131 lines
3.9 KiB
PHP
131 lines
3.9 KiB
PHP
<?php
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/**
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* Class: Config
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* Holds all of the configuration settings for the entire site.
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*/
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class Config {
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# Array: $data
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# Holds the configuration data as a $key => $val array.
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private $data = array();
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/**
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* Function: __construct
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* Loads the configuration file from disk.
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*/
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private function __construct() {
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if (!$this->read() and !INSTALLING)
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trigger_error(
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__("Could not read the configuration file."),
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E_USER_ERROR
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);
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fallback($this->data["sql"], array());
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fallback($this->data["enabled_modules"], array());
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fallback($this->data["enabled_feathers"], array());
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fallback($this->data["routes"], array());
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}
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/**
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* Function: __get
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* Handles access to the configuration data.
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*
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* Returns:
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* @mixed@
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*/
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public function __get($name): mixed {
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if (isset($this->data[$name]))
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return $this->data[$name];
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trigger_error(
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__("Requested configuration setting not found."),
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E_USER_NOTICE
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);
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return null;
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}
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/**
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* Function: __isset
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* Handles access to the configuration data.
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*/
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public function __isset($name): bool {
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return isset($this->data[$name]);
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}
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/**
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* Function: read
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* Reads the configuration file and decodes the settings.
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*/
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private function read(): array|false {
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$security = "<?php header(\"Status: 403\"); exit(\"Access denied.\"); ?>\n";
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$contents = @file_get_contents(INCLUDES_DIR.DIR."config.json.php");
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if ($contents === false)
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return false;
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$json = json_get(str_replace($security, "", $contents), true);
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if (!is_array($json))
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return false;
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return $this->data = $json;
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}
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/**
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* Function: write
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* Encodes the settings and writes the configuration file.
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*/
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private function write(): int|false {
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$contents = "<?php header(\"Status: 403\"); exit(\"Access denied.\"); ?>\n";
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$contents.= json_set(
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$this->data,
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JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES
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);
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return @file_put_contents(INCLUDES_DIR.DIR."config.json.php", $contents);
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}
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/**
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* Function: set
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* Adds or replaces a configuration setting with the given value.
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*
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* Parameters:
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* $setting - The setting name.
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* $value - The value to set.
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* $fallback - Add the setting only if it doesn't exist.
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*/
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public function set($setting, $value, $fallback = false): int|bool {
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if (isset($this->data[$setting]) and $fallback)
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return true;
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$this->data[$setting] = $value;
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if (class_exists("Trigger"))
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Trigger::current()->call("change_setting", $setting, $value);
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return $this->write();
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}
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/**
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* Function: remove
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* Removes a configuration setting.
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*
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* Parameters:
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* $setting - The setting name.
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*/
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public function remove($setting): int|false {
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unset($this->data[$setting]);
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return $this->write();
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}
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/**
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* Function: current
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* Returns a singleton reference to the current configuration.
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*/
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public static function & current(): self {
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static $instance = null;
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$instance = (empty($instance)) ? new self() : $instance ;
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return $instance;
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}
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}
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