Subversion-Projekte lars-tiefland.laravel_shop

<?php

/*

 * This file is part of Psy Shell.

 *

 * (c) 2012-2022 Justin Hileman

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

namespace Psy\Command;

use PhpParser\NodeTraverser;

use PhpParser\PrettyPrinter\Standard as Printer;

use Psy\Input\CodeArgument;

use Psy\ParserFactory;

use Psy\Readline\Readline;

use Psy\Sudo\SudoVisitor;

use Symfony\Component\Console\Input\InputInterface;

use Symfony\Component\Console\Output\OutputInterface;

/**

 * Evaluate PHP code, bypassing visibility restrictions.

 */

class SudoCommand extends Command

{

    private $readline;

    private $parser;

    private $traverser;

    private $printer;

    /**

     * {@inheritdoc}

     */

    public function __construct($name = null)

    {

        $parserFactory = new ParserFactory();

        $this->parser = $parserFactory->createParser();

        $this->traverser = new NodeTraverser();

        $this->traverser->addVisitor(new SudoVisitor());

        $this->printer = new Printer();

        parent::__construct($name);

    }

    /**

     * Set the Shell's Readline service.

     *

     * @param Readline $readline

     */

    public function setReadline(Readline $readline)

    {

        $this->readline = $readline;

    }

    /**

     * {@inheritdoc}

     */

    protected function configure()

    {

        $this

            ->setName('sudo')

            ->setDefinition([

                new CodeArgument('code', CodeArgument::REQUIRED, 'Code to execute.'),

            ])

            ->setDescription('Evaluate PHP code, bypassing visibility restrictions.')

            ->setHelp(

                <<<'HELP'

Evaluate PHP code, bypassing visibility restrictions.

e.g.

<return>>>> $sekret->whisper("hi")</return>

<return>PHP error:  Call to private method Sekret::whisper() from context '' on line 1</return>

<return>>>> sudo $sekret->whisper("hi")</return>

<return>=> "hi"</return>

<return>>>> $sekret->word</return>

<return>PHP error:  Cannot access private property Sekret::$word on line 1</return>

<return>>>> sudo $sekret->word</return>

<return>=> "hi"</return>

<return>>>> $sekret->word = "please"</return>

<return>PHP error:  Cannot access private property Sekret::$word on line 1</return>

<return>>>> sudo $sekret->word = "please"</return>

<return>=> "please"</return>

HELP

            );

    }

    /**

     * {@inheritdoc}

     *

     * @return int 0 if everything went fine, or an exit code

     */

    protected function execute(InputInterface $input, OutputInterface $output)

    {

        $code = $input->getArgument('code');

        // special case for !!

        if ($code === '!!') {

            $history = $this->readline->listHistory();

            if (\count($history) < 2) {

                throw new \InvalidArgumentException('No previous command to replay');

            }

            $code = $history[\count($history) - 2];

        }

        if (\strpos($code, '<?') === false) {

            $code = '<?php '.$code;

        }

        $nodes = $this->traverser->traverse($this->parse($code));

        $sudoCode = $this->printer->prettyPrint($nodes);

        $shell = $this->getApplication();

        $shell->addCode($sudoCode, !$shell->hasCode());

        return 0;

    }

    /**

     * Lex and parse a string of code into statements.

     *

     * @param string $code

     *

     * @return array Statements

     */

    private function parse(string $code): array

    {

        try {

            return $this->parser->parse($code);

        } catch (\PhpParser\Error $e) {

            if (\strpos($e->getMessage(), 'unexpected EOF') === false) {

                throw $e;

            }

            // If we got an unexpected EOF, let's try it again with a semicolon.

            return $this->parser->parse($code.';');

        }

    }

}