105 lines
3.2 KiB
PHP
105 lines
3.2 KiB
PHP
<?php
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/*
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* This file is part of composer/xdebug-handler.
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*
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* (c) Composer <https://github.com/composer>
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*
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* For the full copyright and license information, please view
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* the LICENSE file that was distributed with this source code.
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*/
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namespace ps_metrics_module_v4_0_5\Composer\XdebugHandler;
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use ps_metrics_module_v4_0_5\Composer\Pcre\Preg;
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/**
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* Process utility functions
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*
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* @author John Stevenson <john-stevenson@blueyonder.co.uk>
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*/
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class Process
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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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* From https://github.com/johnstevenson/winbox-args
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* MIT Licensed (c) John Stevenson <john-stevenson@blueyonder.co.uk>
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*
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* @param string $arg The argument to be escaped
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* @param bool $meta Additionally escape cmd.exe meta characters
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* @param bool $module The argument is the module to invoke
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*
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* @return string The escaped argument
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*/
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public static function escape($arg, $meta = \true, $module = \false)
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{
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if (!\defined('PHP_WINDOWS_VERSION_BUILD')) {
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return "'" . \str_replace("'", "'\\''", $arg) . "'";
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}
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$quote = \strpbrk($arg, " \t") !== \false || $arg === '';
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$arg = Preg::replace('/(\\\\*)"/', '$1$1\\"', $arg, -1, $dquotes);
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if ($meta) {
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$meta = $dquotes || Preg::isMatch('/%[^%]+%/', $arg);
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if (!$meta) {
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$quote = $quote || \strpbrk($arg, '^&|<>()') !== \false;
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} elseif ($module && !$dquotes && $quote) {
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$meta = \false;
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}
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}
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if ($quote) {
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$arg = '"' . Preg::replace('/(\\\\*)$/', '$1$1', $arg) . '"';
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}
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if ($meta) {
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$arg = Preg::replace('/(["^&|<>()%])/', '^$1', $arg);
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}
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return $arg;
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}
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/**
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* Escapes an array of arguments that make up a shell command
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*
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* @param string[] $args Argument list, with the module name first
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*
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* @return string The escaped command line
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*/
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public static function escapeShellCommand(array $args)
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{
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$command = '';
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$module = \array_shift($args);
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if ($module !== null) {
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$command = self::escape($module, \true, \true);
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foreach ($args as $arg) {
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$command .= ' ' . self::escape($arg);
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}
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}
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return $command;
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}
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/**
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* Makes putenv environment changes available in $_SERVER and $_ENV
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*
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* @param string $name
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* @param string|null $value A null value unsets the variable
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*
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* @return bool Whether the environment variable was set
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*/
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public static function setEnv($name, $value = null)
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{
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$unset = null === $value;
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if (!\putenv($unset ? $name : $name . '=' . $value)) {
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return \false;
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}
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if ($unset) {
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unset($_SERVER[$name]);
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} else {
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$_SERVER[$name] = $value;
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}
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// Update $_ENV if it is being used
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if (\false !== \stripos((string) \ini_get('variables_order'), 'E')) {
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if ($unset) {
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unset($_ENV[$name]);
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} else {
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$_ENV[$name] = $value;
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}
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}
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return \true;
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}
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}
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