82 lines
2.5 KiB
PHP
82 lines
2.5 KiB
PHP
<?php
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/*
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* This file is derived from part of the Symfony package, which is
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* (c) Fabien Potencier <fabien@symfony.com>
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*/
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namespace Robo\Common;
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use Symfony\Component\Process\Exception\InvalidArgumentException;
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/**
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* ProcessUtils is a bunch of utility methods. We want to allow Robo 1.x
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* to work with Symfony 4.x while remaining backwards compatibility. This
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* requires us to replace some deprecated functionality removed in Symfony.
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*/
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class ProcessUtils
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{
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/**
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* This class should not be instantiated.
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*/
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private function __construct()
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{
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}
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/**
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* Escapes a string to be used as a shell argument.
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*
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* This method is a copy of a method that was deprecated by Symfony 3.3 and
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* removed in Symfony 4; it will be removed once there is an actual
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* replacement for escapeArgument.
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*
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* @param string $argument
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* The argument that will be escaped.
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*
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* @return string
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* The escaped argument.
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*/
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public static function escapeArgument($argument)
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{
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//Fix for PHP bug #43784 escapeshellarg removes % from given string
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//Fix for PHP bug #49446 escapeshellarg doesn't work on Windows
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//@see https://bugs.php.net/bug.php?id=43784
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//@see https://bugs.php.net/bug.php?id=49446
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if ('\\' === DIRECTORY_SEPARATOR) {
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if ('' === $argument) {
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return escapeshellarg($argument);
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}
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$escapedArgument = '';
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$quote = false;
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foreach (preg_split('/(")/', $argument, -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE) as $part) {
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if ('"' === $part) {
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$escapedArgument .= '\\"';
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} elseif (self::isSurroundedBy($part, '%')) {
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// Avoid environment variable expansion
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$escapedArgument .= '^%"' . substr($part, 1, -1) . '"^%';
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} else {
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// escape trailing backslash
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if ('\\' === substr($part, -1)) {
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$part .= '\\';
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}
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$quote = true;
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$escapedArgument .= $part;
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}
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}
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if ($quote) {
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$escapedArgument = '"' . $escapedArgument . '"';
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}
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return $escapedArgument;
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}
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return "'" . str_replace("'", "'\\''", $argument) . "'";
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}
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private static function isSurroundedBy($arg, $char)
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{
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return 2 < strlen($arg) && $char === $arg[0] && $char === $arg[strlen($arg) - 1];
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}
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}
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