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<?php |
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/** |
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* this file is part of magerun |
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* |
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* @author Tom Klingenberg <https://github.com/ktomk> |
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*/ |
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namespace N98\Util; |
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use InvalidArgumentException; |
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use RuntimeException; |
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/** |
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* Class VerifyOrDie |
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* |
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* @package N98\Util |
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*/ |
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class VerifyOrDie |
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{ |
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/** |
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* Portable basename |
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* |
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* @param string $basename |
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* @param string $message [optional] |
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* @return string |
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*/ |
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public static function filename($basename, $message = null) |
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{ |
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static::argumentType('basename', 'string', $basename); |
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null === $message || static::argumentType('message', 'string', $message); |
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# a filename must at least contain a single character |
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if (!strlen($basename)) { |
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self::violation($message ?: 'Filename is zero-length string'); |
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} |
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# no control characters, no posix forbidden ones, no windows forbidden ones and no spaces - and not empty |
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$pattern = '~^[^\x00-\x1F\x7F/<>:"\\|?* ]+$~'; |
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if (!preg_match($pattern, $basename)) { |
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self::violation($message ?: sprintf("Filename %s is not portable", var_export($basename, true))); |
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} |
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if ('-' === $basename[0]) { |
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self::violation($message ?: sprintf("Filename %s starts with a dash", var_export($basename, true))); |
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} |
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return $basename; |
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} |
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/** |
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* @param string $name |
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* @param string $internalType |
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* @param mixed $subject |
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*/ |
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public static function argumentType($name, $internalType, $subject) |
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{ |
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$actual = gettype($subject); |
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if ($actual !== $internalType) { |
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throw new InvalidArgumentException( |
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sprintf('Parameter %s must be of type %s, %s given', $name, $internalType, $actual) |
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); |
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} |
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} |
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private static function violation($message) |
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{ |
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throw new RuntimeException($message); |
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} |
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} |
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netz98 /
n98-magerun
