4
* Deprecated. Use WP_HTTP (http.php, class-http.php) instead.
6
_deprecated_file( basename( __FILE__ ), '3.0', WPINC . '/http.php' );
8
if ( !class_exists( 'Snoopy' ) ) :
9
/*************************************************
11
Snoopy - the PHP net client
12
Author: Monte Ohrt <monte@ispi.net>
13
Copyright (c): 1999-2008 New Digital Group, all rights reserved
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.
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.
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
30
You may contact the author of Snoopy by e-mail at:
33
The latest version of Snoopy can be obtained from:
34
http://snoopy.sourceforge.net/
36
*************************************************/
40
/**** Public variables ****/
42
/* user definable vars */
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
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";
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.
69
var $user = ""; // user for http authentication
70
var $pass = ""; // password for http authentication
73
var $accept = "image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, */*";
75
var $results = ""; // where the content is put
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
87
var $temp_dir = "/tmp"; // temporary directory that the webserver
88
// has permission to write to.
89
// under Windows, this should be C:\temp
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.
103
/**** Private variables ****/
105
var $_maxlinelen = 4096; // max line length (headers)
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
117
var $_isproxy = false; // set if using a proxy server
118
var $_fp_timeout = 30; // timeout for socket connection
120
/*======================================================================*\
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: $this->results the output text from the fetch
127
\*======================================================================*/
132
//preg_match("|^([^:]+)://([^:/]+)(:[\d]+)*(.*)|",$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
$URI_PARTS["path"] = '';
143
switch(strtolower($URI_PARTS["scheme"]))
146
$this->host = $URI_PARTS["host"];
147
if(!empty($URI_PARTS["port"]))
148
$this->port = $URI_PARTS["port"];
149
if($this->_connect($fp))
153
// using proxy, send entire URI
154
$this->_httprequest($URI,$fp,$URI,$this->_httpmethod);
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);
163
$this->_disconnect($fp);
165
if($this->_redirectaddr)
167
/* url was redirected, check if we've hit the max depth */
168
if($this->maxredirs > $this->_redirectdepth)
170
// only follow redirect if it's on this site, or offsiteok is true
171
if(preg_match("|^http://".preg_quote($this->host)."|i",$this->_redirectaddr) || $this->offsiteok)
173
/* follow the redirect */
174
$this->_redirectdepth++;
175
$this->lastredirectaddr=$this->_redirectaddr;
176
$this->fetch($this->_redirectaddr);
181
if($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0)
183
$frameurls = $this->_frameurls;
184
$this->_frameurls = array();
186
while(list(,$frameurl) = each($frameurls))
188
if($this->_framedepth < $this->maxframes)
190
$this->fetch($frameurl);
191
$this->_framedepth++;
205
if(!$this->curl_path)
207
if(function_exists("is_executable"))
208
if (!is_executable($this->curl_path))
210
$this->host = $URI_PARTS["host"];
211
if(!empty($URI_PARTS["port"]))
212
$this->port = $URI_PARTS["port"];
215
// using proxy, send entire URI
216
$this->_httpsrequest($URI,$URI,$this->_httpmethod);
220
$path = $URI_PARTS["path"].($URI_PARTS["query"] ? "?".$URI_PARTS["query"] : "");
221
// no proxy, send only the path
222
$this->_httpsrequest($path, $URI, $this->_httpmethod);
225
if($this->_redirectaddr)
227
/* url was redirected, check if we've hit the max depth */
228
if($this->maxredirs > $this->_redirectdepth)
230
// only follow redirect if it's on this site, or offsiteok is true
231
if(preg_match("|^http://".preg_quote($this->host)."|i",$this->_redirectaddr) || $this->offsiteok)
233
/* follow the redirect */
234
$this->_redirectdepth++;
235
$this->lastredirectaddr=$this->_redirectaddr;
236
$this->fetch($this->_redirectaddr);
241
if($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0)
243
$frameurls = $this->_frameurls;
244
$this->_frameurls = array();
246
while(list(,$frameurl) = each($frameurls))
248
if($this->_framedepth < $this->maxframes)
250
$this->fetch($frameurl);
251
$this->_framedepth++;
260
// not a valid protocol
261
$this->error = 'Invalid protocol "'.$URI_PARTS["scheme"].'"\n';
268
/*======================================================================*\
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: $this->results the text output from the post
277
\*======================================================================*/
279
function submit($URI, $formvars="", $formfiles="")
283
$postdata = $this->_prepare_post_body($formvars, $formfiles);
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
$URI_PARTS["path"] = '';
295
switch(strtolower($URI_PARTS["scheme"]))
298
$this->host = $URI_PARTS["host"];
299
if(!empty($URI_PARTS["port"]))
300
$this->port = $URI_PARTS["port"];
301
if($this->_connect($fp))
305
// using proxy, send entire URI
306
$this->_httprequest($URI,$fp,$URI,$this->_submit_method,$this->_submit_type,$postdata);
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);
315
$this->_disconnect($fp);
317
if($this->_redirectaddr)
319
/* url was redirected, check if we've hit the max depth */
320
if($this->maxredirs > $this->_redirectdepth)
322
if(!preg_match("|^".$URI_PARTS["scheme"]."://|", $this->_redirectaddr))
323
$this->_redirectaddr = $this->_expandlinks($this->_redirectaddr,$URI_PARTS["scheme"]."://".$URI_PARTS["host"]);
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)
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
334
$this->submit($this->_redirectaddr,$formvars, $formfiles);
339
if($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0)
341
$frameurls = $this->_frameurls;
342
$this->_frameurls = array();
344
while(list(,$frameurl) = each($frameurls))
346
if($this->_framedepth < $this->maxframes)
348
$this->fetch($frameurl);
349
$this->_framedepth++;
364
if(!$this->curl_path)
366
if(function_exists("is_executable"))
367
if (!is_executable($this->curl_path))
369
$this->host = $URI_PARTS["host"];
370
if(!empty($URI_PARTS["port"]))
371
$this->port = $URI_PARTS["port"];
374
// using proxy, send entire URI
375
$this->_httpsrequest($URI, $URI, $this->_submit_method, $this->_submit_type, $postdata);
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, $postdata);
384
if($this->_redirectaddr)
386
/* url was redirected, check if we've hit the max depth */
387
if($this->maxredirs > $this->_redirectdepth)
389
if(!preg_match("|^".$URI_PARTS["scheme"]."://|", $this->_redirectaddr))
390
$this->_redirectaddr = $this->_expandlinks($this->_redirectaddr,$URI_PARTS["scheme"]."://".$URI_PARTS["host"]);
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)
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
401
$this->submit($this->_redirectaddr,$formvars, $formfiles);
406
if($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0)
408
$frameurls = $this->_frameurls;
409
$this->_frameurls = array();
411
while(list(,$frameurl) = each($frameurls))
413
if($this->_framedepth < $this->maxframes)
415
$this->fetch($frameurl);
416
$this->_framedepth++;
426
// not a valid protocol
427
$this->error = 'Invalid protocol "'.$URI_PARTS["scheme"].'"\n';
434
/*======================================================================*\
436
Purpose: fetch the links from a web page
437
Input: $URI where you are fetching from
438
Output: $this->results an array of the URLs
439
\*======================================================================*/
441
function fetchlinks($URI)
443
if ($this->fetch($URI))
445
if($this->lastredirectaddr)
446
$URI = $this->lastredirectaddr;
447
if(is_array($this->results))
449
for($x=0;$x<count($this->results);$x++)
450
$this->results[$x] = $this->_striplinks($this->results[$x]);
453
$this->results = $this->_striplinks($this->results);
455
if($this->expandlinks)
456
$this->results = $this->_expandlinks($this->results, $URI);
463
/*======================================================================*\
465
Purpose: fetch the form elements from a web page
466
Input: $URI where you are fetching from
467
Output: $this->results the resulting html form
468
\*======================================================================*/
470
function fetchform($URI)
473
if ($this->fetch($URI))
476
if(is_array($this->results))
478
for($x=0;$x<count($this->results);$x++)
479
$this->results[$x] = $this->_stripform($this->results[$x]);
482
$this->results = $this->_stripform($this->results);
491
/*======================================================================*\
493
Purpose: fetch the text from a web page, stripping the links
494
Input: $URI where you are fetching from
495
Output: $this->results the text from the web page
496
\*======================================================================*/
498
function fetchtext($URI)
500
if($this->fetch($URI))
502
if(is_array($this->results))
504
for($x=0;$x<count($this->results);$x++)
505
$this->results[$x] = $this->_striptext($this->results[$x]);
508
$this->results = $this->_striptext($this->results);
515
/*======================================================================*\
516
Function: submitlinks
517
Purpose: grab links from a form submission
518
Input: $URI where you are submitting from
519
Output: $this->results an array of the links from the post
520
\*======================================================================*/
522
function submitlinks($URI, $formvars="", $formfiles="")
524
if($this->submit($URI,$formvars, $formfiles))
526
if($this->lastredirectaddr)
527
$URI = $this->lastredirectaddr;
528
if(is_array($this->results))
530
for($x=0;$x<count($this->results);$x++)
532
$this->results[$x] = $this->_striplinks($this->results[$x]);
533
if($this->expandlinks)
534
$this->results[$x] = $this->_expandlinks($this->results[$x],$URI);
539
$this->results = $this->_striplinks($this->results);
540
if($this->expandlinks)
541
$this->results = $this->_expandlinks($this->results,$URI);
549
/*======================================================================*\
551
Purpose: grab text from a form submission
552
Input: $URI where you are submitting from
553
Output: $this->results the text from the web page
554
\*======================================================================*/
556
function submittext($URI, $formvars = "", $formfiles = "")
558
if($this->submit($URI,$formvars, $formfiles))
560
if($this->lastredirectaddr)
561
$URI = $this->lastredirectaddr;
562
if(is_array($this->results))
564
for($x=0;$x<count($this->results);$x++)
566
$this->results[$x] = $this->_striptext($this->results[$x]);
567
if($this->expandlinks)
568
$this->results[$x] = $this->_expandlinks($this->results[$x],$URI);
573
$this->results = $this->_striptext($this->results);
574
if($this->expandlinks)
575
$this->results = $this->_expandlinks($this->results,$URI);
585
/*======================================================================*\
586
Function: set_submit_multipart
587
Purpose: Set the form submission content type to
589
\*======================================================================*/
590
function set_submit_multipart()
592
$this->_submit_type = "multipart/form-data";
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()
603
$this->_submit_type = "application/x-www-form-urlencoded";
609
/*======================================================================*\
611
\*======================================================================*/
614
/*======================================================================*\
615
Function: _striplinks
616
Purpose: strip the hyperlinks from an html document
617
Input: $document document to strip.
618
Output: $match an array of the links
619
\*======================================================================*/
621
function _striplinks($document)
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);
630
// catenate the non-empty matches from the conditional subpattern
632
while(list($key,$val) = each($links[2]))
638
while(list($key,$val) = each($links[3]))
648
/*======================================================================*\
650
Purpose: strip the form elements from an html document
651
Input: $document document to strip.
652
Output: $match an array of the links
653
\*======================================================================*/
655
function _stripform($document)
657
preg_match_all("'<\/?(FORM|INPUT|SELECT|TEXTAREA|(OPTION))[^<>]*>(?(2)(.*(?=<\/?(option|select)[^<>]*>[\r\n]*)|(?=[\r\n]*))|(?=[\r\n]*))'Usi",$document,$elements);
659
// catenate the matches
660
$match = implode("\r\n",$elements[0]);
668
/*======================================================================*\
670
Purpose: strip the text from an html document
671
Input: $document document to strip.
672
Output: $text the resulting text
673
\*======================================================================*/
675
function _striptext($document)
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
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",
696
"'&(#39|#039|#x27);'",
697
"'&(euro|#8364);'i", // europe
698
"'&a(uml|UML);'", // german
706
$replace = array( "",
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
731
$text = preg_replace($search,$replace,$document);
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: $expandedLinks the expanded links
742
\*======================================================================*/
744
function _expandlinks($links,$URI)
747
preg_match("/^[^\?]+/",$URI,$match);
749
$match = preg_replace("|/[^\/\.]+\.[^\/\.]+$|","",$match[0]);
750
$match = preg_replace("|/$|","",$match);
751
$match_part = parse_url($match);
753
$match_part["scheme"]."://".$match_part["host"];
755
$search = array( "|^http://".preg_quote($this->host)."|i",
757
"|^(?!http://)(?!mailto:)|i",
762
$replace = array( "",
769
$expandedLinks = preg_replace($search,$replace,$links);
771
return $expandedLinks;
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
780
$body body contents to send if any (POST)
782
\*======================================================================*/
784
function _httprequest($url,$fp,$URI,$http_method,$content_type="",$body="")
786
$cookie_headers = '';
787
if($this->passcookies && $this->_redirectaddr)
790
$URI_PARTS = parse_url($URI);
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;
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($this->cookies))
808
if(!is_array($this->cookies))
809
$this->cookies = (array)$this->cookies;
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)."; ";
817
$headers .= substr($cookie_headers,0,-2) . "\r\n";
820
if(!empty($this->rawheaders))
822
if(!is_array($this->rawheaders))
823
$this->rawheaders = (array)$this->rawheaders;
824
while(list($headerKey,$headerVal) = each($this->rawheaders))
825
$headers .= $headerKey.": ".$headerVal."\r\n";
827
if(!empty($content_type)) {
828
$headers .= "Content-type: $content_type";
829
if ($content_type == "multipart/form-data")
830
$headers .= "; boundary=".$this->_mime_boundary;
834
$headers .= "Content-length: ".strlen($body)."\r\n";
835
if(!empty($this->user) || !empty($this->pass))
836
$headers .= "Authorization: Basic ".base64_encode($this->user.":".$this->pass)."\r\n";
838
//add proxy auth headers
839
if(!empty($this->proxy_user))
840
$headers .= 'Proxy-Authorization: ' . 'Basic ' . base64_encode($this->proxy_user . ':' . $this->proxy_pass)."\r\n";
845
// set the read timeout if needed
846
if ($this->read_timeout > 0)
847
socket_set_timeout($fp, $this->read_timeout);
848
$this->timed_out = false;
850
fwrite($fp,$headers.$body,strlen($headers.$body));
852
$this->_redirectaddr = false;
853
unset($this->headers);
855
while($currentHeader = fgets($fp,$this->_maxlinelen))
857
if ($this->read_timeout > 0 && $this->_check_timeout($fp))
863
if($currentHeader == "\r\n")
866
// if a header begins with Location: or URI:, set the redirect
867
if(preg_match("/^(Location:|URI:)/i",$currentHeader))
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]))
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];
880
$this->_redirectaddr .= $matches[2];
883
$this->_redirectaddr = $matches[2];
886
if(preg_match("|^HTTP/|",$currentHeader))
888
if(preg_match("|^HTTP/[^\s]*\s(.*?)\s|",$currentHeader, $status))
890
$this->status= $status[1];
892
$this->response_code = $currentHeader;
895
$this->headers[] = $currentHeader;
900
$_data = fread($fp, $this->maxlength);
901
if (strlen($_data) == 0) {
907
if ($this->read_timeout > 0 && $this->_check_timeout($fp))
913
// check if there is a redirect meta tag
915
if(preg_match("'<meta[\s]*http-equiv[^>]*?content[\s]*=[\s]*[\"\']?\d+;[\s]*URL[\s]*=[\s]*([^\"\']*?)[\"\']?>'i",$results,$match))
918
$this->_redirectaddr = $this->_expandlinks($match[1],$URI);
921
// have we hit our frame depth and is there frame src to fetch?
922
if(($this->_framedepth < $this->maxframes) && preg_match_all("'<frame\s+.*src[\s]*=[\'\"]?([^\'\"\>]+)'i",$results,$match))
924
$this->results[] = $results;
925
for($x=0; $x<count($match[1]); $x++)
926
$this->_frameurls[] = $this->_expandlinks($match[1][$x],$URI_PARTS["scheme"]."://".$this->host);
928
// have we already fetched framed content?
929
elseif(is_array($this->results))
930
$this->results[] = $results;
933
$this->results = $results;
938
/*======================================================================*\
939
Function: _httpsrequest
940
Purpose: go get the https data from the server using curl
941
Input: $url the url to fetch
943
$body body contents to send if any (POST)
945
\*======================================================================*/
947
function _httpsrequest($url,$URI,$http_method,$content_type="",$body="")
949
if($this->passcookies && $this->_redirectaddr)
954
$URI_PARTS = parse_url($URI);
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;
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($this->cookies))
972
if(!is_array($this->cookies))
973
$this->cookies = (array)$this->cookies;
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)."; ";
981
$headers[] = substr($cookie_str,0,-2);
984
if(!empty($this->rawheaders))
986
if(!is_array($this->rawheaders))
987
$this->rawheaders = (array)$this->rawheaders;
988
while(list($headerKey,$headerVal) = each($this->rawheaders))
989
$headers[] = $headerKey.": ".$headerVal;
991
if(!empty($content_type)) {
992
if ($content_type == "multipart/form-data")
993
$headers[] = "Content-type: $content_type; boundary=".$this->_mime_boundary;
995
$headers[] = "Content-type: $content_type";
998
$headers[] = "Content-length: ".strlen($body);
999
if(!empty($this->user) || !empty($this->pass))
1000
$headers[] = "Authorization: BASIC ".base64_encode($this->user.":".$this->pass);
1002
for($curr_header = 0; $curr_header < count($headers); $curr_header++) {
1003
$safer_header = strtr( $headers[$curr_header], "\"", " " );
1004
$cmdline_params .= " -H \"".$safer_header."\"";
1008
$cmdline_params .= " -d \"$body\"";
1010
if($this->read_timeout > 0)
1011
$cmdline_params .= " -m ".$this->read_timeout;
1013
$headerfile = tempnam($this->temp_dir, "sno");
1015
exec($this->curl_path." -k -D \"$headerfile\"".$cmdline_params." \"".escapeshellcmd($URI)."\"",$results,$return);
1019
$this->error = "Error: cURL could not retrieve the document, error $return.";
1024
$results = implode("\r\n",$results);
1026
$result_headers = file("$headerfile");
1028
$this->_redirectaddr = false;
1029
unset($this->headers);
1031
for($currentHeader = 0; $currentHeader < count($result_headers); $currentHeader++)
1034
// if a header begins with Location: or URI:, set the redirect
1035
if(preg_match("/^(Location: |URI: )/i",$result_headers[$currentHeader]))
1037
// get URL portion of the redirect
1038
preg_match("/^(Location: |URI:)\s+(.*)/",chop($result_headers[$currentHeader]),$matches);
1039
// look for :// in the Location header to see if hostname is included
1040
if(!preg_match("|\:\/\/|",$matches[2]))
1042
// no host in the path, so prepend
1043
$this->_redirectaddr = $URI_PARTS["scheme"]."://".$this->host.":".$this->port;
1044
// eliminate double slash
1045
if(!preg_match("|^/|",$matches[2]))
1046
$this->_redirectaddr .= "/".$matches[2];
1048
$this->_redirectaddr .= $matches[2];
1051
$this->_redirectaddr = $matches[2];
1054
if(preg_match("|^HTTP/|",$result_headers[$currentHeader]))
1055
$this->response_code = $result_headers[$currentHeader];
1057
$this->headers[] = $result_headers[$currentHeader];
1060
// check if there is a redirect meta tag
1062
if(preg_match("'<meta[\s]*http-equiv[^>]*?content[\s]*=[\s]*[\"\']?\d+;[\s]*URL[\s]*=[\s]*([^\"\']*?)[\"\']?>'i",$results,$match))
1064
$this->_redirectaddr = $this->_expandlinks($match[1],$URI);
1067
// have we hit our frame depth and is there frame src to fetch?
1068
if(($this->_framedepth < $this->maxframes) && preg_match_all("'<frame\s+.*src[\s]*=[\'\"]?([^\'\"\>]+)'i",$results,$match))
1070
$this->results[] = $results;
1071
for($x=0; $x<count($match[1]); $x++)
1072
$this->_frameurls[] = $this->_expandlinks($match[1][$x],$URI_PARTS["scheme"]."://".$this->host);
1074
// have we already fetched framed content?
1075
elseif(is_array($this->results))
1076
$this->results[] = $results;
1077
// no framed content
1079
$this->results = $results;
1081
unlink("$headerfile");
1086
/*======================================================================*\
1087
Function: setcookies()
1088
Purpose: set cookies for a redirection
1089
\*======================================================================*/
1091
function setcookies()
1093
for($x=0; $x<count($this->headers); $x++)
1095
if(preg_match('/^set-cookie:[\s]+([^=]+)=([^;]+)/i', $this->headers[$x],$match))
1096
$this->cookies[$match[1]] = urldecode($match[2]);
1101
/*======================================================================*\
1102
Function: _check_timeout
1103
Purpose: checks whether timeout has occurred
1104
Input: $fp file pointer
1105
\*======================================================================*/
1107
function _check_timeout($fp)
1109
if ($this->read_timeout > 0) {
1110
$fp_status = socket_get_status($fp);
1111
if ($fp_status["timed_out"]) {
1112
$this->timed_out = true;
1119
/*======================================================================*\
1121
Purpose: make a socket connection
1122
Input: $fp file pointer
1123
\*======================================================================*/
1125
function _connect(&$fp)
1127
if(!empty($this->proxy_host) && !empty($this->proxy_port))
1129
$this->_isproxy = true;
1131
$host = $this->proxy_host;
1132
$port = $this->proxy_port;
1136
$host = $this->host;
1137
$port = $this->port;
1150
// socket connection succeeded
1156
// socket connection failed
1157
$this->status = $errno;
1161
$this->error="socket creation failed (-3)";
1163
$this->error="dns lookup failure (-4)";
1165
$this->error="connection refused or timed out (-5)";
1167
$this->error="connection failed (".$errno.")";
1172
/*======================================================================*\
1173
Function: _disconnect
1174
Purpose: disconnect a socket connection
1175
Input: $fp file pointer
1176
\*======================================================================*/
1178
function _disconnect($fp)
1180
return(fclose($fp));
1184
/*======================================================================*\
1185
Function: _prepare_post_body
1186
Purpose: Prepare post body according to encoding type
1187
Input: $formvars - form variables
1188
$formfiles - form upload files
1190
\*======================================================================*/
1192
function _prepare_post_body($formvars, $formfiles)
1194
settype($formvars, "array");
1195
settype($formfiles, "array");
1198
if (count($formvars) == 0 && count($formfiles) == 0)
1201
switch ($this->_submit_type) {
1202
case "application/x-www-form-urlencoded":
1204
while(list($key,$val) = each($formvars)) {
1205
if (is_array($val) || is_object($val)) {
1206
while (list($cur_key, $cur_val) = each($val)) {
1207
$postdata .= urlencode($key)."[]=".urlencode($cur_val)."&";
1210
$postdata .= urlencode($key)."=".urlencode($val)."&";
1214
case "multipart/form-data":
1215
$this->_mime_boundary = "Snoopy".md5(uniqid(microtime()));
1218
while(list($key,$val) = each($formvars)) {
1219
if (is_array($val) || is_object($val)) {
1220
while (list($cur_key, $cur_val) = each($val)) {
1221
$postdata .= "--".$this->_mime_boundary."\r\n";
1222
$postdata .= "Content-Disposition: form-data; name=\"$key\[\]\"\r\n\r\n";
1223
$postdata .= "$cur_val\r\n";
1226
$postdata .= "--".$this->_mime_boundary."\r\n";
1227
$postdata .= "Content-Disposition: form-data; name=\"$key\"\r\n\r\n";
1228
$postdata .= "$val\r\n";
1233
while (list($field_name, $file_names) = each($formfiles)) {
1234
settype($file_names, "array");
1235
while (list(, $file_name) = each($file_names)) {
1236
if (!is_readable($file_name)) continue;
1238
$fp = fopen($file_name, "r");
1239
$file_content = fread($fp, filesize($file_name));
1241
$base_name = basename($file_name);
1243
$postdata .= "--".$this->_mime_boundary."\r\n";
1244
$postdata .= "Content-Disposition: form-data; name=\"$field_name\"; filename=\"$base_name\"\r\n\r\n";
1245
$postdata .= "$file_content\r\n";
1248
$postdata .= "--".$this->_mime_boundary."--\r\n";