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Edit File : SudoCommand.php \| Size : 3.67 KB
<?php /* * This file is part of Psy Shell. * * (c) 2012-2018 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} / 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()); } /* * Lex and parse a string of code into statements. * * @param string $code * * @return array Statements */ private function parse($code) { 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 . ';'); } } } Back

Edit File : SudoCommand.php | Size : 3.67 KB

<?php

/*
 * This file is part of Psy Shell.
 *
 * (c) 2012-2018 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}
     */
    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());
    }

/**
     * Lex and parse a string of code into statements.
     *
     * @param string $code
     *
     * @return array Statements
     */
    private function parse($code)
    {
        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 . ';');
        }
    }
}

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