Snoopy.class.php
上传用户:stephen_wu
上传日期:2008-07-05
资源大小:1757k
文件大小:39k
- <?php
- /*************************************************
- * $Id: Snoopy.class.php 361 2006-08-07 09:30:31Z beat $
- Snoopy - the PHP net client
- Author: Monte Ohrt <monte@ispi.net>
- Copyright (c): 1999-2000 ispi, all rights reserved
- Version: 1.2.3 + 2 fixes marked "//BB" (bugs 1482144 and 1192125 on sourceforge)
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- You may contact the author of Snoopy by e-mail at:
- monte@ispi.net
- Or, write to:
- Monte Ohrt
- CTO, ispi
- 237 S. 70th suite 220
- Lincoln, NE 68510
- The latest version of Snoopy can be obtained from:
- http://snoopy.sourceforge.net/
- *************************************************/
- class Snoopy
- {
- /**** Public variables ****/
-
- /* user definable vars */
- var $host = "www.php.net"; // host name we are connecting to
- var $port = 80; // port we are connecting to
- var $proxy_host = ""; // proxy host to use
- var $proxy_port = ""; // proxy port to use
- var $proxy_user = ""; // proxy user to use
- var $proxy_pass = ""; // proxy password to use
-
- var $agent = "Snoopy v1.2.3"; // agent we masquerade as
- var $referer = ""; // referer info to pass
- var $cookies = array(); // array of cookies to pass
- // $cookies["username"]="joe";
- var $rawheaders = array(); // array of raw headers to send
- // $rawheaders["Content-type"]="text/html";
- var $maxredirs = 5; // http redirection depth maximum. 0 = disallow
- var $lastredirectaddr = ""; // contains address of last redirected address
- var $offsiteok = true; // allows redirection off-site
- var $maxframes = 0; // frame content depth maximum. 0 = disallow
- var $expandlinks = true; // expand links to fully qualified URLs.
- // this only applies to fetchlinks()
- // submitlinks(), and submittext()
- var $passcookies = true; // pass set cookies back through redirects
- // NOTE: this currently does not respect
- // dates, domains or paths.
-
- var $user = ""; // user for http authentication
- var $pass = ""; // password for http authentication
-
- // http accept types
- var $accept = "image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, */*";
-
- var $results = ""; // where the content is put
-
- var $error = ""; // error messages sent here
- var $response_code = ""; // response code returned from server
- var $headers = array(); // headers returned from server sent here
- var $maxlength = 500000; // max return data length (body)
- var $read_timeout = 0; // timeout on read operations, in seconds
- // supported only since PHP 4 Beta 4
- // set to 0 to disallow timeouts
- var $timed_out = false; // if a read operation timed out
- var $status = 0; // http request status
- var $temp_dir = "/tmp"; // temporary directory that the webserver
- // has permission to write to.
- // under Windows, this should be C:temp
- var $curl_path = "/usr/local/bin/curl";
- // Snoopy will use cURL for fetching
- // SSL content if a full system path to
- // the cURL binary is supplied here.
- // set to false if you do not have
- // cURL installed. See http://curl.haxx.se
- // for details on installing cURL.
- // Snoopy does *not* use the cURL
- // library functions built into php,
- // as these functions are not stable
- // as of this Snoopy release.
-
- /**** Private variables ****/
-
- var $_maxlinelen = 4096; // max line length (headers)
-
- var $_httpmethod = "GET"; // default http request method
- var $_httpversion = "HTTP/1.0"; // default http request version
- var $_submit_method = "POST"; // default submit method
- var $_submit_type = "application/x-www-form-urlencoded"; // default submit type
- var $_mime_boundary = ""; // MIME boundary for multipart/form-data submit type
- var $_redirectaddr = false; // will be set if page fetched is a redirect
- var $_redirectdepth = 0; // increments on an http redirect
- var $_frameurls = array(); // frame src urls
- var $_framedepth = 0; // increments on frame depth
-
- var $_isproxy = false; // set if using a proxy server
- var $_fp_timeout = 30; // timeout for socket connection
- /*======================================================================*
- Function: fetch
- Purpose: fetch the contents of a web page
- (and possibly other protocols in the
- future like ftp, nntp, gopher, etc.)
- Input: $URI the location of the page to fetch
- Output: $this->results the output text from the fetch
- *======================================================================*/
- function fetch($URI)
- {
-
- //preg_match("|^([^:]+)://([^:/]+)(:[d]+)*(.*)|",$URI,$URI_PARTS);
- $URI_PARTS = parse_url($URI);
- if (!empty($URI_PARTS["user"]))
- $this->user = $URI_PARTS["user"];
- if (!empty($URI_PARTS["pass"]))
- $this->pass = $URI_PARTS["pass"];
- if (empty($URI_PARTS["query"]))
- $URI_PARTS["query"] = '';
- if (empty($URI_PARTS["path"]))
- $URI_PARTS["path"] = '';
-
- switch(strtolower($URI_PARTS["scheme"]))
- {
- case "http":
- $this->host = $URI_PARTS["host"];
- if(!empty($URI_PARTS["port"]))
- $this->port = $URI_PARTS["port"];
- $fp = null;
- if($this->_connect($fp))
- {
- if($this->_isproxy)
- {
- // using proxy, send entire URI
- $this->_httprequest($URI,$fp,$URI,$this->_httpmethod);
- }
- else
- {
- $path = $URI_PARTS["path"].($URI_PARTS["query"] ? "?".$URI_PARTS["query"] : "");
- // no proxy, send only the path
- $this->_httprequest($path, $fp, $URI, $this->_httpmethod);
- }
-
- $this->_disconnect($fp);
- if($this->_redirectaddr)
- {
- /* url was redirected, check if we've hit the max depth */
- if($this->maxredirs > $this->_redirectdepth)
- {
- // only follow redirect if it's on this site, or offsiteok is true
- if(preg_match("|^http://".preg_quote($this->host)."|i",$this->_redirectaddr) || $this->offsiteok)
- {
- /* follow the redirect */
- ++$this->_redirectdepth;
- $this->lastredirectaddr=$this->_redirectaddr;
- $this->fetch($this->_redirectaddr);
- }
- }
- }
- if($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0)
- {
- $frameurls = $this->_frameurls;
- $this->_frameurls = array();
-
- while(list(,$frameurl) = each($frameurls))
- {
- if($this->_framedepth < $this->maxframes)
- {
- $this->fetch($frameurl);
- ++$this->_framedepth;
- }
- else
- break;
- }
- }
- }
- else
- {
- return false;
- }
- return true;
- break;
- case "https":
- if(!$this->curl_path) {
- return false;
- }
- if(function_exists("is_executable")) {
- if (!is_executable($this->curl_path)) {
- return false;
- }
- }
- $this->host = $URI_PARTS["host"];
- if(!empty($URI_PARTS["port"]))
- $this->port = $URI_PARTS["port"];
- if($this->_isproxy)
- {
- // using proxy, send entire URI
- $this->_httpsrequest($URI,$URI,$this->_httpmethod);
- }
- else
- {
- $path = $URI_PARTS["path"].($URI_PARTS["query"] ? "?".$URI_PARTS["query"] : "");
- // no proxy, send only the path
- $this->_httpsrequest($path, $URI, $this->_httpmethod);
- }
- if($this->_redirectaddr)
- {
- /* url was redirected, check if we've hit the max depth */
- if($this->maxredirs > $this->_redirectdepth)
- {
- // only follow redirect if it's on this site, or offsiteok is true
- if(preg_match("|^http://".preg_quote($this->host)."|i",$this->_redirectaddr) || $this->offsiteok)
- {
- /* follow the redirect */
- ++$this->_redirectdepth;
- $this->lastredirectaddr=$this->_redirectaddr;
- $this->fetch($this->_redirectaddr);
- }
- }
- }
- if($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0)
- {
- $frameurls = $this->_frameurls;
- $this->_frameurls = array();
- while(list(,$frameurl) = each($frameurls))
- {
- if($this->_framedepth < $this->maxframes)
- {
- $this->fetch($frameurl);
- ++$this->_framedepth;
- }
- else
- break;
- }
- }
- return true;
- break;
- default:
- // not a valid protocol
- $this->error = 'Invalid protocol "'.$URI_PARTS["scheme"].'"n';
- return false;
- break;
- }
- }
- /*======================================================================*
- Function: submit
- Purpose: submit an http form
- Input: $URI the location to post the data
- $formvars the formvars to use.
- format: $formvars["var"] = "val";
- $formfiles an array of files to submit
- format: $formfiles["var"] = "/dir/filename.ext";
- Output: $this->results the text output from the post
- *======================================================================*/
- function submit($URI, $formvars="", $formfiles="")
- {
- $postdata = $this->_prepare_post_body($formvars, $formfiles);
-
- $URI_PARTS = parse_url($URI);
- if (!empty($URI_PARTS["user"]))
- $this->user = $URI_PARTS["user"];
- if (!empty($URI_PARTS["pass"]))
- $this->pass = $URI_PARTS["pass"];
- if (empty($URI_PARTS["query"]))
- $URI_PARTS["query"] = '';
- if (empty($URI_PARTS["path"]))
- $URI_PARTS["path"] = '';
- switch(strtolower($URI_PARTS["scheme"]))
- {
- case "http":
- $this->host = $URI_PARTS["host"];
- if(!empty($URI_PARTS["port"]))
- $this->port = $URI_PARTS["port"];
- $fp = null;
- if($this->_connect($fp))
- {
- if($this->_isproxy)
- {
- // using proxy, send entire URI
- $this->_httprequest($URI,$fp,$URI,$this->_submit_method,$this->_submit_type,$postdata);
- }
- else
- {
- $path = $URI_PARTS["path"].($URI_PARTS["query"] ? "?".$URI_PARTS["query"] : "");
- // no proxy, send only the path
- $this->_httprequest($path, $fp, $URI, $this->_submit_method, $this->_submit_type, $postdata);
- }
-
- $this->_disconnect($fp);
- if($this->_redirectaddr)
- {
- /* url was redirected, check if we've hit the max depth */
- if($this->maxredirs > $this->_redirectdepth)
- {
- if(!preg_match("|^".$URI_PARTS["scheme"]."://|", $this->_redirectaddr))
- $this->_redirectaddr = $this->_expandlinks($this->_redirectaddr,$URI_PARTS["scheme"]."://".$URI_PARTS["host"]);
-
- // only follow redirect if it's on this site, or offsiteok is true
- if(preg_match("|^http://".preg_quote($this->host)."|i",$this->_redirectaddr) || $this->offsiteok)
- {
- /* follow the redirect */
- ++$this->_redirectdepth;
- $this->lastredirectaddr=$this->_redirectaddr;
- if( strpos( $this->_redirectaddr, "?" ) > 0 )
- $this->fetch($this->_redirectaddr); // the redirect has changed the request method from post to get
- else
- $this->submit($this->_redirectaddr,$formvars, $formfiles);
- }
- }
- }
- if($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0)
- {
- $frameurls = $this->_frameurls;
- $this->_frameurls = array();
-
- while(list(,$frameurl) = each($frameurls))
- {
- if($this->_framedepth < $this->maxframes)
- {
- $this->fetch($frameurl);
- ++$this->_framedepth;
- }
- else
- break;
- }
- }
-
- }
- else
- {
- return false;
- }
- return true;
- break;
- case "https":
- if(!$this->curl_path)
- return false;
- if(function_exists("is_executable")) {
- if (!is_executable($this->curl_path)) {
- return false;
- }
- }
- $this->host = $URI_PARTS["host"];
- if(!empty($URI_PARTS["port"]))
- $this->port = $URI_PARTS["port"];
- if($this->_isproxy)
- {
- // using proxy, send entire URI
- $this->_httpsrequest($URI, $URI, $this->_submit_method, $this->_submit_type, $postdata);
- }
- else
- {
- $path = $URI_PARTS["path"].($URI_PARTS["query"] ? "?".$URI_PARTS["query"] : "");
- // no proxy, send only the path
- $this->_httpsrequest($path, $URI, $this->_submit_method, $this->_submit_type, $postdata);
- }
- if($this->_redirectaddr)
- {
- /* url was redirected, check if we've hit the max depth */
- if($this->maxredirs > $this->_redirectdepth)
- {
- if(!preg_match("|^".$URI_PARTS["scheme"]."://|", $this->_redirectaddr))
- $this->_redirectaddr = $this->_expandlinks($this->_redirectaddr,$URI_PARTS["scheme"]."://".$URI_PARTS["host"]);
- // only follow redirect if it's on this site, or offsiteok is true
- if(preg_match("|^http://".preg_quote($this->host)."|i",$this->_redirectaddr) || $this->offsiteok)
- {
- /* follow the redirect */
- ++$this->_redirectdepth;
- $this->lastredirectaddr=$this->_redirectaddr;
- if( strpos( $this->_redirectaddr, "?" ) > 0 )
- $this->fetch($this->_redirectaddr); // the redirect has changed the request method from post to get
- else
- $this->submit($this->_redirectaddr,$formvars, $formfiles);
- }
- }
- }
- if($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0)
- {
- $frameurls = $this->_frameurls;
- $this->_frameurls = array();
- while(list(,$frameurl) = each($frameurls))
- {
- if($this->_framedepth < $this->maxframes)
- {
- $this->fetch($frameurl);
- ++$this->_framedepth;
- }
- else
- break;
- }
- }
- return true;
- break;
-
- default:
- // not a valid protocol
- $this->error = 'Invalid protocol "'.$URI_PARTS["scheme"].'"n';
- return false;
- break;
- }
- }
- /*======================================================================*
- Function: fetchlinks
- Purpose: fetch the links from a web page
- Input: $URI where you are fetching from
- Output: $this->results an array of the URLs
- *======================================================================*/
- function fetchlinks($URI)
- {
- if ($this->fetch($URI))
- {
- if($this->lastredirectaddr)
- $URI = $this->lastredirectaddr;
- if(is_array($this->results))
- {
- for($x=0;$x<count($this->results);$x++)
- $this->results[$x] = $this->_striplinks($this->results[$x]);
- }
- else
- $this->results = $this->_striplinks($this->results);
- if($this->expandlinks)
- $this->results = $this->_expandlinks($this->results, $URI);
- return true;
- }
- else
- return false;
- }
- /*======================================================================*
- Function: fetchform
- Purpose: fetch the form elements from a web page
- Input: $URI where you are fetching from
- Output: $this->results the resulting html form
- *======================================================================*/
- function fetchform($URI)
- {
-
- if ($this->fetch($URI))
- {
- if(is_array($this->results))
- {
- for($x=0;$x<count($this->results);$x++)
- $this->results[$x] = $this->_stripform($this->results[$x]);
- }
- else
- $this->results = $this->_stripform($this->results);
-
- return true;
- }
- else
- return false;
- }
-
-
- /*======================================================================*
- Function: fetchtext
- Purpose: fetch the text from a web page, stripping the links
- Input: $URI where you are fetching from
- Output: $this->results the text from the web page
- *======================================================================*/
- function fetchtext($URI)
- {
- if($this->fetch($URI))
- {
- if(is_array($this->results))
- {
- for($x=0;$x<count($this->results);$x++)
- $this->results[$x] = $this->_striptext($this->results[$x]);
- }
- else
- $this->results = $this->_striptext($this->results);
- return true;
- }
- else
- return false;
- }
- /*======================================================================*
- Function: submitlinks
- Purpose: grab links from a form submission
- Input: $URI where you are submitting from
- Output: $this->results an array of the links from the post
- *======================================================================*/
- function submitlinks($URI, $formvars="", $formfiles="")
- {
- if($this->submit($URI,$formvars, $formfiles))
- {
- if($this->lastredirectaddr)
- $URI = $this->lastredirectaddr;
- if(is_array($this->results))
- {
- for($x=0;$x<count($this->results);$x++)
- {
- $this->results[$x] = $this->_striplinks($this->results[$x]);
- if($this->expandlinks)
- $this->results[$x] = $this->_expandlinks($this->results[$x],$URI);
- }
- }
- else
- {
- $this->results = $this->_striplinks($this->results);
- if($this->expandlinks)
- $this->results = $this->_expandlinks($this->results,$URI);
- }
- return true;
- }
- else
- return false;
- }
- /*======================================================================*
- Function: submittext
- Purpose: grab text from a form submission
- Input: $URI where you are submitting from
- Output: $this->results the text from the web page
- *======================================================================*/
- function submittext($URI, $formvars = "", $formfiles = "")
- {
- if($this->submit($URI,$formvars, $formfiles))
- {
- if($this->lastredirectaddr)
- $URI = $this->lastredirectaddr;
- if(is_array($this->results))
- {
- for($x=0;$x<count($this->results);$x++)
- {
- $this->results[$x] = $this->_striptext($this->results[$x]);
- if($this->expandlinks)
- $this->results[$x] = $this->_expandlinks($this->results[$x],$URI);
- }
- }
- else
- {
- $this->results = $this->_striptext($this->results);
- if($this->expandlinks)
- $this->results = $this->_expandlinks($this->results,$URI);
- }
- return true;
- }
- else
- return false;
- }
-
- /*======================================================================*
- Function: set_submit_multipart
- Purpose: Set the form submission content type to
- multipart/form-data
- *======================================================================*/
- function set_submit_multipart()
- {
- $this->_submit_type = "multipart/form-data";
- }
-
- /*======================================================================*
- Function: set_submit_normal
- Purpose: Set the form submission content type to
- application/x-www-form-urlencoded
- *======================================================================*/
- function set_submit_normal()
- {
- $this->_submit_type = "application/x-www-form-urlencoded";
- }
- /*======================================================================*
- Function: set_submit_xml
- Purpose: Set the form submission content type to
- text/xml
- *======================================================================*/
- function set_submit_xml() //BB: function added.
- {
- $this->_submit_type = "text/xml";
- }
-
-
- /*======================================================================*
- Private functions
- *======================================================================*/
-
-
- /*======================================================================*
- Function: _striplinks
- Purpose: strip the hyperlinks from an html document
- Input: $document document to strip.
- Output: $match an array of the links
- *======================================================================*/
- function _striplinks($document)
- {
- $links = null;
- preg_match_all("'<\s*a\s.*?href\s*=\s* # find <a href=
- (["\'])? # find single or double quote
- (?(1) (.*?)\1 | ([^\s\>]+)) # if quote found, match up to next matching
- # quote, otherwise match up to next space
- 'isx",$document,$links);
-
- // catenate the non-empty matches from the conditional subpattern
- while(list($key,$val) = each($links[2]))
- {
- if(!empty($val))
- $match[] = $val;
- }
-
- while(list($key,$val) = each($links[3]))
- {
- if(!empty($val))
- $match[] = $val;
- }
-
- // return the links
- return $match;
- }
- /*======================================================================*
- Function: _stripform
- Purpose: strip the form elements from an html document
- Input: $document document to strip.
- Output: $match an array of the links
- *======================================================================*/
- function _stripform($document)
- {
- $elements = null;
- preg_match_all("'<\/?(FORM|INPUT|SELECT|TEXTAREA|(OPTION))[^<>]*>(?(2)(.*(?=<\/?(option|select)[^<>]*>[rn]*)|(?=[rn]*))|(?=[rn]*))'Usi",$document,$elements);
-
- // catenate the matches
- $match = implode("rn",$elements[0]);
-
- // return the links
- return $match;
- }
-
-
- /*======================================================================*
- Function: _striptext
- Purpose: strip the text from an html document
- Input: $document document to strip.
- Output: $text the resulting text
- *======================================================================*/
- function _striptext($document)
- {
-
- // I didn't use preg eval (//e) since that is only available in PHP 4.0.
- // so, list your entities one by one here. I included some of the
- // more common ones.
-
- $search = array("'<script[^>]*?>.*?</script>'si", // strip out javascript
- "'<[\/\!]*?[^<>]*?>'si", // strip out html tags
- "'([rn])[\s]+'", // strip out white space
- "'&(quot|#34|#034|#x22);'i", // replace html entities
- "'&(amp|#38|#038|#x26);'i", // added hexadecimal values
- "'&(lt|#60|#060|#x3c);'i",
- "'&(gt|#62|#062|#x3e);'i",
- "'&(nbsp|#160|#xa0);'i",
- "'&(iexcl|#161);'i",
- "'&(cent|#162);'i",
- "'&(pound|#163);'i",
- "'&(copy|#169);'i",
- "'&(reg|#174);'i",
- "'&(deg|#176);'i",
- "'&(#39|#039|#x27);'",
- "'&(euro|#8364);'i", // europe
- "'&a(uml|UML);'", // german
- "'&o(uml|UML);'",
- "'&u(uml|UML);'",
- "'&A(uml|UML);'",
- "'&O(uml|UML);'",
- "'&U(uml|UML);'",
- "'ß'i",
- );
- $replace = array( "",
- "",
- "\1",
- """,
- "&",
- "<",
- ">",
- " ",
- chr(161),
- chr(162),
- chr(163),
- chr(169),
- chr(174),
- chr(176),
- chr(39),
- chr(128),
- "