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<?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 <[email protected]> |
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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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* @param string $argument |
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* The argument that will be escaped. |
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* |
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* @return string |
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* The escaped argument. |
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* |
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* @deprecated since version 3.3, to be removed in 4.0. Use a command line array or give env vars to the `Process::start/run()` method instead. |
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*/ |
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public static function escapeArgument($argument) |
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{ |
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@trigger_error('The ' . __METHOD__ . '() method is a copy of a method that was deprecated by Symfony 3.3 and removed in Symfony 4; it will be removed in Robo 2.0.', E_USER_DEPRECATED); |
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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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consolidation /
robo
If you suppress an error, we recommend checking for the error condition explicitly: