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<?php |
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defined('ROOT_PATH') || exit('Access denied'); |
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/** |
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* TNH Framework |
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* |
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* A simple PHP framework using HMVC architecture |
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* |
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* This content is released under the GNU GPL License (GPL) |
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* |
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* Copyright (C) 2017 Tony NGUEREZA |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 3 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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*/ |
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class Config{ |
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/** |
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* The list of loaded configuration |
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* @var array |
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*/ |
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private static $config = array(); |
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/** |
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* The logger instance |
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* @var Log |
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*/ |
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private static $logger; |
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/** |
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* The signleton of the logger |
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* @return Object the Log instance |
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*/ |
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private static function getLogger(){ |
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if(self::$logger == null){ |
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$logger = array(); |
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$logger[0] =& class_loader('Log', 'classes'); |
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$logger[0]->setLogger('Library::Config'); |
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self::$logger = $logger[0]; |
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} |
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return self::$logger; |
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} |
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/** |
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* Set the log instance for future use |
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* @param Log $logger the log object |
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* @return Log the log instance |
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*/ |
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public static function setLogger($logger){ |
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self::$logger = $logger; |
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return self::$logger; |
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} |
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/** |
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* Initialize the configuration by loading all the configuration from config file |
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*/ |
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public static function init(){ |
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$logger = static::getLogger(); |
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$logger->debug('Initialization of the configuration'); |
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self::$config = & load_configurations(); |
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self::setBaseUrlUsingServerVar(); |
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if(ENVIRONMENT == 'production' && in_array(strtolower(self::$config['log_level']), array('debug', 'info','all'))){ |
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$logger->warning('You are in production environment, please set log level to WARNING, ERROR, FATAL to increase the application performance'); |
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} |
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$logger->info('Configuration initialized successfully'); |
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$logger->info('The application configuration are listed below: ' . stringfy_vars(self::$config)); |
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} |
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/** |
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* Get the configuration item value |
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* @param string $item the configuration item name to get |
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* @param mixed $default the default value to use if can not find the config item in the list |
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* @return mixed the config value if exist or the default value |
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*/ |
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public static function get($item, $default = null){ |
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$logger = static::getLogger(); |
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if(array_key_exists($item, self::$config)){ |
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return self::$config[$item]; |
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} |
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$logger->warning('Cannot find config item ['.$item.'] using the default value ['.$default.']'); |
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return $default; |
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} |
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/** |
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* Set the configuration item value |
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* @param string $item the config item name to set |
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* @param mixed $value the config item value |
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*/ |
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public static function set($item, $value){ |
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self::$config[$item] = $value; |
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} |
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/** |
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* Get all the configuration values |
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* @return array the config values |
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*/ |
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public static function getAll(){ |
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return self::$config; |
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} |
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/** |
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* Set the configuration values bu merged with the existing configuration |
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* @param array $config the config values to add in the configuration list |
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*/ |
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public static function setAll(array $config = array()){ |
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self::$config = array_merge(self::$config, $config); |
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} |
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/** |
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* Delete the configuration item in the list |
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* @param string $item the config item name to be deleted |
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* @return boolean true if the item exists and is deleted successfully otherwise will return false. |
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*/ |
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public static function delete($item){ |
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$logger = static::getLogger(); |
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if(array_key_exists($item, self::$config)){ |
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$logger->info('Delete config item ['.$item.']'); |
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unset(self::$config[$item]); |
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return true; |
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} |
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else{ |
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$logger->warning('Config item ['.$item.'] to be deleted does not exists'); |
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return false; |
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} |
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} |
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/** |
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* Load the configuration file. This an alias to Loader::config() |
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* @param string $config the config name to be loaded |
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*/ |
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public static function load($config){ |
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Loader::config($config); |
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} |
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/** |
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* Set the configuration for "base_url" if is not set in the configuration |
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*/ |
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private static function setBaseUrlUsingServerVar(){ |
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if (! isset(self::$config['base_url']) || ! is_url(self::$config['base_url'])){ |
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if(ENVIRONMENT == 'production'){ |
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$logger->warning('Application base URL is not set or invalid, please set application base URL to increase the application loading time'); |
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} |
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$baseUrl = null; |
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if (isset($_SERVER['SERVER_ADDR'])){ |
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//check if the server is running under IPv6 |
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if (strpos($_SERVER['SERVER_ADDR'], ':') !== FALSE){ |
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$baseUrl = '['.$_SERVER['SERVER_ADDR'].']'; |
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} |
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else{ |
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$baseUrl = $_SERVER['SERVER_ADDR']; |
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} |
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$port = ((isset($_SERVER['SERVER_PORT']) && ($_SERVER['SERVER_PORT'] != '80' && ! is_https() || $_SERVER['SERVER_PORT'] != '443' && is_https()) ) ? ':' . $_SERVER['SERVER_PORT'] : ''); |
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$baseUrl = (is_https() ? 'https' : 'http').'://' . $baseUrl . $port |
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. substr($_SERVER['SCRIPT_NAME'], 0, strpos($_SERVER['SCRIPT_NAME'], basename($_SERVER['SCRIPT_FILENAME']))); |
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} |
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else{ |
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$logger->warning('Can not determine the application base URL automatically, use http://localhost as default'); |
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$baseUrl = 'http://localhost/'; |
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} |
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self::set('base_url', $baseUrl); |
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} |
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self::$config['base_url'] = rtrim(self::$config['base_url'], '/') .'/'; |
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} |
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} |
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tnhfw /
tnh-fw
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