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<?php |
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namespace Fxmlrpc\Serialization\Parser; |
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use Fxmlrpc\Serialization\Exception\FaultException; |
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use Fxmlrpc\Serialization\Exception\ParserException; |
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use Fxmlrpc\Serialization\Parser; |
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use Fxmlrpc\Serialization\Value\Base64Value; |
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use Fxmlrpc\Serialization\XmlChecker; |
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/** |
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* Parser to parse XML responses into its PHP representation using XML RPC extension. |
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* |
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* @author Lars Strojny <[email protected]> |
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*/ |
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final class NativeParser implements Parser |
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{ |
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const LIBXML_PARSEHUGE_THRESHOLD = 1024 * 1024 * 10; |
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/** |
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* @var bool |
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*/ |
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private $validateResponse; |
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/** |
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* @param bool $validateResponse |
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*/ |
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public function __construct($validateResponse = true) |
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{ |
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$this->validateResponse = $validateResponse; |
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} |
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/** |
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* Check whether a given string is over the parse limit. |
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* |
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* @param string $xmlString |
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* |
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* @return bool |
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*/ |
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public static function isBiggerThanParseLimit($xmlString) |
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{ |
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return strlen($xmlString) > static::LIBXML_PARSEHUGE_THRESHOLD; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function parse($xmlString) |
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{ |
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if ($this->validateResponse) { |
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XmlChecker::isValid($xmlString); |
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} |
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$result = xmlrpc_decode($xmlString, 'UTF-8'); |
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if ($result === null && self::isBiggerThanParseLimit($xmlString)) { |
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throw ParserException::xmlrpcExtensionLibxmlParsehugeNotSupported(); |
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} |
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$toBeVisited = [&$result]; |
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while (isset($toBeVisited[0]) && $value = &$toBeVisited[0]) { |
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$type = gettype($value); |
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if ($type === 'object') { |
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$xmlRpcType = $value->{'xmlrpc_type'}; |
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if ($xmlRpcType === 'datetime') { |
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$value = \DateTime::createFromFormat( |
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'Ymd\TH:i:s', |
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$value->scalar, |
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isset($timezone) ? $timezone : $timezone = new \DateTimeZone('UTC') |
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); |
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} elseif ($xmlRpcType === 'base64') { |
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if ($value->scalar !== '') { |
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$value = Base64Value::serialize($value->scalar); |
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} else { |
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$value = null; |
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} |
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} |
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} elseif ($type === 'array') { |
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foreach ($value as &$element) { |
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$toBeVisited[] = &$element; |
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} |
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} |
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array_shift($toBeVisited); |
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} |
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if (is_array($result)) { |
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reset($result); |
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if (xmlrpc_is_fault($result)) { |
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throw FaultException::createFromResponse($result); |
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} |
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} |
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return $result; |
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} |
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} |
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