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File: xmlrpc.php

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File: xmlrpc.php
Role: Auxiliary script
Content type: text/plain
Description: XML-RPC client class by usefulinc.com
Class: Freshmeat.net XML-RPC
Query Freshmeat project records via XML-RPC API
Author: By
Last change:
Date: 18 years ago
Size: 36,744 bytes
 

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<?php // -*-c++-*- // by Edd Dumbill (C) 1999-2002 // <edd@usefulinc.com> // $Id: xmlrpc.inc,v 1.20 2003/01/10 22:01:56 dilinger Exp $ // Copyright (c) 1999,2000,2002 Edd Dumbill. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions // are met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // // * Neither the name of the "XML-RPC for PHP" nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS // FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE // REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) // HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED // OF THE POSSIBILITY OF SUCH DAMAGE. if (!function_exists('xml_parser_create')) { // Win 32 fix. From: 'Leo West' <lwest@imaginet.fr> if($WINDIR) { dl('php3_xml.dll'); } else { dl('xml.so'); } } $xmlrpcI4='i4'; $xmlrpcInt='int'; $xmlrpcBoolean='boolean'; $xmlrpcDouble='double'; $xmlrpcString='string'; $xmlrpcDateTime='dateTime.iso8601'; $xmlrpcBase64='base64'; $xmlrpcArray='array'; $xmlrpcStruct='struct'; $xmlrpcTypes=array( $xmlrpcI4 => 1, $xmlrpcInt => 1, $xmlrpcBoolean => 1, $xmlrpcString => 1, $xmlrpcDouble => 1, $xmlrpcDateTime => 1, $xmlrpcBase64 => 1, $xmlrpcArray => 2, $xmlrpcStruct => 3 ); $xmlEntities=array( 'amp' => '&', 'quot' => '"', 'lt' => '<', 'gt' => '>', 'apos' => "'" ); $xmlrpcerr['unknown_method']=1; $xmlrpcstr['unknown_method']='Unknown method'; $xmlrpcerr['invalid_return']=2; $xmlrpcstr['invalid_return']='Invalid return payload: enabling debugging to examine incoming payload'; $xmlrpcerr['incorrect_params']=3; $xmlrpcstr['incorrect_params']='Incorrect parameters passed to method'; $xmlrpcerr['introspect_unknown']=4; $xmlrpcstr['introspect_unknown']="Can't introspect: method unknown"; $xmlrpcerr['http_error']=5; $xmlrpcstr['http_error']="Didn't receive 200 OK from remote server."; $xmlrpcerr['no_data']=6; $xmlrpcstr['no_data']='No data received from server.'; $xmlrpcerr['no_ssl']=7; $xmlrpcstr['no_ssl']='No SSL support compiled in.'; $xmlrpcerr['curl_fail']=8; $xmlrpcstr['curl_fail']='CURL error'; $xmlrpcerr['multicall_notstruct'] = 9; $xmlrpcstr['multicall_notstruct'] = 'system.multicall expected struct'; $xmlrpcerr['multicall_nomethod'] = 10; $xmlrpcstr['multicall_nomethod'] = 'missing methodName'; $xmlrpcerr['multicall_notstring'] = 11; $xmlrpcstr['multicall_notstring'] = 'methodName is not a string'; $xmlrpcerr['multicall_recursion'] = 12; $xmlrpcstr['multicall_recursion'] = 'recursive system.multicall forbidden'; $xmlrpcerr['multicall_noparams'] = 13; $xmlrpcstr['multicall_noparams'] = 'missing params'; $xmlrpcerr['multicall_notarray'] = 14; $xmlrpcstr['multicall_notarray'] = 'params is not an array'; $xmlrpc_defencoding='UTF-8'; $xmlrpcName='XML-RPC for PHP'; $xmlrpcVersion='1.0.99'; // let user errors start at 800 $xmlrpcerruser=800; // let XML parse errors start at 100 $xmlrpcerrxml=100; // formulate backslashes for escaping regexp $xmlrpc_backslash=chr(92).chr(92); // used to store state during parsing // quick explanation of components: // st - used to build up a string for evaluation // ac - used to accumulate values // qt - used to decide if quotes are needed for evaluation // cm - used to denote struct or array (comma needed) // isf - used to indicate a fault // lv - used to indicate "looking for a value": implements // the logic to allow values with no types to be strings // params - used to store parameters in method calls // method - used to store method name $_xh=array(); function xmlrpc_entity_decode($string) { $top=split('&', $string); $op=''; $i=0; while($i<sizeof($top)) { if (ereg("^([#a-zA-Z0-9]+);", $top[$i], $regs)) { $op.=ereg_replace("^[#a-zA-Z0-9]+;", xmlrpc_lookup_entity($regs[1]), $top[$i]); } else { if ($i==0) { $op=$top[$i]; } else { $op.='&' . $top[$i]; } } $i++; } return $op; } function xmlrpc_lookup_entity($ent) { global $xmlEntities; if (isset($xmlEntities[strtolower($ent)])) { return $xmlEntities[strtolower($ent)]; } if (ereg("^#([0-9]+)$", $ent, $regs)) { return chr($regs[1]); } return '?'; } function xmlrpc_se($parser, $name, $attrs) { global $_xh, $xmlrpcDateTime, $xmlrpcString; switch($name) { case 'STRUCT': case 'ARRAY': $_xh[$parser]['st'].='array('; $_xh[$parser]['cm']++; // this last line turns quoting off // this means if we get an empty array we'll // simply get a bit of whitespace in the eval $_xh[$parser]['qt']=0; break; case 'NAME': $_xh[$parser]['st'].="'"; $_xh[$parser]['ac']=''; break; case 'FAULT': $_xh[$parser]['isf']=1; break; case 'PARAM': $_xh[$parser]['st']=''; break; case 'VALUE': $_xh[$parser]['st'].='new xmlrpcval('; $_xh[$parser]['vt']=$xmlrpcString; $_xh[$parser]['ac']=''; $_xh[$parser]['qt']=0; $_xh[$parser]['lv']=1; // look for a value: if this is still 1 by the // time we reach the first data segment then the type is string // by implication and we need to add in a quote break; case 'I4': case 'INT': case 'STRING': case 'BOOLEAN': case 'DOUBLE': case 'DATETIME.ISO8601': case 'BASE64': $_xh[$parser]['ac']=''; // reset the accumulator if ($name=='DATETIME.ISO8601' || $name=='STRING') { $_xh[$parser]['qt']=1; if ($name=='DATETIME.ISO8601') { $_xh[$parser]['vt']=$xmlrpcDateTime; } } elseif ($name=='BASE64') { $_xh[$parser]['qt']=2; } else { // No quoting is required here -- but // at the end of the element we must check // for data format errors. $_xh[$parser]['qt']=0; } break; case 'MEMBER': $_xh[$parser]['ac']=''; break; default: break; } if ($name!='VALUE') { $_xh[$parser]['lv']=0; } } function xmlrpc_ee($parser, $name) { global $_xh,$xmlrpcTypes,$xmlrpcString; switch($name) { case 'STRUCT': case 'ARRAY': if ($_xh[$parser]['cm'] && substr($_xh[$parser]['st'], -1) ==',') { $_xh[$parser]['st']=substr($_xh[$parser]['st'],0,-1); } $_xh[$parser]['st'].=')'; $_xh[$parser]['vt']=strtolower($name); $_xh[$parser]['cm']--; break; case 'NAME': $_xh[$parser]['st'].= $_xh[$parser]['ac'] . "' => "; break; case 'BOOLEAN': // special case here: we translate boolean 1 or 0 into PHP // constants true or false if ($_xh[$parser]['ac']=='1') { $_xh[$parser]['ac']='true'; } else { $_xh[$parser]['ac']='false'; $_xh[$parser]['vt']=strtolower($name); // Drop through intentionally. } case 'I4': case 'INT': case 'STRING': case 'DOUBLE': case 'DATETIME.ISO8601': case 'BASE64': if ($_xh[$parser]['qt']==1) { // we use double quotes rather than single so backslashification works OK $_xh[$parser]['st'].='"'. $_xh[$parser]['ac'] . '"'; } elseif ($_xh[$parser]['qt']==2) { $_xh[$parser]['st'].="base64_decode('". $_xh[$parser]['ac'] . "')"; } elseif ($name=='BOOLEAN') { $_xh[$parser]['st'].=$_xh[$parser]['ac']; } else { // we have an I4, INT or a DOUBLE // we must check that only 0123456789-.<space> are characters here if (!ereg("^\-?[0123456789 \t\.]+$", $_xh[$parser]['ac'])) { // TODO: find a better way of throwing an error // than this! error_log('XML-RPC: non numeric value received in INT or DOUBLE'); $_xh[$parser]['st'].='ERROR_NON_NUMERIC_FOUND'; } else { // it's ok, add it on $_xh[$parser]['st'].=$_xh[$parser]['ac']; } } $_xh[$parser]['ac']=''; $_xh[$parser]['qt']=0; $_xh[$parser]['lv']=3; // indicate we've found a value break; case 'VALUE': // deal with a string value if (strlen($_xh[$parser]['ac'])>0 && $_xh[$parser]['vt']==$xmlrpcString) { $_xh[$parser]['st'].='"'. $_xh[$parser]['ac'] . '"'; } // This if() detects if no scalar was inside <VALUE></VALUE> // and pads an empty ''. if($_xh[$parser]['st'][strlen($_xh[$parser]['st'])-1] == '(') { $_xh[$parser]['st'].= '""'; } $_xh[$parser]['st'].=", '" . $_xh[$parser]['vt'] . "')"; if ($_xh[$parser]['cm']) { $_xh[$parser]['st'].=','; } break; case 'MEMBER': $_xh[$parser]['ac']=''; $_xh[$parser]['qt']=0; break; case 'DATA': $_xh[$parser]['ac']=''; $_xh[$parser]['qt']=0; break; case 'PARAM': $_xh[$parser]['params'][]=$_xh[$parser]['st']; break; case 'METHODNAME': $_xh[$parser]['method']=ereg_replace("^[\n\r\t ]+", '', $_xh[$parser]['ac']); break; case 'BOOLEAN': // special case here: we translate boolean 1 or 0 into PHP // constants true or false if ($_xh[$parser]['ac']=='1') { $_xh[$parser]['ac']='true'; } else { $_xh[$parser]['ac']='false'; $_xh[$parser]['vt']=strtolower($name); } break; default: break; } // if it's a valid type name, set the type if (isset($xmlrpcTypes[strtolower($name)])) { $_xh[$parser]['vt']=strtolower($name); } } function xmlrpc_cd($parser, $data) { global $_xh, $xmlrpc_backslash; //if (ereg("^[\n\r \t]+$", $data)) return; // print "adding [${data}]\n"; if ($_xh[$parser]['lv']!=3) { // "lookforvalue==3" means that we've found an entire value // and should discard any further character data if ($_xh[$parser]['lv']==1) { // if we've found text and we're just in a <value> then // turn quoting on, as this will be a string $_xh[$parser]['qt']=1; // and say we've found a value $_xh[$parser]['lv']=2; } if(!@isset($_xh[$parser]['ac'])) { $_xh[$parser]['ac'] = ''; } $_xh[$parser]['ac'].=str_replace('$', '\$', str_replace('"', '\"', str_replace(chr(92),$xmlrpc_backslash, $data))); } } function xmlrpc_dh($parser, $data) { global $_xh; if (substr($data, 0, 1) == '&' && substr($data, -1, 1) == ';') { if ($_xh[$parser]['lv']==1) { $_xh[$parser]['qt']=1; $_xh[$parser]['lv']=2; } $_xh[$parser]['ac'].=str_replace('$', '\$', str_replace('"', '\"', str_replace(chr(92),$xmlrpc_backslash, $data))); } } class xmlrpc_client { var $path; var $server; var $port; var $errno; var $errstring; var $debug=0; var $username=''; var $password=''; var $cert=''; var $certpass=''; var $verifypeer=1; var $verifyhost=1; var $no_multicall=false; function xmlrpc_client($path, $server, $port=0) { $this->port=$port; $this->server=$server; $this->path=$path; } function setDebug($in) { if ($in) { $this->debug=1; } else { $this->debug=0; } } function setCredentials($u, $p) { $this->username=$u; $this->password=$p; } function setCertificate($cert, $certpass) { $this->cert = $cert; $this->certpass = $certpass; } function setSSLVerifyPeer($i) { $this->verifypeer = $i; } function setSSLVerifyHost($i) { $this->verifyhost = $i; } function send($msg, $timeout=0, $method='http') { if (is_array($msg)) { // $msg is an array of xmlrpcmsg's return $this->multicall($msg, $timeout, $method); } // where msg is an xmlrpcmsg $msg->debug=$this->debug; if ($method == 'https') { return $this->sendPayloadHTTPS($msg, $this->server, $this->port, $timeout, $this->username, $this->password, $this->cert, $this->certpass); } else { return $this->sendPayloadHTTP10($msg, $this->server, $this->port, $timeout, $this->username, $this->password); } } function sendPayloadHTTP10($msg, $server, $port, $timeout=0,$username='', $password='') { global $xmlrpcerr, $xmlrpcstr; if ($port==0) { $port=80; } if($timeout>0) { $fp=fsockopen($server, $port,$this->errno, $this->errstr, $timeout); } else { $fp=fsockopen($server, $port,$this->errno, $this->errstr); } if (!$fp) { $this->errstr='Connect error'; $r=new xmlrpcresp(0, $xmlrpcerr['http_error'],$xmlrpcstr['http_error']); return $r; } // Only create the payload if it was not created previously if(empty($msg->payload)) { $msg->createPayload(); } // thanks to Grant Rauscher <grant7@firstworld.net> // for this $credentials=''; if ($username!='') { $credentials='Authorization: Basic ' . base64_encode($username . ':' . $password) . "\r\n"; } $op= "POST " . $this->path. " HTTP/1.0\r\nUser-Agent: PHP XMLRPC 1.0\r\n" . "Host: ". $this->server . "\r\n" . $credentials . "Content-Type: text/xml\r\nContent-Length: " . strlen($msg->payload) . "\r\n\r\n" . $msg->payload; if (!fputs($fp, $op, strlen($op))) { $this->errstr='Write error'; $r=new xmlrpcresp(0, $xmlrpcerr['http_error'], $xmlrpcstr['http_error']); return $r; } $resp=$msg->parseResponseFile($fp); fclose($fp); return $resp; } // contributed by Justin Miller <justin@voxel.net> // requires curl to be built into PHP function sendPayloadHTTPS($msg, $server, $port, $timeout=0,$username='', $password='', $cert='',$certpass='') { global $xmlrpcerr, $xmlrpcstr; if ($port == 0) { $port = 443; } // Only create the payload if it was not created previously if(empty($msg->payload)) { $msg->createPayload(); } if (!function_exists('curl_init')) { $this->errstr='SSL unavailable on this install'; $r=new xmlrpcresp(0, $xmlrpcerr['no_ssl'], $xmlrpcstr['no_ssl']); return $r; } $curl = curl_init('https://' . $server . ':' . $port . $this->path); curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); // results into variable if ($this->debug) { curl_setopt($curl, CURLOPT_VERBOSE, 1); } curl_setopt($curl, CURLOPT_USERAGENT, 'PHP XMLRPC 1.0'); // required for XMLRPC curl_setopt($curl, CURLOPT_POST, 1); // post the data curl_setopt($curl, CURLOPT_POSTFIELDS, $msg->payload); // the data curl_setopt($curl, CURLOPT_HEADER, 1); // return the header too curl_setopt($curl, CURLOPT_HTTPHEADER, array('Content-Type: text/xml')); // whether to verify remote host's cert curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, $this->verifypeer); // whether to verify cert's common name (CN); 0 for no, 1 to verify that it exists, and 2 to verify that it matches the hostname used curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, $this->verifyhost); // required for XMLRPC if ($timeout) { curl_setopt($curl, CURLOPT_TIMEOUT, $timeout == 1 ? 1 : $timeout - 1); } // timeout is borked if ($username && $password) { curl_setopt($curl, CURLOPT_USERPWD,"$username:$password"); } // set auth stuff if ($cert) { curl_setopt($curl, CURLOPT_SSLCERT, $cert); } // set cert file if ($certpass) { curl_setopt($curl, CURLOPT_SSLCERTPASSWD,$certpass); } // set cert password $result = curl_exec($curl); if (!$result) { $this->errstr='no response'; $resp=new xmlrpcresp(0, $xmlrpcerr['curl_fail'], $xmlrpcstr['curl_fail']. ': '. curl_error($curl)); } else { $resp = $msg->parseResponse($result); } curl_close($curl); return $resp; } function multicall($msgs, $timeout=0, $method='http') { $results = false; if (! $this->no_multicall) { $results = $this->_try_multicall($msgs, $timeout, $method); /* TODO - this is not php3-friendly */ // if($results !== false) if($results != false) { // Either the system.multicall succeeded, or the send // failed (e.g. due to HTTP timeout). In either case, // we're done for now. return $results; } else { // system.multicall unsupported by server, // don't try it next time... $this->no_multicall = true; } } // system.multicall is unupported by server: // Emulate multicall via multiple requests $results = array(); //foreach($msgs as $msg) @reset($msgs); while(list(,$msg) = @each($msgs)) { $results[] = $this->send($msg, $timeout, $method); } return $results; } // Attempt to boxcar $msgs via system.multicall. function _try_multicall($msgs, $timeout, $method) { // Construct multicall message $calls = array(); //foreach($msgs as $msg) @reset($msgs); while(list(,$msg) = @each($msgs)) { $call['methodName'] = new xmlrpcval($msg->method(),'string'); $numParams = $msg->getNumParams(); $params = array(); for ($i = 0; $i < $numParams; $i++) { $params[$i] = $msg->getParam($i); } $call['params'] = new xmlrpcval($params, 'array'); $calls[] = new xmlrpcval($call, 'struct'); } $multicall = new xmlrpcmsg('system.multicall'); $multicall->addParam(new xmlrpcval($calls, 'array')); // Attempt RPC call $result = $this->send($multicall, $timeout, $method); if (!is_object($result)) return ($result || 0); // transport failed if ($result->faultCode() != 0) return false; // system.multicall failed // Unpack responses. $rets = $result->value(); if ($rets->kindOf() != 'array') return false; // bad return type from system.multicall $numRets = $rets->arraysize(); if ($numRets != count($msgs)) return false; // wrong number of return values. $response = array(); for ($i = 0; $i < $numRets; $i++) { $val = $rets->arraymem($i); switch ($val->kindOf()) { case 'array': if ($val->arraysize() != 1) return false; // Bad value // Normal return value $response[$i] = new xmlrpcresp($val->arraymem(0)); break; case 'struct': $code = $val->structmem('faultCode'); if ($code->kindOf() != 'scalar' || $code->scalartyp() != 'int') return false; $str = $val->structmem('faultString'); if ($str->kindOf() != 'scalar' || $str->scalartyp() != 'string') return false; $response[$i] = new xmlrpcresp(0, $code->scalarval(), $str->scalarval()); break; default: return false; } } return $response; } } // end class xmlrpc_client class xmlrpcresp { var $val = 0; var $errno = 0; var $errstr = ''; var $hdrs = array(); function xmlrpcresp($val, $fcode = 0, $fstr = '') { if ($fcode != 0) { // error $this->errno = $fcode; $this->errstr = htmlspecialchars($fstr); // XXX: encoding probably shouldn't be done here; fix later. } else if (!is_object($val)) { // programmer error error_log("Invalid type '" . gettype($val) . "' (value: $val) passed to xmlrpcresp. Defaulting to empty value."); $this->val = new xmlrpcval(); } else { // success $this->val = $val; } } function faultCode() { return $this->errno; } function faultString() { return $this->errstr; } function value() { return $this->val; } function serialize() { $result = "<methodResponse>\n"; if ($this->errno) { $result .= '<fault> <value> <struct> <member> <name>faultCode</name> <value><int>' . $this->errno . '</int></value> </member> <member> <name>faultString</name> <value><string>' . $this->errstr . '</string></value> </member> </struct> </value> </fault>'; } else { $result .= "<params>\n<param>\n" . $this->val->serialize() . "</param>\n</params>"; } $result .= "\n</methodResponse>"; return $result; } } class xmlrpcmsg { var $payload; var $methodname; var $params=array(); var $debug=0; function xmlrpcmsg($meth, $pars=0) { $this->methodname=$meth; if (is_array($pars) && sizeof($pars)>0) { for($i=0; $i<sizeof($pars); $i++) { $this->addParam($pars[$i]); } } } function xml_header() { return "<?xml version=\"1.0\"?>\n<methodCall>\n"; } function xml_footer() { return "</methodCall>\n"; } function createPayload() { $this->payload=$this->xml_header(); $this->payload.='<methodName>' . $this->methodname . "</methodName>\n"; // if (sizeof($this->params)) { $this->payload.="<params>\n"; for($i=0; $i<sizeof($this->params); $i++) { $p=$this->params[$i]; $this->payload.="<param>\n" . $p->serialize() . "</param>\n"; } $this->payload.="</params>\n"; // } $this->payload.=$this->xml_footer(); $this->payload=str_replace("\n", "\r\n", $this->payload); } function method($meth='') { if ($meth!='') { $this->methodname=$meth; } return $this->methodname; } function serialize() { $this->createPayload(); return $this->payload; } function addParam($par) { $this->params[]=$par; } function getParam($i) { return $this->params[$i]; } function getNumParams() { return sizeof($this->params); } function parseResponseFile($fp) { $ipd=''; while($data=fread($fp, 32768)) { $ipd.=$data; } return $this->parseResponse($ipd); } function parseResponse($data='') { global $_xh,$xmlrpcerr,$xmlrpcstr; global $xmlrpc_defencoding; $parser = xml_parser_create($xmlrpc_defencoding); $_xh[$parser]=array(); $_xh[$parser]['st']=''; $_xh[$parser]['cm']=0; $_xh[$parser]['isf']=0; $_xh[$parser]['ac']=''; $_xh[$parser]['qt']=''; $_xh[$parser]['headers'] = array(); xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, true); xml_set_element_handler($parser, 'xmlrpc_se', 'xmlrpc_ee'); xml_set_character_data_handler($parser, 'xmlrpc_cd'); xml_set_default_handler($parser, 'xmlrpc_dh'); $xmlrpc_value=new xmlrpcval; $hdrfnd = 0; if($this->debug) { //by maHo, replaced htmlspecialchars with htmlentities print "<PRE>---GOT---\n" . htmlentities($data) . "\n---END---\n</PRE>"; } if($data == '') { error_log('No response received from server.'); $r = new xmlrpcresp(0, $xmlrpcerr['no_data'], $xmlrpcstr['no_data']); xml_parser_free($parser); return $r; } // see if we got an HTTP 200 OK, else bomb // but only do this if we're using the HTTP protocol. if(ereg("^HTTP",$data) && !ereg("^HTTP/[0-9\.]+ 200 ", $data)) { $errstr= substr($data, 0, strpos($data, "\n")-1); error_log('HTTP error, got response: ' .$errstr); $r=new xmlrpcresp(0, $xmlrpcerr['http_error'], $xmlrpcstr['http_error']. ' (' . $errstr . ')'); xml_parser_free($parser); return $r; } // separate HTTP headers from data if (ereg("^HTTP", $data)) { $ar = split("\r\n", $data); while (($line = array_shift($ar))) { if (strlen($line) < 1) { break; } $_xh[$parser]['headers'][] = $line; } $data = join("\r\n", $ar); } if ($this->debug && count($_xh[$parser]['headers'])) { print "<PRE>"; foreach ($_xh[$parser]['headers'] as $header) { print "HEADER: $header\n"; } print "</PRE>\n"; } if (!xml_parse($parser, $data, sizeof($data))) { // thanks to Peter Kocks <peter.kocks@baygate.com> if((xml_get_current_line_number($parser)) == 1) { $errstr = 'XML error at line 1, check URL'; } else { $errstr = sprintf('XML error: %s at line %d', xml_error_string(xml_get_error_code($parser)), xml_get_current_line_number($parser)); error_log($errstr); $r=new xmlrpcresp(0, $xmlrpcerr['invalid_return'], $xmlrpcstr['invalid_return']); xml_parser_free($parser); echo $errstr; return $r; } } xml_parser_free($parser); if ($this->debug) { print "<PRE>---EVALING---[" . strlen($_xh[$parser]['st']) . " chars]---\n" . htmlspecialchars($_xh[$parser]['st']) . ";\n---END---</PRE>"; } if (strlen($_xh[$parser]['st'])==0) { // then something odd has happened // and it's time to generate a client side error // indicating something odd went on $r=new xmlrpcresp(0, $xmlrpcerr['invalid_return'], $xmlrpcstr['invalid_return']); } else { eval('$v=' . $_xh[$parser]['st'] . '; $allOK=1;'); if ($_xh[$parser]['isf']) { $errno_v = $v->structmem('faultCode'); $errstr_v = $v->structmem('faultString'); $errno = $errno_v->scalarval(); if ($errno == 0) { // FAULT returned, errno needs to reflect that $errno = -1; } $r = new xmlrpcresp($v, $errno, $errstr_v->scalarval()); } else { $r=new xmlrpcresp($v); } } $r->hdrs = $_xh[$parser]['headers']; return $r; } } class xmlrpcval { var $me=array(); var $mytype=0; function xmlrpcval($val=-1, $type='') { global $xmlrpcTypes; $this->me=array(); $this->mytype=0; if ($val!=-1 || $type!='') { if ($type=='') { $type='string'; } if ($xmlrpcTypes[$type]==1) { $this->addScalar($val,$type); } elseif ($xmlrpcTypes[$type]==2) { $this->addArray($val); } elseif ($xmlrpcTypes[$type]==3) { $this->addStruct($val); } } } function addScalar($val, $type='string') { global $xmlrpcTypes, $xmlrpcBoolean; if ($this->mytype==1) { echo '<B>xmlrpcval</B>: scalar can have only one value<BR>'; return 0; } $typeof=$xmlrpcTypes[$type]; if ($typeof!=1) { echo '<B>xmlrpcval</B>: not a scalar type (${typeof})<BR>'; return 0; } if ($type==$xmlrpcBoolean) { if (strcasecmp($val,'true')==0 || $val==1 || ($val==true && strcasecmp($val,'false'))) { $val=1; } else { $val=0; } } if ($this->mytype==2) { // we're adding to an array here $ar=$this->me['array']; $ar[]=new xmlrpcval($val, $type); $this->me['array']=$ar; } else { // a scalar, so set the value and remember we're scalar $this->me[$type]=$val; $this->mytype=$typeof; } return 1; } function addArray($vals) { global $xmlrpcTypes; if ($this->mytype!=0) { echo '<B>xmlrpcval</B>: already initialized as a [' . $this->kindOf() . ']<BR>'; return 0; } $this->mytype=$xmlrpcTypes['array']; $this->me['array']=$vals; return 1; } function addStruct($vals) { global $xmlrpcTypes; if ($this->mytype!=0) { echo '<B>xmlrpcval</B>: already initialized as a [' . $this->kindOf() . ']<BR>'; return 0; } $this->mytype=$xmlrpcTypes['struct']; $this->me['struct']=$vals; return 1; } function dump($ar) { reset($ar); while ( list( $key, $val ) = each( $ar ) ) { echo "$key => $val<br>"; if ($key == 'array') { while ( list( $key2, $val2 ) = each( $val ) ) { echo "-- $key2 => $val2<br>"; } } } } function kindOf() { switch($this->mytype) { case 3: return 'struct'; break; case 2: return 'array'; break; case 1: return 'scalar'; break; default: return 'undef'; } } function serializedata($typ, $val) { $rs=''; global $xmlrpcTypes, $xmlrpcBase64, $xmlrpcString, $xmlrpcBoolean; switch($xmlrpcTypes[$typ]) { case 3: // struct $rs.="<struct>\n"; reset($val); while(list($key2, $val2)=each($val)) { $rs.="<member><name>${key2}</name>\n"; $rs.=$this->serializeval($val2); $rs.="</member>\n"; } $rs.='</struct>'; break; case 2: // array $rs.="<array>\n<data>\n"; for($i=0; $i<sizeof($val); $i++) { $rs.=$this->serializeval($val[$i]); } $rs.="</data>\n</array>"; break; case 1: switch ($typ) { case $xmlrpcBase64: $rs.="<${typ}>" . base64_encode($val) . "</${typ}>"; break; case $xmlrpcBoolean: $rs.="<${typ}>" . ($val ? '1' : '0') . "</${typ}>"; break; case $xmlrpcString: $rs.="<${typ}>" . htmlspecialchars($val). "</${typ}>"; break; default: $rs.="<${typ}>${val}</${typ}>"; } break; default: break; } return $rs; } function serialize() { return $this->serializeval($this); } function serializeval($o) { global $xmlrpcTypes; $rs=''; $ar=$o->me; reset($ar); list($typ, $val) = each($ar); $rs.='<value>'; $rs.=$this->serializedata($typ, $val); $rs.="</value>\n"; return $rs; } function structmem($m) { $nv=$this->me['struct'][$m]; return $nv; } function structreset() { reset($this->me['struct']); } function structeach() { return each($this->me['struct']); } function getval() { // UNSTABLE global $xmlrpcBoolean, $xmlrpcBase64; reset($this->me); list($a,$b)=each($this->me); // contributed by I Sofer, 2001-03-24 // add support for nested arrays to scalarval // i've created a new method here, so as to // preserve back compatibility if (is_array($b)) { @reset($b); while(list($id,$cont) = @each($b)) { $b[$id] = $cont->scalarval(); } } // add support for structures directly encoding php objects if (is_object($b)) { $t = get_object_vars($b); @reset($t); while(list($id,$cont) = @each($t)) { $t[$id] = $cont->scalarval(); } @reset($t); while(list($id,$cont) = @each($t)) { eval('$b->'.$id.' = $cont;'); } } // end contrib return $b; } function scalarval() { global $xmlrpcBoolean, $xmlrpcBase64; reset($this->me); list($a,$b)=each($this->me); return $b; } function scalartyp() { global $xmlrpcI4, $xmlrpcInt; reset($this->me); list($a,$b)=each($this->me); if ($a==$xmlrpcI4) { $a=$xmlrpcInt; } return $a; } function arraymem($m) { $nv=$this->me['array'][$m]; return $nv; } function arraysize() { reset($this->me); list($a,$b)=each($this->me); return sizeof($b); } } // date helpers function iso8601_encode($timet, $utc=0) { // return an ISO8601 encoded string // really, timezones ought to be supported // but the XML-RPC spec says: // // "Don't assume a timezone. It should be specified by the server in its // documentation what assumptions it makes about timezones." // // these routines always assume localtime unless // $utc is set to 1, in which case UTC is assumed // and an adjustment for locale is made when encoding if (!$utc) { $t=strftime("%Y%m%dT%H:%M:%S", $timet); } else { if (function_exists('gmstrftime')) { // gmstrftime doesn't exist in some versions // of PHP $t=gmstrftime("%Y%m%dT%H:%M:%S", $timet); } else { $t=strftime("%Y%m%dT%H:%M:%S", $timet-date('Z')); } } return $t; } function iso8601_decode($idate, $utc=0) { // return a timet in the localtime, or UTC $t=0; if (ereg("([0-9]{4})([0-9]{2})([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})", $idate, $regs)) { if ($utc) { $t=gmmktime($regs[4], $regs[5], $regs[6], $regs[2], $regs[3], $regs[1]); } else { $t=mktime($regs[4], $regs[5], $regs[6], $regs[2], $regs[3], $regs[1]); } } return $t; } /**************************************************************** * xmlrpc_decode takes a message in PHP xmlrpc object format and * * tranlates it into native PHP types. * * * * author: Dan Libby (dan@libby.com) * ****************************************************************/ function xmlrpc_decode($xmlrpc_val) { $kind = $xmlrpc_val->kindOf(); if($kind == 'scalar') { return $xmlrpc_val->scalarval(); } elseif($kind == 'array') { $size = $xmlrpc_val->arraysize(); $arr = array(); for($i = 0; $i < $size; $i++) { $arr[]=xmlrpc_decode($xmlrpc_val->arraymem($i)); } return $arr; } elseif($kind == 'struct') { $xmlrpc_val->structreset(); $arr = array(); while(list($key,$value)=$xmlrpc_val->structeach()) { $arr[$key] = xmlrpc_decode($value); } return $arr; } } /**************************************************************** * xmlrpc_encode takes native php types and encodes them into * * xmlrpc PHP object format. * * BUG: All sequential arrays are turned into structs. I don't * * know of a good way to determine if an array is sequential * * only. * * * * feature creep -- could support more types via optional type * * argument. * * * * author: Dan Libby (dan@libby.com) * ****************************************************************/ function xmlrpc_encode($php_val) { global $xmlrpcInt; global $xmlrpcDouble; global $xmlrpcString; global $xmlrpcArray; global $xmlrpcStruct; global $xmlrpcBoolean; $type = gettype($php_val); $xmlrpc_val = new xmlrpcval; switch($type) { case 'array': case 'object': $arr = array(); while (list($k,$v) = each($php_val)) { $arr[$k] = xmlrpc_encode($v); } $xmlrpc_val->addStruct($arr); break; case 'integer': $xmlrpc_val->addScalar($php_val, $xmlrpcInt); break; case 'double': $xmlrpc_val->addScalar($php_val, $xmlrpcDouble); break; case 'string': $xmlrpc_val->addScalar($php_val, $xmlrpcString); break; // <G_Giunta_2001-02-29> // Add support for encoding/decoding of booleans, since they are supported in PHP case 'boolean': $xmlrpc_val->addScalar($php_val, $xmlrpcBoolean); break; // </G_Giunta_2001-02-29> case 'unknown type': default: // giancarlo pinerolo <ping@alt.it> // it has to return // an empty object in case (which is already // at this point), not a boolean. break; } return $xmlrpc_val; } ?>