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Marien Fressinaud
219
lib/Configuration.php
Executable file
219
lib/Configuration.php
Executable file
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<?php
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/**
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* MINZ - Copyright 2011 Marien Fressinaud
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* Sous licence AGPL3 <http://www.gnu.org/licenses/>
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*/
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/**
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* La classe Configuration permet de g<>rer la configuration de l'application
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*/
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class Configuration {
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const CONF_PATH_NAME = '/configuration/application.ini';
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/**
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* VERSION est la version actuelle de MINZ
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*/
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const VERSION = '1.1.0';
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/**
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* valeurs possibles pour l'"environment"
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* SILENT rend l'application muette (pas de log)
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* PRODUCTION est recommand<6E>e pour une appli en production
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* (log les erreurs critiques)
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* DEVELOPMENT log toutes les erreurs
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*/
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const SILENT = 0;
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const PRODUCTION = 1;
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const DEVELOPMENT = 2;
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/**
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* d<>finition des variables de configuration
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* $sel_application une cha<68>ne de caract<63>res al<61>atoires (obligatoire)
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* $environment g<>re le niveau d'affichage pour log et erreurs
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* $use_url_rewriting indique si on utilise l'url_rewriting
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* $base_url le chemin de base pour acc<63>der <20> l'application
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* $title le nom de l'application
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* $language la langue par d<>faut de l'application
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* $cacheEnabled permet de savoir si le cache doit <20>tre activ<69>
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* $delayCache la limite de cache
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* $db param<61>tres pour la base de donn<6E>es (tableau)
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* - host le serveur de la base
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* - user nom d'utilisateur
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* - password mot de passe de l'utilisateur
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* - base le nom de la base de donn<6E>es
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*/
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private static $sel_application = '';
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private static $environment = Configuration::PRODUCTION;
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private static $base_url = '';
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private static $use_url_rewriting = false;
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private static $title = '';
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private static $language = 'en';
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private static $cache_enabled = true;
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private static $delay_cache = 3600;
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private static $db = array (
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'host' => false,
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'user' => false,
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'password' => false,
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'base' => false
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);
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/*
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* Getteurs
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*/
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public static function selApplication () {
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return self::$sel_application;
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}
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public static function environment () {
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return self::$environment;
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}
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public static function baseUrl () {
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return self::$base_url;
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}
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public static function useUrlRewriting () {
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return self::$use_url_rewriting;
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}
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public static function title () {
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return self::$title;
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}
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public static function language () {
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return self::$language;
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}
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public static function cacheEnabled () {
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return self::$cache_enabled;
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}
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public static function delayCache () {
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return self::$delay_cache;
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}
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public static function dataBase () {
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return self::$db;
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}
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/**
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* Initialise les variables de configuration
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* @exception FileNotExistException si le CONF_PATH_NAME n'existe pas
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* @exception BadConfigurationException si CONF_PATH_NAME mal format<61>
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*/
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public static function init () {
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try {
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self::parseFile ();
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} catch (BadConfigurationException $e) {
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throw $e;
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} catch (FileNotExistException $e) {
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throw $e;
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}
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}
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/**
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* Parse un fichier de configuration de type ".ini"
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* @exception FileNotExistException si le CONF_PATH_NAME n'existe pas
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* @exception BadConfigurationException si CONF_PATH_NAME mal format<61>
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*/
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private static function parseFile () {
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if (!file_exists (APP_PATH . self::CONF_PATH_NAME)) {
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throw new FileNotExistException (
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APP_PATH . self::CONF_PATH_NAME,
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MinzException::ERROR
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);
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}
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$ini_array = parse_ini_file (
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APP_PATH . self::CONF_PATH_NAME,
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true
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);
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// [general] est obligatoire
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if (!isset ($ini_array['general'])) {
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throw new BadConfigurationException (
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'[general]',
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MinzException::ERROR
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);
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}
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$general = $ini_array['general'];
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// sel_application est obligatoire
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if (!isset ($general['sel_application'])) {
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throw new BadConfigurationException (
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'sel_application',
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MinzException::ERROR
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);
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}
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self::$sel_application = $general['sel_application'];
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if (isset ($general['environment'])) {
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switch ($general['environment']) {
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case 'silent':
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self::$environment = Configuration::SILENT;
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break;
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case 'development':
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self::$environment = Configuration::DEVELOPMENT;
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break;
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case 'production':
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self::$environment = Configuration::PRODUCTION;
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break;
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default:
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throw new BadConfigurationException (
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'environment',
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MinzException::ERROR
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);
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}
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}
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if (isset ($general['base_url'])) {
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self::$base_url = $general['base_url'];
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}
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if (isset ($general['use_url_rewriting'])) {
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self::$use_url_rewriting = $general['use_url_rewriting'];
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}
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if (isset ($general['title'])) {
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self::$title = $general['title'];
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}
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if (isset ($general['language'])) {
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self::$language = $general['language'];
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}
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if (isset ($general['cache_enabled'])) {
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self::$cache_enabled = $general['cache_enabled'];
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}
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if (isset ($general['delay_cache'])) {
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self::$delay_cache = $general['delay_cache'];
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}
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// Base de donn<6E>es
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$db = false;
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if (isset ($ini_array['db'])) {
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$db = $ini_array['db'];
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}
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if ($db) {
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if (!isset ($db['host'])) {
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throw new BadConfigurationException (
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'host',
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MinzException::ERROR
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);
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}
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if (!isset ($db['user'])) {
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throw new BadConfigurationException (
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'user',
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MinzException::ERROR
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);
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}
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if (!isset ($db['password'])) {
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throw new BadConfigurationException (
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'password',
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MinzException::ERROR
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);
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}
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if (!isset ($db['base'])) {
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throw new BadConfigurationException (
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'base',
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MinzException::ERROR
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);
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}
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self::$db['host'] = $db['host'];
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self::$db['user'] = $db['user'];
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self::$db['password'] = $db['password'];
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self::$db['base'] = $db['base'];
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}
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}
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}
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