177 lines
5 KiB
Nix
177 lines
5 KiB
Nix
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{ config, lib, pkgs, ... }:
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let
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cfg = config.services.calibre-web;
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inherit (lib) mkIf optionalAttrs optionalString;
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concatMapAttrsStringsSep = sep: f: attrs: lib.concatStringsSep sep (lib.mapAttrsToList f attrs);
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toSQL = concatMapAttrsStringsSep ", " (key: value: "${key} = " + (if
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lib.isStringLike value then "'${value}'" else
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if value == false then "0" else toString value));
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in
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{
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options = with lib; {
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services.calibre-web = {
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enable = mkEnableOption (mdDoc "Calibre-Web");
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listen = {
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ip = mkOption {
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type = types.str;
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default = "::1";
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description = lib.mdDoc ''
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IP address that Calibre-Web should listen on.
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'';
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};
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port = mkOption {
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type = types.port;
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default = 8083;
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description = lib.mdDoc ''
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Listen port for Calibre-Web.
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'';
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};
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};
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dataDir = mkOption {
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type = types.str;
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default = "calibre-web";
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description = lib.mdDoc ''
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The directory below {file}`/var/lib` where Calibre-Web stores its data.
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'';
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};
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user = mkOption {
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type = types.str;
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default = "calibre-web";
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description = lib.mdDoc "User account under which Calibre-Web runs.";
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};
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group = mkOption {
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type = types.str;
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default = "calibre-web";
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description = lib.mdDoc "Group account under which Calibre-Web runs.";
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};
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openFirewall = mkOption {
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type = types.bool;
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default = false;
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description = lib.mdDoc ''
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Open ports in the firewall for the server.
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'';
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};
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options = {
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calibreLibrary = mkOption {
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type = types.nullOr types.path;
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default = null;
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description = lib.mdDoc ''
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Path to Calibre library.
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'';
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};
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enableBookConversion = mkOption {
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type = types.bool;
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default = false;
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description = lib.mdDoc ''
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Configure path to the Calibre's ebook-convert in the DB.
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'';
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};
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enableBookUploading = mkOption {
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type = types.bool;
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default = false;
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description = lib.mdDoc ''
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Allow books to be uploaded via Calibre-Web UI.
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'';
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};
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extraConfig = mkOption {
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type = types.attrsOf types.str;
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default = {};
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description = lib.mdDoc ''
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Additional settings to write to the DB.
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'';
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};
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reverseProxyAuth = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = lib.mdDoc ''
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Enable authorization using auth proxy.
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'';
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};
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header = mkOption {
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type = types.str;
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default = "";
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description = lib.mdDoc ''
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Auth proxy header name.
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'';
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};
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};
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};
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};
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};
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config = mkIf cfg.enable {
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systemd.services.calibre-web = let
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appDb = "/var/lib/${cfg.dataDir}/app.db";
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gdriveDb = "/var/lib/${cfg.dataDir}/gdrive.db";
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calibreWebCmd = "${pkgs.calibre-web}/bin/calibre-web -p ${appDb} -g ${gdriveDb}";
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settings = toSQL ({
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config_port = cfg.listen.port;
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config_uploading = cfg.options.enableBookUploading;
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config_allow_reverse_proxy_header_login = cfg.options.reverseProxyAuth.enable;
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config_reverse_proxy_login_header_name = cfg.options.reverseProxyAuth.header;
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} // optionalAttrs (cfg.options.calibreLibrary != null) {
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config_calibre_dir = cfg.options.calibreLibrary;
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} // optionalAttrs cfg.options.enableBookConversion {
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config_converterpath = "{pkgs.calibre}/bin/ebook-convert";
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} // cfg.options.extraConfig);
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in
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{
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description = "Web app for browsing, reading and downloading eBooks stored in a Calibre database";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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preStart = ''
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__RUN_MIGRATIONS_AND_EXIT=1 ${calibreWebCmd}
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${pkgs.sqlite}/bin/sqlite3 ${appDb} "update settings set ${settings}"
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'' + optionalString (cfg.options.calibreLibrary != null) ''
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test -f "${cfg.options.calibreLibrary}/metadata.db" || { echo "Invalid Calibre library"; exit 1; }
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'';
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serviceConfig = {
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Type = "simple";
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User = cfg.user;
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Group = cfg.group;
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StateDirectory = cfg.dataDir;
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ExecStart = "${calibreWebCmd} -i ${cfg.listen.ip}";
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Restart = "on-failure";
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};
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};
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networking.firewall = mkIf cfg.openFirewall {
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allowedTCPPorts = [ cfg.listen.port ];
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};
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users.users = mkIf (cfg.user == "calibre-web") {
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calibre-web = {
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isSystemUser = true;
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group = cfg.group;
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};
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};
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users.groups = mkIf (cfg.group == "calibre-web") {
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calibre-web = {};
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};
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};
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meta.maintainers = with lib.maintainers; [ pborzenkov ];
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}
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