1<?php
2
3/**
4 * Deprecated. Use WP_HTTP (http.php) instead.
5 */
6_deprecated_file( basename( __FILE__ ), '3.0.0', WPINC . '/http.php' );
7
8if ( ! class_exists( 'Snoopy', false ) ) :
9/*************************************************
10
11Snoopy - the PHP net client
12Author: Monte Ohrt <monte@ispi.net>
13Copyright (c): 1999-2008 New Digital Group, all rights reserved
14Version: 1.2.4
15
16 * This library is free software; you can redistribute it and/or
17 * modify it under the terms of the GNU Lesser General Public
18 * License as published by the Free Software Foundation; either
19 * version 2.1 of the License, or (at your option) any later version.
20 *
21 * This library is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
24 * Lesser General Public License for more details.
25 *
26 * You should have received a copy of the GNU Lesser General Public
27 * License along with this library; if not, write to the Free Software
28 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
29
30You may contact the author of Snoopy by e-mail at:
31monte@ohrt.com
32
33The latest version of Snoopy can be obtained from:
34http://snoopy.sourceforge.net/
35
36*************************************************/
37
38class Snoopy
39{
40 /**** Public variables ****/
41
42 /* user definable vars */
43
44 var $host = "www.php.net"; // host name we are connecting to
45 var $port = 80; // port we are connecting to
46 var $proxy_host = ""; // proxy host to use
47 var $proxy_port = ""; // proxy port to use
48 var $proxy_user = ""; // proxy user to use
49 var $proxy_pass = ""; // proxy password to use
50
51 var $agent = "Snoopy v1.2.4"; // agent we masquerade as
52 var $referer = ""; // referer info to pass
53 var $cookies = array(); // array of cookies to pass
54 // $cookies["username"]="joe";
55 var $rawheaders = array(); // array of raw headers to send
56 // $rawheaders["Content-Type"]="text/html";
57
58 var $maxredirs = 5; // http redirection depth maximum. 0 = disallow
59 var $lastredirectaddr = ""; // contains address of last redirected address
60 var $offsiteok = true; // allows redirection off-site
61 var $maxframes = 0; // frame content depth maximum. 0 = disallow
62 var $expandlinks = true; // expand links to fully qualified URLs.
63 // this only applies to fetchlinks()
64 // submitlinks(), and submittext()
65 var $passcookies = true; // pass set cookies back through redirects
66 // NOTE: this currently does not respect
67 // dates, domains or paths.
68
69 var $user = ""; // user for http authentication
70 var $pass = ""; // password for http authentication
71
72 // http accept types
73 var $accept = "image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, */*";
74
75 var $results = ""; // where the content is put
76
77 var $error = ""; // error messages sent here
78 var $response_code = ""; // response code returned from server
79 var $headers = array(); // headers returned from server sent here
80 var $maxlength = 500000; // max return data length (body)
81 var $read_timeout = 0; // timeout on read operations, in seconds
82 // supported only since PHP 4 Beta 4
83 // set to 0 to disallow timeouts
84 var $timed_out = false; // if a read operation timed out
85 var $status = 0; // http request status
86
87 var $temp_dir = "/tmp"; // temporary directory that the webserver
88 // has permission to write to.
89 // under Windows, this should be C:\temp
90
91 var $curl_path = "/usr/local/bin/curl";
92 // Snoopy will use cURL for fetching
93 // SSL content if a full system path to
94 // the cURL binary is supplied here.
95 // set to false if you do not have
96 // cURL installed. See http://curl.haxx.se
97 // for details on installing cURL.
98 // Snoopy does *not* use the cURL
99 // library functions built into php,
100 // as these functions are not stable
101 // as of this Snoopy release.
102
103 /**** Private variables ****/
104
105 var $_maxlinelen = 4096; // max line length (headers)
106
107 var $_httpmethod = "GET"; // default http request method
108 var $_httpversion = "HTTP/1.0"; // default http request version
109 var $_submit_method = "POST"; // default submit method
110 var $_submit_type = "application/x-www-form-urlencoded"; // default submit type
111 var $_mime_boundary = ""; // MIME boundary for multipart/form-data submit type
112 var $_redirectaddr = false; // will be set if page fetched is a redirect
113 var $_redirectdepth = 0; // increments on an http redirect
114 var $_frameurls = array(); // frame src urls
115 var $_framedepth = 0; // increments on frame depth
116
117 var $_isproxy = false; // set if using a proxy server
118 var $_fp_timeout = 30; // timeout for socket connection
119
120/*======================================================================*\
121 Function: fetch
122 Purpose: fetch the contents of a web page
123 (and possibly other protocols in the
124 future like ftp, nntp, gopher, etc.)
125 Input: $URI the location of the page to fetch
126 Output: $this->results the output text from the fetch
127\*======================================================================*/
128
129 function fetch($URI)
130 {
131
132 //preg_match("|^([^:]+)://([^:/]+)(:[\d]+)*(.*)|",$URI,$URI_PARTS);
133 $URI_PARTS = parse_url($URI);
134 if (!empty($URI_PARTS["user"]))
135 $this->user = $URI_PARTS["user"];
136 if (!empty($URI_PARTS["pass"]))
137 $this->pass = $URI_PARTS["pass"];
138 if (empty($URI_PARTS["query"]))
139 $URI_PARTS["query"] = '';
140 if (empty($URI_PARTS["path"]))
141 $URI_PARTS["path"] = '';
142
143 switch(strtolower($URI_PARTS["scheme"]))
144 {
145 case "http":
146 $this->host = $URI_PARTS["host"];
147 if(!empty($URI_PARTS["port"]))
148 $this->port = $URI_PARTS["port"];
149 if($this->_connect($fp))
150 {
151 if($this->_isproxy)
152 {
153 // using proxy, send entire URI
154 $this->_httprequest($URI,$fp,$URI,$this->_httpmethod);
155 }
156 else
157 {
158 $path = $URI_PARTS["path"].($URI_PARTS["query"] ? "?".$URI_PARTS["query"] : "");
159 // no proxy, send only the path
160 $this->_httprequest($path, $fp, $URI, $this->_httpmethod);
161 }
162
163 $this->_disconnect($fp);
164
165 if($this->_redirectaddr)
166 {
167 /* url was redirected, check if we've hit the max depth */
168 if($this->maxredirs > $this->_redirectdepth)
169 {
170 // only follow redirect if it's on this site, or offsiteok is true
171 if(preg_match("|^http://".preg_quote($this->host)."|i",$this->_redirectaddr) || $this->offsiteok)
172 {
173 /* follow the redirect */
174 $this->_redirectdepth++;
175 $this->lastredirectaddr=$this->_redirectaddr;
176 $this->fetch($this->_redirectaddr);
177 }
178 }
179 }
180
181 if($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0)
182 {
183 $frameurls = $this->_frameurls;
184 $this->_frameurls = array();
185
186 foreach ( $frameurls as $frameurl )
187 {
188 if($this->_framedepth < $this->maxframes)
189 {
190 $this->fetch($frameurl);
191 $this->_framedepth++;
192 }
193 else
194 break;
195 }
196 }
197 }
198 else
199 {
200 return false;
201 }
202 return true;
203 break;
204 case "https":
205 if(!$this->curl_path)
206 return false;
207 if(function_exists("is_executable"))
208 if (!is_executable($this->curl_path))
209 return false;
210 $this->host = $URI_PARTS["host"];
211 if(!empty($URI_PARTS["port"]))
212 $this->port = $URI_PARTS["port"];
213 if($this->_isproxy)
214 {
215 // using proxy, send entire URI
216 $this->_httpsrequest($URI,$URI,$this->_httpmethod);
217 }
218 else
219 {
220 $path = $URI_PARTS["path"].($URI_PARTS["query"] ? "?".$URI_PARTS["query"] : "");
221 // no proxy, send only the path
222 $this->_httpsrequest($path, $URI, $this->_httpmethod);
223 }
224
225 if($this->_redirectaddr)
226 {
227 /* url was redirected, check if we've hit the max depth */
228 if($this->maxredirs > $this->_redirectdepth)
229 {
230 // only follow redirect if it's on this site, or offsiteok is true
231 if(preg_match("|^http://".preg_quote($this->host)."|i",$this->_redirectaddr) || $this->offsiteok)
232 {
233 /* follow the redirect */
234 $this->_redirectdepth++;
235 $this->lastredirectaddr=$this->_redirectaddr;
236 $this->fetch($this->_redirectaddr);
237 }
238 }
239 }
240
241 if($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0)
242 {
243 $frameurls = $this->_frameurls;
244 $this->_frameurls = array();
245
246 foreach ( $frameurls as $frameurl )
247 {
248 if($this->_framedepth < $this->maxframes)
249 {
250 $this->fetch($frameurl);
251 $this->_framedepth++;
252 }
253 else
254 break;
255 }
256 }
257 return true;
258 break;
259 default:
260 // not a valid protocol
261 $this->error = 'Invalid protocol "'.$URI_PARTS["scheme"].'"\n';
262 return false;
263 break;
264 }
265 return true;
266 }
267
268/*======================================================================*\
269 Function: submit
270 Purpose: submit an http form
271 Input: $URI the location to post the data
272 $formvars the formvars to use.
273 format: $formvars["var"] = "val";
274 $formfiles an array of files to submit
275 format: $formfiles["var"] = "/dir/filename.ext";
276 Output: $this->results the text output from the post
277\*======================================================================*/
278
279 function submit($URI, $formvars="", $formfiles="")
280 {
281 unset($postdata);
282
283 $postdata = $this->_prepare_post_body($formvars, $formfiles);
284
285 $URI_PARTS = parse_url($URI);
286 if (!empty($URI_PARTS["user"]))
287 $this->user = $URI_PARTS["user"];
288 if (!empty($URI_PARTS["pass"]))
289 $this->pass = $URI_PARTS["pass"];
290 if (empty($URI_PARTS["query"]))
291 $URI_PARTS["query"] = '';
292 if (empty($URI_PARTS["path"]))
293 $URI_PARTS["path"] = '';
294
295 switch(strtolower($URI_PARTS["scheme"]))
296 {
297 case "http":
298 $this->host = $URI_PARTS["host"];
299 if(!empty($URI_PARTS["port"]))
300 $this->port = $URI_PARTS["port"];
301 if($this->_connect($fp))
302 {
303 if($this->_isproxy)
304 {
305 // using proxy, send entire URI
306 $this->_httprequest($URI,$fp,$URI,$this->_submit_method,$this->_submit_type,$postdata);
307 }
308 else
309 {
310 $path = $URI_PARTS["path"].($URI_PARTS["query"] ? "?".$URI_PARTS["query"] : "");
311 // no proxy, send only the path
312 $this->_httprequest($path, $fp, $URI, $this->_submit_method, $this->_submit_type, $postdata);
313 }
314
315 $this->_disconnect($fp);
316
317 if($this->_redirectaddr)
318 {
319 /* url was redirected, check if we've hit the max depth */
320 if($this->maxredirs > $this->_redirectdepth)
321 {
322 if(!preg_match("|^".$URI_PARTS["scheme"]."://|", $this->_redirectaddr))
323 $this->_redirectaddr = $this->_expandlinks($this->_redirectaddr,$URI_PARTS["scheme"]."://".$URI_PARTS["host"]);
324
325 // only follow redirect if it's on this site, or offsiteok is true
326 if(preg_match("|^http://".preg_quote($this->host)."|i",$this->_redirectaddr) || $this->offsiteok)
327 {
328 /* follow the redirect */
329 $this->_redirectdepth++;
330 $this->lastredirectaddr=$this->_redirectaddr;
331 if( strpos( $this->_redirectaddr, "?" ) > 0 )
332 $this->fetch($this->_redirectaddr); // the redirect has changed the request method from post to get
333 else
334 $this->submit($this->_redirectaddr,$formvars, $formfiles);
335 }
336 }
337 }
338
339 if($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0)
340 {
341 $frameurls = $this->_frameurls;
342 $this->_frameurls = array();
343
344 foreach ( $frameurls as $frameurl )
345 {
346 if($this->_framedepth < $this->maxframes)
347 {
348 $this->fetch($frameurl);
349 $this->_framedepth++;
350 }
351 else
352 break;
353 }
354 }
355
356 }
357 else
358 {
359 return false;
360 }
361 return true;
362 break;
363 case "https":
364 if(!$this->curl_path)
365 return false;
366 if(function_exists("is_executable"))
367 if (!is_executable($this->curl_path))
368 return false;
369 $this->host = $URI_PARTS["host"];
370 if(!empty($URI_PARTS["port"]))
371 $this->port = $URI_PARTS["port"];
372 if($this->_isproxy)
373 {
374 // using proxy, send entire URI
375 $this->_httpsrequest($URI, $URI, $this->_submit_method, $this->_submit_type, $postdata);
376 }
377 else
378 {
379 $path = $URI_PARTS["path"].($URI_PARTS["query"] ? "?".$URI_PARTS["query"] : "");
380 // no proxy, send only the path
381 $this->_httpsrequest($path, $URI, $this->_submit_method, $this->_submit_type, $postdata);
382 }
383
384 if($this->_redirectaddr)
385 {
386 /* url was redirected, check if we've hit the max depth */
387 if($this->maxredirs > $this->_redirectdepth)
388 {
389 if(!preg_match("|^".$URI_PARTS["scheme"]."://|", $this->_redirectaddr))
390 $this->_redirectaddr = $this->_expandlinks($this->_redirectaddr,$URI_PARTS["scheme"]."://".$URI_PARTS["host"]);
391
392 // only follow redirect if it's on this site, or offsiteok is true
393 if(preg_match("|^http://".preg_quote($this->host)."|i",$this->_redirectaddr) || $this->offsiteok)
394 {
395 /* follow the redirect */
396 $this->_redirectdepth++;
397 $this->lastredirectaddr=$this->_redirectaddr;
398 if( strpos( $this->_redirectaddr, "?" ) > 0 )
399 $this->fetch($this->_redirectaddr); // the redirect has changed the request method from post to get
400 else
401 $this->submit($this->_redirectaddr,$formvars, $formfiles);
402 }
403 }
404 }
405
406 if($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0)
407 {
408 $frameurls = $this->_frameurls;
409 $this->_frameurls = array();
410
411 foreach ( $frameurls as $frameurl )
412 {
413 if($this->_framedepth < $this->maxframes)
414 {
415 $this->fetch($frameurl);
416 $this->_framedepth++;
417 }
418 else
419 break;
420 }
421 }
422 return true;
423 break;
424
425 default:
426 // not a valid protocol
427 $this->error = 'Invalid protocol "'.$URI_PARTS["scheme"].'"\n';
428 return false;
429 break;
430 }
431 return true;
432 }
433
434/*======================================================================*\
435 Function: fetchlinks
436 Purpose: fetch the links from a web page
437 Input: $URI where you are fetching from
438 Output: $this->results an array of the URLs
439\*======================================================================*/
440
441 function fetchlinks($URI)
442 {
443 if ($this->fetch($URI))
444 {
445 if($this->lastredirectaddr)
446 $URI = $this->lastredirectaddr;
447 if(is_array($this->results))
448 {
449 for($x=0;$x<count($this->results);$x++)
450 $this->results[$x] = $this->_striplinks($this->results[$x]);
451 }
452 else
453 $this->results = $this->_striplinks($this->results);
454
455 if($this->expandlinks)
456 $this->results = $this->_expandlinks($this->results, $URI);
457 return true;
458 }
459 else
460 return false;
461 }
462
463/*======================================================================*\
464 Function: fetchform
465 Purpose: fetch the form elements from a web page
466 Input: $URI where you are fetching from
467 Output: $this->results the resulting html form
468\*======================================================================*/
469
470 function fetchform($URI)
471 {
472
473 if ($this->fetch($URI))
474 {
475
476 if(is_array($this->results))
477 {
478 for($x=0;$x<count($this->results);$x++)
479 $this->results[$x] = $this->_stripform($this->results[$x]);
480 }
481 else
482 $this->results = $this->_stripform($this->results);
483
484 return true;
485 }
486 else
487 return false;
488 }
489
490
491/*======================================================================*\
492 Function: fetchtext
493 Purpose: fetch the text from a web page, stripping the links
494 Input: $URI where you are fetching from
495 Output: $this->results the text from the web page
496\*======================================================================*/
497
498 function fetchtext($URI)
499 {
500 if($this->fetch($URI))
501 {
502 if(is_array($this->results))
503 {
504 for($x=0;$x<count($this->results);$x++)
505 $this->results[$x] = $this->_striptext($this->results[$x]);
506 }
507 else
508 $this->results = $this->_striptext($this->results);
509 return true;
510 }
511 else
512 return false;
513 }
514
515/*======================================================================*\
516 Function: submitlinks
517 Purpose: grab links from a form submission
518 Input: $URI where you are submitting from
519 Output: $this->results an array of the links from the post
520\*======================================================================*/
521
522 function submitlinks($URI, $formvars="", $formfiles="")
523 {
524 if($this->submit($URI,$formvars, $formfiles))
525 {
526 if($this->lastredirectaddr)
527 $URI = $this->lastredirectaddr;
528 if(is_array($this->results))
529 {
530 for($x=0;$x<count($this->results);$x++)
531 {
532 $this->results[$x] = $this->_striplinks($this->results[$x]);
533 if($this->expandlinks)
534 $this->results[$x] = $this->_expandlinks($this->results[$x],$URI);
535 }
536 }
537 else
538 {
539 $this->results = $this->_striplinks($this->results);
540 if($this->expandlinks)
541 $this->results = $this->_expandlinks($this->results,$URI);
542 }
543 return true;
544 }
545 else
546 return false;
547 }
548
549/*======================================================================*\
550 Function: submittext
551 Purpose: grab text from a form submission
552 Input: $URI where you are submitting from
553 Output: $this->results the text from the web page
554\*======================================================================*/
555
556 function submittext($URI, $formvars = "", $formfiles = "")
557 {
558 if($this->submit($URI,$formvars, $formfiles))
559 {
560 if($this->lastredirectaddr)
561 $URI = $this->lastredirectaddr;
562 if(is_array($this->results))
563 {
564 for($x=0;$x<count($this->results);$x++)
565 {
566 $this->results[$x] = $this->_striptext($this->results[$x]);
567 if($this->expandlinks)
568 $this->results[$x] = $this->_expandlinks($this->results[$x],$URI);
569 }
570 }
571 else
572 {
573 $this->results = $this->_striptext($this->results);
574 if($this->expandlinks)
575 $this->results = $this->_expandlinks($this->results,$URI);
576 }
577 return true;
578 }
579 else
580 return false;
581 }
582
583
584
585/*======================================================================*\
586 Function: set_submit_multipart
587 Purpose: Set the form submission content type to
588 multipart/form-data
589\*======================================================================*/
590 function set_submit_multipart()
591 {
592 $this->_submit_type = "multipart/form-data";
593 }
594
595
596/*======================================================================*\
597 Function: set_submit_normal
598 Purpose: Set the form submission content type to
599 application/x-www-form-urlencoded
600\*======================================================================*/
601 function set_submit_normal()
602 {
603 $this->_submit_type = "application/x-www-form-urlencoded";
604 }
605
606
607
608
609/*======================================================================*\
610 Private functions
611\*======================================================================*/
612
613
614/*======================================================================*\
615 Function: _striplinks
616 Purpose: strip the hyperlinks from an html document
617 Input: $document document to strip.
618 Output: $match an array of the links
619\*======================================================================*/
620
621 function _striplinks($document)
622 {
623 preg_match_all("'<\s*a\s.*?href\s*=\s* # find <a href=
624 ([\"\'])? # find single or double quote
625 (?(1) (.*?)\\1 | ([^\s\>]+)) # if quote found, match up to next matching
626 # quote, otherwise match up to next space
627 'isx",$document,$links);
628
629
630 // catenate the non-empty matches from the conditional subpattern
631
632 foreach ( $links[2] as $key => $val )
633 {
634 if(!empty($val))
635 $match[] = $val;
636 }
637
638 foreach ( $links[3] as $key => $val )
639 {
640 if(!empty($val))
641 $match[] = $val;
642 }
643
644 // return the links
645 return $match;
646 }
647
648/*======================================================================*\
649 Function: _stripform
650 Purpose: strip the form elements from an html document
651 Input: $document document to strip.
652 Output: $match an array of the links
653\*======================================================================*/
654
655 function _stripform($document)
656 {
657 preg_match_all("'<\/?(FORM|INPUT|SELECT|TEXTAREA|(OPTION))[^<>]*>(?(2)(.*(?=<\/?(option|select)[^<>]*>[\r\n]*)|(?=[\r\n]*))|(?=[\r\n]*))'Usi",$document,$elements);
658
659 // catenate the matches
660 $match = implode("\r\n",$elements[0]);
661
662 // return the links
663 return $match;
664 }
665
666
667
668/*======================================================================*\
669 Function: _striptext
670 Purpose: strip the text from an html document
671 Input: $document document to strip.
672 Output: $text the resulting text
673\*======================================================================*/
674
675 function _striptext($document)
676 {
677
678 // I didn't use preg eval (//e) since that is only available in PHP 4.0.
679 // so, list your entities one by one here. I included some of the
680 // more common ones.
681
682 $search = array("'<script[^>]*?>.*?</script>'si", // strip out javascript
683 "'<[\/\!]*?[^<>]*?>'si", // strip out html tags
684 "'([\r\n])[\s]+'", // strip out white space
685 "'&(quot|#34|#034|#x22);'i", // replace html entities
686 "'&(amp|#38|#038|#x26);'i", // added hexadecimal values
687 "'&(lt|#60|#060|#x3c);'i",
688 "'&(gt|#62|#062|#x3e);'i",
689 "'&(nbsp|#160|#xa0);'i",
690 "'&(iexcl|#161);'i",
691 "'&(cent|#162);'i",
692 "'&(pound|#163);'i",
693 "'&(copy|#169);'i",
694 "'&(reg|#174);'i",
695 "'&(deg|#176);'i",
696 "'&(#39|#039|#x27);'",
697 "'&(euro|#8364);'i", // europe
698 "'&a(uml|UML);'", // german
699 "'&o(uml|UML);'",
700 "'&u(uml|UML);'",
701 "'&A(uml|UML);'",
702 "'&O(uml|UML);'",
703 "'&U(uml|UML);'",
704 "'ß'i",
705 );
706 $replace = array( "",
707 "",
708 "\\1",
709 "\"",
710 "&",
711 "<",
712 ">",
713 " ",
714 chr(161),
715 chr(162),
716 chr(163),
717 chr(169),
718 chr(174),
719 chr(176),
720 chr(39),
721 chr(128),
722 chr(0xE4), // ANSI ä
723 chr(0xF6), // ANSI ö
724 chr(0xFC), // ANSI ü
725 chr(0xC4), // ANSI Ä
726 chr(0xD6), // ANSI Ö
727 chr(0xDC), // ANSI Ü
728 chr(0xDF), // ANSI ß
729 );
730
731 $text = preg_replace($search,$replace,$document);
732
733 return $text;
734 }
735
736/*======================================================================*\
737 Function: _expandlinks
738 Purpose: expand each link into a fully qualified URL
739 Input: $links the links to qualify
740 $URI the full URI to get the base from
741 Output: $expandedLinks the expanded links
742\*======================================================================*/
743
744 function _expandlinks($links,$URI)
745 {
746
747 preg_match("/^[^\?]+/",$URI,$match);
748
749 $match = preg_replace("|/[^\/\.]+\.[^\/\.]+$|","",$match[0]);
750 $match = preg_replace("|/$|","",$match);
751 $match_part = parse_url($match);
752 $match_root =
753 $match_part["scheme"]."://".$match_part["host"];
754
755 $search = array( "|^http://".preg_quote($this->host)."|i",
756 "|^(\/)|i",
757 "|^(?!http://)(?!mailto:)|i",
758 "|/\./|",
759 "|/[^\/]+/\.\./|"
760 );
761
762 $replace = array( "",
763 $match_root."/",
764 $match."/",
765 "/",
766 "/"
767 );
768
769 $expandedLinks = preg_replace($search,$replace,$links);
770
771 return $expandedLinks;
772 }
773
774/*======================================================================*\
775 Function: _httprequest
776 Purpose: go get the http data from the server
777 Input: $url the url to fetch
778 $fp the current open file pointer
779 $URI the full URI
780 $body body contents to send if any (POST)
781 Output:
782\*======================================================================*/
783
784 function _httprequest($url,$fp,$URI,$http_method,$content_type="",$body="")
785 {
786 $cookie_headers = '';
787 if($this->passcookies && $this->_redirectaddr)
788 $this->setcookies();
789
790 $URI_PARTS = parse_url($URI);
791 if(empty($url))
792 $url = "/";
793 $headers = $http_method." ".$url." ".$this->_httpversion."\r\n";
794 if(!empty($this->agent))
795 $headers .= "User-Agent: ".$this->agent."\r\n";
796 if(!empty($this->host) && !isset($this->rawheaders['Host'])) {
797 $headers .= "Host: ".$this->host;
798 if(!empty($this->port) && $this->port != 80)
799 $headers .= ":".$this->port;
800 $headers .= "\r\n";
801 }
802 if(!empty($this->accept))
803 $headers .= "Accept: ".$this->accept."\r\n";
804 if(!empty($this->referer))
805 $headers .= "Referer: ".$this->referer."\r\n";
806 if(!empty($this->cookies))
807 {
808 if(!is_array($this->cookies))
809 $this->cookies = (array)$this->cookies;
810
811 reset($this->cookies);
812 if ( count($this->cookies) > 0 ) {
813 $cookie_headers .= 'Cookie: ';
814 foreach ( $this->cookies as $cookieKey => $cookieVal ) {
815 $cookie_headers .= $cookieKey."=".urlencode($cookieVal)."; ";
816 }
817 $headers .= substr($cookie_headers,0,-2) . "\r\n";
818 }
819 }
820 if(!empty($this->rawheaders))
821 {
822 if(!is_array($this->rawheaders))
823 $this->rawheaders = (array)$this->rawheaders;
824 foreach ( $this->rawheaders as $headerKey => $headerVal )
825 $headers .= $headerKey.": ".$headerVal."\r\n";
826 }
827 if(!empty($content_type)) {
828 $headers .= "Content-Type: $content_type";
829 if ($content_type == "multipart/form-data")
830 $headers .= "; boundary=".$this->_mime_boundary;
831 $headers .= "\r\n";
832 }
833 if(!empty($body))
834 $headers .= "Content-Length: ".strlen($body)."\r\n";
835 if(!empty($this->user) || !empty($this->pass))
836 $headers .= "Authorization: Basic ".base64_encode($this->user.":".$this->pass)."\r\n";
837
838 //add proxy auth headers
839 if(!empty($this->proxy_user))
840 $headers .= 'Proxy-Authorization: ' . 'Basic ' . base64_encode($this->proxy_user . ':' . $this->proxy_pass)."\r\n";
841
842
843 $headers .= "\r\n";
844
845 // set the read timeout if needed
846 if ($this->read_timeout > 0)
847 socket_set_timeout($fp, $this->read_timeout);
848 $this->timed_out = false;
849
850 fwrite($fp,$headers.$body,strlen($headers.$body));
851
852 $this->_redirectaddr = false;
853 unset($this->headers);
854
855 while($currentHeader = fgets($fp,$this->_maxlinelen))
856 {
857 if ($this->read_timeout > 0 && $this->_check_timeout($fp))
858 {
859 $this->status=-100;
860 return false;
861 }
862
863 if($currentHeader == "\r\n")
864 break;
865
866 // if a header begins with Location: or URI:, set the redirect
867 if(preg_match("/^(Location:|URI:)/i",$currentHeader))
868 {
869 // get URL portion of the redirect
870 preg_match("/^(Location:|URI:)[ ]+(.*)/i",chop($currentHeader),$matches);
871 // look for :// in the Location header to see if hostname is included
872 if(!preg_match("|\:\/\/|",$matches[2]))
873 {
874 // no host in the path, so prepend
875 $this->_redirectaddr = $URI_PARTS["scheme"]."://".$this->host.":".$this->port;
876 // eliminate double slash
877 if(!preg_match("|^/|",$matches[2]))
878 $this->_redirectaddr .= "/".$matches[2];
879 else
880 $this->_redirectaddr .= $matches[2];
881 }
882 else
883 $this->_redirectaddr = $matches[2];
884 }
885
886 if(preg_match("|^HTTP/|",$currentHeader))
887 {
888 if(preg_match("|^HTTP/[^\s]*\s(.*?)\s|",$currentHeader, $status))
889 {
890 $this->status= $status[1];
891 }
892 $this->response_code = $currentHeader;
893 }
894
895 $this->headers[] = $currentHeader;
896 }
897
898 $results = '';
899 do {
900 $_data = fread($fp, $this->maxlength);
901 if (strlen($_data) == 0) {
902 break;
903 }
904 $results .= $_data;
905 } while(true);
906
907 if ($this->read_timeout > 0 && $this->_check_timeout($fp))
908 {
909 $this->status=-100;
910 return false;
911 }
912
913 // check if there is a redirect meta tag
914
915 if(preg_match("'<meta[\s]*http-equiv[^>]*?content[\s]*=[\s]*[\"\']?\d+;[\s]*URL[\s]*=[\s]*([^\"\']*?)[\"\']?>'i",$results,$match))
916
917 {
918 $this->_redirectaddr = $this->_expandlinks($match[1],$URI);
919 }
920
921 // have we hit our frame depth and is there frame src to fetch?
922 if(($this->_framedepth < $this->maxframes) && preg_match_all("'<frame\s+.*src[\s]*=[\'\"]?([^\'\"\>]+)'i",$results,$match))
923 {
924 $this->results[] = $results;
925 for($x=0; $x<count($match[1]); $x++)
926 $this->_frameurls[] = $this->_expandlinks($match[1][$x],$URI_PARTS["scheme"]."://".$this->host);
927 }
928 // have we already fetched framed content?
929 elseif(is_array($this->results))
930 $this->results[] = $results;
931 // no framed content
932 else
933 $this->results = $results;
934
935 return true;
936 }
937
938/*======================================================================*\
939 Function: _httpsrequest
940 Purpose: go get the https data from the server using curl
941 Input: $url the url to fetch
942 $URI the full URI
943 $body body contents to send if any (POST)
944 Output:
945\*======================================================================*/
946
947 function _httpsrequest($url,$URI,$http_method,$content_type="",$body="")
948 {
949 if($this->passcookies && $this->_redirectaddr)
950 $this->setcookies();
951
952 $headers = array();
953
954 $URI_PARTS = parse_url($URI);
955 if(empty($url))
956 $url = "/";
957 // GET ... header not needed for curl
958 //$headers[] = $http_method." ".$url." ".$this->_httpversion;
959 if(!empty($this->agent))
960 $headers[] = "User-Agent: ".$this->agent;
961 if(!empty($this->host))
962 if(!empty($this->port))
963 $headers[] = "Host: ".$this->host.":".$this->port;
964 else
965 $headers[] = "Host: ".$this->host;
966 if(!empty($this->accept))
967 $headers[] = "Accept: ".$this->accept;
968 if(!empty($this->referer))
969 $headers[] = "Referer: ".$this->referer;
970 if(!empty($this->cookies))
971 {
972 if(!is_array($this->cookies))
973 $this->cookies = (array)$this->cookies;
974
975 reset($this->cookies);
976 if ( count($this->cookies) > 0 ) {
977 $cookie_str = 'Cookie: ';
978 foreach ( $this->cookies as $cookieKey => $cookieVal ) {
979 $cookie_str .= $cookieKey."=".urlencode($cookieVal)."; ";
980 }
981 $headers[] = substr($cookie_str,0,-2);
982 }
983 }
984 if(!empty($this->rawheaders))
985 {
986 if(!is_array($this->rawheaders))
987 $this->rawheaders = (array)$this->rawheaders;
988 foreach ( $this->rawheaders as $headerKey => $headerVal )
989 $headers[] = $headerKey.": ".$headerVal;
990 }
991 if(!empty($content_type)) {
992 if ($content_type == "multipart/form-data")
993 $headers[] = "Content-Type: $content_type; boundary=".$this->_mime_boundary;
994 else
995 $headers[] = "Content-Type: $content_type";
996 }
997 if(!empty($body))
998 $headers[] = "Content-Length: ".strlen($body);
999 if(!empty($this->user) || !empty($this->pass))
1000 $headers[] = "Authorization: BASIC ".base64_encode($this->user.":".$this->pass);
1001
1002 $headerfile = tempnam( $this->temp_dir, "sno" );
1003 $cmdline_params = '-k -D ' . escapeshellarg( $headerfile );
1004
1005 foreach ( $headers as $header ) {
1006 $cmdline_params .= ' -H ' . escapeshellarg( $header );
1007 }
1008
1009 if ( ! empty( $body ) ) {
1010 $cmdline_params .= ' -d ' . escapeshellarg( $body );
1011 }
1012
1013 if ( $this->read_timeout > 0 ) {
1014 $cmdline_params .= ' -m ' . escapeshellarg( $this->read_timeout );
1015 }
1016
1017
1018 exec( $this->curl_path . ' ' . $cmdline_params . ' ' . escapeshellarg( $URI ), $results, $return );
1019
1020 if($return)
1021 {
1022 $this->error = "Error: cURL could not retrieve the document, error $return.";
1023 return false;
1024 }
1025
1026
1027 $results = implode("\r\n",$results);
1028
1029 $result_headers = file("$headerfile");
1030
1031 $this->_redirectaddr = false;
1032 unset($this->headers);
1033
1034 for($currentHeader = 0; $currentHeader < count($result_headers); $currentHeader++)
1035 {
1036
1037 // if a header begins with Location: or URI:, set the redirect
1038 if(preg_match("/^(Location: |URI: )/i",$result_headers[$currentHeader]))
1039 {
1040 // get URL portion of the redirect
1041 preg_match("/^(Location: |URI:)\s+(.*)/",chop($result_headers[$currentHeader]),$matches);
1042 // look for :// in the Location header to see if hostname is included
1043 if(!preg_match("|\:\/\/|",$matches[2]))
1044 {
1045 // no host in the path, so prepend
1046 $this->_redirectaddr = $URI_PARTS["scheme"]."://".$this->host.":".$this->port;
1047 // eliminate double slash
1048 if(!preg_match("|^/|",$matches[2]))
1049 $this->_redirectaddr .= "/".$matches[2];
1050 else
1051 $this->_redirectaddr .= $matches[2];
1052 }
1053 else
1054 $this->_redirectaddr = $matches[2];
1055 }
1056
1057 if(preg_match("|^HTTP/|",$result_headers[$currentHeader]))
1058 $this->response_code = $result_headers[$currentHeader];
1059
1060 $this->headers[] = $result_headers[$currentHeader];
1061 }
1062
1063 // check if there is a redirect meta tag
1064
1065 if(preg_match("'<meta[\s]*http-equiv[^>]*?content[\s]*=[\s]*[\"\']?\d+;[\s]*URL[\s]*=[\s]*([^\"\']*?)[\"\']?>'i",$results,$match))
1066 {
1067 $this->_redirectaddr = $this->_expandlinks($match[1],$URI);
1068 }
1069
1070 // have we hit our frame depth and is there frame src to fetch?
1071 if(($this->_framedepth < $this->maxframes) && preg_match_all("'<frame\s+.*src[\s]*=[\'\"]?([^\'\"\>]+)'i",$results,$match))
1072 {
1073 $this->results[] = $results;
1074 for($x=0; $x<count($match[1]); $x++)
1075 $this->_frameurls[] = $this->_expandlinks($match[1][$x],$URI_PARTS["scheme"]."://".$this->host);
1076 }
1077 // have we already fetched framed content?
1078 elseif(is_array($this->results))
1079 $this->results[] = $results;
1080 // no framed content
1081 else
1082 $this->results = $results;
1083
1084 unlink("$headerfile");
1085
1086 return true;
1087 }
1088
1089/*======================================================================*\
1090 Function: setcookies()
1091 Purpose: set cookies for a redirection
1092\*======================================================================*/
1093
1094 function setcookies()
1095 {
1096 for($x=0; $x<count($this->headers); $x++)
1097 {
1098 if(preg_match('/^set-cookie:[\s]+([^=]+)=([^;]+)/i', $this->headers[$x],$match))
1099 $this->cookies[$match[1]] = urldecode($match[2]);
1100 }
1101 }
1102
1103
1104/*======================================================================*\
1105 Function: _check_timeout
1106 Purpose: checks whether timeout has occurred
1107 Input: $fp file pointer
1108\*======================================================================*/
1109
1110 function _check_timeout($fp)
1111 {
1112 if ($this->read_timeout > 0) {
1113 $fp_status = socket_get_status($fp);
1114 if ($fp_status["timed_out"]) {
1115 $this->timed_out = true;
1116 return true;
1117 }
1118 }
1119 return false;
1120 }
1121
1122/*======================================================================*\
1123 Function: _connect
1124 Purpose: make a socket connection
1125 Input: $fp file pointer
1126\*======================================================================*/
1127
1128 function _connect(&$fp)
1129 {
1130 if(!empty($this->proxy_host) && !empty($this->proxy_port))
1131 {
1132 $this->_isproxy = true;
1133
1134 $host = $this->proxy_host;
1135 $port = $this->proxy_port;
1136 }
1137 else
1138 {
1139 $host = $this->host;
1140 $port = $this->port;
1141 }
1142
1143 $this->status = 0;
1144
1145 if($fp = fsockopen(
1146 $host,
1147 $port,
1148 $errno,
1149 $errstr,
1150 $this->_fp_timeout
1151 ))
1152 {
1153 // socket connection succeeded
1154
1155 return true;
1156 }
1157 else
1158 {
1159 // socket connection failed
1160 $this->status = $errno;
1161 switch($errno)
1162 {
1163 case -3:
1164 $this->error="socket creation failed (-3)";
1165 case -4:
1166 $this->error="dns lookup failure (-4)";
1167 case -5:
1168 $this->error="connection refused or timed out (-5)";
1169 default:
1170 $this->error="connection failed (".$errno.")";
1171 }
1172 return false;
1173 }
1174 }
1175/*======================================================================*\
1176 Function: _disconnect
1177 Purpose: disconnect a socket connection
1178 Input: $fp file pointer
1179\*======================================================================*/
1180
1181 function _disconnect($fp)
1182 {
1183 return(fclose($fp));
1184 }
1185
1186
1187/*======================================================================*\
1188 Function: _prepare_post_body
1189 Purpose: Prepare post body according to encoding type
1190 Input: $formvars - form variables
1191 $formfiles - form upload files
1192 Output: post body
1193\*======================================================================*/
1194
1195 function _prepare_post_body($formvars, $formfiles)
1196 {
1197 settype($formvars, "array");
1198 settype($formfiles, "array");
1199 $postdata = '';
1200
1201 if (count($formvars) == 0 && count($formfiles) == 0)
1202 return;
1203
1204 switch ($this->_submit_type) {
1205 case "application/x-www-form-urlencoded":
1206 reset($formvars);
1207 foreach ( $formvars as $key => $val ) {
1208 if (is_array($val) || is_object($val)) {
1209 foreach ( $val as $cur_key => $cur_val ) {
1210 $postdata .= urlencode($key)."[]=".urlencode($cur_val)."&";
1211 }
1212 } else
1213 $postdata .= urlencode($key)."=".urlencode($val)."&";
1214 }
1215 break;
1216
1217 case "multipart/form-data":
1218 $this->_mime_boundary = "Snoopy".md5(uniqid(microtime()));
1219
1220 reset($formvars);
1221 foreach ( $formvars as $key => $val ) {
1222 if (is_array($val) || is_object($val)) {
1223 foreach ( $val as $cur_key => $cur_val ) {
1224 $postdata .= "--".$this->_mime_boundary."\r\n";
1225 $postdata .= "Content-Disposition: form-data; name=\"$key\[\]\"\r\n\r\n";
1226 $postdata .= "$cur_val\r\n";
1227 }
1228 } else {
1229 $postdata .= "--".$this->_mime_boundary."\r\n";
1230 $postdata .= "Content-Disposition: form-data; name=\"$key\"\r\n\r\n";
1231 $postdata .= "$val\r\n";
1232 }
1233 }
1234
1235 reset($formfiles);
1236 foreach ( $formfiles as $field_name => $file_names ) {
1237 settype($file_names, "array");
1238 foreach ( $file_names as $file_name ) {
1239 if (!is_readable($file_name)) continue;
1240
1241 $fp = fopen($file_name, "r");
1242 $file_content = fread($fp, filesize($file_name));
1243 fclose($fp);
1244 $base_name = basename($file_name);
1245
1246 $postdata .= "--".$this->_mime_boundary."\r\n";
1247 $postdata .= "Content-Disposition: form-data; name=\"$field_name\"; filename=\"$base_name\"\r\n\r\n";
1248 $postdata .= "$file_content\r\n";
1249 }
1250 }
1251 $postdata .= "--".$this->_mime_boundary."--\r\n";
1252 break;
1253 }
1254
1255 return $postdata;
1256 }
1257}
1258endif;
1259?>
1260