xKerman /
restricted-unserialize
| @@ 6-56 (lines=51) @@ | ||
| 3 | /** |
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| 4 | * Handler for PHP serialiezed array |
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| 5 | */ |
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| 6 | class xKerman_Restricted_ArrayHandler implements xKerman_Restricted_HandlerInterface |
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| 7 | { |
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| 8 | /** @var ParserInterface $expressionParser parser for unserialize expression */ |
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| 9 | private $expressionParser; |
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| 10 | /** @var integer */ |
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| 11 | const CLOSE_BRACE_LENGTH = 1; |
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| 12 | /** |
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| 13 | * constructor |
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| 14 | * |
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| 15 | * @param ParserInterface $expressionParser parser for unserialize expression |
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| 16 | */ |
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| 17 | public function __construct(xKerman_Restricted_ParserInterface $expressionParser) |
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| 18 | { |
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| 19 | $this->expressionParser = $expressionParser; |
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| 20 | } |
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| 21 | /** |
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| 22 | * parse given `$source` as PHP serialized array |
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| 23 | * |
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| 24 | * @param Source $source parser input |
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| 25 | * @param string $args array length |
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| 26 | * @return array |
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| 27 | * @throws UnserializeFailedException |
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| 28 | */ |
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| 29 | public function handle(xKerman_Restricted_Source $source, $args) |
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| 30 | { |
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| 31 | $length = intval($args, 10); |
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| 32 | $result = array(); |
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| 33 | for ($i = 0; $i < $length; ++$i) { |
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| 34 | list($key, $source) = $this->parseKey($source); |
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| 35 | list($value, $source) = $this->expressionParser->parse($source); |
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| 36 | $result[$key] = $value; |
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| 37 | } |
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| 38 | $source->consume('}', self::CLOSE_BRACE_LENGTH); |
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| 39 | return array($result, $source); |
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| 40 | } |
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| 41 | /** |
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| 42 | * parse given `$source` as array key (s.t. integer|string) |
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| 43 | * |
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| 44 | * @param Source $source input |
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| 45 | * @return array |
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| 46 | * @throws UnserializeFailedException |
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| 47 | */ |
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| 48 | private function parseKey($source) |
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| 49 | { |
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| 50 | list($key, $source) = $this->expressionParser->parse($source); |
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| 51 | if (!is_integer($key) && !is_string($key)) { |
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| 52 | return $source->triggerError(); |
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| 53 | } |
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| 54 | return array($key, $source); |
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| 55 | } |
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| 56 | } |
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| @@ 10-66 (lines=57) @@ | ||
| 7 | /** |
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| 8 | * Handler for PHP serialiezed array |
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| 9 | */ |
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| 10 | class ArrayHandler implements HandlerInterface |
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| 11 | { |
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| 12 | /** @var ParserInterface $expressionParser parser for unserialize expression */ |
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| 13 | private $expressionParser; |
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| 14 | ||
| 15 | /** @var integer */ |
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| 16 | const CLOSE_BRACE_LENGTH = 1; |
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| 17 | ||
| 18 | /** |
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| 19 | * constructor |
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| 20 | * |
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| 21 | * @param ParserInterface $expressionParser parser for unserialize expression |
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| 22 | */ |
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| 23 | public function __construct(ParserInterface $expressionParser) |
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| 24 | { |
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| 25 | $this->expressionParser = $expressionParser; |
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| 26 | } |
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| 27 | ||
| 28 | /** |
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| 29 | * parse given `$source` as PHP serialized array |
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| 30 | * |
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| 31 | * @param Source $source parser input |
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| 32 | * @param string $args array length |
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| 33 | * @return array |
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| 34 | * @throws UnserializeFailedException |
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| 35 | */ |
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| 36 | public function handle(Source $source, $args) |
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| 37 | { |
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| 38 | $length = intval($args, 10); |
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| 39 | ||
| 40 | $result = array(); |
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| 41 | for ($i = 0; $i < $length; ++$i) { |
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| 42 | list($key, $source) = $this->parseKey($source); |
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| 43 | list($value, $source) = $this->expressionParser->parse($source); |
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| 44 | $result[$key] = $value; |
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| 45 | } |
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| 46 | ||
| 47 | $source->consume('}', self::CLOSE_BRACE_LENGTH); |
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| 48 | return array($result, $source); |
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| 49 | } |
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| 50 | ||
| 51 | /** |
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| 52 | * parse given `$source` as array key (s.t. integer|string) |
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| 53 | * |
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| 54 | * @param Source $source input |
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| 55 | * @return array |
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| 56 | * @throws UnserializeFailedException |
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| 57 | */ |
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| 58 | private function parseKey($source) |
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| 59 | { |
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| 60 | list($key, $source) = $this->expressionParser->parse($source); |
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| 61 | if (!is_integer($key) && !is_string($key)) { |
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| 62 | return $source->triggerError(); |
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| 63 | } |
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| 64 | return array($key, $source); |
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| 65 | } |
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| 66 | } |
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| 67 | ||
