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Code source de LifeType 1.2.4 |
1 <?php 2 3 /************************************************* 4 5 Snoopy - the PHP net client 6 Author: Monte Ohrt <monte@ispi.net> 7 Copyright (c): 1999-2000 ispi, all rights reserved 8 Version: 1.0 9 10 * This library is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU Lesser General Public 12 * License as published by the Free Software Foundation; either 13 * version 2.1 of the License, or (at your option) any later version. 14 * 15 * This library is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18 * Lesser General Public License for more details. 19 * 20 * You should have received a copy of the GNU Lesser General Public 21 * License along with this library; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23 24 You may contact the author of Snoopy by e-mail at: 25 monte@ispi.net 26 27 Or, write to: 28 Monte Ohrt 29 CTO, ispi 30 237 S. 70th suite 220 31 Lincoln, NE 68510 32 33 The latest version of Snoopy can be obtained from: 34 http://snoopy.sourceforge.com 35 36 *************************************************/ 37 38 class 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 $agent = "Snoopy v1.0"; // agent we masquerade as 49 var $referer = ""; // referer info to pass 50 var $cookies = array(); // array of cookies to pass 51 // $cookies["username"]="joe"; 52 var $rawheaders = array(); // array of raw headers to send 53 // $rawheaders["Content-type"]="text/html"; 54 55 var $maxredirs = 5; // http redirection depth maximum. 0 = disallow 56 var $lastredirectaddr = ""; // contains address of last redirected address 57 var $offsiteok = true; // allows redirection off-site 58 var $maxframes = 0; // frame content depth maximum. 0 = disallow 59 var $expandlinks = true; // expand links to fully qualified URLs. 60 // this only applies to fetchlinks() 61 // or submitlinks() 62 var $passcookies = true; // pass set cookies back through redirects 63 // NOTE: this currently does not respect 64 // dates, domains or paths. 65 66 var $user = ""; // user for http authentication 67 var $pass = ""; // password for http authentication 68 69 // http accept types 70 var $accept = "image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, */*"; 71 72 var $results = ""; // where the content is put 73 74 var $error = ""; // error messages sent here 75 var $response_code = ""; // response code returned from server 76 var $headers = array(); // headers returned from server sent here 77 var $maxlength = 500000; // max return data length (body) 78 var $read_timeout = 0; // timeout on read operations, in seconds 79 // supported only since PHP 4 Beta 4 80 // set to 0 to disallow timeouts 81 var $timed_out = false; // if a read operation timed out 82 var $status = 0; // http request status 83 84 var $curl_path = "/usr/bin/curl"; 85 // Snoopy will use cURL for fetching 86 // SSL content if a full system path to 87 // the cURL binary is supplied here. 88 // set to false if you do not have 89 // cURL installed. See http://curl.haxx.se 90 // for details on installing cURL. 91 // Snoopy does *not* use the cURL 92 // library functions built into php, 93 // as these functions are not stable 94 // as of this Snoopy release. 95 96 // send Accept-encoding: gzip? 97 var $use_gzip = true; 98 99 /**** Private variables ****/ 100 101 var $_maxlinelen = 4096; // max line length (headers) 102 103 var $_httpmethod = "GET"; // default http request method 104 var $_httpversion = "HTTP/1.0"; // default http request version 105 var $_submit_method = "POST"; // default submit method 106 var $_submit_type = "application/x-www-form-urlencoded"; // default submit type 107 var $_mime_boundary = ""; // MIME boundary for multipart/form-data submit type 108 var $_redirectaddr = false; // will be set if page fetched is a redirect 109 var $_redirectdepth = 0; // increments on an http redirect 110 var $_frameurls = array(); // frame src urls 111 var $_framedepth = 0; // increments on frame depth 112 113 var $_isproxy = false; // set if using a proxy server 114 var $_fp_timeout = 30; // timeout for socket connection 115 116 /*======================================================================*\ 117 Function: fetch 118 Purpose: fetch the contents of a web page 119 (and possibly other protocols in the 120 future like ftp, nntp, gopher, etc.) 121 Input: $URI the location of the page to fetch 122 Output: $this->results the output text from the fetch 123 \*======================================================================*/ 124 125 function fetch($URI) 126 { 127 128 //preg_match("|^([^:]+)://([^:/]+)(:[\d]+)*(.*)|",$URI,$URI_PARTS); 129 $URI_PARTS = parse_url($URI); 130 if (!empty($URI_PARTS["user"])) 131 $this->user = $URI_PARTS["user"]; 132 if (!empty($URI_PARTS["pass"])) 133 $this->pass = $URI_PARTS["pass"]; 134 135 switch($URI_PARTS["scheme"]) 136 { 137 case "http": 138 $this->host = $URI_PARTS["host"]; 139 if(!empty($URI_PARTS["port"])) 140 $this->port = $URI_PARTS["port"]; 141 if($this->_connect($fp)) 142 { 143 if($this->_isproxy) 144 { 145 // using proxy, send entire URI 146 $this->_httprequest($URI,$fp,$URI,$this->_httpmethod); 147 } 148 else 149 { 150 $path = $URI_PARTS["path"].(isset($URI_PARTS["query"]) ? "?".$URI_PARTS["query"] : ""); 151 // no proxy, send only the path 152 $this->_httprequest($path, $fp, $URI, $this->_httpmethod); 153 } 154 155 $this->_disconnect($fp); 156 157 if($this->_redirectaddr) 158 { 159 /* url was redirected, check if we've hit the max depth */ 160 if($this->maxredirs > $this->_redirectdepth) 161 { 162 // only follow redirect if it's on this site, or offsiteok is true 163 if(preg_match("|^http://".preg_quote($this->host)."|i",$this->_redirectaddr) || $this->offsiteok) 164 { 165 /* follow the redirect */ 166 $this->_redirectdepth++; 167 $this->lastredirectaddr=$this->_redirectaddr; 168 $this->fetch($this->_redirectaddr); 169 } 170 } 171 } 172 173 if($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0) 174 { 175 $frameurls = $this->_frameurls; 176 $this->_frameurls = array(); 177 178 while(list(,$frameurl) = each($frameurls)) 179 { 180 if($this->_framedepth < $this->maxframes) 181 { 182 $this->fetch($frameurl); 183 $this->_framedepth++; 184 } 185 else 186 break; 187 } 188 } 189 } 190 else 191 { 192 return false; 193 } 194 return true; 195 break; 196 case "https": 197 if(!$this->curl_path || (!is_executable($this->curl_path))) { 198 $this->error = "Bad curl ($this->curl_path), can't fetch HTTPS \n"; 199 return false; 200 } 201 $this->host = $URI_PARTS["host"]; 202 if(!empty($URI_PARTS["port"])) 203 $this->port = $URI_PARTS["port"]; 204 if($this->_isproxy) 205 { 206 // using proxy, send entire URI 207 $this->_httpsrequest($URI,$URI,$this->_httpmethod); 208 } 209 else 210 { 211 $path = $URI_PARTS["path"].($URI_PARTS["query"] ? "?".$URI_PARTS["query"] : ""); 212 // no proxy, send only the path 213 $this->_httpsrequest($path, $URI, $this->_httpmethod); 214 } 215 216 if($this->_redirectaddr) 217 { 218 /* url was redirected, check if we've hit the max depth */ 219 if($this->maxredirs > $this->_redirectdepth) 220 { 221 // only follow redirect if it's on this site, or offsiteok is true 222 if(preg_match("|^http://".preg_quote($this->host)."|i",$this->_redirectaddr) || $this->offsiteok) 223 { 224 /* follow the redirect */ 225 $this->_redirectdepth++; 226 $this->lastredirectaddr=$this->_redirectaddr; 227 $this->fetch($this->_redirectaddr); 228 } 229 } 230 } 231 232 if($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0) 233 { 234 $frameurls = $this->_frameurls; 235 $this->_frameurls = array(); 236 237 while(list(,$frameurl) = each($frameurls)) 238 { 239 if($this->_framedepth < $this->maxframes) 240 { 241 $this->fetch($frameurl); 242 $this->_framedepth++; 243 } 244 else 245 break; 246 } 247 } 248 return true; 249 break; 250 default: 251 // not a valid protocol 252 $this->error = 'Invalid protocol "'.$URI_PARTS["scheme"].'"\n'; 253 return false; 254 break; 255 } 256 return true; 257 } 258 259 260 261 /*======================================================================*\ 262 Private functions 263 \*======================================================================*/ 264 265 266 /*======================================================================*\ 267 Function: _striplinks 268 Purpose: strip the hyperlinks from an html document 269 Input: $document document to strip. 270 Output: $match an array of the links 271 \*======================================================================*/ 272 273 function _striplinks($document) 274 { 275 preg_match_all("'<\s*a\s+.*href\s*=\s* # find <a href= 276 ([\"\'])? # find single or double quote 277 (?(1) (.*?)\\1 | ([^\s\>]+)) # if quote found, match up to next matching 278 # quote, otherwise match up to next space 279 'isx",$document,$links); 280 281 282 // catenate the non-empty matches from the conditional subpattern 283 284 while(list($key,$val) = each($links[2])) 285 { 286 if(!empty($val)) 287 $match[] = $val; 288 } 289 290 while(list($key,$val) = each($links[3])) 291 { 292 if(!empty($val)) 293 $match[] = $val; 294 } 295 296 // return the links 297 return $match; 298 } 299 300 /*======================================================================*\ 301 Function: _stripform 302 Purpose: strip the form elements from an html document 303 Input: $document document to strip. 304 Output: $match an array of the links 305 \*======================================================================*/ 306 307 function _stripform($document) 308 { 309 preg_match_all("'<\/?(FORM|INPUT|SELECT|TEXTAREA|(OPTION))[^<>]*>(?(2)(.*(?=<\/?(option|select)[^<>]*>[\r\n]*)|(?=[\r\n]*))|(?=[\r\n]*))'Usi",$document,$elements); 310 311 // catenate the matches 312 $match = implode("\r\n",$elements[0]); 313 314 // return the links 315 return $match; 316 } 317 318 319 320 /*======================================================================*\ 321 Function: _striptext 322 Purpose: strip the text from an html document 323 Input: $document document to strip. 324 Output: $text the resulting text 325 \*======================================================================*/ 326 327 function _striptext($document) 328 { 329 330 // I didn't use preg eval (//e) since that is only available in PHP 4.0. 331 // so, list your entities one by one here. I included some of the 332 // more common ones. 333 334 $search = array("'<script[^>]*?>.*?</script>'si", // strip out javascript 335 "'<[\/\!]*?[^<>]*?>'si", // strip out html tags 336 "'([\r\n])[\s]+'", // strip out white space 337 "'&(quote|#34);'i", // replace html entities 338 "'&(amp|#38);'i", 339 "'&(lt|#60);'i", 340 "'&(gt|#62);'i", 341 "'&(nbsp|#160);'i", 342 "'&(iexcl|#161);'i", 343 "'&(cent|#162);'i", 344 "'&(pound|#163);'i", 345 "'&(copy|#169);'i" 346 ); 347 $replace = array( "", 348 "", 349 "\\1", 350 "\"", 351 "&", 352 "<", 353 ">", 354 " ", 355 chr(161), 356 chr(162), 357 chr(163), 358 chr(169)); 359 360 $text = preg_replace($search,$replace,$document); 361 362 return $text; 363 } 364 365 /*======================================================================*\ 366 Function: _expandlinks 367 Purpose: expand each link into a fully qualified URL 368 Input: $links the links to qualify 369 $URI the full URI to get the base from 370 Output: $expandedLinks the expanded links 371 \*======================================================================*/ 372 373 function _expandlinks($links,$URI) 374 { 375 376 preg_match("/^[^\?]+/",$URI,$match); 377 378 $match = preg_replace("|/[^\/\.]+\.[^\/\.]+$|","",$match[0]); 379 380 $search = array( "|^http://".preg_quote($this->host)."|i", 381 "|^(?!http://)(\/)?(?!mailto:)|i", 382 "|/\./|", 383 "|/[^\/]+/\.\./|" 384 ); 385 386 $replace = array( "", 387 $match."/", 388 "/", 389 "/" 390 ); 391 392 $expandedLinks = preg_replace($search,$replace,$links); 393 394 return $expandedLinks; 395 } 396 397 /*======================================================================*\ 398 Function: _httprequest 399 Purpose: go get the http data from the server 400 Input: $url the url to fetch 401 $fp the current open file pointer 402 $URI the full URI 403 $body body contents to send if any (POST) 404 Output: 405 \*======================================================================*/ 406 407 function _httprequest($url,$fp,$URI,$http_method,$content_type="",$body="") 408 { 409 if($this->passcookies && $this->_redirectaddr) 410 $this->setcookies(); 411 412 $URI_PARTS = parse_url($URI); 413 if(empty($url)) 414 $url = "/"; 415 $headers = $http_method." ".$url." ".$this->_httpversion."\r\n"; 416 if(!empty($this->agent)) 417 $headers .= "User-Agent: ".$this->agent."\r\n"; 418 if(!empty($this->host) && !isset($this->rawheaders['Host'])) 419 $headers .= "Host: ".$this->host."\r\n"; 420 if(!empty($this->accept)) 421 $headers .= "Accept: ".$this->accept."\r\n"; 422 423 if($this->use_gzip) { 424 // make sure PHP was built with --with-zlib 425 // and we can handle gzipp'ed data 426 if ( function_exists(gzinflate) ) { 427 $headers .= "Accept-encoding: gzip\r\n"; 428 } 429 else { 430 trigger_error( 431 "use_gzip is on, but PHP was built without zlib support.". 432 " Requesting file(s) without gzip encoding.", 433 E_USER_NOTICE); 434 } 435 } 436 437 if(!empty($this->referer)) 438 $headers .= "Referer: ".$this->referer."\r\n"; 439 if(!empty($this->cookies)) 440 { 441 if(!is_array($this->cookies)) 442 $this->cookies = (array)$this->cookies; 443 444 reset($this->cookies); 445 if ( count($this->cookies) > 0 ) { 446 $cookie_headers .= 'Cookie: '; 447 foreach ( $this->cookies as $cookieKey => $cookieVal ) { 448 $cookie_headers .= $cookieKey."=".urlencode($cookieVal)."; "; 449 } 450 $headers .= substr($cookie_headers,0,-2) . "\r\n"; 451 } 452 } 453 if(!empty($this->rawheaders)) 454 { 455 if(!is_array($this->rawheaders)) 456 $this->rawheaders = (array)$this->rawheaders; 457 while(list($headerKey,$headerVal) = each($this->rawheaders)) 458 $headers .= $headerKey.": ".$headerVal."\r\n"; 459 } 460 if(!empty($content_type)) { 461 $headers .= "Content-type: $content_type"; 462 if ($content_type == "multipart/form-data") 463 $headers .= "; boundary=".$this->_mime_boundary; 464 $headers .= "\r\n"; 465 } 466 if(!empty($body)) 467 $headers .= "Content-length: ".strlen($body)."\r\n"; 468 if(!empty($this->user) || !empty($this->pass)) 469 $headers .= "Authorization: BASIC ".base64_encode($this->user.":".$this->pass)."\r\n"; 470 471 $headers .= "\r\n"; 472 473 // set the read timeout if needed 474 if ($this->read_timeout > 0) 475 socket_set_timeout($fp, $this->read_timeout); 476 $this->timed_out = false; 477 478 fwrite($fp,$headers.$body,strlen($headers.$body)); 479 480 $this->_redirectaddr = false; 481 unset($this->headers); 482 483 // content was returned gzip encoded? 484 $is_gzipped = false; 485 486 while($currentHeader = fgets($fp,$this->_maxlinelen)) 487 { 488 if ($this->read_timeout > 0 && $this->_check_timeout($fp)) 489 { 490 $this->status=-100; 491 return false; 492 } 493 494 // if($currentHeader == "\r\n") 495 if(preg_match("/^\r?\n$/", $currentHeader) ) 496 break; 497 498 // if a header begins with Location: or URI:, set the redirect 499 if(preg_match("/^(Location:|URI:)/i",$currentHeader)) 500 { 501 // get URL portion of the redirect 502 preg_match("/^(Location:|URI:)\s+(.*)/",chop($currentHeader),$matches); 503 // look for :// in the Location header to see if hostname is included 504 if(!preg_match("|\:\/\/|",$matches[2])) 505 { 506 // no host in the path, so prepend 507 $this->_redirectaddr = $URI_PARTS["scheme"]."://".$this->host.":".$this->port; 508 // eliminate double slash 509 if(!preg_match("|^/|",$matches[2])) 510 $this->_redirectaddr .= "/".$matches[2]; 511 else 512 $this->_redirectaddr .= $matches[2]; 513 } 514 else 515 $this->_redirectaddr = $matches[2]; 516 } 517 518 if(preg_match("|^HTTP/|",$currentHeader)) 519 { 520 if(preg_match("|^HTTP/[^\s]*\s(.*?)\s|",$currentHeader, $status)) 521 { 522 $this->status= $status[1]; 523 } 524 $this->response_code = $currentHeader; 525 } 526 527 if (preg_match("/Content-Encoding: gzip/", $currentHeader) ) { 528 $is_gzipped = true; 529 } 530 531 $this->headers[] = $currentHeader; 532 } 533 534 # $results = fread($fp, $this->maxlength); 535 $results = ""; 536 while ( $data = fread($fp, $this->maxlength) ) { 537 $results .= $data; 538 if ( 539 strlen($results) > $this->maxlength ) { 540 break; 541 } 542 } 543 544 // gunzip 545 if ( $is_gzipped ) { 546 // per http://www.php.net/manual/en/function.gzencode.php 547 $results = substr($results, 10); 548 $results = gzinflate($results); 549 } 550 551 if ($this->read_timeout > 0 && $this->_check_timeout($fp)) 552 { 553 $this->status=-100; 554 return false; 555 } 556 557 // check if there is a a redirect meta tag 558 559 if(preg_match("'<meta[\s]*http-equiv[^>]*?content[\s]*=[\s]*[\"\']?\d+;[\s]+URL[\s]*=[\s]*([^\"\']*?)[\"\']?>'i",$results,$match)) 560 { 561 $this->_redirectaddr = $this->_expandlinks($match[1],$URI); 562 } 563 564 // have we hit our frame depth and is there frame src to fetch? 565 if(($this->_framedepth < $this->maxframes) && preg_match_all("'<frame\s+.*src[\s]*=[\'\"]?([^\'\"\>]+)'i",$results,$match)) 566 { 567 $this->results[] = $results; 568 for($x=0; $x<count($match[1]); $x++) 569 $this->_frameurls[] = $this->_expandlinks($match[1][$x],$URI_PARTS["scheme"]."://".$this->host); 570 } 571 // have we already fetched framed content? 572 elseif(is_array($this->results)) 573 $this->results[] = $results; 574 // no framed content 575 else 576 $this->results = $results; 577 578 return true; 579 } 580 581 /*======================================================================*\ 582 Function: _httpsrequest 583 Purpose: go get the https data from the server using curl 584 Input: $url the url to fetch 585 $URI the full URI 586 $body body contents to send if any (POST) 587 Output: 588 \*======================================================================*/ 589 590 function _httpsrequest($url,$URI,$http_method,$content_type="",$body="") 591 { 592 if($this->passcookies && $this->_redirectaddr) 593 $this->setcookies(); 594 595 $headers = array(); 596 597 $URI_PARTS = parse_url($URI); 598 if(empty($url)) 599 $url = "/"; 600 // GET ... header not needed for curl 601 //$headers[] = $http_method." ".$url." ".$this->_httpversion; 602 if(!empty($this->agent)) 603 $headers[] = "User-Agent: ".$this->agent; 604 if(!empty($this->host)) 605 $headers[] = "Host: ".$this->host; 606 if(!empty($this->accept)) 607 $headers[] = "Accept: ".$this->accept; 608 if(!empty($this->referer)) 609 $headers[] = "Referer: ".$this->referer; 610 if(!empty($this->cookies)) 611 { 612 if(!is_array($this->cookies)) 613 $this->cookies = (array)$this->cookies; 614 615 reset($this->cookies); 616 if ( count($this->cookies) > 0 ) { 617 $cookie_str = 'Cookie: '; 618 foreach ( $this->cookies as $cookieKey => $cookieVal ) { 619 $cookie_str .= $cookieKey."=".urlencode($cookieVal)."; "; 620 } 621 $headers[] = substr($cookie_str,0,-2); 622 } 623 } 624 if(!empty($this->rawheaders)) 625 { 626 if(!is_array($this->rawheaders)) 627 $this->rawheaders = (array)$this->rawheaders; 628 while(list($headerKey,$headerVal) = each($this->rawheaders)) 629 $headers[] = $headerKey.": ".$headerVal; 630 } 631 if(!empty($content_type)) { 632 if ($content_type == "multipart/form-data") 633 $headers[] = "Content-type: $content_type; boundary=".$this->_mime_boundary; 634 else 635 $headers[] = "Content-type: $content_type"; 636 } 637 if(!empty($body)) 638 $headers[] = "Content-length: ".strlen($body); 639 if(!empty($this->user) || !empty($this->pass)) 640 $headers[] = "Authorization: BASIC ".base64_encode($this->user.":".$this->pass); 641 642 for($curr_header = 0; $curr_header < count($headers); $curr_header++) { 643 $cmdline_params .= " -H \"".$headers[$curr_header]."\""; 644 } 645 646 if(!empty($body)) 647 $cmdline_params .= " -d \"$body\""; 648 649 if($this->read_timeout > 0) 650 $cmdline_params .= " -m ".$this->read_timeout; 651 652 $headerfile = uniqid(time()); 653 654 # accept self-signed certs 655 $cmdline_params .= " -k"; 656 exec($this->curl_path." -D \"/tmp/$headerfile\"".escapeshellcmd($cmdline_params)." ".escapeshellcmd($URI),$results,$return); 657 658 if($return) 659 { 660 $this->error = "Error: cURL could not retrieve the document, error $return."; 661 return false; 662 } 663 664 665 $results = implode("\r\n",$results); 666 667 $result_headers = file("/tmp/$headerfile"); 668 669 $this->_redirectaddr = false; 670 unset($this->headers); 671 672 for($currentHeader = 0; $currentHeader < count($result_headers); $currentHeader++) 673 { 674 675 // if a header begins with Location: or URI:, set the redirect 676 if(preg_match("/^(Location: |URI: )/i",$result_headers[$currentHeader])) 677 { 678 // get URL portion of the redirect 679 preg_match("/^(Location: |URI:)(.*)/",chop($result_headers[$currentHeader]),$matches); 680 // look for :// in the Location header to see if hostname is included 681 if(!preg_match("|\:\/\/|",$matches[2])) 682 { 683 // no host in the path, so prepend 684 $this->_redirectaddr = $URI_PARTS["scheme"]."://".$this->host.":".$this->port; 685 // eliminate double slash 686 if(!preg_match("|^/|",$matches[2])) 687 $this->_redirectaddr .= "/".$matches[2]; 688 else 689 $this->_redirectaddr .= $matches[2]; 690 } 691 else 692 $this->_redirectaddr = $matches[2]; 693 } 694 695 if(preg_match("|^HTTP/|",$result_headers[$currentHeader])) 696 { 697 $this->response_code = $result_headers[$currentHeader]; 698 if(preg_match("|^HTTP/[^\s]*\s(.*?)\s|",$this->response_code, $match)) 699 { 700 $this->status= $match[1]; 701 } 702 } 703 $this->headers[] = $result_headers[$currentHeader]; 704 } 705 706 // check if there is a a redirect meta tag 707 708 if(preg_match("'<meta[\s]*http-equiv[^>]*?content[\s]*=[\s]*[\"\']?\d+;[\s]+URL[\s]*=[\s]*([^\"\']*?)[\"\']?>'i",$results,$match)) 709 { 710 $this->_redirectaddr = $this->_expandlinks($match[1],$URI); 711 } 712 713 // have we hit our frame depth and is there frame src to fetch? 714 if(($this->_framedepth < $this->maxframes) && preg_match_all("'<frame\s+.*src[\s]*=[\'\"]?([^\'\"\>]+)'i",$results,$match)) 715 { 716 $this->results[] = $results; 717 for($x=0; $x<count($match[1]); $x++) 718 $this->_frameurls[] = $this->_expandlinks($match[1][$x],$URI_PARTS["scheme"]."://".$this->host); 719 } 720 // have we already fetched framed content? 721 elseif(is_array($this->results)) 722 $this->results[] = $results; 723 // no framed content 724 else 725 $this->results = $results; 726 727 unlink("/tmp/$headerfile"); 728 729 return true; 730 } 731 732 /*======================================================================*\ 733 Function: setcookies() 734 Purpose: set cookies for a redirection 735 \*======================================================================*/ 736 737 function setcookies() 738 { 739 for($x=0; $x<count($this->headers); $x++) 740 { 741 if(preg_match("/^set-cookie:[\s]+([^=]+)=([^;]+)/i", $this->headers[$x],$match)) 742 $this->cookies[$match[1]] = $match[2]; 743 } 744 } 745 746 747 /*======================================================================*\ 748 Function: _check_timeout 749 Purpose: checks whether timeout has occurred 750 Input: $fp file pointer 751 \*======================================================================*/ 752 753 function _check_timeout($fp) 754 { 755 if ($this->read_timeout > 0) { 756 $fp_status = socket_get_status($fp); 757 if ($fp_status["timed_out"]) { 758 $this->timed_out = true; 759 return true; 760 } 761 } 762 return false; 763 } 764 765 /*======================================================================*\ 766 Function: _connect 767 Purpose: make a socket connection 768 Input: $fp file pointer 769 \*======================================================================*/ 770 771 function _connect(&$fp) 772 { 773 if(!empty($this->proxy_host) && !empty($this->proxy_port)) 774 { 775 $this->_isproxy = true; 776 $host = $this->proxy_host; 777 $port = $this->proxy_port; 778 } 779 else 780 { 781 $host = $this->host; 782 $port = $this->port; 783 } 784 785 $this->status = 0; 786 787 if($fp = fsockopen( 788 $host, 789 $port, 790 $errno, 791 $errstr, 792 $this->_fp_timeout 793 )) 794 { 795 // socket connection succeeded 796 797 return true; 798 } 799 else 800 { 801 // socket connection failed 802 $this->status = $errno; 803 switch($errno) 804 { 805 case -3: 806 $this->error="socket creation failed (-3)"; 807 case -4: 808 $this->error="dns lookup failure (-4)"; 809 case -5: 810 $this->error="connection refused or timed out (-5)"; 811 default: 812 $this->error="connection failed (".$errno.")"; 813 } 814 return false; 815 } 816 } 817 /*======================================================================*\ 818 Function: _disconnect 819 Purpose: disconnect a socket connection 820 Input: $fp file pointer 821 \*======================================================================*/ 822 823 function _disconnect($fp) 824 { 825 return(fclose($fp)); 826 } 827 828 829 /*======================================================================*\ 830 Function: _prepare_post_body 831 Purpose: Prepare post body according to encoding type 832 Input: $formvars - form variables 833 $formfiles - form upload files 834 Output: post body 835 \*======================================================================*/ 836 837 function _prepare_post_body($formvars, $formfiles) 838 { 839 settype($formvars, "array"); 840 settype($formfiles, "array"); 841 842 if (count($formvars) == 0 && count($formfiles) == 0) 843 return; 844 845 switch ($this->_submit_type) { 846 case "application/x-www-form-urlencoded": 847 reset($formvars); 848 while(list($key,$val) = each($formvars)) { 849 if (is_array($val) || is_object($val)) { 850 while (list($cur_key, $cur_val) = each($val)) { 851 $postdata .= urlencode($key)."[]=".urlencode($cur_val)."&"; 852 } 853 } else 854 $postdata .= urlencode($key)."=".urlencode($val)."&"; 855 } 856 break; 857 858 case "multipart/form-data": 859 $this->_mime_boundary = "Snoopy".md5(uniqid(microtime())); 860 861 reset($formvars); 862 while(list($key,$val) = each($formvars)) { 863 if (is_array($val) || is_object($val)) { 864 while (list($cur_key, $cur_val) = each($val)) { 865 $postdata .= "--".$this->_mime_boundary."\r\n"; 866 $postdata .= "Content-Disposition: form-data; name=\"$key\[\]\"\r\n\r\n"; 867 $postdata .= "$cur_val\r\n"; 868 } 869 } else { 870 $postdata .= "--".$this->_mime_boundary."\r\n"; 871 $postdata .= "Content-Disposition: form-data; name=\"$key\"\r\n\r\n"; 872 $postdata .= "$val\r\n"; 873 } 874 } 875 876 reset($formfiles); 877 while (list($field_name, $file_names) = each($formfiles)) { 878 settype($file_names, "array"); 879 while (list(, $file_name) = each($file_names)) { 880 if (!is_readable($file_name)) continue; 881 882 $fp = fopen($file_name, "r"); 883 $file_content = fread($fp, filesize($file_name)); 884 fclose($fp); 885 $base_name = basename($file_name); 886 887 $postdata .= "--".$this->_mime_boundary."\r\n"; 888 $postdata .= "Content-Disposition: form-data; name=\"$field_name\"; filename=\"$base_name\"\r\n\r\n"; 889 $postdata .= "$file_content\r\n"; 890 } 891 } 892 $postdata .= "--".$this->_mime_boundary."--\r\n"; 893 break; 894 } 895 896 return $postdata; 897 } 898 } 899 900 ?>
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| Généré le : Mon Nov 26 21:04:15 2007 | par Balluche grâce à PHPXref 0.7 |
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