pvv-nixos-config/hosts/bekkalokk/services/mediawiki/default.nix

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{ pkgs, lib, config, values, pkgs-unstable, ... }: let
cfg = config.services.mediawiki;
# "mediawiki"
user = config.systemd.services.mediawiki-init.serviceConfig.User;
# "mediawiki"
group = config.users.users.${user}.group;
simplesamlphp = pkgs.simplesamlphp.override {
extra_files = {
"metadata/saml20-idp-remote.php" = pkgs.writeText "mediawiki-saml20-idp-remote.php" (import ../idp-simplesamlphp/metadata.php.nix);
"config/authsources.php" = ./simplesaml-authsources.php;
"config/config.php" = pkgs.runCommandLocal "mediawiki-simplesamlphp-config.php" { } ''
cp ${./simplesaml-config.php} "$out"
substituteInPlace "$out" \
--replace '$SAML_COOKIE_SECURE' 'true' \
--replace '$SAML_COOKIE_SALT' 'file_get_contents("${config.sops.secrets."mediawiki/simplesamlphp/cookie_salt".path}")' \
--replace '$SAML_ADMIN_NAME' '"Drift"' \
--replace '$SAML_ADMIN_EMAIL' '"drift@pvv.ntnu.no"' \
--replace '$SAML_ADMIN_PASSWORD' 'file_get_contents("${config.sops.secrets."mediawiki/simplesamlphp/admin_password".path}")' \
--replace '$SAML_TRUSTED_DOMAINS' 'array( "wiki2.pvv.ntnu.no" )' \
--replace '$SAML_DATABASE_DSN' '"pgsql:host=postgres.pvv.ntnu.no;port=5432;dbname=mediawiki_simplesamlphp"' \
--replace '$SAML_DATABASE_USERNAME' '"mediawiki_simplesamlphp"' \
--replace '$SAML_DATABASE_PASSWORD' 'file_get_contents("${config.sops.secrets."mediawiki/simplesamlphp/postgres_password".path}")' \
--replace '$CACHE_DIRECTORY' '/var/cache/mediawiki/idp'
'';
};
};
in {
services.idp.sp-remote-metadata = [ "https://wiki2.pvv.ntnu.no/simplesaml/" ];
sops.secrets = {
"mediawiki/password" = {
owner = user;
group = group;
};
"mediawiki/postgres_password" = {
owner = user;
group = group;
};
"mediawiki/simplesamlphp/postgres_password" = {
owner = user;
group = group;
};
"mediawiki/simplesamlphp/cookie_salt" = {
owner = user;
group = group;
};
"mediawiki/simplesamlphp/admin_password" = {
owner = user;
group = group;
};
};
services.mediawiki = {
enable = true;
name = "Programvareverkstedet";
passwordFile = config.sops.secrets."mediawiki/password".path;
passwordSender = "drift@pvv.ntnu.no";
database = {
type = "mysql";
host = "mysql.pvv.ntnu.no";
port = 3306;
user = "mediawiki";
passwordFile = config.sops.secrets."mediawiki/postgres_password".path;
createLocally = false;
# TODO: create a normal database and copy over old data when the service is production ready
name = "mediawiki";
};
# Host through nginx
webserver = "none";
poolConfig = let
listenUser = config.services.nginx.user;
listenGroup = config.services.nginx.group;
in {
inherit user group;
"pm" = "dynamic";
"pm.max_children" = 32;
"pm.max_requests" = 500;
"pm.start_servers" = 2;
"pm.min_spare_servers" = 2;
"pm.max_spare_servers" = 4;
"listen.owner" = listenUser;
"listen.group" = listenGroup;
"catch_workers_output" = true;
"php_admin_flag[log_errors]" = true;
# "php_admin_value[error_log]" = "stderr";
# to accept *.html file
"security.limit_extensions" = "";
};
extensions = {
inherit (pkgs.mediawiki-extensions) DeleteBatch UserMerge PluggableAuth SimpleSAMLphp;
};
extraConfig = ''
$wgServer = "https://wiki2.pvv.ntnu.no";
$wgLocaltimezone = "Europe/Oslo";
# Only allow login through SSO
$wgEnableEmail = false;
$wgEnableUserEmail = false;
$wgEmailAuthentication = false;
$wgGroupPermissions['*']['createaccount'] = false;
$wgGroupPermissions['*']['autocreateaccount'] = true;
$wgPluggableAuth_EnableAutoLogin = false;
# Misc. permissions
$wgGroupPermissions['*']['edit'] = false;
$wgGroupPermissions['*']['read'] = true;
# Misc. URL rules
$wgUsePathInfo = true;
$wgScriptExtension = ".php";
$wgNamespacesWithSubpages[NS_MAIN] = true;
# Styling
$wgLogos = array(
"2x" => "/PNG/PVV-logo.png",
"icon" => "/PNG/PVV-logo.svg",
);
# wfLoadSkin('Timeless');
$wgDefaultSkin = "vector-2022";
# from https://github.com/wikimedia/mediawiki-skins-Vector/blob/master/skin.json
$wgVectorDefaultSidebarVisibleForAnonymousUser = true;
$wgVectorResponsive = true;
# Misc
$wgEmergencyContact = "${cfg.passwordSender}";
$wgShowIPinHeader = false;
$wgUseTeX = false;
$wgLocalInterwiki = $wgSitename;
# SimpleSAML
$wgSimpleSAMLphp_InstallDir = "${simplesamlphp}/share/php/simplesamlphp/";
$wgPluggableAuth_Config['Log in using my SAML'] = [
'plugin' => 'SimpleSAMLphp',
'data' => [
'authSourceId' => 'default-sp',
'usernameAttribute' => 'uid',
'emailAttribute' => 'mail',
'realNameAttribute' => 'cn',
]
];
# Fix https://github.com/NixOS/nixpkgs/issues/183097
$wgDBserver = "${toString cfg.database.host}";
'';
};
# Cache directory for simplesamlphp
# systemd.services.phpfpm-mediawiki.serviceConfig.CacheDirectory = "mediawiki/simplesamlphp";
systemd.tmpfiles.settings."10-mediawiki"."/var/cache/mediawiki/simplesamlphp".d = {
user = "mediawiki";
group = "mediawiki";
mode = "0770";
};
# Override because of https://github.com/NixOS/nixpkgs/issues/183097
systemd.services.mediawiki-init.script = let
# According to module
stateDir = "/var/lib/mediawiki";
pkg = cfg.finalPackage;
mediawikiConfig = config.services.phpfpm.pools.mediawiki.phpEnv.MEDIAWIKI_CONFIG;
inherit (lib) optionalString mkForce;
in mkForce ''
if ! test -e "${stateDir}/secret.key"; then
tr -dc A-Za-z0-9 </dev/urandom 2>/dev/null | head -c 64 > ${stateDir}/secret.key
fi
echo "exit( wfGetDB( DB_MASTER )->tableExists( 'user' ) ? 1 : 0 );" | \
${pkgs.php}/bin/php ${pkg}/share/mediawiki/maintenance/eval.php --conf ${mediawikiConfig} && \
${pkgs.php}/bin/php ${pkg}/share/mediawiki/maintenance/install.php \
--confpath /tmp \
--scriptpath / \
--dbserver "${cfg.database.host}" \
--dbport ${toString cfg.database.port} \
--dbname ${cfg.database.name} \
${optionalString (cfg.database.tablePrefix != null) "--dbprefix ${cfg.database.tablePrefix}"} \
--dbuser ${cfg.database.user} \
${optionalString (cfg.database.passwordFile != null) "--dbpassfile ${cfg.database.passwordFile}"} \
--passfile ${cfg.passwordFile} \
--dbtype ${cfg.database.type} \
${cfg.name} \
admin
${pkgs.php}/bin/php ${pkg}/share/mediawiki/maintenance/update.php --conf ${mediawikiConfig} --quick
'';
users.groups.mediawiki.members = [ "nginx" ];
services.nginx.virtualHosts."wiki2.pvv.ntnu.no" = {
forceSSL = true;
enableACME = true;
root = "${config.services.mediawiki.finalPackage}/share/mediawiki";
locations = {
"/" = {
index = "index.php";
};
"~ /(.+\\.php)" = {
extraConfig = ''
fastcgi_split_path_info ^(.+\.php)(/.+)$;
fastcgi_index index.php;
fastcgi_pass unix:${config.services.phpfpm.pools.mediawiki.socket};
include ${pkgs.nginx}/conf/fastcgi_params;
include ${pkgs.nginx}/conf/fastcgi.conf;
'';
};
# based on https://simplesamlphp.org/docs/stable/simplesamlphp-install.html#configuring-nginx
"^~ /simplesaml/" = {
alias = "${simplesamlphp}/share/php/simplesamlphp/public/";
index = "index.php";
extraConfig = ''
location ~ ^/simplesaml/(?<phpfile>.+?\.php)(?<pathinfo>/.*)?$ {
include ${pkgs.nginx}/conf/fastcgi_params;
fastcgi_pass unix:${config.services.phpfpm.pools.mediawiki.socket};
fastcgi_param SCRIPT_FILENAME ${simplesamlphp}/share/php/simplesamlphp/public/$phpfile;
# Must be prepended with the baseurlpath
fastcgi_param SCRIPT_NAME /simplesaml/$phpfile;
fastcgi_param PATH_INFO $pathinfo if_not_empty;
}
'';
};
"/images/".alias = "${config.services.mediawiki.uploadsDir}/";
"= /PNG/PVV-logo.svg".alias = ../../../../assets/logo_blue_regular.svg;
"= /PNG/PVV-logo.png".alias = ../../../../assets/logo_blue_regular.png;
"= /favicon.ico".alias = pkgs.runCommandLocal "mediawiki-favicon.ico" {
buildInputs = with pkgs; [ imagemagick ];
} ''
convert \
-resize x64 \
-gravity center \
-crop 64x64+0+0 \
${../../../../assets/logo_blue_regular.png} \
-flatten \
-colors 256 \
-background transparent \
$out
'';
};
};
}