286 lines
10 KiB
Nix
286 lines
10 KiB
Nix
{ lib, config, pkgs, ... }:
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let
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cfg = config.services.roundcube;
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fpm = config.services.phpfpm.pools.roundcube;
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localDB = cfg.database.host == "localhost";
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user = cfg.database.username;
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phpWithPspell = pkgs.php83.withExtensions ({ enabled, all }: [ all.pspell ] ++ enabled);
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in
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{
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options.services.roundcube = {
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enable = lib.mkOption {
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type = lib.types.bool;
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default = false;
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description = ''
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Whether to enable roundcube.
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Also enables nginx virtual host management.
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Further nginx configuration can be done by adapting `services.nginx.virtualHosts.<name>`.
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See [](#opt-services.nginx.virtualHosts) for further information.
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'';
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};
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hostName = lib.mkOption {
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type = lib.types.str;
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example = "webmail.example.com";
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description = "Hostname to use for the nginx vhost";
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};
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package = lib.mkPackageOption pkgs "roundcube" {
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example = "roundcube.withPlugins (plugins: [ plugins.persistent_login ])";
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};
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database = {
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username = lib.mkOption {
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type = lib.types.str;
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default = "roundcube";
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description = ''
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Username for the postgresql connection.
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If `database.host` is set to `localhost`, a unix user and group of the same name will be created as well.
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'';
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};
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host = lib.mkOption {
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type = lib.types.str;
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default = "localhost";
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description = ''
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Host of the postgresql server. If this is not set to
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`localhost`, you have to create the
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postgresql user and database yourself, with appropriate
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permissions.
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'';
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};
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password = lib.mkOption {
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type = lib.types.str;
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description = "Password for the postgresql connection. Do not use: the password will be stored world readable in the store; use `passwordFile` instead.";
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default = "";
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};
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passwordFile = lib.mkOption {
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type = lib.types.str;
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description = ''
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Password file for the postgresql connection.
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Must be formatted according to PostgreSQL .pgpass standard (see https://www.postgresql.org/docs/current/libpq-pgpass.html)
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but only one line, no comments and readable by user `nginx`.
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Ignored if `database.host` is set to `localhost`, as peer authentication will be used.
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'';
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};
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dbname = lib.mkOption {
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type = lib.types.str;
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default = "roundcube";
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description = "Name of the postgresql database";
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};
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};
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plugins = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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default = [];
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description = ''
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List of roundcube plugins to enable. Currently, only those directly shipped with Roundcube are supported.
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'';
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};
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dicts = lib.mkOption {
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type = lib.types.listOf lib.types.package;
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default = [];
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example = lib.literalExpression "with pkgs.aspellDicts; [ en fr de ]";
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description = ''
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List of aspell dictionaries for spell checking. If empty, spell checking is disabled.
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'';
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};
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maxAttachmentSize = lib.mkOption {
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type = lib.types.int;
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default = 18;
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apply = configuredMaxAttachmentSize: "${toString (configuredMaxAttachmentSize * 1.37)}M";
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description = ''
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The maximum attachment size in MB.
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[upstream issue comment]: https://github.com/roundcube/roundcubemail/issues/7979#issuecomment-808879209
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::: {.note}
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Since there is some overhead in base64 encoding applied to attachments, + 37% will be added
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to the value set in this option in order to offset the overhead. For example, setting
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`maxAttachmentSize` to `100` would result in `137M` being the real value in the configuration.
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See [upstream issue comment] for more details on the motivations behind this.
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:::
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'';
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};
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configureNginx = lib.mkOption {
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type = lib.types.bool;
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default = true;
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description = "Configure nginx as a reverse proxy for roundcube.";
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};
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extraConfig = lib.mkOption {
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type = lib.types.lines;
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default = "";
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description = "Extra configuration for roundcube webmail instance";
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};
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};
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config = lib.mkIf cfg.enable {
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# backward compatibility: if password is set but not passwordFile, make one.
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services.roundcube.database.passwordFile = lib.mkIf (!localDB && cfg.database.password != "") (lib.mkDefault ("${pkgs.writeText "roundcube-password" cfg.database.password}"));
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warnings = lib.optional (!localDB && cfg.database.password != "") "services.roundcube.database.password is deprecated and insecure; use services.roundcube.database.passwordFile instead";
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environment.etc."roundcube/config.inc.php".text = ''
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<?php
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${lib.optionalString (!localDB) ''
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$password = file('${cfg.database.passwordFile}')[0];
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$password = preg_split('~\\\\.(*SKIP)(*FAIL)|\:~s', $password);
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$password = rtrim(end($password));
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$password = str_replace("\\:", ":", $password);
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$password = str_replace("\\\\", "\\", $password);
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''}
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$config = array();
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$config['db_dsnw'] = 'pgsql://${cfg.database.username}${lib.optionalString (!localDB) ":' . $password . '"}@${if localDB then "unix(/run/postgresql)" else cfg.database.host}/${cfg.database.dbname}';
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$config['log_driver'] = 'syslog';
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$config['max_message_size'] = '${cfg.maxAttachmentSize}';
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$config['plugins'] = [${lib.concatMapStringsSep "," (p: "'${p}'") cfg.plugins}];
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$config['des_key'] = file_get_contents('/var/lib/roundcube/des_key');
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$config['mime_types'] = '${pkgs.nginx}/conf/mime.types';
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# Roundcube uses PHP-FPM which has `PrivateTmp = true;`
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$config['temp_dir'] = '/tmp';
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$config['enable_spellcheck'] = ${if cfg.dicts == [] then "false" else "true"};
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# by default, spellchecking uses a third-party cloud services
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$config['spellcheck_engine'] = 'pspell';
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$config['spellcheck_languages'] = array(${lib.concatMapStringsSep ", " (dict: let p = builtins.parseDrvName dict.shortName; in "'${p.name}' => '${dict.fullName}'") cfg.dicts});
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${cfg.extraConfig}
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'';
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services.nginx = lib.mkIf cfg.configureNginx {
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enable = true;
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virtualHosts = {
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${cfg.hostName} = {
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forceSSL = lib.mkDefault true;
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enableACME = lib.mkDefault true;
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root = cfg.package;
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locations."/" = {
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index = "index.php";
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priority = 1100;
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extraConfig = ''
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add_header Cache-Control 'public, max-age=604800, must-revalidate';
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'';
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};
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locations."~ ^/(SQL|bin|config|logs|temp|vendor)/" = {
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priority = 3110;
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extraConfig = ''
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return 404;
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'';
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};
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locations."~ ^/(CHANGELOG.md|INSTALL|LICENSE|README.md|SECURITY.md|UPGRADING|composer.json|composer.lock)" = {
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priority = 3120;
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extraConfig = ''
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return 404;
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'';
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};
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locations."~* \\.php(/|$)" = {
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priority = 3130;
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extraConfig = ''
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fastcgi_pass unix:${fpm.socket};
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fastcgi_param PATH_INFO $fastcgi_path_info;
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fastcgi_split_path_info ^(.+\.php)(/.+)$;
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include ${config.services.nginx.package}/conf/fastcgi.conf;
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'';
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};
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};
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};
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};
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assertions = [
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{
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assertion = localDB -> cfg.database.username == cfg.database.dbname;
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message = ''
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When setting up a DB and its owner user, the owner and the DB name must be
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equal!
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'';
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}
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];
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services.postgresql = lib.mkIf localDB {
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enable = true;
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ensureDatabases = [ cfg.database.dbname ];
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ensureUsers = [ {
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name = cfg.database.username;
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ensureDBOwnership = true;
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} ];
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};
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users.users.${user} = lib.mkIf localDB {
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group = user;
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isSystemUser = true;
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createHome = false;
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};
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users.groups.${user} = lib.mkIf localDB {};
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services.phpfpm.pools.roundcube = {
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user = if localDB then user else "nginx";
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phpOptions = ''
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error_log = 'stderr'
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log_errors = on
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post_max_size = ${cfg.maxAttachmentSize}
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upload_max_filesize = ${cfg.maxAttachmentSize}
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'';
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settings = lib.mapAttrs (name: lib.mkDefault) {
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"listen.owner" = "nginx";
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"listen.group" = "nginx";
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"listen.mode" = "0660";
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"pm" = "dynamic";
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"pm.max_children" = 75;
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"pm.start_servers" = 2;
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"pm.min_spare_servers" = 1;
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"pm.max_spare_servers" = 20;
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"pm.max_requests" = 500;
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"catch_workers_output" = true;
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};
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phpPackage = phpWithPspell;
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phpEnv.ASPELL_CONF = "dict-dir ${pkgs.aspellWithDicts (_: cfg.dicts)}/lib/aspell";
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};
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systemd.services.phpfpm-roundcube.after = [ "roundcube-setup.service" ];
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# Restart on config changes.
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systemd.services.phpfpm-roundcube.restartTriggers = [
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config.environment.etc."roundcube/config.inc.php".source
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];
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systemd.services.roundcube-setup = lib.mkMerge [
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(lib.mkIf (cfg.database.host == "localhost") {
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requires = [ "postgresql.service" ];
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after = [ "postgresql.service" ];
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})
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{
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wants = [ "network-online.target" ];
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after = [ "network-online.target" ];
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wantedBy = [ "multi-user.target" ];
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path = [ config.services.postgresql.package ];
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script = let
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psql = "${lib.optionalString (!localDB) "PGPASSFILE=${cfg.database.passwordFile}"} psql ${lib.optionalString (!localDB) "-h ${cfg.database.host} -U ${cfg.database.username} "} ${cfg.database.dbname}";
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in
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''
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version="$(${psql} -t <<< "select value from system where name = 'roundcube-version';" || true)"
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if ! (grep -E '[a-zA-Z0-9]' <<< "$version"); then
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${psql} -f ${cfg.package}/SQL/postgres.initial.sql
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fi
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if [ ! -f /var/lib/roundcube/des_key ]; then
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base64 /dev/urandom | head -c 24 > /var/lib/roundcube/des_key;
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# we need to log out everyone in case change the des_key
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# from the default when upgrading from nixos 19.09
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${psql} <<< 'TRUNCATE TABLE session;'
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fi
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${phpWithPspell}/bin/php ${cfg.package}/bin/update.sh
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'';
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serviceConfig = {
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Type = "oneshot";
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StateDirectory = "roundcube";
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User = if localDB then user else "nginx";
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# so that the des_key is not world readable
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StateDirectoryMode = "0700";
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};
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}
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];
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};
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}
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