nixpkgs/nixos/modules/services/web-apps/dokuwiki.nix
2020-01-24 13:27:10 +01:00

272 lines
8.5 KiB
Nix

{ config, lib, pkgs, ... }:
let
inherit (lib) mkEnableOption mkForce mkIf mkMerge mkOption optionalAttrs recursiveUpdate types;
cfg = config.services.dokuwiki;
user = config.services.nginx.user;
group = config.services.nginx.group;
dokuwikiAclAuthConfig = pkgs.writeText "acl.auth.php" ''
# acl.auth.php
# <?php exit()?>
#
# Access Control Lists
#
${toString cfg.acl}
'';
dokuwikiLocalConfig = pkgs.writeText "local.php" ''
<?php
$conf['savedir'] = '${cfg.stateDir}';
$conf['superuser'] = '${toString cfg.superUser}';
$conf['useacl'] = '${toString cfg.aclUse}';
${toString cfg.extraConfig}
'';
dokuwikiPluginsLocalConfig = pkgs.writeText "plugins.local.php" ''
<?php
${cfg.pluginsConfig}
'';
in
{
options.services.dokuwiki = {
enable = mkEnableOption "DokuWiki web application.";
hostName = mkOption {
type = types.str;
default = "localhost";
description = "FQDN for the instance.";
};
stateDir = mkOption {
type = types.path;
default = "/var/lib/dokuwiki/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.
'';
};
aclFile = mkOption {
type = types.nullOr types.path;
default = 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"/>
'';
};
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;
$plugins['authpgsql'] = 0;
'';
description = ''
List of the dokuwiki (un)loaded plugins.
'';
};
superUser = mkOption {
type = types.nullOr types.str;
default = "@admin";
description = ''
You can set either a username, a list of usernames (admin1,admin2),
or the name of a group by prepending an @ char to the groupname
Consult documentation <link xlink:href="https://www.dokuwiki.org/config:superuser"/> for further instructions.
'';
};
usersFile = mkOption {
type = types.nullOr types.path;
default = null;
description = ''
Location of the dokuwiki users file. List of users. Format:
login:passwordhash:Real Name:email:groups,comma,separated
Create passwordHash easily by using:$ mkpasswd -5 password `pwgen 8 1`
Example: <link xlink:href="https://github.com/splitbrain/dokuwiki/blob/master/conf/users.auth.php.dist"/>
'';
};
extraConfig = mkOption {
type = types.nullOr types.lines;
default = null;
example = ''
$conf['title'] = 'My Wiki';
$conf['userewrite'] = 1;
'';
description = ''
DokuWiki configuration. Refer to
<link xlink:href="https://www.dokuwiki.org/config"/>
for details on supported values.
'';
};
poolConfig = mkOption {
type = with types; attrsOf (oneOf [ str int bool ]);
default = {
"pm" = "dynamic";
"pm.max_children" = 32;
"pm.start_servers" = 2;
"pm.min_spare_servers" = 2;
"pm.max_spare_servers" = 4;
"pm.max_requests" = 500;
};
description = ''
Options for the dokuwiki PHP pool. See the documentation on <literal>php-fpm.conf</literal>
for details on configuration directives.
'';
};
nginx = mkOption {
type = types.submodule (
recursiveUpdate
(import ../web-servers/nginx/vhost-options.nix { inherit config lib; })
{
# Enable encryption by default,
options.forceSSL.default = true;
options.enableACME.default = true;
}
);
default = {forceSSL = true; enableACME = true;};
example = {
serverAliases = [
"wiki.\${config.networking.domain}"
];
enableACME = false;
};
description = ''
With this option, you can customize the nginx virtualHost which already has sensible defaults for DokuWiki.
'';
};
};
# implementation
config = mkIf cfg.enable {
warnings = mkIf (cfg.superUser == null) ["Not setting services.dokuwiki.superUser will impair your ability to administer DokuWiki"];
assertions = [
{
assertion = cfg.aclUse -> (cfg.acl != null || cfg.aclFile != null);
message = "Either services.dokuwiki.acl or services.dokuwiki.aclFile is mandatory when aclUse is true";
}
{
assertion = cfg.usersFile != null -> cfg.aclUse != false;
message = "services.dokuwiki.aclUse must be true when usersFile is not null";
}
];
services.phpfpm.pools.dokuwiki = {
inherit user;
inherit group;
phpEnv = {
DOKUWIKI_LOCAL_CONFIG = "${dokuwikiLocalConfig}";
DOKUWIKI_PLUGINS_LOCAL_CONFIG = "${dokuwikiPluginsLocalConfig}";
} //optionalAttrs (cfg.usersFile != null) {
DOKUWIKI_USERS_AUTH_CONFIG = "${cfg.usersFile}";
} //optionalAttrs (cfg.aclUse) {
DOKUWIKI_ACL_AUTH_CONFIG = if (cfg.acl != null) then "${dokuwikiAclAuthConfig}" else "${toString cfg.aclFile}";
};
settings = {
"listen.mode" = "0660";
"listen.owner" = user;
"listen.group" = group;
} // cfg.poolConfig;
};
services.nginx = {
enable = true;
virtualHosts = {
${cfg.hostName} = mkMerge [ cfg.nginx {
root = mkForce "${pkgs.dokuwiki}/share/dokuwiki/";
extraConfig = "fastcgi_param HTTPS on;";
locations."~ /(conf/|bin/|inc/|install.php)" = {
extraConfig = "deny all;";
};
locations."~ ^/data/" = {
root = "${cfg.stateDir}";
extraConfig = "internal;";
};
locations."~ ^/lib.*\.(js|css|gif|png|ico|jpg|jpeg)$" = {
extraConfig = "expires 365d;";
};
locations."/" = {
priority = 1;
index = "doku.php";
extraConfig = ''try_files $uri $uri/ @dokuwiki;'';
};
locations."@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;
'';
};
locations."~ \.php$" = {
extraConfig = ''
try_files $uri $uri/ /doku.php;
include ${pkgs.nginx}/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.socket};
fastcgi_param HTTPS on;
'';
};
}];
};
};
systemd.tmpfiles.rules = [
"d ${cfg.stateDir}/attic 0750 ${user} ${group} - -"
"d ${cfg.stateDir}/cache 0750 ${user} ${group} - -"
"d ${cfg.stateDir}/index 0750 ${user} ${group} - -"
"d ${cfg.stateDir}/locks 0750 ${user} ${group} - -"
"d ${cfg.stateDir}/media 0750 ${user} ${group} - -"
"d ${cfg.stateDir}/media_attic 0750 ${user} ${group} - -"
"d ${cfg.stateDir}/media_meta 0750 ${user} ${group} - -"
"d ${cfg.stateDir}/meta 0750 ${user} ${group} - -"
"d ${cfg.stateDir}/pages 0750 ${user} ${group} - -"
"d ${cfg.stateDir}/tmp 0750 ${user} ${group} - -"
];
};
}