn, error, crit,
|
||
alert, or emerg. Log levels above are listed in the order of
|
||
increasing severity. Setting a certain log level will cause all
|
||
messages of the specified and more severe log levels to be logged.
|
||
If this parameter is omitted then error is used.
|
||
'';
|
||
};
|
||
|
||
preStart = mkOption {
|
||
type = types.lines;
|
||
default = "";
|
||
description = lib.mdDoc ''
|
||
Shell commands executed before the service's nginx is started.
|
||
'';
|
||
};
|
||
|
||
config = mkOption {
|
||
type = types.str;
|
||
default = "";
|
||
description = lib.mdDoc ''
|
||
Verbatim {file}`nginx.conf` configuration.
|
||
This is mutually exclusive to any other config option for
|
||
{file}`nginx.conf` except for
|
||
- [](#opt-services.nginx.appendConfig)
|
||
- [](#opt-services.nginx.httpConfig)
|
||
- [](#opt-services.nginx.logError)
|
||
|
||
If additional verbatim config in addition to other options is needed,
|
||
[](#opt-services.nginx.appendConfig) should be used instead.
|
||
'';
|
||
};
|
||
|
||
appendConfig = mkOption {
|
||
type = types.lines;
|
||
default = "";
|
||
description = lib.mdDoc ''
|
||
Configuration lines appended to the generated Nginx
|
||
configuration file. Commonly used by different modules
|
||
providing http snippets. {option}`appendConfig`
|
||
can be specified more than once and it's value will be
|
||
concatenated (contrary to {option}`config` which
|
||
can be set only once).
|
||
'';
|
||
};
|
||
|
||
commonHttpConfig = mkOption {
|
||
type = types.lines;
|
||
default = "";
|
||
example = ''
|
||
resolver 127.0.0.1 valid=5s;
|
||
|
||
log_format myformat '$remote_addr - $remote_user [$time_local] '
|
||
'"$request" $status $body_bytes_sent '
|
||
'"$http_referer" "$http_user_agent"';
|
||
'';
|
||
description = lib.mdDoc ''
|
||
With nginx you must provide common http context definitions before
|
||
they are used, e.g. log_format, resolver, etc. inside of server
|
||
or location contexts. Use this attribute to set these definitions
|
||
at the appropriate location.
|
||
'';
|
||
};
|
||
|
||
httpConfig = mkOption {
|
||
type = types.lines;
|
||
default = "";
|
||
description = lib.mdDoc ''
|
||
Configuration lines to be set inside the http block.
|
||
This is mutually exclusive with the structured configuration
|
||
via virtualHosts and the recommendedXyzSettings configuration
|
||
options. See appendHttpConfig for appending to the generated http block.
|
||
'';
|
||
};
|
||
|
||
streamConfig = mkOption {
|
||
type = types.lines;
|
||
default = "";
|
||
example = ''
|
||
server {
|
||
listen 127.0.0.1:53 udp reuseport;
|
||
proxy_timeout 20s;
|
||
proxy_pass 192.168.0.1:53535;
|
||
}
|
||
'';
|
||
description = lib.mdDoc ''
|
||
Configuration lines to be set inside the stream block.
|
||
'';
|
||
};
|
||
|
||
eventsConfig = mkOption {
|
||
type = types.lines;
|
||
default = "";
|
||
description = lib.mdDoc ''
|
||
Configuration lines to be set inside the events block.
|
||
'';
|
||
};
|
||
|
||
appendHttpConfig = mkOption {
|
||
type = types.lines;
|
||
default = "";
|
||
description = lib.mdDoc ''
|
||
Configuration lines to be appended to the generated http block.
|
||
This is mutually exclusive with using config and httpConfig for
|
||
specifying the whole http block verbatim.
|
||
'';
|
||
};
|
||
|
||
enableReload = mkOption {
|
||
default = false;
|
||
type = types.bool;
|
||
description = lib.mdDoc ''
|
||
Reload nginx when configuration file changes (instead of restart).
|
||
The configuration file is exposed at {file}`/etc/nginx/nginx.conf`.
|
||
See also `systemd.services.*.restartIfChanged`.
|
||
'';
|
||
};
|
||
|
||
user = mkOption {
|
||
type = types.str;
|
||
default = "nginx";
|
||
description = lib.mdDoc "User account under which nginx runs.";
|
||
};
|
||
|
||
group = mkOption {
|
||
type = types.str;
|
||
default = "nginx";
|
||
description = lib.mdDoc "Group account under which nginx runs.";
|
||
};
|
||
|
||
serverTokens = mkOption {
|
||
type = types.bool;
|
||
default = false;
|
||
description = lib.mdDoc "Show nginx version in headers and error pages.";
|
||
};
|
||
|
||
clientMaxBodySize = mkOption {
|
||
type = types.str;
|
||
default = "10m";
|
||
description = lib.mdDoc "Set nginx global client_max_body_size.";
|
||
};
|
||
|
||
sslCiphers = mkOption {
|
||
type = types.nullOr types.str;
|
||
# Keep in sync with https://ssl-config.mozilla.org/#server=nginx&config=intermediate
|
||
default = "ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384";
|
||
description = lib.mdDoc "Ciphers to choose from when negotiating TLS handshakes.";
|
||
};
|
||
|
||
sslProtocols = mkOption {
|
||
type = types.str;
|
||
default = "TLSv1.2 TLSv1.3";
|
||
example = "TLSv1 TLSv1.1 TLSv1.2 TLSv1.3";
|
||
description = lib.mdDoc "Allowed TLS protocol versions.";
|
||
};
|
||
|
||
sslDhparam = mkOption {
|
||
type = types.nullOr types.path;
|
||
default = null;
|
||
example = "/path/to/dhparams.pem";
|
||
description = lib.mdDoc "Path to DH parameters file.";
|
||
};
|
||
|
||
proxyResolveWhileRunning = mkOption {
|
||
type = types.bool;
|
||
default = false;
|
||
description = lib.mdDoc ''
|
||
Resolves domains of proxyPass targets at runtime
|
||
and not only at start, you have to set
|
||
services.nginx.resolver, too.
|
||
'';
|
||
};
|
||
|
||
mapHashBucketSize = mkOption {
|
||
type = types.nullOr (types.enum [ 32 64 128 ]);
|
||
default = null;
|
||
description = lib.mdDoc ''
|
||
Sets the bucket size for the map variables hash tables. Default
|
||
value depends on the processor’s cache line size.
|
||
'';
|
||
};
|
||
|
||
mapHashMaxSize = mkOption {
|
||
type = types.nullOr types.ints.positive;
|
||
default = null;
|
||
description = lib.mdDoc ''
|
||
Sets the maximum size of the map variables hash tables.
|
||
'';
|
||
};
|
||
|
||
serverNamesHashBucketSize = mkOption {
|
||
type = types.nullOr types.ints.positive;
|
||
default = null;
|
||
description = lib.mdDoc ''
|
||
Sets the bucket size for the server names hash tables. Default
|
||
value depends on the processor’s cache line size.
|
||
'';
|
||
};
|
||
|
||
serverNamesHashMaxSize = mkOption {
|
||
type = types.nullOr types.ints.positive;
|
||
default = null;
|
||
description = lib.mdDoc ''
|
||
Sets the maximum size of the server names hash tables.
|
||
'';
|
||
};
|
||
|
||
proxyCache = mkOption {
|
||
type = types.submodule {
|
||
options = {
|
||
enable = mkEnableOption (lib.mdDoc "Enable proxy cache");
|
||
|
||
keysZoneName = mkOption {
|
||
type = types.str;
|
||
default = "cache";
|
||
example = "my_cache";
|
||
description = lib.mdDoc "Set name to shared memory zone.";
|
||
};
|
||
|
||
keysZoneSize = mkOption {
|
||
type = types.str;
|
||
default = "10m";
|
||
example = "32m";
|
||
description = lib.mdDoc "Set size to shared memory zone.";
|
||
};
|
||
|
||
levels = mkOption {
|
||
type = types.str;
|
||
default = "1:2";
|
||
example = "1:2:2";
|
||
description = lib.mdDoc ''
|
||
The levels parameter defines structure of subdirectories in cache: from
|
||
1 to 3, each level accepts values 1 or 2. Сan be used any combination of
|
||
1 and 2 in these formats: x, x:x and x:x:x.
|
||
'';
|
||
};
|
||
|
||
useTempPath = mkOption {
|
||
type = types.bool;
|
||
default = false;
|
||
example = true;
|
||
description = lib.mdDoc ''
|
||
Nginx first writes files that are destined for the cache to a temporary
|
||
storage area, and the use_temp_path=off directive instructs Nginx to
|
||
write them to the same directories where they will be cached. Recommended
|
||
that you set this parameter to off to avoid unnecessary copying of data
|
||
between file systems.
|
||
'';
|
||
};
|
||
|
||
inactive = mkOption {
|
||
type = types.str;
|
||
default = "10m";
|
||
example = "1d";
|
||
description = lib.mdDoc ''
|
||
Cached data that has not been accessed for the time specified by
|
||
the inactive parameter is removed from the cache, regardless of
|
||
its freshness.
|
||
'';
|
||
};
|
||
|
||
maxSize = mkOption {
|
||
type = types.str;
|
||
default = "1g";
|
||
example = "2048m";
|
||
description = lib.mdDoc "Set maximum cache size";
|
||
};
|
||
};
|
||
};
|
||
default = {};
|
||
description = lib.mdDoc "Configure proxy cache";
|
||
};
|
||
|
||
resolver = mkOption {
|
||
type = types.submodule {
|
||
options = {
|
||
addresses = mkOption {
|
||
type = types.listOf types.str;
|
||
default = [];
|
||
example = literalExpression ''[ "[::1]" "127.0.0.1:5353" ]'';
|
||
description = lib.mdDoc "List of resolvers to use";
|
||
};
|
||
valid = mkOption {
|
||
type = types.str;
|
||
default = "";
|
||
example = "30s";
|
||
description = lib.mdDoc ''
|
||
By default, nginx caches answers using the TTL value of a response.
|
||
An optional valid parameter allows overriding it
|
||
'';
|
||
};
|
||
ipv6 = mkOption {
|
||
type = types.bool;
|
||
default = true;
|
||
description = lib.mdDoc ''
|
||
By default, nginx will look up both IPv4 and IPv6 addresses while resolving.
|
||
If looking up of IPv6 addresses is not desired, the ipv6=off parameter can be
|
||
specified.
|
||
'';
|
||
};
|
||
};
|
||
};
|
||
description = lib.mdDoc ''
|
||
Configures name servers used to resolve names of upstream servers into addresses
|
||
'';
|
||
default = {};
|
||
};
|
||
|
||
upstreams = mkOption {
|
||
type = types.attrsOf (types.submodule {
|
||
options = {
|
||
servers = mkOption {
|
||
type = types.attrsOf (types.submodule {
|
||
options = {
|
||
backup = mkOption {
|
||
type = types.bool;
|
||
default = false;
|
||
description = lib.mdDoc ''
|
||
Marks the server as a backup server. It will be passed
|
||
requests when the primary servers are unavailable.
|
||
'';
|
||
};
|
||
};
|
||
});
|
||
description = lib.mdDoc ''
|
||
Defines the address and other parameters of the upstream servers.
|
||
'';
|
||
default = {};
|
||
example = { "127.0.0.1:8000" = {}; };
|
||
};
|
||
extraConfig = mkOption {
|
||
type = types.lines;
|
||
default = "";
|
||
description = lib.mdDoc ''
|
||
These lines go to the end of the upstream verbatim.
|
||
'';
|
||
};
|
||
};
|
||
});
|
||
description = lib.mdDoc ''
|
||
Defines a group of servers to use as proxy target.
|
||
'';
|
||
default = {};
|
||
example = literalExpression ''
|
||
"backend_server" = {
|
||
servers = { "127.0.0.1:8000" = {}; };
|
||
extraConfig = ''''
|
||
keepalive 16;
|
||
'''';
|
||
};
|
||
'';
|
||
};
|
||
|
||
virtualHosts = mkOption {
|
||
type = types.attrsOf (types.submodule (import ./vhost-options.nix {
|
||
inherit config lib;
|
||
}));
|
||
default = {
|
||
localhost = {};
|
||
};
|
||
example = literalExpression ''
|
||
{
|
||
"hydra.example.com" = {
|
||
forceSSL = true;
|
||
enableACME = true;
|
||
locations."/" = {
|
||
proxyPass = "http://localhost:3000";
|
||
};
|
||
};
|
||
};
|
||
'';
|
||
description = lib.mdDoc "Declarative vhost config";
|
||
};
|
||
};
|
||
};
|
||
|
||
imports = [
|
||
(mkRemovedOptionModule [ "services" "nginx" "stateDir" ] ''
|
||
The Nginx log directory has been moved to /var/log/nginx, the cache directory
|
||
to /var/cache/nginx. The option services.nginx.stateDir has been removed.
|
||
'')
|
||
];
|
||
|
||
config = mkIf cfg.enable {
|
||
# TODO: test user supplied config file pases syntax test
|
||
|
||
warnings =
|
||
let
|
||
deprecatedSSL = name: config: optional config.enableSSL
|
||
''
|
||
config.services.nginx.virtualHosts.<name>.enableSSL is deprecated,
|
||
use config.services.nginx.virtualHosts.<name>.onlySSL instead.
|
||
'';
|
||
|
||
in flatten (mapAttrsToList deprecatedSSL virtualHosts);
|
||
|
||
assertions =
|
||
let
|
||
hostOrAliasIsNull = l: l.root == null || l.alias == null;
|
||
in [
|
||
{
|
||
assertion = all (host: all hostOrAliasIsNull (attrValues host.locations)) (attrValues virtualHosts);
|
||
message = "Only one of nginx root or alias can be specified on a location.";
|
||
}
|
||
|
||
{
|
||
assertion = all (host: with host;
|
||
count id [ addSSL (onlySSL || enableSSL) forceSSL rejectSSL ] <= 1
|
||
) (attrValues virtualHosts);
|
||
message = ''
|
||
Options services.nginx.service.virtualHosts.<name>.addSSL,
|
||
services.nginx.virtualHosts.<name>.onlySSL,
|
||
services.nginx.virtualHosts.<name>.forceSSL and
|
||
services.nginx.virtualHosts.<name>.rejectSSL are mutually exclusive.
|
||
'';
|
||
}
|
||
|
||
{
|
||
assertion = any (host: host.rejectSSL) (attrValues virtualHosts) -> versionAtLeast cfg.package.version "1.19.4";
|
||
message = ''
|
||
services.nginx.virtualHosts.<name>.rejectSSL requires nginx version
|
||
1.19.4 or above; see the documentation for services.nginx.package.
|
||
'';
|
||
}
|
||
|
||
{
|
||
assertion = any (host: host.kTLS) (attrValues virtualHosts) -> versionAtLeast cfg.package.version "1.21.4";
|
||
message = ''
|
||
services.nginx.virtualHosts.<name>.kTLS requires nginx version
|
||
1.21.4 or above; see the documentation for services.nginx.package.
|
||
'';
|
||
}
|
||
|
||
{
|
||
assertion = all (host: !(host.enableACME && host.useACMEHost != null)) (attrValues virtualHosts);
|
||
message = ''
|
||
Options services.nginx.service.virtualHosts.<name>.enableACME and
|
||
services.nginx.virtualHosts.<name>.useACMEHost are mutually exclusive.
|
||
'';
|
||
}
|
||
] ++ map (name: mkCertOwnershipAssertion {
|
||
inherit (cfg) group user;
|
||
cert = config.security.acme.certs.${name};
|
||
groups = config.users.groups;
|
||
}) dependentCertNames;
|
||
|
||
services.nginx.additionalModules = optional cfg.recommendedBrotliSettings pkgs.nginxModules.brotli;
|
||
|
||
systemd.services.nginx = {
|
||
description = "Nginx Web Server";
|
||
wantedBy = [ "multi-user.target" ];
|
||
wants = concatLists (map (certName: [ "acme-finished-${certName}.target" ]) dependentCertNames);
|
||
after = [ "network.target" ] ++ map (certName: "acme-selfsigned-${certName}.service") dependentCertNames;
|
||
# Nginx needs to be started in order to be able to request certificates
|
||
# (it's hosting the acme challenge after all)
|
||
# This fixes https://github.com/NixOS/nixpkgs/issues/81842
|
||
before = map (certName: "acme-${certName}.service") dependentCertNames;
|
||
stopIfChanged = false;
|
||
preStart = ''
|
||
${cfg.preStart}
|
||
${execCommand} -t
|
||
'';
|
||
|
||
startLimitIntervalSec = 60;
|
||
serviceConfig = {
|
||
ExecStart = execCommand;
|
||
ExecReload = [
|
||
"${execCommand} -t"
|
||
"${pkgs.coreutils}/bin/kill -HUP $MAINPID"
|
||
];
|
||
Restart = "always";
|
||
RestartSec = "10s";
|
||
# User and group
|
||
User = cfg.user;
|
||
Group = cfg.group;
|
||
# Runtime directory and mode
|
||
RuntimeDirectory = "nginx";
|
||
RuntimeDirectoryMode = "0750";
|
||
# Cache directory and mode
|
||
CacheDirectory = "nginx";
|
||
CacheDirectoryMode = "0750";
|
||
# Logs directory and mode
|
||
LogsDirectory = "nginx";
|
||
LogsDirectoryMode = "0750";
|
||
# Proc filesystem
|
||
ProcSubset = "pid";
|
||
ProtectProc = "invisible";
|
||
# New file permissions
|
||
UMask = "0027"; # 0640 / 0750
|
||
# Capabilities
|
||
AmbientCapabilities = [ "CAP_NET_BIND_SERVICE" "CAP_SYS_RESOURCE" ];
|
||
CapabilityBoundingSet = [ "CAP_NET_BIND_SERVICE" "CAP_SYS_RESOURCE" ];
|
||
# Security
|
||
NoNewPrivileges = true;
|
||
# Sandboxing (sorted by occurrence in https://www.freedesktop.org/software/systemd/man/systemd.exec.html)
|
||
ProtectSystem = "strict";
|
||
ProtectHome = mkDefault true;
|
||
PrivateTmp = true;
|
||
PrivateDevices = true;
|
||
ProtectHostname = true;
|
||
ProtectClock = true;
|
||
ProtectKernelTunables = true;
|
||
ProtectKernelModules = true;
|
||
ProtectKernelLogs = true;
|
||
ProtectControlGroups = true;
|
||
RestrictAddressFamilies = [ "AF_UNIX" "AF_INET" "AF_INET6" ];
|
||
RestrictNamespaces = true;
|
||
LockPersonality = true;
|
||
MemoryDenyWriteExecute = !((builtins.any (mod: (mod.allowMemoryWriteExecute or false)) cfg.package.modules) || (cfg.package == pkgs.openresty));
|
||
RestrictRealtime = true;
|
||
RestrictSUIDSGID = true;
|
||
RemoveIPC = true;
|
||
PrivateMounts = true;
|
||
# System Call Filtering
|
||
SystemCallArchitectures = "native";
|
||
SystemCallFilter = [ "~@cpu-emulation @debug @keyring @mount @obsolete @privileged @setuid" ]
|
||
++ optionals ((cfg.package != pkgs.tengine) && (cfg.package != pkgs.openresty) && (!lib.any (mod: (mod.disableIPC or false)) cfg.package.modules)) [ "~@ipc" ];
|
||
};
|
||
};
|
||
|
||
environment.etc."nginx/nginx.conf" = mkIf cfg.enableReload {
|
||
source = finalConfigFile;
|
||
};
|
||
|
||
# This service waits for all certificates to be available
|
||
# before reloading nginx configuration.
|
||
# sslTargets are added to wantedBy + before
|
||
# which allows the acme-finished-$cert.target to signify the successful updating
|
||
# of certs end-to-end.
|
||
systemd.services.nginx-config-reload = let
|
||
sslServices = map (certName: "acme-${certName}.service") dependentCertNames;
|
||
sslTargets = map (certName: "acme-finished-${certName}.target") dependentCertNames;
|
||
in mkIf (cfg.enableReload || sslServices != []) {
|
||
wants = optionals (cfg.enableReload) [ "nginx.service" ];
|
||
wantedBy = sslServices ++ [ "multi-user.target" ];
|
||
# Before the finished targets, after the renew services.
|
||
# This service might be needed for HTTP-01 challenges, but we only want to confirm
|
||
# certs are updated _after_ config has been reloaded.
|
||
before = sslTargets;
|
||
after = sslServices;
|
||
restartTriggers = optionals (cfg.enableReload) [ finalConfigFile ];
|
||
# Block reloading if not all certs exist yet.
|
||
# Happens when config changes add new vhosts/certs.
|
||
unitConfig.ConditionPathExists = optionals (sslServices != []) (map (certName: certs.${certName}.directory + "/fullchain.pem") dependentCertNames);
|
||
serviceConfig = {
|
||
Type = "oneshot";
|
||
TimeoutSec = 60;
|
||
ExecCondition = "/run/current-system/systemd/bin/systemctl -q is-active nginx.service";
|
||
ExecStart = "/run/current-system/systemd/bin/systemctl reload nginx.service";
|
||
};
|
||
};
|
||
|
||
security.acme.certs = let
|
||
acmePairs = map (vhostConfig: let
|
||
hasRoot = vhostConfig.acmeRoot != null;
|
||
in nameValuePair vhostConfig.serverName {
|
||
group = mkDefault cfg.group;
|
||
# if acmeRoot is null inherit config.security.acme
|
||
# Since config.security.acme.certs.<cert>.webroot's own default value
|
||
# should take precedence set priority higher than mkOptionDefault
|
||
webroot = mkOverride (if hasRoot then 1000 else 2000) vhostConfig.acmeRoot;
|
||
# Also nudge dnsProvider to null in case it is inherited
|
||
dnsProvider = mkOverride (if hasRoot then 1000 else 2000) null;
|
||
extraDomainNames = vhostConfig.serverAliases;
|
||
# Filter for enableACME-only vhosts. Don't want to create dud certs
|
||
}) (filter (vhostConfig: vhostConfig.useACMEHost == null) acmeEnabledVhosts);
|
||
in listToAttrs acmePairs;
|
||
|
||
users.users = optionalAttrs (cfg.user == "nginx") {
|
||
nginx = {
|
||
group = cfg.group;
|
||
isSystemUser = true;
|
||
uid = config.ids.uids.nginx;
|
||
};
|
||
};
|
||
|
||
users.groups = optionalAttrs (cfg.group == "nginx") {
|
||
nginx.gid = config.ids.gids.nginx;
|
||
};
|
||
|
||
services.logrotate.settings.nginx = mapAttrs (_: mkDefault) {
|
||
files = "/var/log/nginx/*.log";
|
||
frequency = "weekly";
|
||
su = "${cfg.user} ${cfg.group}";
|
||
rotate = 26;
|
||
compress = true;
|
||
delaycompress = true;
|
||
postrotate = "[ ! -f /var/run/nginx/nginx.pid ] || kill -USR1 `cat /var/run/nginx/nginx.pid`";
|
||
};
|
||
};
|
||
}
|