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<?php |
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namespace PhpXmlRpc; |
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use PhpXmlRpc\Helper\Charset; |
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/** |
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* This class provides the representation of the response of an XML-RPC server. |
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* Server-side, a server method handler will construct a Response and pass it as its return value. |
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* An identical Response object will be returned by the result of an invocation of the send() method of the Client class. |
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* |
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* @property array $hdrs deprecated, use $httpResponse['headers'] |
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* @property array _cookies deprecated, use $httpResponse['cookies'] |
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* @property string $raw_data deprecated, use $httpResponse['raw_data'] |
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*/ |
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class Response |
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{ |
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protected static $charsetEncoder; |
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/// @todo: do these need to be public? |
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/** @internal */ |
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public $val = 0; |
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/** @internal */ |
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public $valtyp; |
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/** @internal */ |
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public $errno = 0; |
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/** @internal */ |
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public $errstr = ''; |
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public $payload; |
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public $content_type = 'text/xml'; |
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protected $httpResponse = array('headers' => array(), 'cookies' => array(), 'raw_data' => '', 'status_code' => null); |
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public function getCharsetEncoder() |
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{ |
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if (self::$charsetEncoder === null) { |
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self::$charsetEncoder = Charset::instance(); |
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} |
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return self::$charsetEncoder; |
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} |
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public function setCharsetEncoder($charsetEncoder) |
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{ |
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self::$charsetEncoder = $charsetEncoder; |
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} |
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/** |
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* @param Value|string|mixed $val either a Value object, a php value or the xml serialization of an xmlrpc value (a string) |
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* @param integer $fCode set it to anything but 0 to create an error response. In that case, $val is discarded |
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* @param string $fString the error string, in case of an error response |
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* @param string $valType The type of $val passed in. Either 'xmlrpcvals', 'phpvals' or 'xml'. Leave empty to let |
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* the code guess the correct type. |
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* @param array|null $httpResponse |
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* |
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* @todo add check that $val / $fCode / $fString is of correct type??? |
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* NB: as of now we do not do it, since it might be either an xmlrpc value or a plain php val, or a complete |
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* xml chunk, depending on usage of Client::send() inside which creator is called... |
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*/ |
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public function __construct($val, $fCode = 0, $fString = '', $valType = '', $httpResponse = null) |
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{ |
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if ($fCode != 0) { |
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// error response |
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$this->errno = $fCode; |
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$this->errstr = $fString; |
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} else { |
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// successful response |
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$this->val = $val; |
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if ($valType == '') { |
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// user did not declare type of response value: try to guess it |
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if (is_object($this->val) && is_a($this->val, 'PhpXmlRpc\Value')) { |
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$this->valtyp = 'xmlrpcvals'; |
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} elseif (is_string($this->val)) { |
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$this->valtyp = 'xml'; |
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} else { |
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$this->valtyp = 'phpvals'; |
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} |
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} else { |
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// user declares type of resp value: believe him |
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$this->valtyp = $valType; |
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} |
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} |
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if (is_array($httpResponse)) { |
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$this->httpResponse = array_merge(array('headers' => array(), 'cookies' => array(), 'raw_data' => '', 'status_code' => null), $httpResponse); |
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} |
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} |
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/** |
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* Returns the error code of the response. |
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* |
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* @return integer the error code of this response (0 for not-error responses) |
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*/ |
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public function faultCode() |
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{ |
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return $this->errno; |
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} |
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/** |
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* Returns the error code of the response. |
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* |
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* @return string the error string of this response ('' for not-error responses) |
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*/ |
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public function faultString() |
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{ |
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return $this->errstr; |
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} |
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/** |
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* Returns the value received by the server. If the Response's faultCode is non-zero then the value returned by this |
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* method should not be used (it may not even be an object). |
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* |
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* @return Value|string|mixed the Value object returned by the server. Might be an xml string or plain php value |
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* depending on the convention adopted when creating the Response |
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*/ |
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public function value() |
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{ |
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return $this->val; |
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} |
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/** |
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* Returns an array with the cookies received from the server. |
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* Array has the form: $cookiename => array ('value' => $val, $attr1 => $val1, $attr2 => $val2, ...) |
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* with attributes being e.g. 'expires', 'path', domain'. |
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* NB: cookies sent as 'expired' by the server (i.e. with an expiry date in the past) are still present in the array. |
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* It is up to the user-defined code to decide how to use the received cookies, and whether they have to be sent back |
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* with the next request to the server (using Client::setCookie) or not. |
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* |
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* @return array[] array of cookies received from the server |
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*/ |
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public function cookies() |
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{ |
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return $this->httpResponse['cookies']; |
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} |
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/** |
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* @return array array with keys 'headers', 'cookies', 'raw_data' and 'status_code' |
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*/ |
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public function httpResponse() |
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{ |
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return $this->httpResponse; |
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} |
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/** |
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* Returns xml representation of the response. XML prologue not included. |
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* |
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* @param string $charsetEncoding the charset to be used for serialization. If null, US-ASCII is assumed |
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* |
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* @return string the xml representation of the response |
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* |
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* @throws \Exception |
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*/ |
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public function serialize($charsetEncoding = '') |
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{ |
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if ($charsetEncoding != '') { |
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$this->content_type = 'text/xml; charset=' . $charsetEncoding; |
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} else { |
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$this->content_type = 'text/xml'; |
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} |
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if (PhpXmlRpc::$xmlrpc_null_apache_encoding) { |
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$result = "<methodResponse xmlns:ex=\"" . PhpXmlRpc::$xmlrpc_null_apache_encoding_ns . "\">\n"; |
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} else { |
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$result = "<methodResponse>\n"; |
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} |
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if ($this->errno) { |
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// Let non-ASCII response messages be tolerated by clients by xml-encoding non ascii chars |
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$result .= "<fault>\n" . |
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"<value>\n<struct><member><name>faultCode</name>\n<value><int>" . $this->errno . |
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"</int></value>\n</member>\n<member>\n<name>faultString</name>\n<value><string>" . |
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Charset::instance()->encodeEntities($this->errstr, PhpXmlRpc::$xmlrpc_internalencoding, $charsetEncoding) . "</string></value>\n</member>\n" . |
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"</struct>\n</value>\n</fault>"; |
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} else { |
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if (!is_object($this->val) || !is_a($this->val, 'PhpXmlRpc\Value')) { |
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if (is_string($this->val) && $this->valtyp == 'xml') { |
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$result .= "<params>\n<param>\n" . |
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$this->val . |
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"</param>\n</params>"; |
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} else { |
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/// @todo try to build something serializable using the Encoder... |
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throw new \Exception('cannot serialize xmlrpc response objects whose content is native php values'); |
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} |
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} else { |
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$result .= "<params>\n<param>\n" . |
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$this->val->serialize($charsetEncoding) . |
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"</param>\n</params>"; |
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} |
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} |
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$result .= "\n</methodResponse>"; |
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$this->payload = $result; |
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return $result; |
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} |
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// BC layer |
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public function __get($name) |
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{ |
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//trigger_error('getting property Response::' . $name . ' is deprecated', E_USER_DEPRECATED); |
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switch($name) { |
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case 'hdrs': |
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return $this->httpResponse['headers']; |
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case '_cookies': |
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return $this->httpResponse['cookies']; |
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case 'raw_data': |
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return $this->httpResponse['raw_data']; |
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default: |
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$trace = debug_backtrace(); |
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trigger_error('Undefined property via __get(): ' . $name . ' in ' . $trace[0]['file'] . ' on line ' . $trace[0]['line'], E_USER_WARNING); |
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return null; |
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} |
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} |
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public function __set($name, $value) |
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{ |
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//trigger_error('setting property Response::' . $name . ' is deprecated', E_USER_DEPRECATED); |
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switch($name) { |
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case 'hdrs': |
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$this->httpResponse['headers'] = $value; |
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break; |
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case '_cookies': |
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$this->httpResponse['cookies'] = $value; |
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break; |
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case 'raw_data': |
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$this->httpResponse['raw_data'] = $value; |
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break; |
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default: |
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$trace = debug_backtrace(); |
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trigger_error('Undefined property via __set(): ' . $name . ' in ' . $trace[0]['file'] . ' on line ' . $trace[0]['line'], E_USER_WARNING); |
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} |
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} |
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public function __isset($name) |
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{ |
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switch($name) { |
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case 'hdrs': |
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return isset($this->httpResponse['headers']); |
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case '_cookies': |
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return isset($this->httpResponse['cookies']); |
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case 'raw_data': |
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return isset($this->httpResponse['raw_data']); |
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default: |
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return false; |
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} |
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} |
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public function __unset($name) |
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{ |
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switch($name) { |
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case 'hdrs': |
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unset($this->httpResponse['headers']); |
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break; |
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case '_cookies': |
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unset($this->httpResponse['cookies']); |
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break; |
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case 'raw_data': |
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unset($this->httpResponse['raw_data']); |
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break; |
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default: |
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$trace = debug_backtrace(); |
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trigger_error('Undefined property via __unset(): ' . $name . ' in ' . $trace[0]['file'] . ' on line ' . $trace[0]['line'], E_USER_WARNING); |
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} |
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} |
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} |
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