nixpkgs/nixos/modules/services/web-apps/dokuwiki.nix
2022-02-08 12:13:30 +01:00

439 lines
16 KiB
Nix

{ config, pkgs, lib, ... }:
with lib;
let
cfg = config.services.dokuwiki;
eachSite = cfg.sites;
user = "dokuwiki";
webserver = config.services.${cfg.webserver};
stateDir = hostName: "/var/lib/dokuwiki/${hostName}/data";
dokuwikiAclAuthConfig = hostName: cfg: pkgs.writeText "acl.auth-${hostName}.php" ''
# acl.auth.php
# <?php exit()?>
#
# Access Control Lists
#
${toString cfg.acl}
'';
dokuwikiLocalConfig = hostName: cfg: pkgs.writeText "local-${hostName}.php" ''
<?php
$conf['savedir'] = '${cfg.stateDir}';
$conf['superuser'] = '${toString cfg.superUser}';
$conf['useacl'] = '${toString cfg.aclUse}';
$conf['disableactions'] = '${cfg.disableActions}';
${toString cfg.extraConfig}
'';
dokuwikiPluginsLocalConfig = hostName: cfg: pkgs.writeText "plugins.local-${hostName}.php" ''
<?php
${cfg.pluginsConfig}
'';
pkg = hostName: cfg: pkgs.stdenv.mkDerivation rec {
pname = "dokuwiki-${hostName}";
version = src.version;
src = cfg.package;
installPhase = ''
mkdir -p $out
cp -r * $out/
# symlink the dokuwiki config
ln -s ${dokuwikiLocalConfig hostName cfg} $out/share/dokuwiki/local.php
# symlink plugins config
ln -s ${dokuwikiPluginsLocalConfig hostName cfg} $out/share/dokuwiki/plugins.local.php
# symlink acl
ln -s ${dokuwikiAclAuthConfig hostName cfg} $out/share/dokuwiki/acl.auth.php
# symlink additional plugin(s) and templates(s)
${concatMapStringsSep "\n" (template: "ln -s ${template} $out/share/dokuwiki/lib/tpl/${template.name}") cfg.templates}
${concatMapStringsSep "\n" (plugin: "ln -s ${plugin} $out/share/dokuwiki/lib/plugins/${plugin.name}") cfg.plugins}
'';
};
siteOpts = { config, lib, name, ... }:
{
options = {
enable = mkEnableOption "DokuWiki web application.";
package = mkOption {
type = types.package;
default = pkgs.dokuwiki;
defaultText = literalExpression "pkgs.dokuwiki";
description = "Which DokuWiki package to use.";
};
stateDir = mkOption {
type = types.path;
default = "/var/lib/dokuwiki/${name}/data";
description = "Location of the DokuWiki state directory.";
};
acl = mkOption {
type = types.nullOr types.lines;
default = null;
example = "* @ALL 8";
description = ''
Access Control Lists: see <link xlink:href="https://www.dokuwiki.org/acl"/>
Mutually exclusive with services.dokuwiki.aclFile
Set this to a value other than null to take precedence over aclFile option.
Warning: Consider using aclFile instead if you do not
want to store the ACL in the world-readable Nix store.
'';
};
aclFile = mkOption {
type = with types; nullOr str;
default = if (config.aclUse && config.acl == null) then "/var/lib/dokuwiki/${name}/acl.auth.php" else null;
description = ''
Location of the dokuwiki acl rules. Mutually exclusive with services.dokuwiki.acl
Mutually exclusive with services.dokuwiki.acl which is preferred.
Consult documentation <link xlink:href="https://www.dokuwiki.org/acl"/> for further instructions.
Example: <link xlink:href="https://github.com/splitbrain/dokuwiki/blob/master/conf/acl.auth.php.dist"/>
'';
example = "/var/lib/dokuwiki/${name}/acl.auth.php";
};
aclUse = mkOption {
type = types.bool;
default = true;
description = ''
Necessary for users to log in into the system.
Also limits anonymous users. When disabled,
everyone is able to create and edit content.
'';
};
pluginsConfig = mkOption {
type = types.lines;
default = ''
$plugins['authad'] = 0;
$plugins['authldap'] = 0;
$plugins['authmysql'] = 0;
$plugins['authpgsql'] = 0;
'';
description = ''
List of the dokuwiki (un)loaded plugins.
'';
};
superUser = mkOption {
type = types.nullOr types.str;
default = "@admin";
description = ''
You can set either a username, a list of usernames (admin1,admin2),
or the name of a group by prepending an @ char to the groupname
Consult documentation <link xlink:href="https://www.dokuwiki.org/config:superuser"/> for further instructions.
'';
};
usersFile = mkOption {
type = with types; nullOr str;
default = if config.aclUse then "/var/lib/dokuwiki/${name}/users.auth.php" else null;
description = ''
Location of the dokuwiki users file. List of users. Format:
login:passwordhash:Real Name:email:groups,comma,separated
Create passwordHash easily by using:$ mkpasswd -5 password `pwgen 8 1`
Example: <link xlink:href="https://github.com/splitbrain/dokuwiki/blob/master/conf/users.auth.php.dist"/>
'';
example = "/var/lib/dokuwiki/${name}/users.auth.php";
};
disableActions = mkOption {
type = types.nullOr types.str;
default = "";
example = "search,register";
description = ''
Disable individual action modes. Refer to
<link xlink:href="https://www.dokuwiki.org/config:action_modes"/>
for details on supported values.
'';
};
plugins = mkOption {
type = types.listOf types.path;
default = [];
description = ''
List of path(s) to respective plugin(s) which are copied from the 'plugin' directory.
<note><para>These plugins need to be packaged before use, see example.</para></note>
'';
example = literalExpression ''
let
# Let's package the icalevents plugin
plugin-icalevents = pkgs.stdenv.mkDerivation {
name = "icalevents";
# Download the plugin from the dokuwiki site
src = pkgs.fetchurl {
url = "https://github.com/real-or-random/dokuwiki-plugin-icalevents/releases/download/2017-06-16/dokuwiki-plugin-icalevents-2017-06-16.zip";
sha256 = "e40ed7dd6bbe7fe3363bbbecb4de481d5e42385b5a0f62f6a6ce6bf3a1f9dfa8";
};
sourceRoot = ".";
# We need unzip to build this package
buildInputs = [ pkgs.unzip ];
# Installing simply means copying all files to the output directory
installPhase = "mkdir -p $out; cp -R * $out/";
};
# And then pass this theme to the plugin list like this:
in [ plugin-icalevents ]
'';
};
templates = mkOption {
type = types.listOf types.path;
default = [];
description = ''
List of path(s) to respective template(s) which are copied from the 'tpl' directory.
<note><para>These templates need to be packaged before use, see example.</para></note>
'';
example = literalExpression ''
let
# Let's package the bootstrap3 theme
template-bootstrap3 = pkgs.stdenv.mkDerivation {
name = "bootstrap3";
# Download the theme from the dokuwiki site
src = pkgs.fetchurl {
url = "https://github.com/giterlizzi/dokuwiki-template-bootstrap3/archive/v2019-05-22.zip";
sha256 = "4de5ff31d54dd61bbccaf092c9e74c1af3a4c53e07aa59f60457a8f00cfb23a6";
};
# We need unzip to build this package
buildInputs = [ pkgs.unzip ];
# Installing simply means copying all files to the output directory
installPhase = "mkdir -p $out; cp -R * $out/";
};
# And then pass this theme to the template list like this:
in [ template-bootstrap3 ]
'';
};
poolConfig = mkOption {
type = with types; attrsOf (oneOf [ str int bool ]);
default = {
"pm" = "dynamic";
"pm.max_children" = 32;
"pm.start_servers" = 2;
"pm.min_spare_servers" = 2;
"pm.max_spare_servers" = 4;
"pm.max_requests" = 500;
};
description = ''
Options for the DokuWiki PHP pool. See the documentation on <literal>php-fpm.conf</literal>
for details on configuration directives.
'';
};
extraConfig = mkOption {
type = types.nullOr types.lines;
default = null;
example = ''
$conf['title'] = 'My Wiki';
$conf['userewrite'] = 1;
'';
description = ''
DokuWiki configuration. Refer to
<link xlink:href="https://www.dokuwiki.org/config"/>
for details on supported values.
'';
};
};
};
in
{
# interface
options = {
services.dokuwiki = {
sites = mkOption {
type = types.attrsOf (types.submodule siteOpts);
default = {};
description = "Specification of one or more DokuWiki sites to serve";
};
webserver = mkOption {
type = types.enum [ "nginx" "caddy" ];
default = "nginx";
description = ''
Whether to use nginx or caddy for virtual host management.
Further nginx configuration can be done by adapting <literal>services.nginx.virtualHosts.&lt;name&gt;</literal>.
See <xref linkend="opt-services.nginx.virtualHosts"/> for further information.
Further apache2 configuration can be done by adapting <literal>services.httpd.virtualHosts.&lt;name&gt;</literal>.
See <xref linkend="opt-services.httpd.virtualHosts"/> for further information.
'';
};
};
};
# implementation
config = mkIf (eachSite != {}) (mkMerge [{
assertions = flatten (mapAttrsToList (hostName: cfg:
[{
assertion = cfg.aclUse -> (cfg.acl != null || cfg.aclFile != null);
message = "Either services.dokuwiki.sites.${hostName}.acl or services.dokuwiki.sites.${hostName}.aclFile is mandatory if aclUse true";
}
{
assertion = cfg.usersFile != null -> cfg.aclUse != false;
message = "services.dokuwiki.sites.${hostName}.aclUse must must be true if usersFile is not null";
}
]) eachSite);
services.phpfpm.pools = mapAttrs' (hostName: cfg: (
nameValuePair "dokuwiki-${hostName}" {
inherit user;
group = webserver.group;
# Not yet compatible with php 8 https://www.dokuwiki.org/requirements
# https://github.com/splitbrain/dokuwiki/issues/3545
phpPackage = pkgs.php74;
phpEnv = {
DOKUWIKI_LOCAL_CONFIG = "${dokuwikiLocalConfig hostName cfg}";
DOKUWIKI_PLUGINS_LOCAL_CONFIG = "${dokuwikiPluginsLocalConfig hostName cfg}";
} // optionalAttrs (cfg.usersFile != null) {
DOKUWIKI_USERS_AUTH_CONFIG = "${cfg.usersFile}";
} //optionalAttrs (cfg.aclUse) {
DOKUWIKI_ACL_AUTH_CONFIG = if (cfg.acl != null) then "${dokuwikiAclAuthConfig hostName cfg}" else "${toString cfg.aclFile}";
};
settings = {
"listen.owner" = webserver.user;
"listen.group" = webserver.group;
} // cfg.poolConfig;
}
)) eachSite;
}
{
systemd.tmpfiles.rules = flatten (mapAttrsToList (hostName: cfg: [
"d ${stateDir hostName}/attic 0750 ${user} ${webserver.group} - -"
"d ${stateDir hostName}/cache 0750 ${user} ${webserver.group} - -"
"d ${stateDir hostName}/index 0750 ${user} ${webserver.group} - -"
"d ${stateDir hostName}/locks 0750 ${user} ${webserver.group} - -"
"d ${stateDir hostName}/media 0750 ${user} ${webserver.group} - -"
"d ${stateDir hostName}/media_attic 0750 ${user} ${webserver.group} - -"
"d ${stateDir hostName}/media_meta 0750 ${user} ${webserver.group} - -"
"d ${stateDir hostName}/meta 0750 ${user} ${webserver.group} - -"
"d ${stateDir hostName}/pages 0750 ${user} ${webserver.group} - -"
"d ${stateDir hostName}/tmp 0750 ${user} ${webserver.group} - -"
] ++ lib.optional (cfg.aclFile != null) "C ${cfg.aclFile} 0640 ${user} ${webserver.group} - ${pkg hostName cfg}/share/dokuwiki/conf/acl.auth.php.dist"
++ lib.optional (cfg.usersFile != null) "C ${cfg.usersFile} 0640 ${user} ${webserver.group} - ${pkg hostName cfg}/share/dokuwiki/conf/users.auth.php.dist"
) eachSite);
users.users.${user} = {
group = webserver.group;
isSystemUser = true;
};
}
(mkIf (cfg.webserver == "nginx") {
services.nginx = {
enable = true;
virtualHosts = mapAttrs (hostName: cfg: {
serverName = mkDefault hostName;
root = "${pkg hostName cfg}/share/dokuwiki";
locations = {
"~ /(conf/|bin/|inc/|install.php)" = {
extraConfig = "deny all;";
};
"~ ^/data/" = {
root = "${stateDir hostName}";
extraConfig = "internal;";
};
"~ ^/lib.*\.(js|css|gif|png|ico|jpg|jpeg)$" = {
extraConfig = "expires 365d;";
};
"/" = {
priority = 1;
index = "doku.php";
extraConfig = ''try_files $uri $uri/ @dokuwiki;'';
};
"@dokuwiki" = {
extraConfig = ''
# rewrites "doku.php/" out of the URLs if you set the userwrite setting to .htaccess in dokuwiki config page
rewrite ^/_media/(.*) /lib/exe/fetch.php?media=$1 last;
rewrite ^/_detail/(.*) /lib/exe/detail.php?media=$1 last;
rewrite ^/_export/([^/]+)/(.*) /doku.php?do=export_$1&id=$2 last;
rewrite ^/(.*) /doku.php?id=$1&$args last;
'';
};
"~ \\.php$" = {
extraConfig = ''
try_files $uri $uri/ /doku.php;
include ${config.services.nginx.package}/conf/fastcgi_params;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
fastcgi_param REDIRECT_STATUS 200;
fastcgi_pass unix:${config.services.phpfpm.pools."dokuwiki-${hostName}".socket};
'';
};
};
}) eachSite;
};
})
(mkIf (cfg.webserver == "caddy") {
services.caddy = {
enable = true;
virtualHosts = mapAttrs' (hostName: cfg: (
nameValuePair "http://${hostName}" {
extraConfig = ''
root * ${pkg hostName cfg}/share/dokuwiki
file_server
encode zstd gzip
php_fastcgi unix/${config.services.phpfpm.pools."dokuwiki-${hostName}".socket}
@restrict_files {
path /data/* /conf/* /bin/* /inc/* /vendor/* /install.php
}
respond @restrict_files 404
@allow_media {
path_regexp path ^/_media/(.*)$
}
rewrite @allow_media /lib/exe/fetch.php?media=/{http.regexp.path.1}
@allow_detail {
path /_detail*
}
rewrite @allow_detail /lib/exe/detail.php?media={path}
@allow_export {
path /_export*
path_regexp export /([^/]+)/(.*)
}
rewrite @allow_export /doku.php?do=export_{http.regexp.export.1}&id={http.regexp.export.2}
try_files {path} {path}/ /doku.php?id={path}&{query}
'';
}
)) eachSite;
};
})
]);
meta.maintainers = with maintainers; [
_1000101
onny
dandellion
];
}