70 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			70 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| 
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| namespace Illuminate\Support;
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| 
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| /**
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|  * ProcessUtils is a bunch of utility methods.
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|  *
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|  * This class was originally copied from Symfony 3.
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|  */
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| class ProcessUtils
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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  $argument
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|      * @return string
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|      */
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|     public static function escapeArgument($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 '""';
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|             }
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| 
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|             $escapedArgument = '';
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|             $quote = false;
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| 
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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 .= $part;
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|                 }
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|             }
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| 
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|             if ($quote) {
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|                 $escapedArgument = '"'.$escapedArgument.'"';
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|             }
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| 
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|             return $escapedArgument;
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|         }
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| 
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|         return "'".str_replace("'", "'\\''", $argument)."'";
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|     }
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| 
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|     /**
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|      * Is the given string surrounded by the given character?
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|      *
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|      * @param  string  $arg
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|      * @param  string  $char
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|      * @return bool
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|      */
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|     protected static function isSurroundedBy($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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