87 lines
2.5 KiB
PHP
87 lines
2.5 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Process;
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/**
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* Generic executable finder.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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* @author Johannes M. Schmitt <schmittjoh@gmail.com>
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*/
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class ExecutableFinder
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{
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private $suffixes = ['.exe', '.bat', '.cmd', '.com'];
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/**
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* Replaces default suffixes of executable.
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*/
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public function setSuffixes(array $suffixes)
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{
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$this->suffixes = $suffixes;
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}
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/**
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* Adds new possible suffix to check for executable.
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*/
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public function addSuffix(string $suffix)
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{
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$this->suffixes[] = $suffix;
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}
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/**
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* Finds an executable by name.
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*
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* @param string $name The executable name (without the extension)
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* @param string|null $default The default to return if no executable is found
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* @param array $extraDirs Additional dirs to check into
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*
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* @return string|null
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*/
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public function find(string $name, string $default = null, array $extraDirs = [])
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{
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if (\ini_get('open_basedir')) {
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$searchPath = array_merge(explode(\PATH_SEPARATOR, \ini_get('open_basedir')), $extraDirs);
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$dirs = [];
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foreach ($searchPath as $path) {
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// Silencing against https://bugs.php.net/69240
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if (@is_dir($path)) {
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$dirs[] = $path;
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} else {
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if (basename($path) == $name && @is_executable($path)) {
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return $path;
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}
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}
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}
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} else {
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$dirs = array_merge(
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explode(\PATH_SEPARATOR, getenv('PATH') ?: getenv('Path')),
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$extraDirs
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);
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}
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$suffixes = [''];
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if ('\\' === \DIRECTORY_SEPARATOR) {
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$pathExt = getenv('PATHEXT');
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$suffixes = array_merge($pathExt ? explode(\PATH_SEPARATOR, $pathExt) : $this->suffixes, $suffixes);
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}
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foreach ($suffixes as $suffix) {
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foreach ($dirs as $dir) {
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if (@is_file($file = $dir.\DIRECTORY_SEPARATOR.$name.$suffix) && ('\\' === \DIRECTORY_SEPARATOR || @is_executable($file))) {
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return $file;
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}
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}
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}
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return $default;
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}
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}
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