2022-06-16 21:54:19 +02:00

175 lines
5.2 KiB
PHP

<?php
/**
* @file
* Contains \DrupalFinder\DrupalFinder.
*/
namespace DrupalFinder;
class DrupalFinder
{
/**
* Drupal web public directory.
*
* @var string
*/
private $drupalRoot;
/**
* Drupal package composer directory.
*
* @var bool
*/
private $composerRoot;
/**
* Composer vendor directory.
*
* @var string
*
* @see https://getcomposer.org/doc/06-config.md#vendor-dir
*/
private $vendorDir;
public function locateRoot($start_path)
{
$this->drupalRoot = false;
$this->composerRoot = false;
$this->vendorDir = false;
foreach (array(true, false) as $follow_symlinks) {
$path = $start_path;
if ($follow_symlinks && is_link($path)) {
$path = realpath($path);
}
// Check the start path.
if ($this->isValidRoot($path)) {
return true;
} else {
// Move up dir by dir and check each.
while ($path = $this->shiftPathUp($path)) {
if ($follow_symlinks && is_link($path)) {
$path = realpath($path);
}
if ($this->isValidRoot($path)) {
return true;
}
}
}
}
return false;
}
/**
* Returns parent directory.
*
* @param string
* Path to start from
*
* @return string|false
* Parent path of given path or false when $path is filesystem root
*/
private function shiftPathUp($path)
{
$parent = dirname($path);
return in_array($parent, ['.', $path]) ? false : $parent;
}
/**
* @param $path
*
* @return bool
*/
protected function isValidRoot($path)
{
if (!empty($path) && is_dir($path) && file_exists($path . '/autoload.php') && file_exists($path . '/' . $this->getComposerFileName())) {
// Additional check for the presence of core/composer.json to
// grant it is not a Drupal 7 site with a base folder named "core".
$candidate = 'core/includes/common.inc';
if (file_exists($path . '/' . $candidate) && file_exists($path . '/core/core.services.yml')) {
if (file_exists($path . '/core/misc/drupal.js') || file_exists($path . '/core/assets/js/drupal.js')) {
$this->composerRoot = $path;
$this->drupalRoot = $path;
$this->vendorDir = $this->composerRoot . '/vendor';
}
}
}
if (!empty($path) && is_dir($path) && file_exists($path . '/' . $this->getComposerFileName())) {
$json = json_decode(
file_get_contents($path . '/' . $this->getComposerFileName()),
true
);
if (is_null($json)) {
throw new \Exception('Unable to decode ' . $path . '/' . $this->getComposerFileName());
}
if (is_array($json)) {
if (isset($json['extra']['installer-paths']) && is_array($json['extra']['installer-paths'])) {
foreach ($json['extra']['installer-paths'] as $install_path => $items) {
if (in_array('type:drupal-core', $items) ||
in_array('drupal/core', $items) ||
in_array('drupal/drupal', $items)) {
$this->composerRoot = $path;
// @todo: Remove this magic and detect the major version instead.
if (($install_path == 'core') || ((isset($json['name'])) && ($json['name'] == 'drupal/drupal'))) {
$install_path = '';
} elseif (substr($install_path, -5) == '/core') {
$install_path = substr($install_path, 0, -5);
}
$this->drupalRoot = rtrim($path . '/' . $install_path, '/');
$this->vendorDir = $this->composerRoot . '/vendor';
}
}
}
}
}
if ($this->composerRoot && file_exists($this->composerRoot . '/' . $this->getComposerFileName())) {
$json = json_decode(
file_get_contents($path . '/' . $this->getComposerFileName()),
true
);
if (is_array($json) && isset($json['config']['vendor-dir'])) {
$this->vendorDir = $this->composerRoot . '/' . $json['config']['vendor-dir'];
}
}
return $this->drupalRoot && $this->composerRoot && $this->vendorDir;
}
/**
* @return string
*/
public function getDrupalRoot()
{
return $this->drupalRoot;
}
/**
* @return string
*/
public function getComposerRoot()
{
return $this->composerRoot;
}
/**
* @return string
*/
protected function getComposerFileName()
{
return trim(getenv('COMPOSER')) ?: 'composer.json';
}
/**
* @return string
*/
public function getVendorDir()
{
return $this->vendorDir;
}
}