388 lines
14 KiB
Nix
388 lines
14 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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inherit (lib) mkEnableOption mkForce mkIf mkMerge mkOption optionalAttrs recursiveUpdate types maintainers;
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inherit (lib) concatMapStringsSep flatten mapAttrs mapAttrs' mapAttrsToList nameValuePair concatMapStringSep;
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eachSite = config.services.dokuwiki;
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user = "dokuwiki";
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group = config.services.nginx.group;
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dokuwikiAclAuthConfig = cfg: pkgs.writeText "acl.auth.php" ''
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# acl.auth.php
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# <?php exit()?>
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#
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# Access Control Lists
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#
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${toString cfg.acl}
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'';
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dokuwikiLocalConfig = cfg: pkgs.writeText "local.php" ''
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<?php
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$conf['savedir'] = '${cfg.stateDir}';
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$conf['superuser'] = '${toString cfg.superUser}';
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$conf['useacl'] = '${toString cfg.aclUse}';
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$conf['disableactions'] = '${cfg.disableActions}';
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${toString cfg.extraConfig}
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'';
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dokuwikiPluginsLocalConfig = cfg: pkgs.writeText "plugins.local.php" ''
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<?php
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${cfg.pluginsConfig}
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'';
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pkg = hostName: cfg: pkgs.stdenv.mkDerivation rec {
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pname = "dokuwiki-${hostName}";
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version = src.version;
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src = cfg.package;
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installPhase = ''
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mkdir -p $out
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cp -r * $out/
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# symlink the dokuwiki config
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ln -s ${dokuwikiLocalConfig cfg} $out/share/dokuwiki/local.php
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# symlink plugins config
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ln -s ${dokuwikiPluginsLocalConfig cfg} $out/share/dokuwiki/plugins.local.php
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# symlink acl
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ln -s ${dokuwikiAclAuthConfig cfg} $out/share/dokuwiki/acl.auth.php
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# symlink additional plugin(s) and templates(s)
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${concatMapStringsSep "\n" (template: "ln -s ${template} $out/share/dokuwiki/lib/tpl/${template.name}") cfg.templates}
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${concatMapStringsSep "\n" (plugin: "ln -s ${plugin} $out/share/dokuwiki/lib/plugins/${plugin.name}") cfg.plugins}
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'';
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};
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siteOpts = { config, lib, name, ...}: {
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options = {
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enable = mkEnableOption "DokuWiki web application.";
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package = mkOption {
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type = types.package;
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default = pkgs.dokuwiki;
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description = "Which dokuwiki package to use.";
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};
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hostName = mkOption {
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type = types.str;
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default = "localhost";
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description = "FQDN for the instance.";
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};
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stateDir = mkOption {
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type = types.path;
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default = "/var/lib/dokuwiki/${name}/data";
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description = "Location of the dokuwiki state directory.";
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};
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acl = mkOption {
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type = types.nullOr types.lines;
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default = null;
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example = "* @ALL 8";
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description = ''
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Access Control Lists: see <link xlink:href="https://www.dokuwiki.org/acl"/>
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Mutually exclusive with services.dokuwiki.aclFile
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Set this to a value other than null to take precedence over aclFile option.
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Warning: Consider using aclFile instead if you do not
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want to store the ACL in the world-readable Nix store.
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'';
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};
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aclFile = mkOption {
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type = with types; nullOr str;
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default = if (config.aclUse && config.acl == null) then "/var/lib/dokuwiki/${name}/acl.auth.php" else null;
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description = ''
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Location of the dokuwiki acl rules. Mutually exclusive with services.dokuwiki.acl
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Mutually exclusive with services.dokuwiki.acl which is preferred.
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Consult documentation <link xlink:href="https://www.dokuwiki.org/acl"/> for further instructions.
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Example: <link xlink:href="https://github.com/splitbrain/dokuwiki/blob/master/conf/acl.auth.php.dist"/>
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'';
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example = "/var/lib/dokuwiki/${name}/acl.auth.php";
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};
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aclUse = mkOption {
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type = types.bool;
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default = true;
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description = ''
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Necessary for users to log in into the system.
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Also limits anonymous users. When disabled,
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everyone is able to create and edit content.
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'';
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};
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pluginsConfig = mkOption {
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type = types.lines;
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default = ''
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$plugins['authad'] = 0;
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$plugins['authldap'] = 0;
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$plugins['authmysql'] = 0;
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$plugins['authpgsql'] = 0;
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'';
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description = ''
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List of the dokuwiki (un)loaded plugins.
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'';
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};
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superUser = mkOption {
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type = types.nullOr types.str;
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default = "@admin";
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description = ''
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You can set either a username, a list of usernames (“admin1,admin2”),
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or the name of a group by prepending an @ char to the groupname
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Consult documentation <link xlink:href="https://www.dokuwiki.org/config:superuser"/> for further instructions.
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'';
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};
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usersFile = mkOption {
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type = with types; nullOr str;
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default = if config.aclUse then "/var/lib/dokuwiki/${name}/users.auth.php" else null;
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description = ''
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Location of the dokuwiki users file. List of users. Format:
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login:passwordhash:Real Name:email:groups,comma,separated
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Create passwordHash easily by using:$ mkpasswd -5 password `pwgen 8 1`
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Example: <link xlink:href="https://github.com/splitbrain/dokuwiki/blob/master/conf/users.auth.php.dist"/>
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'';
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example = "/var/lib/dokuwiki/${name}/users.auth.php";
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};
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disableActions = mkOption {
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type = types.nullOr types.str;
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default = "";
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example = "search,register";
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description = ''
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Disable individual action modes. Refer to
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<link xlink:href="https://www.dokuwiki.org/config:action_modes"/>
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for details on supported values.
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'';
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};
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extraConfig = mkOption {
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type = types.nullOr types.lines;
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default = null;
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example = ''
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$conf['title'] = 'My Wiki';
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$conf['userewrite'] = 1;
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'';
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description = ''
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DokuWiki configuration. Refer to
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<link xlink:href="https://www.dokuwiki.org/config"/>
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for details on supported values.
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'';
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};
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plugins = mkOption {
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type = types.listOf types.path;
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default = [];
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description = ''
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List of path(s) to respective plugin(s) which are copied from the 'plugin' directory.
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<note><para>These plugins need to be packaged before use, see example.</para></note>
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'';
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example = ''
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# Let's package the icalevents plugin
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plugin-icalevents = pkgs.stdenv.mkDerivation {
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name = "icalevents";
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# Download the plugin from the dokuwiki site
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src = pkgs.fetchurl {
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url = "https://github.com/real-or-random/dokuwiki-plugin-icalevents/releases/download/2017-06-16/dokuwiki-plugin-icalevents-2017-06-16.zip";
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sha256 = "e40ed7dd6bbe7fe3363bbbecb4de481d5e42385b5a0f62f6a6ce6bf3a1f9dfa8";
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};
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sourceRoot = ".";
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# We need unzip to build this package
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nativeBuildInputs = [ pkgs.unzip ];
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# Installing simply means copying all files to the output directory
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installPhase = "mkdir -p $out; cp -R * $out/";
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};
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# And then pass this theme to the plugin list like this:
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plugins = [ plugin-icalevents ];
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'';
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};
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templates = mkOption {
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type = types.listOf types.path;
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default = [];
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description = ''
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List of path(s) to respective template(s) which are copied from the 'tpl' directory.
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<note><para>These templates need to be packaged before use, see example.</para></note>
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'';
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example = ''
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# Let's package the bootstrap3 theme
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template-bootstrap3 = pkgs.stdenv.mkDerivation {
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name = "bootstrap3";
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# Download the theme from the dokuwiki site
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src = pkgs.fetchurl {
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url = "https://github.com/giterlizzi/dokuwiki-template-bootstrap3/archive/v2019-05-22.zip";
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sha256 = "4de5ff31d54dd61bbccaf092c9e74c1af3a4c53e07aa59f60457a8f00cfb23a6";
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};
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# We need unzip to build this package
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nativeBuildInputs = [ pkgs.unzip ];
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# Installing simply means copying all files to the output directory
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installPhase = "mkdir -p $out; cp -R * $out/";
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};
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# And then pass this theme to the template list like this:
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templates = [ template-bootstrap3 ];
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'';
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};
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poolConfig = mkOption {
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type = with types; attrsOf (oneOf [ str int bool ]);
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default = {
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"pm" = "dynamic";
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"pm.max_children" = 32;
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"pm.start_servers" = 2;
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"pm.min_spare_servers" = 2;
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"pm.max_spare_servers" = 4;
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"pm.max_requests" = 500;
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};
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description = ''
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Options for the dokuwiki PHP pool. See the documentation on <literal>php-fpm.conf</literal>
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for details on configuration directives.
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'';
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};
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nginx = mkOption {
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type = types.submodule (
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recursiveUpdate
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(import ../web-servers/nginx/vhost-options.nix { inherit config lib; }) {}
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);
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default = {};
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example = {
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serverAliases = [
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"wiki.\${config.networking.domain}"
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];
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# To enable encryption and let let's encrypt take care of certificate
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forceSSL = true;
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enableACME = true;
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};
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description = ''
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With this option, you can customize the nginx virtualHost settings.
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'';
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};
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};
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};
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in
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{
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# interface
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options = {
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services.dokuwiki = mkOption {
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type = types.attrsOf (types.submodule siteOpts);
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default = {};
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description = "Sepcification of one or more dokuwiki sites to serve.";
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};
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};
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# implementation
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config = mkIf (eachSite != {}) {
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warnings = mapAttrsToList (hostName: cfg: mkIf (cfg.superUser == null) "Not setting services.dokuwiki.${hostName} superUser will impair your ability to administer DokuWiki") eachSite;
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assertions = flatten (mapAttrsToList (hostName: cfg:
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[{
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assertion = cfg.aclUse -> (cfg.acl != null || cfg.aclFile != null);
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message = "Either services.dokuwiki.${hostName}.acl or services.dokuwiki.${hostName}.aclFile is mandatory if aclUse true";
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}
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{
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assertion = cfg.usersFile != null -> cfg.aclUse != false;
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message = "services.dokuwiki.${hostName}.aclUse must must be true if usersFile is not null";
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}
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]) eachSite);
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services.phpfpm.pools = mapAttrs' (hostName: cfg: (
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nameValuePair "dokuwiki-${hostName}" {
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inherit user;
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inherit group;
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phpEnv = {
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DOKUWIKI_LOCAL_CONFIG = "${dokuwikiLocalConfig cfg}";
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DOKUWIKI_PLUGINS_LOCAL_CONFIG = "${dokuwikiPluginsLocalConfig cfg}";
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} // optionalAttrs (cfg.usersFile != null) {
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DOKUWIKI_USERS_AUTH_CONFIG = "${cfg.usersFile}";
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} //optionalAttrs (cfg.aclUse) {
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DOKUWIKI_ACL_AUTH_CONFIG = if (cfg.acl != null) then "${dokuwikiAclAuthConfig cfg}" else "${toString cfg.aclFile}";
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};
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settings = {
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"listen.mode" = "0660";
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"listen.owner" = user;
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"listen.group" = group;
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} // cfg.poolConfig;
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})) eachSite;
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services.nginx = {
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enable = true;
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virtualHosts = mapAttrs (hostName: cfg: mkMerge [ cfg.nginx {
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root = mkForce "${pkg hostName cfg}/share/dokuwiki";
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extraConfig = lib.optionalString (cfg.nginx.addSSL || cfg.nginx.forceSSL || cfg.nginx.onlySSL || cfg.nginx.enableACME) "fastcgi_param HTTPS on;";
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locations."~ /(conf/|bin/|inc/|install.php)" = {
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extraConfig = "deny all;";
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};
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locations."~ ^/data/" = {
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root = "${cfg.stateDir}";
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extraConfig = "internal;";
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};
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locations."~ ^/lib.*\\.(js|css|gif|png|ico|jpg|jpeg)$" = {
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extraConfig = "expires 365d;";
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};
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locations."/" = {
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priority = 1;
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index = "doku.php";
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extraConfig = "try_files $uri $uri/ @dokuwiki;";
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};
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locations."@dokuwiki" = {
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extraConfig = ''
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# rewrites "doku.php/" out of the URLs if you set the userwrite setting to .htaccess in dokuwiki config page
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rewrite ^/_media/(.*) /lib/exe/fetch.php?media=$1 last;
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rewrite ^/_detail/(.*) /lib/exe/detail.php?media=$1 last;
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rewrite ^/_export/([^/]+)/(.*) /doku.php?do=export_$1&id=$2 last;
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rewrite ^/(.*) /doku.php?id=$1&$args last;
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'';
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};
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locations."~ \\.php$" = {
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extraConfig = ''
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try_files $uri $uri/ /doku.php;
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include ${pkgs.nginx}/conf/fastcgi_params;
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fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
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fastcgi_param REDIRECT_STATUS 200;
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fastcgi_pass unix:${config.services.phpfpm.pools."dokuwiki-${hostName}".socket};
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${lib.optionalString (cfg.nginx.addSSL || cfg.nginx.forceSSL || cfg.nginx.onlySSL || cfg.nginx.enableACME) "fastcgi_param HTTPS on;"}
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'';
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};
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}]) eachSite;
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};
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systemd.tmpfiles.rules = flatten (mapAttrsToList (hostName: cfg: [
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"d ${cfg.stateDir}/attic 0750 ${user} ${group} - -"
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"d ${cfg.stateDir}/cache 0750 ${user} ${group} - -"
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"d ${cfg.stateDir}/index 0750 ${user} ${group} - -"
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"d ${cfg.stateDir}/locks 0750 ${user} ${group} - -"
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"d ${cfg.stateDir}/media 0750 ${user} ${group} - -"
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"d ${cfg.stateDir}/media_attic 0750 ${user} ${group} - -"
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"d ${cfg.stateDir}/media_meta 0750 ${user} ${group} - -"
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"d ${cfg.stateDir}/meta 0750 ${user} ${group} - -"
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"d ${cfg.stateDir}/pages 0750 ${user} ${group} - -"
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"d ${cfg.stateDir}/tmp 0750 ${user} ${group} - -"
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] ++ lib.optional (cfg.aclFile != null) "C ${cfg.aclFile} 0640 ${user} ${group} - ${pkg hostName cfg}/share/dokuwiki/conf/acl.auth.php.dist"
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++ lib.optional (cfg.usersFile != null) "C ${cfg.usersFile} 0640 ${user} ${group} - ${pkg hostName cfg}/share/dokuwiki/conf/users.auth.php.dist"
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) eachSite);
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users.users.${user} = {
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group = group;
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isSystemUser = true;
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};
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};
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meta.maintainers = with maintainers; [ _1000101 ];
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}
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