CHIEFSOFT\ameye
140 lines
3.7 KiB
PHP
140 lines
3.7 KiB
PHP
<?php
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/**
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* @defgroup config Config
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* Implements configuration concerns such as the configuration file parser.
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*/
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/**
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* @file classes/config/Config.php
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*
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* Copyright (c) 2014-2021 Simon Fraser University
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* Copyright (c) 2000-2021 John Willinsky
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* Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
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*
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* @class Config
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*
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* @ingroup config
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*
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* @brief Config class for accessing configuration parameters.
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*/
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namespace PKP\config;
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use Exception;
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use PKP\core\Registry;
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/** The path to the default configuration file */
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define('CONFIG_FILE', \PKP\core\Core::getBaseDir() . '/config.inc.php');
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class Config
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{
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/**
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* Retrieve a specified configuration variable.
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*
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* @param string $section
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* @param string $key
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* @param mixed $default Optional default if the var doesn't exist
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*
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* @return mixed May return boolean (in case of "off"/"on"/etc), numeric, string, or null.
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*/
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public static function getVar($section, $key, $default = null)
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{
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$configData = & Config::getData();
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return $configData[$section][$key] ?? $default;
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}
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/**
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* Get the current configuration data.
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*
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* @return array the configuration data
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*/
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public static function &getData()
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{
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$configData = & Registry::get('configData', true, null);
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if ($configData === null) {
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// Load configuration data only once per request, implicitly
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// sets config data by ref in the registry.
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$configData = Config::reloadData();
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}
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return $configData;
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}
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/**
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* Load configuration data from a file.
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* The file is assumed to be formatted in php.ini style.
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*
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* @return array the configuration data
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*/
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public static function &reloadData()
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{
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if (($configData = & ConfigParser::readConfig(Config::getConfigFileName())) === false) {
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throw new Exception(sprintf('Cannot read configuration file %s', Config::getConfigFileName()));
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}
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return $configData;
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}
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/**
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* Set the path to the configuration file.
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*
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* @param string $configFile
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*/
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public static function setConfigFileName($configFile)
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{
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// Reset the config data
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$configData = null;
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Registry::set('configData', $configData);
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// Set the config file
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Registry::set('configFile', $configFile);
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}
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/**
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* Return the path to the configuration file.
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*
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* @return string
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*/
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public static function getConfigFileName()
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{
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return Registry::get('configFile', true, CONFIG_FILE);
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}
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/**
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* Get context base urls from config file.
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*
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* @return array Empty array if none is set.
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*/
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public static function &getContextBaseUrls()
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{
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$contextBaseUrls = & Registry::get('contextBaseUrls'); // Reference required.
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if (is_null($contextBaseUrls)) {
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$contextBaseUrls = [];
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$configData = self::getData();
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// Filter the settings.
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$matches = null;
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foreach ($configData['general'] as $settingName => $settingValue) {
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if (preg_match('/base_url\[(.*)\]/', $settingName, $matches)) {
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$workingContextPath = $matches[1];
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$contextBaseUrls[$workingContextPath] = $settingValue;
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}
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}
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}
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return $contextBaseUrls;
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}
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/**
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* Retrieve whether the specified configuration variable is defined, even if it's null.
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*
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* @return bool
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*/
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public static function hasVar(string $section, string $key): bool
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{
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return array_key_exists($key, Config::getData()[$section] ?? []);
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}
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}
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