about summary refs log tree commit diff stats
path: root/includes/xmlrpc/xmlrpc.inc
diff options
context:
space:
mode:
Diffstat (limited to 'includes/xmlrpc/xmlrpc.inc')
-rw-r--r--includes/xmlrpc/xmlrpc.inc3705
1 files changed, 3705 insertions, 0 deletions
diff --git a/includes/xmlrpc/xmlrpc.inc b/includes/xmlrpc/xmlrpc.inc new file mode 100644 index 0000000..06c6e44 --- /dev/null +++ b/includes/xmlrpc/xmlrpc.inc
@@ -0,0 +1,3705 @@
1<?php
2// by Edd Dumbill (C) 1999-2002
3// <edd@usefulinc.com>
4// $Id: xmlrpc.inc,v 1.169 2008/03/06 18:47:24 ggiunta Exp $
5
6// Copyright (c) 1999,2000,2002 Edd Dumbill.
7// All rights reserved.
8//
9// Redistribution and use in source and binary forms, with or without
10// modification, are permitted provided that the following conditions
11// are met:
12//
13// * Redistributions of source code must retain the above copyright
14// notice, this list of conditions and the following disclaimer.
15//
16// * Redistributions in binary form must reproduce the above
17// copyright notice, this list of conditions and the following
18// disclaimer in the documentation and/or other materials provided
19// with the distribution.
20//
21// * Neither the name of the "XML-RPC for PHP" nor the names of its
22// contributors may be used to endorse or promote products derived
23// from this software without specific prior written permission.
24//
25// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
28// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
29// REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
30// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
31// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
32// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
34// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
36// OF THE POSSIBILITY OF SUCH DAMAGE.
37
38 if(!function_exists('xml_parser_create'))
39 {
40 // For PHP 4 onward, XML functionality is always compiled-in on windows:
41 // no more need to dl-open it. It might have been compiled out on *nix...
42 if(strtoupper(substr(PHP_OS, 0, 3) != 'WIN'))
43 {
44 dl('xml.so');
45 }
46 }
47
48 // Try to be backward compat with php < 4.2 (are we not being nice ?)
49 $phpversion = phpversion();
50 if($phpversion[0] == '4' && $phpversion[2] < 2)
51 {
52 // give an opportunity to user to specify where to include other files from
53 if(!defined('PHP_XMLRPC_COMPAT_DIR'))
54 {
55 define('PHP_XMLRPC_COMPAT_DIR',dirname(__FILE__).'/compat/');
56 }
57 if($phpversion[2] == '0')
58 {
59 if($phpversion[4] < 6)
60 {
61 include(PHP_XMLRPC_COMPAT_DIR.'is_callable.php');
62 }
63 include(PHP_XMLRPC_COMPAT_DIR.'is_scalar.php');
64 include(PHP_XMLRPC_COMPAT_DIR.'array_key_exists.php');
65 include(PHP_XMLRPC_COMPAT_DIR.'version_compare.php');
66 }
67 include(PHP_XMLRPC_COMPAT_DIR.'var_export.php');
68 include(PHP_XMLRPC_COMPAT_DIR.'is_a.php');
69 }
70
71 // G. Giunta 2005/01/29: declare global these variables,
72 // so that xmlrpc.inc will work even if included from within a function
73 // Milosch: 2005/08/07 - explicitly request these via $GLOBALS where used.
74 $GLOBALS['xmlrpcI4']='i4';
75 $GLOBALS['xmlrpcInt']='int';
76 $GLOBALS['xmlrpcBoolean']='boolean';
77 $GLOBALS['xmlrpcDouble']='double';
78 $GLOBALS['xmlrpcString']='string';
79 $GLOBALS['xmlrpcDateTime']='dateTime.iso8601';
80 $GLOBALS['xmlrpcBase64']='base64';
81 $GLOBALS['xmlrpcArray']='array';
82 $GLOBALS['xmlrpcStruct']='struct';
83 $GLOBALS['xmlrpcValue']='undefined';
84
85 $GLOBALS['xmlrpcTypes']=array(
86 $GLOBALS['xmlrpcI4'] => 1,
87 $GLOBALS['xmlrpcInt'] => 1,
88 $GLOBALS['xmlrpcBoolean'] => 1,
89 $GLOBALS['xmlrpcString'] => 1,
90 $GLOBALS['xmlrpcDouble'] => 1,
91 $GLOBALS['xmlrpcDateTime'] => 1,
92 $GLOBALS['xmlrpcBase64'] => 1,
93 $GLOBALS['xmlrpcArray'] => 2,
94 $GLOBALS['xmlrpcStruct'] => 3
95 );
96
97 $GLOBALS['xmlrpc_valid_parents'] = array(
98 'VALUE' => array('MEMBER', 'DATA', 'PARAM', 'FAULT'),
99 'BOOLEAN' => array('VALUE'),
100 'I4' => array('VALUE'),
101 'INT' => array('VALUE'),
102 'STRING' => array('VALUE'),
103 'DOUBLE' => array('VALUE'),
104 'DATETIME.ISO8601' => array('VALUE'),
105 'BASE64' => array('VALUE'),
106 'MEMBER' => array('STRUCT'),
107 'NAME' => array('MEMBER'),
108 'DATA' => array('ARRAY'),
109 'ARRAY' => array('VALUE'),
110 'STRUCT' => array('VALUE'),
111 'PARAM' => array('PARAMS'),
112 'METHODNAME' => array('METHODCALL'),
113 'PARAMS' => array('METHODCALL', 'METHODRESPONSE'),
114 'FAULT' => array('METHODRESPONSE'),
115 'NIL' => array('VALUE') // only used when extension activated
116 );
117
118 // define extra types for supporting NULL (useful for json or <NIL/>)
119 $GLOBALS['xmlrpcNull']='null';
120 $GLOBALS['xmlrpcTypes']['null']=1;
121
122 // Not in use anymore since 2.0. Shall we remove it?
123 /// @deprecated
124 $GLOBALS['xmlEntities']=array(
125 'amp' => '&',
126 'quot' => '"',
127 'lt' => '<',
128 'gt' => '>',
129 'apos' => "'"
130 );
131
132 // tables used for transcoding different charsets into us-ascii xml
133
134 $GLOBALS['xml_iso88591_Entities']=array();
135 $GLOBALS['xml_iso88591_Entities']['in'] = array();
136 $GLOBALS['xml_iso88591_Entities']['out'] = array();
137 for ($i = 0; $i < 32; $i++)
138 {
139 $GLOBALS['xml_iso88591_Entities']['in'][] = chr($i);
140 $GLOBALS['xml_iso88591_Entities']['out'][] = '&#'.$i.';';
141 }
142 for ($i = 160; $i < 256; $i++)
143 {
144 $GLOBALS['xml_iso88591_Entities']['in'][] = chr($i);
145 $GLOBALS['xml_iso88591_Entities']['out'][] = '&#'.$i.';';
146 }
147
148 /// @todo add to iso table the characters from cp_1252 range, i.e. 128 to 159?
149 /// These will NOT be present in true ISO-8859-1, but will save the unwary
150 /// windows user from sending junk (though no luck when reciving them...)
151 /*
152 $GLOBALS['xml_cp1252_Entities']=array();
153 for ($i = 128; $i < 160; $i++)
154 {
155 $GLOBALS['xml_cp1252_Entities']['in'][] = chr($i);
156 }
157 $GLOBALS['xml_cp1252_Entities']['out'] = array(
158 '&#x20AC;', '?', '&#x201A;', '&#x0192;',
159 '&#x201E;', '&#x2026;', '&#x2020;', '&#x2021;',
160 '&#x02C6;', '&#x2030;', '&#x0160;', '&#x2039;',
161 '&#x0152;', '?', '&#x017D;', '?',
162 '?', '&#x2018;', '&#x2019;', '&#x201C;',
163 '&#x201D;', '&#x2022;', '&#x2013;', '&#x2014;',
164 '&#x02DC;', '&#x2122;', '&#x0161;', '&#x203A;',
165 '&#x0153;', '?', '&#x017E;', '&#x0178;'
166 );
167 */
168
169 $GLOBALS['xmlrpcerr'] = array(
170 'unknown_method'=>1,
171 'invalid_return'=>2,
172 'incorrect_params'=>3,
173 'introspect_unknown'=>4,
174 'http_error'=>5,
175 'no_data'=>6,
176 'no_ssl'=>7,
177 'curl_fail'=>8,
178 'invalid_request'=>15,
179 'no_curl'=>16,
180 'server_error'=>17,
181 'multicall_error'=>18,
182 'multicall_notstruct'=>9,
183 'multicall_nomethod'=>10,
184 'multicall_notstring'=>11,
185 'multicall_recursion'=>12,
186 'multicall_noparams'=>13,
187 'multicall_notarray'=>14,
188
189 'cannot_decompress'=>103,
190 'decompress_fail'=>104,
191 'dechunk_fail'=>105,
192 'server_cannot_decompress'=>106,
193 'server_decompress_fail'=>107
194 );
195
196 $GLOBALS['xmlrpcstr'] = array(
197 'unknown_method'=>'Unknown method',
198 'invalid_return'=>'Invalid return payload: enable debugging to examine incoming payload',
199 'incorrect_params'=>'Incorrect parameters passed to method',
200 'introspect_unknown'=>"Can't introspect: method unknown",
201 'http_error'=>"Didn't receive 200 OK from remote server.",
202 'no_data'=>'No data received from server.',
203 'no_ssl'=>'No SSL support compiled in.',
204 'curl_fail'=>'CURL error',
205 'invalid_request'=>'Invalid request payload',
206 'no_curl'=>'No CURL support compiled in.',
207 'server_error'=>'Internal server error',
208 'multicall_error'=>'Received from server invalid multicall response',
209 'multicall_notstruct'=>'system.multicall expected struct',
210 'multicall_nomethod'=>'missing methodName',
211 'multicall_notstring'=>'methodName is not a string',
212 'multicall_recursion'=>'recursive system.multicall forbidden',
213 'multicall_noparams'=>'missing params',
214 'multicall_notarray'=>'params is not an array',
215
216 'cannot_decompress'=>'Received from server compressed HTTP and cannot decompress',
217 'decompress_fail'=>'Received from server invalid compressed HTTP',
218 'dechunk_fail'=>'Received from server invalid chunked HTTP',
219 'server_cannot_decompress'=>'Received from client compressed HTTP request and cannot decompress',
220 'server_decompress_fail'=>'Received from client invalid compressed HTTP request'
221 );
222
223 // The charset encoding used by the server for received messages and
224 // by the client for received responses when received charset cannot be determined
225 // or is not supported
226 $GLOBALS['xmlrpc_defencoding']='UTF-8';
227
228 // The encoding used internally by PHP.
229 // String values received as xml will be converted to this, and php strings will be converted to xml
230 // as if having been coded with this
231 $GLOBALS['xmlrpc_internalencoding']='ISO-8859-1';
232
233 $GLOBALS['xmlrpcName']='XML-RPC for PHP';
234 $GLOBALS['xmlrpcVersion']='2.2.1';
235
236 // let user errors start at 800
237 $GLOBALS['xmlrpcerruser']=800;
238 // let XML parse errors start at 100
239 $GLOBALS['xmlrpcerrxml']=100;
240
241 // formulate backslashes for escaping regexp
242 // Not in use anymore since 2.0. Shall we remove it?
243 /// @deprecated
244 $GLOBALS['xmlrpc_backslash']=chr(92).chr(92);
245
246 // set to TRUE to enable correct decoding of <NIL/> values
247 $GLOBALS['xmlrpc_null_extension']=false;
248
249 // used to store state during parsing
250 // quick explanation of components:
251 // ac - used to accumulate values
252 // isf - used to indicate a parsing fault (2) or xmlrpcresp fault (1)
253 // isf_reason - used for storing xmlrpcresp fault string
254 // lv - used to indicate "looking for a value": implements
255 // the logic to allow values with no types to be strings
256 // params - used to store parameters in method calls
257 // method - used to store method name
258 // stack - array with genealogy of xml elements names:
259 // used to validate nesting of xmlrpc elements
260 $GLOBALS['_xh']=null;
261
262 /**
263 * Convert a string to the correct XML representation in a target charset
264 * To help correct communication of non-ascii chars inside strings, regardless
265 * of the charset used when sending requests, parsing them, sending responses
266 * and parsing responses, an option is to convert all non-ascii chars present in the message
267 * into their equivalent 'charset entity'. Charset entities enumerated this way
268 * are independent of the charset encoding used to transmit them, and all XML
269 * parsers are bound to understand them.
270 * Note that in the std case we are not sending a charset encoding mime type
271 * along with http headers, so we are bound by RFC 3023 to emit strict us-ascii.
272 *
273 * @todo do a bit of basic benchmarking (strtr vs. str_replace)
274 * @todo make usage of iconv() or recode_string() or mb_string() where available
275 */
276 function xmlrpc_encode_entitites($data, $src_encoding='', $dest_encoding='')
277 {
278 if ($src_encoding == '')
279 {
280 // lame, but we know no better...
281 $src_encoding = $GLOBALS['xmlrpc_internalencoding'];
282 }
283
284 switch(strtoupper($src_encoding.'_'.$dest_encoding))
285 {
286 case 'ISO-8859-1_':
287 case 'ISO-8859-1_US-ASCII':
288 $escaped_data = str_replace(array('&', '"', "'", '<', '>'), array('&amp;', '&quot;', '&apos;', '&lt;', '&gt;'), $data);
289 $escaped_data = str_replace($GLOBALS['xml_iso88591_Entities']['in'], $GLOBALS['xml_iso88591_Entities']['out'], $escaped_data);
290 break;
291 case 'ISO-8859-1_UTF-8':
292 $escaped_data = str_replace(array('&', '"', "'", '<', '>'), array('&amp;', '&quot;', '&apos;', '&lt;', '&gt;'), $data);
293 $escaped_data = utf8_encode($escaped_data);
294 break;
295 case 'ISO-8859-1_ISO-8859-1':
296 case 'US-ASCII_US-ASCII':
297 case 'US-ASCII_UTF-8':
298 case 'US-ASCII_':
299 case 'US-ASCII_ISO-8859-1':
300 case 'UTF-8_UTF-8':
301 //case 'CP1252_CP1252':
302 $escaped_data = str_replace(array('&', '"', "'", '<', '>'), array('&amp;', '&quot;', '&apos;', '&lt;', '&gt;'), $data);
303 break;
304 case 'UTF-8_':
305 case 'UTF-8_US-ASCII':
306 case 'UTF-8_ISO-8859-1':
307 // NB: this will choke on invalid UTF-8, going most likely beyond EOF
308 $escaped_data = '';
309 // be kind to users creating string xmlrpcvals out of different php types
310 $data = (string) $data;
311 $ns = strlen ($data);
312 for ($nn = 0; $nn < $ns; $nn++)
313 {
314 $ch = $data[$nn];
315 $ii = ord($ch);
316 //1 7 0bbbbbbb (127)
317 if ($ii < 128)
318 {
319 /// @todo shall we replace this with a (supposedly) faster str_replace?
320 switch($ii){
321 case 34:
322 $escaped_data .= '&quot;';
323 break;
324 case 38:
325 $escaped_data .= '&amp;';
326 break;
327 case 39:
328 $escaped_data .= '&apos;';
329 break;
330 case 60:
331 $escaped_data .= '&lt;';
332 break;
333 case 62:
334 $escaped_data .= '&gt;';
335 break;
336 default:
337 $escaped_data .= $ch;
338 } // switch
339 }
340 //2 11 110bbbbb 10bbbbbb (2047)
341 else if ($ii>>5 == 6)
342 {
343 $b1 = ($ii & 31);
344 $ii = ord($data[$nn+1]);
345 $b2 = ($ii & 63);
346 $ii = ($b1 * 64) + $b2;
347 $ent = sprintf ('&#%d;', $ii);
348 $escaped_data .= $ent;
349 $nn += 1;
350 }
351 //3 16 1110bbbb 10bbbbbb 10bbbbbb
352 else if ($ii>>4 == 14)
353 {
354 $b1 = ($ii & 31);
355 $ii = ord($data[$nn+1]);
356 $b2 = ($ii & 63);
357 $ii = ord($data[$nn+2]);
358 $b3 = ($ii & 63);
359 $ii = ((($b1 * 64) + $b2) * 64) + $b3;
360 $ent = sprintf ('&#%d;', $ii);
361 $escaped_data .= $ent;
362 $nn += 2;
363 }
364 //4 21 11110bbb 10bbbbbb 10bbbbbb 10bbbbbb
365 else if ($ii>>3 == 30)
366 {
367 $b1 = ($ii & 31);
368 $ii = ord($data[$nn+1]);
369 $b2 = ($ii & 63);
370 $ii = ord($data[$nn+2]);
371 $b3 = ($ii & 63);
372 $ii = ord($data[$nn+3]);
373 $b4 = ($ii & 63);
374 $ii = ((((($b1 * 64) + $b2) * 64) + $b3) * 64) + $b4;
375 $ent = sprintf ('&#%d;', $ii);
376 $escaped_data .= $ent;
377 $nn += 3;
378 }
379 }
380 break;
381/*
382 case 'CP1252_':
383 case 'CP1252_US-ASCII':
384 $escaped_data = str_replace(array('&', '"', "'", '<', '>'), array('&amp;', '&quot;', '&apos;', '&lt;', '&gt;'), $data);
385 $escaped_data = str_replace($GLOBALS['xml_iso88591_Entities']['in'], $GLOBALS['xml_iso88591_Entities']['out'], $escaped_data);
386 $escaped_data = str_replace($GLOBALS['xml_cp1252_Entities']['in'], $GLOBALS['xml_cp1252_Entities']['out'], $escaped_data);
387 break;
388 case 'CP1252_UTF-8':
389 $escaped_data = str_replace(array('&', '"', "'", '<', '>'), array('&amp;', '&quot;', '&apos;', '&lt;', '&gt;'), $data);
390 /// @todo we could use real UTF8 chars here instead of xml entities... (note that utf_8 encode all allone will NOT convert them)
391 $escaped_data = str_replace($GLOBALS['xml_cp1252_Entities']['in'], $GLOBALS['xml_cp1252_Entities']['out'], $escaped_data);
392 $escaped_data = utf8_encode($escaped_data);
393 break;
394 case 'CP1252_ISO-8859-1':
395 $escaped_data = str_replace(array('&', '"', "'", '<', '>'), array('&amp;', '&quot;', '&apos;', '&lt;', '&gt;'), $data);
396 // we might as well replave all funky chars with a '?' here, but we are kind and leave it to the receiving application layer to decide what to do with these weird entities...
397 $escaped_data = str_replace($GLOBALS['xml_cp1252_Entities']['in'], $GLOBALS['xml_cp1252_Entities']['out'], $escaped_data);
398 break;
399*/
400 default:
401 $escaped_data = '';
402 error_log("Converting from $src_encoding to $dest_encoding: not supported...");
403 }
404 return $escaped_data;
405 }
406
407 /// xml parser handler function for opening element tags
408 function xmlrpc_se($parser, $name, $attrs, $accept_single_vals=false)
409 {
410 // if invalid xmlrpc already detected, skip all processing
411 if ($GLOBALS['_xh']['isf'] < 2)
412 {
413 // check for correct element nesting
414 // top level element can only be of 2 types
415 /// @todo optimization creep: save this check into a bool variable, instead of using count() every time:
416 /// there is only a single top level element in xml anyway
417 if (count($GLOBALS['_xh']['stack']) == 0)
418 {
419 if ($name != 'METHODRESPONSE' && $name != 'METHODCALL' && (
420 $name != 'VALUE' && !$accept_single_vals))
421 {
422 $GLOBALS['_xh']['isf'] = 2;
423 $GLOBALS['_xh']['isf_reason'] = 'missing top level xmlrpc element';
424 return;
425 }
426 else
427 {
428 $GLOBALS['_xh']['rt'] = strtolower($name);
429 }
430 }
431 else
432 {
433 // not top level element: see if parent is OK
434 $parent = end($GLOBALS['_xh']['stack']);
435 if (!array_key_exists($name, $GLOBALS['xmlrpc_valid_parents']) || !in_array($parent, $GLOBALS['xmlrpc_valid_parents'][$name]))
436 {
437 $GLOBALS['_xh']['isf'] = 2;
438 $GLOBALS['_xh']['isf_reason'] = "xmlrpc element $name cannot be child of $parent";
439 return;
440 }
441 }
442
443 switch($name)
444 {
445 // optimize for speed switch cases: most common cases first
446 case 'VALUE':
447 /// @todo we could check for 2 VALUE elements inside a MEMBER or PARAM element
448 $GLOBALS['_xh']['vt']='value'; // indicator: no value found yet
449 $GLOBALS['_xh']['ac']='';
450 $GLOBALS['_xh']['lv']=1;
451 $GLOBALS['_xh']['php_class']=null;
452 break;
453 case 'I4':
454 case 'INT':
455 case 'STRING':
456 case 'BOOLEAN':
457 case 'DOUBLE':
458 case 'DATETIME.ISO8601':
459 case 'BASE64':
460 if ($GLOBALS['_xh']['vt']!='value')
461 {
462 //two data elements inside a value: an error occurred!
463 $GLOBALS['_xh']['isf'] = 2;
464 $GLOBALS['_xh']['isf_reason'] = "$name element following a {$GLOBALS['_xh']['vt']} element inside a single value";
465 return;
466 }
467 $GLOBALS['_xh']['ac']=''; // reset the accumulator
468 break;
469 case 'STRUCT':
470 case 'ARRAY':
471 if ($GLOBALS['_xh']['vt']!='value')
472 {
473 //two data elements inside a value: an error occurred!
474 $GLOBALS['_xh']['isf'] = 2;
475 $GLOBALS['_xh']['isf_reason'] = "$name element following a {$GLOBALS['_xh']['vt']} element inside a single value";
476 return;
477 }
478 // create an empty array to hold child values, and push it onto appropriate stack
479 $cur_val = array();
480 $cur_val['values'] = array();
481 $cur_val['type'] = $name;
482 // check for out-of-band information to rebuild php objs
483 // and in case it is found, save it
484 if (@isset($attrs['PHP_CLASS']))
485 {
486 $cur_val['php_class'] = $attrs['PHP_CLASS'];
487 }
488 $GLOBALS['_xh']['valuestack'][] = $cur_val;
489 $GLOBALS['_xh']['vt']='data'; // be prepared for a data element next
490 break;
491 case 'DATA':
492 if ($GLOBALS['_xh']['vt']!='data')
493 {
494 //two data elements inside a value: an error occurred!
495 $GLOBALS['_xh']['isf'] = 2;
496 $GLOBALS['_xh']['isf_reason'] = "found two data elements inside an array element";
497 return;
498 }
499 case 'METHODCALL':
500 case 'METHODRESPONSE':
501 case 'PARAMS':
502 // valid elements that add little to processing
503 break;
504 case 'METHODNAME':
505 case 'NAME':
506 /// @todo we could check for 2 NAME elements inside a MEMBER element
507 $GLOBALS['_xh']['ac']='';
508 break;
509 case 'FAULT':
510 $GLOBALS['_xh']['isf']=1;
511 break;
512 case 'MEMBER':
513 $GLOBALS['_xh']['valuestack'][count($GLOBALS['_xh']['valuestack'])-1]['name']=''; // set member name to null, in case we do not find in the xml later on
514 //$GLOBALS['_xh']['ac']='';
515 // Drop trough intentionally
516 case 'PARAM':
517 // clear value type, so we can check later if no value has been passed for this param/member
518 $GLOBALS['_xh']['vt']=null;
519 break;
520 case 'NIL':
521 if ($GLOBALS['xmlrpc_null_extension'])
522 {
523 if ($GLOBALS['_xh']['vt']!='value')
524 {
525 //two data elements inside a value: an error occurred!
526 $GLOBALS['_xh']['isf'] = 2;
527 $GLOBALS['_xh']['isf_reason'] = "$name element following a {$GLOBALS['_xh']['vt']} element inside a single value";
528 return;
529 }
530 $GLOBALS['_xh']['ac']=''; // reset the accumulator
531 break;
532 }
533 // we do not support the <NIL/> extension, so
534 // drop through intentionally
535 default:
536 /// INVALID ELEMENT: RAISE ISF so that it is later recognized!!!
537 $GLOBALS['_xh']['isf'] = 2;
538 $GLOBALS['_xh']['isf_reason'] = "found not-xmlrpc xml element $name";
539 break;
540 }
541
542 // Save current element name to stack, to validate nesting
543 $GLOBALS['_xh']['stack'][] = $name;
544
545 /// @todo optimization creep: move this inside the big switch() above
546 if($name!='VALUE')
547 {
548 $GLOBALS['_xh']['lv']=0;
549 }
550 }
551 }
552
553 /// Used in decoding xml chunks that might represent single xmlrpc values
554 function xmlrpc_se_any($parser, $name, $attrs)
555 {
556 xmlrpc_se($parser, $name, $attrs, true);
557 }
558
559 /// xml parser handler function for close element tags
560 function xmlrpc_ee($parser, $name, $rebuild_xmlrpcvals = true)
561 {
562 if ($GLOBALS['_xh']['isf'] < 2)
563 {
564 // push this element name from stack
565 // NB: if XML validates, correct opening/closing is guaranteed and
566 // we do not have to check for $name == $curr_elem.
567 // we also checked for proper nesting at start of elements...
568 $curr_elem = array_pop($GLOBALS['_xh']['stack']);
569
570 switch($name)
571 {
572 case 'VALUE':
573 // This if() detects if no scalar was inside <VALUE></VALUE>
574 if ($GLOBALS['_xh']['vt']=='value')
575 {
576 $GLOBALS['_xh']['value']=$GLOBALS['_xh']['ac'];
577 $GLOBALS['_xh']['vt']=$GLOBALS['xmlrpcString'];
578 }
579
580 if ($rebuild_xmlrpcvals)
581 {
582 // build the xmlrpc val out of the data received, and substitute it
583 $temp =& new xmlrpcval($GLOBALS['_xh']['value'], $GLOBALS['_xh']['vt']);
584 // in case we got info about underlying php class, save it
585 // in the object we're rebuilding
586 if (isset($GLOBALS['_xh']['php_class']))
587 $temp->_php_class = $GLOBALS['_xh']['php_class'];
588 // check if we are inside an array or struct:
589 // if value just built is inside an array, let's move it into array on the stack
590 $vscount = count($GLOBALS['_xh']['valuestack']);
591 if ($vscount && $GLOBALS['_xh']['valuestack'][$vscount-1]['type']=='ARRAY')
592 {
593 $GLOBALS['_xh']['valuestack'][$vscount-1]['values'][] = $temp;
594 }
595 else
596 {
597 $GLOBALS['_xh']['value'] = $temp;
598 }
599 }
600 else
601 {
602 /// @todo this needs to treat correctly php-serialized objects,
603 /// since std deserializing is done by php_xmlrpc_decode,
604 /// which we will not be calling...
605 if (isset($GLOBALS['_xh']['php_class']))
606 {
607 }
608
609 // check if we are inside an array or struct:
610 // if value just built is inside an array, let's move it into array on the stack
611 $vscount = count($GLOBALS['_xh']['valuestack']);
612 if ($vscount && $GLOBALS['_xh']['valuestack'][$vscount-1]['type']=='ARRAY')
613 {
614 $GLOBALS['_xh']['valuestack'][$vscount-1]['values'][] = $GLOBALS['_xh']['value'];
615 }
616 }
617 break;
618 case 'BOOLEAN':
619 case 'I4':
620 case 'INT':
621 case 'STRING':
622 case 'DOUBLE':
623 case 'DATETIME.ISO8601':
624 case 'BASE64':
625 $GLOBALS['_xh']['vt']=strtolower($name);
626 /// @todo: optimization creep - remove the if/elseif cycle below
627 /// since the case() in which we are already did that
628 if ($name=='STRING')
629 {
630 $GLOBALS['_xh']['value']=$GLOBALS['_xh']['ac'];
631 }
632 elseif ($name=='DATETIME.ISO8601')
633 {
634 if (!preg_match('/^[0-9]{8}T[0-9]{2}:[0-9]{2}:[0-9]{2}$/', $GLOBALS['_xh']['ac']))
635 {
636 error_log('XML-RPC: invalid value received in DATETIME: '.$GLOBALS['_xh']['ac']);
637 }
638 $GLOBALS['_xh']['vt']=$GLOBALS['xmlrpcDateTime'];
639 $GLOBALS['_xh']['value']=$GLOBALS['_xh']['ac'];
640 }
641 elseif ($name=='BASE64')
642 {
643 /// @todo check for failure of base64 decoding / catch warnings
644 $GLOBALS['_xh']['value']=base64_decode($GLOBALS['_xh']['ac']);
645 }
646 elseif ($name=='BOOLEAN')
647 {
648 // special case here: we translate boolean 1 or 0 into PHP
649 // constants true or false.
650 // Strings 'true' and 'false' are accepted, even though the
651 // spec never mentions them (see eg. Blogger api docs)
652 // NB: this simple checks helps a lot sanitizing input, ie no
653 // security problems around here
654 if ($GLOBALS['_xh']['ac']=='1' || strcasecmp($GLOBALS['_xh']['ac'], 'true') == 0)
655 {
656 $GLOBALS['_xh']['value']=true;
657 }
658 else
659 {
660 // log if receiveing something strange, even though we set the value to false anyway
661 if ($GLOBALS['_xh']['ac']!='0' && strcasecmp($_xh[$parser]['ac'], 'false') != 0)
662 error_log('XML-RPC: invalid value received in BOOLEAN: '.$GLOBALS['_xh']['ac']);
663 $GLOBALS['_xh']['value']=false;
664 }
665 }
666 elseif ($name=='DOUBLE')
667 {
668 // we have a DOUBLE
669 // we must check that only 0123456789-.<space> are characters here
670 // NOTE: regexp could be much stricter than this...
671 if (!preg_match('/^[+-eE0123456789 \t.]+$/', $GLOBALS['_xh']['ac']))
672 {
673 /// @todo: find a better way of throwing an error than this!
674 error_log('XML-RPC: non numeric value received in DOUBLE: '.$GLOBALS['_xh']['ac']);
675 $GLOBALS['_xh']['value']='ERROR_NON_NUMERIC_FOUND';
676 }
677 else
678 {
679 // it's ok, add it on
680 $GLOBALS['_xh']['value']=(double)$GLOBALS['_xh']['ac'];
681 }
682 }
683 else
684 {
685 // we have an I4/INT
686 // we must check that only 0123456789-<space> are characters here
687 if (!preg_match('/^[+-]?[0123456789 \t]+$/', $GLOBALS['_xh']['ac']))
688 {
689 /// @todo find a better way of throwing an error than this!
690 error_log('XML-RPC: non numeric value received in INT: '.$GLOBALS['_xh']['ac']);
691 $GLOBALS['_xh']['value']='ERROR_NON_NUMERIC_FOUND';
692 }
693 else
694 {
695 // it's ok, add it on
696 $GLOBALS['_xh']['value']=(int)$GLOBALS['_xh']['ac'];
697 }
698 }
699 //$GLOBALS['_xh']['ac']=''; // is this necessary?
700 $GLOBALS['_xh']['lv']=3; // indicate we've found a value
701 break;
702 case 'NAME':
703 $GLOBALS['_xh']['valuestack'][count($GLOBALS['_xh']['valuestack'])-1]['name'] = $GLOBALS['_xh']['ac'];
704 break;
705 case 'MEMBER':
706 //$GLOBALS['_xh']['ac']=''; // is this necessary?
707 // add to array in the stack the last element built,
708 // unless no VALUE was found
709 if ($GLOBALS['_xh']['vt'])
710 {
711 $vscount = count($GLOBALS['_xh']['valuestack']);
712 $GLOBALS['_xh']['valuestack'][$vscount-1]['values'][$GLOBALS['_xh']['valuestack'][$vscount-1]['name']] = $GLOBALS['_xh']['value'];
713 } else
714 error_log('XML-RPC: missing VALUE inside STRUCT in received xml');
715 break;
716 case 'DATA':
717 //$GLOBALS['_xh']['ac']=''; // is this necessary?
718 $GLOBALS['_xh']['vt']=null; // reset this to check for 2 data elements in a row - even if they're empty
719 break;
720 case 'STRUCT':
721 case 'ARRAY':
722 // fetch out of stack array of values, and promote it to current value
723 $curr_val = array_pop($GLOBALS['_xh']['valuestack']);
724 $GLOBALS['_xh']['value'] = $curr_val['values'];
725 $GLOBALS['_xh']['vt']=strtolower($name);
726 if (isset($curr_val['php_class']))
727 {
728 $GLOBALS['_xh']['php_class'] = $curr_val['php_class'];
729 }
730 break;
731 case 'PARAM':
732 // add to array of params the current value,
733 // unless no VALUE was found
734 if ($GLOBALS['_xh']['vt'])
735 {
736 $GLOBALS['_xh']['params'][]=$GLOBALS['_xh']['value'];
737 $GLOBALS['_xh']['pt'][]=$GLOBALS['_xh']['vt'];
738 }
739 else
740 error_log('XML-RPC: missing VALUE inside PARAM in received xml');
741 break;
742 case 'METHODNAME':
743 $GLOBALS['_xh']['method']=preg_replace('/^[\n\r\t ]+/', '', $GLOBALS['_xh']['ac']);
744 break;
745 case 'NIL':
746 if ($GLOBALS['xmlrpc_null_extension'])
747 {
748 $GLOBALS['_xh']['vt']='null';
749 $GLOBALS['_xh']['value']=null;
750 $GLOBALS['_xh']['lv']=3;
751 break;
752 }
753 // drop through intentionally if nil extension not enabled
754 case 'PARAMS':
755 case 'FAULT':
756 case 'METHODCALL':
757 case 'METHORESPONSE':
758 break;
759 default:
760 // End of INVALID ELEMENT!
761 // shall we add an assert here for unreachable code???
762 break;
763 }
764 }
765 }
766
767 /// Used in decoding xmlrpc requests/responses without rebuilding xmlrpc values
768 function xmlrpc_ee_fast($parser, $name)
769 {
770 xmlrpc_ee($parser, $name, false);
771 }
772
773 /// xml parser handler function for character data
774 function xmlrpc_cd($parser, $data)
775 {
776 // skip processing if xml fault already detected
777 if ($GLOBALS['_xh']['isf'] < 2)
778 {
779 // "lookforvalue==3" means that we've found an entire value
780 // and should discard any further character data
781 if($GLOBALS['_xh']['lv']!=3)
782 {
783 // G. Giunta 2006-08-23: useless change of 'lv' from 1 to 2
784 //if($GLOBALS['_xh']['lv']==1)
785 //{
786 // if we've found text and we're just in a <value> then
787 // say we've found a value
788 //$GLOBALS['_xh']['lv']=2;
789 //}
790 // we always initialize the accumulator before starting parsing, anyway...
791 //if(!@isset($GLOBALS['_xh']['ac']))
792 //{
793 // $GLOBALS['_xh']['ac'] = '';
794 //}
795 $GLOBALS['_xh']['ac'].=$data;
796 }
797 }
798 }
799
800 /// xml parser handler function for 'other stuff', ie. not char data or
801 /// element start/end tag. In fact it only gets called on unknown entities...
802 function xmlrpc_dh($parser, $data)
803 {
804 // skip processing if xml fault already detected
805 if ($GLOBALS['_xh']['isf'] < 2)
806 {
807 if(substr($data, 0, 1) == '&' && substr($data, -1, 1) == ';')
808 {
809 // G. Giunta 2006-08-25: useless change of 'lv' from 1 to 2
810 //if($GLOBALS['_xh']['lv']==1)
811 //{
812 // $GLOBALS['_xh']['lv']=2;
813 //}
814 $GLOBALS['_xh']['ac'].=$data;
815 }
816 }
817 return true;
818 }
819
820 class xmlrpc_client
821 {
822 var $path;
823 var $server;
824 var $port=0;
825 var $method='http';
826 var $errno;
827 var $errstr;
828 var $debug=0;
829 var $username='';
830 var $password='';
831 var $authtype=1;
832 var $cert='';
833 var $certpass='';
834 var $cacert='';
835 var $cacertdir='';
836 var $key='';
837 var $keypass='';
838 var $verifypeer=true;
839 var $verifyhost=1;
840 var $no_multicall=false;
841 var $proxy='';
842 var $proxyport=0;
843 var $proxy_user='';
844 var $proxy_pass='';
845 var $proxy_authtype=1;
846 var $cookies=array();
847 /**
848 * List of http compression methods accepted by the client for responses.
849 * NB: PHP supports deflate, gzip compressions out of the box if compiled w. zlib
850 *
851 * NNB: you can set it to any non-empty array for HTTP11 and HTTPS, since
852 * in those cases it will be up to CURL to decide the compression methods
853 * it supports. You might check for the presence of 'zlib' in the output of
854 * curl_version() to determine wheter compression is supported or not
855 */
856 var $accepted_compression = array();
857 /**
858 * Name of compression scheme to be used for sending requests.
859 * Either null, gzip or deflate
860 */
861 var $request_compression = '';
862 /**
863 * CURL handle: used for keep-alive connections (PHP 4.3.8 up, see:
864 * http://curl.haxx.se/docs/faq.html#7.3)
865 */
866 var $xmlrpc_curl_handle = null;
867 /// Wheter to use persistent connections for http 1.1 and https
868 var $keepalive = false;
869 /// Charset encodings that can be decoded without problems by the client
870 var $accepted_charset_encodings = array();
871 /// Charset encoding to be used in serializing request. NULL = use ASCII
872 var $request_charset_encoding = '';
873 /**
874 * Decides the content of xmlrpcresp objects returned by calls to send()
875 * valid strings are 'xmlrpcvals', 'phpvals' or 'xml'
876 */
877 var $return_type = 'xmlrpcvals';
878
879 /**
880 * @param string $path either the complete server URL or the PATH part of the xmlrc server URL, e.g. /xmlrpc/server.php
881 * @param string $server the server name / ip address
882 * @param integer $port the port the server is listening on, defaults to 80 or 443 depending on protocol used
883 * @param string $method the http protocol variant: defaults to 'http', 'https' and 'http11' can be used if CURL is installed
884 */
885 function xmlrpc_client($path, $server='', $port='', $method='')
886 {
887 // allow user to specify all params in $path
888 if($server == '' and $port == '' and $method == '')
889 {
890 $parts = parse_url($path);
891 $server = $parts['host'];
892 $path = isset($parts['path']) ? $parts['path'] : '';
893 if(isset($parts['query']))
894 {
895 $path .= '?'.$parts['query'];
896 }
897 if(isset($parts['fragment']))
898 {
899 $path .= '#'.$parts['fragment'];
900 }
901 if(isset($parts['port']))
902 {
903 $port = $parts['port'];
904 }
905 if(isset($parts['scheme']))
906 {
907 $method = $parts['scheme'];
908 }
909 if(isset($parts['user']))
910 {
911 $this->username = $parts['user'];
912 }
913 if(isset($parts['pass']))
914 {
915 $this->password = $parts['pass'];
916 }
917 }
918 if($path == '' || $path[0] != '/')
919 {
920 $this->path='/'.$path;
921 }
922 else
923 {
924 $this->path=$path;
925 }
926 $this->server=$server;
927 if($port != '')
928 {
929 $this->port=$port;
930 }
931 if($method != '')
932 {
933 $this->method=$method;
934 }
935
936 // if ZLIB is enabled, let the client by default accept compressed responses
937 if(function_exists('gzinflate') || (
938 function_exists('curl_init') && (($info = curl_version()) &&
939 ((is_string($info) && strpos($info, 'zlib') !== null) || isset($info['libz_version'])))
940 ))
941 {
942 $this->accepted_compression = array('gzip', 'deflate');
943 }
944
945 // keepalives: enabled by default ONLY for PHP >= 4.3.8
946 // (see http://curl.haxx.se/docs/faq.html#7.3)
947 if(version_compare(phpversion(), '4.3.8') >= 0)
948 {
949 $this->keepalive = true;
950 }
951
952 // by default the xml parser can support these 3 charset encodings
953 $this->accepted_charset_encodings = array('UTF-8', 'ISO-8859-1', 'US-ASCII');
954 }
955
956 /**
957 * Enables/disables the echoing to screen of the xmlrpc responses received
958 * @param integer $debug values 0, 1 and 2 are supported (2 = echo sent msg too, before received response)
959 * @access public
960 */
961 function setDebug($in)
962 {
963 $this->debug=$in;
964 }
965
966 /**
967 * Add some http BASIC AUTH credentials, used by the client to authenticate
968 * @param string $u username
969 * @param string $p password
970 * @param integer $t auth type. See curl_setopt man page for supported auth types. Defaults to CURLAUTH_BASIC (basic auth)
971 * @access public
972 */
973 function setCredentials($u, $p, $t=1)
974 {
975 $this->username=$u;
976 $this->password=$p;
977 $this->authtype=$t;
978 }
979
980 /**
981 * Add a client-side https certificate
982 * @param string $cert
983 * @param string $certpass
984 * @access public
985 */
986 function setCertificate($cert, $certpass)
987 {
988 $this->cert = $cert;
989 $this->certpass = $certpass;
990 }
991
992 /**
993 * Add a CA certificate to verify server with (see man page about
994 * CURLOPT_CAINFO for more details
995 * @param string $cacert certificate file name (or dir holding certificates)
996 * @param bool $is_dir set to true to indicate cacert is a dir. defaults to false
997 * @access public
998 */
999 function setCaCertificate($cacert, $is_dir=false)
1000 {
1001 if ($is_dir)
1002 {
1003 $this->cacertdir = $cacert;
1004 }
1005 else
1006 {
1007 $this->cacert = $cacert;
1008 }
1009 }
1010
1011 /**
1012 * Set attributes for SSL communication: private SSL key
1013 * NB: does not work in older php/curl installs
1014 * Thanks to Daniel Convissor
1015 * @param string $key The name of a file containing a private SSL key
1016 * @param string $keypass The secret password needed to use the private SSL key
1017 * @access public
1018 */
1019 function setKey($key, $keypass)
1020 {
1021 $this->key = $key;
1022 $this->keypass = $keypass;
1023 }
1024
1025 /**
1026 * Set attributes for SSL communication: verify server certificate
1027 * @param bool $i enable/disable verification of peer certificate
1028 * @access public
1029 */
1030 function setSSLVerifyPeer($i)
1031 {
1032 $this->verifypeer = $i;
1033 }
1034
1035 /**
1036 * Set attributes for SSL communication: verify match of server cert w. hostname
1037 * @param int $i
1038 * @access public
1039 */
1040 function setSSLVerifyHost($i)
1041 {
1042 $this->verifyhost = $i;
1043 }
1044
1045 /**
1046 * Set proxy info
1047 * @param string $proxyhost
1048 * @param string $proxyport Defaults to 8080 for HTTP and 443 for HTTPS
1049 * @param string $proxyusername Leave blank if proxy has public access
1050 * @param string $proxypassword Leave blank if proxy has public access
1051 * @param int $proxyauthtype set to constant CURLAUTH_NTLM to use NTLM auth with proxy
1052 * @access public
1053 */
1054 function setProxy($proxyhost, $proxyport, $proxyusername = '', $proxypassword = '', $proxyauthtype = 1)
1055 {
1056 $this->proxy = $proxyhost;
1057 $this->proxyport = $proxyport;
1058 $this->proxy_user = $proxyusername;
1059 $this->proxy_pass = $proxypassword;
1060 $this->proxy_authtype = $proxyauthtype;
1061 }
1062
1063 /**
1064 * Enables/disables reception of compressed xmlrpc responses.
1065 * Note that enabling reception of compressed responses merely adds some standard
1066 * http headers to xmlrpc requests. It is up to the xmlrpc server to return
1067 * compressed responses when receiving such requests.
1068 * @param string $compmethod either 'gzip', 'deflate', 'any' or ''
1069 * @access public
1070 */
1071 function setAcceptedCompression($compmethod)
1072 {
1073 if ($compmethod == 'any')
1074 $this->accepted_compression = array('gzip', 'deflate');
1075 else
1076 $this->accepted_compression = array($compmethod);
1077 }
1078
1079 /**
1080 * Enables/disables http compression of xmlrpc request.
1081 * Take care when sending compressed requests: servers might not support them
1082 * (and automatic fallback to uncompressed requests is not yet implemented)
1083 * @param string $compmethod either 'gzip', 'deflate' or ''
1084 * @access public
1085 */
1086 function setRequestCompression($compmethod)
1087 {
1088 $this->request_compression = $compmethod;
1089 }
1090
1091 /**
1092 * Adds a cookie to list of cookies that will be sent to server.
1093 * NB: setting any param but name and value will turn the cookie into a 'version 1' cookie:
1094 * do not do it unless you know what you are doing
1095 * @param string $name
1096 * @param string $value
1097 * @param string $path
1098 * @param string $domain
1099 * @param int $port
1100 * @access public
1101 *
1102 * @todo check correctness of urlencoding cookie value (copied from php way of doing it...)
1103 */
1104 function setCookie($name, $value='', $path='', $domain='', $port=null)
1105 {
1106 $this->cookies[$name]['value'] = urlencode($value);
1107 if ($path || $domain || $port)
1108 {
1109 $this->cookies[$name]['path'] = $path;
1110 $this->cookies[$name]['domain'] = $domain;
1111 $this->cookies[$name]['port'] = $port;
1112 $this->cookies[$name]['version'] = 1;
1113 }
1114 else
1115 {
1116 $this->cookies[$name]['version'] = 0;
1117 }
1118 }
1119
1120 /**
1121 * Send an xmlrpc request
1122 * @param mixed $msg The message object, or an array of messages for using multicall, or the complete xml representation of a request
1123 * @param integer $timeout Connection timeout, in seconds, If unspecified, a platform specific timeout will apply
1124 * @param string $method if left unspecified, the http protocol chosen during creation of the object will be used
1125 * @return xmlrpcresp
1126 * @access public
1127 */
1128 function& send($msg, $timeout=0, $method='')
1129 {
1130 // if user deos not specify http protocol, use native method of this client
1131 // (i.e. method set during call to constructor)
1132 if($method == '')
1133 {
1134 $method = $this->method;
1135 }
1136
1137 if(is_array($msg))
1138 {
1139 // $msg is an array of xmlrpcmsg's
1140 $r = $this->multicall($msg, $timeout, $method);
1141 return $r;
1142 }
1143 elseif(is_string($msg))
1144 {
1145 $n =& new xmlrpcmsg('');
1146 $n->payload = $msg;
1147 $msg = $n;
1148 }
1149
1150 // where msg is an xmlrpcmsg
1151 $msg->debug=$this->debug;
1152
1153 if($method == 'https')
1154 {
1155 $r =& $this->sendPayloadHTTPS(
1156 $msg,
1157 $this->server,
1158 $this->port,
1159 $timeout,
1160 $this->username,
1161 $this->password,
1162 $this->authtype,
1163 $this->cert,
1164 $this->certpass,
1165 $this->cacert,
1166 $this->cacertdir,
1167 $this->proxy,
1168 $this->proxyport,
1169 $this->proxy_user,
1170 $this->proxy_pass,
1171 $this->proxy_authtype,
1172 $this->keepalive,
1173 $this->key,
1174 $this->keypass
1175 );
1176 }
1177 elseif($method == 'http11')
1178 {
1179 $r =& $this->sendPayloadCURL(
1180 $msg,
1181 $this->server,
1182 $this->port,
1183 $timeout,
1184 $this->username,
1185 $this->password,
1186 $this->authtype,
1187 null,
1188 null,
1189 null,
1190 null,
1191 $this->proxy,
1192 $this->proxyport,
1193 $this->proxy_user,
1194 $this->proxy_pass,
1195 $this->proxy_authtype,
1196 'http',
1197 $this->keepalive
1198 );
1199 }
1200 else
1201 {
1202 $r =& $this->sendPayloadHTTP10(
1203 $msg,
1204 $this->server,
1205 $this->port,
1206 $timeout,
1207 $this->username,
1208 $this->password,
1209 $this->authtype,
1210 $this->proxy,
1211 $this->proxyport,
1212 $this->proxy_user,
1213 $this->proxy_pass,
1214 $this->proxy_authtype
1215 );
1216 }
1217
1218 return $r;
1219 }
1220
1221 /**
1222 * @access private
1223 */
1224 function &sendPayloadHTTP10($msg, $server, $port, $timeout=0,
1225 $username='', $password='', $authtype=1, $proxyhost='',
1226 $proxyport=0, $proxyusername='', $proxypassword='', $proxyauthtype=1)
1227 {
1228 if($port==0)
1229 {
1230 $port=80;
1231 }
1232
1233 // Only create the payload if it was not created previously
1234 if(empty($msg->payload))
1235 {
1236 $msg->createPayload($this->request_charset_encoding);
1237 }
1238
1239 $payload = $msg->payload;
1240 // Deflate request body and set appropriate request headers
1241 if(function_exists('gzdeflate') && ($this->request_compression == 'gzip' || $this->request_compression == 'deflate'))
1242 {
1243 if($this->request_compression == 'gzip')
1244 {
1245 $a = @gzencode($payload);
1246 if($a)
1247 {
1248 $payload = $a;
1249 $encoding_hdr = "Content-Encoding: gzip\r\n";
1250 }
1251 }
1252 else
1253 {
1254 $a = @gzcompress($payload);
1255 if($a)
1256 {
1257 $payload = $a;
1258 $encoding_hdr = "Content-Encoding: deflate\r\n";
1259 }
1260 }
1261 }
1262 else
1263 {
1264 $encoding_hdr = '';
1265 }
1266
1267 // thanks to Grant Rauscher <grant7@firstworld.net> for this
1268 $credentials='';
1269 if($username!='')
1270 {
1271 $credentials='Authorization: Basic ' . base64_encode($username . ':' . $password) . "\r\n";
1272 if ($authtype != 1)
1273 {
1274 error_log('XML-RPC: xmlrpc_client::send: warning. Only Basic auth is supported with HTTP 1.0');
1275 }
1276 }
1277
1278 $accepted_encoding = '';
1279 if(is_array($this->accepted_compression) && count($this->accepted_compression))
1280 {
1281 $accepted_encoding = 'Accept-Encoding: ' . implode(', ', $this->accepted_compression) . "\r\n";
1282 }
1283
1284 $proxy_credentials = '';
1285 if($proxyhost)
1286 {
1287 if($proxyport == 0)
1288 {
1289 $proxyport = 8080;
1290 }
1291 $connectserver = $proxyhost;
1292 $connectport = $proxyport;
1293 $uri = 'http://'.$server.':'.$port.$this->path;
1294 if($proxyusername != '')
1295 {
1296 if ($proxyauthtype != 1)
1297 {
1298 error_log('XML-RPC: xmlrpc_client::send: warning. Only Basic auth to proxy is supported with HTTP 1.0');
1299 }
1300 $proxy_credentials = 'Proxy-Authorization: Basic ' . base64_encode($proxyusername.':'.$proxypassword) . "\r\n";
1301 }
1302 }
1303 else
1304 {
1305 $connectserver = $server;
1306 $connectport = $port;
1307 $uri = $this->path;
1308 }
1309
1310 // Cookie generation, as per rfc2965 (version 1 cookies) or
1311 // netscape's rules (version 0 cookies)
1312 $cookieheader='';
1313 if (count($this->cookies))
1314 {
1315 $version = '';
1316 foreach ($this->cookies as $name => $cookie)
1317 {
1318 if ($cookie['version'])
1319 {
1320 $version = ' $Version="' . $cookie['version'] . '";';
1321 $cookieheader .= ' ' . $name . '="' . $cookie['value'] . '";';
1322 if ($cookie['path'])
1323 $cookieheader .= ' $Path="' . $cookie['path'] . '";';
1324 if ($cookie['domain'])
1325 $cookieheader .= ' $Domain="' . $cookie['domain'] . '";';
1326 if ($cookie['port'])
1327 $cookieheader .= ' $Port="' . $cookie['port'] . '";';
1328 }
1329 else
1330 {
1331 $cookieheader .= ' ' . $name . '=' . $cookie['value'] . ";";
1332 }
1333 }
1334 $cookieheader = 'Cookie:' . $version . substr($cookieheader, 0, -1) . "\r\n";
1335 }
1336
1337 $op= 'POST ' . $uri. " HTTP/1.0\r\n" .
1338 'User-Agent: ' . $GLOBALS['xmlrpcName'] . ' ' . $GLOBALS['xmlrpcVersion'] . "\r\n" .
1339 'Host: '. $server . ':' . $port . "\r\n" .
1340 $credentials .
1341 $proxy_credentials .
1342 $accepted_encoding .
1343 $encoding_hdr .
1344 'Accept-Charset: ' . implode(',', $this->accepted_charset_encodings) . "\r\n" .
1345 $cookieheader .
1346 'Content-Type: ' . $msg->content_type . "\r\nContent-Length: " .
1347 strlen($payload) . "\r\n\r\n" .
1348 $payload;
1349
1350 if($this->debug > 1)
1351 {
1352 print "<PRE>\n---SENDING---\n" . htmlentities($op) . "\n---END---\n</PRE>";
1353 // let the client see this now in case http times out...
1354 flush();
1355 }
1356
1357 if($timeout>0)
1358 {
1359 $fp=@fsockopen($connectserver, $connectport, $this->errno, $this->errstr, $timeout);
1360 }
1361 else
1362 {
1363 $fp=@fsockopen($connectserver, $connectport, $this->errno, $this->errstr);
1364 }
1365 if($fp)
1366 {
1367 if($timeout>0 && function_exists('stream_set_timeout'))
1368 {
1369 stream_set_timeout($fp, $timeout);
1370 }
1371 }
1372 else
1373 {
1374 $this->errstr='Connect error: '.$this->errstr;
1375 $r=&new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['http_error'], $this->errstr . ' (' . $this->errno . ')');
1376 return $r;
1377 }
1378
1379 if(!fputs($fp, $op, strlen($op)))
1380 {
1381 $this->errstr='Write error';
1382 $r=&new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['http_error'], $this->errstr);
1383 return $r;
1384 }
1385 else
1386 {
1387 // reset errno and errstr on succesful socket connection
1388 $this->errstr = '';
1389 }
1390 // G. Giunta 2005/10/24: close socket before parsing.
1391 // should yeld slightly better execution times, and make easier recursive calls (e.g. to follow http redirects)
1392 $ipd='';
1393 while($data=fread($fp, 32768))
1394 {
1395 // shall we check for $data === FALSE?
1396 // as per the manual, it signals an error
1397 $ipd.=$data;
1398 }
1399 fclose($fp);
1400 $r =& $msg->parseResponse($ipd, false, $this->return_type);
1401 return $r;
1402
1403 }
1404
1405 /**
1406 * @access private
1407 */
1408 function &sendPayloadHTTPS($msg, $server, $port, $timeout=0, $username='',
1409 $password='', $authtype=1, $cert='',$certpass='', $cacert='', $cacertdir='',
1410 $proxyhost='', $proxyport=0, $proxyusername='', $proxypassword='', $proxyauthtype=1,
1411 $keepalive=false, $key='', $keypass='')
1412 {
1413 $r =& $this->sendPayloadCURL($msg, $server, $port, $timeout, $username,
1414 $password, $authtype, $cert, $certpass, $cacert, $cacertdir, $proxyhost, $proxyport,
1415 $proxyusername, $proxypassword, $proxyauthtype, 'https', $keepalive, $key, $keypass);
1416 return $r;
1417 }
1418
1419 /**
1420 * Contributed by Justin Miller <justin@voxel.net>
1421 * Requires curl to be built into PHP
1422 * NB: CURL versions before 7.11.10 cannot use proxy to talk to https servers!
1423 * @access private
1424 */
1425 function &sendPayloadCURL($msg, $server, $port, $timeout=0, $username='',
1426 $password='', $authtype=1, $cert='', $certpass='', $cacert='', $cacertdir='',
1427 $proxyhost='', $proxyport=0, $proxyusername='', $proxypassword='', $proxyauthtype=1, $method='https',
1428 $keepalive=false, $key='', $keypass='')
1429 {
1430 if(!function_exists('curl_init'))
1431 {
1432 $this->errstr='CURL unavailable on this install';
1433 $r=&new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['no_curl'], $GLOBALS['xmlrpcstr']['no_curl']);
1434 return $r;
1435 }
1436 if($method == 'https')
1437 {
1438 if(($info = curl_version()) &&
1439 ((is_string($info) && strpos($info, 'OpenSSL') === null) || (is_array($info) && !isset($info['ssl_version']))))
1440 {
1441 $this->errstr='SSL unavailable on this install';
1442 $r=&new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['no_ssl'], $GLOBALS['xmlrpcstr']['no_ssl']);
1443 return $r;
1444 }
1445 }
1446
1447 if($port == 0)
1448 {
1449 if($method == 'http')
1450 {
1451 $port = 80;
1452 }
1453 else
1454 {
1455 $port = 443;
1456 }
1457 }
1458
1459 // Only create the payload if it was not created previously
1460 if(empty($msg->payload))
1461 {
1462 $msg->createPayload($this->request_charset_encoding);
1463 }
1464
1465 // Deflate request body and set appropriate request headers
1466 $payload = $msg->payload;
1467 if(function_exists('gzdeflate') && ($this->request_compression == 'gzip' || $this->request_compression == 'deflate'))
1468 {
1469 if($this->request_compression == 'gzip')
1470 {
1471 $a = @gzencode($payload);
1472 if($a)
1473 {
1474 $payload = $a;
1475 $encoding_hdr = 'Content-Encoding: gzip';
1476 }
1477 }
1478 else
1479 {
1480 $a = @gzcompress($payload);
1481 if($a)
1482 {
1483 $payload = $a;
1484 $encoding_hdr = 'Content-Encoding: deflate';
1485 }
1486 }
1487 }
1488 else
1489 {
1490 $encoding_hdr = '';
1491 }
1492
1493 if($this->debug > 1)
1494 {
1495 print "<PRE>\n---SENDING---\n" . htmlentities($payload) . "\n---END---\n</PRE>";
1496 // let the client see this now in case http times out...
1497 flush();
1498 }
1499
1500 if(!$keepalive || !$this->xmlrpc_curl_handle)
1501 {
1502 $curl = curl_init($method . '://' . $server . ':' . $port . $this->path);
1503 if($keepalive)
1504 {
1505 $this->xmlrpc_curl_handle = $curl;
1506 }
1507 }
1508 else
1509 {
1510 $curl = $this->xmlrpc_curl_handle;
1511 }
1512
1513 // results into variable
1514 curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
1515
1516 if($this->debug)
1517 {
1518 curl_setopt($curl, CURLOPT_VERBOSE, 1);
1519 }
1520 curl_setopt($curl, CURLOPT_USERAGENT, $GLOBALS['xmlrpcName'].' '.$GLOBALS['xmlrpcVersion']);
1521 // required for XMLRPC: post the data
1522 curl_setopt($curl, CURLOPT_POST, 1);
1523 // the data
1524 curl_setopt($curl, CURLOPT_POSTFIELDS, $payload);
1525
1526 // return the header too
1527 curl_setopt($curl, CURLOPT_HEADER, 1);
1528
1529 // will only work with PHP >= 5.0
1530 // NB: if we set an empty string, CURL will add http header indicating
1531 // ALL methods it is supporting. This is possibly a better option than
1532 // letting the user tell what curl can / cannot do...
1533 if(is_array($this->accepted_compression) && count($this->accepted_compression))
1534 {
1535 //curl_setopt($curl, CURLOPT_ENCODING, implode(',', $this->accepted_compression));
1536 // empty string means 'any supported by CURL' (shall we catch errors in case CURLOPT_SSLKEY undefined ?)
1537 if (count($this->accepted_compression) == 1)
1538 {
1539 curl_setopt($curl, CURLOPT_ENCODING, $this->accepted_compression[0]);
1540 }
1541 else
1542 curl_setopt($curl, CURLOPT_ENCODING, '');
1543 }
1544 // extra headers
1545 $headers = array('Content-Type: ' . $msg->content_type , 'Accept-Charset: ' . implode(',', $this->accepted_charset_encodings));
1546 // if no keepalive is wanted, let the server know it in advance
1547 if(!$keepalive)
1548 {
1549 $headers[] = 'Connection: close';
1550 }
1551 // request compression header
1552 if($encoding_hdr)
1553 {
1554 $headers[] = $encoding_hdr;
1555 }
1556
1557 curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
1558 // timeout is borked
1559 if($timeout)
1560 {
1561 curl_setopt($curl, CURLOPT_TIMEOUT, $timeout == 1 ? 1 : $timeout - 1);
1562 }
1563
1564 if($username && $password)
1565 {
1566 curl_setopt($curl, CURLOPT_USERPWD, $username.':'.$password);
1567 if (defined('CURLOPT_HTTPAUTH'))
1568 {
1569 curl_setopt($curl, CURLOPT_HTTPAUTH, $authtype);
1570 }
1571 else if ($authtype != 1)
1572 {
1573 error_log('XML-RPC: xmlrpc_client::send: warning. Only Basic auth is supported by the current PHP/curl install');
1574 }
1575 }
1576
1577 if($method == 'https')
1578 {
1579 // set cert file
1580 if($cert)
1581 {
1582 curl_setopt($curl, CURLOPT_SSLCERT, $cert);
1583 }
1584 // set cert password
1585 if($certpass)
1586 {
1587 curl_setopt($curl, CURLOPT_SSLCERTPASSWD, $certpass);
1588 }
1589 // whether to verify remote host's cert
1590 curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, $this->verifypeer);
1591 // set ca certificates file/dir
1592 if($cacert)
1593 {
1594 curl_setopt($curl, CURLOPT_CAINFO, $cacert);
1595 }
1596 if($cacertdir)
1597 {
1598 curl_setopt($curl, CURLOPT_CAPATH, $cacertdir);
1599 }
1600 // set key file (shall we catch errors in case CURLOPT_SSLKEY undefined ?)
1601 if($key)
1602 {
1603 curl_setopt($curl, CURLOPT_SSLKEY, $key);
1604 }
1605 // set key password (shall we catch errors in case CURLOPT_SSLKEY undefined ?)
1606 if($keypass)
1607 {
1608 curl_setopt($curl, CURLOPT_SSLKEYPASSWD, $keypass);
1609 }
1610 // whether to verify cert's common name (CN); 0 for no, 1 to verify that it exists, and 2 to verify that it matches the hostname used
1611 curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, $this->verifyhost);
1612 }
1613
1614 // proxy info
1615 if($proxyhost)
1616 {
1617 if($proxyport == 0)
1618 {
1619 $proxyport = 8080; // NB: even for HTTPS, local connection is on port 8080
1620 }
1621 curl_setopt($curl, CURLOPT_PROXY, $proxyhost.':'.$proxyport);
1622 //curl_setopt($curl, CURLOPT_PROXYPORT,$proxyport);
1623 if($proxyusername)
1624 {
1625 curl_setopt($curl, CURLOPT_PROXYUSERPWD, $proxyusername.':'.$proxypassword);
1626 if (defined('CURLOPT_PROXYAUTH'))
1627 {
1628 curl_setopt($curl, CURLOPT_PROXYAUTH, $proxyauthtype);
1629 }
1630 else if ($proxyauthtype != 1)
1631 {
1632 error_log('XML-RPC: xmlrpc_client::send: warning. Only Basic auth to proxy is supported by the current PHP/curl install');
1633 }
1634 }
1635 }
1636
1637 // NB: should we build cookie http headers by hand rather than let CURL do it?
1638 // the following code does not honour 'expires', 'path' and 'domain' cookie attributes
1639 // set to client obj the the user...
1640 if (count($this->cookies))
1641 {
1642 $cookieheader = '';
1643 foreach ($this->cookies as $name => $cookie)
1644 {
1645 $cookieheader .= $name . '=' . $cookie['value'] . '; ';
1646 }
1647 curl_setopt($curl, CURLOPT_COOKIE, substr($cookieheader, 0, -2));
1648 }
1649
1650 $result = curl_exec($curl);
1651
1652 if ($this->debug > 1)
1653 {
1654 print "<PRE>\n---CURL INFO---\n";
1655 foreach(curl_getinfo($curl) as $name => $val)
1656 print $name . ': ' . htmlentities($val). "\n";
1657 print "---END---\n</PRE>";
1658 }
1659
1660 if(!$result) /// @todo we should use a better check here - what if we get back '' or '0'?
1661 {
1662 $this->errstr='no response';
1663 $resp=&new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['curl_fail'], $GLOBALS['xmlrpcstr']['curl_fail']. ': '. curl_error($curl));
1664 curl_close($curl);
1665 if($keepalive)
1666 {
1667 $this->xmlrpc_curl_handle = null;
1668 }
1669 }
1670 else
1671 {
1672 if(!$keepalive)
1673 {
1674 curl_close($curl);
1675 }
1676 $resp =& $msg->parseResponse($result, true, $this->return_type);
1677 }
1678 return $resp;
1679 }
1680
1681 /**
1682 * Send an array of request messages and return an array of responses.
1683 * Unless $this->no_multicall has been set to true, it will try first
1684 * to use one single xmlrpc call to server method system.multicall, and
1685 * revert to sending many successive calls in case of failure.
1686 * This failure is also stored in $this->no_multicall for subsequent calls.
1687 * Unfortunately, there is no server error code universally used to denote
1688 * the fact that multicall is unsupported, so there is no way to reliably
1689 * distinguish between that and a temporary failure.
1690 * If you are sure that server supports multicall and do not want to
1691 * fallback to using many single calls, set the fourth parameter to FALSE.
1692 *
1693 * NB: trying to shoehorn extra functionality into existing syntax has resulted
1694 * in pretty much convoluted code...
1695 *
1696 * @param array $msgs an array of xmlrpcmsg objects
1697 * @param integer $timeout connection timeout (in seconds)
1698 * @param string $method the http protocol variant to be used
1699 * @param boolean fallback When true, upon receiveing an error during multicall, multiple single calls will be attempted
1700 * @return array
1701 * @access public
1702 */
1703 function multicall($msgs, $timeout=0, $method='', $fallback=true)
1704 {
1705 if ($method == '')
1706 {
1707 $method = $this->method;
1708 }
1709 if(!$this->no_multicall)
1710 {
1711 $results = $this->_try_multicall($msgs, $timeout, $method);
1712 if(is_array($results))
1713 {
1714 // System.multicall succeeded
1715 return $results;
1716 }
1717 else
1718 {
1719 // either system.multicall is unsupported by server,
1720 // or call failed for some other reason.
1721 if ($fallback)
1722 {
1723 // Don't try it next time...
1724 $this->no_multicall = true;
1725 }
1726 else
1727 {
1728 if (is_a($results, 'xmlrpcresp'))
1729 {
1730 $result = $results;
1731 }
1732 else
1733 {
1734 $result =& new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['multicall_error'], $GLOBALS['xmlrpcstr']['multicall_error']);
1735 }
1736 }
1737 }
1738 }
1739 else
1740 {
1741 // override fallback, in case careless user tries to do two
1742 // opposite things at the same time
1743 $fallback = true;
1744 }
1745
1746 $results = array();
1747 if ($fallback)
1748 {
1749 // system.multicall is (probably) unsupported by server:
1750 // emulate multicall via multiple requests
1751 foreach($msgs as $msg)
1752 {
1753 $results[] =& $this->send($msg, $timeout, $method);
1754 }
1755 }
1756 else
1757 {
1758 // user does NOT want to fallback on many single calls:
1759 // since we should always return an array of responses,
1760 // return an array with the same error repeated n times
1761 foreach($msgs as $msg)
1762 {
1763 $results[] = $result;
1764 }
1765 }
1766 return $results;
1767 }
1768
1769 /**
1770 * Attempt to boxcar $msgs via system.multicall.
1771 * Returns either an array of xmlrpcreponses, an xmlrpc error response
1772 * or false (when received response does not respect valid multicall syntax)
1773 * @access private
1774 */
1775 function _try_multicall($msgs, $timeout, $method)
1776 {
1777 // Construct multicall message
1778 $calls = array();
1779 foreach($msgs as $msg)
1780 {
1781 $call['methodName'] =& new xmlrpcval($msg->method(),'string');
1782 $numParams = $msg->getNumParams();
1783 $params = array();
1784 for($i = 0; $i < $numParams; $i++)
1785 {
1786 $params[$i] = $msg->getParam($i);
1787 }
1788 $call['params'] =& new xmlrpcval($params, 'array');
1789 $calls[] =& new xmlrpcval($call, 'struct');
1790 }
1791 $multicall =& new xmlrpcmsg('system.multicall');
1792 $multicall->addParam(new xmlrpcval($calls, 'array'));
1793
1794 // Attempt RPC call
1795 $result =& $this->send($multicall, $timeout, $method);
1796
1797 if($result->faultCode() != 0)
1798 {
1799 // call to system.multicall failed
1800 return $result;
1801 }
1802
1803 // Unpack responses.
1804 $rets = $result->value();
1805
1806 if ($this->return_type == 'xml')
1807 {
1808 return $rets;
1809 }
1810 else if ($this->return_type == 'phpvals')
1811 {
1812 ///@todo test this code branch...
1813 $rets = $result->value();
1814 if(!is_array($rets))
1815 {
1816 return false; // bad return type from system.multicall
1817 }
1818 $numRets = count($rets);
1819 if($numRets != count($msgs))
1820 {
1821 return false; // wrong number of return values.
1822 }
1823
1824 $response = array();
1825 for($i = 0; $i < $numRets; $i++)
1826 {
1827 $val = $rets[$i];
1828 if (!is_array($val)) {
1829 return false;
1830 }
1831 switch(count($val))
1832 {
1833 case 1:
1834 if(!isset($val[0]))
1835 {
1836 return false; // Bad value
1837 }
1838 // Normal return value
1839 $response[$i] =& new xmlrpcresp($val[0], 0, '', 'phpvals');
1840 break;
1841 case 2:
1842 /// @todo remove usage of @: it is apparently quite slow
1843 $code = @$val['faultCode'];
1844 if(!is_int($code))
1845 {
1846 return false;
1847 }
1848 $str = @$val['faultString'];
1849 if(!is_string($str))
1850 {
1851 return false;
1852 }
1853 $response[$i] =& new xmlrpcresp(0, $code, $str);
1854 break;
1855 default:
1856 return false;
1857 }
1858 }
1859 return $response;
1860 }
1861 else // return type == 'xmlrpcvals'
1862 {
1863 $rets = $result->value();
1864 if($rets->kindOf() != 'array')
1865 {
1866 return false; // bad return type from system.multicall
1867 }
1868 $numRets = $rets->arraysize();
1869 if($numRets != count($msgs))
1870 {
1871 return false; // wrong number of return values.
1872 }
1873
1874 $response = array();
1875 for($i = 0; $i < $numRets; $i++)
1876 {
1877 $val = $rets->arraymem($i);
1878 switch($val->kindOf())
1879 {
1880 case 'array':
1881 if($val->arraysize() != 1)
1882 {
1883 return false; // Bad value
1884 }
1885 // Normal return value
1886 $response[$i] =& new xmlrpcresp($val->arraymem(0));
1887 break;
1888 case 'struct':
1889 $code = $val->structmem('faultCode');
1890 if($code->kindOf() != 'scalar' || $code->scalartyp() != 'int')
1891 {
1892 return false;
1893 }
1894 $str = $val->structmem('faultString');
1895 if($str->kindOf() != 'scalar' || $str->scalartyp() != 'string')
1896 {
1897 return false;
1898 }
1899 $response[$i] =& new xmlrpcresp(0, $code->scalarval(), $str->scalarval());
1900 break;
1901 default:
1902 return false;
1903 }
1904 }
1905 return $response;
1906 }
1907 }
1908 } // end class xmlrpc_client
1909
1910 class xmlrpcresp
1911 {
1912 var $val = 0;
1913 var $valtyp;
1914 var $errno = 0;
1915 var $errstr = '';
1916 var $payload;
1917 var $hdrs = array();
1918 var $_cookies = array();
1919 var $content_type = 'text/xml';
1920 var $raw_data = '';
1921
1922 /**
1923 * @param mixed $val either an xmlrpcval obj, a php value or the xml serialization of an xmlrpcval (a string)
1924 * @param integer $fcode set it to anything but 0 to create an error response
1925 * @param string $fstr the error string, in case of an error response
1926 * @param string $valtyp either 'xmlrpcvals', 'phpvals' or 'xml'
1927 *
1928 * @todo add check that $val / $fcode / $fstr is of correct type???
1929 * NB: as of now we do not do it, since it might be either an xmlrpcval or a plain
1930 * php val, or a complete xml chunk, depending on usage of xmlrpc_client::send() inside which creator is called...
1931 */
1932 function xmlrpcresp($val, $fcode = 0, $fstr = '', $valtyp='')
1933 {
1934 if($fcode != 0)
1935 {
1936 // error response
1937 $this->errno = $fcode;
1938 $this->errstr = $fstr;
1939 //$this->errstr = htmlspecialchars($fstr); // XXX: encoding probably shouldn't be done here; fix later.
1940 }
1941 else
1942 {
1943 // successful response
1944 $this->val = $val;
1945 if ($valtyp == '')
1946 {
1947 // user did not declare type of response value: try to guess it
1948 if (is_object($this->val) && is_a($this->val, 'xmlrpcval'))
1949 {
1950 $this->valtyp = 'xmlrpcvals';
1951 }
1952 else if (is_string($this->val))
1953 {
1954 $this->valtyp = 'xml';
1955
1956 }
1957 else
1958 {
1959 $this->valtyp = 'phpvals';
1960 }
1961 }
1962 else
1963 {
1964 // user declares type of resp value: believe him
1965 $this->valtyp = $valtyp;
1966 }
1967 }
1968 }
1969
1970 /**
1971 * Returns the error code of the response.
1972 * @return integer the error code of this response (0 for not-error responses)
1973 * @access public
1974 */
1975 function faultCode()
1976 {
1977 return $this->errno;
1978 }
1979
1980 /**
1981 * Returns the error code of the response.
1982 * @return string the error string of this response ('' for not-error responses)
1983 * @access public
1984 */
1985 function faultString()
1986 {
1987 return $this->errstr;
1988 }
1989
1990 /**
1991 * Returns the value received by the server.
1992 * @return mixed the xmlrpcval object returned by the server. Might be an xml string or php value if the response has been created by specially configured xmlrpc_client objects
1993 * @access public
1994 */
1995 function value()
1996 {
1997 return $this->val;
1998 }
1999
2000 /**
2001 * Returns an array with the cookies received from the server.
2002 * Array has the form: $cookiename => array ('value' => $val, $attr1 => $val1, $attr2 = $val2, ...)
2003 * with attributes being e.g. 'expires', 'path', domain'.
2004 * NB: cookies sent as 'expired' by the server (i.e. with an expiry date in the past)
2005 * are still present in the array. It is up to the user-defined code to decide
2006 * how to use the received cookies, and wheter they have to be sent back with the next
2007 * request to the server (using xmlrpc_client::setCookie) or not
2008 * @return array array of cookies received from the server
2009 * @access public
2010 */
2011 function cookies()
2012 {
2013 return $this->_cookies;
2014 }
2015
2016 /**
2017 * Returns xml representation of the response. XML prologue not included
2018 * @param string $charset_encoding the charset to be used for serialization. if null, US-ASCII is assumed
2019 * @return string the xml representation of the response
2020 * @access public
2021 */
2022 function serialize($charset_encoding='')
2023 {
2024 if ($charset_encoding != '')
2025 $this->content_type = 'text/xml; charset=' . $charset_encoding;
2026 else
2027 $this->content_type = 'text/xml';
2028 $result = "<methodResponse>\n";
2029 if($this->errno)
2030 {
2031 // G. Giunta 2005/2/13: let non-ASCII response messages be tolerated by clients
2032 // by xml-encoding non ascii chars
2033 $result .= "<fault>\n" .
2034"<value>\n<struct><member><name>faultCode</name>\n<value><int>" . $this->errno .
2035"</int></value>\n</member>\n<member>\n<name>faultString</name>\n<value><string>" .
2036xmlrpc_encode_entitites($this->errstr, $GLOBALS['xmlrpc_internalencoding'], $charset_encoding) . "</string></value>\n</member>\n" .
2037"</struct>\n</value>\n</fault>";
2038 }
2039 else
2040 {
2041 if(!is_object($this->val) || !is_a($this->val, 'xmlrpcval'))
2042 {
2043 if (is_string($this->val) && $this->valtyp == 'xml')
2044 {
2045 $result .= "<params>\n<param>\n" .
2046 $this->val .
2047 "</param>\n</params>";
2048 }
2049 else
2050 {
2051 /// @todo try to build something serializable?
2052 die('cannot serialize xmlrpcresp objects whose content is native php values');
2053 }
2054 }
2055 else
2056 {
2057 $result .= "<params>\n<param>\n" .
2058 $this->val->serialize($charset_encoding) .
2059 "</param>\n</params>";
2060 }
2061 }
2062 $result .= "\n</methodResponse>";
2063 $this->payload = $result;
2064 return $result;
2065 }
2066 }
2067
2068 class xmlrpcmsg
2069 {
2070 var $payload;
2071 var $methodname;
2072 var $params=array();
2073 var $debug=0;
2074 var $content_type = 'text/xml';
2075
2076 /**
2077 * @param string $meth the name of the method to invoke
2078 * @param array $pars array of parameters to be paased to the method (xmlrpcval objects)
2079 */
2080 function xmlrpcmsg($meth, $pars=0)
2081 {
2082 $this->methodname=$meth;
2083 if(is_array($pars) && count($pars)>0)
2084 {
2085 for($i=0; $i<count($pars); $i++)
2086 {
2087 $this->addParam($pars[$i]);
2088 }
2089 }
2090 }
2091
2092 /**
2093 * @access private
2094 */
2095 function xml_header($charset_encoding='')
2096 {
2097 if ($charset_encoding != '')
2098 {
2099 return "<?xml version=\"1.0\" encoding=\"$charset_encoding\" ?" . ">\n<methodCall>\n";
2100 }
2101 else
2102 {
2103 return "<?xml version=\"1.0\"?" . ">\n<methodCall>\n";
2104 }
2105 }
2106
2107 /**
2108 * @access private
2109 */
2110 function xml_footer()
2111 {
2112 return '</methodCall>';
2113 }
2114
2115 /**
2116 * @access private
2117 */
2118 function kindOf()
2119 {
2120 return 'msg';
2121 }
2122
2123 /**
2124 * @access private
2125 */
2126 function createPayload($charset_encoding='')
2127 {
2128 if ($charset_encoding != '')
2129 $this->content_type = 'text/xml; charset=' . $charset_encoding;
2130 else
2131 $this->content_type = 'text/xml';
2132 $this->payload=$this->xml_header($charset_encoding);
2133 $this->payload.='<methodName>' . $this->methodname . "</methodName>\n";
2134 $this->payload.="<params>\n";
2135 for($i=0; $i<count($this->params); $i++)
2136 {
2137 $p=$this->params[$i];
2138 $this->payload.="<param>\n" . $p->serialize($charset_encoding) .
2139 "</param>\n";
2140 }
2141 $this->payload.="</params>\n";
2142 $this->payload.=$this->xml_footer();
2143 }
2144
2145 /**
2146 * Gets/sets the xmlrpc method to be invoked
2147 * @param string $meth the method to be set (leave empty not to set it)
2148 * @return string the method that will be invoked
2149 * @access public
2150 */
2151 function method($meth='')
2152 {
2153 if($meth!='')
2154 {
2155 $this->methodname=$meth;
2156 }
2157 return $this->methodname;
2158 }
2159
2160 /**
2161 * Returns xml representation of the message. XML prologue included
2162 * @return string the xml representation of the message, xml prologue included
2163 * @access public
2164 */
2165 function serialize($charset_encoding='')
2166 {
2167 $this->createPayload($charset_encoding);
2168 return $this->payload;
2169 }
2170
2171 /**
2172 * Add a parameter to the list of parameters to be used upon method invocation
2173 * @param xmlrpcval $par
2174 * @return boolean false on failure
2175 * @access public
2176 */
2177 function addParam($par)
2178 {
2179 // add check: do not add to self params which are not xmlrpcvals
2180 if(is_object($par) && is_a($par, 'xmlrpcval'))
2181 {
2182 $this->params[]=$par;
2183 return true;
2184 }
2185 else
2186 {
2187 return false;
2188 }
2189 }
2190
2191 /**
2192 * Returns the nth parameter in the message. The index zero-based.
2193 * @param integer $i the index of the parameter to fetch (zero based)
2194 * @return xmlrpcval the i-th parameter
2195 * @access public
2196 */
2197 function getParam($i) { return $this->params[$i]; }
2198
2199 /**
2200 * Returns the number of parameters in the messge.
2201 * @return integer the number of parameters currently set
2202 * @access public
2203 */
2204 function getNumParams() { return count($this->params); }
2205
2206 /**
2207 * Given an open file handle, read all data available and parse it as axmlrpc response.
2208 * NB: the file handle is not closed by this function.
2209 * @access public
2210 * @return xmlrpcresp
2211 * @todo add 2nd & 3rd param to be passed to ParseResponse() ???
2212 */
2213 function &parseResponseFile($fp)
2214 {
2215 $ipd='';
2216 while($data=fread($fp, 32768))
2217 {
2218 $ipd.=$data;
2219 }
2220 //fclose($fp);
2221 $r =& $this->parseResponse($ipd);
2222 return $r;
2223 }
2224
2225 /**
2226 * Parses HTTP headers and separates them from data.
2227 * @access private
2228 */
2229 function &parseResponseHeaders(&$data, $headers_processed=false)
2230 {
2231 // Support "web-proxy-tunelling" connections for https through proxies
2232 if(preg_match('/^HTTP\/1\.[0-1] 200 Connection established/', $data))
2233 {
2234 // Look for CR/LF or simple LF as line separator,
2235 // (even though it is not valid http)
2236 $pos = strpos($data,"\r\n\r\n");
2237 if($pos || is_int($pos))
2238 {
2239 $bd = $pos+4;
2240 }
2241 else
2242 {
2243 $pos = strpos($data,"\n\n");
2244 if($pos || is_int($pos))
2245 {
2246 $bd = $pos+2;
2247 }
2248 else
2249 {
2250 // No separation between response headers and body: fault?
2251 $bd = 0;
2252 }
2253 }
2254 if ($bd)
2255 {
2256 // this filters out all http headers from proxy.
2257 // maybe we could take them into account, too?
2258 $data = substr($data, $bd);
2259 }
2260 else
2261 {
2262 error_log('XML-RPC: xmlrpcmsg::parseResponse: HTTPS via proxy error, tunnel connection possibly failed');
2263 $r=&new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['http_error'], $GLOBALS['xmlrpcstr']['http_error']. ' (HTTPS via proxy error, tunnel connection possibly failed)');
2264 return $r;
2265 }
2266 }
2267
2268 // Strip HTTP 1.1 100 Continue header if present
2269 while(preg_match('/^HTTP\/1\.1 1[0-9]{2} /', $data))
2270 {
2271 $pos = strpos($data, 'HTTP', 12);
2272 // server sent a Continue header without any (valid) content following...
2273 // give the client a chance to know it
2274 if(!$pos && !is_int($pos)) // works fine in php 3, 4 and 5
2275 {
2276 break;
2277 }
2278 $data = substr($data, $pos);
2279 }
2280 if(!preg_match('/^HTTP\/[0-9.]+ 200 /', $data))
2281 {
2282 $errstr= substr($data, 0, strpos($data, "\n")-1);
2283 error_log('XML-RPC: xmlrpcmsg::parseResponse: HTTP error, got response: ' .$errstr);
2284 $r=&new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['http_error'], $GLOBALS['xmlrpcstr']['http_error']. ' (' . $errstr . ')');
2285 return $r;
2286 }
2287
2288 $GLOBALS['_xh']['headers'] = array();
2289 $GLOBALS['_xh']['cookies'] = array();
2290
2291 // be tolerant to usage of \n instead of \r\n to separate headers and data
2292 // (even though it is not valid http)
2293 $pos = strpos($data,"\r\n\r\n");
2294 if($pos || is_int($pos))
2295 {
2296 $bd = $pos+4;
2297 }
2298 else
2299 {
2300 $pos = strpos($data,"\n\n");
2301 if($pos || is_int($pos))
2302 {
2303 $bd = $pos+2;
2304 }
2305 else
2306 {
2307 // No separation between response headers and body: fault?
2308 // we could take some action here instead of going on...
2309 $bd = 0;
2310 }
2311 }
2312 // be tolerant to line endings, and extra empty lines
2313 $ar = split("\r?\n", trim(substr($data, 0, $pos)));
2314 while(list(,$line) = @each($ar))
2315 {
2316 // take care of multi-line headers and cookies
2317 $arr = explode(':',$line,2);
2318 if(count($arr) > 1)
2319 {
2320 $header_name = strtolower(trim($arr[0]));
2321 /// @todo some other headers (the ones that allow a CSV list of values)
2322 /// do allow many values to be passed using multiple header lines.
2323 /// We should add content to $GLOBALS['_xh']['headers'][$header_name]
2324 /// instead of replacing it for those...
2325 if ($header_name == 'set-cookie' || $header_name == 'set-cookie2')
2326 {
2327 if ($header_name == 'set-cookie2')
2328 {
2329 // version 2 cookies:
2330 // there could be many cookies on one line, comma separated
2331 $cookies = explode(',', $arr[1]);
2332 }
2333 else
2334 {
2335 $cookies = array($arr[1]);
2336 }
2337 foreach ($cookies as $cookie)
2338 {
2339 // glue together all received cookies, using a comma to separate them
2340 // (same as php does with getallheaders())
2341 if (isset($GLOBALS['_xh']['headers'][$header_name]))
2342 $GLOBALS['_xh']['headers'][$header_name] .= ', ' . trim($cookie);
2343 else
2344 $GLOBALS['_xh']['headers'][$header_name] = trim($cookie);
2345 // parse cookie attributes, in case user wants to correctly honour them
2346 // feature creep: only allow rfc-compliant cookie attributes?
2347 // @todo support for server sending multiple time cookie with same name, but using different PATHs
2348 $cookie = explode(';', $cookie);
2349 foreach ($cookie as $pos => $val)
2350 {
2351 $val = explode('=', $val, 2);
2352 $tag = trim($val[0]);
2353 $val = trim(@$val[1]);
2354 /// @todo with version 1 cookies, we should strip leading and trailing " chars
2355 if ($pos == 0)
2356 {
2357 $cookiename = $tag;
2358 $GLOBALS['_xh']['cookies'][$tag] = array();
2359 $GLOBALS['_xh']['cookies'][$cookiename]['value'] = urldecode($val);
2360 }
2361 else
2362 {
2363 if ($tag != 'value')
2364 {
2365 $GLOBALS['_xh']['cookies'][$cookiename][$tag] = $val;
2366 }
2367 }
2368 }
2369 }
2370 }
2371 else
2372 {
2373 $GLOBALS['_xh']['headers'][$header_name] = trim($arr[1]);
2374 }
2375 }
2376 elseif(isset($header_name))
2377 {
2378 /// @todo version1 cookies might span multiple lines, thus breaking the parsing above
2379 $GLOBALS['_xh']['headers'][$header_name] .= ' ' . trim($line);
2380 }
2381 }
2382
2383 $data = substr($data, $bd);
2384
2385 if($this->debug && count($GLOBALS['_xh']['headers']))
2386 {
2387 print '<PRE>';
2388 foreach($GLOBALS['_xh']['headers'] as $header => $value)
2389 {
2390 print htmlentities("HEADER: $header: $value\n");
2391 }
2392 foreach($GLOBALS['_xh']['cookies'] as $header => $value)
2393 {
2394 print htmlentities("COOKIE: $header={$value['value']}\n");
2395 }
2396 print "</PRE>\n";
2397 }
2398
2399 // if CURL was used for the call, http headers have been processed,
2400 // and dechunking + reinflating have been carried out
2401 if(!$headers_processed)
2402 {
2403 // Decode chunked encoding sent by http 1.1 servers
2404 if(isset($GLOBALS['_xh']['headers']['transfer-encoding']) && $GLOBALS['_xh']['headers']['transfer-encoding'] == 'chunked')
2405 {
2406 if(!$data = decode_chunked($data))
2407 {
2408 error_log('XML-RPC: xmlrpcmsg::parseResponse: errors occurred when trying to rebuild the chunked data received from server');
2409 $r =& new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['dechunk_fail'], $GLOBALS['xmlrpcstr']['dechunk_fail']);
2410 return $r;
2411 }
2412 }
2413
2414 // Decode gzip-compressed stuff
2415 // code shamelessly inspired from nusoap library by Dietrich Ayala
2416 if(isset($GLOBALS['_xh']['headers']['content-encoding']))
2417 {
2418 $GLOBALS['_xh']['headers']['content-encoding'] = str_replace('x-', '', $GLOBALS['_xh']['headers']['content-encoding']);
2419 if($GLOBALS['_xh']['headers']['content-encoding'] == 'deflate' || $GLOBALS['_xh']['headers']['content-encoding'] == 'gzip')
2420 {
2421 // if decoding works, use it. else assume data wasn't gzencoded
2422 if(function_exists('gzinflate'))
2423 {
2424 if($GLOBALS['_xh']['headers']['content-encoding'] == 'deflate' && $degzdata = @gzuncompress($data))
2425 {
2426 $data = $degzdata;
2427 if($this->debug)
2428 print "<PRE>---INFLATED RESPONSE---[".strlen($data)." chars]---\n" . htmlentities($data) . "\n---END---</PRE>";
2429 }
2430 elseif($GLOBALS['_xh']['headers']['content-encoding'] == 'gzip' && $degzdata = @gzinflate(substr($data, 10)))
2431 {
2432 $data = $degzdata;
2433 if($this->debug)
2434 print "<PRE>---INFLATED RESPONSE---[".strlen($data)." chars]---\n" . htmlentities($data) . "\n---END---</PRE>";
2435 }
2436 else
2437 {
2438 error_log('XML-RPC: xmlrpcmsg::parseResponse: errors occurred when trying to decode the deflated data received from server');
2439 $r =& new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['decompress_fail'], $GLOBALS['xmlrpcstr']['decompress_fail']);
2440 return $r;
2441 }
2442 }
2443 else
2444 {
2445 error_log('XML-RPC: xmlrpcmsg::parseResponse: the server sent deflated data. Your php install must have the Zlib extension compiled in to support this.');
2446 $r =& new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['cannot_decompress'], $GLOBALS['xmlrpcstr']['cannot_decompress']);
2447 return $r;
2448 }
2449 }
2450 }
2451 } // end of 'if needed, de-chunk, re-inflate response'
2452
2453 // real stupid hack to avoid PHP 4 complaining about returning NULL by ref
2454 $r = null;
2455 $r =& $r;
2456 return $r;
2457 }
2458
2459 /**
2460 * Parse the xmlrpc response contained in the string $data and return an xmlrpcresp object.
2461 * @param string $data the xmlrpc response, eventually including http headers
2462 * @param bool $headers_processed when true prevents parsing HTTP headers for interpretation of content-encoding and consequent decoding
2463 * @param string $return_type decides return type, i.e. content of response->value(). Either 'xmlrpcvals', 'xml' or 'phpvals'
2464 * @return xmlrpcresp
2465 * @access public
2466 */
2467 function &parseResponse($data='', $headers_processed=false, $return_type='xmlrpcvals')
2468 {
2469 if($this->debug)
2470 {
2471 //by maHo, replaced htmlspecialchars with htmlentities
2472 print "<PRE>---GOT---\n" . htmlentities($data) . "\n---END---\n</PRE>";
2473 }
2474
2475 if($data == '')
2476 {
2477 error_log('XML-RPC: xmlrpcmsg::parseResponse: no response received from server.');
2478 $r =& new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['no_data'], $GLOBALS['xmlrpcstr']['no_data']);
2479 return $r;
2480 }
2481
2482 $GLOBALS['_xh']=array();
2483
2484 $raw_data = $data;
2485 // parse the HTTP headers of the response, if present, and separate them from data
2486 if(substr($data, 0, 4) == 'HTTP')
2487 {
2488 $r =& $this->parseResponseHeaders($data, $headers_processed);
2489 if ($r)
2490 {
2491 // failed processing of HTTP response headers
2492 // save into response obj the full payload received, for debugging
2493 $r->raw_data = $data;
2494 return $r;
2495 }
2496 }
2497 else
2498 {
2499 $GLOBALS['_xh']['headers'] = array();
2500 $GLOBALS['_xh']['cookies'] = array();
2501 }
2502
2503 if($this->debug)
2504 {
2505 $start = strpos($data, '<!-- SERVER DEBUG INFO (BASE64 ENCODED):');
2506 if ($start)
2507 {
2508 $start += strlen('<!-- SERVER DEBUG INFO (BASE64 ENCODED):');
2509 $end = strpos($data, '-->', $start);
2510 $comments = substr($data, $start, $end-$start);
2511 print "<PRE>---SERVER DEBUG INFO (DECODED) ---\n\t".htmlentities(str_replace("\n", "\n\t", base64_decode($comments)))."\n---END---\n</PRE>";
2512 }
2513 }
2514
2515 // be tolerant of extra whitespace in response body
2516 $data = trim($data);
2517
2518 /// @todo return an error msg if $data=='' ?
2519
2520 // be tolerant of junk after methodResponse (e.g. javascript ads automatically inserted by free hosts)
2521 // idea from Luca Mariano <luca.mariano@email.it> originally in PEARified version of the lib
2522 $bd = false;
2523 // Poor man's version of strrpos for php 4...
2524 $pos = strpos($data, '</methodResponse>');
2525 while($pos || is_int($pos))
2526 {
2527 $bd = $pos+17;
2528 $pos = strpos($data, '</methodResponse>', $bd);
2529 }
2530 if($bd)
2531 {
2532 $data = substr($data, 0, $bd);
2533 }
2534
2535 // if user wants back raw xml, give it to him
2536 if ($return_type == 'xml')
2537 {
2538 $r =& new xmlrpcresp($data, 0, '', 'xml');
2539 $r->hdrs = $GLOBALS['_xh']['headers'];
2540 $r->_cookies = $GLOBALS['_xh']['cookies'];
2541 $r->raw_data = $raw_data;
2542 return $r;
2543 }
2544
2545 // try to 'guestimate' the character encoding of the received response
2546 $resp_encoding = guess_encoding(@$GLOBALS['_xh']['headers']['content-type'], $data);
2547
2548 $GLOBALS['_xh']['ac']='';
2549 //$GLOBALS['_xh']['qt']=''; //unused...
2550 $GLOBALS['_xh']['stack'] = array();
2551 $GLOBALS['_xh']['valuestack'] = array();
2552 $GLOBALS['_xh']['isf']=0; // 0 = OK, 1 for xmlrpc fault responses, 2 = invalid xmlrpc
2553 $GLOBALS['_xh']['isf_reason']='';
2554 $GLOBALS['_xh']['rt']=''; // 'methodcall or 'methodresponse'
2555
2556 // if response charset encoding is not known / supported, try to use
2557 // the default encoding and parse the xml anyway, but log a warning...
2558 if (!in_array($resp_encoding, array('UTF-8', 'ISO-8859-1', 'US-ASCII')))
2559 // the following code might be better for mb_string enabled installs, but
2560 // makes the lib about 200% slower...
2561 //if (!is_valid_charset($resp_encoding, array('UTF-8', 'ISO-8859-1', 'US-ASCII')))
2562 {
2563 error_log('XML-RPC: xmlrpcmsg::parseResponse: invalid charset encoding of received response: '.$resp_encoding);
2564 $resp_encoding = $GLOBALS['xmlrpc_defencoding'];
2565 }
2566 $parser = xml_parser_create($resp_encoding);
2567 xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, true);
2568 // G. Giunta 2005/02/13: PHP internally uses ISO-8859-1, so we have to tell
2569 // the xml parser to give us back data in the expected charset.
2570 // What if internal encoding is not in one of the 3 allowed?
2571 // we use the broadest one, ie. utf8
2572 // This allows to send data which is native in various charset,
2573 // by extending xmlrpc_encode_entitites() and setting xmlrpc_internalencoding
2574 if (!in_array($GLOBALS['xmlrpc_internalencoding'], array('UTF-8', 'ISO-8859-1', 'US-ASCII')))
2575 {
2576 xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, 'UTF-8');
2577 }
2578 else
2579 {
2580 xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, $GLOBALS['xmlrpc_internalencoding']);
2581 }
2582
2583 if ($return_type == 'phpvals')
2584 {
2585 xml_set_element_handler($parser, 'xmlrpc_se', 'xmlrpc_ee_fast');
2586 }
2587 else
2588 {
2589 xml_set_element_handler($parser, 'xmlrpc_se', 'xmlrpc_ee');
2590 }
2591
2592 xml_set_character_data_handler($parser, 'xmlrpc_cd');
2593 xml_set_default_handler($parser, 'xmlrpc_dh');
2594
2595 // first error check: xml not well formed
2596 if(!xml_parse($parser, $data, count($data)))
2597 {
2598 // thanks to Peter Kocks <peter.kocks@baygate.com>
2599 if((xml_get_current_line_number($parser)) == 1)
2600 {
2601 $errstr = 'XML error at line 1, check URL';
2602 }
2603 else
2604 {
2605 $errstr = sprintf('XML error: %s at line %d, column %d',
2606 xml_error_string(xml_get_error_code($parser)),
2607 xml_get_current_line_number($parser), xml_get_current_column_number($parser));
2608 }
2609 error_log($errstr);
2610 $r=&new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['invalid_return'], $GLOBALS['xmlrpcstr']['invalid_return'].' ('.$errstr.')');
2611 xml_parser_free($parser);
2612 if($this->debug)
2613 {
2614 print $errstr;
2615 }
2616 $r->hdrs = $GLOBALS['_xh']['headers'];
2617 $r->_cookies = $GLOBALS['_xh']['cookies'];
2618 $r->raw_data = $raw_data;
2619 return $r;
2620 }
2621 xml_parser_free($parser);
2622 // second error check: xml well formed but not xml-rpc compliant
2623 if ($GLOBALS['_xh']['isf'] > 1)
2624 {
2625 if ($this->debug)
2626 {
2627 /// @todo echo something for user?
2628 }
2629
2630 $r =& new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['invalid_return'],
2631 $GLOBALS['xmlrpcstr']['invalid_return'] . ' ' . $GLOBALS['_xh']['isf_reason']);
2632 }
2633 // third error check: parsing of the response has somehow gone boink.
2634 // NB: shall we omit this check, since we trust the parsing code?
2635 elseif ($return_type == 'xmlrpcvals' && !is_object($GLOBALS['_xh']['value']))
2636 {
2637 // something odd has happened
2638 // and it's time to generate a client side error
2639 // indicating something odd went on
2640 $r=&new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['invalid_return'],
2641 $GLOBALS['xmlrpcstr']['invalid_return']);
2642 }
2643 else
2644 {
2645 if ($this->debug)
2646 {
2647 print "<PRE>---PARSED---\n";
2648 // somehow htmlentities chokes on var_export, and some full html string...
2649 //print htmlentitites(var_export($GLOBALS['_xh']['value'], true));
2650 print htmlspecialchars(var_export($GLOBALS['_xh']['value'], true));
2651 print "\n---END---</PRE>";
2652 }
2653
2654 // note that using =& will raise an error if $GLOBALS['_xh']['st'] does not generate an object.
2655 $v =& $GLOBALS['_xh']['value'];
2656
2657 if($GLOBALS['_xh']['isf'])
2658 {
2659 /// @todo we should test here if server sent an int and a string,
2660 /// and/or coerce them into such...
2661 if ($return_type == 'xmlrpcvals')
2662 {
2663 $errno_v = $v->structmem('faultCode');
2664 $errstr_v = $v->structmem('faultString');
2665 $errno = $errno_v->scalarval();
2666 $errstr = $errstr_v->scalarval();
2667 }
2668 else
2669 {
2670 $errno = $v['faultCode'];
2671 $errstr = $v['faultString'];
2672 }
2673
2674 if($errno == 0)
2675 {
2676 // FAULT returned, errno needs to reflect that
2677 $errno = -1;
2678 }
2679
2680 $r =& new xmlrpcresp(0, $errno, $errstr);
2681 }
2682 else
2683 {
2684 $r=&new xmlrpcresp($v, 0, '', $return_type);
2685 }
2686 }
2687
2688 $r->hdrs = $GLOBALS['_xh']['headers'];
2689 $r->_cookies = $GLOBALS['_xh']['cookies'];
2690 $r->raw_data = $raw_data;
2691 return $r;
2692 }
2693 }
2694
2695 class xmlrpcval
2696 {
2697 var $me=array();
2698 var $mytype=0;
2699 var $_php_class=null;
2700
2701 /**
2702 * @param mixed $val
2703 * @param string $type any valid xmlrpc type name (lowercase). If null, 'string' is assumed
2704 */
2705 function xmlrpcval($val=-1, $type='')
2706 {
2707 /// @todo: optimization creep - do not call addXX, do it all inline.
2708 /// downside: booleans will not be coerced anymore
2709 if($val!==-1 || $type!='')
2710 {
2711 // optimization creep: inlined all work done by constructor
2712 switch($type)
2713 {
2714 case '':
2715 $this->mytype=1;
2716 $this->me['string']=$val;
2717 break;
2718 case 'i4':
2719 case 'int':
2720 case 'double':
2721 case 'string':
2722 case 'boolean':
2723 case 'dateTime.iso8601':
2724 case 'base64':
2725 case 'null':
2726 $this->mytype=1;
2727 $this->me[$type]=$val;
2728 break;
2729 case 'array':
2730 $this->mytype=2;
2731 $this->me['array']=$val;
2732 break;
2733 case 'struct':
2734 $this->mytype=3;
2735 $this->me['struct']=$val;
2736 break;
2737 default:
2738 error_log("XML-RPC: xmlrpcval::xmlrpcval: not a known type ($type)");
2739 }
2740 /*if($type=='')
2741 {
2742 $type='string';
2743 }
2744 if($GLOBALS['xmlrpcTypes'][$type]==1)
2745 {
2746 $this->addScalar($val,$type);
2747 }
2748 elseif($GLOBALS['xmlrpcTypes'][$type]==2)
2749 {
2750 $this->addArray($val);
2751 }
2752 elseif($GLOBALS['xmlrpcTypes'][$type]==3)
2753 {
2754 $this->addStruct($val);
2755 }*/
2756 }
2757 }
2758
2759 /**
2760 * Add a single php value to an (unitialized) xmlrpcval
2761 * @param mixed $val
2762 * @param string $type
2763 * @return int 1 or 0 on failure
2764 */
2765 function addScalar($val, $type='string')
2766 {
2767 $typeof=@$GLOBALS['xmlrpcTypes'][$type];
2768 if($typeof!=1)
2769 {
2770 error_log("XML-RPC: xmlrpcval::addScalar: not a scalar type ($type)");
2771 return 0;
2772 }
2773
2774 // coerce booleans into correct values
2775 // NB: we should iether do it for datetimes, integers and doubles, too,
2776 // or just plain remove this check, implemnted on booleans only...
2777 if($type==$GLOBALS['xmlrpcBoolean'])
2778 {
2779 if(strcasecmp($val,'true')==0 || $val==1 || ($val==true && strcasecmp($val,'false')))
2780 {
2781 $val=true;
2782 }
2783 else
2784 {
2785 $val=false;
2786 }
2787 }
2788
2789 switch($this->mytype)
2790 {
2791 case 1:
2792 error_log('XML-RPC: xmlrpcval::addScalar: scalar xmlrpcval can have only one value');
2793 return 0;
2794 case 3:
2795 error_log('XML-RPC: xmlrpcval::addScalar: cannot add anonymous scalar to struct xmlrpcval');
2796 return 0;
2797 case 2:
2798 // we're adding a scalar value to an array here
2799 //$ar=$this->me['array'];
2800 //$ar[]=&new xmlrpcval($val, $type);
2801 //$this->me['array']=$ar;
2802 // Faster (?) avoid all the costly array-copy-by-val done here...
2803 $this->me['array'][]=&new xmlrpcval($val, $type);
2804 return 1;
2805 default:
2806 // a scalar, so set the value and remember we're scalar
2807 $this->me[$type]=$val;
2808 $this->mytype=$typeof;
2809 return 1;
2810 }
2811 }
2812
2813 /**
2814 * Add an array of xmlrpcval objects to an xmlrpcval
2815 * @param array $vals
2816 * @return int 1 or 0 on failure
2817 * @access public
2818 *
2819 * @todo add some checking for $vals to be an array of xmlrpcvals?
2820 */
2821 function addArray($vals)
2822 {
2823 if($this->mytype==0)
2824 {
2825 $this->mytype=$GLOBALS['xmlrpcTypes']['array'];
2826 $this->me['array']=$vals;
2827 return 1;
2828 }
2829 elseif($this->mytype==2)
2830 {
2831 // we're adding to an array here
2832 $this->me['array'] = array_merge($this->me['array'], $vals);
2833 return 1;
2834 }
2835 else
2836 {
2837 error_log('XML-RPC: xmlrpcval::addArray: already initialized as a [' . $this->kindOf() . ']');
2838 return 0;
2839 }
2840 }
2841
2842 /**
2843 * Add an array of named xmlrpcval objects to an xmlrpcval
2844 * @param array $vals
2845 * @return int 1 or 0 on failure
2846 * @access public
2847 *
2848 * @todo add some checking for $vals to be an array?
2849 */
2850 function addStruct($vals)
2851 {
2852 if($this->mytype==0)
2853 {
2854 $this->mytype=$GLOBALS['xmlrpcTypes']['struct'];
2855 $this->me['struct']=$vals;
2856 return 1;
2857 }
2858 elseif($this->mytype==3)
2859 {
2860 // we're adding to a struct here
2861 $this->me['struct'] = array_merge($this->me['struct'], $vals);
2862 return 1;
2863 }
2864 else
2865 {
2866 error_log('XML-RPC: xmlrpcval::addStruct: already initialized as a [' . $this->kindOf() . ']');
2867 return 0;
2868 }
2869 }
2870
2871 // poor man's version of print_r ???
2872 // DEPRECATED!
2873 function dump($ar)
2874 {
2875 foreach($ar as $key => $val)
2876 {
2877 echo "$key => $val<br />";
2878 if($key == 'array')
2879 {
2880 while(list($key2, $val2) = each($val))
2881 {
2882 echo "-- $key2 => $val2<br />";
2883 }
2884 }
2885 }
2886 }
2887
2888 /**
2889 * Returns a string containing "struct", "array" or "scalar" describing the base type of the value
2890 * @return string
2891 * @access public
2892 */
2893 function kindOf()
2894 {
2895 switch($this->mytype)
2896 {
2897 case 3:
2898 return 'struct';
2899 break;
2900 case 2:
2901 return 'array';
2902 break;
2903 case 1:
2904 return 'scalar';
2905 break;
2906 default:
2907 return 'undef';
2908 }
2909 }
2910
2911 /**
2912 * @access private
2913 */
2914 function serializedata($typ, $val, $charset_encoding='')
2915 {
2916 $rs='';
2917 switch(@$GLOBALS['xmlrpcTypes'][$typ])
2918 {
2919 case 1:
2920 switch($typ)
2921 {
2922 case $GLOBALS['xmlrpcBase64']:
2923 $rs.="<${typ}>" . base64_encode($val) . "</${typ}>";
2924 break;
2925 case $GLOBALS['xmlrpcBoolean']:
2926 $rs.="<${typ}>" . ($val ? '1' : '0') . "</${typ}>";
2927 break;
2928 case $GLOBALS['xmlrpcString']:
2929 // G. Giunta 2005/2/13: do NOT use htmlentities, since
2930 // it will produce named html entities, which are invalid xml
2931 $rs.="<${typ}>" . xmlrpc_encode_entitites($val, $GLOBALS['xmlrpc_internalencoding'], $charset_encoding). "</${typ}>";
2932 break;
2933 case $GLOBALS['xmlrpcInt']:
2934 case $GLOBALS['xmlrpcI4']:
2935 $rs.="<${typ}>".(int)$val."</${typ}>";
2936 break;
2937 case $GLOBALS['xmlrpcDouble']:
2938 $rs.="<${typ}>".(double)$val."</${typ}>";
2939 break;
2940 case $GLOBALS['xmlrpcNull']:
2941 $rs.="<nil/>";
2942 break;
2943 default:
2944 // no standard type value should arrive here, but provide a possibility
2945 // for xmlrpcvals of unknown type...
2946 $rs.="<${typ}>${val}</${typ}>";
2947 }
2948 break;
2949 case 3:
2950 // struct
2951 if ($this->_php_class)
2952 {
2953 $rs.='<struct php_class="' . $this->_php_class . "\">\n";
2954 }
2955 else
2956 {
2957 $rs.="<struct>\n";
2958 }
2959 foreach($val as $key2 => $val2)
2960 {
2961 $rs.='<member><name>'.xmlrpc_encode_entitites($key2, $GLOBALS['xmlrpc_internalencoding'], $charset_encoding)."</name>\n";
2962 //$rs.=$this->serializeval($val2);
2963 $rs.=$val2->serialize($charset_encoding);
2964 $rs.="</member>\n";
2965 }
2966 $rs.='</struct>';
2967 break;
2968 case 2:
2969 // array
2970 $rs.="<array>\n<data>\n";
2971 for($i=0; $i<count($val); $i++)
2972 {
2973 //$rs.=$this->serializeval($val[$i]);
2974 $rs.=$val[$i]->serialize($charset_encoding);
2975 }
2976 $rs.="</data>\n</array>";
2977 break;
2978 default:
2979 break;
2980 }
2981 return $rs;
2982 }
2983
2984 /**
2985 * Returns xml representation of the value. XML prologue not included
2986 * @param string $charset_encoding the charset to be used for serialization. if null, US-ASCII is assumed
2987 * @return string
2988 * @access public
2989 */
2990 function serialize($charset_encoding='')
2991 {
2992 // add check? slower, but helps to avoid recursion in serializing broken xmlrpcvals...
2993 //if (is_object($o) && (get_class($o) == 'xmlrpcval' || is_subclass_of($o, 'xmlrpcval')))
2994 //{
2995 reset($this->me);
2996 list($typ, $val) = each($this->me);
2997 return '<value>' . $this->serializedata($typ, $val, $charset_encoding) . "</value>\n";
2998 //}
2999 }
3000
3001 // DEPRECATED
3002 function serializeval($o)
3003 {
3004 // add check? slower, but helps to avoid recursion in serializing broken xmlrpcvals...
3005 //if (is_object($o) && (get_class($o) == 'xmlrpcval' || is_subclass_of($o, 'xmlrpcval')))
3006 //{
3007 $ar=$o->me;
3008 reset($ar);
3009 list($typ, $val) = each($ar);
3010 return '<value>' . $this->serializedata($typ, $val) . "</value>\n";
3011 //}
3012 }
3013
3014 /**
3015 * Checks wheter a struct member with a given name is present.
3016 * Works only on xmlrpcvals of type struct.
3017 * @param string $m the name of the struct member to be looked up
3018 * @return boolean
3019 * @access public
3020 */
3021 function structmemexists($m)
3022 {
3023 return array_key_exists($m, $this->me['struct']);
3024 }
3025
3026 /**
3027 * Returns the value of a given struct member (an xmlrpcval object in itself).
3028 * Will raise a php warning if struct member of given name does not exist
3029 * @param string $m the name of the struct member to be looked up
3030 * @return xmlrpcval
3031 * @access public
3032 */
3033 function structmem($m)
3034 {
3035 return $this->me['struct'][$m];
3036 }
3037
3038 /**
3039 * Reset internal pointer for xmlrpcvals of type struct.
3040 * @access public
3041 */
3042 function structreset()
3043 {
3044 reset($this->me['struct']);
3045 }
3046
3047 /**
3048 * Return next member element for xmlrpcvals of type struct.
3049 * @return xmlrpcval
3050 * @access public
3051 */
3052 function structeach()
3053 {
3054 return each($this->me['struct']);
3055 }
3056
3057 // DEPRECATED! this code looks like it is very fragile and has not been fixed
3058 // for a long long time. Shall we remove it for 2.0?
3059 function getval()
3060 {
3061 // UNSTABLE
3062 reset($this->me);
3063 list($a,$b)=each($this->me);
3064 // contributed by I Sofer, 2001-03-24
3065 // add support for nested arrays to scalarval
3066 // i've created a new method here, so as to
3067 // preserve back compatibility
3068
3069 if(is_array($b))
3070 {
3071 @reset($b);
3072 while(list($id,$cont) = @each($b))
3073 {
3074 $b[$id] = $cont->scalarval();
3075 }
3076 }
3077
3078 // add support for structures directly encoding php objects
3079 if(is_object($b))
3080 {
3081 $t = get_object_vars($b);
3082 @reset($t);
3083 while(list($id,$cont) = @each($t))
3084 {
3085 $t[$id] = $cont->scalarval();
3086 }
3087 @reset($t);
3088 while(list($id,$cont) = @each($t))
3089 {
3090 @$b->$id = $cont;
3091 }
3092 }
3093 // end contrib
3094 return $b;
3095 }
3096
3097 /**
3098 * Returns the value of a scalar xmlrpcval
3099 * @return mixed
3100 * @access public
3101 */
3102 function scalarval()
3103 {
3104 reset($this->me);
3105 list(,$b)=each($this->me);
3106 return $b;
3107 }
3108
3109 /**
3110 * Returns the type of the xmlrpcval.
3111 * For integers, 'int' is always returned in place of 'i4'
3112 * @return string
3113 * @access public
3114 */
3115 function scalartyp()
3116 {
3117 reset($this->me);
3118 list($a,)=each($this->me);
3119 if($a==$GLOBALS['xmlrpcI4'])
3120 {
3121 $a=$GLOBALS['xmlrpcInt'];
3122 }
3123 return $a;
3124 }
3125
3126 /**
3127 * Returns the m-th member of an xmlrpcval of struct type
3128 * @param integer $m the index of the value to be retrieved (zero based)
3129 * @return xmlrpcval
3130 * @access public
3131 */
3132 function arraymem($m)
3133 {
3134 return $this->me['array'][$m];
3135 }
3136
3137 /**
3138 * Returns the number of members in an xmlrpcval of array type
3139 * @return integer
3140 * @access public
3141 */
3142 function arraysize()
3143 {
3144 return count($this->me['array']);
3145 }
3146
3147 /**
3148 * Returns the number of members in an xmlrpcval of struct type
3149 * @return integer
3150 * @access public
3151 */
3152 function structsize()
3153 {
3154 return count($this->me['struct']);
3155 }
3156 }
3157
3158
3159 // date helpers
3160
3161 /**
3162 * Given a timestamp, return the corresponding ISO8601 encoded string.
3163 *
3164 * Really, timezones ought to be supported
3165 * but the XML-RPC spec says:
3166 *
3167 * "Don't assume a timezone. It should be specified by the server in its
3168 * documentation what assumptions it makes about timezones."
3169 *
3170 * These routines always assume localtime unless
3171 * $utc is set to 1, in which case UTC is assumed
3172 * and an adjustment for locale is made when encoding
3173 *
3174 * @param int $timet (timestamp)
3175 * @param int $utc (0 or 1)
3176 * @return string
3177 */
3178 function iso8601_encode($timet, $utc=0)
3179 {
3180 if(!$utc)
3181 {
3182 $t=strftime("%Y%m%dT%H:%M:%S", $timet);
3183 }
3184 else
3185 {
3186 if(function_exists('gmstrftime'))
3187 {
3188 // gmstrftime doesn't exist in some versions
3189 // of PHP
3190 $t=gmstrftime("%Y%m%dT%H:%M:%S", $timet);
3191 }
3192 else
3193 {
3194 $t=strftime("%Y%m%dT%H:%M:%S", $timet-date('Z'));
3195 }
3196 }
3197 return $t;
3198 }
3199
3200 /**
3201 * Given an ISO8601 date string, return a timet in the localtime, or UTC
3202 * @param string $idate
3203 * @param int $utc either 0 or 1
3204 * @return int (datetime)
3205 */
3206 function iso8601_decode($idate, $utc=0)
3207 {
3208 $t=0;
3209 if(preg_match('/([0-9]{4})([0-9]{2})([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})/', $idate, $regs))
3210 {
3211 if($utc)
3212 {
3213 $t=gmmktime($regs[4], $regs[5], $regs[6], $regs[2], $regs[3], $regs[1]);
3214 }
3215 else
3216 {
3217 $t=mktime($regs[4], $regs[5], $regs[6], $regs[2], $regs[3], $regs[1]);
3218 }
3219 }
3220 return $t;
3221 }
3222
3223 /**
3224 * Takes an xmlrpc value in PHP xmlrpcval object format and translates it into native PHP types.
3225 *
3226 * Works with xmlrpc message objects as input, too.
3227 *
3228 * Given proper options parameter, can rebuild generic php object instances
3229 * (provided those have been encoded to xmlrpc format using a corresponding
3230 * option in php_xmlrpc_encode())
3231 * PLEASE NOTE that rebuilding php objects involves calling their constructor function.
3232 * This means that the remote communication end can decide which php code will
3233 * get executed on your server, leaving the door possibly open to 'php-injection'
3234 * style of attacks (provided you have some classes defined on your server that
3235 * might wreak havoc if instances are built outside an appropriate context).
3236 * Make sure you trust the remote server/client before eanbling this!
3237 *
3238 * @author Dan Libby (dan@libby.com)
3239 *
3240 * @param xmlrpcval $xmlrpc_val
3241 * @param array $options if 'decode_php_objs' is set in the options array, xmlrpc structs can be decoded into php objects
3242 * @return mixed
3243 */
3244 function php_xmlrpc_decode($xmlrpc_val, $options=array())
3245 {
3246 switch($xmlrpc_val->kindOf())
3247 {
3248 case 'scalar':
3249 if (in_array('extension_api', $options))
3250 {
3251 reset($xmlrpc_val->me);
3252 list($typ,$val) = each($xmlrpc_val->me);
3253 switch ($typ)
3254 {
3255 case 'dateTime.iso8601':
3256 $xmlrpc_val->scalar = $val;
3257 $xmlrpc_val->xmlrpc_type = 'datetime';
3258 $xmlrpc_val->timestamp = iso8601_decode($val);
3259 return $xmlrpc_val;
3260 case 'base64':
3261 $xmlrpc_val->scalar = $val;
3262 $xmlrpc_val->type = $typ;
3263 return $xmlrpc_val;
3264 default:
3265 return $xmlrpc_val->scalarval();
3266 }
3267 }
3268 return $xmlrpc_val->scalarval();
3269 case 'array':
3270 $size = $xmlrpc_val->arraysize();
3271 $arr = array();
3272 for($i = 0; $i < $size; $i++)
3273 {
3274 $arr[] = php_xmlrpc_decode($xmlrpc_val->arraymem($i), $options);
3275 }
3276 return $arr;
3277 case 'struct':
3278 $xmlrpc_val->structreset();
3279 // If user said so, try to rebuild php objects for specific struct vals.
3280 /// @todo should we raise a warning for class not found?
3281 // shall we check for proper subclass of xmlrpcval instead of
3282 // presence of _php_class to detect what we can do?
3283 if (in_array('decode_php_objs', $options) && $xmlrpc_val->_php_class != ''
3284 && class_exists($xmlrpc_val->_php_class))
3285 {
3286 $obj = @new $xmlrpc_val->_php_class;
3287 while(list($key,$value)=$xmlrpc_val->structeach())
3288 {
3289 $obj->$key = php_xmlrpc_decode($value, $options);
3290 }
3291 return $obj;
3292 }
3293 else
3294 {
3295 $arr = array();
3296 while(list($key,$value)=$xmlrpc_val->structeach())
3297 {
3298 $arr[$key] = php_xmlrpc_decode($value, $options);
3299 }
3300 return $arr;
3301 }
3302 case 'msg':
3303 $paramcount = $xmlrpc_val->getNumParams();
3304 $arr = array();
3305 for($i = 0; $i < $paramcount; $i++)
3306 {
3307 $arr[] = php_xmlrpc_decode($xmlrpc_val->getParam($i));
3308 }
3309 return $arr;
3310 }
3311 }
3312
3313 // This constant left here only for historical reasons...
3314 // it was used to decide if we have to define xmlrpc_encode on our own, but
3315 // we do not do it anymore
3316 if(function_exists('xmlrpc_decode'))
3317 {
3318 define('XMLRPC_EPI_ENABLED','1');
3319 }
3320 else
3321 {
3322 define('XMLRPC_EPI_ENABLED','0');
3323 }
3324
3325 /**
3326 * Takes native php types and encodes them into xmlrpc PHP object format.
3327 * It will not re-encode xmlrpcval objects.
3328 *
3329 * Feature creep -- could support more types via optional type argument
3330 * (string => datetime support has been added, ??? => base64 not yet)
3331 *
3332 * If given a proper options parameter, php object instances will be encoded
3333 * into 'special' xmlrpc values, that can later be decoded into php objects
3334 * by calling php_xmlrpc_decode() with a corresponding option
3335 *
3336 * @author Dan Libby (dan@libby.com)
3337 *
3338 * @param mixed $php_val the value to be converted into an xmlrpcval object
3339 * @param array $options can include 'encode_php_objs', 'auto_dates', 'null_extension' or 'extension_api'
3340 * @return xmlrpcval
3341 */
3342 function &php_xmlrpc_encode($php_val, $options=array())
3343 {
3344 $type = gettype($php_val);
3345 switch($type)
3346 {
3347 case 'string':
3348 if (in_array('auto_dates', $options) && preg_match('/^[0-9]{8}T[0-9]{2}:[0-9]{2}:[0-9]{2}$/', $php_val))
3349 $xmlrpc_val =& new xmlrpcval($php_val, $GLOBALS['xmlrpcDateTime']);
3350 else
3351 $xmlrpc_val =& new xmlrpcval($php_val, $GLOBALS['xmlrpcString']);
3352 break;
3353 case 'integer':
3354 $xmlrpc_val =& new xmlrpcval($php_val, $GLOBALS['xmlrpcInt']);
3355 break;
3356 case 'double':
3357 $xmlrpc_val =& new xmlrpcval($php_val, $GLOBALS['xmlrpcDouble']);
3358 break;
3359 // <G_Giunta_2001-02-29>
3360 // Add support for encoding/decoding of booleans, since they are supported in PHP
3361 case 'boolean':
3362 $xmlrpc_val =& new xmlrpcval($php_val, $GLOBALS['xmlrpcBoolean']);
3363 break;
3364 // </G_Giunta_2001-02-29>
3365 case 'array':
3366 // PHP arrays can be encoded to either xmlrpc structs or arrays,
3367 // depending on wheter they are hashes or plain 0..n integer indexed
3368 // A shorter one-liner would be
3369 // $tmp = array_diff(array_keys($php_val), range(0, count($php_val)-1));
3370 // but execution time skyrockets!
3371 $j = 0;
3372 $arr = array();
3373 $ko = false;
3374 foreach($php_val as $key => $val)
3375 {
3376 $arr[$key] =& php_xmlrpc_encode($val, $options);
3377 if(!$ko && $key !== $j)
3378 {
3379 $ko = true;
3380 }
3381 $j++;
3382 }
3383 if($ko)
3384 {
3385 $xmlrpc_val =& new xmlrpcval($arr, $GLOBALS['xmlrpcStruct']);
3386 }
3387 else
3388 {
3389 $xmlrpc_val =& new xmlrpcval($arr, $GLOBALS['xmlrpcArray']);
3390 }
3391 break;
3392 case 'object':
3393 if(is_a($php_val, 'xmlrpcval'))
3394 {
3395 $xmlrpc_val = $php_val;
3396 }
3397 else
3398 {
3399 $arr = array();
3400 while(list($k,$v) = each($php_val))
3401 {
3402 $arr[$k] = php_xmlrpc_encode($v, $options);
3403 }
3404 $xmlrpc_val =& new xmlrpcval($arr, $GLOBALS['xmlrpcStruct']);
3405 if (in_array('encode_php_objs', $options))
3406 {
3407 // let's save original class name into xmlrpcval:
3408 // might be useful later on...
3409 $xmlrpc_val->_php_class = get_class($php_val);
3410 }
3411 }
3412 break;
3413 case 'NULL':
3414 if (in_array('extension_api', $options))
3415 {
3416 $xmlrpc_val =& new xmlrpcval('', $GLOBALS['xmlrpcString']);
3417 }
3418 if (in_array('null_extension', $options))
3419 {
3420 $xmlrpc_val =& new xmlrpcval('', $GLOBALS['xmlrpcNull']);
3421 }
3422 else
3423 {
3424 $xmlrpc_val =& new xmlrpcval();
3425 }
3426 break;
3427 case 'resource':
3428 if (in_array('extension_api', $options))
3429 {
3430 $xmlrpc_val =& new xmlrpcval((int)$php_val, $GLOBALS['xmlrpcInt']);
3431 }
3432 else
3433 {
3434 $xmlrpc_val =& new xmlrpcval();
3435 }
3436 // catch "user function", "unknown type"
3437 default:
3438 // giancarlo pinerolo <ping@alt.it>
3439 // it has to return
3440 // an empty object in case, not a boolean.
3441 $xmlrpc_val =& new xmlrpcval();
3442 break;
3443 }
3444 return $xmlrpc_val;
3445 }
3446
3447 /**
3448 * Convert the xml representation of a method response, method request or single
3449 * xmlrpc value into the appropriate object (a.k.a. deserialize)
3450 * @param string $xml_val
3451 * @param array $options
3452 * @return mixed false on error, or an instance of either xmlrpcval, xmlrpcmsg or xmlrpcresp
3453 */
3454 function php_xmlrpc_decode_xml($xml_val, $options=array())
3455 {
3456 $GLOBALS['_xh'] = array();
3457 $GLOBALS['_xh']['ac'] = '';
3458 $GLOBALS['_xh']['stack'] = array();
3459 $GLOBALS['_xh']['valuestack'] = array();
3460 $GLOBALS['_xh']['params'] = array();
3461 $GLOBALS['_xh']['pt'] = array();
3462 $GLOBALS['_xh']['isf'] = 0;
3463 $GLOBALS['_xh']['isf_reason'] = '';
3464 $GLOBALS['_xh']['method'] = false;
3465 $GLOBALS['_xh']['rt'] = '';
3466 /// @todo 'guestimate' encoding
3467 $parser = xml_parser_create();
3468 xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, true);
3469 // What if internal encoding is not in one of the 3 allowed?
3470 // we use the broadest one, ie. utf8!
3471 if (!in_array($GLOBALS['xmlrpc_internalencoding'], array('UTF-8', 'ISO-8859-1', 'US-ASCII')))
3472 {
3473 xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, 'UTF-8');
3474 }
3475 else
3476 {
3477 xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, $GLOBALS['xmlrpc_internalencoding']);
3478 }
3479 xml_set_element_handler($parser, 'xmlrpc_se_any', 'xmlrpc_ee');
3480 xml_set_character_data_handler($parser, 'xmlrpc_cd');
3481 xml_set_default_handler($parser, 'xmlrpc_dh');
3482 if(!xml_parse($parser, $xml_val, 1))
3483 {
3484 $errstr = sprintf('XML error: %s at line %d, column %d',
3485 xml_error_string(xml_get_error_code($parser)),
3486 xml_get_current_line_number($parser), xml_get_current_column_number($parser));
3487 error_log($errstr);
3488 xml_parser_free($parser);
3489 return false;
3490 }
3491 xml_parser_free($parser);
3492 if ($GLOBALS['_xh']['isf'] > 1) // test that $GLOBALS['_xh']['value'] is an obj, too???
3493 {
3494 error_log($GLOBALS['_xh']['isf_reason']);
3495 return false;
3496 }
3497 switch ($GLOBALS['_xh']['rt'])
3498 {
3499 case 'methodresponse':
3500 $v =& $GLOBALS['_xh']['value'];
3501 if ($GLOBALS['_xh']['isf'] == 1)
3502 {
3503 $vc = $v->structmem('faultCode');
3504 $vs = $v->structmem('faultString');
3505 $r =& new xmlrpcresp(0, $vc->scalarval(), $vs->scalarval());
3506 }
3507 else
3508 {
3509 $r =& new xmlrpcresp($v);
3510 }
3511 return $r;
3512 case 'methodcall':
3513 $m =& new xmlrpcmsg($GLOBALS['_xh']['method']);
3514 for($i=0; $i < count($GLOBALS['_xh']['params']); $i++)
3515 {
3516 $m->addParam($GLOBALS['_xh']['params'][$i]);
3517 }
3518 return $m;
3519 case 'value':
3520 return $GLOBALS['_xh']['value'];
3521 default:
3522 return false;
3523 }
3524 }
3525
3526 /**
3527 * decode a string that is encoded w/ "chunked" transfer encoding
3528 * as defined in rfc2068 par. 19.4.6
3529 * code shamelessly stolen from nusoap library by Dietrich Ayala
3530 *
3531 * @param string $buffer the string to be decoded
3532 * @return string
3533 */
3534 function decode_chunked($buffer)
3535 {
3536 // length := 0
3537 $length = 0;
3538 $new = '';
3539
3540 // read chunk-size, chunk-extension (if any) and crlf
3541 // get the position of the linebreak
3542 $chunkend = strpos($buffer,"\r\n") + 2;
3543 $temp = substr($buffer,0,$chunkend);
3544 $chunk_size = hexdec( trim($temp) );
3545 $chunkstart = $chunkend;
3546 while($chunk_size > 0)
3547 {
3548 $chunkend = strpos($buffer, "\r\n", $chunkstart + $chunk_size);
3549
3550 // just in case we got a broken connection
3551 if($chunkend == false)
3552 {
3553 $chunk = substr($buffer,$chunkstart);
3554 // append chunk-data to entity-body
3555 $new .= $chunk;
3556 $length += strlen($chunk);
3557 break;
3558 }
3559
3560 // read chunk-data and crlf
3561 $chunk = substr($buffer,$chunkstart,$chunkend-$chunkstart);
3562 // append chunk-data to entity-body
3563 $new .= $chunk;
3564 // length := length + chunk-size
3565 $length += strlen($chunk);
3566 // read chunk-size and crlf
3567 $chunkstart = $chunkend + 2;
3568
3569 $chunkend = strpos($buffer,"\r\n",$chunkstart)+2;
3570 if($chunkend == false)
3571 {
3572 break; //just in case we got a broken connection
3573 }
3574 $temp = substr($buffer,$chunkstart,$chunkend-$chunkstart);
3575 $chunk_size = hexdec( trim($temp) );
3576 $chunkstart = $chunkend;
3577 }
3578 return $new;
3579 }
3580
3581 /**
3582 * xml charset encoding guessing helper function.
3583 * Tries to determine the charset encoding of an XML chunk
3584 * received over HTTP.
3585 * NB: according to the spec (RFC 3023, if text/xml content-type is received over HTTP without a content-type,
3586 * we SHOULD assume it is strictly US-ASCII. But we try to be more tolerant of unconforming (legacy?) clients/servers,
3587 * which will be most probably using UTF-8 anyway...
3588 *
3589 * @param string $httpheaders the http Content-type header
3590 * @param string $xmlchunk xml content buffer
3591 * @param string $encoding_prefs comma separated list of character encodings to be used as default (when mb extension is enabled)
3592 *
3593 * @todo explore usage of mb_http_input(): does it detect http headers + post data? if so, use it instead of hand-detection!!!
3594 */
3595 function guess_encoding($httpheader='', $xmlchunk='', $encoding_prefs=null)
3596 {
3597 // discussion: see http://www.yale.edu/pclt/encoding/
3598 // 1 - test if encoding is specified in HTTP HEADERS
3599
3600 //Details:
3601 // LWS: (\13\10)?( |\t)+
3602 // token: (any char but excluded stuff)+
3603 // header: Content-type = ...; charset=value(; ...)*
3604 // where value is of type token, no LWS allowed between 'charset' and value
3605 // Note: we do not check for invalid chars in VALUE:
3606 // this had better be done using pure ereg as below
3607
3608 /// @todo this test will pass if ANY header has charset specification, not only Content-Type. Fix it?
3609 $matches = array();
3610 if(preg_match('/;\s*charset=([^;]+)/i', $httpheader, $matches))
3611 {
3612 return strtoupper(trim($matches[1]));
3613 }
3614
3615 // 2 - scan the first bytes of the data for a UTF-16 (or other) BOM pattern
3616 // (source: http://www.w3.org/TR/2000/REC-xml-20001006)
3617 // NOTE: actually, according to the spec, even if we find the BOM and determine
3618 // an encoding, we should check if there is an encoding specified
3619 // in the xml declaration, and verify if they match.
3620 /// @todo implement check as described above?
3621 /// @todo implement check for first bytes of string even without a BOM? (It sure looks harder than for cases WITH a BOM)
3622 if(preg_match('/^(\x00\x00\xFE\xFF|\xFF\xFE\x00\x00|\x00\x00\xFF\xFE|\xFE\xFF\x00\x00)/', $xmlchunk))
3623 {
3624 return 'UCS-4';
3625 }
3626 elseif(preg_match('/^(\xFE\xFF|\xFF\xFE)/', $xmlchunk))
3627 {
3628 return 'UTF-16';
3629 }
3630 elseif(preg_match('/^(\xEF\xBB\xBF)/', $xmlchunk))
3631 {
3632 return 'UTF-8';
3633 }
3634
3635 // 3 - test if encoding is specified in the xml declaration
3636 // Details:
3637 // SPACE: (#x20 | #x9 | #xD | #xA)+ === [ \x9\xD\xA]+
3638 // EQ: SPACE?=SPACE? === [ \x9\xD\xA]*=[ \x9\xD\xA]*
3639 if (preg_match('/^<\?xml\s+version\s*=\s*'. "((?:\"[a-zA-Z0-9_.:-]+\")|(?:'[a-zA-Z0-9_.:-]+'))".
3640 '\s+encoding\s*=\s*' . "((?:\"[A-Za-z][A-Za-z0-9._-]*\")|(?:'[A-Za-z][A-Za-z0-9._-]*'))/",
3641 $xmlchunk, $matches))
3642 {
3643 return strtoupper(substr($matches[2], 1, -1));
3644 }
3645
3646 // 4 - if mbstring is available, let it do the guesswork
3647 // NB: we favour finding an encoding that is compatible with what we can process
3648 if(extension_loaded('mbstring'))
3649 {
3650 if($encoding_prefs)
3651 {
3652 $enc = mb_detect_encoding($xmlchunk, $encoding_prefs);
3653 }
3654 else
3655 {
3656 $enc = mb_detect_encoding($xmlchunk);
3657 }
3658 // NB: mb_detect likes to call it ascii, xml parser likes to call it US_ASCII...
3659 // IANA also likes better US-ASCII, so go with it
3660 if($enc == 'ASCII')
3661 {
3662 $enc = 'US-'.$enc;
3663 }
3664 return $enc;
3665 }
3666 else
3667 {
3668 // no encoding specified: as per HTTP1.1 assume it is iso-8859-1?
3669 // Both RFC 2616 (HTTP 1.1) and 1945(http 1.0) clearly state that for text/xxx content types
3670 // this should be the standard. And we should be getting text/xml as request and response.
3671 // BUT we have to be backward compatible with the lib, which always used UTF-8 as default...
3672 return $GLOBALS['xmlrpc_defencoding'];
3673 }
3674 }
3675
3676 /**
3677 * Checks if a given charset encoding is present in a list of encodings or
3678 * if it is a valid subset of any encoding in the list
3679 * @param string $encoding charset to be tested
3680 * @param mixed $validlist comma separated list of valid charsets (or array of charsets)
3681 */
3682 function is_valid_charset($encoding, $validlist)
3683 {
3684 $charset_supersets = array(
3685 'US-ASCII' => array ('ISO-8859-1', 'ISO-8859-2', 'ISO-8859-3', 'ISO-8859-4',
3686 'ISO-8859-5', 'ISO-8859-6', 'ISO-8859-7', 'ISO-8859-8',
3687 'ISO-8859-9', 'ISO-8859-10', 'ISO-8859-11', 'ISO-8859-12',
3688 'ISO-8859-13', 'ISO-8859-14', 'ISO-8859-15', 'UTF-8',
3689 'EUC-JP', 'EUC-', 'EUC-KR', 'EUC-CN')
3690 );
3691 if (is_string($validlist))
3692 $validlist = explode(',', $validlist);
3693 if (@in_array(strtoupper($encoding), $validlist))
3694 return true;
3695 else
3696 {
3697 if (array_key_exists($encoding, $charset_supersets))
3698 foreach ($validlist as $allowed)
3699 if (in_array($allowed, $charset_supersets[$encoding]))
3700 return true;
3701 return false;
3702 }
3703 }
3704
3705?> \ No newline at end of file
generated by cgit-pink 1.4.1 (git 2.36.1) at 2025-10-24 03:59:34 +0000