mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-10-22 14:05:37 +02:00
219 lines
8.0 KiB
PHP
219 lines
8.0 KiB
PHP
<?php
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/**
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* This file is the Framework constants bootstrap. It will prepare some basic common constants.
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*
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* It takes care of:
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* - Including _ss_environment.php
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* - Normalisation of $_SERVER values
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* - Initialisation of necessary constants (mostly paths)
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*
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* Initialized constants:
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* - BASE_URL: Full URL to the webroot, e.g. "http://my-host.com/my-webroot" (no trailing slash).
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* - BASE_PATH: Absolute path to the webroot, e.g. "/var/www/my-webroot" (no trailing slash).
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* See Director::baseFolder(). Can be overwritten by Config::inst()->update('Director', 'alternate_base_folder', ).
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* - TEMP_FOLDER: Absolute path to temporary folder, used for manifest and template caches. Example: "/var/tmp"
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* See getTempFolder(). No trailing slash.
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* - MODULES_DIR: Not used at the moment
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* - MODULES_PATH: Not used at the moment
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* - THEMES_DIR: Path relative to webroot, e.g. "themes"
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* - THEMES_PATH: Absolute filepath, e.g. "/var/www/my-webroot/themes"
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* - FRAMEWORK_DIR: Path relative to webroot, e.g. "framework"
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* - FRAMEWORK_PATH:Absolute filepath, e.g. "/var/www/my-webroot/framework"
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* - FRAMEWORK_ADMIN_DIR: Path relative to webroot, e.g. "framework/admin"
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* - FRAMEWORK_ADMIN_PATH: Absolute filepath, e.g. "/var/www/my-webroot/framework/admin"
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* - THIRDPARTY_DIR: Path relative to webroot, e.g. "framework/thirdparty"
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* - THIRDPARTY_PATH: Absolute filepath, e.g. "/var/www/my-webroot/framework/thirdparty"
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*
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* @package framework
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* @subpackage core
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*/
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///////////////////////////////////////////////////////////////////////////////
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// ENVIRONMENT CONFIG
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/**
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* Include _ss_environment.php file
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*/
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//define the name of the environment file
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$envFile = '_ss_environment.php';
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//define the dirs to start scanning from (have to add the trailing slash)
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// we're going to check the realpath AND the path as the script sees it
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$dirsToCheck = array(
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realpath('.'),
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dirname($_SERVER['SCRIPT_FILENAME'])
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);
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//if they are the same, remove one of them
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if ($dirsToCheck[0] == $dirsToCheck[1]) {
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unset($dirsToCheck[1]);
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}
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foreach ($dirsToCheck as $dir) {
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//check this dir and every parent dir (until we hit the base of the drive)
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// or until we hit a dir we can't read
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while(true) {
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//if it's readable, go ahead
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if (@is_readable($dir)) {
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//if the file exists, then we include it, set relevant vars and break out
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if (file_exists($dir . DIRECTORY_SEPARATOR . $envFile)) {
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define('SS_ENVIRONMENT_FILE', $dir . DIRECTORY_SEPARATOR . $envFile);
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include_once(SS_ENVIRONMENT_FILE);
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//break out of BOTH loops because we found the $envFile
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break(2);
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}
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}
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else {
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//break out of the while loop, we can't read the dir
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break;
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}
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if (dirname($dir) == $dir) {
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// here we need to check that the path of the last dir and the next one are
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// not the same, if they are, we have hit the root of the drive
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break;
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}
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//go up a directory
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$dir = dirname($dir);
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}
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}
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/**
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* A blank HTTP_HOST value is used to detect command-line execution.
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* We update the $_SERVER variable to contain data consistent with the rest of the application.
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*/
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if(!isset($_SERVER['HTTP_HOST'])) {
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// HTTP_HOST, REQUEST_PORT, SCRIPT_NAME, and PHP_SELF
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if(isset($_FILE_TO_URL_MAPPING)) {
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$fullPath = $testPath = realpath($_SERVER['SCRIPT_FILENAME']);
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while($testPath && $testPath != '/' && !preg_match('/^[A-Z]:\\\\$/', $testPath)) {
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if(isset($_FILE_TO_URL_MAPPING[$testPath])) {
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$url = $_FILE_TO_URL_MAPPING[$testPath]
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. str_replace(DIRECTORY_SEPARATOR, '/', substr($fullPath,strlen($testPath)));
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$components = parse_url($url);
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$_SERVER['HTTP_HOST'] = $components['host'];
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if(!empty($components['port'])) $_SERVER['HTTP_HOST'] .= ':' . $components['port'];
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$_SERVER['SCRIPT_NAME'] = $_SERVER['PHP_SELF'] = $components['path'];
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if(!empty($components['port'])) $_SERVER['REQUEST_PORT'] = $components['port'];
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break;
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}
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$testPath = dirname($testPath);
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}
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}
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// Everything else
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$serverDefaults = array(
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'SERVER_PROTOCOL' => 'HTTP/1.1',
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'HTTP_ACCEPT' => 'text/plain;q=0.5',
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'HTTP_ACCEPT_LANGUAGE' => '*;q=0.5',
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'HTTP_ACCEPT_ENCODING' => '',
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'HTTP_ACCEPT_CHARSET' => 'ISO-8859-1;q=0.5',
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'SERVER_SIGNATURE' => 'Command-line PHP/' . phpversion(),
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'SERVER_SOFTWARE' => 'PHP/' . phpversion(),
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'SERVER_ADDR' => '127.0.0.1',
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'REMOTE_ADDR' => '127.0.0.1',
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'REQUEST_METHOD' => 'GET',
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'HTTP_USER_AGENT' => 'CLI',
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);
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$_SERVER = array_merge($serverDefaults, $_SERVER);
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/**
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* If we have an HTTP_HOST value, then we're being called from the webserver and there are some things that
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* need checking
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*/
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} else {
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/**
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* Fix HTTP_HOST from reverse proxies
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*/
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if (isset($_SERVER['HTTP_X_FORWARDED_HOST'])) {
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// Get the first host, in case there's multiple separated through commas
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$_SERVER['HTTP_HOST'] = strtok($_SERVER['HTTP_X_FORWARDED_HOST'], ',');
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}
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}
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/**
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* Define system paths
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*/
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if(!defined('BASE_PATH')) {
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// Assuming that this file is framework/core/Core.php we can then determine the base path
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$candidateBasePath = rtrim(dirname(dirname(dirname(__FILE__))), DIRECTORY_SEPARATOR);
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// We can't have an empty BASE_PATH. Making it / means that double-slashes occur in places but that's benign.
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// This likely only happens on chrooted environemnts
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if($candidateBasePath == '') $candidateBasePath = DIRECTORY_SEPARATOR;
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define('BASE_PATH', $candidateBasePath);
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}
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if(!defined('BASE_URL')) {
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// Determine the base URL by comparing SCRIPT_NAME to SCRIPT_FILENAME and getting common elements
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$path = realpath($_SERVER['SCRIPT_FILENAME']);
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if(substr($path, 0, strlen(BASE_PATH)) == BASE_PATH) {
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$urlSegmentToRemove = substr($path, strlen(BASE_PATH));
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if(substr($_SERVER['SCRIPT_NAME'], -strlen($urlSegmentToRemove)) == $urlSegmentToRemove) {
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$baseURL = substr($_SERVER['SCRIPT_NAME'], 0, -strlen($urlSegmentToRemove));
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define('BASE_URL', rtrim($baseURL, DIRECTORY_SEPARATOR));
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}
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}
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// If that didn't work, failover to the old syntax. Hopefully this isn't necessary, and maybe
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// if can be phased out?
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if(!defined('BASE_URL')) {
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$dir = (strpos($_SERVER['SCRIPT_NAME'], 'index.php') !== false)
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? dirname($_SERVER['SCRIPT_NAME'])
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: dirname(dirname($_SERVER['SCRIPT_NAME']));
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define('BASE_URL', rtrim($dir, DIRECTORY_SEPARATOR));
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}
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}
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define('MODULES_DIR', 'modules');
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define('MODULES_PATH', BASE_PATH . '/' . MODULES_DIR);
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define('THEMES_DIR', 'themes');
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define('THEMES_PATH', BASE_PATH . '/' . THEMES_DIR);
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// Relies on this being in a subdir of the framework.
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// If it isn't, or is symlinked to a folder with a different name, you must define FRAMEWORK_DIR
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if(!defined('FRAMEWORK_DIR')) {
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define('FRAMEWORK_DIR', basename(dirname(dirname(__FILE__))));
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}
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define('FRAMEWORK_PATH', BASE_PATH . '/' . FRAMEWORK_DIR);
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define('FRAMEWORK_ADMIN_DIR', FRAMEWORK_DIR . '/admin');
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define('FRAMEWORK_ADMIN_PATH', BASE_PATH . '/' . FRAMEWORK_ADMIN_DIR);
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// These are all deprecated. Use the FRAMEWORK_ versions instead.
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define('SAPPHIRE_DIR', FRAMEWORK_DIR);
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define('SAPPHIRE_PATH', FRAMEWORK_PATH);
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define('SAPPHIRE_ADMIN_DIR', FRAMEWORK_ADMIN_DIR);
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define('SAPPHIRE_ADMIN_PATH', FRAMEWORK_ADMIN_PATH);
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define('THIRDPARTY_DIR', FRAMEWORK_DIR . '/thirdparty');
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define('THIRDPARTY_PATH', BASE_PATH . '/' . THIRDPARTY_DIR);
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if(!defined('ASSETS_DIR')) {
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define('ASSETS_DIR', 'assets');
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}
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if(!defined('ASSETS_PATH')) {
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define('ASSETS_PATH', BASE_PATH . '/' . ASSETS_DIR);
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}
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///////////////////////////////////////////////////////////////////////////////
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// INCLUDES
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if(defined('CUSTOM_INCLUDE_PATH')) {
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$includePath = '.' . PATH_SEPARATOR . CUSTOM_INCLUDE_PATH . PATH_SEPARATOR
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. FRAMEWORK_PATH . PATH_SEPARATOR
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. FRAMEWORK_PATH . '/parsers' . PATH_SEPARATOR
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. THIRDPARTY_PATH . PATH_SEPARATOR
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. get_include_path();
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} else {
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$includePath = '.' . PATH_SEPARATOR . FRAMEWORK_PATH . PATH_SEPARATOR
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. FRAMEWORK_PATH . '/parsers' . PATH_SEPARATOR
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. THIRDPARTY_PATH . PATH_SEPARATOR
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. get_include_path();
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}
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set_include_path($includePath);
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/**
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* Define the temporary folder if it wasn't defined yet
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*/
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require_once 'core/TempPath.php';
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if(!defined('TEMP_FOLDER')) {
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define('TEMP_FOLDER', getTempFolder(BASE_PATH));
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}
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