96 lines
3 KiB
Nix
96 lines
3 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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cfg = config.services.languagetool;
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settingsFormat = pkgs.formats.javaProperties { };
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in
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{
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options.services.languagetool = {
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enable = lib.mkEnableOption "the LanguageTool server, a multilingual spelling, style, and grammar checker that helps correct or paraphrase texts";
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package = lib.mkPackageOption pkgs "languagetool" { };
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port = lib.mkOption {
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type = lib.types.port;
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default = 8081;
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example = 8081;
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description = ''
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Port on which LanguageTool listens.
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'';
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};
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public = lib.mkEnableOption "access from anywhere (rather than just localhost)";
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allowOrigin = lib.mkOption {
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type = lib.types.nullOr lib.types.str;
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default = null;
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example = "https://my-website.org";
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description = ''
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Set the Access-Control-Allow-Origin header in the HTTP response,
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used for direct (non-proxy) JavaScript-based access from browsers.
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`null` to allow access from all sites.
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'';
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};
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settings = lib.mkOption {
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type = lib.types.submodule {
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freeformType = settingsFormat.type;
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options.cacheSize = lib.mkOption {
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type = lib.types.ints.unsigned;
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default = 1000;
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apply = toString;
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description = "Number of sentences cached.";
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};
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};
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default = {};
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description = ''
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Configuration file options for LanguageTool, see
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'languagetool-http-server --help'
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for supported settings.
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'';
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};
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jrePackage = lib.mkPackageOption pkgs "jre" { };
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jvmOptions = lib.mkOption {
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description = ''
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Extra command line options for the JVM running languagetool.
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More information can be found here: https://docs.oracle.com/en/java/javase/19/docs/specs/man/java.html#standard-options-for-java
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'';
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default = [ ];
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type = lib.types.listOf lib.types.str;
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example = [
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"-Xmx512m"
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];
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};
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};
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config = lib.mkIf cfg.enable {
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systemd.services.languagetool = {
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description = "LanguageTool HTTP server";
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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serviceConfig = {
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DynamicUser = true;
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User = "languagetool";
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Group = "languagetool";
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CapabilityBoundingSet = [ "" ];
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RestrictNamespaces = [ "" ];
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SystemCallFilter = [ "@system-service" "~ @privileged" ];
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ProtectHome = "yes";
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Restart = "on-failure";
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ExecStart = ''
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${cfg.jrePackage}/bin/java \
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-cp ${cfg.package}/share/languagetool-server.jar \
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${toString cfg.jvmOptions} \
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org.languagetool.server.HTTPServer \
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--port ${toString cfg.port} \
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${lib.optionalString cfg.public "--public"} \
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${lib.optionalString (cfg.allowOrigin != null) "--allow-origin ${cfg.allowOrigin}"} \
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"--config" ${settingsFormat.generate "languagetool.conf" cfg.settings}
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'';
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};
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};
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};
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}
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