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();
16 * Defines how functions in dmap will be invoked: either using an xmlrpc request object
17 * or plain php values.
18 * Valid strings are 'xmlrpcvals', 'phpvals' or 'epivals'
20 public $functions_parameters_type = 'xmlrpcvals';
23 * Option used for fine-tuning the encoding the php values returned from
24 * functions registered in the dispatch map when the functions_parameters_types
25 * member is set to 'phpvals'
26 * @see Encoder::encode for a list of values
28 public $phpvals_encoding_options = array('auto_dates');
31 * Controls whether the server is going to echo debugging messages back to the client as comments in response body.
32 * Valid values: 0,1,2,3
37 * Controls behaviour of server when the invoked user function throws an exception:
38 * 0 = catch it and return an 'internal error' xmlrpc response (default)
39 * 1 = catch it and return an xmlrpc response with the error corresponding to the exception
40 * 2 = allow the exception to float to the upper layers
42 public $exception_handling = 0;
45 * When set to true, it will enable HTTP compression of the response, in case
46 * the client has declared its support for compression in the request.
47 * Set at constructor time.
49 public $compress_response = false;
52 * List of http compression methods accepted by the server for requests. Set at constructor time.
53 * NB: PHP supports deflate, gzip compressions out of the box if compiled w. zlib
55 public $accepted_compression = array();
57 /// Shall we serve calls to system.* methods?
58 public $allow_system_funcs = true;
61 * List of charset encodings natively accepted for requests.
62 * Set at constructor time.
65 public $accepted_charset_encodings = array();
68 * Charset encoding to be used for response.
69 * NB: if we can, we will convert the generated response from internal_encoding to the intended one.
70 * Can be: a supported xml encoding (only UTF-8 and ISO-8859-1 at present, unless mbstring is enabled),
71 * null (leave unspecified in response, convert output stream to US_ASCII),
72 * 'default' (use xmlrpc library default as specified in xmlrpc.inc, convert output stream if needed),
73 * 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).
74 * NB: pretty dangerous if you accept every charset and do not have mbstring enabled)
76 public $response_charset_encoding = '';
79 * Storage for internal debug info.
81 protected $debug_info = '';
84 * Extra data passed at runtime to method handling functions. Used only by EPI layer
86 public $user_data = null;
88 protected static $_xmlrpc_debuginfo = '';
89 protected static $_xmlrpcs_occurred_errors = '';
90 protected static $_xmlrpcs_prev_ehandler = '';
93 * @param array $dispatchMap the dispatch map with definition of exposed services
94 * @param boolean $serviceNow set to false to prevent the server from running upon construction
96 public function __construct($dispatchMap = null, $serviceNow = true)
98 // if ZLIB is enabled, let the server by default accept compressed requests,
99 // and compress responses sent to clients that support them
100 if (function_exists('gzinflate')) {
101 $this->accepted_compression = array('gzip', 'deflate');
102 $this->compress_response = true;
105 // by default the xml parser can support these 3 charset encodings
106 $this->accepted_charset_encodings = array('UTF-8', 'ISO-8859-1', 'US-ASCII');
108 // dispMap is a dispatch array of methods mapped to function names and signatures.
109 // If a method doesn't appear in the map then an unknown method error is generated
110 /* milosch - changed to make passing dispMap optional.
111 * instead, you can use the class add_to_map() function
112 * to add functions manually (borrowed from SOAPX4)
115 $this->dmap = $dispatchMap;
123 * Set debug level of server.
125 * @param integer $level debug lvl: determines info added to xmlrpc responses (as xml comments)
127 * 1 = msgs set from user with debugmsg(),
128 * 2 = add complete xmlrpc request (headers and body),
129 * 3 = add also all processing warnings happened during method processing
130 * (NB: this involves setting a custom error handler, and might interfere
131 * with the standard processing of the php function exposed as method. In
132 * particular, triggering an USER_ERROR level error will not halt script
133 * execution anymore, but just end up logged in the xmlrpc response)
134 * Note that info added at level 2 and 3 will be base64 encoded
136 public function setDebug($level)
138 $this->debug = $level;
142 * Add a string to the debug info that can be later serialized by the server
143 * as part of the response message.
144 * Note that for best compatibility, the debug string should be encoded using
145 * the PhpXmlRpc::$xmlrpc_internalencoding character set.
150 public static function xmlrpc_debugmsg($msg)
152 static::$_xmlrpc_debuginfo .= $msg . "\n";
155 public static function error_occurred($msg)
157 static::$_xmlrpcs_occurred_errors .= $msg . "\n";
161 * Return a string with the serialized representation of all debug info.
163 * @param string $charsetEncoding the target charset encoding for the serialization
165 * @return string an XML comment (or two)
167 public function serializeDebug($charsetEncoding = '')
169 // Tough encoding problem: which internal charset should we assume for debug info?
170 // It might contain a copy of raw data received from client, ie with unknown encoding,
171 // intermixed with php generated data and user generated data...
172 // so we split it: system debug is base 64 encoded,
173 // user debug info should be encoded by the end user using the INTERNAL_ENCODING
175 if ($this->debug_info != '') {
176 $out .= "<!-- SERVER DEBUG INFO (BASE64 ENCODED):\n" . base64_encode($this->debug_info) . "\n-->\n";
178 if (static::$_xmlrpc_debuginfo != '') {
179 $out .= "<!-- DEBUG INFO:\n" . Charset::instance()->encodeEntities(str_replace('--', '_-', static::$_xmlrpc_debuginfo), PhpXmlRpc::$xmlrpc_internalencoding, $charsetEncoding) . "\n-->\n";
180 // NB: a better solution MIGHT be to use CDATA, but we need to insert it
181 // into return payload AFTER the beginning tag
182 //$out .= "<![CDATA[ DEBUG INFO:\n\n" . str_replace(']]>', ']_]_>', static::$_xmlrpc_debuginfo) . "\n]]>\n";
189 * Execute the xmlrpc request, printing the response.
191 * @param string $data the request body. If null, the http POST request will be examined
192 * @param bool $returnPayload When true, return the response but do not echo it or any http header
194 * @return Response|string the response object (usually not used by caller...) or its xml serialization
196 * @throws \Exception in case the executed method does throw an exception (and depending on server configuration)
198 public function service($data = null, $returnPayload = false)
200 if ($data === null) {
201 $data = file_get_contents('php://input');
205 // reset internal debug info
206 $this->debug_info = '';
208 // Save what we received, before parsing it
209 if ($this->debug > 1) {
210 $this->debugmsg("+++GOT+++\n" . $data . "\n+++END+++");
213 $r = $this->parseRequestHeaders($data, $reqCharset, $respCharset, $respEncoding);
215 // this actually executes the request
216 $r = $this->parseRequest($data, $reqCharset);
219 // save full body of request into response, for more debugging usages
220 $r->raw_data = $rawData;
222 if ($this->debug > 2 && static::$_xmlrpcs_occurred_errors) {
223 $this->debugmsg("+++PROCESSING ERRORS AND WARNINGS+++\n" .
224 static::$_xmlrpcs_occurred_errors . "+++END+++");
227 $payload = $this->xml_header($respCharset);
228 if ($this->debug > 0) {
229 $payload = $payload . $this->serializeDebug($respCharset);
232 // G. Giunta 2006-01-27: do not create response serialization if it has
233 // already happened. Helps building json magic
234 if (empty($r->payload)) {
235 $r->serialize($respCharset);
237 $payload = $payload . $r->payload;
239 if ($returnPayload) {
243 // if we get a warning/error that has output some text before here, then we cannot
244 // add a new header. We cannot say we are sending xml, either...
245 if (!headers_sent()) {
246 header('Content-Type: ' . $r->content_type);
247 // we do not know if client actually told us an accepted charset, but if he did
248 // we have to tell him what we did
249 header("Vary: Accept-Charset");
251 // http compression of output: only
252 // if we can do it, and we want to do it, and client asked us to,
253 // and php ini settings do not force it already
254 $phpNoSelfCompress = !ini_get('zlib.output_compression') && (ini_get('output_handler') != 'ob_gzhandler');
255 if ($this->compress_response && function_exists('gzencode') && $respEncoding != ''
256 && $phpNoSelfCompress
258 if (strpos($respEncoding, 'gzip') !== false) {
259 $payload = gzencode($payload);
260 header("Content-Encoding: gzip");
261 header("Vary: Accept-Encoding");
262 } elseif (strpos($respEncoding, 'deflate') !== false) {
263 $payload = gzcompress($payload);
264 header("Content-Encoding: deflate");
265 header("Vary: Accept-Encoding");
269 // do not output content-length header if php is compressing output for us:
270 // it will mess up measurements
271 if ($phpNoSelfCompress) {
272 header('Content-Length: ' . (int)strlen($payload));
275 error_log('XML-RPC: ' . __METHOD__ . ': http headers already sent before response is fully generated. Check for php warning or error messages');
280 // return request, in case subclasses want it
285 * Add a method to the dispatch map.
287 * @param string $methodName the name with which the method will be made available
288 * @param string $function the php function that will get invoked
289 * @param array $sig the array of valid method signatures
290 * @param string $doc method documentation
291 * @param array $sigDoc the array of valid method signatures docs (one string per param, one for return type)
293 public function add_to_map($methodName, $function, $sig = null, $doc = false, $sigDoc = false)
295 $this->dmap[$methodName] = array(
296 'function' => $function,
300 $this->dmap[$methodName]['signature'] = $sig;
303 $this->dmap[$methodName]['signature_docs'] = $sigDoc;
308 * Verify type and number of parameters received against a list of known signatures.
310 * @param array|Request $in array of either xmlrpc value objects or xmlrpc type definitions
311 * @param array $sigs array of known signatures to match against
315 protected function verifySignature($in, $sigs)
317 // check each possible signature in turn
318 if (is_object($in)) {
319 $numParams = $in->getNumParams();
321 $numParams = count($in);
323 foreach ($sigs as $curSig) {
324 if (count($curSig) == $numParams + 1) {
326 for ($n = 0; $n < $numParams; $n++) {
327 if (is_object($in)) {
328 $p = $in->getParam($n);
329 if ($p->kindOf() == 'scalar') {
330 $pt = $p->scalartyp();
335 $pt = $in[$n] == 'i4' ? 'int' : strtolower($in[$n]); // dispatch maps never use i4...
338 // param index is $n+1, as first member of sig is return type
339 if ($pt != $curSig[$n + 1] && $curSig[$n + 1] != Value::$xmlrpcValue) {
342 $wanted = $curSig[$n + 1];
352 if (isset($wanted)) {
353 return array(0, "Wanted ${wanted}, got ${got} at param ${pno}");
355 return array(0, "No method signature matches number of parameters");
360 * Parse http headers received along with xmlrpc request. If needed, inflate request.
362 * @return mixed Response|null on success or an error Response
364 protected function parseRequestHeaders(&$data, &$reqEncoding, &$respEncoding, &$respCompression)
366 // check if $_SERVER is populated: it might have been disabled via ini file
367 // (this is true even when in CLI mode)
368 if (count($_SERVER) == 0) {
369 error_log('XML-RPC: ' . __METHOD__ . ': cannot parse request headers as $_SERVER is not populated');
372 if ($this->debug > 1) {
373 if (function_exists('getallheaders')) {
374 $this->debugmsg(''); // empty line
375 foreach (getallheaders() as $name => $val) {
376 $this->debugmsg("HEADER: $name: $val");
381 if (isset($_SERVER['HTTP_CONTENT_ENCODING'])) {
382 $contentEncoding = str_replace('x-', '', $_SERVER['HTTP_CONTENT_ENCODING']);
384 $contentEncoding = '';
387 // check if request body has been compressed and decompress it
388 if ($contentEncoding != '' && strlen($data)) {
389 if ($contentEncoding == 'deflate' || $contentEncoding == 'gzip') {
390 // if decoding works, use it. else assume data wasn't gzencoded
391 if (function_exists('gzinflate') && in_array($contentEncoding, $this->accepted_compression)) {
392 if ($contentEncoding == 'deflate' && $degzdata = @gzuncompress($data)) {
394 if ($this->debug > 1) {
395 $this->debugmsg("\n+++INFLATED REQUEST+++[" . strlen($data) . " chars]+++\n" . $data . "\n+++END+++");
397 } elseif ($contentEncoding == 'gzip' && $degzdata = @gzinflate(substr($data, 10))) {
399 if ($this->debug > 1) {
400 $this->debugmsg("+++INFLATED REQUEST+++[" . strlen($data) . " chars]+++\n" . $data . "\n+++END+++");
403 $r = new Response(0, PhpXmlRpc::$xmlrpcerr['server_decompress_fail'], PhpXmlRpc::$xmlrpcstr['server_decompress_fail']);
408 $r = new Response(0, PhpXmlRpc::$xmlrpcerr['server_cannot_decompress'], PhpXmlRpc::$xmlrpcstr['server_cannot_decompress']);
415 // check if client specified accepted charsets, and if we know how to fulfill
417 if ($this->response_charset_encoding == 'auto') {
419 if (isset($_SERVER['HTTP_ACCEPT_CHARSET'])) {
420 // here we should check if we can match the client-requested encoding
421 // with the encodings we know we can generate.
422 /// @todo we should parse q=0.x preferences instead of getting first charset specified...
423 $clientAcceptedCharsets = explode(',', strtoupper($_SERVER['HTTP_ACCEPT_CHARSET']));
424 // Give preference to internal encoding
425 $knownCharsets = array(PhpXmlRpc::$xmlrpc_internalencoding, 'UTF-8', 'ISO-8859-1', 'US-ASCII');
426 foreach ($knownCharsets as $charset) {
427 foreach ($clientAcceptedCharsets as $accepted) {
428 if (strpos($accepted, $charset) === 0) {
429 $respEncoding = $charset;
439 $respEncoding = $this->response_charset_encoding;
442 if (isset($_SERVER['HTTP_ACCEPT_ENCODING'])) {
443 $respCompression = $_SERVER['HTTP_ACCEPT_ENCODING'];
445 $respCompression = '';
448 // 'guestimate' request encoding
449 /// @todo check if mbstring is enabled and automagic input conversion is on: it might mingle with this check???
450 $reqEncoding = XMLParser::guessEncoding(isset($_SERVER['CONTENT_TYPE']) ? $_SERVER['CONTENT_TYPE'] : '',
457 * Parse an xml chunk containing an xmlrpc request and execute the corresponding
458 * php function registered with the server.
460 * @param string $data the xml request
461 * @param string $reqEncoding (optional) the charset encoding of the xml request
465 * @throws \Exception in case the executed method does throw an exception (and depending on server configuration)
467 public function parseRequest($data, $reqEncoding = '')
469 // decompose incoming XML into request structure
471 if ($reqEncoding != '') {
472 // Since parsing will fail if charset is not specified in the xml prologue,
473 // the encoding is not UTF8 and there are non-ascii chars in the text, we try to work round that...
474 // The following code might be better for mb_string enabled installs, but
475 // makes the lib about 200% slower...
476 //if (!is_valid_charset($reqEncoding, array('UTF-8')))
477 if (!in_array($reqEncoding, array('UTF-8', 'US-ASCII')) && !XMLParser::hasEncoding($data)) {
478 if ($reqEncoding == 'ISO-8859-1') {
479 $data = utf8_encode($data);
481 if (extension_loaded('mbstring')) {
482 $data = mb_convert_encoding($data, 'UTF-8', $reqEncoding);
484 error_log('XML-RPC: ' . __METHOD__ . ': invalid charset encoding of received request: ' . $reqEncoding);
490 $parser = xml_parser_create();
491 xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, true);
492 // G. Giunta 2005/02/13: PHP internally uses ISO-8859-1, so we have to tell
493 // the xml parser to give us back data in the expected charset
494 // What if internal encoding is not in one of the 3 allowed?
495 // we use the broadest one, ie. utf8
496 // This allows to send data which is native in various charset,
497 // by extending xmlrpc_encode_entities() and setting xmlrpc_internalencoding
498 if (!in_array(PhpXmlRpc::$xmlrpc_internalencoding, array('UTF-8', 'ISO-8859-1', 'US-ASCII'))) {
499 xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, 'UTF-8');
501 xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, PhpXmlRpc::$xmlrpc_internalencoding);
504 $xmlRpcParser = new XMLParser();
505 xml_set_object($parser, $xmlRpcParser);
507 if ($this->functions_parameters_type != 'xmlrpcvals') {
508 xml_set_element_handler($parser, 'xmlrpc_se', 'xmlrpc_ee_fast');
510 xml_set_element_handler($parser, 'xmlrpc_se', 'xmlrpc_ee');
512 xml_set_character_data_handler($parser, 'xmlrpc_cd');
513 xml_set_default_handler($parser, 'xmlrpc_dh');
514 if (!xml_parse($parser, $data, 1)) {
515 // return XML error as a faultCode
517 PhpXmlRpc::$xmlrpcerrxml + xml_get_error_code($parser),
518 sprintf('XML error: %s at line %d, column %d',
519 xml_error_string(xml_get_error_code($parser)),
520 xml_get_current_line_number($parser), xml_get_current_column_number($parser)));
521 xml_parser_free($parser);
522 } elseif ($xmlRpcParser->_xh['isf']) {
523 xml_parser_free($parser);
525 PhpXmlRpc::$xmlrpcerr['invalid_request'],
526 PhpXmlRpc::$xmlrpcstr['invalid_request'] . ' ' . $xmlRpcParser->_xh['isf_reason']);
528 xml_parser_free($parser);
529 // small layering violation in favor of speed and memory usage:
530 // we should allow the 'execute' method handle this, but in the
531 // most common scenario (xmlrpc values type server with some methods
532 // registered as phpvals) that would mean a useless encode+decode pass
533 if ($this->functions_parameters_type != 'xmlrpcvals' || (isset($this->dmap[$xmlRpcParser->_xh['method']]['parameters_type']) && ($this->dmap[$xmlRpcParser->_xh['method']]['parameters_type'] == 'phpvals'))) {
534 if ($this->debug > 1) {
535 $this->debugmsg("\n+++PARSED+++\n" . var_export($xmlRpcParser->_xh['params'], true) . "\n+++END+++");
537 $r = $this->execute($xmlRpcParser->_xh['method'], $xmlRpcParser->_xh['params'], $xmlRpcParser->_xh['pt']);
539 // build a Request object with data parsed from xml
540 $req = new Request($xmlRpcParser->_xh['method']);
541 // now add parameters in
542 for ($i = 0; $i < count($xmlRpcParser->_xh['params']); $i++) {
543 $req->addParam($xmlRpcParser->_xh['params'][$i]);
546 if ($this->debug > 1) {
547 $this->debugmsg("\n+++PARSED+++\n" . var_export($req, true) . "\n+++END+++");
549 $r = $this->execute($req);
557 * Execute a method invoked by the client, checking parameters used.
559 * @param mixed $req either a Request obj or a method name
560 * @param array $params array with method parameters as php types (if m is method name only)
561 * @param array $paramTypes array with xmlrpc types of method parameters (if m is method name only)
565 * @throws \Exception in case the executed method does throw an exception (and depending on server configuration)
567 protected function execute($req, $params = null, $paramTypes = null)
569 static::$_xmlrpcs_occurred_errors = '';
570 static::$_xmlrpc_debuginfo = '';
572 if (is_object($req)) {
573 $methName = $req->method();
577 $sysCall = $this->allow_system_funcs && (strpos($methName, "system.") === 0);
578 $dmap = $sysCall ? $this->getSystemDispatchMap() : $this->dmap;
580 if (!isset($dmap[$methName]['function'])) {
582 return new Response(0,
583 PhpXmlRpc::$xmlrpcerr['unknown_method'],
584 PhpXmlRpc::$xmlrpcstr['unknown_method']);
588 if (isset($dmap[$methName]['signature'])) {
589 $sig = $dmap[$methName]['signature'];
590 if (is_object($req)) {
591 list($ok, $errStr) = $this->verifySignature($req, $sig);
593 list($ok, $errStr) = $this->verifySignature($paramTypes, $sig);
599 PhpXmlRpc::$xmlrpcerr['incorrect_params'],
600 PhpXmlRpc::$xmlrpcstr['incorrect_params'] . ": ${errStr}"
605 $func = $dmap[$methName]['function'];
606 // let the 'class::function' syntax be accepted in dispatch maps
607 if (is_string($func) && strpos($func, '::')) {
608 $func = explode('::', $func);
611 if (is_array($func)) {
612 if (is_object($func[0])) {
613 $funcName = get_class($func[0]) . '->' . $func[1];
615 $funcName = implode('::', $func);
617 } else if ($func instanceof \Closure) {
618 $funcName = 'Closure';
623 // verify that function to be invoked is in fact callable
624 if (!is_callable($func)) {
625 error_log("XML-RPC: " . __METHOD__ . ": function '$funcName' registered as method handler is not callable");
628 PhpXmlRpc::$xmlrpcerr['server_error'],
629 PhpXmlRpc::$xmlrpcstr['server_error'] . ": no function matches method"
633 // If debug level is 3, we should catch all errors generated during
634 // processing of user function, and log them as part of response
635 if ($this->debug > 2) {
636 self::$_xmlrpcs_prev_ehandler = set_error_handler(array('\PhpXmlRpc\Server', '_xmlrpcs_errorHandler'));
640 // Allow mixed-convention servers
641 if (is_object($req)) {
643 $r = call_user_func($func, $this, $req);
645 $r = call_user_func($func, $req);
647 if (!is_a($r, 'PhpXmlRpc\Response')) {
648 error_log("XML-RPC: " . __METHOD__ . ": function '$funcName' registered as method handler does not return an xmlrpc response object but a " . gettype($r));
649 if (is_a($r, 'PhpXmlRpc\Value')) {
650 $r = new Response($r);
654 PhpXmlRpc::$xmlrpcerr['server_error'],
655 PhpXmlRpc::$xmlrpcstr['server_error'] . ": function does not return xmlrpc response object"
660 // call a 'plain php' function
662 array_unshift($params, $this);
663 $r = call_user_func_array($func, $params);
665 // 3rd API convention for method-handling functions: EPI-style
666 if ($this->functions_parameters_type == 'epivals') {
667 $r = call_user_func_array($func, array($methName, $params, $this->user_data));
668 // mimic EPI behaviour: if we get an array that looks like an error, make it
670 if (is_array($r) && array_key_exists('faultCode', $r) && array_key_exists('faultString', $r)) {
671 $r = new Response(0, (integer)$r['faultCode'], (string)$r['faultString']);
673 // functions using EPI api should NOT return resp objects,
674 // so make sure we encode the return type correctly
675 $r = new Response(php_xmlrpc_encode($r, array('extension_api')));
678 $r = call_user_func_array($func, $params);
681 // the return type can be either a Response object or a plain php value...
682 if (!is_a($r, '\PhpXmlRpc\Response')) {
683 // what should we assume here about automatic encoding of datetimes
684 // and php classes instances???
685 $r = new Response(php_xmlrpc_encode($r, $this->phpvals_encoding_options));
688 } catch (\Exception $e) {
689 // (barring errors in the lib) an uncatched exception happened
690 // in the called function, we wrap it in a proper error-response
691 switch ($this->exception_handling) {
693 if ($this->debug > 2) {
694 if (self::$_xmlrpcs_prev_ehandler) {
695 set_error_handler(self::$_xmlrpcs_prev_ehandler);
697 restore_error_handler();
703 $r = new Response(0, $e->getCode(), $e->getMessage());
706 $r = new Response(0, PhpXmlRpc::$xmlrpcerr['server_error'], PhpXmlRpc::$xmlrpcstr['server_error']);
709 if ($this->debug > 2) {
710 // note: restore the error handler we found before calling the
711 // user func, even if it has been changed inside the func itself
712 if (self::$_xmlrpcs_prev_ehandler) {
713 set_error_handler(self::$_xmlrpcs_prev_ehandler);
715 restore_error_handler();
723 * add a string to the 'internal debug message' (separate from 'user debug message').
725 * @param string $string
727 protected function debugmsg($string)
729 $this->debug_info .= $string . "\n";
733 * @param string $charsetEncoding
736 protected function xml_header($charsetEncoding = '')
738 if ($charsetEncoding != '') {
739 return "<?xml version=\"1.0\" encoding=\"$charsetEncoding\"?" . ">\n";
741 return "<?xml version=\"1.0\"?" . ">\n";
745 /* Functions that implement system.XXX methods of xmlrpc servers */
750 public function getSystemDispatchMap()
753 'system.listMethods' => array(
754 'function' => 'PhpXmlRpc\Server::_xmlrpcs_listMethods',
755 // listMethods: signature was either a string, or nothing.
756 // The useless string variant has been removed
757 'signature' => array(array(Value::$xmlrpcArray)),
758 'docstring' => 'This method lists all the methods that the XML-RPC server knows how to dispatch',
759 'signature_docs' => array(array('list of method names')),
761 'system.methodHelp' => array(
762 'function' => 'PhpXmlRpc\Server::_xmlrpcs_methodHelp',
763 'signature' => array(array(Value::$xmlrpcString, Value::$xmlrpcString)),
764 'docstring' => 'Returns help text if defined for the method passed, otherwise returns an empty string',
765 'signature_docs' => array(array('method description', 'name of the method to be described')),
767 'system.methodSignature' => array(
768 'function' => 'PhpXmlRpc\Server::_xmlrpcs_methodSignature',
769 'signature' => array(array(Value::$xmlrpcArray, Value::$xmlrpcString)),
770 'docstring' => 'Returns an array of known signatures (an array of arrays) for the method name passed. If no signatures are known, returns a none-array (test for type != array to detect missing signature)',
771 'signature_docs' => array(array('list of known signatures, each sig being an array of xmlrpc type names', 'name of method to be described')),
773 'system.multicall' => array(
774 'function' => 'PhpXmlRpc\Server::_xmlrpcs_multicall',
775 'signature' => array(array(Value::$xmlrpcArray, Value::$xmlrpcArray)),
776 'docstring' => 'Boxcar multiple RPC calls in one request. See http://www.xmlrpc.com/discuss/msgReader$1208 for details',
777 'signature_docs' => array(array('list of response structs, where each struct has the usual members', 'list of calls, with each call being represented as a struct, with members "methodname" and "params"')),
779 'system.getCapabilities' => array(
780 'function' => 'PhpXmlRpc\Server::_xmlrpcs_getCapabilities',
781 'signature' => array(array(Value::$xmlrpcStruct)),
782 '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',
783 'signature_docs' => array(array('list of capabilities, described as structs with a version number and url for the spec')),
791 public function getCapabilities()
794 // xmlrpc spec: always supported
796 'specUrl' => 'http://www.xmlrpc.com/spec',
799 // if we support system.xxx functions, we always support multicall, too...
800 // Note that, as of 2006/09/17, the following URL does not respond anymore
801 'system.multicall' => array(
802 'specUrl' => 'http://www.xmlrpc.com/discuss/msgReader$1208',
805 // introspection: version 2! we support 'mixed', too
806 'introspection' => array(
807 'specUrl' => 'http://phpxmlrpc.sourceforge.net/doc-2/ch10.html',
813 if (PhpXmlRpc::$xmlrpc_null_extension) {
814 $outAr['nil'] = array(
815 'specUrl' => 'http://www.ontosys.com/xml-rpc/extensions.php',
823 public static function _xmlrpcs_getCapabilities($server, $req = null)
825 $encoder = new Encoder();
826 return new Response($encoder->encode($server->getCapabilities()));
829 public static function _xmlrpcs_listMethods($server, $req = null) // if called in plain php values mode, second param is missing
832 foreach ($server->dmap as $key => $val) {
833 $outAr[] = new Value($key, 'string');
835 if ($server->allow_system_funcs) {
836 foreach ($server->getSystemDispatchMap() as $key => $val) {
837 $outAr[] = new Value($key, 'string');
841 return new Response(new Value($outAr, 'array'));
844 public static function _xmlrpcs_methodSignature($server, $req)
846 // let accept as parameter both an xmlrpc value or string
847 if (is_object($req)) {
848 $methName = $req->getParam(0);
849 $methName = $methName->scalarval();
853 if (strpos($methName, "system.") === 0) {
854 $dmap = $server->getSystemDispatchMap();
856 $dmap = $server->dmap;
858 if (isset($dmap[$methName])) {
859 if (isset($dmap[$methName]['signature'])) {
861 foreach ($dmap[$methName]['signature'] as $inSig) {
863 foreach ($inSig as $sig) {
864 $curSig[] = new Value($sig, 'string');
866 $sigs[] = new Value($curSig, 'array');
868 $r = new Response(new Value($sigs, 'array'));
870 // NB: according to the official docs, we should be returning a
871 // "none-array" here, which means not-an-array
872 $r = new Response(new Value('undef', 'string'));
875 $r = new Response(0, PhpXmlRpc::$xmlrpcerr['introspect_unknown'], PhpXmlRpc::$xmlrpcstr['introspect_unknown']);
881 public static function _xmlrpcs_methodHelp($server, $req)
883 // let accept as parameter both an xmlrpc value or string
884 if (is_object($req)) {
885 $methName = $req->getParam(0);
886 $methName = $methName->scalarval();
890 if (strpos($methName, "system.") === 0) {
891 $dmap = $server->getSystemDispatchMap();
893 $dmap = $server->dmap;
895 if (isset($dmap[$methName])) {
896 if (isset($dmap[$methName]['docstring'])) {
897 $r = new Response(new Value($dmap[$methName]['docstring']), 'string');
899 $r = new Response(new Value('', 'string'));
902 $r = new Response(0, PhpXmlRpc::$xmlrpcerr['introspect_unknown'], PhpXmlRpc::$xmlrpcstr['introspect_unknown']);
908 public static function _xmlrpcs_multicall_error($err)
910 if (is_string($err)) {
911 $str = PhpXmlRpc::$xmlrpcstr["multicall_${err}"];
912 $code = PhpXmlRpc::$xmlrpcerr["multicall_${err}"];
914 $code = $err->faultCode();
915 $str = $err->faultString();
918 $struct['faultCode'] = new Value($code, 'int');
919 $struct['faultString'] = new Value($str, 'string');
921 return new Value($struct, 'struct');
924 public static function _xmlrpcs_multicall_do_call($server, $call)
926 if ($call->kindOf() != 'struct') {
927 return static::_xmlrpcs_multicall_error('notstruct');
929 $methName = @$call['methodName'];
931 return static::_xmlrpcs_multicall_error('nomethod');
933 if ($methName->kindOf() != 'scalar' || $methName->scalartyp() != 'string') {
934 return static::_xmlrpcs_multicall_error('notstring');
936 if ($methName->scalarval() == 'system.multicall') {
937 return static::_xmlrpcs_multicall_error('recursion');
940 $params = @$call['params'];
942 return static::_xmlrpcs_multicall_error('noparams');
944 if ($params->kindOf() != 'array') {
945 return static::_xmlrpcs_multicall_error('notarray');
948 $req = new Request($methName->scalarval());
949 foreach($params as $i => $param) {
950 if (!$req->addParam($param)) {
951 $i++; // for error message, we count params from 1
952 return static::_xmlrpcs_multicall_error(new Response(0,
953 PhpXmlRpc::$xmlrpcerr['incorrect_params'],
954 PhpXmlRpc::$xmlrpcstr['incorrect_params'] . ": probable xml error in param " . $i));
958 $result = $server->execute($req);
960 if ($result->faultCode() != 0) {
961 return static::_xmlrpcs_multicall_error($result); // Method returned fault.
964 return new Value(array($result->value()), 'array');
967 public static function _xmlrpcs_multicall_do_call_phpvals($server, $call)
969 if (!is_array($call)) {
970 return static::_xmlrpcs_multicall_error('notstruct');
972 if (!array_key_exists('methodName', $call)) {
973 return static::_xmlrpcs_multicall_error('nomethod');
975 if (!is_string($call['methodName'])) {
976 return static::_xmlrpcs_multicall_error('notstring');
978 if ($call['methodName'] == 'system.multicall') {
979 return static::_xmlrpcs_multicall_error('recursion');
981 if (!array_key_exists('params', $call)) {
982 return static::_xmlrpcs_multicall_error('noparams');
984 if (!is_array($call['params'])) {
985 return static::_xmlrpcs_multicall_error('notarray');
988 // this is a real dirty and simplistic hack, since we might have received a
989 // base64 or datetime values, but they will be listed as strings here...
990 $numParams = count($call['params']);
992 $wrapper = new Wrapper();
993 foreach ($call['params'] as $val) {
994 $pt[] = $wrapper->php2XmlrpcType(gettype($val));
997 $result = $server->execute($call['methodName'], $call['params'], $pt);
999 if ($result->faultCode() != 0) {
1000 return static::_xmlrpcs_multicall_error($result); // Method returned fault.
1003 return new Value(array($result->value()), 'array');
1006 public static function _xmlrpcs_multicall($server, $req)
1009 // let accept a plain list of php parameters, beside a single xmlrpc msg object
1010 if (is_object($req)) {
1011 $calls = $req->getParam(0);
1012 foreach($calls as $call) {
1013 $result[] = static::_xmlrpcs_multicall_do_call($server, $call);
1016 $numCalls = count($req);
1017 for ($i = 0; $i < $numCalls; $i++) {
1018 $result[$i] = static::_xmlrpcs_multicall_do_call_phpvals($server, $req[$i]);
1022 return new Response(new Value($result, 'array'));
1026 * Error handler used to track errors that occur during server-side execution of PHP code.
1027 * This allows to report back to the client whether an internal error has occurred or not
1028 * using an xmlrpc response object, instead of letting the client deal with the html junk
1029 * that a PHP execution error on the server generally entails.
1031 * NB: in fact a user defined error handler can only handle WARNING, NOTICE and USER_* errors.
1033 public static function _xmlrpcs_errorHandler($errCode, $errString, $filename = null, $lineNo = null, $context = null)
1035 // obey the @ protocol
1036 if (error_reporting() == 0) {
1040 //if($errCode != E_NOTICE && $errCode != E_WARNING && $errCode != E_USER_NOTICE && $errCode != E_USER_WARNING)
1041 if ($errCode != E_STRICT) {
1042 \PhpXmlRpc\Server::error_occurred($errString);
1044 // Try to avoid as much as possible disruption to the previous error handling
1045 // mechanism in place
1046 if (self::$_xmlrpcs_prev_ehandler == '') {
1047 // The previous error handler was the default: all we should do is log error
1048 // to the default error log (if level high enough)
1049 if (ini_get('log_errors') && (intval(ini_get('error_reporting')) & $errCode)) {
1050 error_log($errString);
1053 // Pass control on to previous error handler, trying to avoid loops...
1054 if (self::$_xmlrpcs_prev_ehandler != array('\PhpXmlRpc\Server', '_xmlrpcs_errorHandler')) {
1055 if (is_array(self::$_xmlrpcs_prev_ehandler)) {
1056 // the following works both with static class methods and plain object methods as error handler
1057 call_user_func_array(self::$_xmlrpcs_prev_ehandler, array($errCode, $errString, $filename, $lineNo, $context));
1059 $method = self::$_xmlrpcs_prev_ehandler;
1060 $method($errCode, $errString, $filename, $lineNo, $context);