euc/nucleus/libs/xmlrpc.inc.php

   1 <?php                                   // -*-c++-*-
   2 // by Edd Dumbill (C) 1999-2001
   3 // <edd@usefulinc.com>
   4 // $Id: xmlrpc.inc.php,v 1.1.1.1 2005-02-28 07:14:15 kimitake Exp $
   5
   6 /*
   7         Modifications made for use with Nucleus:
   8
   9         renamed methods:
  10         xmlrpc_encode -> _xmlrpc_encode
  11         xmlrpc_decode -> _xmlrpc_decode
  12 */
  13
  14
  15 // Copyright (c) 1999,2000,2001 Edd Dumbill.
  16 // All rights reserved.
  17 //
  18 // Redistribution and use in source and binary forms, with or without
  19 // modification, are permitted provided that the following conditions
  20 // are met:
  21 //
  22 //    * Redistributions of source code must retain the above copyright
  23 //      notice, this list of conditions and the following disclaimer.
  24 //
  25 //    * Redistributions in binary form must reproduce the above
  26 //      copyright notice, this list of conditions and the following
  27 //      disclaimer in the documentation and/or other materials provided
  28 //      with the distribution.
  29 //
  30 //    * Neither the name of the "XML-RPC for PHP" nor the names of its
  31 //      contributors may be used to endorse or promote products derived
  32 //      from this software without specific prior written permission.
  33 //
  34 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  35 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  36 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  37 // FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  38 // REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  39 // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  40 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  41 // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  42 // HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  43 // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  44 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  45 // OF THE POSSIBILITY OF SUCH DAMAGE.
  46
  47 if (!function_exists('xml_parser_create')) {
  48 // Win 32 fix. From: "Leo West" <lwest@imaginet.fr>
  49         if($WINDIR) {
  50                 dl("php3_xml.dll");
  51         } else {
  52                 dl("xml.so");
  53         }
  54 }
  55
  56 $xmlrpcI4="i4";
  57 $xmlrpcInt="int";
  58 $xmlrpcBoolean="boolean";
  59 $xmlrpcDouble="double";
  60 $xmlrpcString="string";
  61 $xmlrpcDateTime="dateTime.iso8601";
  62 $xmlrpcBase64="base64";
  63 $xmlrpcArray="array";
  64 $xmlrpcStruct="struct";
  65
  66
  67 $xmlrpcTypes=array($xmlrpcI4 => 1,
  68                                    $xmlrpcInt => 1,
  69                                    $xmlrpcBoolean => 1,
  70                                    $xmlrpcString => 1,
  71                                    $xmlrpcDouble => 1,
  72                                    $xmlrpcDateTime => 1,
  73                                    $xmlrpcBase64 => 1,
  74                                    $xmlrpcArray => 2,
  75                                    $xmlrpcStruct => 3);
  76
  77 $xmlEntities=array(      "amp" => "&",
  78                                                                          "quot" => '"',
  79                                                                          "lt" => "<",
  80                                                                          "gt" => ">",
  81                                                                          "apos" => "'");
  82
  83 $xmlrpcerr["unknown_method"]=1;
  84 $xmlrpcstr["unknown_method"]="Unknown method";
  85 $xmlrpcerr["invalid_return"]=2;
  86 $xmlrpcstr["invalid_return"]="Invalid return payload: enabling debugging to examine incoming payload";
  87 $xmlrpcerr["incorrect_params"]=3;
  88 $xmlrpcstr["incorrect_params"]="Incorrect parameters passed to method";
  89 $xmlrpcerr["introspect_unknown"]=4;
  90 $xmlrpcstr["introspect_unknown"]="Can't introspect: method unknown";
  91 $xmlrpcerr["http_error"]=5;
  92 $xmlrpcstr["http_error"]="Didn't receive 200 OK from remote server.";
  93 $xmlrpcerr["no_data"]=6;
  94 $xmlrpcstr["no_data"]="No data received from server.";
  95 $xmlrpcerr["no_ssl"]=7;
  96 $xmlrpcstr["no_ssl"]="No SSL support compiled in.";
  97 $xmlrpcerr["curl_fail"]=8;
  98 $xmlrpcstr["curl_fail"]="CURL error";
  99
 100 $xmlrpc_defencoding="UTF-8";
 101
 102 $xmlrpcName="XML-RPC for PHP";
 103 $xmlrpcVersion="1.02";
 104
 105 // let user errors start at 800
 106 $xmlrpcerruser=800;
 107 // let XML parse errors start at 100
 108 $xmlrpcerrxml=100;
 109
 110 // formulate backslashes for escaping regexp
 111 $xmlrpc_backslash=chr(92).chr(92);
 112
 113 // used to store state during parsing
 114 // quick explanation of components:
 115 //   st - used to build up a string for evaluation
 116 //   ac - used to accumulate values
 117 //   qt - used to decide if quotes are needed for evaluation
 118 //   cm - used to denote struct or array (comma needed)
 119 //   isf - used to indicate a fault
 120 //   lv - used to indicate "looking for a value": implements
 121 //        the logic to allow values with no types to be strings
 122 //   params - used to store parameters in method calls
 123 //   method - used to store method name
 124
 125 $_xh=array();
 126
 127 function xmlrpc_entity_decode($string) {
 128   $top=split("&", $string);
 129   $op="";
 130   $i=0;
 131   while($i<sizeof($top)) {
 132         if (ereg("^([#a-zA-Z0-9]+);", $top[$i], $regs)) {
 133           $op.=ereg_replace("^[#a-zA-Z0-9]+;",
 134                                                 xmlrpc_lookup_entity($regs[1]),
 135                                                                                         $top[$i]);
 136         } else {
 137           if ($i==0)
 138                 $op=$top[$i];
 139           else
 140                 $op.="&" . $top[$i];
 141         }
 142         $i++;
 143   }
 144   return $op;
 145 }
 146
 147 function xmlrpc_lookup_entity($ent) {
 148   global $xmlEntities;
 149
 150   if (isset($xmlEntities[strtolower($ent)]))
 151         return $xmlEntities[strtolower($ent)];
 152   if (ereg("^#([0-9]+)$", $ent, $regs))
 153         return chr($regs[1]);
 154   return "?";
 155 }
 156
 157 function xmlrpc_se($parser, $name, $attrs) {
 158         global $_xh, $xmlrpcDateTime, $xmlrpcString;
 159
 160         switch($name) {
 161         case "STRUCT":
 162         case "ARRAY":
 163           $_xh[$parser]['st'].="array(";
 164           $_xh[$parser]['cm']++;
 165                 // this last line turns quoting off
 166                 // this means if we get an empty array we'll
 167                 // simply get a bit of whitespace in the eval
 168                 $_xh[$parser]['qt']=0;
 169           break;
 170         case "NAME":
 171           $_xh[$parser]['st'].="'"; $_xh[$parser]['ac']="";
 172           break;
 173         case "FAULT":
 174           $_xh[$parser]['isf']=1;
 175           break;
 176         case "PARAM":
 177           $_xh[$parser]['st']="";
 178           break;
 179         case "VALUE":
 180           $_xh[$parser]['st'].="new xmlrpcval(";
 181                 $_xh[$parser]['vt']=$xmlrpcString;
 182                 $_xh[$parser]['ac']="";
 183                 $_xh[$parser]['qt']=0;
 184           $_xh[$parser]['lv']=1;
 185           // look for a value: if this is still 1 by the
 186           // time we reach the first data segment then the type is string
 187           // by implication and we need to add in a quote
 188                 break;
 189
 190         case "I4":
 191         case "INT":
 192         case "STRING":
 193         case "BOOLEAN":
 194         case "DOUBLE":
 195         case "DATETIME.ISO8601":
 196         case "BASE64":
 197           $_xh[$parser]['ac']=""; // reset the accumulator
 198
 199           if ($name=="DATETIME.ISO8601" || $name=="STRING") {
 200                         $_xh[$parser]['qt']=1;
 201                         if ($name=="DATETIME.ISO8601")
 202                                 $_xh[$parser]['vt']=$xmlrpcDateTime;
 203           } else if ($name=="BASE64") {
 204                         $_xh[$parser]['qt']=2;
 205                 } else {
 206                         // No quoting is required here -- but
 207                         // at the end of the element we must check
 208                         // for data format errors.
 209                         $_xh[$parser]['qt']=0;
 210           }
 211                 break;
 212         case "MEMBER":
 213                 $_xh[$parser]['ac']="";
 214           break;
 215         default:
 216                 break;
 217         }
 218
 219         if ($name!="VALUE") $_xh[$parser]['lv']=0;
 220 }
 221
 222 function xmlrpc_ee($parser, $name) {
 223         global $_xh,$xmlrpcTypes,$xmlrpcString;
 224
 225         switch($name) {
 226         case "STRUCT":
 227         case "ARRAY":
 228           if ($_xh[$parser]['cm'] && substr($_xh[$parser]['st'], -1) ==',') {
 229                 $_xh[$parser]['st']=substr($_xh[$parser]['st'],0,-1);
 230           }
 231           $_xh[$parser]['st'].=")";
 232           $_xh[$parser]['vt']=strtolower($name);
 233           $_xh[$parser]['cm']--;
 234           break;
 235         case "NAME":
 236           $_xh[$parser]['st'].= $_xh[$parser]['ac'] . "' => ";
 237           break;
 238         case "BOOLEAN":
 239                 // special case here: we translate boolean 1 or 0 into PHP
 240                 // constants true or false
 241                 if ($_xh[$parser]['ac']=='1')
 242                         $_xh[$parser]['ac']="true";
 243                 else
 244                         $_xh[$parser]['ac']="false";
 245                 $_xh[$parser]['vt']=strtolower($name);
 246                 // Drop through intentionally.
 247         case "I4":
 248         case "INT":
 249         case "STRING":
 250         case "DOUBLE":
 251         case "DATETIME.ISO8601":
 252         case "BASE64":
 253           if ($_xh[$parser]['qt']==1) {
 254                         // we use double quotes rather than single so backslashification works OK
 255                         $_xh[$parser]['st'].="\"". $_xh[$parser]['ac'] . "\"";
 256                 } else if ($_xh[$parser]['qt']==2) {
 257                         $_xh[$parser]['st'].="base64_decode('". $_xh[$parser]['ac'] . "')";
 258                 } else if ($name=="BOOLEAN") {
 259                         $_xh[$parser]['st'].=$_xh[$parser]['ac'];
 260                 } else {
 261                         // we have an I4, INT or a DOUBLE
 262                         // we must check that only 0123456789-.<space> are characters here
 263                         if (!ereg("^\-?[0123456789 \t\.]+$", $_xh[$parser]['ac'])) {
 264                                 // TODO: find a better way of throwing an error
 265                                 // than this!
 266                                 error_log("XML-RPC: non numeric value received in INT or DOUBLE");
 267                                 $_xh[$parser]['st'].="ERROR_NON_NUMERIC_FOUND";
 268                         } else {
 269                                 // it's ok, add it on
 270                                 $_xh[$parser]['st'].=$_xh[$parser]['ac'];
 271                         }
 272                 }
 273                 $_xh[$parser]['ac']=""; $_xh[$parser]['qt']=0;
 274                 $_xh[$parser]['lv']=3; // indicate we've found a value
 275           break;
 276         case "VALUE":
 277                 // deal with a string value
 278                 if (strlen($_xh[$parser]['ac'])>0 &&
 279                                 $_xh[$parser]['vt']==$xmlrpcString) {
 280                         $_xh[$parser]['st'].="\"". $_xh[$parser]['ac'] . "\"";
 281                 }
 282                 // This if() detects if no scalar was inside <VALUE></VALUE>
 283                 // and pads an empty "".
 284                 if($_xh[$parser]['st'][strlen($_xh[$parser]['st'])-1] == '(') {
 285                         $_xh[$parser]['st'].= '""';
 286                 }
 287                 $_xh[$parser]['st'].=", '" . $_xh[$parser]['vt'] . "')";
 288                 if ($_xh[$parser]['cm']) $_xh[$parser]['st'].=",";
 289                 break;
 290         case "MEMBER":
 291           $_xh[$parser]['ac']=""; $_xh[$parser]['qt']=0;
 292          break;
 293         case "DATA":
 294           $_xh[$parser]['ac']=""; $_xh[$parser]['qt']=0;
 295           break;
 296         case "PARAM":
 297           $_xh[$parser]['params'][]=$_xh[$parser]['st'];
 298           break;
 299         case "METHODNAME":
 300           $_xh[$parser]['method']=ereg_replace("^[\n\r\t ]+", "",
 301                                                                                                                                                                  $_xh[$parser]['ac']);
 302                 break;
 303         case "BOOLEAN":
 304                 // special case here: we translate boolean 1 or 0 into PHP
 305                 // constants true or false
 306                 if ($_xh[$parser]['ac']=='1')
 307                         $_xh[$parser]['ac']="true";
 308                 else
 309                         $_xh[$parser]['ac']="false";
 310                 $_xh[$parser]['vt']=strtolower($name);
 311                 break;
 312         default:
 313                 break;
 314         }
 315         // if it's a valid type name, set the type
 316         if (isset($xmlrpcTypes[strtolower($name)])) {
 317                 $_xh[$parser]['vt']=strtolower($name);
 318         }
 319
 320 }
 321
 322 function xmlrpc_cd($parser, $data)
 323 {
 324   global $_xh, $xmlrpc_backslash;
 325
 326   //if (ereg("^[\n\r \t]+$", $data)) return;
 327   // print "adding [${data}]\n";
 328
 329         if ($_xh[$parser]['lv']!=3) {
 330                 // "lookforvalue==3" means that we've found an entire value
 331                 // and should discard any further character data
 332                 if ($_xh[$parser]['lv']==1) {
 333                         // if we've found text and we're just in a <value> then
 334                         // turn quoting on, as this will be a string
 335                         $_xh[$parser]['qt']=1;
 336                         // and say we've found a value
 337                         $_xh[$parser]['lv']=2;
 338                 }
 339         // replace characters that eval would
 340         // do special things with
 341         $_xh[$parser]['ac'].=str_replace('$', '\$',
 342                 str_replace('"', '\"', str_replace(chr(92),
 343                         $xmlrpc_backslash, $data)));
 344         }
 345 }
 346
 347 function xmlrpc_dh($parser, $data)
 348 {
 349   global $_xh;
 350   if (substr($data, 0, 1) == "&" && substr($data, -1, 1) == ";") {
 351                 if ($_xh[$parser]['lv']==1) {
 352                         $_xh[$parser]['qt']=1;
 353                         $_xh[$parser]['lv']=2;
 354                 }
 355                 $_xh[$parser]['ac'].=str_replace('$', '\$',
 356                                 str_replace('"', '\"', str_replace(chr(92),
 357                                         $xmlrpc_backslash, $data)));
 358   }
 359 }
 360
 361 class xmlrpc_client {
 362   var $path;
 363   var $server;
 364   var $port;
 365   var $errno;
 366   var $errstring;
 367   var $debug=0;
 368   var $username="";
 369   var $password="";
 370   var $cert="";
 371   var $certpass="";
 372
 373   function xmlrpc_client($path, $server, $port=0) {
 374     $this->port=$port; $this->server=$server; $this->path=$path;
 375   }
 376
 377   function setDebug($in) {
 378                 if ($in) {
 379                         $this->debug=1;
 380                 } else {
 381                         $this->debug=0;
 382                 }
 383   }
 384
 385   function setCredentials($u, $p) {
 386     $this->username=$u;
 387     $this->password=$p;
 388   }
 389
 390   function setCertificate($cert, $certpass) {
 391     $this->cert = $cert;
 392     $this->certpass = $certpass;
 393   }
 394
 395   function send($msg, $timeout=0, $method='http') {
 396     // where msg is an xmlrpcmsg
 397     $msg->debug=$this->debug;
 398
 399     if ($method == 'https') {
 400       return $this->sendPayloadHTTPS($msg,
 401                                      $this->server,
 402                                      $this->port, $timeout,
 403                                      $this->username, $this->password,
 404                                      $this->cert,
 405                                      $this->certpass);
 406     } else {
 407       return $this->sendPayloadHTTP10($msg, $this->server, $this->port,
 408                                       $timeout, $this->username,
 409                                       $this->password);
 410     }
 411   }
 412
 413   function sendPayloadHTTP10($msg, $server, $port, $timeout=0,
 414                              $username="", $password="") {
 415     if ($port==0) $port=80;
 416     if($timeout>0)
 417       $fp=@fsockopen($server, $port,
 418                     $this->errno, $this->errstr, $timeout);
 419     else
 420       $fp=@fsockopen($server, $port,
 421                     $this->errno, $this->errstr);
 422     if (!$fp) {
 423       return 0;
 424     }
 425     // Only create the payload if it was not created previously
 426     if(empty($msg->payload)) $msg->createPayload();
 427
 428     // thanks to Grant Rauscher <grant7@firstworld.net>
 429     // for this
 430     $credentials="";
 431     if ($username!="") {
 432       $credentials="Authorization: Basic " .
 433         base64_encode($username . ":" . $password) . "\r\n";
 434     }
 435
 436     $op= "POST " . $this->path. " HTTP/1.0\r\nUser-Agent: PHP XMLRPC 1.0\r\n" .
 437       "Host: ". $this->server  . "\r\n" .
 438       $credentials .
 439       "Content-Type: text/xml\r\nContent-Length: " .
 440       strlen($msg->payload) . "\r\n\r\n" .
 441       $msg->payload;
 442
 443     if (!fputs($fp, $op, strlen($op))) {
 444       $this->errstr="Write error";
 445       return 0;
 446     }
 447     $resp=$msg->parseResponseFile($fp);
 448     fclose($fp);
 449     return $resp;
 450   }
 451
 452   // contributed by Justin Miller <justin@voxel.net>
 453   // requires curl to be built into PHP
 454   function sendPayloadHTTPS($msg, $server, $port, $timeout=0,
 455                             $username="", $password="", $cert="",
 456                             $certpass="") {
 457     global $xmlrpcerr, $xmlrpcstr;
 458     if ($port == 0) $port = 443;
 459
 460     // Only create the payload if it was not created previously
 461     if(empty($msg->payload)) $msg->createPayload();
 462
 463     if (!function_exists("curl_init")) {
 464       $r=new xmlrpcresp(0, $xmlrpcerr["no_ssl"],
 465                         $xmlrpcstr["no_ssl"]);
 466       return $r;
 467     }
 468
 469     $curl = curl_init("https://" . $server . ':' . $port .
 470                       $this->path);
 471
 472     curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
 473     // results into variable
 474     if ($this->debug) {
 475       curl_setopt($curl, CURLOPT_VERBOSE, 1);
 476     }
 477     curl_setopt($curl, CURLOPT_USERAGENT, 'PHP XMLRPC 1.0');
 478     // required for XMLRPC
 479     curl_setopt($curl, CURLOPT_POST, 1);
 480     // post the data
 481     curl_setopt($curl, CURLOPT_POSTFIELDS, $msg->payload);
 482     // the data
 483     curl_setopt($curl, CURLOPT_HEADER, 1);
 484     // return the header too
 485     curl_setopt($curl, CURLOPT_HTTPHEADER, array('Content-Type: text/xml'));
 486     // required for XMLRPC
 487     if ($timeout) curl_setopt($curl, CURLOPT_TIMEOUT, $timeout == 1 ? 1 :
 488                               $timeout - 1);
 489     // timeout is borked
 490     if ($username && $password) curl_setopt($curl, CURLOPT_USERPWD,
 491                                             "$username:$password");
 492     // set auth stuff
 493     if ($cert) curl_setopt($curl, CURLOPT_SSLCERT, $cert);
 494     // set cert file
 495     if ($certpass) curl_setopt($curl, CURLOPT_SSLCERTPASSWD,
 496                        $certpass);
 497     // set cert password
 498
 499     $result = curl_exec($curl);
 500
 501     if (!$result) {
 502       $resp=new xmlrpcresp(0,
 503                            $xmlrpcerr["curl_fail"],
 504                            $xmlrpcstr["curl_fail"]. ": ".
 505                            curl_error($curl));
 506     } else {
 507       $resp = $msg->parseResponse($result);
 508     }
 509     curl_close($curl);
 510     return $resp;
 511   }
 512
 513 } // end class xmlrpc_client
 514
 515 class xmlrpcresp {
 516   var $xv;
 517   var $fn;
 518   var $fs;
 519   var $hdrs;
 520
 521   function xmlrpcresp($val, $fcode=0, $fstr="") {
 522     if ($fcode!=0) {
 523       $this->xv=0;
 524       $this->fn=$fcode;
 525       $this->fs=htmlspecialchars($fstr);
 526     } else {
 527       $this->xv=$val;
 528       $this->fn=0;
 529     }
 530   }
 531
 532   function faultCode() {
 533                 if (isset($this->fn))
 534                         return $this->fn;
 535                 else
 536                         return 0;
 537         }
 538
 539   function faultString() { return $this->fs; }
 540   function value() { return $this->xv; }
 541
 542   function serialize() {
 543         $rs="<methodResponse>\n";
 544         if ($this->fn) {
 545           $rs.="<fault>
 546   <value>
 547     <struct>
 548       <member>
 549         <name>faultCode</name>
 550         <value><int>" . $this->fn . "</int></value>
 551       </member>
 552       <member>
 553         <name>faultString</name>
 554         <value><string>" . $this->fs . "</string></value>
 555       </member>
 556     </struct>
 557   </value>
 558 </fault>";
 559         } else {
 560           $rs.="<params>\n<param>\n" . $this->xv->serialize() .
 561                 "</param>\n</params>";
 562         }
 563         $rs.="\n</methodResponse>";
 564         return $rs;
 565   }
 566 }
 567
 568 class xmlrpcmsg {
 569   var $payload;
 570   var $methodname;
 571   var $params=array();
 572   var $debug=0;
 573
 574   function xmlrpcmsg($meth, $pars=0) {
 575                 $this->methodname=$meth;
 576                 if (is_array($pars) && sizeof($pars)>0) {
 577                         for($i=0; $i<sizeof($pars); $i++)
 578                                 $this->addParam($pars[$i]);
 579                 }
 580   }
 581
 582   function xml_header() {
 583         return "<" . "?xml version=\"1.0\"?".">\n<methodCall>\n";
 584   }
 585
 586   function xml_footer() {
 587         return "</methodCall>\n";
 588   }
 589
 590   function createPayload() {
 591         $this->payload=$this->xml_header();
 592         $this->payload.="<methodName>" . $this->methodname . "</methodName>\n";
 593         //      if (sizeof($this->params)) {
 594           $this->payload.="<params>\n";
 595           for($i=0; $i<sizeof($this->params); $i++) {
 596                 $p=$this->params[$i];
 597                 $this->payload.="<param>\n" . $p->serialize() .
 598                   "</param>\n";
 599           }
 600           $this->payload.="</params>\n";
 601         // }
 602         $this->payload.=$this->xml_footer();
 603         $this->payload=str_replace("\n", "\r\n", $this->payload);
 604   }
 605
 606   function method($meth="") {
 607         if ($meth!="") {
 608           $this->methodname=$meth;
 609         }
 610         return $this->methodname;
 611   }
 612
 613   function serialize() {
 614                 $this->createPayload();
 615                 return $this->payload;
 616   }
 617
 618   function addParam($par) { $this->params[]=$par; }
 619   function getParam($i) { return $this->params[$i]; }
 620   function getNumParams() { return sizeof($this->params); }
 621
 622   function parseResponseFile($fp) {
 623         $ipd="";
 624
 625         while($data=fread($fp, 32768)) {
 626           $ipd.=$data;
 627         }
 628         return $this->parseResponse($ipd);
 629   }
 630
 631   function parseResponse($data="") {
 632         global $_xh,$xmlrpcerr,$xmlrpcstr;
 633         global $xmlrpc_defencoding;
 634
 635
 636         $parser = xml_parser_create($xmlrpc_defencoding);
 637
 638         $_xh[$parser]=array();
 639
 640         $_xh[$parser]['st']="";
 641         $_xh[$parser]['cm']=0;
 642         $_xh[$parser]['isf']=0;
 643         $_xh[$parser]['ac']="";
 644         $_xh[$parser]['qt']="";
 645         $_xh[$parser]['ha']="";
 646         $_xh[$parser]['ac']="";
 647
 648         xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, true);
 649         xml_set_element_handler($parser, "xmlrpc_se", "xmlrpc_ee");
 650         xml_set_character_data_handler($parser, "xmlrpc_cd");
 651         xml_set_default_handler($parser, "xmlrpc_dh");
 652         $xmlrpc_value=new xmlrpcval;
 653
 654         if ($this->debug)
 655           print "<PRE>---GOT---\n" . htmlspecialchars($data) .
 656                 "\n---END---\n</PRE>";
 657         if ($data=="") {
 658           error_log("No response received from server.");
 659           $r=new xmlrpcresp(0, $xmlrpcerr["no_data"],
 660                             $xmlrpcstr["no_data"]);
 661           xml_parser_free($parser);
 662           return $r;
 663         }
 664         // see if we got an HTTP 200 OK, else bomb
 665         // but only do this if we're using the HTTP protocol.
 666         if (ereg("^HTTP",$data) &&
 667                         !ereg("^HTTP/[0-9\.]+ 200 ", $data)) {
 668                 $errstr= substr($data, 0, strpos($data, "\n")-1);
 669                 error_log("HTTP error, got response: " .$errstr);
 670                 $r=new xmlrpcresp(0, $xmlrpcerr["http_error"],
 671                                   $xmlrpcstr["http_error"]. " (" . $errstr . ")");
 672                 xml_parser_free($parser);
 673                 return $r;
 674         }
 675
 676         // if using HTTP, then gotta get rid of HTTP headers here
 677         // and we store them in the 'ha' bit of our data array
 678         if (ereg("^HTTP", $data)) {
 679                 $ar=explode("\r\n", $data);
 680                 $newdata="";
 681                 $hdrfnd=0;
 682                 for ($i=0; $i<sizeof($ar); $i++) {
 683                         if (!$hdrfnd) {
 684                                 if (strlen($ar[$i])>0) {
 685                                         $_xh[$parser]['ha'].=$ar[$i]. "\r\n";
 686                                 } else {
 687                                         $hdrfnd=1;
 688                                 }
 689                         } else {
 690                                 $newdata.=$ar[$i] . "\r\n";
 691                         }
 692                 }
 693                 $data=$newdata;
 694         }
 695
 696         if (!xml_parse($parser, $data, sizeof($data))) {
 697                 // thanks to Peter Kocks <peter.kocks@baygate.com>
 698                 if((xml_get_current_line_number($parser)) == 1)
 699                         $errstr = "XML error at line 1, check URL";
 700                 else
 701                         $errstr = sprintf("XML error: %s at line %d",
 702                                                                                                 xml_error_string(xml_get_error_code($parser)),
 703                                                                                                 xml_get_current_line_number($parser));
 704                 error_log($errstr);
 705                 $r=new xmlrpcresp(0, $xmlrpcerr["invalid_return"],
 706                                                                                         $xmlrpcstr["invalid_return"]);
 707                 xml_parser_free($parser);
 708                 return $r;
 709         }
 710         xml_parser_free($parser);
 711         if ($this->debug) {
 712           print "<PRE>---EVALING---[" .
 713                 strlen($_xh[$parser]['st']) . " chars]---\n" .
 714                 htmlspecialchars($_xh[$parser]['st']) . ";\n---END---</PRE>";
 715         }
 716         if (strlen($_xh[$parser]['st'])==0) {
 717           // then something odd has happened
 718           // and it's time to generate a client side error
 719           // indicating something odd went on
 720           $r=new xmlrpcresp(0, $xmlrpcerr["invalid_return"],
 721                                                 $xmlrpcstr["invalid_return"]);
 722         } else {
 723           eval('$v=' . $_xh[$parser]['st'] . '; $allOK=1;');
 724           if ($_xh[$parser]['isf']) {
 725                 $f=$v->structmem("faultCode");
 726                 $fs=$v->structmem("faultString");
 727                 $r=new xmlrpcresp($v, $f->scalarval(),
 728                                                   $fs->scalarval());
 729           } else {
 730                 $r=new xmlrpcresp($v);
 731           }
 732         }
 733         $r->hdrs=split("\r?\n", $_xh[$parser]['ha']);
 734         return $r;
 735   }
 736
 737 }
 738
 739 class xmlrpcval {
 740   var $me=array();
 741   var $mytype=0;
 742
 743   function xmlrpcval($val=-1, $type="") {
 744                 global $xmlrpcTypes;
 745                 $this->me=array();
 746                 $this->mytype=0;
 747                 if ($val!=-1 || $type!="") {
 748                         if ($type=="") $type="string";
 749                         if ($xmlrpcTypes[$type]==1) {
 750                                 $this->addScalar($val,$type);
 751                         }
 752           else if ($xmlrpcTypes[$type]==2)
 753                         $this->addArray($val);
 754                         else if ($xmlrpcTypes[$type]==3)
 755                                 $this->addStruct($val);
 756                 }
 757   }
 758
 759   function addScalar($val, $type="string") {
 760                 global $xmlrpcTypes, $xmlrpcBoolean;
 761
 762                 if ($this->mytype==1) {
 763                         echo "<B>xmlrpcval</B>: scalar can have only one value<BR>";
 764                         return 0;
 765                 }
 766                 $typeof=$xmlrpcTypes[$type];
 767                 if ($typeof!=1) {
 768                         echo "<B>xmlrpcval</B>: not a scalar type (${typeof})<BR>";
 769                         return 0;
 770                 }
 771
 772                 if ($type==$xmlrpcBoolean) {
 773                         if (strcasecmp($val,"true")==0 ||
 774                                         $val==1 || ($val==true &&
 775                                                                                         strcasecmp($val,"false"))) {
 776                                 $val=1;
 777                         } else {
 778                                 $val=0;
 779                         }
 780                 }
 781
 782                 if ($this->mytype==2) {
 783                         // we're adding to an array here
 784                         $ar=$this->me["array"];
 785                         $ar[]=new xmlrpcval($val, $type);
 786                         $this->me["array"]=$ar;
 787                 } else {
 788                         // a scalar, so set the value and remember we're scalar
 789                         $this->me[$type]=$val;
 790                         $this->mytype=$typeof;
 791                 }
 792                 return 1;
 793   }
 794
 795   function addArray($vals) {
 796                 global $xmlrpcTypes;
 797                 if ($this->mytype!=0) {
 798                         echo "<B>xmlrpcval</B>: already initialized as a [" .
 799                                 $this->kindOf() . "]<BR>";
 800                         return 0;
 801                 }
 802
 803                 $this->mytype=$xmlrpcTypes["array"];
 804                 $this->me["array"]=$vals;
 805                 return 1;
 806   }
 807
 808   function addStruct($vals) {
 809         global $xmlrpcTypes;
 810         if ($this->mytype!=0) {
 811           echo "<B>xmlrpcval</B>: already initialized as a [" .
 812                 $this->kindOf() . "]<BR>";
 813           return 0;
 814         }
 815         $this->mytype=$xmlrpcTypes["struct"];
 816         $this->me["struct"]=$vals;
 817         return 1;
 818   }
 819
 820   function dump($ar) {
 821         reset($ar);
 822         while ( list( $key, $val ) = each( $ar ) ) {
 823           echo "$key => $val<br>";
 824           if ($key == 'array')
 825                 while ( list( $key2, $val2 ) = each( $val ) ) {
 826                   echo "-- $key2 => $val2<br>";
 827                 }
 828         }
 829   }
 830
 831   function kindOf() {
 832         switch($this->mytype) {
 833         case 3:
 834           return "struct";
 835           break;
 836         case 2:
 837           return "array";
 838           break;
 839         case 1:
 840           return "scalar";
 841           break;
 842         default:
 843           return "undef";
 844         }
 845   }
 846
 847   function serializedata($typ, $val) {
 848                 $rs="";
 849                 global $xmlrpcTypes, $xmlrpcBase64, $xmlrpcString,
 850                         $xmlrpcBoolean;
 851                 switch($xmlrpcTypes[$typ]) {
 852                 case 3:
 853                         // struct
 854                         $rs.="<struct>\n";
 855                         reset($val);
 856                         while(list($key2, $val2)=each($val)) {
 857                                 $rs.="<member><name>${key2}</name>\n";
 858                                 $rs.=$this->serializeval($val2);
 859                                 $rs.="</member>\n";
 860                         }
 861                         $rs.="</struct>";
 862                         break;
 863                 case 2:
 864                         // array
 865                         $rs.="<array>\n<data>\n";
 866                         for($i=0; $i<sizeof($val); $i++) {
 867                                 $rs.=$this->serializeval($val[$i]);
 868                         }
 869                         $rs.="</data>\n</array>";
 870                         break;
 871                 case 1:
 872                         switch ($typ) {
 873                         case $xmlrpcBase64:
 874                                 $rs.="<${typ}>" . base64_encode($val) . "</${typ}>";
 875                                 break;
 876                         case $xmlrpcBoolean:
 877                                 $rs.="<${typ}>" . ($val ? "1" : "0") . "</${typ}>";
 878                                         break;
 879                         case $xmlrpcString:
 880                                 $rs.="<${typ}>" . htmlspecialchars($val). "</${typ}>";
 881                                 break;
 882                         default:
 883                                 $rs.="<${typ}>${val}</${typ}>";
 884                         }
 885                         break;
 886                 default:
 887                         break;
 888                 }
 889                 return $rs;
 890   }
 891
 892   function serialize() {
 893         return $this->serializeval($this);
 894   }
 895
 896   function serializeval($o) {
 897                 global $xmlrpcTypes;
 898                 $rs="";
 899                 $ar=$o->me;
 900                 reset($ar);
 901                 list($typ, $val) = each($ar);
 902                 $rs.="<value>";
 903                 $rs.=$this->serializedata($typ, $val);
 904                 $rs.="</value>\n";
 905                 return $rs;
 906   }
 907
 908   function structmem($m) {
 909                 $nv=$this->me["struct"][$m];
 910                 return $nv;
 911   }
 912
 913         function structreset() {
 914                 reset($this->me["struct"]);
 915         }
 916
 917         function structeach() {
 918                 return each($this->me["struct"]);
 919         }
 920
 921   function getval() {
 922                 // UNSTABLE
 923                 global $xmlrpcBoolean, $xmlrpcBase64;
 924                 reset($this->me);
 925                 list($a,$b)=each($this->me);
 926                 // contributed by I Sofer, 2001-03-24
 927                 // add support for nested arrays to scalarval
 928                 // i've created a new method here, so as to
 929                 // preserve back compatibility
 930
 931                 if (is_array($b))    {
 932                         foreach ($b as $id => $cont) {
 933                                 $b[$id] = $cont->scalarval();
 934                         }
 935                 }
 936
 937                 // add support for structures directly encoding php objects
 938                 if (is_object($b))  {
 939                         $t = get_object_vars($b);
 940                         foreach ($t as $id => $cont) {
 941                                 $t[$id] = $cont->scalarval();
 942                         }
 943                         foreach ($t as $id => $cont) {
 944                                 eval('$b->'.$id.' = $cont;');
 945                         }
 946                 }
 947                 // end contrib
 948                 return $b;
 949   }
 950
 951   function scalarval() {
 952                 global $xmlrpcBoolean, $xmlrpcBase64;
 953                 reset($this->me);
 954                 list($a,$b)=each($this->me);
 955                 return $b;
 956   }
 957
 958   function scalartyp() {
 959                 global $xmlrpcI4, $xmlrpcInt;
 960                 reset($this->me);
 961                 list($a,$b)=each($this->me);
 962                 if ($a==$xmlrpcI4)
 963                         $a=$xmlrpcInt;
 964                 return $a;
 965   }
 966
 967   function arraymem($m) {
 968                 $nv=$this->me["array"][$m];
 969                 return $nv;
 970   }
 971
 972   function arraysize() {
 973                 reset($this->me);
 974                 list($a,$b)=each($this->me);
 975                 return sizeof($b);
 976   }
 977 }
 978
 979 // date helpers
 980 function iso8601_encode($timet, $utc=0) {
 981         // return an ISO8601 encoded string
 982         // really, timezones ought to be supported
 983         // but the XML-RPC spec says:
 984         //
 985         // "Don't assume a timezone. It should be specified by the server in its
 986   // documentation what assumptions it makes about timezones."
 987         //
 988         // these routines always assume localtime unless
 989         // $utc is set to 1, in which case UTC is assumed
 990         // and an adjustment for locale is made when encoding
 991         if (!$utc) {
 992                 $t=strftime("%Y%m%dT%H:%M:%S", $timet);
 993         } else {
 994                 if (function_exists("gmstrftime"))
 995                         // gmstrftime doesn't exist in some versions
 996                         // of PHP
 997                         $t=gmstrftime("%Y%m%dT%H:%M:%S", $timet);
 998                 else {
 999                         $t=strftime("%Y%m%dT%H:%M:%S", $timet-date("Z"));
1000                 }
1001         }
1002         return $t;
1003 }
1004
1005 function iso8601_decode($idate, $utc=0) {
1006         // return a timet in the localtime, or UTC
1007         $t=0;
1008         if (ereg("([0-9]{4})([0-9]{2})([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})",
1009                                          $idate, $regs)) {
1010                 if ($utc) {
1011                         $t=gmmktime($regs[4], $regs[5], $regs[6], $regs[2], $regs[3], $regs[1]);
1012                 } else {
1013                         $t=mktime($regs[4], $regs[5], $regs[6], $regs[2], $regs[3], $regs[1]);
1014                 }
1015         }
1016         return $t;
1017 }
1018
1019 /****************************************************************
1020 * xmlrpc_decode takes a message in PHP xmlrpc object format and *
1021 * tranlates it into native PHP types.                           *
1022 *                                                               *
1023 * author: Dan Libby (dan@libby.com)                             *
1024 ****************************************************************/
1025 function _xmlrpc_decode($xmlrpc_val) {
1026    $kind = $xmlrpc_val->kindOf();
1027
1028    if($kind == "scalar") {
1029       return $xmlrpc_val->scalarval();
1030    }
1031    else if($kind == "array") {
1032       $size = $xmlrpc_val->arraysize();
1033       $arr = array();
1034
1035       for($i = 0; $i < $size; $i++) {
1036          $arr[]=_xmlrpc_decode($xmlrpc_val->arraymem($i));
1037       }
1038       return $arr;
1039    }
1040    else if($kind == "struct") {
1041       $xmlrpc_val->structreset();
1042       $arr = array();
1043
1044       while(list($key,$value)=$xmlrpc_val->structeach()) {
1045          $arr[$key] = _xmlrpc_decode($value);
1046       }
1047       return $arr;
1048    }
1049 }
1050
1051 /****************************************************************
1052 * xmlrpc_encode takes native php types and encodes them into    *
1053 * xmlrpc PHP object format.                                     *
1054 * BUG: All sequential arrays are turned into structs.  I don't  *
1055 * know of a good way to determine if an array is sequential     *
1056 * only.                                                         *
1057 *                                                               *
1058 * feature creep -- could support more types via optional type   *
1059 * argument.                                                     *
1060 *                                                               *
1061 * author: Dan Libby (dan@libby.com)                             *
1062 ****************************************************************/
1063 function _xmlrpc_encode($php_val) {
1064    global $xmlrpcInt;
1065    global $xmlrpcDouble;
1066    global $xmlrpcString;
1067    global $xmlrpcArray;
1068    global $xmlrpcStruct;
1069    global $xmlrpcBoolean;
1070
1071    $type = gettype($php_val);
1072    $xmlrpc_val = new xmlrpcval;
1073
1074    switch($type) {
1075       case "array":
1076       case "object":
1077          $arr = array();
1078          while (list($k,$v) = each($php_val)) {
1079             $arr[$k] = _xmlrpc_encode($v);
1080          }
1081          $xmlrpc_val->addStruct($arr);
1082          break;
1083       case "integer":
1084          $xmlrpc_val->addScalar($php_val, $xmlrpcInt);
1085          break;
1086       case "double":
1087          $xmlrpc_val->addScalar($php_val, $xmlrpcDouble);
1088          break;
1089       case "string":
1090          $xmlrpc_val->addScalar($php_val, $xmlrpcString);
1091          break;
1092 // <G_Giunta_2001-02-29>
1093 // Add support for encoding/decoding of booleans, since they are supported in PHP
1094       case "boolean":
1095          $xmlrpc_val->addScalar($php_val, $xmlrpcBoolean);
1096          break;
1097 // </G_Giunta_2001-02-29>
1098       case "unknown type":
1099       default:
1100         // giancarlo pinerolo <ping@alt.it>
1101         // it has to return
1102         // an empty object in case (which is already
1103         // at this point), not a boolean.
1104         break;
1105    }
1106    return $xmlrpc_val;
1107 }
1108
1109 ?>