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API: Derive BASE_PATH from composer autoloader

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The location of composer’s vendor/autoload_real.php file is a good
indicator of the root of a project, and can be used to derive a
BASE_PATH

This gives us more flexibility about where the framework module is
installed relative to a project root. It also lets us use the framework
module as a project root, e.g. in test runs.

THIRDPARTY_PATH and ADMIN_PATH are calculated relative to this, and
the FRAMEWORK_DIR, THIRDPARTY_DIR, and ADMIN_DIR are relative to the
BASE_PATH.
This commit is contained in:
Sam Minnee 2016-09-12 15:13:55 +12:00
parent a1c9de3c91
commit ab7e5944d1
1 changed files with 23 additions and 13 deletions
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36
Core/Constants.php
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@ -175,8 +175,19 @@ if (defined('SS_ALLOWED_HOSTS') && php_sapi_name() !== "cli") {
/**
* Define system paths
*/
// Determine BASE_PATH based on the composer autoloader
if(!defined('BASE_PATH')) {
// Assuming that this file is framework/core/Core.php we can then determine the base path
foreach(debug_backtrace() as $backtraceItem) {
if(preg_match('#^(.*)\/vendor/composer/autoload_real.php#', $backtraceItem['file'], $matches)) {
define('BASE_PATH', $matches[1]);
break;
}
}
}
// Determine BASE_PATH by assuming that this file is framework/core/Core.php
if(!defined('BASE_PATH')) {
// we can then determine the base path
$candidateBasePath = rtrim(dirname(dirname(dirname(__FILE__))), DIRECTORY_SEPARATOR);
// We can't have an empty BASE_PATH. Making it / means that double-slashes occur in places but that's benign.
// This likely only happens on chrooted environemnts
@ -209,21 +220,20 @@ define('THEMES_DIR', 'themes');
define('THEMES_PATH', BASE_PATH . '/' . THEMES_DIR);
// Relies on this being in a subdir of the framework.
// If it isn't, or is symlinked to a folder with a different name, you must define FRAMEWORK_DIR
if(!defined('FRAMEWORK_DIR')) {
define('FRAMEWORK_DIR', basename(dirname(dirname(__FILE__))));
define('FRAMEWORK_PATH', realpath(__DIR__ . '/../'));
if(strpos(FRAMEWORK_PATH, BASE_PATH) === 0) {
define('FRAMEWORK_DIR', trim(substr(FRAMEWORK_PATH, strlen(BASE_PATH)), '/'));
$frameworkDirSlashSuffix = FRAMEWORK_DIR ? FRAMEWORK_DIR . '/' : '';
} else {
throw new Exception("Path error: FRAMEWORK_PATH " . FRAMEWORK_PATH . " not within BASE_PATH " . BASE_PATH);
}
define('FRAMEWORK_PATH', BASE_PATH . '/' . FRAMEWORK_DIR);
define('FRAMEWORK_ADMIN_DIR', FRAMEWORK_DIR . '/admin');
define('FRAMEWORK_ADMIN_PATH', BASE_PATH . '/' . FRAMEWORK_ADMIN_DIR);
// These are all deprecated. Use the FRAMEWORK_ versions instead.
define('SAPPHIRE_DIR', FRAMEWORK_DIR);
define('SAPPHIRE_PATH', FRAMEWORK_PATH);
define('SAPPHIRE_ADMIN_DIR', FRAMEWORK_ADMIN_DIR);
define('SAPPHIRE_ADMIN_PATH', FRAMEWORK_ADMIN_PATH);
define('FRAMEWORK_ADMIN_DIR', $frameworkDirSlashSuffix . 'admin');
define('FRAMEWORK_ADMIN_PATH', FRAMEWORK_PATH . '/admin');
define('THIRDPARTY_DIR', FRAMEWORK_DIR . '/thirdparty');
define('THIRDPARTY_PATH', BASE_PATH . '/' . THIRDPARTY_DIR);
define('THIRDPARTY_DIR', $frameworkDirSlashSuffix . 'thirdparty');
define('THIRDPARTY_PATH', FRAMEWORK_PATH . '/thirdparty');
define('ADMIN_THIRDPARTY_DIR', FRAMEWORK_ADMIN_DIR . '/thirdparty');
define('ADMIN_THIRDPARTY_PATH', BASE_PATH . '/' . ADMIN_THIRDPARTY_DIR);