<?php
/**
* This file is a part of the CIDRAM package.
* Homepage: https://cidram.github.io/
*
* CIDRAM COPYRIGHT 2016 and beyond by Caleb Mazalevskis (Maikuolan).
*
* License: GNU/GPLv2
* @see LICENSE.txt
*
* This file: The loader (last modified: 2019.04.30).
*/
/**
* CIDRAM should only be loaded once per PHP instance. To ensure this, we check
* for the existence of a "CIDRAM" constant. If it doesn't exist, we define it
* and continue loading. If it already exists, we do nothing.
*/
if (!defined('CIDRAM')) {
define('CIDRAM', true);
/** Version check. */
if (!version_compare(PHP_VERSION, '7.2.0', '>=')) {
header('Content-Type: text/plain');
die('[CIDRAM] Not compatible with PHP versions below 7.2.0; Please update PHP in order to use CIDRAM.');
}
/** Create an array for our working data. */
$CIDRAM = [];
/** Determine the location of the "vault" directory. */
$CIDRAM['Vault'] = __DIR__ . '/vault/';
/** Kill the script if we can't find the vault directory. */
if (!is_dir($CIDRAM['Vault'])) {
header('Content-Type: text/plain');
die(
'[CIDRAM] Vault directory not correctly set: Can\'t continue. Refer to do' .
'cumentation if this is a first-time run, and if problems persist, seek a' .
'ssistance.'
);
}
/** Checks whether we're calling CIDRAM directly or through a hook. */
$CIDRAM['Direct'] = !isset($_SERVER['SCRIPT_FILENAME']) || str_replace("\\", '/', strtolower(
realpath($_SERVER['SCRIPT_FILENAME'])
)) === str_replace("\\", '/', strtolower(__FILE__));
/** Checks whether we're calling CIDRAM through an alternative pathway (e.g., Cronable). */
$CIDRAM['Alternate'] = class_exists('\Maikuolan\Cronable\Cronable');
/** Kill the script if the functions file doesn't exist. */
if (!file_exists($CIDRAM['Vault'] . 'functions.php')) {
header('Content-Type: text/plain');
die('[CIDRAM] Functions file missing! Please reinstall CIDRAM.');
}
/** Load the functions file. */
require $CIDRAM['Vault'] . 'functions.php';
/** Kill the script if the configuration handler doesn't exist. */
if (!file_exists($CIDRAM['Vault'] . 'config.php')) {
header('Content-Type: text/plain');
die('[CIDRAM] Configuration handler missing! Please reinstall CIDRAM.');
}
/** Load the configuration handler. */
require $CIDRAM['Vault'] . 'config.php';
/**
* Check whether the language handler exists; Kill the script if it
* doesn't.
*/
if (!file_exists($CIDRAM['Vault'] . 'lang.php')) {
header('Content-Type: text/plain');
die('[CIDRAM] Language handler missing! Please reinstall CIDRAM.');
}
/** Load the language handler. */
require $CIDRAM['Vault'] . 'lang.php';
/**
* Check whether the output generator exists; Kill the script if it
* doesn't; Load it if it does.
*/
if (!file_exists($CIDRAM['Vault'] . 'outgen.php')) {
header('Content-Type: text/plain');
die('[CIDRAM] Output generator missing! Please reinstall CIDRAM.');
}
if (!$CIDRAM['Alternate']) {
require $CIDRAM['Vault'] . 'outgen.php';
}
/**
* Check whether the front-end handler and the front-end template file
* exist; If they do, load the front-end handler. Skip this check if
* front-end access is disabled.
*/
if (
!$CIDRAM['Config']['general']['disable_frontend'] &&
file_exists($CIDRAM['Vault'] . 'frontend.php') &&
file_exists($CIDRAM['Vault'] . 'fe_assets/frontend.html') &&
($CIDRAM['Direct'] || $CIDRAM['Alternate'])
) {
require $CIDRAM['Vault'] . 'frontend.php';
}
/** Unset our working data so that we can exit cleanly. */
unset($CIDRAM);
}
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