X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=src%2FRequest.php;h=66cc7887057125e57c07f4478add2ee28026e5b3;hb=b6681659a7cabd3599f6a7040aa06fa75e4be052;hp=df899e3b630723f7773d7df6d30496ecf7dcdba3;hpb=85f6c5ecb5094c17aa7a0134006534a8b8387274;p=plcapi.git diff --git a/src/Request.php b/src/Request.php index df899e3..66cc788 100644 --- a/src/Request.php +++ b/src/Request.php @@ -7,11 +7,17 @@ use PhpXmlRpc\Helper\Http; use PhpXmlRpc\Helper\Logger; use PhpXmlRpc\Helper\XMLParser; +/** + * This class provides the representation of a request to an XML-RPC server. + * A client sends a PhpXmlrpc\Request to a server, and receives back an PhpXmlrpc\Response. + */ class Request { /// @todo: do these need to be public? public $payload; + /** @internal */ public $methodname; + /** @internal */ public $params = array(); public $debug = 0; public $content_type = 'text/xml'; @@ -21,7 +27,7 @@ class Request /** * @param string $methodName the name of the method to invoke - * @param Value[] $params array of parameters to be passed to the method (Value objects) + * @param Value[] $params array of parameters to be passed to the method (NB: Value objects, not plain php values) */ public function __construct($methodName, $params = array()) { @@ -31,6 +37,11 @@ class Request } } + /** + * @internal this function will become protected in the future + * @param string $charsetEncoding + * @return string + */ public function xml_header($charsetEncoding = '') { if ($charsetEncoding != '') { @@ -40,11 +51,19 @@ class Request } } + /** + * @internal this function will become protected in the future + * @return string + */ public function xml_footer() { return ''; } + /** + * @internal this function will become protected in the future + * @param string $charsetEncoding + */ public function createPayload($charsetEncoding = '') { if ($charsetEncoding != '') { @@ -53,7 +72,8 @@ class Request $this->content_type = 'text/xml'; } $this->payload = $this->xml_header($charsetEncoding); - $this->payload .= '' . Charset::instance()->encodeEntities($this->methodname, PhpXmlRpc::$xmlrpc_internalencoding, $charsetEncoding) . "\n"; + $this->payload .= '' . Charset::instance()->encodeEntities( + $this->methodname, PhpXmlRpc::$xmlrpc_internalencoding, $charsetEncoding) . "\n"; $this->payload .= "\n"; foreach ($this->params as $p) { $this->payload .= "\n" . $p->serialize($charsetEncoding) . @@ -96,13 +116,15 @@ class Request /** * Add a parameter to the list of parameters to be used upon method invocation. * + * Checks that $params is actually a Value object and not a plain php value. + * * @param Value $param * * @return boolean false on failure */ public function addParam($param) { - // add check: do not add to self params which are not xmlrpc values + // check: do not add to self params which are not xmlrpc values if (is_object($param) && is_a($param, 'PhpXmlRpc\Value')) { $this->params[] = $param; @@ -136,36 +158,41 @@ class Request /** * Given an open file handle, read all data available and parse it as an xmlrpc response. + * * NB: the file handle is not closed by this function. - * NNB: might have trouble in rare cases to work on network streams, as we - * check for a read of 0 bytes instead of feof($fp). - * But since checking for feof(null) returns false, we would risk an - * infinite loop in that case, because we cannot trust the caller - * to give us a valid pointer to an open file... + * NNB: might have trouble in rare cases to work on network streams, as we check for a read of 0 bytes instead of + * feof($fp). But since checking for feof(null) returns false, we would risk an infinite loop in that case, + * because we cannot trust the caller to give us a valid pointer to an open file... * * @param resource $fp stream pointer + * @param bool $headersProcessed + * @param string $returnType * * @return Response - * - * @todo add 2nd & 3rd param to be passed to ParseResponse() ??? */ - public function parseResponseFile($fp) + public function parseResponseFile($fp, $headersProcessed = false, $returnType = 'xmlrpcvals') { $ipd = ''; while ($data = fread($fp, 32768)) { $ipd .= $data; } - return $this->parseResponse($ipd); + return $this->parseResponse($ipd, $headersProcessed, $returnType); } /** * Parse the xmlrpc response contained in the string $data and return a Response object. * - * @param string $data the xmlrpc response, eventually including http headers - * @param bool $headersProcessed when true prevents parsing HTTP headers for interpretation of content-encoding and consequent decoding - * @param string $returnType decides return type, i.e. content of response->value(). Either 'xmlrpcvals', 'xml' or 'phpvals' + * When $this->debug has been set to a value greater than 0, will echo debug messages to screen while decoding. + * + * @param string $data the xmlrpc response, possibly including http headers + * @param bool $headersProcessed when true prevents parsing HTTP headers for interpretation of content-encoding and + * consequent decoding + * @param string $returnType decides return type, i.e. content of response->value(). Either 'xmlrpcvals', 'xml' or + * 'phpvals' * * @return Response + * + * @todo parsing Responses is not really the responsibility of the Request class. Maybe of the Client... */ public function parseResponse($data = '', $headersProcessed = false, $returnType = 'xmlrpcvals') { @@ -176,7 +203,7 @@ class Request $this->httpResponse = array('raw_data' => $data, 'headers' => array(), 'cookies' => array()); if ($data == '') { - error_log('XML-RPC: ' . __METHOD__ . ': no response received from server.'); + Logger::instance()->errorLog('XML-RPC: ' . __METHOD__ . ': no response received from server.'); return new Response(0, PhpXmlRpc::$xmlrpcerr['no_data'], PhpXmlRpc::$xmlrpcstr['no_data']); } @@ -198,7 +225,7 @@ class Request // be tolerant of extra whitespace in response body $data = trim($data); - /// @todo return an error msg if $data=='' ? + /// @todo return an error msg if $data == '' ? // be tolerant of junk after methodResponse (e.g. javascript ads automatically inserted by free hosts) // idea from Luca Mariano originally in PEARified version of the lib @@ -221,7 +248,7 @@ class Request } } - // if user wants back raw xml, give it to him + // if user wants back raw xml, give it to her if ($returnType == 'xml') { $r = new Response($data, 0, '', 'xml'); $r->hdrs = $this->httpResponse['headers']; @@ -235,82 +262,59 @@ class Request // Since parsing will fail if charset is not specified in the xml prologue, // the encoding is not UTF8 and there are non-ascii chars in the text, we try to work round that... - // The following code might be better for mb_string enabled installs, but - // makes the lib about 200% slower... + // The following code might be better for mb_string enabled installs, but makes the lib about 200% slower... //if (!is_valid_charset($respEncoding, array('UTF-8'))) if (!in_array($respEncoding, array('UTF-8', 'US-ASCII')) && !XMLParser::hasEncoding($data)) { if ($respEncoding == 'ISO-8859-1') { $data = utf8_encode($data); } else { + if (extension_loaded('mbstring')) { $data = mb_convert_encoding($data, 'UTF-8', $respEncoding); } else { - error_log('XML-RPC: ' . __METHOD__ . ': invalid charset encoding of received response: ' . $respEncoding); + Logger::instance()->errorLog('XML-RPC: ' . __METHOD__ . ': invalid charset encoding of received response: ' . $respEncoding); } } } } - $parser = xml_parser_create(); - xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, true); - // G. Giunta 2005/02/13: PHP internally uses ISO-8859-1, so we have to tell - // the xml parser to give us back data in the expected charset. - // What if internal encoding is not in one of the 3 allowed? - // we use the broadest one, ie. utf8 - // This allows to send data which is native in various charset, - // by extending xmlrpc_encode_entities() and setting xmlrpc_internalencoding + // PHP internally might use ISO-8859-1, so we have to tell the xml parser to give us back data in the expected charset. + // What if internal encoding is not in one of the 3 allowed? We use the broadest one, ie. utf8 + // This allows to send data which is native in various charset, by extending xmlrpc_encode_entities() and + // setting xmlrpc_internalencoding if (!in_array(PhpXmlRpc::$xmlrpc_internalencoding, array('UTF-8', 'ISO-8859-1', 'US-ASCII'))) { - xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, 'UTF-8'); + /// @todo emit a warning + $options = array(XML_OPTION_TARGET_ENCODING => 'UTF-8'); } else { - xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, PhpXmlRpc::$xmlrpc_internalencoding); + $options = array(XML_OPTION_TARGET_ENCODING => PhpXmlRpc::$xmlrpc_internalencoding); } - $xmlRpcParser = new XMLParser(); - xml_set_object($parser, $xmlRpcParser); + $xmlRpcParser = new XMLParser($options); + $xmlRpcParser->parse($data, $returnType, XMLParser::ACCEPT_RESPONSE); - if ($returnType == 'phpvals') { - xml_set_element_handler($parser, 'xmlrpc_se', 'xmlrpc_ee_fast'); - } else { - xml_set_element_handler($parser, 'xmlrpc_se', 'xmlrpc_ee'); - } + // first error check: xml not well formed + if ($xmlRpcParser->_xh['isf'] > 2) { - xml_set_character_data_handler($parser, 'xmlrpc_cd'); - xml_set_default_handler($parser, 'xmlrpc_dh'); + // BC break: in the past for some cases we used the error message: 'XML error at line 1, check URL' + + $r = new Response(0, PhpXmlRpc::$xmlrpcerr['invalid_return'], + PhpXmlRpc::$xmlrpcstr['invalid_return'] . ' ' . $xmlRpcParser->_xh['isf_reason']); - // first error check: xml not well formed - if (!xml_parse($parser, $data, count($data))) { - // thanks to Peter Kocks - if ((xml_get_current_line_number($parser)) == 1) { - $errStr = 'XML error at line 1, check URL'; - } else { - $errStr = sprintf('XML error: %s at line %d, column %d', - xml_error_string(xml_get_error_code($parser)), - xml_get_current_line_number($parser), xml_get_current_column_number($parser)); - } - error_log($errStr); - $r = new Response(0, PhpXmlRpc::$xmlrpcerr['invalid_return'], PhpXmlRpc::$xmlrpcstr['invalid_return'] . ' (' . $errStr . ')'); - xml_parser_free($parser); if ($this->debug) { - print $errStr; + print $xmlRpcParser->_xh['isf_reason']; } - $r->hdrs = $this->httpResponse['headers']; - $r->_cookies = $this->httpResponse['cookies']; - $r->raw_data = $this->httpResponse['raw_data']; - - return $r; } - xml_parser_free($parser); // second error check: xml well formed but not xml-rpc compliant - if ($xmlRpcParser->_xh['isf'] > 1) { + elseif ($xmlRpcParser->_xh['isf'] == 2) { + $r = new Response(0, PhpXmlRpc::$xmlrpcerr['invalid_return'], + PhpXmlRpc::$xmlrpcstr['invalid_return'] . ' ' . $xmlRpcParser->_xh['isf_reason']); + if ($this->debug) { /// @todo echo something for user? } - - $r = new Response(0, PhpXmlRpc::$xmlrpcerr['invalid_return'], - PhpXmlRpc::$xmlrpcstr['invalid_return'] . ' ' . $xmlRpcParser->_xh['isf_reason']); } // third error check: parsing of the response has somehow gone boink. - // NB: shall we omit this check, since we trust the parsing code? + /// @todo shall we omit this check, since we trust the parsing code? elseif ($returnType == 'xmlrpcvals' && !is_object($xmlRpcParser->_xh['value'])) { // something odd has happened // and it's time to generate a client side error @@ -324,14 +328,13 @@ class Request ); } - // note that using =& will raise an error if $xmlRpcParser->_xh['st'] does not generate an object. - $v = &$xmlRpcParser->_xh['value']; + $v = $xmlRpcParser->_xh['value']; if ($xmlRpcParser->_xh['isf']) { /// @todo we should test here if server sent an int and a string, and/or coerce them into such... if ($returnType == 'xmlrpcvals') { - $errNo_v = $v->structmem('faultCode'); - $errStr_v = $v->structmem('faultString'); + $errNo_v = $v['faultCode']; + $errStr_v = $v['faultString']; $errNo = $errNo_v->scalarval(); $errStr = $errStr_v->scalarval(); } else { @@ -357,13 +360,23 @@ class Request return $r; } + /** + * Kept the old name even if Request class was renamed, for compatibility. + * + * @return string + */ + public function kindOf() + { + return 'msg'; + } + /** * Enables/disables the echoing to screen of the xmlrpc responses received. * - * @param integer $in values 0, 1, 2 are supported + * @param integer $level values 0, 1, 2 are supported */ - public function setDebug($in) + public function setDebug($level) { - $this->debug = $in; + $this->debug = $level; } }