fix last commit: remove warnings
[plcapi.git] / lib / xmlrpc.inc
1 <?php\r
2 // by Edd Dumbill (C) 1999-2002\r
3 // <edd@usefulinc.com>\r
4 \r
5 // Copyright (c) 1999,2000,2002 Edd Dumbill.\r
6 // All rights reserved.\r
7 //\r
8 // Redistribution and use in source and binary forms, with or without\r
9 // modification, are permitted provided that the following conditions\r
10 // are met:\r
11 //\r
12 //    * Redistributions of source code must retain the above copyright\r
13 //      notice, this list of conditions and the following disclaimer.\r
14 //\r
15 //    * Redistributions in binary form must reproduce the above\r
16 //      copyright notice, this list of conditions and the following\r
17 //      disclaimer in the documentation and/or other materials provided\r
18 //      with the distribution.\r
19 //\r
20 //    * Neither the name of the "XML-RPC for PHP" nor the names of its\r
21 //      contributors may be used to endorse or promote products derived\r
22 //      from this software without specific prior written permission.\r
23 //\r
24 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\r
25 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\r
26 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS\r
27 // FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE\r
28 // REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,\r
29 // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\r
30 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR\r
31 // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r
32 // HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,\r
33 // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
34 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED\r
35 // OF THE POSSIBILITY OF SUCH DAMAGE.\r
36 \r
37         if(!function_exists('xml_parser_create'))\r
38         {\r
39                 // For PHP 4 onward, XML functionality is always compiled-in on windows:\r
40                 // no more need to dl-open it. It might have been compiled out on *nix...\r
41                 if(strtoupper(substr(PHP_OS, 0, 3) != 'WIN'))\r
42                 {\r
43                         dl('xml.so');\r
44                 }\r
45         }\r
46 \r
47         // G. Giunta 2005/01/29: declare global these variables,\r
48         // so that xmlrpc.inc will work even if included from within a function\r
49         // Milosch: 2005/08/07 - explicitly request these via $GLOBALS where used.\r
50         $GLOBALS['xmlrpcI4']='i4';\r
51         $GLOBALS['xmlrpcInt']='int';\r
52         $GLOBALS['xmlrpcBoolean']='boolean';\r
53         $GLOBALS['xmlrpcDouble']='double';\r
54         $GLOBALS['xmlrpcString']='string';\r
55         $GLOBALS['xmlrpcDateTime']='dateTime.iso8601';\r
56         $GLOBALS['xmlrpcBase64']='base64';\r
57         $GLOBALS['xmlrpcArray']='array';\r
58         $GLOBALS['xmlrpcStruct']='struct';\r
59         $GLOBALS['xmlrpcValue']='undefined';\r
60 \r
61         $GLOBALS['xmlrpcTypes']=array(\r
62                 $GLOBALS['xmlrpcI4']       => 1,\r
63                 $GLOBALS['xmlrpcInt']      => 1,\r
64                 $GLOBALS['xmlrpcBoolean']  => 1,\r
65                 $GLOBALS['xmlrpcString']   => 1,\r
66                 $GLOBALS['xmlrpcDouble']   => 1,\r
67                 $GLOBALS['xmlrpcDateTime'] => 1,\r
68                 $GLOBALS['xmlrpcBase64']   => 1,\r
69                 $GLOBALS['xmlrpcArray']    => 2,\r
70                 $GLOBALS['xmlrpcStruct']   => 3\r
71         );\r
72 \r
73         $GLOBALS['xmlrpc_valid_parents'] = array(\r
74                 'VALUE' => array('MEMBER', 'DATA', 'PARAM', 'FAULT'),\r
75                 'BOOLEAN' => array('VALUE'),\r
76                 'I4' => array('VALUE'),\r
77                 'INT' => array('VALUE'),\r
78                 'STRING' => array('VALUE'),\r
79                 'DOUBLE' => array('VALUE'),\r
80                 'DATETIME.ISO8601' => array('VALUE'),\r
81                 'BASE64' => array('VALUE'),\r
82                 'MEMBER' => array('STRUCT'),\r
83                 'NAME' => array('MEMBER'),\r
84                 'DATA' => array('ARRAY'),\r
85                 'ARRAY' => array('VALUE'),\r
86                 'STRUCT' => array('VALUE'),\r
87                 'PARAM' => array('PARAMS'),\r
88                 'METHODNAME' => array('METHODCALL'),\r
89                 'PARAMS' => array('METHODCALL', 'METHODRESPONSE'),\r
90                 'FAULT' => array('METHODRESPONSE'),\r
91                 'NIL' => array('VALUE'), // only used when extension activated\r
92                 'EX:NIL' => array('VALUE') // only used when extension activated\r
93         );\r
94 \r
95         // define extra types for supporting NULL (useful for json or <NIL/>)\r
96         $GLOBALS['xmlrpcNull']='null';\r
97         $GLOBALS['xmlrpcTypes']['null']=1;\r
98 \r
99         // Not in use anymore since 2.0. Shall we remove it?\r
100         /// @deprecated\r
101         $GLOBALS['xmlEntities']=array(\r
102                 'amp'  => '&',\r
103                 'quot' => '"',\r
104                 'lt'   => '<',\r
105                 'gt'   => '>',\r
106                 'apos' => "'"\r
107         );\r
108 \r
109         // tables used for transcoding different charsets into us-ascii xml\r
110 \r
111         $GLOBALS['xml_iso88591_Entities']=array();\r
112         $GLOBALS['xml_iso88591_Entities']['in'] = array();\r
113         $GLOBALS['xml_iso88591_Entities']['out'] = array();\r
114         for ($i = 0; $i < 32; $i++)\r
115         {\r
116                 $GLOBALS['xml_iso88591_Entities']['in'][] = chr($i);\r
117                 $GLOBALS['xml_iso88591_Entities']['out'][] = '&#'.$i.';';\r
118         }\r
119         for ($i = 160; $i < 256; $i++)\r
120         {\r
121                 $GLOBALS['xml_iso88591_Entities']['in'][] = chr($i);\r
122                 $GLOBALS['xml_iso88591_Entities']['out'][] = '&#'.$i.';';\r
123         }\r
124 \r
125         /// @todo add to iso table the characters from cp_1252 range, i.e. 128 to 159?\r
126         /// These will NOT be present in true ISO-8859-1, but will save the unwary\r
127         /// windows user from sending junk (though no luck when reciving them...)\r
128   /*\r
129         $GLOBALS['xml_cp1252_Entities']=array();\r
130         for ($i = 128; $i < 160; $i++)\r
131         {\r
132                 $GLOBALS['xml_cp1252_Entities']['in'][] = chr($i);\r
133         }\r
134         $GLOBALS['xml_cp1252_Entities']['out'] = array(\r
135                 '&#x20AC;', '?',        '&#x201A;', '&#x0192;',\r
136                 '&#x201E;', '&#x2026;', '&#x2020;', '&#x2021;',\r
137                 '&#x02C6;', '&#x2030;', '&#x0160;', '&#x2039;',\r
138                 '&#x0152;', '?',        '&#x017D;', '?',\r
139                 '?',        '&#x2018;', '&#x2019;', '&#x201C;',\r
140                 '&#x201D;', '&#x2022;', '&#x2013;', '&#x2014;',\r
141                 '&#x02DC;', '&#x2122;', '&#x0161;', '&#x203A;',\r
142                 '&#x0153;', '?',        '&#x017E;', '&#x0178;'\r
143         );\r
144   */\r
145 \r
146         $GLOBALS['xmlrpcerr'] = array(\r
147         'unknown_method'=>1,\r
148         'invalid_return'=>2,\r
149         'incorrect_params'=>3,\r
150         'introspect_unknown'=>4,\r
151         'http_error'=>5,\r
152         'no_data'=>6,\r
153         'no_ssl'=>7,\r
154         'curl_fail'=>8,\r
155         'invalid_request'=>15,\r
156         'no_curl'=>16,\r
157         'server_error'=>17,\r
158         'multicall_error'=>18,\r
159         'multicall_notstruct'=>9,\r
160         'multicall_nomethod'=>10,\r
161         'multicall_notstring'=>11,\r
162         'multicall_recursion'=>12,\r
163         'multicall_noparams'=>13,\r
164         'multicall_notarray'=>14,\r
165 \r
166         'cannot_decompress'=>103,\r
167         'decompress_fail'=>104,\r
168         'dechunk_fail'=>105,\r
169         'server_cannot_decompress'=>106,\r
170         'server_decompress_fail'=>107\r
171         );\r
172 \r
173         $GLOBALS['xmlrpcstr'] = array(\r
174         'unknown_method'=>'Unknown method',\r
175         'invalid_return'=>'Invalid return payload: enable debugging to examine incoming payload',\r
176         'incorrect_params'=>'Incorrect parameters passed to method',\r
177         'introspect_unknown'=>"Can't introspect: method unknown",\r
178         'http_error'=>"Didn't receive 200 OK from remote server.",\r
179         'no_data'=>'No data received from server.',\r
180         'no_ssl'=>'No SSL support compiled in.',\r
181         'curl_fail'=>'CURL error',\r
182         'invalid_request'=>'Invalid request payload',\r
183         'no_curl'=>'No CURL support compiled in.',\r
184         'server_error'=>'Internal server error',\r
185         'multicall_error'=>'Received from server invalid multicall response',\r
186         'multicall_notstruct'=>'system.multicall expected struct',\r
187         'multicall_nomethod'=>'missing methodName',\r
188         'multicall_notstring'=>'methodName is not a string',\r
189         'multicall_recursion'=>'recursive system.multicall forbidden',\r
190         'multicall_noparams'=>'missing params',\r
191         'multicall_notarray'=>'params is not an array',\r
192 \r
193         'cannot_decompress'=>'Received from server compressed HTTP and cannot decompress',\r
194         'decompress_fail'=>'Received from server invalid compressed HTTP',\r
195         'dechunk_fail'=>'Received from server invalid chunked HTTP',\r
196         'server_cannot_decompress'=>'Received from client compressed HTTP request and cannot decompress',\r
197         'server_decompress_fail'=>'Received from client invalid compressed HTTP request'\r
198         );\r
199 \r
200         // The charset encoding used by the server for received messages and\r
201         // by the client for received responses when received charset cannot be determined\r
202         // or is not supported\r
203         $GLOBALS['xmlrpc_defencoding']='UTF-8';\r
204 \r
205         // The encoding used internally by PHP.\r
206         // String values received as xml will be converted to this, and php strings will be converted to xml\r
207         // as if having been coded with this\r
208         $GLOBALS['xmlrpc_internalencoding']='ISO-8859-1';\r
209 \r
210         $GLOBALS['xmlrpcName']='XML-RPC for PHP';\r
211         $GLOBALS['xmlrpcVersion']='3.0.1';\r
212 \r
213         // let user errors start at 800\r
214         $GLOBALS['xmlrpcerruser']=800;\r
215         // let XML parse errors start at 100\r
216         $GLOBALS['xmlrpcerrxml']=100;\r
217 \r
218         // formulate backslashes for escaping regexp\r
219         // Not in use anymore since 2.0. Shall we remove it?\r
220         /// @deprecated\r
221         $GLOBALS['xmlrpc_backslash']=chr(92).chr(92);\r
222 \r
223         // set to TRUE to enable correct decoding of <NIL/> and <EX:NIL/> values\r
224         $GLOBALS['xmlrpc_null_extension']=false;\r
225 \r
226         // set to TRUE to enable encoding of php NULL values to <EX:NIL/> instead of <NIL/>\r
227         $GLOBALS['xmlrpc_null_apache_encoding']=false;\r
228         $GLOBALS['xmlrpc_null_apache_encoding_ns']='http://ws.apache.org/xmlrpc/namespaces/extensions';\r
229 \r
230         // used to store state during parsing\r
231         // quick explanation of components:\r
232         //   ac - used to accumulate values\r
233         //   isf - used to indicate a parsing fault (2) or xmlrpcresp fault (1)\r
234         //   isf_reason - used for storing xmlrpcresp fault string\r
235         //   lv - used to indicate "looking for a value": implements\r
236         //        the logic to allow values with no types to be strings\r
237         //   params - used to store parameters in method calls\r
238         //   method - used to store method name\r
239         //   stack - array with genealogy of xml elements names:\r
240         //           used to validate nesting of xmlrpc elements\r
241         $GLOBALS['_xh']=null;\r
242 \r
243         /**\r
244         * Convert a string to the correct XML representation in a target charset\r
245         * To help correct communication of non-ascii chars inside strings, regardless\r
246         * of the charset used when sending requests, parsing them, sending responses\r
247         * and parsing responses, an option is to convert all non-ascii chars present in the message\r
248         * into their equivalent 'charset entity'. Charset entities enumerated this way\r
249         * are independent of the charset encoding used to transmit them, and all XML\r
250         * parsers are bound to understand them.\r
251         * Note that in the std case we are not sending a charset encoding mime type\r
252         * along with http headers, so we are bound by RFC 3023 to emit strict us-ascii.\r
253         *\r
254         * @todo do a bit of basic benchmarking (strtr vs. str_replace)\r
255         * @todo make usage of iconv() or recode_string() or mb_string() where available\r
256         */\r
257         function xmlrpc_encode_entitites($data, $src_encoding='', $dest_encoding='')\r
258         {\r
259                 if ($src_encoding == '')\r
260                 {\r
261                         // lame, but we know no better...\r
262                         $src_encoding = $GLOBALS['xmlrpc_internalencoding'];\r
263                 }\r
264 \r
265                 switch(strtoupper($src_encoding.'_'.$dest_encoding))\r
266                 {\r
267                         case 'ISO-8859-1_':\r
268                         case 'ISO-8859-1_US-ASCII':\r
269                                 $escaped_data = str_replace(array('&', '"', "'", '<', '>'), array('&amp;', '&quot;', '&apos;', '&lt;', '&gt;'), $data);\r
270                                 $escaped_data = str_replace($GLOBALS['xml_iso88591_Entities']['in'], $GLOBALS['xml_iso88591_Entities']['out'], $escaped_data);\r
271                                 break;\r
272                         case 'ISO-8859-1_UTF-8':\r
273                                 $escaped_data = str_replace(array('&', '"', "'", '<', '>'), array('&amp;', '&quot;', '&apos;', '&lt;', '&gt;'), $data);\r
274                                 $escaped_data = utf8_encode($escaped_data);\r
275                                 break;\r
276                         case 'ISO-8859-1_ISO-8859-1':\r
277                         case 'US-ASCII_US-ASCII':\r
278                         case 'US-ASCII_UTF-8':\r
279                         case 'US-ASCII_':\r
280                         case 'US-ASCII_ISO-8859-1':\r
281                         case 'UTF-8_UTF-8':\r
282                         //case 'CP1252_CP1252':\r
283                                 $escaped_data = str_replace(array('&', '"', "'", '<', '>'), array('&amp;', '&quot;', '&apos;', '&lt;', '&gt;'), $data);\r
284                                 break;\r
285                         case 'UTF-8_':\r
286                         case 'UTF-8_US-ASCII':\r
287                         case 'UTF-8_ISO-8859-1':\r
288         // NB: this will choke on invalid UTF-8, going most likely beyond EOF\r
289         $escaped_data = '';\r
290         // be kind to users creating string xmlrpcvals out of different php types\r
291         $data = (string) $data;\r
292         $ns = strlen ($data);\r
293         for ($nn = 0; $nn < $ns; $nn++)\r
294         {\r
295                 $ch = $data[$nn];\r
296                 $ii = ord($ch);\r
297                 //1 7 0bbbbbbb (127)\r
298                 if ($ii < 128)\r
299                 {\r
300                         /// @todo shall we replace this with a (supposedly) faster str_replace?\r
301                         switch($ii){\r
302                                 case 34:\r
303                                         $escaped_data .= '&quot;';\r
304                                         break;\r
305                                 case 38:\r
306                                         $escaped_data .= '&amp;';\r
307                                         break;\r
308                                 case 39:\r
309                                         $escaped_data .= '&apos;';\r
310                                         break;\r
311                                 case 60:\r
312                                         $escaped_data .= '&lt;';\r
313                                         break;\r
314                                 case 62:\r
315                                         $escaped_data .= '&gt;';\r
316                                         break;\r
317                                 default:\r
318                                         $escaped_data .= $ch;\r
319                         } // switch\r
320                 }\r
321                 //2 11 110bbbbb 10bbbbbb (2047)\r
322                 else if ($ii>>5 == 6)\r
323                 {\r
324                         $b1 = ($ii & 31);\r
325                         $ii = ord($data[$nn+1]);\r
326                         $b2 = ($ii & 63);\r
327                         $ii = ($b1 * 64) + $b2;\r
328                         $ent = sprintf ('&#%d;', $ii);\r
329                         $escaped_data .= $ent;\r
330                         $nn += 1;\r
331                 }\r
332                 //3 16 1110bbbb 10bbbbbb 10bbbbbb\r
333                 else if ($ii>>4 == 14)\r
334                 {\r
335                         $b1 = ($ii & 15);\r
336                         $ii = ord($data[$nn+1]);\r
337                         $b2 = ($ii & 63);\r
338                         $ii = ord($data[$nn+2]);\r
339                         $b3 = ($ii & 63);\r
340                         $ii = ((($b1 * 64) + $b2) * 64) + $b3;\r
341                         $ent = sprintf ('&#%d;', $ii);\r
342                         $escaped_data .= $ent;\r
343                         $nn += 2;\r
344                 }\r
345                 //4 21 11110bbb 10bbbbbb 10bbbbbb 10bbbbbb\r
346                 else if ($ii>>3 == 30)\r
347                 {\r
348                         $b1 = ($ii & 7);\r
349                         $ii = ord($data[$nn+1]);\r
350                         $b2 = ($ii & 63);\r
351                         $ii = ord($data[$nn+2]);\r
352                         $b3 = ($ii & 63);\r
353                         $ii = ord($data[$nn+3]);\r
354                         $b4 = ($ii & 63);\r
355                         $ii = ((((($b1 * 64) + $b2) * 64) + $b3) * 64) + $b4;\r
356                         $ent = sprintf ('&#%d;', $ii);\r
357                         $escaped_data .= $ent;\r
358                         $nn += 3;\r
359                 }\r
360         }\r
361                                 break;\r
362 /*\r
363                         case 'CP1252_':\r
364                         case 'CP1252_US-ASCII':\r
365                                 $escaped_data = str_replace(array('&', '"', "'", '<', '>'), array('&amp;', '&quot;', '&apos;', '&lt;', '&gt;'), $data);\r
366                                 $escaped_data = str_replace($GLOBALS['xml_iso88591_Entities']['in'], $GLOBALS['xml_iso88591_Entities']['out'], $escaped_data);\r
367                                 $escaped_data = str_replace($GLOBALS['xml_cp1252_Entities']['in'], $GLOBALS['xml_cp1252_Entities']['out'], $escaped_data);\r
368                                 break;\r
369                         case 'CP1252_UTF-8':\r
370                                 $escaped_data = str_replace(array('&', '"', "'", '<', '>'), array('&amp;', '&quot;', '&apos;', '&lt;', '&gt;'), $data);\r
371                                 /// @todo we could use real UTF8 chars here instead of xml entities... (note that utf_8 encode all allone will NOT convert them)\r
372                                 $escaped_data = str_replace($GLOBALS['xml_cp1252_Entities']['in'], $GLOBALS['xml_cp1252_Entities']['out'], $escaped_data);\r
373                                 $escaped_data = utf8_encode($escaped_data);\r
374                                 break;\r
375                         case 'CP1252_ISO-8859-1':\r
376                                 $escaped_data = str_replace(array('&', '"', "'", '<', '>'), array('&amp;', '&quot;', '&apos;', '&lt;', '&gt;'), $data);\r
377                                 // 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...\r
378                                 $escaped_data = str_replace($GLOBALS['xml_cp1252_Entities']['in'], $GLOBALS['xml_cp1252_Entities']['out'], $escaped_data);\r
379                                 break;\r
380 */\r
381                         default:\r
382                                 $escaped_data = '';\r
383                                 error_log("Converting from $src_encoding to $dest_encoding: not supported...");\r
384                 }\r
385                 return $escaped_data;\r
386         }\r
387 \r
388         /// xml parser handler function for opening element tags\r
389         function xmlrpc_se($parser, $name, $attrs, $accept_single_vals=false)\r
390         {\r
391                 // if invalid xmlrpc already detected, skip all processing\r
392                 if ($GLOBALS['_xh']['isf'] < 2)\r
393                 {\r
394                         // check for correct element nesting\r
395                         // top level element can only be of 2 types\r
396                         /// @todo optimization creep: save this check into a bool variable, instead of using count() every time:\r
397                         ///       there is only a single top level element in xml anyway\r
398                         if (count($GLOBALS['_xh']['stack']) == 0)\r
399                         {\r
400                                 if ($name != 'METHODRESPONSE' && $name != 'METHODCALL' && (\r
401                                         $name != 'VALUE' && !$accept_single_vals))\r
402                                 {\r
403                                         $GLOBALS['_xh']['isf'] = 2;\r
404                                         $GLOBALS['_xh']['isf_reason'] = 'missing top level xmlrpc element';\r
405                                         return;\r
406                                 }\r
407                                 else\r
408                                 {\r
409                                         $GLOBALS['_xh']['rt'] = strtolower($name);\r
410                                         $GLOBALS['_xh']['rt'] = strtolower($name);\r
411                                 }\r
412                         }\r
413                         else\r
414                         {\r
415                                 // not top level element: see if parent is OK\r
416                                 $parent = end($GLOBALS['_xh']['stack']);\r
417                                 if (!array_key_exists($name, $GLOBALS['xmlrpc_valid_parents']) || !in_array($parent, $GLOBALS['xmlrpc_valid_parents'][$name]))\r
418                                 {\r
419                                         $GLOBALS['_xh']['isf'] = 2;\r
420                                         $GLOBALS['_xh']['isf_reason'] = "xmlrpc element $name cannot be child of $parent";\r
421                                         return;\r
422                                 }\r
423                         }\r
424 \r
425                         switch($name)\r
426                         {\r
427                                 // optimize for speed switch cases: most common cases first\r
428                                 case 'VALUE':\r
429                                         /// @todo we could check for 2 VALUE elements inside a MEMBER or PARAM element\r
430                                         $GLOBALS['_xh']['vt']='value'; // indicator: no value found yet\r
431                                         $GLOBALS['_xh']['ac']='';\r
432                                         $GLOBALS['_xh']['lv']=1;\r
433                                         $GLOBALS['_xh']['php_class']=null;\r
434                                         break;\r
435                                 case 'I4':\r
436                                 case 'INT':\r
437                                 case 'STRING':\r
438                                 case 'BOOLEAN':\r
439                                 case 'DOUBLE':\r
440                                 case 'DATETIME.ISO8601':\r
441                                 case 'BASE64':\r
442                                         if ($GLOBALS['_xh']['vt']!='value')\r
443                                         {\r
444                                                 //two data elements inside a value: an error occurred!\r
445                                                 $GLOBALS['_xh']['isf'] = 2;\r
446                                                 $GLOBALS['_xh']['isf_reason'] = "$name element following a {$GLOBALS['_xh']['vt']} element inside a single value";\r
447                                                 return;\r
448                                         }\r
449                                         $GLOBALS['_xh']['ac']=''; // reset the accumulator\r
450                                         break;\r
451                                 case 'STRUCT':\r
452                                 case 'ARRAY':\r
453                                         if ($GLOBALS['_xh']['vt']!='value')\r
454                                         {\r
455                                                 //two data elements inside a value: an error occurred!\r
456                                                 $GLOBALS['_xh']['isf'] = 2;\r
457                                                 $GLOBALS['_xh']['isf_reason'] = "$name element following a {$GLOBALS['_xh']['vt']} element inside a single value";\r
458                                                 return;\r
459                                         }\r
460                                         // create an empty array to hold child values, and push it onto appropriate stack\r
461                                         $cur_val = array();\r
462                                         $cur_val['values'] = array();\r
463                                         $cur_val['type'] = $name;\r
464                                         // check for out-of-band information to rebuild php objs\r
465                                         // and in case it is found, save it\r
466                                         if (@isset($attrs['PHP_CLASS']))\r
467                                         {\r
468                                                 $cur_val['php_class'] = $attrs['PHP_CLASS'];\r
469                                         }\r
470                                         $GLOBALS['_xh']['valuestack'][] = $cur_val;\r
471                                         $GLOBALS['_xh']['vt']='data'; // be prepared for a data element next\r
472                                         break;\r
473                                 case 'DATA':\r
474                                         if ($GLOBALS['_xh']['vt']!='data')\r
475                                         {\r
476                                                 //two data elements inside a value: an error occurred!\r
477                                                 $GLOBALS['_xh']['isf'] = 2;\r
478                                                 $GLOBALS['_xh']['isf_reason'] = "found two data elements inside an array element";\r
479                                                 return;\r
480                                         }\r
481                                 case 'METHODCALL':\r
482                                 case 'METHODRESPONSE':\r
483                                 case 'PARAMS':\r
484                                         // valid elements that add little to processing\r
485                                         break;\r
486                                 case 'METHODNAME':\r
487                                 case 'NAME':\r
488                                         /// @todo we could check for 2 NAME elements inside a MEMBER element\r
489                                         $GLOBALS['_xh']['ac']='';\r
490                                         break;\r
491                                 case 'FAULT':\r
492                                         $GLOBALS['_xh']['isf']=1;\r
493                                         break;\r
494                                 case 'MEMBER':\r
495                                         $GLOBALS['_xh']['valuestack'][count($GLOBALS['_xh']['valuestack'])-1]['name']=''; // set member name to null, in case we do not find in the xml later on\r
496                                         //$GLOBALS['_xh']['ac']='';\r
497                                         // Drop trough intentionally\r
498                                 case 'PARAM':\r
499                                         // clear value type, so we can check later if no value has been passed for this param/member\r
500                                         $GLOBALS['_xh']['vt']=null;\r
501                                         break;\r
502                                 case 'NIL':\r
503                                 case 'EX:NIL':\r
504                                         if ($GLOBALS['xmlrpc_null_extension'])\r
505                                         {\r
506                                                 if ($GLOBALS['_xh']['vt']!='value')\r
507                                                 {\r
508                                                         //two data elements inside a value: an error occurred!\r
509                                                         $GLOBALS['_xh']['isf'] = 2;\r
510                                                         $GLOBALS['_xh']['isf_reason'] = "$name element following a {$GLOBALS['_xh']['vt']} element inside a single value";\r
511                                                         return;\r
512                                                 }\r
513                                                 $GLOBALS['_xh']['ac']=''; // reset the accumulator\r
514                                                 break;\r
515                                         }\r
516                                         // we do not support the <NIL/> extension, so\r
517                                         // drop through intentionally\r
518                                 default:\r
519                                         /// INVALID ELEMENT: RAISE ISF so that it is later recognized!!!\r
520                                         $GLOBALS['_xh']['isf'] = 2;\r
521                                         $GLOBALS['_xh']['isf_reason'] = "found not-xmlrpc xml element $name";\r
522                                         break;\r
523                         }\r
524 \r
525                         // Save current element name to stack, to validate nesting\r
526                         $GLOBALS['_xh']['stack'][] = $name;\r
527 \r
528                         /// @todo optimization creep: move this inside the big switch() above\r
529                         if($name!='VALUE')\r
530                         {\r
531                                 $GLOBALS['_xh']['lv']=0;\r
532                         }\r
533                 }\r
534         }\r
535 \r
536         /// Used in decoding xml chunks that might represent single xmlrpc values\r
537         function xmlrpc_se_any($parser, $name, $attrs)\r
538         {\r
539                 xmlrpc_se($parser, $name, $attrs, true);\r
540         }\r
541 \r
542         /// xml parser handler function for close element tags\r
543         function xmlrpc_ee($parser, $name, $rebuild_xmlrpcvals = true)\r
544         {\r
545                 if ($GLOBALS['_xh']['isf'] < 2)\r
546                 {\r
547                         // push this element name from stack\r
548                         // NB: if XML validates, correct opening/closing is guaranteed and\r
549                         // we do not have to check for $name == $curr_elem.\r
550                         // we also checked for proper nesting at start of elements...\r
551                         $curr_elem = array_pop($GLOBALS['_xh']['stack']);\r
552 \r
553                         switch($name)\r
554                         {\r
555                                 case 'VALUE':\r
556                                         // This if() detects if no scalar was inside <VALUE></VALUE>\r
557                                         if ($GLOBALS['_xh']['vt']=='value')\r
558                                         {\r
559                                                 $GLOBALS['_xh']['value']=$GLOBALS['_xh']['ac'];\r
560                                                 $GLOBALS['_xh']['vt']=$GLOBALS['xmlrpcString'];\r
561                                         }\r
562 \r
563                                         if ($rebuild_xmlrpcvals)\r
564                                         {\r
565                                                 // build the xmlrpc val out of the data received, and substitute it\r
566                                                 $temp = new xmlrpcval($GLOBALS['_xh']['value'], $GLOBALS['_xh']['vt']);\r
567                                                 // in case we got info about underlying php class, save it\r
568                                                 // in the object we're rebuilding\r
569                                                 if (isset($GLOBALS['_xh']['php_class']))\r
570                                                         $temp->_php_class = $GLOBALS['_xh']['php_class'];\r
571                                                 // check if we are inside an array or struct:\r
572                                                 // if value just built is inside an array, let's move it into array on the stack\r
573                                                 $vscount = count($GLOBALS['_xh']['valuestack']);\r
574                                                 if ($vscount && $GLOBALS['_xh']['valuestack'][$vscount-1]['type']=='ARRAY')\r
575                                                 {\r
576                                                         $GLOBALS['_xh']['valuestack'][$vscount-1]['values'][] = $temp;\r
577                                                 }\r
578                                                 else\r
579                                                 {\r
580                                                         $GLOBALS['_xh']['value'] = $temp;\r
581                                                 }\r
582                                         }\r
583                                         else\r
584                                         {\r
585                                                 /// @todo this needs to treat correctly php-serialized objects,\r
586                                                 /// since std deserializing is done by php_xmlrpc_decode,\r
587                                                 /// which we will not be calling...\r
588                                                 if (isset($GLOBALS['_xh']['php_class']))\r
589                                                 {\r
590                                                 }\r
591 \r
592                                                 // check if we are inside an array or struct:\r
593                                                 // if value just built is inside an array, let's move it into array on the stack\r
594                                                 $vscount = count($GLOBALS['_xh']['valuestack']);\r
595                                                 if ($vscount && $GLOBALS['_xh']['valuestack'][$vscount-1]['type']=='ARRAY')\r
596                                                 {\r
597                                                         $GLOBALS['_xh']['valuestack'][$vscount-1]['values'][] = $GLOBALS['_xh']['value'];\r
598                                                 }\r
599                                         }\r
600                                         break;\r
601                                 case 'BOOLEAN':\r
602                                 case 'I4':\r
603                                 case 'INT':\r
604                                 case 'STRING':\r
605                                 case 'DOUBLE':\r
606                                 case 'DATETIME.ISO8601':\r
607                                 case 'BASE64':\r
608                                         $GLOBALS['_xh']['vt']=strtolower($name);\r
609                                         /// @todo: optimization creep - remove the if/elseif cycle below\r
610                                         /// since the case() in which we are already did that\r
611                                         if ($name=='STRING')\r
612                                         {\r
613                                                 $GLOBALS['_xh']['value']=$GLOBALS['_xh']['ac'];\r
614                                         }\r
615                                         elseif ($name=='DATETIME.ISO8601')\r
616                                         {\r
617                                                 if (!preg_match('/^[0-9]{8}T[0-9]{2}:[0-9]{2}:[0-9]{2}$/', $GLOBALS['_xh']['ac']))\r
618                                                 {\r
619                                                         error_log('XML-RPC: invalid value received in DATETIME: '.$GLOBALS['_xh']['ac']);\r
620                                                 }\r
621                                                 $GLOBALS['_xh']['vt']=$GLOBALS['xmlrpcDateTime'];\r
622                                                 $GLOBALS['_xh']['value']=$GLOBALS['_xh']['ac'];\r
623                                         }\r
624                                         elseif ($name=='BASE64')\r
625                                         {\r
626                                                 /// @todo check for failure of base64 decoding / catch warnings\r
627                                                 $GLOBALS['_xh']['value']=base64_decode($GLOBALS['_xh']['ac']);\r
628                                         }\r
629                                         elseif ($name=='BOOLEAN')\r
630                                         {\r
631                                                 // special case here: we translate boolean 1 or 0 into PHP\r
632                                                 // constants true or false.\r
633                                                 // Strings 'true' and 'false' are accepted, even though the\r
634                                                 // spec never mentions them (see eg. Blogger api docs)\r
635                                                 // NB: this simple checks helps a lot sanitizing input, ie no\r
636                                                 // security problems around here\r
637                                                 if ($GLOBALS['_xh']['ac']=='1' || strcasecmp($GLOBALS['_xh']['ac'], 'true') == 0)\r
638                                                 {\r
639                                                         $GLOBALS['_xh']['value']=true;\r
640                                                 }\r
641                                                 else\r
642                                                 {\r
643                                                         // log if receiveing something strange, even though we set the value to false anyway\r
644                                                         if ($GLOBALS['_xh']['ac']!='0' && strcasecmp($GLOBALS['_xh']['ac'], 'false') != 0)\r
645                                                                 error_log('XML-RPC: invalid value received in BOOLEAN: '.$GLOBALS['_xh']['ac']);\r
646                                                         $GLOBALS['_xh']['value']=false;\r
647                                                 }\r
648                                         }\r
649                                         elseif ($name=='DOUBLE')\r
650                                         {\r
651                                                 // we have a DOUBLE\r
652                                                 // we must check that only 0123456789-.<space> are characters here\r
653                                                 // NOTE: regexp could be much stricter than this...\r
654                                                 if (!preg_match('/^[+-eE0123456789 \t.]+$/', $GLOBALS['_xh']['ac']))\r
655                                                 {\r
656                                                         /// @todo: find a better way of throwing an error than this!\r
657                                                         error_log('XML-RPC: non numeric value received in DOUBLE: '.$GLOBALS['_xh']['ac']);\r
658                                                         $GLOBALS['_xh']['value']='ERROR_NON_NUMERIC_FOUND';\r
659                                                 }\r
660                                                 else\r
661                                                 {\r
662                                                         // it's ok, add it on\r
663                                                         $GLOBALS['_xh']['value']=(double)$GLOBALS['_xh']['ac'];\r
664                                                 }\r
665                                         }\r
666                                         else\r
667                                         {\r
668                                                 // we have an I4/INT\r
669                                                 // we must check that only 0123456789-<space> are characters here\r
670                                                 if (!preg_match('/^[+-]?[0123456789 \t]+$/', $GLOBALS['_xh']['ac']))\r
671                                                 {\r
672                                                         /// @todo find a better way of throwing an error than this!\r
673                                                         error_log('XML-RPC: non numeric value received in INT: '.$GLOBALS['_xh']['ac']);\r
674                                                         $GLOBALS['_xh']['value']='ERROR_NON_NUMERIC_FOUND';\r
675                                                 }\r
676                                                 else\r
677                                                 {\r
678                                                         // it's ok, add it on\r
679                                                         $GLOBALS['_xh']['value']=(int)$GLOBALS['_xh']['ac'];\r
680                                                 }\r
681                                         }\r
682                                         //$GLOBALS['_xh']['ac']=''; // is this necessary?\r
683                                         $GLOBALS['_xh']['lv']=3; // indicate we've found a value\r
684                                         break;\r
685                                 case 'NAME':\r
686                                         $GLOBALS['_xh']['valuestack'][count($GLOBALS['_xh']['valuestack'])-1]['name'] = $GLOBALS['_xh']['ac'];\r
687                                         break;\r
688                                 case 'MEMBER':\r
689                                         //$GLOBALS['_xh']['ac']=''; // is this necessary?\r
690                                         // add to array in the stack the last element built,\r
691                                         // unless no VALUE was found\r
692                                         if ($GLOBALS['_xh']['vt'])\r
693                                         {\r
694                                                 $vscount = count($GLOBALS['_xh']['valuestack']);\r
695                                                 $GLOBALS['_xh']['valuestack'][$vscount-1]['values'][$GLOBALS['_xh']['valuestack'][$vscount-1]['name']] = $GLOBALS['_xh']['value'];\r
696                                         } else\r
697                                                 error_log('XML-RPC: missing VALUE inside STRUCT in received xml');\r
698                                         break;\r
699                                 case 'DATA':\r
700                                         //$GLOBALS['_xh']['ac']=''; // is this necessary?\r
701                                         $GLOBALS['_xh']['vt']=null; // reset this to check for 2 data elements in a row - even if they're empty\r
702                                         break;\r
703                                 case 'STRUCT':\r
704                                 case 'ARRAY':\r
705                                         // fetch out of stack array of values, and promote it to current value\r
706                                         $curr_val = array_pop($GLOBALS['_xh']['valuestack']);\r
707                                         $GLOBALS['_xh']['value'] = $curr_val['values'];\r
708                                         $GLOBALS['_xh']['vt']=strtolower($name);\r
709                                         if (isset($curr_val['php_class']))\r
710                                         {\r
711                                                 $GLOBALS['_xh']['php_class'] = $curr_val['php_class'];\r
712                                         }\r
713                                         break;\r
714                                 case 'PARAM':\r
715                                         // add to array of params the current value,\r
716                                         // unless no VALUE was found\r
717                                         if ($GLOBALS['_xh']['vt'])\r
718                                         {\r
719                                                 $GLOBALS['_xh']['params'][]=$GLOBALS['_xh']['value'];\r
720                                                 $GLOBALS['_xh']['pt'][]=$GLOBALS['_xh']['vt'];\r
721                                         }\r
722                                         else\r
723                                                 error_log('XML-RPC: missing VALUE inside PARAM in received xml');\r
724                                         break;\r
725                                 case 'METHODNAME':\r
726                                         $GLOBALS['_xh']['method']=preg_replace('/^[\n\r\t ]+/', '', $GLOBALS['_xh']['ac']);\r
727                                         break;\r
728                                 case 'NIL':\r
729                                 case 'EX:NIL':\r
730                                         if ($GLOBALS['xmlrpc_null_extension'])\r
731                                         {\r
732                                                 $GLOBALS['_xh']['vt']='null';\r
733                                                 $GLOBALS['_xh']['value']=null;\r
734                                                 $GLOBALS['_xh']['lv']=3;\r
735                                                 break;\r
736                                         }\r
737                                         // drop through intentionally if nil extension not enabled\r
738                                 case 'PARAMS':\r
739                                 case 'FAULT':\r
740                                 case 'METHODCALL':\r
741                                 case 'METHORESPONSE':\r
742                                         break;\r
743                                 default:\r
744                                         // End of INVALID ELEMENT!\r
745                                         // shall we add an assert here for unreachable code???\r
746                                         break;\r
747                         }\r
748                 }\r
749         }\r
750 \r
751         /// Used in decoding xmlrpc requests/responses without rebuilding xmlrpc values\r
752         function xmlrpc_ee_fast($parser, $name)\r
753         {\r
754                 xmlrpc_ee($parser, $name, false);\r
755         }\r
756 \r
757         /// xml parser handler function for character data\r
758         function xmlrpc_cd($parser, $data)\r
759         {\r
760                 // skip processing if xml fault already detected\r
761                 if ($GLOBALS['_xh']['isf'] < 2)\r
762                 {\r
763                         // "lookforvalue==3" means that we've found an entire value\r
764                         // and should discard any further character data\r
765                         if($GLOBALS['_xh']['lv']!=3)\r
766                         {\r
767                                 // G. Giunta 2006-08-23: useless change of 'lv' from 1 to 2\r
768                                 //if($GLOBALS['_xh']['lv']==1)\r
769                                 //{\r
770                                         // if we've found text and we're just in a <value> then\r
771                                         // say we've found a value\r
772                                         //$GLOBALS['_xh']['lv']=2;\r
773                                 //}\r
774                                 // we always initialize the accumulator before starting parsing, anyway...\r
775                                 //if(!@isset($GLOBALS['_xh']['ac']))\r
776                                 //{\r
777                                 //      $GLOBALS['_xh']['ac'] = '';\r
778                                 //}\r
779                                 $GLOBALS['_xh']['ac'].=$data;\r
780                         }\r
781                 }\r
782         }\r
783 \r
784         /// xml parser handler function for 'other stuff', ie. not char data or\r
785         /// element start/end tag. In fact it only gets called on unknown entities...\r
786         function xmlrpc_dh($parser, $data)\r
787         {\r
788                 // skip processing if xml fault already detected\r
789                 if ($GLOBALS['_xh']['isf'] < 2)\r
790                 {\r
791                         if(substr($data, 0, 1) == '&' && substr($data, -1, 1) == ';')\r
792                         {\r
793                                 // G. Giunta 2006-08-25: useless change of 'lv' from 1 to 2\r
794                                 //if($GLOBALS['_xh']['lv']==1)\r
795                                 //{\r
796                                 //      $GLOBALS['_xh']['lv']=2;\r
797                                 //}\r
798                                 $GLOBALS['_xh']['ac'].=$data;\r
799                         }\r
800                 }\r
801                 return true;\r
802         }\r
803 \r
804         class xmlrpc_client\r
805         {\r
806                 var $path;\r
807                 var $server;\r
808                 var $port=0;\r
809                 var $method='http';\r
810                 var $errno;\r
811                 var $errstr;\r
812                 var $debug=0;\r
813                 var $username='';\r
814                 var $password='';\r
815                 var $authtype=1;\r
816                 var $cert='';\r
817                 var $certpass='';\r
818                 var $cacert='';\r
819                 var $cacertdir='';\r
820                 var $key='';\r
821                 var $keypass='';\r
822                 var $verifypeer=true;\r
823                 var $verifyhost=1;\r
824                 var $no_multicall=false;\r
825                 var $proxy='';\r
826                 var $proxyport=0;\r
827                 var $proxy_user='';\r
828                 var $proxy_pass='';\r
829                 var $proxy_authtype=1;\r
830                 var $cookies=array();\r
831                 var $extracurlopts=array();\r
832 \r
833                 /**\r
834                 * List of http compression methods accepted by the client for responses.\r
835                 * NB: PHP supports deflate, gzip compressions out of the box if compiled w. zlib\r
836                 *\r
837                 * NNB: you can set it to any non-empty array for HTTP11 and HTTPS, since\r
838                 * in those cases it will be up to CURL to decide the compression methods\r
839                 * it supports. You might check for the presence of 'zlib' in the output of\r
840                 * curl_version() to determine wheter compression is supported or not\r
841                 */\r
842                 var $accepted_compression = array();\r
843                 /**\r
844                 * Name of compression scheme to be used for sending requests.\r
845                 * Either null, gzip or deflate\r
846                 */\r
847                 var $request_compression = '';\r
848                 /**\r
849                 * CURL handle: used for keep-alive connections (PHP 4.3.8 up, see:\r
850                 * http://curl.haxx.se/docs/faq.html#7.3)\r
851                 */\r
852                 var $xmlrpc_curl_handle = null;\r
853                 /// Whether to use persistent connections for http 1.1 and https\r
854                 var $keepalive = false;\r
855                 /// Charset encodings that can be decoded without problems by the client\r
856                 var $accepted_charset_encodings = array();\r
857                 /// Charset encoding to be used in serializing request. NULL = use ASCII\r
858                 var $request_charset_encoding = '';\r
859                 /**\r
860                 * Decides the content of xmlrpcresp objects returned by calls to send()\r
861                 * valid strings are 'xmlrpcvals', 'phpvals' or 'xml'\r
862                 */\r
863                 var $return_type = 'xmlrpcvals';\r
864                 /**\r
865                 * Sent to servers in http headers\r
866                 */\r
867                 var $user_agent;\r
868 \r
869                 /**\r
870                 * @param string $path either the complete server URL or the PATH part of the xmlrc server URL, e.g. /xmlrpc/server.php\r
871                 * @param string $server the server name / ip address\r
872                 * @param integer $port the port the server is listening on, defaults to 80 or 443 depending on protocol used\r
873                 * @param string $method the http protocol variant: defaults to 'http', 'https' and 'http11' can be used if CURL is installed\r
874                 */\r
875                 function __construct($path, $server='', $port='', $method='')\r
876                 {\r
877                         // allow user to specify all params in $path\r
878                         if($server == '' and $port == '' and $method == '')\r
879                         {\r
880                                 $parts = parse_url($path);\r
881                                 $server = $parts['host'];\r
882                                 $path = isset($parts['path']) ? $parts['path'] : '';\r
883                                 if(isset($parts['query']))\r
884                                 {\r
885                                         $path .= '?'.$parts['query'];\r
886                                 }\r
887                                 if(isset($parts['fragment']))\r
888                                 {\r
889                                         $path .= '#'.$parts['fragment'];\r
890                                 }\r
891                                 if(isset($parts['port']))\r
892                                 {\r
893                                         $port = $parts['port'];\r
894                                 }\r
895                                 if(isset($parts['scheme']))\r
896                                 {\r
897                                         $method = $parts['scheme'];\r
898                                 }\r
899                                 if(isset($parts['user']))\r
900                                 {\r
901                                         $this->username = $parts['user'];\r
902                                 }\r
903                                 if(isset($parts['pass']))\r
904                                 {\r
905                                         $this->password = $parts['pass'];\r
906                                 }\r
907                         }\r
908                         if($path == '' || $path[0] != '/')\r
909                         {\r
910                                 $this->path='/'.$path;\r
911                         }\r
912                         else\r
913                         {\r
914                                 $this->path=$path;\r
915                         }\r
916                         $this->server=$server;\r
917                         if($port != '')\r
918                         {\r
919                                 $this->port=$port;\r
920                         }\r
921                         if($method != '')\r
922                         {\r
923                                 $this->method=$method;\r
924                         }\r
925 \r
926                         // if ZLIB is enabled, let the client by default accept compressed responses\r
927                         if(function_exists('gzinflate') || (\r
928                                 function_exists('curl_init') && (($info = curl_version()) &&\r
929                                 ((is_string($info) && strpos($info, 'zlib') !== null) || isset($info['libz_version'])))\r
930                         ))\r
931                         {\r
932                                 $this->accepted_compression = array('gzip', 'deflate');\r
933                         }\r
934 \r
935                         // keepalives: enabled by default\r
936                         $this->keepalive = true;\r
937 \r
938                         // by default the xml parser can support these 3 charset encodings\r
939                         $this->accepted_charset_encodings = array('UTF-8', 'ISO-8859-1', 'US-ASCII');\r
940 \r
941                         // initialize user_agent string\r
942                         $this->user_agent = $GLOBALS['xmlrpcName'] . ' ' . $GLOBALS['xmlrpcVersion'];\r
943                 }\r
944 \r
945                 /**\r
946                 * @deprecated\r
947                 */\r
948                 function xmlrpc_client($path, $server='', $port='', $method='')\r
949                 {\r
950                         self::__construct($path, $server, $port, $method);\r
951                 }\r
952 \r
953                 /**\r
954                 * Enables/disables the echoing to screen of the xmlrpc responses received\r
955                 * @param integer $in values 0, 1 and 2 are supported (2 = echo sent msg too, before received response)\r
956                 * @access public\r
957                 */\r
958                 function setDebug($in)\r
959                 {\r
960                         $this->debug=$in;\r
961                 }\r
962 \r
963                 /**\r
964                 * Add some http BASIC AUTH credentials, used by the client to authenticate\r
965                 * @param string $u username\r
966                 * @param string $p password\r
967                 * @param integer $t auth type. See curl_setopt man page for supported auth types. Defaults to CURLAUTH_BASIC (basic auth)\r
968                 * @access public\r
969                 */\r
970                 function setCredentials($u, $p, $t=1)\r
971                 {\r
972                         $this->username=$u;\r
973                         $this->password=$p;\r
974                         $this->authtype=$t;\r
975                 }\r
976 \r
977                 /**\r
978                 * Add a client-side https certificate\r
979                 * @param string $cert\r
980                 * @param string $certpass\r
981                 * @access public\r
982                 */\r
983                 function setCertificate($cert, $certpass)\r
984                 {\r
985                         $this->cert = $cert;\r
986                         $this->certpass = $certpass;\r
987                 }\r
988 \r
989                 /**\r
990                 * Add a CA certificate to verify server with (see man page about\r
991                 * CURLOPT_CAINFO for more details)\r
992                 * @param string $cacert certificate file name (or dir holding certificates)\r
993                 * @param bool $is_dir set to true to indicate cacert is a dir. defaults to false\r
994                 * @access public\r
995                 */\r
996                 function setCaCertificate($cacert, $is_dir=false)\r
997                 {\r
998                         if ($is_dir)\r
999                         {\r
1000                                 $this->cacertdir = $cacert;\r
1001                         }\r
1002                         else\r
1003                         {\r
1004                                 $this->cacert = $cacert;\r
1005                         }\r
1006                 }\r
1007 \r
1008                 /**\r
1009                 * Set attributes for SSL communication: private SSL key\r
1010                 * NB: does not work in older php/curl installs\r
1011                 * Thanks to Daniel Convissor\r
1012                 * @param string $key The name of a file containing a private SSL key\r
1013                 * @param string $keypass The secret password needed to use the private SSL key\r
1014                 * @access public\r
1015                 */\r
1016                 function setKey($key, $keypass)\r
1017                 {\r
1018                         $this->key = $key;\r
1019                         $this->keypass = $keypass;\r
1020                 }\r
1021 \r
1022                 /**\r
1023                 * Set attributes for SSL communication: verify server certificate\r
1024                 * @param bool $i enable/disable verification of peer certificate\r
1025                 * @access public\r
1026                 */\r
1027                 function setSSLVerifyPeer($i)\r
1028                 {\r
1029                         $this->verifypeer = $i;\r
1030                 }\r
1031 \r
1032                 /**\r
1033                 * Set attributes for SSL communication: verify match of server cert w. hostname\r
1034                 * @param int $i\r
1035                 * @access public\r
1036                 */\r
1037                 function setSSLVerifyHost($i)\r
1038                 {\r
1039                         $this->verifyhost = $i;\r
1040                 }\r
1041 \r
1042                 /**\r
1043                 * Set proxy info\r
1044                 * @param string $proxyhost\r
1045                 * @param string $proxyport Defaults to 8080 for HTTP and 443 for HTTPS\r
1046                 * @param string $proxyusername Leave blank if proxy has public access\r
1047                 * @param string $proxypassword Leave blank if proxy has public access\r
1048                 * @param int $proxyauthtype set to constant CURLAUTH_NTLM to use NTLM auth with proxy\r
1049                 * @access public\r
1050                 */\r
1051                 function setProxy($proxyhost, $proxyport, $proxyusername = '', $proxypassword = '', $proxyauthtype = 1)\r
1052                 {\r
1053                         $this->proxy = $proxyhost;\r
1054                         $this->proxyport = $proxyport;\r
1055                         $this->proxy_user = $proxyusername;\r
1056                         $this->proxy_pass = $proxypassword;\r
1057                         $this->proxy_authtype = $proxyauthtype;\r
1058                 }\r
1059 \r
1060                 /**\r
1061                 * Enables/disables reception of compressed xmlrpc responses.\r
1062                 * Note that enabling reception of compressed responses merely adds some standard\r
1063                 * http headers to xmlrpc requests. It is up to the xmlrpc server to return\r
1064                 * compressed responses when receiving such requests.\r
1065                 * @param string $compmethod either 'gzip', 'deflate', 'any' or ''\r
1066                 * @access public\r
1067                 */\r
1068                 function setAcceptedCompression($compmethod)\r
1069                 {\r
1070                         if ($compmethod == 'any')\r
1071                                 $this->accepted_compression = array('gzip', 'deflate');\r
1072                         else\r
1073                                 if ($compmethod == false )\r
1074                                         $this->accepted_compression = array();\r
1075                                 else\r
1076                                         $this->accepted_compression = array($compmethod);\r
1077                 }\r
1078 \r
1079                 /**\r
1080                 * Enables/disables http compression of xmlrpc request.\r
1081                 * Take care when sending compressed requests: servers might not support them\r
1082                 * (and automatic fallback to uncompressed requests is not yet implemented)\r
1083                 * @param string $compmethod either 'gzip', 'deflate' or ''\r
1084                 * @access public\r
1085                 */\r
1086                 function setRequestCompression($compmethod)\r
1087                 {\r
1088                         $this->request_compression = $compmethod;\r
1089                 }\r
1090 \r
1091                 /**\r
1092                 * Adds a cookie to list of cookies that will be sent to server.\r
1093                 * NB: setting any param but name and value will turn the cookie into a 'version 1' cookie:\r
1094                 * do not do it unless you know what you are doing\r
1095                 * @param string $name\r
1096                 * @param string $value\r
1097                 * @param string $path\r
1098                 * @param string $domain\r
1099                 * @param int $port\r
1100                 * @access public\r
1101                 *\r
1102                 * @todo check correctness of urlencoding cookie value (copied from php way of doing it...)\r
1103                 */\r
1104                 function setCookie($name, $value='', $path='', $domain='', $port=null)\r
1105                 {\r
1106                         $this->cookies[$name]['value'] = urlencode($value);\r
1107                         if ($path || $domain || $port)\r
1108                         {\r
1109                                 $this->cookies[$name]['path'] = $path;\r
1110                                 $this->cookies[$name]['domain'] = $domain;\r
1111                                 $this->cookies[$name]['port'] = $port;\r
1112                                 $this->cookies[$name]['version'] = 1;\r
1113                         }\r
1114                         else\r
1115                         {\r
1116                                 $this->cookies[$name]['version'] = 0;\r
1117                         }\r
1118                 }\r
1119 \r
1120                 /**\r
1121                 * Directly set cURL options, for extra flexibility\r
1122                 * It allows eg. to bind client to a specific IP interface / address\r
1123                 * @param array $options\r
1124                 */\r
1125                 function SetCurlOptions( $options )\r
1126                 {\r
1127                         $this->extracurlopts = $options;\r
1128                 }\r
1129 \r
1130                 /**\r
1131                 * Set user-agent string that will be used by this client instance\r
1132                 * in http headers sent to the server\r
1133                 */\r
1134                 function SetUserAgent( $agentstring )\r
1135                 {\r
1136                         $this->user_agent = $agentstring;\r
1137                 }\r
1138 \r
1139                 /**\r
1140                 * Send an xmlrpc request\r
1141                 * @param mixed $msg The message object, or an array of messages for using multicall, or the complete xml representation of a request\r
1142                 * @param integer $timeout Connection timeout, in seconds, If unspecified, a platform specific timeout will apply\r
1143                 * @param string $method if left unspecified, the http protocol chosen during creation of the object will be used\r
1144                 * @return xmlrpcresp\r
1145                 * @access public\r
1146                 */\r
1147                 function& send($msg, $timeout=0, $method='')\r
1148                 {\r
1149                         // if user deos not specify http protocol, use native method of this client\r
1150                         // (i.e. method set during call to constructor)\r
1151                         if($method == '')\r
1152                         {\r
1153                                 $method = $this->method;\r
1154                         }\r
1155 \r
1156                         if(is_array($msg))\r
1157                         {\r
1158                                 // $msg is an array of xmlrpcmsg's\r
1159                                 $r = $this->multicall($msg, $timeout, $method);\r
1160                                 return $r;\r
1161                         }\r
1162                         elseif(is_string($msg))\r
1163                         {\r
1164                                 $n = new xmlrpcmsg('');\r
1165                                 $n->payload = $msg;\r
1166                                 $msg = $n;\r
1167                         }\r
1168 \r
1169                         // where msg is an xmlrpcmsg\r
1170                         $msg->debug=$this->debug;\r
1171 \r
1172                         if($method == 'https')\r
1173                         {\r
1174                                 $r =& $this->sendPayloadHTTPS(\r
1175                                         $msg,\r
1176                                         $this->server,\r
1177                                         $this->port,\r
1178                                         $timeout,\r
1179                                         $this->username,\r
1180                                         $this->password,\r
1181                                         $this->authtype,\r
1182                                         $this->cert,\r
1183                                         $this->certpass,\r
1184                                         $this->cacert,\r
1185                                         $this->cacertdir,\r
1186                                         $this->proxy,\r
1187                                         $this->proxyport,\r
1188                                         $this->proxy_user,\r
1189                                         $this->proxy_pass,\r
1190                                         $this->proxy_authtype,\r
1191                                         $this->keepalive,\r
1192                                         $this->key,\r
1193                                         $this->keypass\r
1194                                 );\r
1195                         }\r
1196                         elseif($method == 'http11')\r
1197                         {\r
1198                                 $r =& $this->sendPayloadCURL(\r
1199                                         $msg,\r
1200                                         $this->server,\r
1201                                         $this->port,\r
1202                                         $timeout,\r
1203                                         $this->username,\r
1204                                         $this->password,\r
1205                                         $this->authtype,\r
1206                                         null,\r
1207                                         null,\r
1208                                         null,\r
1209                                         null,\r
1210                                         $this->proxy,\r
1211                                         $this->proxyport,\r
1212                                         $this->proxy_user,\r
1213                                         $this->proxy_pass,\r
1214                                         $this->proxy_authtype,\r
1215                                         'http',\r
1216                                         $this->keepalive\r
1217                                 );\r
1218                         }\r
1219                         else\r
1220                         {\r
1221                                 $r =& $this->sendPayloadHTTP10(\r
1222                                         $msg,\r
1223                                         $this->server,\r
1224                                         $this->port,\r
1225                                         $timeout,\r
1226                                         $this->username,\r
1227                                         $this->password,\r
1228                                         $this->authtype,\r
1229                                         $this->proxy,\r
1230                                         $this->proxyport,\r
1231                                         $this->proxy_user,\r
1232                                         $this->proxy_pass,\r
1233                                         $this->proxy_authtype\r
1234                                 );\r
1235                         }\r
1236 \r
1237                         return $r;\r
1238                 }\r
1239 \r
1240                 /**\r
1241                 * @access private\r
1242                 */\r
1243                 function &sendPayloadHTTP10($msg, $server, $port, $timeout=0,\r
1244                         $username='', $password='', $authtype=1, $proxyhost='',\r
1245                         $proxyport=0, $proxyusername='', $proxypassword='', $proxyauthtype=1)\r
1246                 {\r
1247                         if($port==0)\r
1248                         {\r
1249                                 $port=80;\r
1250                         }\r
1251 \r
1252                         // Only create the payload if it was not created previously\r
1253                         if(empty($msg->payload))\r
1254                         {\r
1255                                 $msg->createPayload($this->request_charset_encoding);\r
1256                         }\r
1257 \r
1258                         $payload = $msg->payload;\r
1259                         // Deflate request body and set appropriate request headers\r
1260                         if(function_exists('gzdeflate') && ($this->request_compression == 'gzip' || $this->request_compression == 'deflate'))\r
1261                         {\r
1262                                 if($this->request_compression == 'gzip')\r
1263                                 {\r
1264                                         $a = @gzencode($payload);\r
1265                                         if($a)\r
1266                                         {\r
1267                                                 $payload = $a;\r
1268                                                 $encoding_hdr = "Content-Encoding: gzip\r\n";\r
1269                                         }\r
1270                                 }\r
1271                                 else\r
1272                                 {\r
1273                                         $a = @gzcompress($payload);\r
1274                                         if($a)\r
1275                                         {\r
1276                                                 $payload = $a;\r
1277                                                 $encoding_hdr = "Content-Encoding: deflate\r\n";\r
1278                                         }\r
1279                                 }\r
1280                         }\r
1281                         else\r
1282                         {\r
1283                                 $encoding_hdr = '';\r
1284                         }\r
1285 \r
1286                         // thanks to Grant Rauscher <grant7@firstworld.net> for this\r
1287                         $credentials='';\r
1288                         if($username!='')\r
1289                         {\r
1290                                 $credentials='Authorization: Basic ' . base64_encode($username . ':' . $password) . "\r\n";\r
1291                                 if ($authtype != 1)\r
1292                                 {\r
1293                                         error_log('XML-RPC: '.__METHOD__.': warning. Only Basic auth is supported with HTTP 1.0');\r
1294                                 }\r
1295                         }\r
1296 \r
1297                         $accepted_encoding = '';\r
1298                         if(is_array($this->accepted_compression) && count($this->accepted_compression))\r
1299                         {\r
1300                                 $accepted_encoding = 'Accept-Encoding: ' . implode(', ', $this->accepted_compression) . "\r\n";\r
1301                         }\r
1302 \r
1303                         $proxy_credentials = '';\r
1304                         if($proxyhost)\r
1305                         {\r
1306                                 if($proxyport == 0)\r
1307                                 {\r
1308                                         $proxyport = 8080;\r
1309                                 }\r
1310                                 $connectserver = $proxyhost;\r
1311                                 $connectport = $proxyport;\r
1312                                 $uri = 'http://'.$server.':'.$port.$this->path;\r
1313                                 if($proxyusername != '')\r
1314                                 {\r
1315                                         if ($proxyauthtype != 1)\r
1316                                         {\r
1317                                                 error_log('XML-RPC: '.__METHOD__.': warning. Only Basic auth to proxy is supported with HTTP 1.0');\r
1318                                         }\r
1319                                         $proxy_credentials = 'Proxy-Authorization: Basic ' . base64_encode($proxyusername.':'.$proxypassword) . "\r\n";\r
1320                                 }\r
1321                         }\r
1322                         else\r
1323                         {\r
1324                                 $connectserver = $server;\r
1325                                 $connectport = $port;\r
1326                                 $uri = $this->path;\r
1327                         }\r
1328 \r
1329                         // Cookie generation, as per rfc2965 (version 1 cookies) or\r
1330                         // netscape's rules (version 0 cookies)\r
1331                         $cookieheader='';\r
1332                         if (count($this->cookies))\r
1333                         {\r
1334                                 $version = '';\r
1335                                 foreach ($this->cookies as $name => $cookie)\r
1336                                 {\r
1337                                         if ($cookie['version'])\r
1338                                         {\r
1339                                                 $version = ' $Version="' . $cookie['version'] . '";';\r
1340                                                 $cookieheader .= ' ' . $name . '="' . $cookie['value'] . '";';\r
1341                                                 if ($cookie['path'])\r
1342                                                         $cookieheader .= ' $Path="' . $cookie['path'] . '";';\r
1343                                                 if ($cookie['domain'])\r
1344                                                         $cookieheader .= ' $Domain="' . $cookie['domain'] . '";';\r
1345                                                 if ($cookie['port'])\r
1346                                                         $cookieheader .= ' $Port="' . $cookie['port'] . '";';\r
1347                                         }\r
1348                                         else\r
1349                                         {\r
1350                                                 $cookieheader .= ' ' . $name . '=' . $cookie['value'] . ";";\r
1351                                         }\r
1352                                 }\r
1353                                 $cookieheader = 'Cookie:' . $version . substr($cookieheader, 0, -1) . "\r\n";\r
1354                         }\r
1355 \r
1356                         // omit port if 80\r
1357                         $port = ($port == 80) ? '' : (':' . $port);\r
1358 \r
1359                         $op= 'POST ' . $uri. " HTTP/1.0\r\n" .\r
1360                                 'User-Agent: ' . $this->user_agent . "\r\n" .\r
1361                                 'Host: '. $server . $port . "\r\n" .\r
1362                                 $credentials .\r
1363                                 $proxy_credentials .\r
1364                                 $accepted_encoding .\r
1365                                 $encoding_hdr .\r
1366                                 'Accept-Charset: ' . implode(',', $this->accepted_charset_encodings) . "\r\n" .\r
1367                                 $cookieheader .\r
1368                                 'Content-Type: ' . $msg->content_type . "\r\nContent-Length: " .\r
1369                                 strlen($payload) . "\r\n\r\n" .\r
1370                                 $payload;\r
1371 \r
1372                         if($this->debug > 1)\r
1373                         {\r
1374                                 print "<PRE>\n---SENDING---\n" . htmlentities($op) . "\n---END---\n</PRE>";\r
1375                                 // let the client see this now in case http times out...\r
1376                                 flush();\r
1377                         }\r
1378 \r
1379                         if($timeout>0)\r
1380                         {\r
1381                                 $fp=@fsockopen($connectserver, $connectport, $this->errno, $this->errstr, $timeout);\r
1382                         }\r
1383                         else\r
1384                         {\r
1385                                 $fp=@fsockopen($connectserver, $connectport, $this->errno, $this->errstr);\r
1386                         }\r
1387                         if($fp)\r
1388                         {\r
1389                                 if($timeout>0 && function_exists('stream_set_timeout'))\r
1390                                 {\r
1391                                         stream_set_timeout($fp, $timeout);\r
1392                                 }\r
1393                         }\r
1394                         else\r
1395                         {\r
1396                                 $this->errstr='Connect error: '.$this->errstr;\r
1397                                 $r=new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['http_error'], $this->errstr . ' (' . $this->errno . ')');\r
1398                                 return $r;\r
1399                         }\r
1400 \r
1401                         if(!fputs($fp, $op, strlen($op)))\r
1402                         {\r
1403                                 fclose($fp);\r
1404                                 $this->errstr='Write error';\r
1405                                 $r=new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['http_error'], $this->errstr);\r
1406                                 return $r;\r
1407                         }\r
1408                         else\r
1409                         {\r
1410                                 // reset errno and errstr on successful socket connection\r
1411                                 $this->errstr = '';\r
1412                         }\r
1413                         // G. Giunta 2005/10/24: close socket before parsing.\r
1414                         // should yield slightly better execution times, and make easier recursive calls (e.g. to follow http redirects)\r
1415                         $ipd='';\r
1416                         do\r
1417                         {\r
1418                                 // shall we check for $data === FALSE?\r
1419                                 // as per the manual, it signals an error\r
1420                                 $ipd.=fread($fp, 32768);\r
1421                         } while(!feof($fp));\r
1422                         fclose($fp);\r
1423                         $r =& $msg->parseResponse($ipd, false, $this->return_type);\r
1424                         return $r;\r
1425 \r
1426                 }\r
1427 \r
1428                 /**\r
1429                 * @access private\r
1430                 */\r
1431                 function &sendPayloadHTTPS($msg, $server, $port, $timeout=0, $username='',\r
1432                         $password='', $authtype=1, $cert='',$certpass='', $cacert='', $cacertdir='',\r
1433                         $proxyhost='', $proxyport=0, $proxyusername='', $proxypassword='', $proxyauthtype=1,\r
1434                         $keepalive=false, $key='', $keypass='')\r
1435                 {\r
1436                         $r =& $this->sendPayloadCURL($msg, $server, $port, $timeout, $username,\r
1437                                 $password, $authtype, $cert, $certpass, $cacert, $cacertdir, $proxyhost, $proxyport,\r
1438                                 $proxyusername, $proxypassword, $proxyauthtype, 'https', $keepalive, $key, $keypass);\r
1439                         return $r;\r
1440                 }\r
1441 \r
1442                 /**\r
1443                 * Contributed by Justin Miller <justin@voxel.net>\r
1444                 * Requires curl to be built into PHP\r
1445                 * NB: CURL versions before 7.11.10 cannot use proxy to talk to https servers!\r
1446                 * @access private\r
1447                 */\r
1448                 function &sendPayloadCURL($msg, $server, $port, $timeout=0, $username='',\r
1449                         $password='', $authtype=1, $cert='', $certpass='', $cacert='', $cacertdir='',\r
1450                         $proxyhost='', $proxyport=0, $proxyusername='', $proxypassword='', $proxyauthtype=1, $method='https',\r
1451                         $keepalive=false, $key='', $keypass='')\r
1452                 {\r
1453                         if(!function_exists('curl_init'))\r
1454                         {\r
1455                                 $this->errstr='CURL unavailable on this install';\r
1456                                 $r=new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['no_curl'], $GLOBALS['xmlrpcstr']['no_curl']);\r
1457                                 return $r;\r
1458                         }\r
1459                         if($method == 'https')\r
1460                         {\r
1461                                 if(($info = curl_version()) &&\r
1462                                         ((is_string($info) && strpos($info, 'OpenSSL') === null) || (is_array($info) && !isset($info['ssl_version']))))\r
1463                                 {\r
1464                                         $this->errstr='SSL unavailable on this install';\r
1465                                         $r=new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['no_ssl'], $GLOBALS['xmlrpcstr']['no_ssl']);\r
1466                                         return $r;\r
1467                                 }\r
1468                         }\r
1469 \r
1470                         if($port == 0)\r
1471                         {\r
1472                                 if($method == 'http')\r
1473                                 {\r
1474                                         $port = 80;\r
1475                                 }\r
1476                                 else\r
1477                                 {\r
1478                                         $port = 443;\r
1479                                 }\r
1480                         }\r
1481 \r
1482                         // Only create the payload if it was not created previously\r
1483                         if(empty($msg->payload))\r
1484                         {\r
1485                                 $msg->createPayload($this->request_charset_encoding);\r
1486                         }\r
1487 \r
1488                         // Deflate request body and set appropriate request headers\r
1489                         $payload = $msg->payload;\r
1490                         if(function_exists('gzdeflate') && ($this->request_compression == 'gzip' || $this->request_compression == 'deflate'))\r
1491                         {\r
1492                                 if($this->request_compression == 'gzip')\r
1493                                 {\r
1494                                         $a = @gzencode($payload);\r
1495                                         if($a)\r
1496                                         {\r
1497                                                 $payload = $a;\r
1498                                                 $encoding_hdr = 'Content-Encoding: gzip';\r
1499                                         }\r
1500                                 }\r
1501                                 else\r
1502                                 {\r
1503                                         $a = @gzcompress($payload);\r
1504                                         if($a)\r
1505                                         {\r
1506                                                 $payload = $a;\r
1507                                                 $encoding_hdr = 'Content-Encoding: deflate';\r
1508                                         }\r
1509                                 }\r
1510                         }\r
1511                         else\r
1512                         {\r
1513                                 $encoding_hdr = '';\r
1514                         }\r
1515 \r
1516                         if($this->debug > 1)\r
1517                         {\r
1518                                 print "<PRE>\n---SENDING---\n" . htmlentities($payload) . "\n---END---\n</PRE>";\r
1519                                 // let the client see this now in case http times out...\r
1520                                 flush();\r
1521                         }\r
1522 \r
1523                         if(!$keepalive || !$this->xmlrpc_curl_handle)\r
1524                         {\r
1525                                 $curl = curl_init($method . '://' . $server . ':' . $port . $this->path);\r
1526                                 if($keepalive)\r
1527                                 {\r
1528                                         $this->xmlrpc_curl_handle = $curl;\r
1529                                 }\r
1530                         }\r
1531                         else\r
1532                         {\r
1533                                 $curl = $this->xmlrpc_curl_handle;\r
1534                         }\r
1535 \r
1536                         // results into variable\r
1537                         curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);\r
1538 \r
1539                         if($this->debug)\r
1540                         {\r
1541                                 curl_setopt($curl, CURLOPT_VERBOSE, 1);\r
1542                         }\r
1543                         curl_setopt($curl, CURLOPT_USERAGENT, $this->user_agent);\r
1544                         // required for XMLRPC: post the data\r
1545                         curl_setopt($curl, CURLOPT_POST, 1);\r
1546                         // the data\r
1547                         curl_setopt($curl, CURLOPT_POSTFIELDS, $payload);\r
1548 \r
1549                         // return the header too\r
1550                         curl_setopt($curl, CURLOPT_HEADER, 1);\r
1551 \r
1552                         // NB: if we set an empty string, CURL will add http header indicating\r
1553                         // ALL methods it is supporting. This is possibly a better option than\r
1554                         // letting the user tell what curl can / cannot do...\r
1555                         if(is_array($this->accepted_compression) && count($this->accepted_compression))\r
1556                         {\r
1557                                 //curl_setopt($curl, CURLOPT_ENCODING, implode(',', $this->accepted_compression));\r
1558                                 // empty string means 'any supported by CURL' (shall we catch errors in case CURLOPT_SSLKEY undefined ?)\r
1559                                 if (count($this->accepted_compression) == 1)\r
1560                                 {\r
1561                                         curl_setopt($curl, CURLOPT_ENCODING, $this->accepted_compression[0]);\r
1562                                 }\r
1563                                 else\r
1564                                         curl_setopt($curl, CURLOPT_ENCODING, '');\r
1565                         }\r
1566                         // extra headers\r
1567                         $headers = array('Content-Type: ' . $msg->content_type , 'Accept-Charset: ' . implode(',', $this->accepted_charset_encodings));\r
1568                         // if no keepalive is wanted, let the server know it in advance\r
1569                         if(!$keepalive)\r
1570                         {\r
1571                                 $headers[] = 'Connection: close';\r
1572                         }\r
1573                         // request compression header\r
1574                         if($encoding_hdr)\r
1575                         {\r
1576                                 $headers[] = $encoding_hdr;\r
1577                         }\r
1578 \r
1579                         curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);\r
1580                         // timeout is borked\r
1581                         if($timeout)\r
1582                         {\r
1583                                 curl_setopt($curl, CURLOPT_TIMEOUT, $timeout == 1 ? 1 : $timeout - 1);\r
1584                         }\r
1585 \r
1586                         if($username && $password)\r
1587                         {\r
1588                                 curl_setopt($curl, CURLOPT_USERPWD, $username.':'.$password);\r
1589                                 if (defined('CURLOPT_HTTPAUTH'))\r
1590                                 {\r
1591                                         curl_setopt($curl, CURLOPT_HTTPAUTH, $authtype);\r
1592                                 }\r
1593                                 else if ($authtype != 1)\r
1594                                 {\r
1595                                         error_log('XML-RPC: '.__METHOD__.': warning. Only Basic auth is supported by the current PHP/curl install');\r
1596                                 }\r
1597                         }\r
1598 \r
1599                         if($method == 'https')\r
1600                         {\r
1601                                 // set cert file\r
1602                                 if($cert)\r
1603                                 {\r
1604                                         curl_setopt($curl, CURLOPT_SSLCERT, $cert);\r
1605                                 }\r
1606                                 // set cert password\r
1607                                 if($certpass)\r
1608                                 {\r
1609                                         curl_setopt($curl, CURLOPT_SSLCERTPASSWD, $certpass);\r
1610                                 }\r
1611                                 // whether to verify remote host's cert\r
1612                                 curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, $this->verifypeer);\r
1613                                 // set ca certificates file/dir\r
1614                                 if($cacert)\r
1615                                 {\r
1616                                         curl_setopt($curl, CURLOPT_CAINFO, $cacert);\r
1617                                 }\r
1618                                 if($cacertdir)\r
1619                                 {\r
1620                                         curl_setopt($curl, CURLOPT_CAPATH, $cacertdir);\r
1621                                 }\r
1622                                 // set key file (shall we catch errors in case CURLOPT_SSLKEY undefined ?)\r
1623                                 if($key)\r
1624                                 {\r
1625                                         curl_setopt($curl, CURLOPT_SSLKEY, $key);\r
1626                                 }\r
1627                                 // set key password (shall we catch errors in case CURLOPT_SSLKEY undefined ?)\r
1628                                 if($keypass)\r
1629                                 {\r
1630                                         curl_setopt($curl, CURLOPT_SSLKEYPASSWD, $keypass);\r
1631                                 }\r
1632 \r
1633                                 // Upgrade transparently to more stringent check for versions of php which do not support otherwise.\r
1634                                 // Doing it in constructor would be cleaner; doing it here saves us a couple of function calls\r
1635                                 if($this->verifyhost == 1 && $info = curl_version() && version_compare($info['version'], '7.28.1') >= 0)\r
1636                                 {\r
1637                                         $this->verifyhost = 2;\r
1638                                 }\r
1639                                 // whether to verify cert's common name (CN); 0 for no, 1 to verify that it exists, and 2 to verify that it matches the hostname used\r
1640                                 curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, $this->verifyhost);\r
1641                         }\r
1642 \r
1643                         // proxy info\r
1644                         if($proxyhost)\r
1645                         {\r
1646                                 if($proxyport == 0)\r
1647                                 {\r
1648                                         $proxyport = 8080; // NB: even for HTTPS, local connection is on port 8080\r
1649                                 }\r
1650                                 curl_setopt($curl, CURLOPT_PROXY, $proxyhost.':'.$proxyport);\r
1651                                 //curl_setopt($curl, CURLOPT_PROXYPORT,$proxyport);\r
1652                                 if($proxyusername)\r
1653                                 {\r
1654                                         curl_setopt($curl, CURLOPT_PROXYUSERPWD, $proxyusername.':'.$proxypassword);\r
1655                                         if (defined('CURLOPT_PROXYAUTH'))\r
1656                                         {\r
1657                                                 curl_setopt($curl, CURLOPT_PROXYAUTH, $proxyauthtype);\r
1658                                         }\r
1659                                         else if ($proxyauthtype != 1)\r
1660                                         {\r
1661                                                 error_log('XML-RPC: '.__METHOD__.': warning. Only Basic auth to proxy is supported by the current PHP/curl install');\r
1662                                         }\r
1663                                 }\r
1664                         }\r
1665 \r
1666                         // NB: should we build cookie http headers by hand rather than let CURL do it?\r
1667                         // the following code does not honour 'expires', 'path' and 'domain' cookie attributes\r
1668                         // set to client obj the the user...\r
1669                         if (count($this->cookies))\r
1670                         {\r
1671                                 $cookieheader = '';\r
1672                                 foreach ($this->cookies as $name => $cookie)\r
1673                                 {\r
1674                                         $cookieheader .= $name . '=' . $cookie['value'] . '; ';\r
1675                                 }\r
1676                                 curl_setopt($curl, CURLOPT_COOKIE, substr($cookieheader, 0, -2));\r
1677                         }\r
1678 \r
1679                         foreach ($this->extracurlopts as $opt => $val)\r
1680                         {\r
1681                                 curl_setopt($curl, $opt, $val);\r
1682                         }\r
1683 \r
1684                         $result = curl_exec($curl);\r
1685 \r
1686                         if ($this->debug > 1)\r
1687                         {\r
1688                                 print "<PRE>\n---CURL INFO---\n";\r
1689                                 foreach(curl_getinfo($curl) as $name => $val)\r
1690                                 {\r
1691                                         if (is_array($val))\r
1692                                         {\r
1693                                                 $val = implode("\n", $val);\r
1694                                         }\r
1695                                         print $name . ': ' . htmlentities($val) . "\n";\r
1696                                 }\r
1697 \r
1698                                 print "---END---\n</PRE>";\r
1699                         }\r
1700 \r
1701                         if(!$result) /// @todo we should use a better check here - what if we get back '' or '0'?\r
1702                         {\r
1703                                 $this->errstr='no response';\r
1704                                 $resp=new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['curl_fail'], $GLOBALS['xmlrpcstr']['curl_fail']. ': '. curl_error($curl));\r
1705                                 curl_close($curl);\r
1706                                 if($keepalive)\r
1707                                 {\r
1708                                         $this->xmlrpc_curl_handle = null;\r
1709                                 }\r
1710                         }\r
1711                         else\r
1712                         {\r
1713                                 if(!$keepalive)\r
1714                                 {\r
1715                                         curl_close($curl);\r
1716                                 }\r
1717                                 $resp =& $msg->parseResponse($result, true, $this->return_type);\r
1718                                 // if we got back a 302, we can not reuse the curl handle for later calls\r
1719                                 if($resp->faultCode() == $GLOBALS['xmlrpcerr']['http_error'] && $keepalive)\r
1720                                 {\r
1721                                         curl_close($curl);\r
1722                                         $this->xmlrpc_curl_handle = null;\r
1723                                 }\r
1724                         }\r
1725                         return $resp;\r
1726                 }\r
1727 \r
1728                 /**\r
1729                 * Send an array of request messages and return an array of responses.\r
1730                 * Unless $this->no_multicall has been set to true, it will try first\r
1731                 * to use one single xmlrpc call to server method system.multicall, and\r
1732                 * revert to sending many successive calls in case of failure.\r
1733                 * This failure is also stored in $this->no_multicall for subsequent calls.\r
1734                 * Unfortunately, there is no server error code universally used to denote\r
1735                 * the fact that multicall is unsupported, so there is no way to reliably\r
1736                 * distinguish between that and a temporary failure.\r
1737                 * If you are sure that server supports multicall and do not want to\r
1738                 * fallback to using many single calls, set the fourth parameter to FALSE.\r
1739                 *\r
1740                 * NB: trying to shoehorn extra functionality into existing syntax has resulted\r
1741                 * in pretty much convoluted code...\r
1742                 *\r
1743                 * @param array $msgs an array of xmlrpcmsg objects\r
1744                 * @param integer $timeout connection timeout (in seconds)\r
1745                 * @param string $method the http protocol variant to be used\r
1746                 * @param boolean fallback When true, upon receiving an error during multicall, multiple single calls will be attempted\r
1747                 * @return array\r
1748                 * @access public\r
1749                 */\r
1750                 function multicall($msgs, $timeout=0, $method='', $fallback=true)\r
1751                 {\r
1752                         if ($method == '')\r
1753                         {\r
1754                                 $method = $this->method;\r
1755                         }\r
1756                         if(!$this->no_multicall)\r
1757                         {\r
1758                                 $results = $this->_try_multicall($msgs, $timeout, $method);\r
1759                                 if(is_array($results))\r
1760                                 {\r
1761                                         // System.multicall succeeded\r
1762                                         return $results;\r
1763                                 }\r
1764                                 else\r
1765                                 {\r
1766                                         // either system.multicall is unsupported by server,\r
1767                                         // or call failed for some other reason.\r
1768                                         if ($fallback)\r
1769                                         {\r
1770                                                 // Don't try it next time...\r
1771                                                 $this->no_multicall = true;\r
1772                                         }\r
1773                                         else\r
1774                                         {\r
1775                                                 if (is_a($results, 'xmlrpcresp'))\r
1776                                                 {\r
1777                                                         $result = $results;\r
1778                                                 }\r
1779                                                 else\r
1780                                                 {\r
1781                                                         $result = new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['multicall_error'], $GLOBALS['xmlrpcstr']['multicall_error']);\r
1782                                                 }\r
1783                                         }\r
1784                                 }\r
1785                         }\r
1786                         else\r
1787                         {\r
1788                                 // override fallback, in case careless user tries to do two\r
1789                                 // opposite things at the same time\r
1790                                 $fallback = true;\r
1791                         }\r
1792 \r
1793                         $results = array();\r
1794                         if ($fallback)\r
1795                         {\r
1796                                 // system.multicall is (probably) unsupported by server:\r
1797                                 // emulate multicall via multiple requests\r
1798                                 foreach($msgs as $msg)\r
1799                                 {\r
1800                                         $results[] =& $this->send($msg, $timeout, $method);\r
1801                                 }\r
1802                         }\r
1803                         else\r
1804                         {\r
1805                                 // user does NOT want to fallback on many single calls:\r
1806                                 // since we should always return an array of responses,\r
1807                                 // return an array with the same error repeated n times\r
1808                                 foreach($msgs as $msg)\r
1809                                 {\r
1810                                         $results[] = $result;\r
1811                                 }\r
1812                         }\r
1813                         return $results;\r
1814                 }\r
1815 \r
1816                 /**\r
1817                 * Attempt to boxcar $msgs via system.multicall.\r
1818                 * Returns either an array of xmlrpcreponses, an xmlrpc error response\r
1819                 * or false (when received response does not respect valid multicall syntax)\r
1820                 * @access private\r
1821                 */\r
1822                 function _try_multicall($msgs, $timeout, $method)\r
1823                 {\r
1824                         // Construct multicall message\r
1825                         $calls = array();\r
1826                         foreach($msgs as $msg)\r
1827                         {\r
1828                                 $call['methodName'] = new xmlrpcval($msg->method(),'string');\r
1829                                 $numParams = $msg->getNumParams();\r
1830                                 $params = array();\r
1831                                 for($i = 0; $i < $numParams; $i++)\r
1832                                 {\r
1833                                         $params[$i] = $msg->getParam($i);\r
1834                                 }\r
1835                                 $call['params'] = new xmlrpcval($params, 'array');\r
1836                                 $calls[] = new xmlrpcval($call, 'struct');\r
1837                         }\r
1838                         $multicall = new xmlrpcmsg('system.multicall');\r
1839                         $multicall->addParam(new xmlrpcval($calls, 'array'));\r
1840 \r
1841                         // Attempt RPC call\r
1842                         $result =& $this->send($multicall, $timeout, $method);\r
1843 \r
1844                         if($result->faultCode() != 0)\r
1845                         {\r
1846                                 // call to system.multicall failed\r
1847                                 return $result;\r
1848                         }\r
1849 \r
1850                         // Unpack responses.\r
1851                         $rets = $result->value();\r
1852 \r
1853                         if ($this->return_type == 'xml')\r
1854                         {\r
1855                                         return $rets;\r
1856                         }\r
1857                         else if ($this->return_type == 'phpvals')\r
1858                         {\r
1859                                 ///@todo test this code branch...\r
1860                                 $rets = $result->value();\r
1861                                 if(!is_array($rets))\r
1862                                 {\r
1863                                         return false;           // bad return type from system.multicall\r
1864                                 }\r
1865                                 $numRets = count($rets);\r
1866                                 if($numRets != count($msgs))\r
1867                                 {\r
1868                                         return false;           // wrong number of return values.\r
1869                                 }\r
1870 \r
1871                                 $response = array();\r
1872                                 for($i = 0; $i < $numRets; $i++)\r
1873                                 {\r
1874                                         $val = $rets[$i];\r
1875                                         if (!is_array($val)) {\r
1876                                                 return false;\r
1877                                         }\r
1878                                         switch(count($val))\r
1879                                         {\r
1880                                                 case 1:\r
1881                                                         if(!isset($val[0]))\r
1882                                                         {\r
1883                                                                 return false;           // Bad value\r
1884                                                         }\r
1885                                                         // Normal return value\r
1886                                                         $response[$i] = new xmlrpcresp($val[0], 0, '', 'phpvals');\r
1887                                                         break;\r
1888                                                 case 2:\r
1889                                                         ///     @todo remove usage of @: it is apparently quite slow\r
1890                                                         $code = @$val['faultCode'];\r
1891                                                         if(!is_int($code))\r
1892                                                         {\r
1893                                                                 return false;\r
1894                                                         }\r
1895                                                         $str = @$val['faultString'];\r
1896                                                         if(!is_string($str))\r
1897                                                         {\r
1898                                                                 return false;\r
1899                                                         }\r
1900                                                         $response[$i] = new xmlrpcresp(0, $code, $str);\r
1901                                                         break;\r
1902                                                 default:\r
1903                                                         return false;\r
1904                                         }\r
1905                                 }\r
1906                                 return $response;\r
1907                         }\r
1908                         else // return type == 'xmlrpcvals'\r
1909                         {\r
1910                                 $rets = $result->value();\r
1911                                 if($rets->kindOf() != 'array')\r
1912                                 {\r
1913                                         return false;           // bad return type from system.multicall\r
1914                                 }\r
1915                                 $numRets = $rets->arraysize();\r
1916                                 if($numRets != count($msgs))\r
1917                                 {\r
1918                                         return false;           // wrong number of return values.\r
1919                                 }\r
1920 \r
1921                                 $response = array();\r
1922                                 for($i = 0; $i < $numRets; $i++)\r
1923                                 {\r
1924                                         $val = $rets->arraymem($i);\r
1925                                         switch($val->kindOf())\r
1926                                         {\r
1927                                                 case 'array':\r
1928                                                         if($val->arraysize() != 1)\r
1929                                                         {\r
1930                                                                 return false;           // Bad value\r
1931                                                         }\r
1932                                                         // Normal return value\r
1933                                                         $response[$i] = new xmlrpcresp($val->arraymem(0));\r
1934                                                         break;\r
1935                                                 case 'struct':\r
1936                                                         $code = $val->structmem('faultCode');\r
1937                                                         if($code->kindOf() != 'scalar' || $code->scalartyp() != 'int')\r
1938                                                         {\r
1939                                                                 return false;\r
1940                                                         }\r
1941                                                         $str = $val->structmem('faultString');\r
1942                                                         if($str->kindOf() != 'scalar' || $str->scalartyp() != 'string')\r
1943                                                         {\r
1944                                                                 return false;\r
1945                                                         }\r
1946                                                         $response[$i] = new xmlrpcresp(0, $code->scalarval(), $str->scalarval());\r
1947                                                         break;\r
1948                                                 default:\r
1949                                                         return false;\r
1950                                         }\r
1951                                 }\r
1952                                 return $response;\r
1953                         }\r
1954                 }\r
1955         } // end class xmlrpc_client\r
1956 \r
1957         class xmlrpcresp\r
1958         {\r
1959                 var $val = 0;\r
1960                 var $valtyp;\r
1961                 var $errno = 0;\r
1962                 var $errstr = '';\r
1963                 var $payload;\r
1964                 var $hdrs = array();\r
1965                 var $_cookies = array();\r
1966                 var $content_type = 'text/xml';\r
1967                 var $raw_data = '';\r
1968 \r
1969                 /**\r
1970                 * @param mixed $val either an xmlrpcval obj, a php value or the xml serialization of an xmlrpcval (a string)\r
1971                 * @param integer $fcode set it to anything but 0 to create an error response\r
1972                 * @param string $fstr the error string, in case of an error response\r
1973                 * @param string $valtyp either 'xmlrpcvals', 'phpvals' or 'xml'\r
1974                 *\r
1975                 * @todo add check that $val / $fcode / $fstr is of correct type???\r
1976                 * NB: as of now we do not do it, since it might be either an xmlrpcval or a plain\r
1977                 * php val, or a complete xml chunk, depending on usage of xmlrpc_client::send() inside which creator is called...\r
1978                 */\r
1979                 function __construct($val, $fcode = 0, $fstr = '', $valtyp='')\r
1980                 {\r
1981                         if($fcode != 0)\r
1982                         {\r
1983                                 // error response\r
1984                                 $this->errno = $fcode;\r
1985                                 $this->errstr = $fstr;\r
1986                                 //$this->errstr = htmlspecialchars($fstr); // XXX: encoding probably shouldn't be done here; fix later.\r
1987                         }\r
1988                         else\r
1989                         {\r
1990                                 // successful response\r
1991                                 $this->val = $val;\r
1992                                 if ($valtyp == '')\r
1993                                 {\r
1994                                         // user did not declare type of response value: try to guess it\r
1995                                         if (is_object($this->val) && is_a($this->val, 'xmlrpcval'))\r
1996                                         {\r
1997                                                 $this->valtyp = 'xmlrpcvals';\r
1998                                         }\r
1999                                         else if (is_string($this->val))\r
2000                                         {\r
2001                                                 $this->valtyp = 'xml';\r
2002 \r
2003                                         }\r
2004                                         else\r
2005                                         {\r
2006                                                 $this->valtyp = 'phpvals';\r
2007                                         }\r
2008                                 }\r
2009                                 else\r
2010                                 {\r
2011                                         // user declares type of resp value: believe him\r
2012                                         $this->valtyp = $valtyp;\r
2013                                 }\r
2014                         }\r
2015                 }\r
2016 \r
2017                 /**\r
2018                 * @deprecated\r
2019                 */\r
2020                 function xmlrpcresp($val, $fcode = 0, $fstr = '', $valtyp='')\r
2021                 {\r
2022                         self::__construct($val, $fcode, $fstr, $valtyp);\r
2023                 }\r
2024 \r
2025                 /**\r
2026                 * Returns the error code of the response.\r
2027                 * @return integer the error code of this response (0 for not-error responses)\r
2028                 * @access public\r
2029                 */\r
2030                 function faultCode()\r
2031                 {\r
2032                         return $this->errno;\r
2033                 }\r
2034 \r
2035                 /**\r
2036                 * Returns the error code of the response.\r
2037                 * @return string the error string of this response ('' for not-error responses)\r
2038                 * @access public\r
2039                 */\r
2040                 function faultString()\r
2041                 {\r
2042                         return $this->errstr;\r
2043                 }\r
2044 \r
2045                 /**\r
2046                 * Returns the value received by the server.\r
2047                 * @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\r
2048                 * @access public\r
2049                 */\r
2050                 function value()\r
2051                 {\r
2052                         return $this->val;\r
2053                 }\r
2054 \r
2055                 /**\r
2056                 * Returns an array with the cookies received from the server.\r
2057                 * Array has the form: $cookiename => array ('value' => $val, $attr1 => $val1, $attr2 = $val2, ...)\r
2058                 * with attributes being e.g. 'expires', 'path', domain'.\r
2059                 * NB: cookies sent as 'expired' by the server (i.e. with an expiry date in the past)\r
2060                 * are still present in the array. It is up to the user-defined code to decide\r
2061                 * how to use the received cookies, and whether they have to be sent back with the next\r
2062                 * request to the server (using xmlrpc_client::setCookie) or not\r
2063                 * @return array array of cookies received from the server\r
2064                 * @access public\r
2065                 */\r
2066                 function cookies()\r
2067                 {\r
2068                         return $this->_cookies;\r
2069                 }\r
2070 \r
2071                 /**\r
2072                 * Returns xml representation of the response. XML prologue not included\r
2073                 * @param string $charset_encoding the charset to be used for serialization. if null, US-ASCII is assumed\r
2074                 * @return string the xml representation of the response\r
2075                 * @access public\r
2076                 */\r
2077                 function serialize($charset_encoding='')\r
2078                 {\r
2079                         if ($charset_encoding != '')\r
2080                                 $this->content_type = 'text/xml; charset=' . $charset_encoding;\r
2081                         else\r
2082                                 $this->content_type = 'text/xml';\r
2083                         if ($GLOBALS['xmlrpc_null_apache_encoding'])\r
2084                         {\r
2085                                 $result = "<methodResponse xmlns:ex=\"".$GLOBALS['xmlrpc_null_apache_encoding_ns']."\">\n";\r
2086                         }\r
2087                         else\r
2088                         {\r
2089                         $result = "<methodResponse>\n";\r
2090                         }\r
2091                         if($this->errno)\r
2092                         {\r
2093                                 // G. Giunta 2005/2/13: let non-ASCII response messages be tolerated by clients\r
2094                                 // by xml-encoding non ascii chars\r
2095                                 $result .= "<fault>\n" .\r
2096 "<value>\n<struct><member><name>faultCode</name>\n<value><int>" . $this->errno .\r
2097 "</int></value>\n</member>\n<member>\n<name>faultString</name>\n<value><string>" .\r
2098 xmlrpc_encode_entitites($this->errstr, $GLOBALS['xmlrpc_internalencoding'], $charset_encoding) . "</string></value>\n</member>\n" .\r
2099 "</struct>\n</value>\n</fault>";\r
2100                         }\r
2101                         else\r
2102                         {\r
2103                                 if(!is_object($this->val) || !is_a($this->val, 'xmlrpcval'))\r
2104                                 {\r
2105                                         if (is_string($this->val) && $this->valtyp == 'xml')\r
2106                                         {\r
2107                                                 $result .= "<params>\n<param>\n" .\r
2108                                                         $this->val .\r
2109                                                         "</param>\n</params>";\r
2110                                         }\r
2111                                         else\r
2112                                         {\r
2113                                                 /// @todo try to build something serializable?\r
2114                                                 die('cannot serialize xmlrpcresp objects whose content is native php values');\r
2115                                         }\r
2116                                 }\r
2117                                 else\r
2118                                 {\r
2119                                         $result .= "<params>\n<param>\n" .\r
2120                                                 $this->val->serialize($charset_encoding) .\r
2121                                                 "</param>\n</params>";\r
2122                                 }\r
2123                         }\r
2124                         $result .= "\n</methodResponse>";\r
2125                         $this->payload = $result;\r
2126                         return $result;\r
2127                 }\r
2128         }\r
2129 \r
2130         class xmlrpcmsg\r
2131         {\r
2132                 var $payload;\r
2133                 var $methodname;\r
2134                 var $params=array();\r
2135                 var $debug=0;\r
2136                 var $content_type = 'text/xml';\r
2137 \r
2138                 /**\r
2139                 * @param string $meth the name of the method to invoke\r
2140                 * @param array $pars array of parameters to be passed to the method (xmlrpcval objects)\r
2141                 */\r
2142                 function __construct($meth, $pars=0)\r
2143                 {\r
2144                         $this->methodname=$meth;\r
2145                         if(is_array($pars) && count($pars)>0)\r
2146                         {\r
2147                                 for($i=0; $i<count($pars); $i++)\r
2148                                 {\r
2149                                         $this->addParam($pars[$i]);\r
2150                                 }\r
2151                         }\r
2152                 }\r
2153 \r
2154                                 /**\r
2155                 * @deprecated\r
2156                 */\r
2157                 function xmlrpcmsg($meth, $pars=0)\r
2158                 {\r
2159                         self::__construct($meth, $pars);\r
2160                 }\r
2161 \r
2162                 /**\r
2163                 * @access private\r
2164                 */\r
2165                 function xml_header($charset_encoding='')\r
2166                 {\r
2167                         if ($charset_encoding != '')\r
2168                         {\r
2169                                 return "<?xml version=\"1.0\" encoding=\"$charset_encoding\" ?" . ">\n<methodCall>\n";\r
2170                         }\r
2171                         else\r
2172                         {\r
2173                                 return "<?xml version=\"1.0\"?" . ">\n<methodCall>\n";\r
2174                         }\r
2175                 }\r
2176 \r
2177                 /**\r
2178                 * @access private\r
2179                 */\r
2180                 function xml_footer()\r
2181                 {\r
2182                         return '</methodCall>';\r
2183                 }\r
2184 \r
2185                 /**\r
2186                 * @access private\r
2187                 */\r
2188                 function kindOf()\r
2189                 {\r
2190                         return 'msg';\r
2191                 }\r
2192 \r
2193                 /**\r
2194                 * @access private\r
2195                 */\r
2196                 function createPayload($charset_encoding='')\r
2197                 {\r
2198                         if ($charset_encoding != '')\r
2199                                 $this->content_type = 'text/xml; charset=' . $charset_encoding;\r
2200                         else\r
2201                                 $this->content_type = 'text/xml';\r
2202                         $this->payload=$this->xml_header($charset_encoding);\r
2203                         $this->payload.='<methodName>' . xmlrpc_encode_entitites($this->methodname, $GLOBALS['xmlrpc_internalencoding'], $charset_encoding) . "</methodName>\n";\r
2204                         $this->payload.="<params>\n";\r
2205                         for($i=0; $i<count($this->params); $i++)\r
2206                         {\r
2207                                 $p=$this->params[$i];\r
2208                                 $this->payload.="<param>\n" . $p->serialize($charset_encoding) .\r
2209                                 "</param>\n";\r
2210                         }\r
2211                         $this->payload.="</params>\n";\r
2212                         $this->payload.=$this->xml_footer();\r
2213                 }\r
2214 \r
2215                 /**\r
2216                 * Gets/sets the xmlrpc method to be invoked\r
2217                 * @param string $meth the method to be set (leave empty not to set it)\r
2218                 * @return string the method that will be invoked\r
2219                 * @access public\r
2220                 */\r
2221                 function method($meth='')\r
2222                 {\r
2223                         if($meth!='')\r
2224                         {\r
2225                                 $this->methodname=$meth;\r
2226                         }\r
2227                         return $this->methodname;\r
2228                 }\r
2229 \r
2230                 /**\r
2231                 * Returns xml representation of the message. XML prologue included\r
2232                 * @param string $charset_encoding\r
2233                 * @return string the xml representation of the message, xml prologue included\r
2234                 * @access public\r
2235                 */\r
2236                 function serialize($charset_encoding='')\r
2237                 {\r
2238                         $this->createPayload($charset_encoding);\r
2239                         return $this->payload;\r
2240                 }\r
2241 \r
2242                 /**\r
2243                 * Add a parameter to the list of parameters to be used upon method invocation\r
2244                 * @param xmlrpcval $par\r
2245                 * @return boolean false on failure\r
2246                 * @access public\r
2247                 */\r
2248                 function addParam($par)\r
2249                 {\r
2250                         // add check: do not add to self params which are not xmlrpcvals\r
2251                         if(is_object($par) && is_a($par, 'xmlrpcval'))\r
2252                         {\r
2253                                 $this->params[]=$par;\r
2254                                 return true;\r
2255                         }\r
2256                         else\r
2257                         {\r
2258                                 return false;\r
2259                         }\r
2260                 }\r
2261 \r
2262                 /**\r
2263                 * Returns the nth parameter in the message. The index zero-based.\r
2264                 * @param integer $i the index of the parameter to fetch (zero based)\r
2265                 * @return xmlrpcval the i-th parameter\r
2266                 * @access public\r
2267                 */\r
2268                 function getParam($i) { return $this->params[$i]; }\r
2269 \r
2270                 /**\r
2271                 * Returns the number of parameters in the messge.\r
2272                 * @return integer the number of parameters currently set\r
2273                 * @access public\r
2274                 */\r
2275                 function getNumParams() { return count($this->params); }\r
2276 \r
2277                 /**\r
2278                 * Given an open file handle, read all data available and parse it as axmlrpc response.\r
2279                 * NB: the file handle is not closed by this function.\r
2280                 * NNB: might have trouble in rare cases to work on network streams, as we\r
2281                 *      check for a read of 0 bytes instead of feof($fp).\r
2282                 *      But since checking for feof(null) returns false, we would risk an\r
2283                 *      infinite loop in that case, because we cannot trust the caller\r
2284                 *      to give us a valid pointer to an open file...\r
2285                 * @access public\r
2286                 * @param resource $fp stream pointer\r
2287                 * @return xmlrpcresp\r
2288                 * @todo add 2nd & 3rd param to be passed to ParseResponse() ???\r
2289                 */\r
2290                 function &parseResponseFile($fp)\r
2291                 {\r
2292                         $ipd='';\r
2293                         while($data=fread($fp, 32768))\r
2294                         {\r
2295                                 $ipd.=$data;\r
2296                         }\r
2297                         //fclose($fp);\r
2298                         $r =& $this->parseResponse($ipd);\r
2299                         return $r;\r
2300                 }\r
2301 \r
2302                 /**\r
2303                 * Parses HTTP headers and separates them from data.\r
2304                 * @access private\r
2305                 */\r
2306                 function &parseResponseHeaders(&$data, $headers_processed=false)\r
2307                 {\r
2308                                 // Support "web-proxy-tunelling" connections for https through proxies\r
2309                                 if(preg_match('/^HTTP\/1\.[0-1] 200 Connection established/', $data))\r
2310                                 {\r
2311                                         // Look for CR/LF or simple LF as line separator,\r
2312                                         // (even though it is not valid http)\r
2313                                         $pos = strpos($data,"\r\n\r\n");\r
2314                                         if($pos || is_int($pos))\r
2315                                         {\r
2316                                                 $bd = $pos+4;\r
2317                                         }\r
2318                                         else\r
2319                                         {\r
2320                                                 $pos = strpos($data,"\n\n");\r
2321                                                 if($pos || is_int($pos))\r
2322                                                 {\r
2323                                                         $bd = $pos+2;\r
2324                                                 }\r
2325                                                 else\r
2326                                                 {\r
2327                                                         // No separation between response headers and body: fault?\r
2328                                                         $bd = 0;\r
2329                                                 }\r
2330                                         }\r
2331                                         if ($bd)\r
2332                                         {\r
2333                                                 // this filters out all http headers from proxy.\r
2334                                                 // maybe we could take them into account, too?\r
2335                                                 $data = substr($data, $bd);\r
2336                                         }\r
2337                                         else\r
2338                                         {\r
2339                                                 error_log('XML-RPC: '.__METHOD__.': HTTPS via proxy error, tunnel connection possibly failed');\r
2340                                                 $r=new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['http_error'], $GLOBALS['xmlrpcstr']['http_error']. ' (HTTPS via proxy error, tunnel connection possibly failed)');\r
2341                                                 return $r;\r
2342                                         }\r
2343                                 }\r
2344 \r
2345                                 // Strip HTTP 1.1 100 Continue header if present\r
2346                                 while(preg_match('/^HTTP\/1\.1 1[0-9]{2} /', $data))\r
2347                                 {\r
2348                                         $pos = strpos($data, 'HTTP', 12);\r
2349                                         // server sent a Continue header without any (valid) content following...\r
2350                                         // give the client a chance to know it\r
2351                                         if(!$pos && !is_int($pos)) // works fine in php 3, 4 and 5\r
2352                                         {\r
2353                                                 break;\r
2354                                         }\r
2355                                         $data = substr($data, $pos);\r
2356                                 }\r
2357                                 if(!preg_match('/^HTTP\/[0-9.]+ 200 /', $data))\r
2358                                 {\r
2359                                         $errstr= substr($data, 0, strpos($data, "\n")-1);\r
2360                                         error_log('XML-RPC: '.__METHOD__.': HTTP error, got response: ' .$errstr);\r
2361                                         $r=new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['http_error'], $GLOBALS['xmlrpcstr']['http_error']. ' (' . $errstr . ')');\r
2362                                         return $r;\r
2363                                 }\r
2364 \r
2365                                 $GLOBALS['_xh']['headers'] = array();\r
2366                                 $GLOBALS['_xh']['cookies'] = array();\r
2367 \r
2368                                 // be tolerant to usage of \n instead of \r\n to separate headers and data\r
2369                                 // (even though it is not valid http)\r
2370                                 $pos = strpos($data,"\r\n\r\n");\r
2371                                 if($pos || is_int($pos))\r
2372                                 {\r
2373                                         $bd = $pos+4;\r
2374                                 }\r
2375                                 else\r
2376                                 {\r
2377                                         $pos = strpos($data,"\n\n");\r
2378                                         if($pos || is_int($pos))\r
2379                                         {\r
2380                                                 $bd = $pos+2;\r
2381                                         }\r
2382                                         else\r
2383                                         {\r
2384                                                 // No separation between response headers and body: fault?\r
2385                                                 // we could take some action here instead of going on...\r
2386                                                 $bd = 0;\r
2387                                         }\r
2388                                 }\r
2389                                 // be tolerant to line endings, and extra empty lines\r
2390                                 $ar = preg_split("/\r?\n/", trim(substr($data, 0, $pos)));\r
2391                                 while(list(,$line) = @each($ar))\r
2392                                 {\r
2393                                         // take care of multi-line headers and cookies\r
2394                                         $arr = explode(':',$line,2);\r
2395                                         if(count($arr) > 1)\r
2396                                         {\r
2397                                                 $header_name = strtolower(trim($arr[0]));\r
2398                                                 /// @todo some other headers (the ones that allow a CSV list of values)\r
2399                                                 /// do allow many values to be passed using multiple header lines.\r
2400                                                 /// We should add content to $GLOBALS['_xh']['headers'][$header_name]\r
2401                                                 /// instead of replacing it for those...\r
2402                                                 if ($header_name == 'set-cookie' || $header_name == 'set-cookie2')\r
2403                                                 {\r
2404                                                         if ($header_name == 'set-cookie2')\r
2405                                                         {\r
2406                                                                 // version 2 cookies:\r
2407                                                                 // there could be many cookies on one line, comma separated\r
2408                                                                 $cookies = explode(',', $arr[1]);\r
2409                                                         }\r
2410                                                         else\r
2411                                                         {\r
2412                                                                 $cookies = array($arr[1]);\r
2413                                                         }\r
2414                                                         foreach ($cookies as $cookie)\r
2415                                                         {\r
2416                                                                 // glue together all received cookies, using a comma to separate them\r
2417                                                                 // (same as php does with getallheaders())\r
2418                                                                 if (isset($GLOBALS['_xh']['headers'][$header_name]))\r
2419                                                                         $GLOBALS['_xh']['headers'][$header_name] .= ', ' . trim($cookie);\r
2420                                                                 else\r
2421                                                                         $GLOBALS['_xh']['headers'][$header_name] = trim($cookie);\r
2422                                                                 // parse cookie attributes, in case user wants to correctly honour them\r
2423                                                                 // feature creep: only allow rfc-compliant cookie attributes?\r
2424                                                                 // @todo support for server sending multiple time cookie with same name, but using different PATHs\r
2425                                                                 $cookie = explode(';', $cookie);\r
2426                                                                 foreach ($cookie as $pos => $val)\r
2427                                                                 {\r
2428                                                                         $val = explode('=', $val, 2);\r
2429                                                                         $tag = trim($val[0]);\r
2430                                                                         $val = trim(@$val[1]);\r
2431                                                                         /// @todo with version 1 cookies, we should strip leading and trailing " chars\r
2432                                                                         if ($pos == 0)\r
2433                                                                         {\r
2434                                                                                 $cookiename = $tag;\r
2435                                                                                 $GLOBALS['_xh']['cookies'][$tag] = array();\r
2436                                                                                 $GLOBALS['_xh']['cookies'][$cookiename]['value'] = urldecode($val);\r
2437                                                                         }\r
2438                                                                         else\r
2439                                                                         {\r
2440                                                                                 if ($tag != 'value')\r
2441                                                                                 {\r
2442                                                                                         $GLOBALS['_xh']['cookies'][$cookiename][$tag] = $val;\r
2443                                                                                 }\r
2444                                                                         }\r
2445                                                                 }\r
2446                                                         }\r
2447                                                 }\r
2448                                                 else\r
2449                                                 {\r
2450                                                         $GLOBALS['_xh']['headers'][$header_name] = trim($arr[1]);\r
2451                                                 }\r
2452                                         }\r
2453                                         elseif(isset($header_name))\r
2454                                         {\r
2455                                                 ///     @todo version1 cookies might span multiple lines, thus breaking the parsing above\r
2456                                                 $GLOBALS['_xh']['headers'][$header_name] .= ' ' . trim($line);\r
2457                                         }\r
2458                                 }\r
2459 \r
2460                                 $data = substr($data, $bd);\r
2461 \r
2462                                 if($this->debug && count($GLOBALS['_xh']['headers']))\r
2463                                 {\r
2464                                         print '<PRE>';\r
2465                                         foreach($GLOBALS['_xh']['headers'] as $header => $value)\r
2466                                         {\r
2467                                                 print htmlentities("HEADER: $header: $value\n");\r
2468                                         }\r
2469                                         foreach($GLOBALS['_xh']['cookies'] as $header => $value)\r
2470                                         {\r
2471                                                 print htmlentities("COOKIE: $header={$value['value']}\n");\r
2472                                         }\r
2473                                         print "</PRE>\n";\r
2474                                 }\r
2475 \r
2476                                 // if CURL was used for the call, http headers have been processed,\r
2477                                 // and dechunking + reinflating have been carried out\r
2478                                 if(!$headers_processed)\r
2479                                 {\r
2480                                         // Decode chunked encoding sent by http 1.1 servers\r
2481                                         if(isset($GLOBALS['_xh']['headers']['transfer-encoding']) && $GLOBALS['_xh']['headers']['transfer-encoding'] == 'chunked')\r
2482                                         {\r
2483                                                 if(!$data = decode_chunked($data))\r
2484                                                 {\r
2485                                                         error_log('XML-RPC: '.__METHOD__.': errors occurred when trying to rebuild the chunked data received from server');\r
2486                                                         $r = new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['dechunk_fail'], $GLOBALS['xmlrpcstr']['dechunk_fail']);\r
2487                                                         return $r;\r
2488                                                 }\r
2489                                         }\r
2490 \r
2491                                         // Decode gzip-compressed stuff\r
2492                                         // code shamelessly inspired from nusoap library by Dietrich Ayala\r
2493                                         if(isset($GLOBALS['_xh']['headers']['content-encoding']))\r
2494                                         {\r
2495                                                 $GLOBALS['_xh']['headers']['content-encoding'] = str_replace('x-', '', $GLOBALS['_xh']['headers']['content-encoding']);\r
2496                                                 if($GLOBALS['_xh']['headers']['content-encoding'] == 'deflate' || $GLOBALS['_xh']['headers']['content-encoding'] == 'gzip')\r
2497                                                 {\r
2498                                                         // if decoding works, use it. else assume data wasn't gzencoded\r
2499                                                         if(function_exists('gzinflate'))\r
2500                                                         {\r
2501                                                                 if($GLOBALS['_xh']['headers']['content-encoding'] == 'deflate' && $degzdata = @gzuncompress($data))\r
2502                                                                 {\r
2503                                                                         $data = $degzdata;\r
2504                                                                         if($this->debug)\r
2505                                                                         print "<PRE>---INFLATED RESPONSE---[".strlen($data)." chars]---\n" . htmlentities($data) . "\n---END---</PRE>";\r
2506                                                                 }\r
2507                                                                 elseif($GLOBALS['_xh']['headers']['content-encoding'] == 'gzip' && $degzdata = @gzinflate(substr($data, 10)))\r
2508                                                                 {\r
2509                                                                         $data = $degzdata;\r
2510                                                                         if($this->debug)\r
2511                                                                         print "<PRE>---INFLATED RESPONSE---[".strlen($data)." chars]---\n" . htmlentities($data) . "\n---END---</PRE>";\r
2512                                                                 }\r
2513                                                                 else\r
2514                                                                 {\r
2515                                                                         error_log('XML-RPC: '.__METHOD__.': errors occurred when trying to decode the deflated data received from server');\r
2516                                                                         $r = new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['decompress_fail'], $GLOBALS['xmlrpcstr']['decompress_fail']);\r
2517                                                                         return $r;\r
2518                                                                 }\r
2519                                                         }\r
2520                                                         else\r
2521                                                         {\r
2522                                                                 error_log('XML-RPC: '.__METHOD__.': the server sent deflated data. Your php install must have the Zlib extension compiled in to support this.');\r
2523                                                                 $r = new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['cannot_decompress'], $GLOBALS['xmlrpcstr']['cannot_decompress']);\r
2524                                                                 return $r;\r
2525                                                         }\r
2526                                                 }\r
2527                                         }\r
2528                                 } // end of 'if needed, de-chunk, re-inflate response'\r
2529 \r
2530                                 // real stupid hack to avoid PHP complaining about returning NULL by ref\r
2531                                 $r = null;\r
2532                                 $r =& $r;\r
2533                                 return $r;\r
2534                 }\r
2535 \r
2536                 /**\r
2537                 * Parse the xmlrpc response contained in the string $data and return an xmlrpcresp object.\r
2538                 * @param string $data the xmlrpc response, eventually including http headers\r
2539                 * @param bool $headers_processed when true prevents parsing HTTP headers for interpretation of content-encoding and consequent decoding\r
2540                 * @param string $return_type decides return type, i.e. content of response->value(). Either 'xmlrpcvals', 'xml' or 'phpvals'\r
2541                 * @return xmlrpcresp\r
2542                 * @access public\r
2543                 */\r
2544                 function &parseResponse($data='', $headers_processed=false, $return_type='xmlrpcvals')\r
2545                 {\r
2546                         if($this->debug)\r
2547                         {\r
2548                                 //by maHo, replaced htmlspecialchars with htmlentities\r
2549                                 print "<PRE>---GOT---\n" . htmlentities($data) . "\n---END---\n</PRE>";\r
2550                         }\r
2551 \r
2552                         if($data == '')\r
2553                         {\r
2554                                 error_log('XML-RPC: '.__METHOD__.': no response received from server.');\r
2555                                 $r = new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['no_data'], $GLOBALS['xmlrpcstr']['no_data']);\r
2556                                 return $r;\r
2557                         }\r
2558 \r
2559                         $GLOBALS['_xh']=array();\r
2560 \r
2561                         $raw_data = $data;\r
2562                         // parse the HTTP headers of the response, if present, and separate them from data\r
2563                         if(substr($data, 0, 4) == 'HTTP')\r
2564                         {\r
2565                                 $r =& $this->parseResponseHeaders($data, $headers_processed);\r
2566                                 if ($r)\r
2567                                 {\r
2568                                         // failed processing of HTTP response headers\r
2569                                         // save into response obj the full payload received, for debugging\r
2570                                         $r->raw_data = $data;\r
2571                                         return $r;\r
2572                                 }\r
2573                         }\r
2574                         else\r
2575                         {\r
2576                                 $GLOBALS['_xh']['headers'] = array();\r
2577                                 $GLOBALS['_xh']['cookies'] = array();\r
2578                         }\r
2579 \r
2580                         if($this->debug)\r
2581                         {\r
2582                                 $start = strpos($data, '<!-- SERVER DEBUG INFO (BASE64 ENCODED):');\r
2583                                 if ($start)\r
2584                                 {\r
2585                                         $start += strlen('<!-- SERVER DEBUG INFO (BASE64 ENCODED):');\r
2586                                         $end = strpos($data, '-->', $start);\r
2587                                         $comments = substr($data, $start, $end-$start);\r
2588                                         print "<PRE>---SERVER DEBUG INFO (DECODED) ---\n\t".htmlentities(str_replace("\n", "\n\t", base64_decode($comments)))."\n---END---\n</PRE>";\r
2589                                 }\r
2590                         }\r
2591 \r
2592                         // be tolerant of extra whitespace in response body\r
2593                         $data = trim($data);\r
2594 \r
2595                         /// @todo return an error msg if $data=='' ?\r
2596 \r
2597                         // be tolerant of junk after methodResponse (e.g. javascript ads automatically inserted by free hosts)\r
2598                         // idea from Luca Mariano <luca.mariano@email.it> originally in PEARified version of the lib\r
2599                         $pos = strrpos($data, '</methodResponse>');\r
2600                         if($pos !== false)\r
2601                         {\r
2602                                 $data = substr($data, 0, $pos+17);\r
2603                         }\r
2604 \r
2605                         // if user wants back raw xml, give it to him\r
2606                         if ($return_type == 'xml')\r
2607                         {\r
2608                                 $r = new xmlrpcresp($data, 0, '', 'xml');\r
2609                                 $r->hdrs = $GLOBALS['_xh']['headers'];\r
2610                                 $r->_cookies = $GLOBALS['_xh']['cookies'];\r
2611                                 $r->raw_data = $raw_data;\r
2612                                 return $r;\r
2613                         }\r
2614 \r
2615                         // try to 'guestimate' the character encoding of the received response\r
2616                         $resp_encoding = guess_encoding(@$GLOBALS['_xh']['headers']['content-type'], $data);\r
2617 \r
2618                         $GLOBALS['_xh']['ac']='';\r
2619                         //$GLOBALS['_xh']['qt']=''; //unused...\r
2620                         $GLOBALS['_xh']['stack'] = array();\r
2621                         $GLOBALS['_xh']['valuestack'] = array();\r
2622                         $GLOBALS['_xh']['isf']=0; // 0 = OK, 1 for xmlrpc fault responses, 2 = invalid xmlrpc\r
2623                         $GLOBALS['_xh']['isf_reason']='';\r
2624                         $GLOBALS['_xh']['rt']=''; // 'methodcall or 'methodresponse'\r
2625 \r
2626                         // Since parsing will fail if charset is not specified in the xml prologue,\r
2627                         // the encoding is not UTF8 and there are non-ascii chars in the text, we try to work round that...\r
2628                         // The following code might be better for mb_string enabled installs, but\r
2629                         // makes the lib about 200% slower...\r
2630                         //if (!is_valid_charset($resp_encoding, array('UTF-8')))\r
2631                         if (!in_array($resp_encoding, array('UTF-8', 'US-ASCII')) && !has_encoding($data)) {\r
2632                                 if ($resp_encoding == 'ISO-8859-1') {\r
2633                                         $data = utf8_encode($data);\r
2634                                 } else {\r
2635                                         if (extension_loaded('mbstring')) {\r
2636                                                 $data = mb_convert_encoding($data, 'UTF-8', $resp_encoding);\r
2637                                         } else {\r
2638                                                 error_log('XML-RPC: ' . __METHOD__ . ': invalid charset encoding of received request: ' . $resp_encoding);\r
2639                                         }\r
2640                                 }\r
2641                         }\r
2642 \r
2643                         $parser = xml_parser_create();\r
2644                         xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, true);\r
2645                         // G. Giunta 2005/02/13: PHP internally uses ISO-8859-1, so we have to tell\r
2646                         // the xml parser to give us back data in the expected charset.\r
2647                         // What if internal encoding is not in one of the 3 allowed?\r
2648                         // we use the broadest one, ie. utf8\r
2649                         // This allows to send data which is native in various charset,\r
2650                         // by extending xmlrpc_encode_entitites() and setting xmlrpc_internalencoding\r
2651                         if (!in_array($GLOBALS['xmlrpc_internalencoding'], array('UTF-8', 'ISO-8859-1', 'US-ASCII')))\r
2652                         {\r
2653                                 xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, 'UTF-8');\r
2654                         }\r
2655                         else\r
2656                         {\r
2657                                 xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, $GLOBALS['xmlrpc_internalencoding']);\r
2658                         }\r
2659 \r
2660                         if ($return_type == 'phpvals')\r
2661                         {\r
2662                                 xml_set_element_handler($parser, 'xmlrpc_se', 'xmlrpc_ee_fast');\r
2663                         }\r
2664                         else\r
2665                         {\r
2666                                 xml_set_element_handler($parser, 'xmlrpc_se', 'xmlrpc_ee');\r
2667                         }\r
2668 \r
2669                         xml_set_character_data_handler($parser, 'xmlrpc_cd');\r
2670                         xml_set_default_handler($parser, 'xmlrpc_dh');\r
2671 \r
2672                         // first error check: xml not well formed\r
2673                         if(!xml_parse($parser, $data, count($data)))\r
2674                         {\r
2675                                 // thanks to Peter Kocks <peter.kocks@baygate.com>\r
2676                                 if((xml_get_current_line_number($parser)) == 1)\r
2677                                 {\r
2678                                         $errstr = 'XML error at line 1, check URL';\r
2679                                 }\r
2680                                 else\r
2681                                 {\r
2682                                         $errstr = sprintf('XML error: %s at line %d, column %d',\r
2683                                                 xml_error_string(xml_get_error_code($parser)),\r
2684                                                 xml_get_current_line_number($parser), xml_get_current_column_number($parser));\r
2685                                 }\r
2686                                 error_log($errstr);\r
2687                                 $r=new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['invalid_return'], $GLOBALS['xmlrpcstr']['invalid_return'].' ('.$errstr.')');\r
2688                                 xml_parser_free($parser);\r
2689                                 if($this->debug)\r
2690                                 {\r
2691                                         print $errstr;\r
2692                                 }\r
2693                                 $r->hdrs = $GLOBALS['_xh']['headers'];\r
2694                                 $r->_cookies = $GLOBALS['_xh']['cookies'];\r
2695                                 $r->raw_data = $raw_data;\r
2696                                 return $r;\r
2697                         }\r
2698                         xml_parser_free($parser);\r
2699                         // second error check: xml well formed but not xml-rpc compliant\r
2700                         if ($GLOBALS['_xh']['isf'] > 1)\r
2701                         {\r
2702                                 if ($this->debug)\r
2703                                 {\r
2704                                         /// @todo echo something for user?\r
2705                                 }\r
2706 \r
2707                                 $r = new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['invalid_return'],\r
2708                                 $GLOBALS['xmlrpcstr']['invalid_return'] . ' ' . $GLOBALS['_xh']['isf_reason']);\r
2709                         }\r
2710                         // third error check: parsing of the response has somehow gone boink.\r
2711                         // NB: shall we omit this check, since we trust the parsing code?\r
2712                         elseif ($return_type == 'xmlrpcvals' && !is_object($GLOBALS['_xh']['value']))\r
2713                         {\r
2714                                 // something odd has happened\r
2715                                 // and it's time to generate a client side error\r
2716                                 // indicating something odd went on\r
2717                                 $r=new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['invalid_return'],\r
2718                                         $GLOBALS['xmlrpcstr']['invalid_return']);\r
2719                         }\r
2720                         else\r
2721                         {\r
2722                                 if ($this->debug)\r
2723                                 {\r
2724                                         print "<PRE>---PARSED---\n";\r
2725                                         // somehow htmlentities chokes on var_export, and some full html string...\r
2726                                         //print htmlentitites(var_export($GLOBALS['_xh']['value'], true));\r
2727                                         print htmlspecialchars(var_export($GLOBALS['_xh']['value'], true));\r
2728                                         print "\n---END---</PRE>";\r
2729                                 }\r
2730 \r
2731                                 // note that using =& will raise an error if $GLOBALS['_xh']['st'] does not generate an object.\r
2732                                 $v =& $GLOBALS['_xh']['value'];\r
2733 \r
2734                                 if($GLOBALS['_xh']['isf'])\r
2735                                 {\r
2736                                         /// @todo we should test here if server sent an int and a string,\r
2737                                         /// and/or coerce them into such...\r
2738                                         if ($return_type == 'xmlrpcvals')\r
2739                                         {\r
2740                                                 $errno_v = $v->structmem('faultCode');\r
2741                                                 $errstr_v = $v->structmem('faultString');\r
2742                                                 $errno = $errno_v->scalarval();\r
2743                                                 $errstr = $errstr_v->scalarval();\r
2744                                         }\r
2745                                         else\r
2746                                         {\r
2747                                                 $errno = $v['faultCode'];\r
2748                                                 $errstr = $v['faultString'];\r
2749                                         }\r
2750 \r
2751                                         if($errno == 0)\r
2752                                         {\r
2753                                                 // FAULT returned, errno needs to reflect that\r
2754                                                 $errno = -1;\r
2755                                         }\r
2756 \r
2757                                         $r = new xmlrpcresp(0, $errno, $errstr);\r
2758                                 }\r
2759                                 else\r
2760                                 {\r
2761                                         $r=new xmlrpcresp($v, 0, '', $return_type);\r
2762                                 }\r
2763                         }\r
2764 \r
2765                         $r->hdrs = $GLOBALS['_xh']['headers'];\r
2766                         $r->_cookies = $GLOBALS['_xh']['cookies'];\r
2767                         $r->raw_data = $raw_data;\r
2768                         return $r;\r
2769                 }\r
2770         }\r
2771 \r
2772         class xmlrpcval\r
2773         {\r
2774                 var $me=array();\r
2775                 var $mytype=0;\r
2776                 var $_php_class=null;\r
2777 \r
2778                 /**\r
2779                 * @param mixed $val\r
2780                 * @param string $type any valid xmlrpc type name (lowercase). If null, 'string' is assumed\r
2781                 */\r
2782                 function __construct($val=-1, $type='')\r
2783                 {\r
2784                         /// @todo: optimization creep - do not call addXX, do it all inline.\r
2785                         /// downside: booleans will not be coerced anymore\r
2786                         if($val!==-1 || $type!='')\r
2787                         {\r
2788                                 // optimization creep: inlined all work done by constructor\r
2789                                 switch($type)\r
2790                                 {\r
2791                                         case '':\r
2792                                                 $this->mytype=1;\r
2793                                                 $this->me['string']=$val;\r
2794                                                 break;\r
2795                                         case 'i4':\r
2796                                         case 'int':\r
2797                                         case 'double':\r
2798                                         case 'string':\r
2799                                         case 'boolean':\r
2800                                         case 'dateTime.iso8601':\r
2801                                         case 'base64':\r
2802                                         case 'null':\r
2803                                                 $this->mytype=1;\r
2804                                                 $this->me[$type]=$val;\r
2805                                                 break;\r
2806                                         case 'array':\r
2807                                                 $this->mytype=2;\r
2808                                                 $this->me['array']=$val;\r
2809                                                 break;\r
2810                                         case 'struct':\r
2811                                                 $this->mytype=3;\r
2812                                                 $this->me['struct']=$val;\r
2813                                                 break;\r
2814                                         default:\r
2815                                                 error_log("XML-RPC: ".__METHOD__.": not a known type ($type)");\r
2816                                 }\r
2817                                 /*if($type=='')\r
2818                                 {\r
2819                                         $type='string';\r
2820                                 }\r
2821                                 if($GLOBALS['xmlrpcTypes'][$type]==1)\r
2822                                 {\r
2823                                         $this->addScalar($val,$type);\r
2824                                 }\r
2825                                 elseif($GLOBALS['xmlrpcTypes'][$type]==2)\r
2826                                 {\r
2827                                         $this->addArray($val);\r
2828                                 }\r
2829                                 elseif($GLOBALS['xmlrpcTypes'][$type]==3)\r
2830                                 {\r
2831                                         $this->addStruct($val);\r
2832                                 }*/\r
2833                         }\r
2834                 }\r
2835 \r
2836                 /**\r
2837                 * @deprecated\r
2838                 */\r
2839                 function xmlrpcval($val=-1, $type='')\r
2840                 {\r
2841                         self::__construct($val, $type);\r
2842                 }\r
2843 \r
2844                 /**\r
2845                 * Add a single php value to an (unitialized) xmlrpcval\r
2846                 * @param mixed $val\r
2847                 * @param string $type\r
2848                 * @return int 1 or 0 on failure\r
2849                 */\r
2850                 function addScalar($val, $type='string')\r
2851                 {\r
2852                         $typeof=@$GLOBALS['xmlrpcTypes'][$type];\r
2853                         if($typeof!=1)\r
2854                         {\r
2855                                 error_log("XML-RPC: ".__METHOD__.": not a scalar type ($type)");\r
2856                                 return 0;\r
2857                         }\r
2858 \r
2859                         // coerce booleans into correct values\r
2860                         // NB: we should either do it for datetimes, integers and doubles, too,\r
2861                         // or just plain remove this check, implemented on booleans only...\r
2862                         if($type==$GLOBALS['xmlrpcBoolean'])\r
2863                         {\r
2864                                 if(strcasecmp($val,'true')==0 || $val==1 || ($val==true && strcasecmp($val,'false')))\r
2865                                 {\r
2866                                         $val=true;\r
2867                                 }\r
2868                                 else\r
2869                                 {\r
2870                                         $val=false;\r
2871                                 }\r
2872                         }\r
2873 \r
2874                         switch($this->mytype)\r
2875                         {\r
2876                                 case 1:\r
2877                                         error_log('XML-RPC: '.__METHOD__.': scalar xmlrpcval can have only one value');\r
2878                                         return 0;\r
2879                                 case 3:\r
2880                                         error_log('XML-RPC: '.__METHOD__.': cannot add anonymous scalar to struct xmlrpcval');\r
2881                                         return 0;\r
2882                                 case 2:\r
2883                                         // we're adding a scalar value to an array here\r
2884                                         //$ar=$this->me['array'];\r
2885                                         //$ar[]=new xmlrpcval($val, $type);\r
2886                                         //$this->me['array']=$ar;\r
2887                                         // Faster (?) avoid all the costly array-copy-by-val done here...\r
2888                                         $this->me['array'][]=new xmlrpcval($val, $type);\r
2889                                         return 1;\r
2890                                 default:\r
2891                                         // a scalar, so set the value and remember we're scalar\r
2892                                         $this->me[$type]=$val;\r
2893                                         $this->mytype=$typeof;\r
2894                                         return 1;\r
2895                         }\r
2896                 }\r
2897 \r
2898                 /**\r
2899                 * Add an array of xmlrpcval objects to an xmlrpcval\r
2900                 * @param array $vals\r
2901                 * @return int 1 or 0 on failure\r
2902                 * @access public\r
2903                 *\r
2904                 * @todo add some checking for $vals to be an array of xmlrpcvals?\r
2905                 */\r
2906                 function addArray($vals)\r
2907                 {\r
2908                         if($this->mytype==0)\r
2909                         {\r
2910                                 $this->mytype=$GLOBALS['xmlrpcTypes']['array'];\r
2911                                 $this->me['array']=$vals;\r
2912                                 return 1;\r
2913                         }\r
2914                         elseif($this->mytype==2)\r
2915                         {\r
2916                                 // we're adding to an array here\r
2917                                 $this->me['array'] = array_merge($this->me['array'], $vals);\r
2918                                 return 1;\r
2919                         }\r
2920                         else\r
2921                         {\r
2922                                 error_log('XML-RPC: '.__METHOD__.': already initialized as a [' . $this->kindOf() . ']');\r
2923                                 return 0;\r
2924                         }\r
2925                 }\r
2926 \r
2927                 /**\r
2928                 * Add an array of named xmlrpcval objects to an xmlrpcval\r
2929                 * @param array $vals\r
2930                 * @return int 1 or 0 on failure\r
2931                 * @access public\r
2932                 *\r
2933                 * @todo add some checking for $vals to be an array?\r
2934                 */\r
2935                 function addStruct($vals)\r
2936                 {\r
2937                         if($this->mytype==0)\r
2938                         {\r
2939                                 $this->mytype=$GLOBALS['xmlrpcTypes']['struct'];\r
2940                                 $this->me['struct']=$vals;\r
2941                                 return 1;\r
2942                         }\r
2943                         elseif($this->mytype==3)\r
2944                         {\r
2945                                 // we're adding to a struct here\r
2946                                 $this->me['struct'] = array_merge($this->me['struct'], $vals);\r
2947                                 return 1;\r
2948                         }\r
2949                         else\r
2950                         {\r
2951                                 error_log('XML-RPC: '.__METHOD__.': already initialized as a [' . $this->kindOf() . ']');\r
2952                                 return 0;\r
2953                         }\r
2954                 }\r
2955 \r
2956                 // poor man's version of print_r ???\r
2957                 // DEPRECATED!\r
2958                 function dump($ar)\r
2959                 {\r
2960                         foreach($ar as $key => $val)\r
2961                         {\r
2962                                 echo "$key => $val<br />";\r
2963                                 if($key == 'array')\r
2964                                 {\r
2965                                         while(list($key2, $val2) = each($val))\r
2966                                         {\r
2967                                                 echo "-- $key2 => $val2<br />";\r
2968                                         }\r
2969                                 }\r
2970                         }\r
2971                 }\r
2972 \r
2973                 /**\r
2974                 * Returns a string containing "struct", "array" or "scalar" describing the base type of the value\r
2975                 * @return string\r
2976                 * @access public\r
2977                 */\r
2978                 function kindOf()\r
2979                 {\r
2980                         switch($this->mytype)\r
2981                         {\r
2982                                 case 3:\r
2983                                         return 'struct';\r
2984                                         break;\r
2985                                 case 2:\r
2986                                         return 'array';\r
2987                                         break;\r
2988                                 case 1:\r
2989                                         return 'scalar';\r
2990                                         break;\r
2991                                 default:\r
2992                                         return 'undef';\r
2993                         }\r
2994                 }\r
2995 \r
2996                 /**\r
2997                 * @access private\r
2998                 */\r
2999                 function serializedata($typ, $val, $charset_encoding='')\r
3000                 {\r
3001                         $rs='';\r
3002                         switch(@$GLOBALS['xmlrpcTypes'][$typ])\r
3003                         {\r
3004                                 case 1:\r
3005                                         switch($typ)\r
3006                                         {\r
3007                                                 case $GLOBALS['xmlrpcBase64']:\r
3008                                                         $rs.="<${typ}>" . base64_encode($val) . "</${typ}>";\r
3009                                                         break;\r
3010                                                 case $GLOBALS['xmlrpcBoolean']:\r
3011                                                         $rs.="<${typ}>" . ($val ? '1' : '0') . "</${typ}>";\r
3012                                                         break;\r
3013                                                 case $GLOBALS['xmlrpcString']:\r
3014                                                         // G. Giunta 2005/2/13: do NOT use htmlentities, since\r
3015                                                         // it will produce named html entities, which are invalid xml\r
3016                                                         $rs.="<${typ}>" . xmlrpc_encode_entitites($val, $GLOBALS['xmlrpc_internalencoding'], $charset_encoding). "</${typ}>";\r
3017                                                         break;\r
3018                                                 case $GLOBALS['xmlrpcInt']:\r
3019                                                 case $GLOBALS['xmlrpcI4']:\r
3020                                                         $rs.="<${typ}>".(int)$val."</${typ}>";\r
3021                                                         break;\r
3022                                                 case $GLOBALS['xmlrpcDouble']:\r
3023                                                         // avoid using standard conversion of float to string because it is locale-dependent,\r
3024                                                         // and also because the xmlrpc spec forbids exponential notation.\r
3025                                                         // sprintf('%F') could be most likely ok but it fails eg. on 2e-14.\r
3026                                                         // The code below tries its best at keeping max precision while avoiding exp notation,\r
3027                                                         // but there is of course no limit in the number of decimal places to be used...\r
3028                                                         $rs.="<${typ}>".preg_replace('/\\.?0+$/','',number_format((double)$val, 128, '.', ''))."</${typ}>";\r
3029                                                         break;\r
3030                                                 case $GLOBALS['xmlrpcDateTime']:\r
3031                                                         if (is_string($val))\r
3032                                                         {\r
3033                                                                 $rs.="<${typ}>${val}</${typ}>";\r
3034                                                         }\r
3035                                                         else if(is_a($val, 'DateTime'))\r
3036                                                         {\r
3037                                                                 $rs.="<${typ}>".$val->format('Ymd\TH:i:s')."</${typ}>";\r
3038                                                         }\r
3039                                                         else if(is_int($val))\r
3040                                                         {\r
3041                                                                 $rs.="<${typ}>".strftime("%Y%m%dT%H:%M:%S", $val)."</${typ}>";\r
3042                                                         }\r
3043                                                         else\r
3044                                                         {\r
3045                                                                 // not really a good idea here: but what shall we output anyway? left for backward compat...\r
3046                                                                 $rs.="<${typ}>${val}</${typ}>";\r
3047                                                         }\r
3048                                                         break;\r
3049                                                 case $GLOBALS['xmlrpcNull']:\r
3050                                                         if ($GLOBALS['xmlrpc_null_apache_encoding'])\r
3051                                                         {\r
3052                                                                 $rs.="<ex:nil/>";\r
3053                                                         }\r
3054                                                         else\r
3055                                                         {\r
3056                                                                 $rs.="<nil/>";\r
3057                                                         }\r
3058                                                         break;\r
3059                                                 default:\r
3060                                                         // no standard type value should arrive here, but provide a possibility\r
3061                                                         // for xmlrpcvals of unknown type...\r
3062                                                         $rs.="<${typ}>${val}</${typ}>";\r
3063                                         }\r
3064                                         break;\r
3065                                 case 3:\r
3066                                         // struct\r
3067                                         if ($this->_php_class)\r
3068                                         {\r
3069                                                 $rs.='<struct php_class="' . $this->_php_class . "\">\n";\r
3070                                         }\r
3071                                         else\r
3072                                         {\r
3073                                                 $rs.="<struct>\n";\r
3074                                         }\r
3075                                         foreach($val as $key2 => $val2)\r
3076                                         {\r
3077                                                 $rs.='<member><name>'.xmlrpc_encode_entitites($key2, $GLOBALS['xmlrpc_internalencoding'], $charset_encoding)."</name>\n";\r
3078                                                 //$rs.=$this->serializeval($val2);\r
3079                                                 $rs.=$val2->serialize($charset_encoding);\r
3080                                                 $rs.="</member>\n";\r
3081                                         }\r
3082                                         $rs.='</struct>';\r
3083                                         break;\r
3084                                 case 2:\r
3085                                         // array\r
3086                                         $rs.="<array>\n<data>\n";\r
3087                                         for($i=0; $i<count($val); $i++)\r
3088                                         {\r
3089                                                 //$rs.=$this->serializeval($val[$i]);\r
3090                                                 $rs.=$val[$i]->serialize($charset_encoding);\r
3091                                         }\r
3092                                         $rs.="</data>\n</array>";\r
3093                                         break;\r
3094                                 default:\r
3095                                         break;\r
3096                         }\r
3097                         return $rs;\r
3098                 }\r
3099 \r
3100                 /**\r
3101                 * Returns xml representation of the value. XML prologue not included\r
3102                 * @param string $charset_encoding the charset to be used for serialization. if null, US-ASCII is assumed\r
3103                 * @return string\r
3104                 * @access public\r
3105                 */\r
3106                 function serialize($charset_encoding='')\r
3107                 {\r
3108                         // add check? slower, but helps to avoid recursion in serializing broken xmlrpcvals...\r
3109                         //if (is_object($o) && (get_class($o) == 'xmlrpcval' || is_subclass_of($o, 'xmlrpcval')))\r
3110                         //{\r
3111                                 reset($this->me);\r
3112                                 list($typ, $val) = each($this->me);\r
3113                                 return '<value>' . $this->serializedata($typ, $val, $charset_encoding) . "</value>\n";\r
3114                         //}\r
3115                 }\r
3116 \r
3117                 // DEPRECATED\r
3118                 function serializeval($o)\r
3119                 {\r
3120                         // add check? slower, but helps to avoid recursion in serializing broken xmlrpcvals...\r
3121                         //if (is_object($o) && (get_class($o) == 'xmlrpcval' || is_subclass_of($o, 'xmlrpcval')))\r
3122                         //{\r
3123                                 $ar=$o->me;\r
3124                                 reset($ar);\r
3125                                 list($typ, $val) = each($ar);\r
3126                                 return '<value>' . $this->serializedata($typ, $val) . "</value>\n";\r
3127                         //}\r
3128                 }\r
3129 \r
3130                 /**\r
3131                 * Checks whether a struct member with a given name is present.\r
3132                 * Works only on xmlrpcvals of type struct.\r
3133                 * @param string $m the name of the struct member to be looked up\r
3134                 * @return boolean\r
3135                 * @access public\r
3136                 */\r
3137                 function structmemexists($m)\r
3138                 {\r
3139                         return array_key_exists($m, $this->me['struct']);\r
3140                 }\r
3141 \r
3142                 /**\r
3143                 * Returns the value of a given struct member (an xmlrpcval object in itself).\r
3144                 * Will raise a php warning if struct member of given name does not exist\r
3145                 * @param string $m the name of the struct member to be looked up\r
3146                 * @return xmlrpcval\r
3147                 * @access public\r
3148                 */\r
3149                 function structmem($m)\r
3150                 {\r
3151                         return $this->me['struct'][$m];\r
3152                 }\r
3153 \r
3154                 /**\r
3155                 * Reset internal pointer for xmlrpcvals of type struct.\r
3156                 * @access public\r
3157                 */\r
3158                 function structreset()\r
3159                 {\r
3160                         reset($this->me['struct']);\r
3161                 }\r
3162 \r
3163                 /**\r
3164                 * Return next member element for xmlrpcvals of type struct.\r
3165                 * @return xmlrpcval\r
3166                 * @access public\r
3167                 */\r
3168                 function structeach()\r
3169                 {\r
3170                         return each($this->me['struct']);\r
3171                 }\r
3172 \r
3173                 // DEPRECATED! this code looks like it is very fragile and has not been fixed\r
3174                 // for a long long time. Shall we remove it for 2.0?\r
3175                 function getval()\r
3176                 {\r
3177                         // UNSTABLE\r
3178                         reset($this->me);\r
3179                         list($a,$b)=each($this->me);\r
3180                         // contributed by I Sofer, 2001-03-24\r
3181                         // add support for nested arrays to scalarval\r
3182                         // i've created a new method here, so as to\r
3183                         // preserve back compatibility\r
3184 \r
3185                         if(is_array($b))\r
3186                         {\r
3187                                 @reset($b);\r
3188                                 while(list($id,$cont) = @each($b))\r
3189                                 {\r
3190                                         $b[$id] = $cont->scalarval();\r
3191                                 }\r
3192                         }\r
3193 \r
3194                         // add support for structures directly encoding php objects\r
3195                         if(is_object($b))\r
3196                         {\r
3197                                 $t = get_object_vars($b);\r
3198                                 @reset($t);\r
3199                                 while(list($id,$cont) = @each($t))\r
3200                                 {\r
3201                                         $t[$id] = $cont->scalarval();\r
3202                                 }\r
3203                                 @reset($t);\r
3204                                 while(list($id,$cont) = @each($t))\r
3205                                 {\r
3206                                         @$b->$id = $cont;\r
3207                                 }\r
3208                         }\r
3209                         // end contrib\r
3210                         return $b;\r
3211                 }\r
3212 \r
3213                 /**\r
3214                 * Returns the value of a scalar xmlrpcval\r
3215                 * @return mixed\r
3216                 * @access public\r
3217                 */\r
3218                 function scalarval()\r
3219                 {\r
3220                         reset($this->me);\r
3221                         list(,$b)=each($this->me);\r
3222                         return $b;\r
3223                 }\r
3224 \r
3225                 /**\r
3226                 * Returns the type of the xmlrpcval.\r
3227                 * For integers, 'int' is always returned in place of 'i4'\r
3228                 * @return string\r
3229                 * @access public\r
3230                 */\r
3231                 function scalartyp()\r
3232                 {\r
3233                         reset($this->me);\r
3234                         list($a,)=each($this->me);\r
3235                         if($a==$GLOBALS['xmlrpcI4'])\r
3236                         {\r
3237                                 $a=$GLOBALS['xmlrpcInt'];\r
3238                         }\r
3239                         return $a;\r
3240                 }\r
3241 \r
3242                 /**\r
3243                 * Returns the m-th member of an xmlrpcval of struct type\r
3244                 * @param integer $m the index of the value to be retrieved (zero based)\r
3245                 * @return xmlrpcval\r
3246                 * @access public\r
3247                 */\r
3248                 function arraymem($m)\r
3249                 {\r
3250                         return $this->me['array'][$m];\r
3251                 }\r
3252 \r
3253                 /**\r
3254                 * Returns the number of members in an xmlrpcval of array type\r
3255                 * @return integer\r
3256                 * @access public\r
3257                 */\r
3258                 function arraysize()\r
3259                 {\r
3260                         return count($this->me['array']);\r
3261                 }\r
3262 \r
3263                 /**\r
3264                 * Returns the number of members in an xmlrpcval of struct type\r
3265                 * @return integer\r
3266                 * @access public\r
3267                 */\r
3268                 function structsize()\r
3269                 {\r
3270                         return count($this->me['struct']);\r
3271                 }\r
3272         }\r
3273 \r
3274 \r
3275         // date helpers\r
3276 \r
3277         /**\r
3278         * Given a timestamp, return the corresponding ISO8601 encoded string.\r
3279         *\r
3280         * Really, timezones ought to be supported\r
3281         * but the XML-RPC spec says:\r
3282         *\r
3283         * "Don't assume a timezone. It should be specified by the server in its\r
3284         * documentation what assumptions it makes about timezones."\r
3285         *\r
3286         * These routines always assume localtime unless\r
3287         * $utc is set to 1, in which case UTC is assumed\r
3288         * and an adjustment for locale is made when encoding\r
3289         *\r
3290         * @param int $timet (timestamp)\r
3291         * @param int $utc (0 or 1)\r
3292         * @return string\r
3293         */\r
3294         function iso8601_encode($timet, $utc=0)\r
3295         {\r
3296                 if(!$utc)\r
3297                 {\r
3298                         $t=strftime("%Y%m%dT%H:%M:%S", $timet);\r
3299                 }\r
3300                 else\r
3301                 {\r
3302                         if(function_exists('gmstrftime'))\r
3303                         {\r
3304                                 // gmstrftime doesn't exist in some versions\r
3305                                 // of PHP\r
3306                                 $t=gmstrftime("%Y%m%dT%H:%M:%S", $timet);\r
3307                         }\r
3308                         else\r
3309                         {\r
3310                                 $t=strftime("%Y%m%dT%H:%M:%S", $timet-date('Z'));\r
3311                         }\r
3312                 }\r
3313                 return $t;\r
3314         }\r
3315 \r
3316         /**\r
3317         * Given an ISO8601 date string, return a timet in the localtime, or UTC\r
3318         * @param string $idate\r
3319         * @param int $utc either 0 or 1\r
3320         * @return int (datetime)\r
3321         */\r
3322         function iso8601_decode($idate, $utc=0)\r
3323         {\r
3324                 $t=0;\r
3325                 if(preg_match('/([0-9]{4})([0-9]{2})([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})/', $idate, $regs))\r
3326                 {\r
3327                         if($utc)\r
3328                         {\r
3329                                 $t=gmmktime($regs[4], $regs[5], $regs[6], $regs[2], $regs[3], $regs[1]);\r
3330                         }\r
3331                         else\r
3332                         {\r
3333                                 $t=mktime($regs[4], $regs[5], $regs[6], $regs[2], $regs[3], $regs[1]);\r
3334                         }\r
3335                 }\r
3336                 return $t;\r
3337         }\r
3338 \r
3339         /**\r
3340         * Takes an xmlrpc value in PHP xmlrpcval object format and translates it into native PHP types.\r
3341         *\r
3342         * Works with xmlrpc message objects as input, too.\r
3343         *\r
3344         * Given proper options parameter, can rebuild generic php object instances\r
3345         * (provided those have been encoded to xmlrpc format using a corresponding\r
3346         * option in php_xmlrpc_encode())\r
3347         * PLEASE NOTE that rebuilding php objects involves calling their constructor function.\r
3348         * This means that the remote communication end can decide which php code will\r
3349         * get executed on your server, leaving the door possibly open to 'php-injection'\r
3350         * style of attacks (provided you have some classes defined on your server that\r
3351         * might wreak havoc if instances are built outside an appropriate context).\r
3352         * Make sure you trust the remote server/client before eanbling this!\r
3353         *\r
3354         * @author Dan Libby (dan@libby.com)\r
3355         *\r
3356         * @param xmlrpcval $xmlrpc_val\r
3357         * @param array $options if 'decode_php_objs' is set in the options array, xmlrpc structs can be decoded into php objects; if 'dates_as_objects' is set xmlrpc datetimes are decoded as php DateTime objects (standard is\r
3358         * @return mixed\r
3359         */\r
3360         function php_xmlrpc_decode($xmlrpc_val, $options=array())\r
3361         {\r
3362                 switch($xmlrpc_val->kindOf())\r
3363                 {\r
3364                         case 'scalar':\r
3365                                 if (in_array('extension_api', $options))\r
3366                                 {\r
3367                                         reset($xmlrpc_val->me);\r
3368                                         list($typ,$val) = each($xmlrpc_val->me);\r
3369                                         switch ($typ)\r
3370                                         {\r
3371                                                 case 'dateTime.iso8601':\r
3372                                                         $xmlrpc_val->scalar = $val;\r
3373                                                         $xmlrpc_val->xmlrpc_type = 'datetime';\r
3374                                                         $xmlrpc_val->timestamp = iso8601_decode($val);\r
3375                                                         return $xmlrpc_val;\r
3376                                                 case 'base64':\r
3377                                                         $xmlrpc_val->scalar = $val;\r
3378                                                         $xmlrpc_val->type = $typ;\r
3379                                                         return $xmlrpc_val;\r
3380                                                 default:\r
3381                                                         return $xmlrpc_val->scalarval();\r
3382                                         }\r
3383                                 }\r
3384                                 if (in_array('dates_as_objects', $options) && $xmlrpc_val->scalartyp() == 'dateTime.iso8601')\r
3385                                 {\r
3386                                         // we return a Datetime object instead of a string\r
3387                                         // since now the constructor of xmlrpcval accepts safely strings, ints and datetimes,\r
3388                                         // we cater to all 3 cases here\r
3389                                         $out = $xmlrpc_val->scalarval();\r
3390                                         if (is_string($out))\r
3391                                         {\r
3392                                                 $out = strtotime($out);\r
3393                                         }\r
3394                                         if (is_int($out))\r
3395                                         {\r
3396                                                 $result = new Datetime();\r
3397                                                 $result->setTimestamp($out);\r
3398                                                 return $result;\r
3399                                         }\r
3400                                         elseif (is_a($out, 'Datetime'))\r
3401                                         {\r
3402                                                 return $out;\r
3403                                         }\r
3404                                 }\r
3405                                 return $xmlrpc_val->scalarval();\r
3406                         case 'array':\r
3407                                 $size = $xmlrpc_val->arraysize();\r
3408                                 $arr = array();\r
3409                                 for($i = 0; $i < $size; $i++)\r
3410                                 {\r
3411                                         $arr[] = php_xmlrpc_decode($xmlrpc_val->arraymem($i), $options);\r
3412                                 }\r
3413                                 return $arr;\r
3414                         case 'struct':\r
3415                                 $xmlrpc_val->structreset();\r
3416                                 // If user said so, try to rebuild php objects for specific struct vals.\r
3417                                 /// @todo should we raise a warning for class not found?\r
3418                                 // shall we check for proper subclass of xmlrpcval instead of\r
3419                                 // presence of _php_class to detect what we can do?\r
3420                                 if (in_array('decode_php_objs', $options) && $xmlrpc_val->_php_class != ''\r
3421                                         && class_exists($xmlrpc_val->_php_class))\r
3422                                 {\r
3423                                         $obj = @new $xmlrpc_val->_php_class;\r
3424                                         while(list($key,$value)=$xmlrpc_val->structeach())\r
3425                                         {\r
3426                                                 $obj->$key = php_xmlrpc_decode($value, $options);\r
3427                                         }\r
3428                                         return $obj;\r
3429                                 }\r
3430                                 else\r
3431                                 {\r
3432                                         $arr = array();\r
3433                                         while(list($key,$value)=$xmlrpc_val->structeach())\r
3434                                         {\r
3435                                                 $arr[$key] = php_xmlrpc_decode($value, $options);\r
3436                                         }\r
3437                                         return $arr;\r
3438                                 }\r
3439                         case 'msg':\r
3440                                 $paramcount = $xmlrpc_val->getNumParams();\r
3441                                 $arr = array();\r
3442                                 for($i = 0; $i < $paramcount; $i++)\r
3443                                 {\r
3444                                         $arr[] = php_xmlrpc_decode($xmlrpc_val->getParam($i));\r
3445                                 }\r
3446                                 return $arr;\r
3447                         }\r
3448         }\r
3449 \r
3450         // This constant left here only for historical reasons...\r
3451         // it was used to decide if we have to define xmlrpc_encode on our own, but\r
3452         // we do not do it anymore\r
3453         if(function_exists('xmlrpc_decode'))\r
3454         {\r
3455                 define('XMLRPC_EPI_ENABLED','1');\r
3456         }\r
3457         else\r
3458         {\r
3459                 define('XMLRPC_EPI_ENABLED','0');\r
3460         }\r
3461 \r
3462         /**\r
3463         * Takes native php types and encodes them into xmlrpc PHP object format.\r
3464         * It will not re-encode xmlrpcval objects.\r
3465         *\r
3466         * Feature creep -- could support more types via optional type argument\r
3467         * (string => datetime support has been added, ??? => base64 not yet)\r
3468         *\r
3469         * If given a proper options parameter, php object instances will be encoded\r
3470         * into 'special' xmlrpc values, that can later be decoded into php objects\r
3471         * by calling php_xmlrpc_decode() with a corresponding option\r
3472         *\r
3473         * @author Dan Libby (dan@libby.com)\r
3474         *\r
3475         * @param mixed $php_val the value to be converted into an xmlrpcval object\r
3476         * @param array $options can include 'encode_php_objs', 'auto_dates', 'null_extension' or 'extension_api'\r
3477         * @return xmlrpcval\r
3478         */\r
3479         function php_xmlrpc_encode($php_val, $options=array())\r
3480         {\r
3481                 $type = gettype($php_val);\r
3482                 switch($type)\r
3483                 {\r
3484                         case 'string':\r
3485                                 if (in_array('auto_dates', $options) && preg_match('/^[0-9]{8}T[0-9]{2}:[0-9]{2}:[0-9]{2}$/', $php_val))\r
3486                                         $xmlrpc_val = new xmlrpcval($php_val, $GLOBALS['xmlrpcDateTime']);\r
3487                                 else\r
3488                                         $xmlrpc_val = new xmlrpcval($php_val, $GLOBALS['xmlrpcString']);\r
3489                                 break;\r
3490                         case 'integer':\r
3491                                 $xmlrpc_val = new xmlrpcval($php_val, $GLOBALS['xmlrpcInt']);\r
3492                                 break;\r
3493                         case 'double':\r
3494                                 $xmlrpc_val = new xmlrpcval($php_val, $GLOBALS['xmlrpcDouble']);\r
3495                                 break;\r
3496                                 // <G_Giunta_2001-02-29>\r
3497                                 // Add support for encoding/decoding of booleans, since they are supported in PHP\r
3498                         case 'boolean':\r
3499                                 $xmlrpc_val = new xmlrpcval($php_val, $GLOBALS['xmlrpcBoolean']);\r
3500                                 break;\r
3501                                 // </G_Giunta_2001-02-29>\r
3502                         case 'array':\r
3503                                 // PHP arrays can be encoded to either xmlrpc structs or arrays,\r
3504                                 // depending on wheter they are hashes or plain 0..n integer indexed\r
3505                                 // A shorter one-liner would be\r
3506                                 // $tmp = array_diff(array_keys($php_val), range(0, count($php_val)-1));\r
3507                                 // but execution time skyrockets!\r
3508                                 $j = 0;\r
3509                                 $arr = array();\r
3510                                 $ko = false;\r
3511                                 foreach($php_val as $key => $val)\r
3512                                 {\r
3513                                         $arr[$key] = php_xmlrpc_encode($val, $options);\r
3514                                         if(!$ko && $key !== $j)\r
3515                                         {\r
3516                                                 $ko = true;\r
3517                                         }\r
3518                                         $j++;\r
3519                                 }\r
3520                                 if($ko)\r
3521                                 {\r
3522                                         $xmlrpc_val = new xmlrpcval($arr, $GLOBALS['xmlrpcStruct']);\r
3523                                 }\r
3524                                 else\r
3525                                 {\r
3526                                         $xmlrpc_val = new xmlrpcval($arr, $GLOBALS['xmlrpcArray']);\r
3527                                 }\r
3528                                 break;\r
3529                         case 'object':\r
3530                                 if(is_a($php_val, 'xmlrpcval'))\r
3531                                 {\r
3532                                         $xmlrpc_val = $php_val;\r
3533                                 }\r
3534                                 else if(is_a($php_val, 'DateTime'))\r
3535                                 {\r
3536                                         $xmlrpc_val = new xmlrpcval($php_val->format('Ymd\TH:i:s'), $GLOBALS['xmlrpcStruct']);\r
3537                                 }\r
3538                                 else\r
3539                                 {\r
3540                                         $arr = array();\r
3541                                         reset($php_val);\r
3542                                         while(list($k,$v) = each($php_val))\r
3543                                         {\r
3544                                                 $arr[$k] = php_xmlrpc_encode($v, $options);\r
3545                                         }\r
3546                                         $xmlrpc_val = new xmlrpcval($arr, $GLOBALS['xmlrpcStruct']);\r
3547                                         if (in_array('encode_php_objs', $options))\r
3548                                         {\r
3549                                                 // let's save original class name into xmlrpcval:\r
3550                                                 // might be useful later on...\r
3551                                                 $xmlrpc_val->_php_class = get_class($php_val);\r
3552                                         }\r
3553                                 }\r
3554                                 break;\r
3555                         case 'NULL':\r
3556                                 if (in_array('extension_api', $options))\r
3557                                 {\r
3558                                         $xmlrpc_val = new xmlrpcval('', $GLOBALS['xmlrpcString']);\r
3559                                 }\r
3560                                 else if (in_array('null_extension', $options))\r
3561                                 {\r
3562                                         $xmlrpc_val = new xmlrpcval('', $GLOBALS['xmlrpcNull']);\r
3563                                 }\r
3564                                 else\r
3565                                 {\r
3566                                         $xmlrpc_val = new xmlrpcval();\r
3567                                 }\r
3568                                 break;\r
3569                         case 'resource':\r
3570                                 if (in_array('extension_api', $options))\r
3571                                 {\r
3572                                         $xmlrpc_val = new xmlrpcval((int)$php_val, $GLOBALS['xmlrpcInt']);\r
3573                                 }\r
3574                                 else\r
3575                                 {\r
3576                                         $xmlrpc_val = new xmlrpcval();\r
3577                                 }\r
3578                         // catch "user function", "unknown type"\r
3579                         default:\r
3580                                 // giancarlo pinerolo <ping@alt.it>\r
3581                                 // it has to return\r
3582                                 // an empty object in case, not a boolean.\r
3583                                 $xmlrpc_val = new xmlrpcval();\r
3584                                 break;\r
3585                         }\r
3586                         return $xmlrpc_val;\r
3587         }\r
3588 \r
3589         /**\r
3590         * Convert the xml representation of a method response, method request or single\r
3591         * xmlrpc value into the appropriate object (a.k.a. deserialize)\r
3592         * @param string $xml_val\r
3593         * @param array $options\r
3594         * @return mixed false on error, or an instance of either xmlrpcval, xmlrpcmsg or xmlrpcresp\r
3595         */\r
3596         function php_xmlrpc_decode_xml($xml_val, $options=array())\r
3597         {\r
3598                 $GLOBALS['_xh'] = array();\r
3599                 $GLOBALS['_xh']['ac'] = '';\r
3600                 $GLOBALS['_xh']['stack'] = array();\r
3601                 $GLOBALS['_xh']['valuestack'] = array();\r
3602                 $GLOBALS['_xh']['params'] = array();\r
3603                 $GLOBALS['_xh']['pt'] = array();\r
3604                 $GLOBALS['_xh']['isf'] = 0;\r
3605                 $GLOBALS['_xh']['isf_reason'] = '';\r
3606                 $GLOBALS['_xh']['method'] = false;\r
3607                 $GLOBALS['_xh']['rt'] = '';\r
3608 \r
3609                 // 'guestimate' encoding\r
3610                 $val_encoding = guess_encoding('', $xml_val);\r
3611 \r
3612                 // Since parsing will fail if charset is not specified in the xml prologue,\r
3613                 // the encoding is not UTF8 and there are non-ascii chars in the text, we try to work round that...\r
3614                 // The following code might be better for mb_string enabled installs, but\r
3615                 // makes the lib about 200% slower...\r
3616                 //if (!is_valid_charset($val_encoding, array('UTF-8')))\r
3617                 if (!in_array($val_encoding, array('UTF-8', 'US-ASCII')) && !has_encoding($xml_val)) {\r
3618                         if ($val_encoding == 'ISO-8859-1') {\r
3619                                 $xml_val = utf8_encode($xml_val);\r
3620                         } else {\r
3621                                 if (extension_loaded('mbstring')) {\r
3622                                         $xml_val = mb_convert_encoding($xml_val, 'UTF-8', $val_encoding);\r
3623                                 } else {\r
3624                                         error_log('XML-RPC: ' . __METHOD__ . ': invalid charset encoding of received request: ' . $val_encoding);\r
3625                                 }\r
3626                         }\r
3627                 }\r
3628 \r
3629                 $parser = xml_parser_create();\r
3630                 xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, true);\r
3631                 // What if internal encoding is not in one of the 3 allowed?\r
3632                 // we use the broadest one, ie. utf8!\r
3633                 if (!in_array($GLOBALS['xmlrpc_internalencoding'], array('UTF-8', 'ISO-8859-1', 'US-ASCII')))\r
3634                 {\r
3635                         xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, 'UTF-8');\r
3636                 }\r
3637                 else\r
3638                 {\r
3639                         xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, $GLOBALS['xmlrpc_internalencoding']);\r
3640                 }\r
3641                 xml_set_element_handler($parser, 'xmlrpc_se_any', 'xmlrpc_ee');\r
3642                 xml_set_character_data_handler($parser, 'xmlrpc_cd');\r
3643                 xml_set_default_handler($parser, 'xmlrpc_dh');\r
3644                 if(!xml_parse($parser, $xml_val, 1))\r
3645                 {\r
3646                         $errstr = sprintf('XML error: %s at line %d, column %d',\r
3647                                                 xml_error_string(xml_get_error_code($parser)),\r
3648                                                 xml_get_current_line_number($parser), xml_get_current_column_number($parser));\r
3649                         error_log($errstr);\r
3650                         xml_parser_free($parser);\r
3651                         return false;\r
3652                 }\r
3653                 xml_parser_free($parser);\r
3654                 if ($GLOBALS['_xh']['isf'] > 1) // test that $GLOBALS['_xh']['value'] is an obj, too???\r
3655                 {\r
3656                         error_log($GLOBALS['_xh']['isf_reason']);\r
3657                         return false;\r
3658                 }\r
3659                 switch ($GLOBALS['_xh']['rt'])\r
3660                 {\r
3661                         case 'methodresponse':\r
3662                                 $v =& $GLOBALS['_xh']['value'];\r
3663                                 if ($GLOBALS['_xh']['isf'] == 1)\r
3664                                 {\r
3665                                         $vc = $v->structmem('faultCode');\r
3666                                         $vs = $v->structmem('faultString');\r
3667                                         $r = new xmlrpcresp(0, $vc->scalarval(), $vs->scalarval());\r
3668                                 }\r
3669                                 else\r
3670                                 {\r
3671                                         $r = new xmlrpcresp($v);\r
3672                                 }\r
3673                                 return $r;\r
3674                         case 'methodcall':\r
3675                                 $m = new xmlrpcmsg($GLOBALS['_xh']['method']);\r
3676                                 for($i=0; $i < count($GLOBALS['_xh']['params']); $i++)\r
3677                                 {\r
3678                                         $m->addParam($GLOBALS['_xh']['params'][$i]);\r
3679                                 }\r
3680                                 return $m;\r
3681                         case 'value':\r
3682                                 return $GLOBALS['_xh']['value'];\r
3683                         default:\r
3684                                 return false;\r
3685                 }\r
3686         }\r
3687 \r
3688         /**\r
3689         * decode a string that is encoded w/ "chunked" transfer encoding\r
3690         * as defined in rfc2068 par. 19.4.6\r
3691         * code shamelessly stolen from nusoap library by Dietrich Ayala\r
3692         *\r
3693         * @param string $buffer the string to be decoded\r
3694         * @return string\r
3695         */\r
3696         function decode_chunked($buffer)\r
3697         {\r
3698                 // length := 0\r
3699                 $length = 0;\r
3700                 $new = '';\r
3701 \r
3702                 // read chunk-size, chunk-extension (if any) and crlf\r
3703                 // get the position of the linebreak\r
3704                 $chunkend = strpos($buffer,"\r\n") + 2;\r
3705                 $temp = substr($buffer,0,$chunkend);\r
3706                 $chunk_size = hexdec( trim($temp) );\r
3707                 $chunkstart = $chunkend;\r
3708                 while($chunk_size > 0)\r
3709                 {\r
3710                         $chunkend = strpos($buffer, "\r\n", $chunkstart + $chunk_size);\r
3711 \r
3712                         // just in case we got a broken connection\r
3713                         if($chunkend == false)\r
3714                         {\r
3715                                 $chunk = substr($buffer,$chunkstart);\r
3716                                 // append chunk-data to entity-body\r
3717                                 $new .= $chunk;\r
3718                                 $length += strlen($chunk);\r
3719                                 break;\r
3720                         }\r
3721 \r
3722                         // read chunk-data and crlf\r
3723                         $chunk = substr($buffer,$chunkstart,$chunkend-$chunkstart);\r
3724                         // append chunk-data to entity-body\r
3725                         $new .= $chunk;\r
3726                         // length := length + chunk-size\r
3727                         $length += strlen($chunk);\r
3728                         // read chunk-size and crlf\r
3729                         $chunkstart = $chunkend + 2;\r
3730 \r
3731                         $chunkend = strpos($buffer,"\r\n",$chunkstart)+2;\r
3732                         if($chunkend == false)\r
3733                         {\r
3734                                 break; //just in case we got a broken connection\r
3735                         }\r
3736                         $temp = substr($buffer,$chunkstart,$chunkend-$chunkstart);\r
3737                         $chunk_size = hexdec( trim($temp) );\r
3738                         $chunkstart = $chunkend;\r
3739                 }\r
3740                 return $new;\r
3741         }\r
3742 \r
3743         /**\r
3744         * xml charset encoding guessing helper function.\r
3745         * Tries to determine the charset encoding of an XML chunk received over HTTP.\r
3746         * NB: according to the spec (RFC 3023), if text/xml content-type is received over HTTP without a content-type,\r
3747         * we SHOULD assume it is strictly US-ASCII. But we try to be more tolerant of unconforming (legacy?) clients/servers,\r
3748         * which will be most probably using UTF-8 anyway...\r
3749         *\r
3750         * @param string $httpheader the http Content-type header\r
3751         * @param string $xmlchunk xml content buffer\r
3752         * @param string $encoding_prefs comma separated list of character encodings to be used as default (when mb extension is enabled)\r
3753         * @return string\r
3754         *\r
3755         * @todo explore usage of mb_http_input(): does it detect http headers + post data? if so, use it instead of hand-detection!!!\r
3756         */\r
3757         function guess_encoding($httpheader='', $xmlchunk='', $encoding_prefs=null)\r
3758         {\r
3759                 // discussion: see http://www.yale.edu/pclt/encoding/\r
3760                 // 1 - test if encoding is specified in HTTP HEADERS\r
3761 \r
3762                 //Details:\r
3763                 // LWS:           (\13\10)?( |\t)+\r
3764                 // token:         (any char but excluded stuff)+\r
3765                 // quoted string: " (any char but double quotes and cointrol chars)* "\r
3766                 // header:        Content-type = ...; charset=value(; ...)*\r
3767                 //   where value is of type token, no LWS allowed between 'charset' and value\r
3768                 // Note: we do not check for invalid chars in VALUE:\r
3769                 //   this had better be done using pure ereg as below\r
3770                 // Note 2: we might be removing whitespace/tabs that ought to be left in if\r
3771                 //   the received charset is a quoted string. But nobody uses such charset names...\r
3772 \r
3773                 /// @todo this test will pass if ANY header has charset specification, not only Content-Type. Fix it?\r
3774                 $matches = array();\r
3775                 if(preg_match('/;\s*charset\s*=([^;]+)/i', $httpheader, $matches))\r
3776                 {\r
3777                         return strtoupper(trim($matches[1], " \t\""));\r
3778                 }\r
3779 \r
3780                 // 2 - scan the first bytes of the data for a UTF-16 (or other) BOM pattern\r
3781                 //     (source: http://www.w3.org/TR/2000/REC-xml-20001006)\r
3782                 //     NOTE: actually, according to the spec, even if we find the BOM and determine\r
3783                 //     an encoding, we should check if there is an encoding specified\r
3784                 //     in the xml declaration, and verify if they match.\r
3785                 /// @todo implement check as described above?\r
3786                 /// @todo implement check for first bytes of string even without a BOM? (It sure looks harder than for cases WITH a BOM)\r
3787                 if(preg_match('/^(\x00\x00\xFE\xFF|\xFF\xFE\x00\x00|\x00\x00\xFF\xFE|\xFE\xFF\x00\x00)/', $xmlchunk))\r
3788                 {\r
3789                         return 'UCS-4';\r
3790                 }\r
3791                 elseif(preg_match('/^(\xFE\xFF|\xFF\xFE)/', $xmlchunk))\r
3792                 {\r
3793                         return 'UTF-16';\r
3794                 }\r
3795                 elseif(preg_match('/^(\xEF\xBB\xBF)/', $xmlchunk))\r
3796                 {\r
3797                         return 'UTF-8';\r
3798                 }\r
3799 \r
3800                 // 3 - test if encoding is specified in the xml declaration\r
3801                 // Details:\r
3802                 // SPACE:         (#x20 | #x9 | #xD | #xA)+ === [ \x9\xD\xA]+\r
3803                 // EQ:            SPACE?=SPACE? === [ \x9\xD\xA]*=[ \x9\xD\xA]*\r
3804                 if (preg_match('/^<\?xml\s+version\s*=\s*'. "((?:\"[a-zA-Z0-9_.:-]+\")|(?:'[a-zA-Z0-9_.:-]+'))".\r
3805                         '\s+encoding\s*=\s*' . "((?:\"[A-Za-z][A-Za-z0-9._-]*\")|(?:'[A-Za-z][A-Za-z0-9._-]*'))/",\r
3806                         $xmlchunk, $matches))\r
3807                 {\r
3808                         return strtoupper(substr($matches[2], 1, -1));\r
3809                 }\r
3810 \r
3811                 // 4 - if mbstring is available, let it do the guesswork\r
3812                 // NB: we favour finding an encoding that is compatible with what we can process\r
3813                 if(extension_loaded('mbstring'))\r
3814                 {\r
3815                         if($encoding_prefs)\r
3816                         {\r
3817                                 $enc = mb_detect_encoding($xmlchunk, $encoding_prefs);\r
3818                         }\r
3819                         else\r
3820                         {\r
3821                                 $enc = mb_detect_encoding($xmlchunk);\r
3822                         }\r
3823                         // NB: mb_detect likes to call it ascii, xml parser likes to call it US_ASCII...\r
3824                         // IANA also likes better US-ASCII, so go with it\r
3825                         if($enc == 'ASCII')\r
3826                         {\r
3827                                 $enc = 'US-'.$enc;\r
3828                         }\r
3829                         return $enc;\r
3830                 }\r
3831                 else\r
3832                 {\r
3833                         // no encoding specified: as per HTTP1.1 assume it is iso-8859-1?\r
3834                         // Both RFC 2616 (HTTP 1.1) and 1945 (HTTP 1.0) clearly state that for text/xxx content types\r
3835                         // this should be the standard. And we should be getting text/xml as request and response.\r
3836                         // BUT we have to be backward compatible with the lib, which always used UTF-8 as default...\r
3837                         return $GLOBALS['xmlrpc_defencoding'];\r
3838                 }\r
3839         }\r
3840 \r
3841         /**\r
3842          * Helper function: checks if an xml chunk as a charset declaration (BOM or in the xml declaration)\r
3843          *\r
3844          * @param string $xmlChunk\r
3845          * @return bool\r
3846          */\r
3847         function has_encoding($xmlChunk)\r
3848         {\r
3849                 // scan the first bytes of the data for a UTF-16 (or other) BOM pattern\r
3850                 //       (source: http://www.w3.org/TR/2000/REC-xml-20001006)\r
3851                 if (preg_match('/^(\x00\x00\xFE\xFF|\xFF\xFE\x00\x00|\x00\x00\xFF\xFE|\xFE\xFF\x00\x00)/', $xmlChunk))\r
3852                 {\r
3853                         return true;\r
3854                 }\r
3855                 elseif (preg_match('/^(\xFE\xFF|\xFF\xFE)/', $xmlChunk))\r
3856                 {\r
3857                         return true;\r
3858                 }\r
3859                 elseif (preg_match('/^(\xEF\xBB\xBF)/', $xmlChunk))\r
3860                 {\r
3861                         return true;\r
3862                 }\r
3863 \r
3864                 // test if encoding is specified in the xml declaration\r
3865                 // Details:\r
3866                 // SPACE:               (#x20 | #x9 | #xD | #xA)+ === [ \x9\xD\xA]+\r
3867                 // EQ:                  SPACE?=SPACE? === [ \x9\xD\xA]*=[ \x9\xD\xA]*\r
3868                 if (preg_match('/^<\?xml\s+version\s*=\s*' . "((?:\"[a-zA-Z0-9_.:-]+\")|(?:'[a-zA-Z0-9_.:-]+'))" .\r
3869                         '\s+encoding\s*=\s*' . "((?:\"[A-Za-z][A-Za-z0-9._-]*\")|(?:'[A-Za-z][A-Za-z0-9._-]*'))/",\r
3870                         $xmlChunk, $matches))\r
3871                 {\r
3872                         return true;\r
3873                 }\r
3874 \r
3875                 return false;\r
3876         }\r
3877 \r
3878         /**\r
3879         * Checks if a given charset encoding is present in a list of encodings or\r
3880         * if it is a valid subset of any encoding in the list\r
3881         * @param string $encoding charset to be tested\r
3882         * @param mixed $validlist comma separated list of valid charsets (or array of charsets)\r
3883         * @return bool\r
3884         */\r
3885         function is_valid_charset($encoding, $validlist)\r
3886         {\r
3887                 $charset_supersets = array(\r
3888                         'US-ASCII' => array ('ISO-8859-1', 'ISO-8859-2', 'ISO-8859-3', 'ISO-8859-4',\r
3889                                 'ISO-8859-5', 'ISO-8859-6', 'ISO-8859-7', 'ISO-8859-8',\r
3890                                 'ISO-8859-9', 'ISO-8859-10', 'ISO-8859-11', 'ISO-8859-12',\r
3891                                 'ISO-8859-13', 'ISO-8859-14', 'ISO-8859-15', 'UTF-8',\r
3892                                 'EUC-JP', 'EUC-', 'EUC-KR', 'EUC-CN')\r
3893                 );\r
3894                 if (is_string($validlist))\r
3895                         $validlist = explode(',', $validlist);\r
3896                 if (@in_array(strtoupper($encoding), $validlist))\r
3897                         return true;\r
3898                 else\r
3899                 {\r
3900                         if (array_key_exists($encoding, $charset_supersets))\r
3901                                 foreach ($validlist as $allowed)\r
3902                                         if (in_array($allowed, $charset_supersets[$encoding]))\r
3903                                                 return true;\r
3904                         return false;\r
3905                 }\r
3906         }\r
3907 \r
3908 ?>