5 use PhpXmlRpc\Helper\XMLParser;
6 use PhpXmlRpc\Helper\Charset;
11 * Array defining php functions exposed as xmlrpc methods by this server
13 protected $dmap=array();
15 * Defines how functions in dmap will be invoked: either using an xmlrpc msg object
16 * or plain php values.
17 * valid strings are 'xmlrpcvals', 'phpvals' or 'epivals'
19 var $functions_parameters_type='xmlrpcvals';
21 * Option used for fine-tuning the encoding the php values returned from
22 * functions registered in the dispatch map when the functions_parameters_types
23 * member is set to 'phpvals'
24 * @see php_xmlrpc_encode for a list of values
26 var $phpvals_encoding_options = array( 'auto_dates' );
27 /// controls whether the server is going to echo debugging messages back to the client as comments in response body. valid values: 0,1,2,3
30 * Controls behaviour of server when invoked user function throws an exception:
31 * 0 = catch it and return an 'internal error' xmlrpc response (default)
32 * 1 = catch it and return an xmlrpc response with the error corresponding to the exception
33 * 2 = allow the exception to float to the upper layers
35 var $exception_handling = 0;
37 * When set to true, it will enable HTTP compression of the response, in case
38 * the client has declared its support for compression in the request.
40 var $compress_response = false;
42 * List of http compression methods accepted by the server for requests.
43 * NB: PHP supports deflate, gzip compressions out of the box if compiled w. zlib
45 var $accepted_compression = array();
46 /// shall we serve calls to system.* methods?
47 var $allow_system_funcs = true;
48 /// list of charset encodings natively accepted for requests
49 var $accepted_charset_encodings = array();
51 * charset encoding to be used for response.
52 * NB: if we can, we will convert the generated response from internal_encoding to the intended one.
53 * can be: a supported xml encoding (only UTF-8 and ISO-8859-1 at present, unless mbstring is enabled),
54 * null (leave unspecified in response, convert output stream to US_ASCII),
55 * 'default' (use xmlrpc library default as specified in xmlrpc.inc, convert output stream if needed),
56 * or 'auto' (use client-specified charset encoding or same as request if request headers do not specify it (unless request is US-ASCII: then use library default anyway).
57 * NB: pretty dangerous if you accept every charset and do not have mbstring enabled)
59 var $response_charset_encoding = '';
61 * Storage for internal debug info
63 protected $debug_info = '';
65 * Extra data passed at runtime to method handling functions. Used only by EPI layer
67 var $user_data = null;
69 static protected $_xmlrpc_debuginfo = '';
70 static protected $_xmlrpcs_occurred_errors = '';
71 static $_xmlrpcs_prev_ehandler = '';
74 * @param array $dispmap the dispatch map with definition of exposed services
75 * @param boolean $servicenow set to false to prevent the server from running upon construction
77 function __construct($dispMap=null, $serviceNow=true)
79 // if ZLIB is enabled, let the server by default accept compressed requests,
80 // and compress responses sent to clients that support them
81 if(function_exists('gzinflate'))
83 $this->accepted_compression = array('gzip', 'deflate');
84 $this->compress_response = true;
87 // by default the xml parser can support these 3 charset encodings
88 $this->accepted_charset_encodings = array('UTF-8', 'ISO-8859-1', 'US-ASCII');
90 // dispMap is a dispatch array of methods
91 // mapped to function names and signatures
93 // doesn't appear in the map then an unknown
94 // method error is generated
95 /* milosch - changed to make passing dispMap optional.
96 * instead, you can use the class add_to_map() function
97 * to add functions manually (borrowed from SOAPX4)
101 $this->dmap = $dispMap;
110 * Set debug level of server.
111 * @param integer $in debug lvl: determines info added to xmlrpc responses (as xml comments)
113 * 1 = msgs set from user with debugmsg(),
114 * 2 = add complete xmlrpc request (headers and body),
115 * 3 = add also all processing warnings happened during method processing
116 * (NB: this involves setting a custom error handler, and might interfere
117 * with the standard processing of the php function exposed as method. In
118 * particular, triggering an USER_ERROR level error will not halt script
119 * execution anymore, but just end up logged in the xmlrpc response)
120 * Note that info added at level 2 and 3 will be base64 encoded
122 function setDebug($in)
128 * Add a string to the debug info that can be later serialized by the server
129 * as part of the response message.
130 * Note that for best compatibility, the debug string should be encoded using
131 * the PhpXmlRpc::$xmlrpc_internalencoding character set.
135 public static function xmlrpc_debugmsg($m)
137 static::$_xmlrpc_debuginfo .= $m . "\n";
140 public static function error_occurred($m)
142 static::$_xmlrpcs_occurred_errors .= $m . "\n";
146 * Return a string with the serialized representation of all debug info
147 * @param string $charset_encoding the target charset encoding for the serialization
148 * @return string an XML comment (or two)
150 function serializeDebug($charset_encoding='')
152 // Tough encoding problem: which internal charset should we assume for debug info?
153 // It might contain a copy of raw data received from client, ie with unknown encoding,
154 // intermixed with php generated data and user generated data...
155 // so we split it: system debug is base 64 encoded,
156 // user debug info should be encoded by the end user using the INTERNAL_ENCODING
158 if ($this->debug_info != '')
160 $out .= "<!-- SERVER DEBUG INFO (BASE64 ENCODED):\n".base64_encode($this->debug_info)."\n-->\n";
162 if( static::$_xmlrpc_debuginfo!='')
165 $out .= "<!-- DEBUG INFO:\n" . Charset::instance()->encode_entities(str_replace('--', '_-', static::$_xmlrpc_debuginfo), PhpXmlRpc::$xmlrpc_internalencoding, $charset_encoding) . "\n-->\n";
166 // NB: a better solution MIGHT be to use CDATA, but we need to insert it
167 // into return payload AFTER the beginning tag
168 //$out .= "<![CDATA[ DEBUG INFO:\n\n" . str_replace(']]>', ']_]_>', static::$_xmlrpc_debuginfo) . "\n]]>\n";
174 * Execute the xmlrpc request, printing the response
175 * @param string $data the request body. If null, the http POST request will be examined
176 * @param bool $return_payload When true, return the response but do not echo it or any http header
177 * @return Response the response object (usually not used by caller...)
179 function service($data=null, $return_payload=false)
183 // workaround for a known bug in php ver. 5.2.2 that broke $HTTP_RAW_POST_DATA
184 $data = file_get_contents('php://input');
188 // reset internal debug info
189 $this->debug_info = '';
191 // Echo back what we received, before parsing it
194 $this->debugmsg("+++GOT+++\n" . $data . "\n+++END+++");
197 $r = $this->parseRequestHeaders($data, $req_charset, $resp_charset, $resp_encoding);
200 $r=$this->parseRequest($data, $req_charset);
203 // save full body of request into response, for more debugging usages
204 $r->raw_data = $raw_data;
206 if($this->debug > 2 && static::$_xmlrpcs_occurred_errors)
208 $this->debugmsg("+++PROCESSING ERRORS AND WARNINGS+++\n" .
209 static::$_xmlrpcs_occurred_errors . "+++END+++");
212 $payload=$this->xml_header($resp_charset);
215 $payload = $payload . $this->serializeDebug($resp_charset);
218 // G. Giunta 2006-01-27: do not create response serialization if it has
219 // already happened. Helps building json magic
220 if (empty($r->payload))
222 $r->serialize($resp_charset);
224 $payload = $payload . $r->payload;
231 // if we get a warning/error that has output some text before here, then we cannot
232 // add a new header. We cannot say we are sending xml, either...
235 header('Content-Type: '.$r->content_type);
236 // we do not know if client actually told us an accepted charset, but if he did
237 // we have to tell him what we did
238 header("Vary: Accept-Charset");
240 // http compression of output: only
241 // if we can do it, and we want to do it, and client asked us to,
242 // and php ini settings do not force it already
243 $php_no_self_compress = !ini_get('zlib.output_compression') && (ini_get('output_handler') != 'ob_gzhandler');
244 if($this->compress_response && function_exists('gzencode') && $resp_encoding != ''
245 && $php_no_self_compress)
247 if(strpos($resp_encoding, 'gzip') !== false)
249 $payload = gzencode($payload);
250 header("Content-Encoding: gzip");
251 header("Vary: Accept-Encoding");
253 elseif (strpos($resp_encoding, 'deflate') !== false)
255 $payload = gzcompress($payload);
256 header("Content-Encoding: deflate");
257 header("Vary: Accept-Encoding");
261 // do not output content-length header if php is compressing output for us:
262 // it will mess up measurements
263 if($php_no_self_compress)
265 header('Content-Length: ' . (int)strlen($payload));
270 error_log('XML-RPC: '.__METHOD__.': http headers already sent before response is fully generated. Check for php warning or error messages');
275 // return request, in case subclasses want it
280 * Add a method to the dispatch map
281 * @param string $methodname the name with which the method will be made available
282 * @param string $function the php function that will get invoked
283 * @param array $sig the array of valid method signatures
284 * @param string $doc method documentation
285 * @param array $sigdoc the array of valid method signatures docs (one string per param, one for return type)
287 function add_to_map($methodname,$function,$sig=null,$doc=false,$sigdoc=false)
289 $this->dmap[$methodname] = array(
290 'function' => $function,
295 $this->dmap[$methodname]['signature'] = $sig;
299 $this->dmap[$methodname]['signature_docs'] = $sigdoc;
304 * Verify type and number of parameters received against a list of known signatures
305 * @param array $in array of either xmlrpcval objects or xmlrpc type definitions
306 * @param array $sig array of known signatures to match against
309 protected function verifySignature($in, $sig)
311 // check each possible signature in turn
314 $numParams = $in->getNumParams();
318 $numParams = count($in);
320 foreach($sig as $cursig)
322 if(count($cursig)==$numParams+1)
325 for($n=0; $n<$numParams; $n++)
329 $p=$in->getParam($n);
330 if($p->kindOf() == 'scalar')
341 $pt= $in[$n] == 'i4' ? 'int' : strtolower($in[$n]); // dispatch maps never use i4...
344 // param index is $n+1, as first member of sig is return type
345 if($pt != $cursig[$n+1] && $cursig[$n+1] != Value::$xmlrpcValue)
349 $wanted=$cursig[$n+1];
362 return array(0, "Wanted ${wanted}, got ${got} at param ${pno}");
366 return array(0, "No method signature matches number of parameters");
371 * Parse http headers received along with xmlrpc request. If needed, inflate request
372 * @return mixed null on success or a Response
374 protected function parseRequestHeaders(&$data, &$req_encoding, &$resp_encoding, &$resp_compression)
376 // check if $_SERVER is populated: it might have been disabled via ini file
377 // (this is true even when in CLI mode)
378 if (count($_SERVER) == 0)
380 error_log('XML-RPC: '.__METHOD__.': cannot parse request headers as $_SERVER is not populated');
385 if(function_exists('getallheaders'))
387 $this->debugmsg(''); // empty line
388 foreach(getallheaders() as $name => $val)
390 $this->debugmsg("HEADER: $name: $val");
396 if(isset($_SERVER['HTTP_CONTENT_ENCODING']))
398 $content_encoding = str_replace('x-', '', $_SERVER['HTTP_CONTENT_ENCODING']);
402 $content_encoding = '';
405 // check if request body has been compressed and decompress it
406 if($content_encoding != '' && strlen($data))
408 if($content_encoding == 'deflate' || $content_encoding == 'gzip')
410 // if decoding works, use it. else assume data wasn't gzencoded
411 if(function_exists('gzinflate') && in_array($content_encoding, $this->accepted_compression))
413 if($content_encoding == 'deflate' && $degzdata = @gzuncompress($data))
418 $this->debugmsg("\n+++INFLATED REQUEST+++[".strlen($data)." chars]+++\n" . $data . "\n+++END+++");
421 elseif($content_encoding == 'gzip' && $degzdata = @gzinflate(substr($data, 10)))
425 $this->debugmsg("+++INFLATED REQUEST+++[".strlen($data)." chars]+++\n" . $data . "\n+++END+++");
429 $r = new Response(0, PhpXmlRpc::$xmlrpcerr['server_decompress_fail'], PhpXmlRpc::$xmlrpcstr['server_decompress_fail']);
435 //error_log('The server sent deflated data. Your php install must have the Zlib extension compiled in to support this.');
436 $r = new Response(0, PhpXmlRpc::$xmlrpcerr['server_cannot_decompress'], PhpXmlRpc::$xmlrpcstr['server_cannot_decompress']);
442 // check if client specified accepted charsets, and if we know how to fulfill
444 if ($this->response_charset_encoding == 'auto')
447 if (isset($_SERVER['HTTP_ACCEPT_CHARSET']))
449 // here we should check if we can match the client-requested encoding
450 // with the encodings we know we can generate.
451 /// @todo we should parse q=0.x preferences instead of getting first charset specified...
452 $client_accepted_charsets = explode(',', strtoupper($_SERVER['HTTP_ACCEPT_CHARSET']));
453 // Give preference to internal encoding
454 $known_charsets = array(PhpXmlRpc::$xmlrpc_internalencoding, 'UTF-8', 'ISO-8859-1', 'US-ASCII');
455 foreach ($known_charsets as $charset)
457 foreach ($client_accepted_charsets as $accepted)
458 if (strpos($accepted, $charset) === 0)
460 $resp_encoding = $charset;
470 $resp_encoding = $this->response_charset_encoding;
473 if (isset($_SERVER['HTTP_ACCEPT_ENCODING']))
475 $resp_compression = $_SERVER['HTTP_ACCEPT_ENCODING'];
479 $resp_compression = '';
482 // 'guestimate' request encoding
483 /// @todo check if mbstring is enabled and automagic input conversion is on: it might mingle with this check???
484 $req_encoding = Encoder::guess_encoding(isset($_SERVER['CONTENT_TYPE']) ? $_SERVER['CONTENT_TYPE'] : '',
491 * Parse an xml chunk containing an xmlrpc request and execute the corresponding
492 * php function registered with the server
493 * @param string $data the xml request
494 * @param string $req_encoding (optional) the charset encoding of the xml request
497 public function parseRequest($data, $req_encoding='')
499 // 2005/05/07 commented and moved into caller function code
502 // $data=$GLOBALS['HTTP_RAW_POST_DATA'];
505 // G. Giunta 2005/02/13: we do NOT expect to receive html entities
506 // so we do not try to convert them into xml character entities
507 //$data = xmlrpc_html_entity_xlate($data);
509 // decompose incoming XML into request structure
510 if ($req_encoding != '')
512 if (!in_array($req_encoding, array('UTF-8', 'ISO-8859-1', 'US-ASCII')))
513 // the following code might be better for mb_string enabled installs, but
514 // makes the lib about 200% slower...
515 //if (!is_valid_charset($req_encoding, array('UTF-8', 'ISO-8859-1', 'US-ASCII')))
517 error_log('XML-RPC: '.__METHOD__.': invalid charset encoding of received request: '.$req_encoding);
518 $req_encoding = PhpXmlRpc::$xmlrpc_defencoding;
520 /// @BUG this will fail on PHP 5 if charset is not specified in the xml prologue,
521 // the encoding is not UTF8 and there are non-ascii chars in the text...
522 /// @todo use an empty string for php 5 ???
523 $parser = xml_parser_create($req_encoding);
527 $parser = xml_parser_create();
530 xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, true);
531 // G. Giunta 2005/02/13: PHP internally uses ISO-8859-1, so we have to tell
532 // the xml parser to give us back data in the expected charset
533 // What if internal encoding is not in one of the 3 allowed?
534 // we use the broadest one, ie. utf8
535 // This allows to send data which is native in various charset,
536 // by extending xmlrpc_encode_entities() and setting xmlrpc_internalencoding
537 if (!in_array(PhpXmlRpc::$xmlrpc_internalencoding, array('UTF-8', 'ISO-8859-1', 'US-ASCII')))
539 xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, 'UTF-8');
543 xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, PhpXmlRpc::$xmlrpc_internalencoding);
546 $xmlRpcParser = new XMLParser();
547 xml_set_object($parser, $xmlRpcParser);
549 if ($this->functions_parameters_type != 'xmlrpcvals')
550 xml_set_element_handler($parser, 'xmlrpc_se', 'xmlrpc_ee_fast');
552 xml_set_element_handler($parser, 'xmlrpc_se', 'xmlrpc_ee');
553 xml_set_character_data_handler($parser, 'xmlrpc_cd');
554 xml_set_default_handler($parser, 'xmlrpc_dh');
555 if(!xml_parse($parser, $data, 1))
557 // return XML error as a faultCode
559 PhpXmlRpc::$xmlrpcerrxml+xml_get_error_code($parser),
560 sprintf('XML error: %s at line %d, column %d',
561 xml_error_string(xml_get_error_code($parser)),
562 xml_get_current_line_number($parser), xml_get_current_column_number($parser)));
563 xml_parser_free($parser);
565 elseif ($xmlRpcParser->_xh['isf'])
567 xml_parser_free($parser);
569 PhpXmlRpc::$xmlrpcerr['invalid_request'],
570 PhpXmlRpc::$xmlrpcstr['invalid_request'] . ' ' . $xmlRpcParser->_xh['isf_reason']);
574 xml_parser_free($parser);
575 // small layering violation in favor of speed and memory usage:
576 // we should allow the 'execute' method handle this, but in the
577 // most common scenario (xmlrpcvals type server with some methods
578 // registered as phpvals) that would mean a useless encode+decode pass
579 if ($this->functions_parameters_type != 'xmlrpcvals' || (isset($this->dmap[$xmlRpcParser->_xh['method']]['parameters_type']) && ($this->dmap[$xmlRpcParser->_xh['method']]['parameters_type'] == 'phpvals')))
583 $this->debugmsg("\n+++PARSED+++\n".var_export($xmlRpcParser->_xh['params'], true)."\n+++END+++");
585 $r = $this->execute($xmlRpcParser->_xh['method'], $xmlRpcParser->_xh['params'], $xmlRpcParser->_xh['pt']);
589 // build a Request object with data parsed from xml
590 $m=new Request($xmlRpcParser->_xh['method']);
591 // now add parameters in
592 for($i=0; $i<count($xmlRpcParser->_xh['params']); $i++)
594 $m->addParam($xmlRpcParser->_xh['params'][$i]);
599 $this->debugmsg("\n+++PARSED+++\n".var_export($m, true)."\n+++END+++");
601 $r = $this->execute($m);
608 * Execute a method invoked by the client, checking parameters used
609 * @param mixed $m either a Request obj or a method name
610 * @param array $params array with method parameters as php types (if m is method name only)
611 * @param array $paramtypes array with xmlrpc types of method parameters (if m is method name only)
614 protected function execute($m, $params=null, $paramtypes=null)
618 $methName = $m->method();
624 $sysCall = $this->allow_system_funcs && (strpos($methName, "system.") === 0);
625 $dmap = $sysCall ? $this->getSystemDispatchMap() : $this->dmap;
627 if(!isset($dmap[$methName]['function']))
630 return new Response(0,
631 PhpXmlRpc::$xmlrpcerr['unknown_method'],
632 PhpXmlRpc::$xmlrpcstr['unknown_method']);
636 if(isset($dmap[$methName]['signature']))
638 $sig = $dmap[$methName]['signature'];
641 list($ok, $errstr) = $this->verifySignature($m, $sig);
645 list($ok, $errstr) = $this->verifySignature($paramtypes, $sig);
652 PhpXmlRpc::$xmlrpcerr['incorrect_params'],
653 PhpXmlRpc::$xmlrpcstr['incorrect_params'] . ": ${errstr}"
658 $func = $dmap[$methName]['function'];
659 // let the 'class::function' syntax be accepted in dispatch maps
660 if(is_string($func) && strpos($func, '::'))
662 $func = explode('::', $func);
664 // verify that function to be invoked is in fact callable
665 if(!is_callable($func))
667 error_log("XML-RPC: ".__METHOD__.": function $func registered as method handler is not callable");
670 PhpXmlRpc::$xmlrpcerr['server_error'],
671 PhpXmlRpc::$xmlrpcstr['server_error'] . ": no function matches method"
675 // If debug level is 3, we should catch all errors generated during
676 // processing of user function, and log them as part of response
679 $GLOBALS['_xmlrpcs_prev_ehandler'] = set_error_handler(array('\PhpXmlRpc\Server', '_xmlrpcs_errorHandler'));
683 // Allow mixed-convention servers
688 $r = call_user_func($func, $this, $m);
692 $r = call_user_func($func, $m);
694 if (!is_a($r, 'PhpXmlRpc\Response'))
696 error_log("XML-RPC: ".__METHOD__.": function $func registered as method handler does not return an xmlrpc response object");
697 if (is_a($r, 'PhpXmlRpc\Value'))
699 $r = new Response($r);
705 PhpXmlRpc::$xmlrpcerr['server_error'],
706 PhpXmlRpc::$xmlrpcstr['server_error'] . ": function does not return xmlrpc response object"
713 // call a 'plain php' function
716 array_unshift($params, $this);
717 $r = call_user_func_array($func, $params);
721 // 3rd API convention for method-handling functions: EPI-style
722 if ($this->functions_parameters_type == 'epivals')
724 $r = call_user_func_array($func, array($methName, $params, $this->user_data));
725 // mimic EPI behaviour: if we get an array that looks like an error, make it
727 if (is_array($r) && array_key_exists('faultCode', $r) && array_key_exists('faultString', $r))
729 $r = new Response(0, (integer)$r['faultCode'], (string)$r['faultString']);
733 // functions using EPI api should NOT return resp objects,
734 // so make sure we encode the return type correctly
735 $r = new Response(php_xmlrpc_encode($r, array('extension_api')));
740 $r = call_user_func_array($func, $params);
743 // the return type can be either a Response object or a plain php value...
744 if (!is_a($r, '\PhpXmlRpc\Response'))
746 // what should we assume here about automatic encoding of datetimes
747 // and php classes instances???
748 $r = new Response(php_xmlrpc_encode($r, $this->phpvals_encoding_options));
754 // (barring errors in the lib) an uncatched exception happened
755 // in the called function, we wrap it in a proper error-response
756 switch($this->exception_handling)
762 $r = new Response(0, $e->getCode(), $e->getMessage());
765 $r = new Response(0, PhpXmlRpc::$xmlrpcerr['server_error'], PhpXmlRpc::$xmlrpcstr['server_error']);
770 // note: restore the error handler we found before calling the
771 // user func, even if it has been changed inside the func itself
772 if($GLOBALS['_xmlrpcs_prev_ehandler'])
774 set_error_handler($GLOBALS['_xmlrpcs_prev_ehandler']);
778 restore_error_handler();
785 * add a string to the 'internal debug message' (separate from 'user debug message')
786 * @param string $string
788 protected function debugmsg($string)
790 $this->debug_info .= $string."\n";
793 protected function xml_header($charset_encoding='')
795 if ($charset_encoding != '')
797 return "<?xml version=\"1.0\" encoding=\"$charset_encoding\"?" . ">\n";
801 return "<?xml version=\"1.0\"?" . ">\n";
806 * A debugging routine: just echoes back the input packet as a string value
811 $r=new Response(new Value( "'Aha said I: '" . $GLOBALS['HTTP_RAW_POST_DATA'], 'string'));
812 print $r->serialize();
815 /* Functions that implement system.XXX methods of xmlrpc servers */
817 public function getSystemDispatchMap()
820 'system.listMethods' => array(
821 'function' => 'PhpXmlRpc\Server::_xmlrpcs_listMethods',
822 // listMethods: signature was either a string, or nothing.
823 // The useless string variant has been removed
824 'signature' => array(array(Value::$xmlrpcArray)),
825 'docstring' => 'This method lists all the methods that the XML-RPC server knows how to dispatch',
826 'signature_docs' => array(array('list of method names')),
828 'system.methodHelp' => array(
829 'function' => 'PhpXmlRpc\Server::_xmlrpcs_methodHelp',
830 'signature' => array(array(Value::$xmlrpcString, Value::$xmlrpcString)),
831 'docstring' => 'Returns help text if defined for the method passed, otherwise returns an empty string',
832 'signature_docs' => array(array('method description', 'name of the method to be described')),
834 'system.methodSignature' => array(
835 'function' => 'PhpXmlRpc\Server::_xmlrpcs_methodSignature',
836 'signature' => array(array(Value::$xmlrpcArray, Value::$xmlrpcString)),
837 'docstring' => 'Returns an array of known signatures (an array of arrays) for the method name passed. If no signatures are known, returns a none-array (test for type != array to detect missing signature)',
838 'signature_docs' => array(array('list of known signatures, each sig being an array of xmlrpc type names', 'name of method to be described')),
840 'system.multicall' => array(
841 'function' => 'PhpXmlRpc\Server::_xmlrpcs_multicall',
842 'signature' => array(array(Value::$xmlrpcArray, Value::$xmlrpcArray)),
843 'docstring' => 'Boxcar multiple RPC calls in one request. See http://www.xmlrpc.com/discuss/msgReader$1208 for details',
844 'signature_docs' => array(array('list of response structs, where each struct has the usual members', 'list of calls, with each call being represented as a struct, with members "methodname" and "params"')),
846 'system.getCapabilities' => array(
847 'function' => 'PhpXmlRpc\Server::_xmlrpcs_getCapabilities',
848 'signature' => array(array(Value::$xmlrpcStruct)),
849 'docstring' => 'This method lists all the capabilites that the XML-RPC server has: the (more or less standard) extensions to the xmlrpc spec that it adheres to',
850 'signature_docs' => array(array('list of capabilities, described as structs with a version number and url for the spec'))
855 public static function _xmlrpcs_getCapabilities($server, $m=null)
858 // xmlrpc spec: always supported
859 'xmlrpc' => new Value(array(
860 'specUrl' => new Value('http://www.xmlrpc.com/spec', 'string'),
861 'specVersion' => new Value(1, 'int')
863 // if we support system.xxx functions, we always support multicall, too...
864 // Note that, as of 2006/09/17, the following URL does not respond anymore
865 'system.multicall' => new Value(array(
866 'specUrl' => new Value('http://www.xmlrpc.com/discuss/msgReader$1208', 'string'),
867 'specVersion' => new Value(1, 'int')
869 // introspection: version 2! we support 'mixed', too
870 'introspection' => new Value(array(
871 'specUrl' => new Value('http://phpxmlrpc.sourceforge.net/doc-2/ch10.html', 'string'),
872 'specVersion' => new Value(2, 'int')
877 if (PhpXmlRpc::$xmlrpc_null_extension) {
878 $outAr['nil'] = new Value(array(
879 'specUrl' => new Value('http://www.ontosys.com/xml-rpc/extensions.php', 'string'),
880 'specVersion' => new Value(1, 'int')
883 return new Response(new Value($outAr, 'struct'));
886 public static function _xmlrpcs_listMethods($server, $m=null) // if called in plain php values mode, second param is missing
890 foreach($server->dmap as $key => $val)
892 $outAr[]=new Value($key, 'string');
894 if($server->allow_system_funcs)
896 foreach($server->getSystemDispatchMap() as $key => $val)
898 $outAr[]=new Value($key, 'string');
901 return new Response(new Value($outAr, 'array'));
904 public static function _xmlrpcs_methodSignature($server, $m)
906 // let accept as parameter both an xmlrpcval or string
909 $methName=$m->getParam(0);
910 $methName=$methName->scalarval();
916 if(strpos($methName, "system.") === 0)
918 $dmap=$server->getSystemDispatchMap();
924 if(isset($dmap[$methName]))
926 if(isset($dmap[$methName]['signature']))
929 foreach($dmap[$methName]['signature'] as $inSig)
932 foreach($inSig as $sig)
934 $cursig[]=new Value($sig, 'string');
936 $sigs[]=new Value($cursig, 'array');
938 $r=new Response(new Value($sigs, 'array'));
942 // NB: according to the official docs, we should be returning a
943 // "none-array" here, which means not-an-array
944 $r=new Response(new Value('undef', 'string'));
949 $r=new Response(0,PhpXmlRpc::$xmlrpcerr['introspect_unknown'], PhpXmlRpc::$xmlrpcstr['introspect_unknown']);
954 public static function _xmlrpcs_methodHelp($server, $m)
956 // let accept as parameter both an xmlrpcval or string
959 $methName=$m->getParam(0);
960 $methName=$methName->scalarval();
966 if(strpos($methName, "system.") === 0)
968 $dmap=$server->getSystemDispatchMap();
974 if(isset($dmap[$methName]))
976 if(isset($dmap[$methName]['docstring']))
978 $r=new Response(new Value($dmap[$methName]['docstring']), 'string');
982 $r=new Response(new Value('', 'string'));
987 $r=new Response(0, PhpXmlRpc::$xmlrpcerr['introspect_unknown'], PhpXmlRpc::$xmlrpcstr['introspect_unknown']);
992 public static function _xmlrpcs_multicall_error($err)
996 $str = PhpXmlRpc::$xmlrpcstr["multicall_${err}"];
997 $code = PhpXmlRpc::$xmlrpcerr["multicall_${err}"];
1001 $code = $err->faultCode();
1002 $str = $err->faultString();
1005 $struct['faultCode'] = new Value($code, 'int');
1006 $struct['faultString'] = new Value($str, 'string');
1007 return new Value($struct, 'struct');
1010 public static function _xmlrpcs_multicall_do_call($server, $call)
1012 if($call->kindOf() != 'struct')
1014 return static::_xmlrpcs_multicall_error('notstruct');
1016 $methName = @$call->structmem('methodName');
1019 return static::_xmlrpcs_multicall_error('nomethod');
1021 if($methName->kindOf() != 'scalar' || $methName->scalartyp() != 'string')
1023 return static::_xmlrpcs_multicall_error('notstring');
1025 if($methName->scalarval() == 'system.multicall')
1027 return static::_xmlrpcs_multicall_error('recursion');
1030 $params = @$call->structmem('params');
1033 return static::_xmlrpcs_multicall_error('noparams');
1035 if($params->kindOf() != 'array')
1037 return static::_xmlrpcs_multicall_error('notarray');
1039 $numParams = $params->arraysize();
1041 $msg = new Request($methName->scalarval());
1042 for($i = 0; $i < $numParams; $i++)
1044 if(!$msg->addParam($params->arraymem($i)))
1047 return static::_xmlrpcs_multicall_error(new Response(0,
1048 PhpXmlRpc::$xmlrpcerr['incorrect_params'],
1049 PhpXmlRpc::$xmlrpcstr['incorrect_params'] . ": probable xml error in param " . $i));
1053 $result = $server->execute($msg);
1055 if($result->faultCode() != 0)
1057 return static::_xmlrpcs_multicall_error($result); // Method returned fault.
1060 return new Value(array($result->value()), 'array');
1063 public static function _xmlrpcs_multicall_do_call_phpvals($server, $call)
1065 if(!is_array($call))
1067 return static::_xmlrpcs_multicall_error('notstruct');
1069 if(!array_key_exists('methodName', $call))
1071 return static::_xmlrpcs_multicall_error('nomethod');
1073 if (!is_string($call['methodName']))
1075 return static::_xmlrpcs_multicall_error('notstring');
1077 if($call['methodName'] == 'system.multicall')
1079 return static::_xmlrpcs_multicall_error('recursion');
1081 if(!array_key_exists('params', $call))
1083 return static::_xmlrpcs_multicall_error('noparams');
1085 if(!is_array($call['params']))
1087 return static::_xmlrpcs_multicall_error('notarray');
1090 // this is a real dirty and simplistic hack, since we might have received a
1091 // base64 or datetime values, but they will be listed as strings here...
1092 $numParams = count($call['params']);
1094 foreach($call['params'] as $val)
1095 $pt[] = php_2_xmlrpc_type(gettype($val));
1097 $result = $server->execute($call['methodName'], $call['params'], $pt);
1099 if($result->faultCode() != 0)
1101 return static::_xmlrpcs_multicall_error($result); // Method returned fault.
1104 return new Value(array($result->value()), 'array');
1107 public static function _xmlrpcs_multicall($server, $m)
1110 // let accept a plain list of php parameters, beside a single xmlrpc msg object
1113 $calls = $m->getParam(0);
1114 $numCalls = $calls->arraysize();
1115 for($i = 0; $i < $numCalls; $i++)
1117 $call = $calls->arraymem($i);
1118 $result[$i] = static::_xmlrpcs_multicall_do_call($server, $call);
1123 $numCalls=count($m);
1124 for($i = 0; $i < $numCalls; $i++)
1126 $result[$i] = static::_xmlrpcs_multicall_do_call_phpvals($server, $m[$i]);
1130 return new Response(new Value($result, 'array'));
1134 * Error handler used to track errors that occur during server-side execution of PHP code.
1135 * This allows to report back to the client whether an internal error has occurred or not
1136 * using an xmlrpc response object, instead of letting the client deal with the html junk
1137 * that a PHP execution error on the server generally entails.
1139 * NB: in fact a user defined error handler can only handle WARNING, NOTICE and USER_* errors.
1142 public static function _xmlrpcs_errorHandler($errcode, $errstring, $filename=null, $lineno=null, $context=null)
1144 // obey the @ protocol
1145 if (error_reporting() == 0)
1148 //if($errcode != E_NOTICE && $errcode != E_WARNING && $errcode != E_USER_NOTICE && $errcode != E_USER_WARNING)
1149 if($errcode != E_STRICT)
1151 \PhpXmlRpc\Server::error_occurred($errstring);
1153 // Try to avoid as much as possible disruption to the previous error handling
1154 // mechanism in place
1155 if($GLOBALS['_xmlrpcs_prev_ehandler'] == '')
1157 // The previous error handler was the default: all we should do is log error
1158 // to the default error log (if level high enough)
1159 if(ini_get('log_errors') && (intval(ini_get('error_reporting')) & $errcode))
1161 error_log($errstring);
1166 // Pass control on to previous error handler, trying to avoid loops...
1167 if($GLOBALS['_xmlrpcs_prev_ehandler'] != array('\PhpXmlRpc\Server', '_xmlrpcs_errorHandler'))
1169 if(is_array($GLOBALS['_xmlrpcs_prev_ehandler']))
1171 // the following works both with static class methods and plain object methods as error handler
1172 call_user_func_array($GLOBALS['_xmlrpcs_prev_ehandler'], array($errcode, $errstring, $filename, $lineno, $context));
1176 $GLOBALS['_xmlrpcs_prev_ehandler']($errcode, $errstring, $filename, $lineno, $context);