xmlrpc.inc 30.3 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
<?php          // -*-c++-*-
// by Edd Dumbill (C) 1999-2001
// <edd@usefulinc.com>
// $Id$


// Copyright (c) 1999,2000,2001 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";

$xmlrpc_defencoding="UTF-8";

$xmlrpcName="XML-RPC for PHP";
$xmlrpcVersion="1.01";

// 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']=$xmlrpcDateTime;
    } else if ($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'] . "\"";
    } else if ($_xh[$parser]['qt']==2) {
      $_xh[$parser]['st'].="base64_decode('". $_xh[$parser]['ac'] . "')";
    } else if ($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;
    }
  // replace characters that eval would
  // do special things with
  $_xh[$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="";

  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 send($msg, $timeout=0, $method='http') {
    // 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="", $password="") {
    if ($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) {
      return 0;
    }
    // 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";
      return 0;
    }
    $resp=$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")) {
      $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($curl, CURLOPT_HTTPHEADER, array('Content-Type: text/xml'));
    // required for XMLRPC
    if ($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) {
      $resp=new xmlrpcresp(0,
         $xmlrpcerr["curl_fail"],
         $xmlrpcstr["curl_fail"]. ": ".
         curl_error($curl));
    } else {
      $resp = $msg->parseResponse($result);
    }
    curl_close($curl);
    return $resp;
  }

} // end class xmlrpc_client

class xmlrpcresp {
  var $xv;
  var $fn;
  var $fs;
  var $hdrs;

  function xmlrpcresp($val, $fcode=0, $fstr="") {
    if ($fcode!=0) {
      $this->xv=0;
      $this->fn=$fcode;
      $this->fs=htmlspecialchars($fstr);
    } else {
      $this->xv=$val;
      $this->fn=0;
    }
  }

  function faultCode() {
    if (isset($this->fn))
      return $this->fn;
    else
      return 0;
  }

  function faultString() { return $this->fs; }
  function value() { return $this->xv; }

  function serialize() {
  $rs="<methodResponse>\n";
  if ($this->fn) {
    $rs.="<fault>
  <value>
    <struct>
      <member>
        <name>faultCode</name>
        <value><int>" . $this->fn . "</int></value>
      </member>
      <member>
        <name>faultString</name>
        <value><string>" . $this->fs . "</string></value>
      </member>
    </struct>
  </value>
</fault>";
  } else {
    $rs.="<params>\n<param>\n" . $this->xv->serialize() .
    "</param>\n</params>";
  }
  $rs.="\n</methodResponse>";
  return $rs;
  }
}

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']="";

  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)
    print "<PRE>---GOT---\n" . htmlspecialchars($data) .
    "\n---END---\n</PRE>";
  if ($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 $r;
  }
  // gotta get rid of headers here
  if ((!$hdrfnd) && ereg("^(.*)\r\n\r\n",$data,$_xh[$parser]['ha'])) {
    $data=ereg_replace("^.*\r\n\r\n", "", $data);
    $hdrfnd=1;
  }

  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);
    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']) {
    $f=$v->structmem("faultCode");
    $fs=$v->structmem("faultString");
    $r=new xmlrpcresp($v, $f->scalarval(),
              $fs->scalarval());
    } else {
    $r=new xmlrpcresp($v);
    }
  }
  $r->hdrs=split("\r?\n", $_xh[$parser]['ha'][1]);
  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,$type);
      }
    else if ($xmlrpcTypes[$type]==2)
      $this->addArray($val);
      else if ($xmlrpcTypes[$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($b))    {
      foreach ($b as $id => $cont) {
        $b[$id] = $cont->scalarval();
      }
    }

    // add support for structures directly encoding php objects
    if (is_object($b))  {
      $t = get_object_vars($b);
      foreach ($t as $id => $cont) {
        $t[$id] = $cont->scalarval();
      }
      foreach ($t as $id => $cont) {
        eval('$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)                             *
****************************************************************/