xKerman /
restricted-unserialize
| @@ 6-34 (lines=29) @@ | ||
| 3 | /** |
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| 4 | * Handler for escaped string |
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| 5 | */ |
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| 6 | class xKerman_Restricted_EscapedStringHandler implements xKerman_Restricted_HandlerInterface |
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| 7 | { |
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| 8 | /** @var integer */ |
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| 9 | const CLOSE_STRING_LENGTH = 2; |
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| 10 | /** |
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| 11 | * parse given `$source` as escaped string |
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| 12 | * |
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| 13 | * @param Source $source parser input |
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| 14 | * @param string $args string length |
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| 15 | * @return array |
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| 16 | * @throws UnserializeFailedException |
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| 17 | */ |
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| 18 | public function handle(xKerman_Restricted_Source $source, $args) |
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| 19 | { |
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| 20 | $length = intval($args, 10); |
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| 21 | $result = array(); |
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| 22 | for ($i = 0; $i < $length; ++$i) { |
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| 23 | $char = $source->read(1); |
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| 24 | if ($char !== '\\') { |
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| 25 | $result[] = $char; |
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| 26 | continue; |
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| 27 | } |
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| 28 | $hex = $source->match('/\\G([0-9a-fA-F]{2})/'); |
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| 29 | $result[] = chr(base_convert($hex[0], 16, 10)); |
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| 30 | } |
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| 31 | $source->consume('";', self::CLOSE_STRING_LENGTH); |
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| 32 | return array(implode('', $result), $source); |
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| 33 | } |
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| 34 | } |
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| @@ 10-39 (lines=30) @@ | ||
| 7 | /** |
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| 8 | * Handler for escaped string |
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| 9 | */ |
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| 10 | class EscapedStringHandler implements HandlerInterface |
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| 11 | { |
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| 12 | /** @var integer */ |
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| 13 | const CLOSE_STRING_LENGTH = 2; |
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| 14 | ||
| 15 | /** |
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| 16 | * parse given `$source` as escaped string |
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| 17 | * |
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| 18 | * @param Source $source parser input |
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| 19 | * @param string $args string length |
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| 20 | * @return array |
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| 21 | * @throws UnserializeFailedException |
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| 22 | */ |
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| 23 | public function handle(Source $source, $args) |
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| 24 | { |
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| 25 | $length = intval($args, 10); |
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| 26 | $result = array(); |
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| 27 | for ($i = 0; $i < $length; ++$i) { |
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| 28 | $char = $source->read(1); |
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| 29 | if ($char !== '\\') { |
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| 30 | $result[] = $char; |
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| 31 | continue; |
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| 32 | } |
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| 33 | $hex = $source->match('/\G([0-9a-fA-F]{2})/'); |
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| 34 | $result[] = chr(base_convert($hex[0], 16, 10)); |
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| 35 | } |
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| 36 | $source->consume('";', self::CLOSE_STRING_LENGTH); |
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| 37 | return array(implode('', $result), $source); |
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| 38 | } |
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| 39 | } |
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| 40 | ||
