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-rw-r--r--lib/Minz/Configuration.php340
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diff --git a/lib/Minz/Configuration.php b/lib/Minz/Configuration.php
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+<?php
+/**
+ * MINZ - Copyright 2011 Marien Fressinaud
+ * Sous licence AGPL3 <http://www.gnu.org/licenses/>
+*/
+
+/**
+ * La classe Configuration permet de gérer la configuration de l'application
+ */
+class Minz_Configuration {
+ const CONF_PATH_NAME = '/config.php';
+
+ /**
+ * VERSION est la version actuelle de MINZ
+ */
+ const VERSION = '1.3.1.freshrss'; // version spéciale FreshRSS
+
+ /**
+ * valeurs possibles pour l'"environment"
+ * SILENT rend l'application muette (pas de log)
+ * PRODUCTION est recommandée pour une appli en production
+ * (log les erreurs critiques)
+ * DEVELOPMENT log toutes les erreurs
+ */
+ const SILENT = 0;
+ const PRODUCTION = 1;
+ const DEVELOPMENT = 2;
+
+ /**
+ * définition des variables de configuration
+ * $salt une chaîne de caractères aléatoires (obligatoire)
+ * $environment gère le niveau d'affichage pour log et erreurs
+ * $use_url_rewriting indique si on utilise l'url_rewriting
+ * $base_url le chemin de base pour accéder à l'application
+ * $title le nom de l'application
+ * $language la langue par défaut de l'application
+ * $cacheEnabled permet de savoir si le cache doit être activé
+ * $delayCache la limite de cache
+ * $db paramètres pour la base de données (tableau)
+ * - host le serveur de la base
+ * - user nom d'utilisateur
+ * - password mot de passe de l'utilisateur
+ * - base le nom de la base de données
+ */
+ private static $salt = '';
+ private static $environment = Minz_Configuration::PRODUCTION;
+ private static $base_url = '';
+ private static $use_url_rewriting = false;
+ private static $title = '';
+ private static $language = 'en';
+ private static $cache_enabled = false;
+ private static $delay_cache = 3600;
+ private static $default_user = '';
+ private static $allow_anonymous = false;
+ private static $auth_type = 'none';
+
+ private static $db = array (
+ 'type' => 'mysql',
+ 'host' => '',
+ 'user' => '',
+ 'password' => '',
+ 'base' => '',
+ 'prefix' => '',
+ );
+
+ /*
+ * Getteurs
+ */
+ public static function salt () {
+ return self::$salt;
+ }
+ public static function environment ($str = false) {
+ $env = self::$environment;
+
+ if ($str) {
+ switch (self::$environment) {
+ case self::SILENT:
+ $env = 'silent';
+ break;
+ case self::DEVELOPMENT:
+ $env = 'development';
+ break;
+ case self::PRODUCTION:
+ default:
+ $env = 'production';
+ }
+ }
+
+ return $env;
+ }
+ public static function baseUrl () {
+ return self::$base_url;
+ }
+ public static function useUrlRewriting () {
+ return self::$use_url_rewriting;
+ }
+ public static function title () {
+ return self::$title;
+ }
+ public static function language () {
+ return self::$language;
+ }
+ public static function cacheEnabled () {
+ return self::$cache_enabled;
+ }
+ public static function delayCache () {
+ return self::$delay_cache;
+ }
+ public static function dataBase () {
+ return self::$db;
+ }
+ public static function defaultUser () {
+ return self::$default_user;
+ }
+ public static function isAdmin($currentUser) {
+ return $currentUser === self::$default_user;
+ }
+ public static function allowAnonymous() {
+ return self::$allow_anonymous;
+ }
+ public static function authType() {
+ return self::$auth_type;
+ }
+ public static function needsLogin() {
+ return self::$auth_type !== 'none';
+ }
+ public static function canLogIn() {
+ return self::$auth_type === 'form' || self::$auth_type === 'persona';
+ }
+
+ public static function _allowAnonymous($allow = false) {
+ self::$allow_anonymous = ((bool)$allow) && self::canLogIn();
+ }
+ public static function _authType($value) {
+ $value = strtolower($value);
+ switch ($value) {
+ case 'form':
+ case 'http_auth':
+ case 'persona':
+ case 'none':
+ self::$auth_type = $value;
+ break;
+ }
+ self::_allowAnonymous(self::$allow_anonymous);
+ }
+
+ /**
+ * Initialise les variables de configuration
+ * @exception Minz_FileNotExistException si le CONF_PATH_NAME n'existe pas
+ * @exception Minz_BadConfigurationException si CONF_PATH_NAME mal formaté
+ */
+ public static function init () {
+ try {
+ self::parseFile ();
+ self::setReporting ();
+ } catch (Minz_FileNotExistException $e) {
+ throw $e;
+ } catch (Minz_BadConfigurationException $e) {
+ throw $e;
+ }
+ }
+
+ public static function writeFile() {
+ $ini_array = array(
+ 'general' => array(
+ 'environment' => self::environment(true),
+ 'use_url_rewriting' => self::$use_url_rewriting,
+ 'salt' => self::$salt,
+ 'base_url' => self::$base_url,
+ 'title' => self::$title,
+ 'default_user' => self::$default_user,
+ 'allow_anonymous' => self::$allow_anonymous,
+ 'auth_type' => self::$auth_type,
+ ),
+ 'db' => self::$db,
+ );
+ @rename(DATA_PATH . self::CONF_PATH_NAME, DATA_PATH . self::CONF_PATH_NAME . '.bak.php');
+ $result = file_put_contents(DATA_PATH . self::CONF_PATH_NAME, "<?php\n return " . var_export($ini_array, true) . ';');
+ if (function_exists('opcache_invalidate')) {
+ opcache_invalidate(DATA_PATH . self::CONF_PATH_NAME); //Clear PHP 5.5+ cache for include
+ }
+ return (bool)$result;
+ }
+
+ /**
+ * Parse un fichier de configuration
+ * @exception Minz_PermissionDeniedException si le CONF_PATH_NAME n'est pas accessible
+ * @exception Minz_BadConfigurationException si CONF_PATH_NAME mal formaté
+ */
+ private static function parseFile () {
+ $ini_array = include(DATA_PATH . self::CONF_PATH_NAME);
+
+ if (!is_array($ini_array)) {
+ throw new Minz_PermissionDeniedException (
+ DATA_PATH . self::CONF_PATH_NAME,
+ Minz_Exception::ERROR
+ );
+ }
+
+ // [general] est obligatoire
+ if (!isset ($ini_array['general'])) {
+ throw new Minz_BadConfigurationException (
+ '[general]',
+ Minz_Exception::ERROR
+ );
+ }
+ $general = $ini_array['general'];
+
+ // salt est obligatoire
+ if (!isset ($general['salt'])) {
+ if (isset($general['sel_application'])) { //v0.6
+ $general['salt'] = $general['sel_application'];
+ } else {
+ throw new Minz_BadConfigurationException (
+ 'salt',
+ Minz_Exception::ERROR
+ );
+ }
+ }
+ self::$salt = $general['salt'];
+
+ if (isset ($general['environment'])) {
+ switch ($general['environment']) {
+ case 'silent':
+ self::$environment = Minz_Configuration::SILENT;
+ break;
+ case 'development':
+ self::$environment = Minz_Configuration::DEVELOPMENT;
+ break;
+ case 'production':
+ self::$environment = Minz_Configuration::PRODUCTION;
+ break;
+ default:
+ if ($general['environment'] >= 0 &&
+ $general['environment'] <= 2) {
+ // fallback 0.7-beta
+ self::$environment = $general['environment'];
+ } else {
+ throw new Minz_BadConfigurationException (
+ 'environment',
+ Minz_Exception::ERROR
+ );
+ }
+ }
+
+ }
+ if (isset ($general['base_url'])) {
+ self::$base_url = $general['base_url'];
+ }
+ if (isset ($general['use_url_rewriting'])) {
+ self::$use_url_rewriting = $general['use_url_rewriting'];
+ }
+
+ if (isset ($general['title'])) {
+ self::$title = $general['title'];
+ }
+ if (isset ($general['language'])) {
+ self::$language = $general['language'];
+ }
+ if (isset ($general['cache_enabled'])) {
+ self::$cache_enabled = $general['cache_enabled'];
+ if (CACHE_PATH === false && self::$cache_enabled) {
+ throw new FileNotExistException (
+ 'CACHE_PATH',
+ Minz_Exception::ERROR
+ );
+ }
+ }
+ if (isset ($general['delay_cache'])) {
+ self::$delay_cache = inval($general['delay_cache']);
+ }
+ if (isset ($general['default_user'])) {
+ self::$default_user = $general['default_user'];
+ }
+ if (isset ($general['auth_type'])) {
+ self::_authType($general['auth_type']);
+ }
+ if (isset ($general['allow_anonymous'])) {
+ self::$allow_anonymous = ((bool)($general['allow_anonymous'])) && ($general['allow_anonymous'] !== 'no');
+ }
+
+ // Base de données
+ if (isset ($ini_array['db'])) {
+ $db = $ini_array['db'];
+ if (empty($db['host'])) {
+ throw new Minz_BadConfigurationException (
+ 'host',
+ Minz_Exception::ERROR
+ );
+ }
+ if (empty($db['user'])) {
+ throw new Minz_BadConfigurationException (
+ 'user',
+ Minz_Exception::ERROR
+ );
+ }
+ if (!isset ($db['password'])) {
+ throw new Minz_BadConfigurationException (
+ 'password',
+ Minz_Exception::ERROR
+ );
+ }
+ if (empty($db['base'])) {
+ throw new Minz_BadConfigurationException (
+ 'base',
+ Minz_Exception::ERROR
+ );
+ }
+
+ if (!empty($db['type'])) {
+ self::$db['type'] = $db['type'];
+ }
+ self::$db['host'] = $db['host'];
+ self::$db['user'] = $db['user'];
+ self::$db['password'] = $db['password'];
+ self::$db['base'] = $db['base'];
+ if (isset($db['prefix'])) {
+ self::$db['prefix'] = $db['prefix'];
+ }
+ }
+ }
+
+ private static function setReporting() {
+ switch (self::$environment) {
+ case self::PRODUCTION:
+ error_reporting(E_ALL);
+ ini_set('display_errors','Off');
+ ini_set('log_errors', 'On');
+ break;
+ case self::DEVELOPMENT:
+ error_reporting(E_ALL);
+ ini_set('display_errors','On');
+ ini_set('log_errors', 'On');
+ break;
+ case self::SILENT:
+ error_reporting(0);
+ break;
+ }
+ }
+}