{ config, lib, pkgs, serverInfo, php, ... }: # http://codex.wordpress.org/Hardening_WordPress with lib; let # Our bare-bones wp-config.php file using the above settings wordpressConfig = pkgs.writeText "wp-config.php" '' RewriteEngine On RewriteBase / RewriteRule ^index\.php$ - [L] # add a trailing slash to /wp-admin RewriteRule ^wp-admin$ wp-admin/ [R=301,L] RewriteCond %{REQUEST_FILENAME} -f [OR] RewriteCond %{REQUEST_FILENAME} -d RewriteRule ^ - [L] RewriteRule ^(wp-(content|admin|includes).*) $1 [L] RewriteRule ^(.*\.php)$ $1 [L] RewriteRule . index.php [L] ${config.extraHtaccess} ''; # WP translation can be found here: # https://github.com/nixcloud/wordpress-translations supportedLanguages = { en_GB = { revision="d6c005372a5318fd758b710b77a800c86518be13"; sha256="0qbbsi87k47q4rgczxx541xz4z4f4fr49hw4lnaxkdsf5maz8p9p"; }; de_DE = { revision="3c62955c27baaae98fd99feb35593d46562f4736"; sha256="1shndgd11dk836dakrjlg2arwv08vqx6j4xjh4jshvwmjab6ng6p"; }; zh_ZN = { revision="12b9f811e8cae4b6ee41de343d35deb0a8fdda6d"; sha256="1339ggsxh0g6lab37jmfxicsax4h702rc3fsvv5azs7mcznvwh47"; }; fr_FR = { revision="688c8b1543e3d38d9e8f57e0a6f2a2c3c8b588bd"; sha256="1j41iak0i6k7a4wzyav0yrllkdjjskvs45w53db8vfm8phq1n014"; }; }; downloadLanguagePack = language: revision: sha256s: pkgs.stdenv.mkDerivation rec { name = "wp_${language}"; src = pkgs.fetchFromGitHub { owner = "nixcloud"; repo = "wordpress-translations"; rev = revision; sha256 = sha256s; }; installPhase = "mkdir -p $out; cp -R * $out/"; }; selectedLanguages = map (lang: downloadLanguagePack lang supportedLanguages.${lang}.revision supportedLanguages.${lang}.sha256) (config.languages); # The wordpress package itself wordpressRoot = pkgs.stdenv.mkDerivation rec { name = "wordpress"; src = config.package; installPhase = '' mkdir -p $out # copy all the wordpress files we downloaded cp -R * $out/ # symlink the wordpress config ln -s ${wordpressConfig} $out/wp-config.php # symlink custom .htaccess ln -s ${htaccess} $out/.htaccess # symlink uploads directory ln -s ${config.wordpressUploads} $out/wp-content/uploads # remove bundled plugins(s) coming with wordpress rm -Rf $out/wp-content/plugins/* # remove bundled themes(s) coming with wordpress rm -Rf $out/wp-content/themes/* # symlink additional theme(s) ${concatMapStrings (theme: "ln -s ${theme} $out/wp-content/themes/${theme.name}\n") config.themes} # symlink additional plugin(s) ${concatMapStrings (plugin: "ln -s ${plugin} $out/wp-content/plugins/${plugin.name}\n") (config.plugins) } # symlink additional translation(s) mkdir -p $out/wp-content/languages ${concatMapStrings (language: "ln -s ${language}/*.mo ${language}/*.po $out/wp-content/languages/\n") (selectedLanguages) } ''; }; in { # And some httpd extraConfig to make things work nicely extraConfig = '' DirectoryIndex index.php Allow from * Options FollowSymLinks AllowOverride All ''; enablePHP = true; options = { package = mkOption { type = types.path; default = pkgs.wordpress; description = '' Path to the wordpress sources. Upgrading? We have a test! nix-build ./nixos/tests/wordpress.nix ''; }; dbHost = mkOption { default = "localhost"; description = "The location of the database server."; example = "localhost"; }; dbName = mkOption { default = "wordpress"; description = "Name of the database that holds the Wordpress data."; example = "localhost"; }; dbUser = mkOption { default = "wordpress"; description = "The dbUser, read: the username, for the database."; example = "wordpress"; }; dbPassword = mkOption { default = "wordpress"; description = '' The mysql password to the respective dbUser. Warning: this password is stored in the world-readable Nix store. It's recommended to use the $dbPasswordFile option since that gives you control over the security of the password. $dbPasswordFile also takes precedence over $dbPassword. ''; example = "wordpress"; }; dbPasswordFile = mkOption { type = types.str; default = toString (pkgs.writeTextFile { name = "wordpress-dbpassword"; text = config.dbPassword; }); example = "/run/keys/wordpress-dbpassword"; description = '' Path to a file that contains the mysql password to the respective dbUser. The file should be readable by the user: config.services.httpd.user. $dbPasswordFile takes precedence over the $dbPassword option. This defaults to a file in the world-readable Nix store that contains the value of the $dbPassword option. It's recommended to override this with a path not in the Nix store. Tip: use nixops key management: ''; }; tablePrefix = mkOption { default = "wp_"; description = '' The $table_prefix is the value placed in the front of your database tables. Change the value if you want to use something other than wp_ for your database prefix. Typically this is changed if you are installing multiple WordPress blogs in the same database. See . ''; }; wordpressUploads = mkOption { default = "/data/uploads"; description = '' This directory is used for uploads of pictures and must be accessible (read: owned) by the httpd running user. The directory passed here is automatically created and permissions are given to the httpd running user. ''; }; plugins = mkOption { default = []; type = types.listOf types.path; description = '' List of path(s) to respective plugin(s) which are symlinked from the 'plugins' directory. Note: These plugins need to be packaged before use, see example. ''; example = '' # Wordpress plugin 'akismet' installation example akismetPlugin = pkgs.stdenv.mkDerivation { name = "akismet-plugin"; # Download the theme from the wordpress site src = pkgs.fetchurl { url = https://downloads.wordpress.org/plugin/akismet.3.1.zip; sha256 = "1i4k7qyzna08822ncaz5l00wwxkwcdg4j9h3z2g0ay23q640pclg"; }; # 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 themes list like this: plugins = [ akismetPlugin ]; ''; }; themes = mkOption { default = []; type = types.listOf types.path; description = '' List of path(s) to respective theme(s) which are symlinked from the 'theme' directory. Note: These themes need to be packaged before use, see example. ''; example = '' # For shits and giggles, let's package the responsive theme responsiveTheme = pkgs.stdenv.mkDerivation { name = "responsive-theme"; # Download the theme from the wordpress site src = pkgs.fetchurl { url = http://wordpress.org/themes/download/responsive.1.9.7.6.zip; sha256 = "06i26xlc5kdnx903b1gfvnysx49fb4kh4pixn89qii3a30fgd8r8"; }; # 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 themes list like this: themes = [ responsiveTheme ]; ''; }; languages = mkOption { default = []; description = "Installs wordpress language packs based on the list, see wordpress.nix for possible translations."; example = "[ \"en_GB\" \"de_DE\" ];"; }; extraConfig = mkOption { type = types.lines; default = ""; example = '' define( 'AUTOSAVE_INTERVAL', 60 ); // Seconds ''; description = '' Any additional text to be appended to Wordpress's wp-config.php configuration file. This is a PHP script. For configuration settings, see . ''; }; extraHtaccess = mkOption { default = ""; example = '' php_value upload_max_filesize 20M php_value post_max_size 20M ''; description = '' Any additional text to be appended to Wordpress's .htaccess file. ''; }; }; documentRoot = wordpressRoot; # FIXME adding the user has to be done manually for the time being startupScript = pkgs.writeScript "init-wordpress.sh" '' #!/bin/sh mkdir -p ${config.wordpressUploads} chown ${serverInfo.serverConfig.user} ${config.wordpressUploads} # we should use systemd dependencies here if [ ! -d ${serverInfo.fullConfig.services.mysql.dataDir}/${config.dbName} ]; then echo "Need to create the database '${config.dbName}' and grant permissions to user named '${config.dbUser}'." # Wait until MySQL is up while [ ! -e ${serverInfo.fullConfig.services.mysql.pidDir}/mysqld.pid ]; do sleep 1 done ${pkgs.mysql}/bin/mysql -e 'CREATE DATABASE ${config.dbName};' ${pkgs.mysql}/bin/mysql -e "GRANT ALL ON ${config.dbName}.* TO ${config.dbUser}@localhost IDENTIFIED BY \"$(cat ${config.dbPasswordFile})\";" else echo "Good, no need to do anything database related." fi ''; }