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+<?php
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+
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+/*************************************************
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+
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+Snoopy - the PHP net client
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+Author: Monte Ohrt <monte@ispi.net>
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+Copyright (c): 1999-2000 ispi, all rights reserved
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+Version: 1.0
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+
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+ * This library is free software; you can redistribute it and/or
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+ * modify it under the terms of the GNU Lesser General Public
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+ * License as published by the Free Software Foundation; either
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+ * version 2.1 of the License, or (at your option) any later version.
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+ *
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+ * This library is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ * Lesser General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU Lesser General Public
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+ * License along with this library; if not, write to the Free Software
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+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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+
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+You may contact the author of Snoopy by e-mail at:
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+monte@ispi.net
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+
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+Or, write to:
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+Monte Ohrt
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+CTO, ispi
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+237 S. 70th suite 220
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+Lincoln, NE 68510
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+
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+The latest version of Snoopy can be obtained from:
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+http://snoopy.sourceforge.com
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+
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+*************************************************/
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+
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+class Snoopy
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+{
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+ /**** Public variables ****/
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+
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+ /* user definable vars */
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+
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+ var $host = "www.php.net"; // host name we are connecting to
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+ var $port = 80; // port we are connecting to
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+ var $proxy_host = ""; // proxy host to use
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+ var $proxy_port = ""; // proxy port to use
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+ var $agent = "Snoopy v1.0"; // agent we masquerade as
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+ var $referer = ""; // referer info to pass
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+ var $cookies = array(); // array of cookies to pass
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+ // $cookies["username"]="joe";
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+ var $rawheaders = array(); // array of raw headers to send
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+ // $rawheaders["Content-type"]="text/html";
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+
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+ var $maxredirs = 5; // http redirection depth maximum. 0 = disallow
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+ var $lastredirectaddr = ""; // contains address of last redirected address
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+ var $offsiteok = true; // allows redirection off-site
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+ var $maxframes = 0; // frame content depth maximum. 0 = disallow
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+ var $expandlinks = true; // expand links to fully qualified URLs.
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+ // this only applies to fetchlinks()
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+ // or submitlinks()
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+ var $passcookies = true; // pass set cookies back through redirects
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+ // NOTE: this currently does not respect
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+ // dates, domains or paths.
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+
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+ var $user = ""; // user for http authentication
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+ var $pass = ""; // password for http authentication
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+
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+ // http accept types
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+ var $accept = "image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, */*";
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+
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+ var $results = ""; // where the content is put
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+
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+ var $error = ""; // error messages sent here
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+ var $response_code = ""; // response code returned from server
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+ var $headers = array(); // headers returned from server sent here
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+ var $maxlength = 500000; // max return data length (body)
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+ var $read_timeout = 0; // timeout on read operations, in seconds
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+ // supported only since PHP 4 Beta 4
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+ // set to 0 to disallow timeouts
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+ var $timed_out = false; // if a read operation timed out
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+ var $status = 0; // http request status
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+
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+ var $curl_path = "/usr/bin/curl";
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+ // Snoopy will use cURL for fetching
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+ // SSL content if a full system path to
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+ // the cURL binary is supplied here.
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+ // set to false if you do not have
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+ // cURL installed. See http://curl.haxx.se
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+ // for details on installing cURL.
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+ // Snoopy does *not* use the cURL
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+ // library functions built into php,
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+ // as these functions are not stable
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+ // as of this Snoopy release.
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+
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+ // send Accept-encoding: gzip?
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+ var $use_gzip = true;
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+
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+ /**** Private variables ****/
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+
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+ var $_maxlinelen = 4096; // max line length (headers)
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+
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+ var $_httpmethod = "GET"; // default http request method
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+ var $_httpversion = "HTTP/1.0"; // default http request version
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+ var $_submit_method = "POST"; // default submit method
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+ var $_submit_type = "application/x-www-form-urlencoded"; // default submit type
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+ var $_mime_boundary = ""; // MIME boundary for multipart/form-data submit type
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+ var $_redirectaddr = false; // will be set if page fetched is a redirect
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+ var $_redirectdepth = 0; // increments on an http redirect
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+ var $_frameurls = array(); // frame src urls
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+ var $_framedepth = 0; // increments on frame depth
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+
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+ var $_isproxy = false; // set if using a proxy server
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+ var $_fp_timeout = 30; // timeout for socket connection
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+
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+/*======================================================================*\
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+ Function: fetch
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+ Purpose: fetch the contents of a web page
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+ (and possibly other protocols in the
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+ future like ftp, nntp, gopher, etc.)
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+ Input: $URI the location of the page to fetch
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+ Output: $this->results the output text from the fetch
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+\*======================================================================*/
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+
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+ function fetch($URI)
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+ {
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+
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+ //preg_match("|^([^:]+)://([^:/]+)(:[\d]+)*(.*)|",$URI,$URI_PARTS);
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+ $URI_PARTS = parse_url($URI);
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+ if (!empty($URI_PARTS["user"]))
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+ $this->user = $URI_PARTS["user"];
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+ if (!empty($URI_PARTS["pass"]))
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+ $this->pass = $URI_PARTS["pass"];
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+
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+ switch($URI_PARTS["scheme"])
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+ {
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+ case "http":
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+ $this->host = $URI_PARTS["host"];
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+ if(!empty($URI_PARTS["port"]))
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+ $this->port = $URI_PARTS["port"];
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+ if($this->_connect($fp))
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+ {
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+ if($this->_isproxy)
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+ {
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+ // using proxy, send entire URI
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+ $this->_httprequest($URI,$fp,$URI,$this->_httpmethod);
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+ }
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+ else
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+ {
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+ $path = $URI_PARTS["path"].(isset($URI_PARTS["query"]) ? "?".$URI_PARTS["query"] : "");
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+ // no proxy, send only the path
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+ $this->_httprequest($path, $fp, $URI, $this->_httpmethod);
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+ }
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+
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+ $this->_disconnect($fp);
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+
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+ if($this->_redirectaddr)
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+ {
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+ /* url was redirected, check if we've hit the max depth */
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+ if($this->maxredirs > $this->_redirectdepth)
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+ {
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+ // only follow redirect if it's on this site, or offsiteok is true
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+ if(preg_match("|^http://".preg_quote($this->host)."|i",$this->_redirectaddr) || $this->offsiteok)
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+ {
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+ /* follow the redirect */
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+ $this->_redirectdepth++;
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+ $this->lastredirectaddr=$this->_redirectaddr;
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+ $this->fetch($this->_redirectaddr);
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+ }
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+ }
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+ }
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+
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+ if($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0)
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+ {
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+ $frameurls = $this->_frameurls;
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+ $this->_frameurls = array();
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+
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+ while(list(,$frameurl) = each($frameurls))
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+ {
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+ if($this->_framedepth < $this->maxframes)
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+ {
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+ $this->fetch($frameurl);
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+ $this->_framedepth++;
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+ }
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+ else
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+ break;
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+ }
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+ }
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+ }
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+ else
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+ {
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+ return false;
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+ }
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+ return true;
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+ break;
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+ case "https":
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+ if(!$this->curl_path || (!is_executable($this->curl_path))) {
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+ $this->error = "Bad curl ($this->curl_path), can't fetch HTTPS \n";
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+ return false;
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+ }
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+ $this->host = $URI_PARTS["host"];
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+ if(!empty($URI_PARTS["port"]))
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+ $this->port = $URI_PARTS["port"];
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+ if($this->_isproxy)
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+ {
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+ // using proxy, send entire URI
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+ $this->_httpsrequest($URI,$URI,$this->_httpmethod);
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+ }
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+ else
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+ {
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+ $path = $URI_PARTS["path"].($URI_PARTS["query"] ? "?".$URI_PARTS["query"] : "");
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+ // no proxy, send only the path
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+ $this->_httpsrequest($path, $URI, $this->_httpmethod);
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+ }
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+
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+ if($this->_redirectaddr)
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+ {
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+ /* url was redirected, check if we've hit the max depth */
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+ if($this->maxredirs > $this->_redirectdepth)
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+ {
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+ // only follow redirect if it's on this site, or offsiteok is true
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+ if(preg_match("|^http://".preg_quote($this->host)."|i",$this->_redirectaddr) || $this->offsiteok)
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+ {
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+ /* follow the redirect */
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+ $this->_redirectdepth++;
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+ $this->lastredirectaddr=$this->_redirectaddr;
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+ $this->fetch($this->_redirectaddr);
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+ }
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+ }
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+ }
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+
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+ if($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0)
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+ {
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+ $frameurls = $this->_frameurls;
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+ $this->_frameurls = array();
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+
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+ while(list(,$frameurl) = each($frameurls))
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+ {
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+ if($this->_framedepth < $this->maxframes)
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+ {
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+ $this->fetch($frameurl);
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+ $this->_framedepth++;
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+ }
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+ else
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+ break;
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+ }
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+ }
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+ return true;
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+ break;
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+ default:
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+ // not a valid protocol
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+ $this->error = 'Invalid protocol "'.$URI_PARTS["scheme"].'"\n';
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+ return false;
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+ break;
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+ }
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+ return true;
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+ }
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+
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+
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+
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+/*======================================================================*\
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+ Private functions
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+\*======================================================================*/
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+
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+
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+/*======================================================================*\
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+ Function: _striplinks
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+ Purpose: strip the hyperlinks from an html document
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+ Input: $document document to strip.
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+ Output: $match an array of the links
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+\*======================================================================*/
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+
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+ function _striplinks($document)
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+ {
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+ preg_match_all("'<\s*a\s+.*href\s*=\s* # find <a href=
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+ ([\"\'])? # find single or double quote
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+ (?(1) (.*?)\\1 | ([^\s\>]+)) # if quote found, match up to next matching
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+ # quote, otherwise match up to next space
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+ 'isx",$document,$links);
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+
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+
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+ // catenate the non-empty matches from the conditional subpattern
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+
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+ while(list($key,$val) = each($links[2]))
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+ {
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+ if(!empty($val))
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+ $match[] = $val;
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+ }
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+
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+ while(list($key,$val) = each($links[3]))
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+ {
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+ if(!empty($val))
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+ $match[] = $val;
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+ }
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+
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+ // return the links
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+ return $match;
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+ }
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+
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+/*======================================================================*\
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+ Function: _stripform
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+ Purpose: strip the form elements from an html document
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+ Input: $document document to strip.
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+ Output: $match an array of the links
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+\*======================================================================*/
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+
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+ function _stripform($document)
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+ {
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+ preg_match_all("'<\/?(FORM|INPUT|SELECT|TEXTAREA|(OPTION))[^<>]*>(?(2)(.*(?=<\/?(option|select)[^<>]*>[\r\n]*)|(?=[\r\n]*))|(?=[\r\n]*))'Usi",$document,$elements);
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+
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+ // catenate the matches
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+ $match = implode("\r\n",$elements[0]);
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+
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+ // return the links
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+ return $match;
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+ }
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+
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+
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+
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+/*======================================================================*\
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+ Function: _striptext
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+ Purpose: strip the text from an html document
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+ Input: $document document to strip.
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+ Output: $text the resulting text
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+\*======================================================================*/
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+
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+ function _striptext($document)
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+ {
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+
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+ // I didn't use preg eval (//e) since that is only available in PHP 4.0.
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+ // so, list your entities one by one here. I included some of the
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+ // more common ones.
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+
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+ $search = array("'<script[^>]*?>.*?</script>'si", // strip out javascript
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+ "'<[\/\!]*?[^<>]*?>'si", // strip out html tags
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+ "'([\r\n])[\s]+'", // strip out white space
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+ "'&(quote|#34);'i", // replace html entities
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+ "'&(amp|#38);'i",
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+ "'&(lt|#60);'i",
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+ "'&(gt|#62);'i",
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+ "'&(nbsp|#160);'i",
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+ "'&(iexcl|#161);'i",
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+ "'&(cent|#162);'i",
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+ "'&(pound|#163);'i",
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+ "'&(copy|#169);'i"
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+ );
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+ $replace = array( "",
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+ "",
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+ "\\1",
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+ "\"",
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+ "&",
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+ "<",
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+ ">",
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+ " ",
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+ chr(161),
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+ chr(162),
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+ chr(163),
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+ chr(169));
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+
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+ $text = preg_replace($search,$replace,$document);
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+
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+ return $text;
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+ }
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+
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+/*======================================================================*\
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+ Function: _expandlinks
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+ Purpose: expand each link into a fully qualified URL
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+ Input: $links the links to qualify
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+ $URI the full URI to get the base from
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+ Output: $expandedLinks the expanded links
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+\*======================================================================*/
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+
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+ function _expandlinks($links,$URI)
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+ {
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+
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+ preg_match("/^[^\?]+/",$URI,$match);
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+
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+ $match = preg_replace("|/[^\/\.]+\.[^\/\.]+$|","",$match[0]);
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+
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+ $search = array( "|^http://".preg_quote($this->host)."|i",
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+ "|^(?!http://)(\/)?(?!mailto:)|i",
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+ "|/\./|",
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+ "|/[^\/]+/\.\./|"
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+ );
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+
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+ $replace = array( "",
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+ $match."/",
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+ "/",
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+ "/"
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+ );
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+
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+ $expandedLinks = preg_replace($search,$replace,$links);
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+
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+ return $expandedLinks;
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+ }
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+
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+/*======================================================================*\
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+ Function: _httprequest
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+ Purpose: go get the http data from the server
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+ Input: $url the url to fetch
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+ $fp the current open file pointer
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+ $URI the full URI
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+ $body body contents to send if any (POST)
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+ Output:
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+\*======================================================================*/
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+
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+ function _httprequest($url,$fp,$URI,$http_method,$content_type="",$body="")
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+ {
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+ if($this->passcookies && $this->_redirectaddr)
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+ $this->setcookies();
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+
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+ $URI_PARTS = parse_url($URI);
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+ if(empty($url))
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+ $url = "/";
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+ $headers = $http_method." ".$url." ".$this->_httpversion."\r\n";
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+ if(!empty($this->agent))
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+ $headers .= "User-Agent: ".$this->agent."\r\n";
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|
|
+ if(!empty($this->host) && !isset($this->rawheaders['Host']))
|
|
|
+ $headers .= "Host: ".$this->host."\r\n";
|
|
|
+ if(!empty($this->accept))
|
|
|
+ $headers .= "Accept: ".$this->accept."\r\n";
|
|
|
+
|
|
|
+ if($this->use_gzip) {
|
|
|
+ // make sure PHP was built with --with-zlib
|
|
|
+ // and we can handle gzipp'ed data
|
|
|
+ if ( function_exists(gzinflate) ) {
|
|
|
+ $headers .= "Accept-encoding: gzip\r\n";
|
|
|
+ }
|
|
|
+ else {
|
|
|
+ trigger_error(
|
|
|
+ "use_gzip is on, but PHP was built without zlib support.".
|
|
|
+ " Requesting file(s) without gzip encoding.",
|
|
|
+ E_USER_NOTICE);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if(!empty($this->referer))
|
|
|
+ $headers .= "Referer: ".$this->referer."\r\n";
|
|
|
+ if(!empty($this->cookies))
|
|
|
+ {
|
|
|
+ if(!is_array($this->cookies))
|
|
|
+ $this->cookies = (array)$this->cookies;
|
|
|
+
|
|
|
+ reset($this->cookies);
|
|
|
+ if ( count($this->cookies) > 0 ) {
|
|
|
+ $cookie_headers .= 'Cookie: ';
|
|
|
+ foreach ( $this->cookies as $cookieKey => $cookieVal ) {
|
|
|
+ $cookie_headers .= $cookieKey."=".urlencode($cookieVal)."; ";
|
|
|
+ }
|
|
|
+ $headers .= substr($cookie_headers,0,-2) . "\r\n";
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if(!empty($this->rawheaders))
|
|
|
+ {
|
|
|
+ if(!is_array($this->rawheaders))
|
|
|
+ $this->rawheaders = (array)$this->rawheaders;
|
|
|
+ while(list($headerKey,$headerVal) = each($this->rawheaders))
|
|
|
+ $headers .= $headerKey.": ".$headerVal."\r\n";
|
|
|
+ }
|
|
|
+ if(!empty($content_type)) {
|
|
|
+ $headers .= "Content-type: $content_type";
|
|
|
+ if ($content_type == "multipart/form-data")
|
|
|
+ $headers .= "; boundary=".$this->_mime_boundary;
|
|
|
+ $headers .= "\r\n";
|
|
|
+ }
|
|
|
+ if(!empty($body))
|
|
|
+ $headers .= "Content-length: ".strlen($body)."\r\n";
|
|
|
+ if(!empty($this->user) || !empty($this->pass))
|
|
|
+ $headers .= "Authorization: BASIC ".base64_encode($this->user.":".$this->pass)."\r\n";
|
|
|
+
|
|
|
+ $headers .= "\r\n";
|
|
|
+
|
|
|
+ // set the read timeout if needed
|
|
|
+ if ($this->read_timeout > 0)
|
|
|
+ socket_set_timeout($fp, $this->read_timeout);
|
|
|
+ $this->timed_out = false;
|
|
|
+
|
|
|
+ fwrite($fp,$headers.$body,strlen($headers.$body));
|
|
|
+
|
|
|
+ $this->_redirectaddr = false;
|
|
|
+ unset($this->headers);
|
|
|
+
|
|
|
+ // content was returned gzip encoded?
|
|
|
+ $is_gzipped = false;
|
|
|
+
|
|
|
+ while($currentHeader = fgets($fp,$this->_maxlinelen))
|
|
|
+ {
|
|
|
+ if ($this->read_timeout > 0 && $this->_check_timeout($fp))
|
|
|
+ {
|
|
|
+ $this->status=-100;
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ // if($currentHeader == "\r\n")
|
|
|
+ if(preg_match("/^\r?\n$/", $currentHeader) )
|
|
|
+ break;
|
|
|
+
|
|
|
+ // if a header begins with Location: or URI:, set the redirect
|
|
|
+ if(preg_match("/^(Location:|URI:)/i",$currentHeader))
|
|
|
+ {
|
|
|
+ // get URL portion of the redirect
|
|
|
+ preg_match("/^(Location:|URI:)\s+(.*)/",chop($currentHeader),$matches);
|
|
|
+ // look for :// in the Location header to see if hostname is included
|
|
|
+ if(!preg_match("|\:\/\/|",$matches[2]))
|
|
|
+ {
|
|
|
+ // no host in the path, so prepend
|
|
|
+ $this->_redirectaddr = $URI_PARTS["scheme"]."://".$this->host.":".$this->port;
|
|
|
+ // eliminate double slash
|
|
|
+ if(!preg_match("|^/|",$matches[2]))
|
|
|
+ $this->_redirectaddr .= "/".$matches[2];
|
|
|
+ else
|
|
|
+ $this->_redirectaddr .= $matches[2];
|
|
|
+ }
|
|
|
+ else
|
|
|
+ $this->_redirectaddr = $matches[2];
|
|
|
+ }
|
|
|
+
|
|
|
+ if(preg_match("|^HTTP/|",$currentHeader))
|
|
|
+ {
|
|
|
+ if(preg_match("|^HTTP/[^\s]*\s(.*?)\s|",$currentHeader, $status))
|
|
|
+ {
|
|
|
+ $this->status= $status[1];
|
|
|
+ }
|
|
|
+ $this->response_code = $currentHeader;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (preg_match("/Content-Encoding: gzip/", $currentHeader) ) {
|
|
|
+ $is_gzipped = true;
|
|
|
+ }
|
|
|
+
|
|
|
+ $this->headers[] = $currentHeader;
|
|
|
+ }
|
|
|
+
|
|
|
+ # $results = fread($fp, $this->maxlength);
|
|
|
+ $results = "";
|
|
|
+ while ( $data = fread($fp, $this->maxlength) ) {
|
|
|
+ $results .= $data;
|
|
|
+ if (
|
|
|
+ strlen($results) > $this->maxlength ) {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ // gunzip
|
|
|
+ if ( $is_gzipped ) {
|
|
|
+ // per http://www.php.net/manual/en/function.gzencode.php
|
|
|
+ $results = substr($results, 10);
|
|
|
+ $results = gzinflate($results);
|
|
|
+ }
|
|
|
+
|
|
|
+ if ($this->read_timeout > 0 && $this->_check_timeout($fp))
|
|
|
+ {
|
|
|
+ $this->status=-100;
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ // check if there is a a redirect meta tag
|
|
|
+
|
|
|
+ if(preg_match("'<meta[\s]*http-equiv[^>]*?content[\s]*=[\s]*[\"\']?\d+;[\s]+URL[\s]*=[\s]*([^\"\']*?)[\"\']?>'i",$results,$match))
|
|
|
+ {
|
|
|
+ $this->_redirectaddr = $this->_expandlinks($match[1],$URI);
|
|
|
+ }
|
|
|
+
|
|
|
+ // have we hit our frame depth and is there frame src to fetch?
|
|
|
+ if(($this->_framedepth < $this->maxframes) && preg_match_all("'<frame\s+.*src[\s]*=[\'\"]?([^\'\"\>]+)'i",$results,$match))
|
|
|
+ {
|
|
|
+ $this->results[] = $results;
|
|
|
+ for($x=0; $x<count($match[1]); $x++)
|
|
|
+ $this->_frameurls[] = $this->_expandlinks($match[1][$x],$URI_PARTS["scheme"]."://".$this->host);
|
|
|
+ }
|
|
|
+ // have we already fetched framed content?
|
|
|
+ elseif(is_array($this->results))
|
|
|
+ $this->results[] = $results;
|
|
|
+ // no framed content
|
|
|
+ else
|
|
|
+ $this->results = $results;
|
|
|
+
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+
|
|
|
+/*======================================================================*\
|
|
|
+ Function: _httpsrequest
|
|
|
+ Purpose: go get the https data from the server using curl
|
|
|
+ Input: $url the url to fetch
|
|
|
+ $URI the full URI
|
|
|
+ $body body contents to send if any (POST)
|
|
|
+ Output:
|
|
|
+\*======================================================================*/
|
|
|
+
|
|
|
+ function _httpsrequest($url,$URI,$http_method,$content_type="",$body="")
|
|
|
+ {
|
|
|
+ if($this->passcookies && $this->_redirectaddr)
|
|
|
+ $this->setcookies();
|
|
|
+
|
|
|
+ $headers = array();
|
|
|
+
|
|
|
+ $URI_PARTS = parse_url($URI);
|
|
|
+ if(empty($url))
|
|
|
+ $url = "/";
|
|
|
+ // GET ... header not needed for curl
|
|
|
+ //$headers[] = $http_method." ".$url." ".$this->_httpversion;
|
|
|
+ if(!empty($this->agent))
|
|
|
+ $headers[] = "User-Agent: ".$this->agent;
|
|
|
+ if(!empty($this->host))
|
|
|
+ $headers[] = "Host: ".$this->host;
|
|
|
+ if(!empty($this->accept))
|
|
|
+ $headers[] = "Accept: ".$this->accept;
|
|
|
+ if(!empty($this->referer))
|
|
|
+ $headers[] = "Referer: ".$this->referer;
|
|
|
+ if(!empty($this->cookies))
|
|
|
+ {
|
|
|
+ if(!is_array($this->cookies))
|
|
|
+ $this->cookies = (array)$this->cookies;
|
|
|
+
|
|
|
+ reset($this->cookies);
|
|
|
+ if ( count($this->cookies) > 0 ) {
|
|
|
+ $cookie_str = 'Cookie: ';
|
|
|
+ foreach ( $this->cookies as $cookieKey => $cookieVal ) {
|
|
|
+ $cookie_str .= $cookieKey."=".urlencode($cookieVal)."; ";
|
|
|
+ }
|
|
|
+ $headers[] = substr($cookie_str,0,-2);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if(!empty($this->rawheaders))
|
|
|
+ {
|
|
|
+ if(!is_array($this->rawheaders))
|
|
|
+ $this->rawheaders = (array)$this->rawheaders;
|
|
|
+ while(list($headerKey,$headerVal) = each($this->rawheaders))
|
|
|
+ $headers[] = $headerKey.": ".$headerVal;
|
|
|
+ }
|
|
|
+ if(!empty($content_type)) {
|
|
|
+ if ($content_type == "multipart/form-data")
|
|
|
+ $headers[] = "Content-type: $content_type; boundary=".$this->_mime_boundary;
|
|
|
+ else
|
|
|
+ $headers[] = "Content-type: $content_type";
|
|
|
+ }
|
|
|
+ if(!empty($body))
|
|
|
+ $headers[] = "Content-length: ".strlen($body);
|
|
|
+ if(!empty($this->user) || !empty($this->pass))
|
|
|
+ $headers[] = "Authorization: BASIC ".base64_encode($this->user.":".$this->pass);
|
|
|
+
|
|
|
+ for($curr_header = 0; $curr_header < count($headers); $curr_header++) {
|
|
|
+ $cmdline_params .= " -H \"".$headers[$curr_header]."\"";
|
|
|
+ }
|
|
|
+
|
|
|
+ if(!empty($body))
|
|
|
+ $cmdline_params .= " -d \"$body\"";
|
|
|
+
|
|
|
+ if($this->read_timeout > 0)
|
|
|
+ $cmdline_params .= " -m ".$this->read_timeout;
|
|
|
+
|
|
|
+ $headerfile = uniqid(time());
|
|
|
+
|
|
|
+ # accept self-signed certs
|
|
|
+ $cmdline_params .= " -k";
|
|
|
+ exec($this->curl_path." -D \"/tmp/$headerfile\"".escapeshellcmd($cmdline_params)." ".escapeshellcmd($URI),$results,$return);
|
|
|
+
|
|
|
+ if($return)
|
|
|
+ {
|
|
|
+ $this->error = "Error: cURL could not retrieve the document, error $return.";
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ $results = implode("\r\n",$results);
|
|
|
+
|
|
|
+ $result_headers = file("/tmp/$headerfile");
|
|
|
+
|
|
|
+ $this->_redirectaddr = false;
|
|
|
+ unset($this->headers);
|
|
|
+
|
|
|
+ for($currentHeader = 0; $currentHeader < count($result_headers); $currentHeader++)
|
|
|
+ {
|
|
|
+
|
|
|
+ // if a header begins with Location: or URI:, set the redirect
|
|
|
+ if(preg_match("/^(Location: |URI: )/i",$result_headers[$currentHeader]))
|
|
|
+ {
|
|
|
+ // get URL portion of the redirect
|
|
|
+ preg_match("/^(Location: |URI:)(.*)/",chop($result_headers[$currentHeader]),$matches);
|
|
|
+ // look for :// in the Location header to see if hostname is included
|
|
|
+ if(!preg_match("|\:\/\/|",$matches[2]))
|
|
|
+ {
|
|
|
+ // no host in the path, so prepend
|
|
|
+ $this->_redirectaddr = $URI_PARTS["scheme"]."://".$this->host.":".$this->port;
|
|
|
+ // eliminate double slash
|
|
|
+ if(!preg_match("|^/|",$matches[2]))
|
|
|
+ $this->_redirectaddr .= "/".$matches[2];
|
|
|
+ else
|
|
|
+ $this->_redirectaddr .= $matches[2];
|
|
|
+ }
|
|
|
+ else
|
|
|
+ $this->_redirectaddr = $matches[2];
|
|
|
+ }
|
|
|
+
|
|
|
+ if(preg_match("|^HTTP/|",$result_headers[$currentHeader]))
|
|
|
+ {
|
|
|
+ $this->response_code = $result_headers[$currentHeader];
|
|
|
+ if(preg_match("|^HTTP/[^\s]*\s(.*?)\s|",$this->response_code, $match))
|
|
|
+ {
|
|
|
+ $this->status= $match[1];
|
|
|
+ }
|
|
|
+ }
|
|
|
+ $this->headers[] = $result_headers[$currentHeader];
|
|
|
+ }
|
|
|
+
|
|
|
+ // check if there is a a redirect meta tag
|
|
|
+
|
|
|
+ if(preg_match("'<meta[\s]*http-equiv[^>]*?content[\s]*=[\s]*[\"\']?\d+;[\s]+URL[\s]*=[\s]*([^\"\']*?)[\"\']?>'i",$results,$match))
|
|
|
+ {
|
|
|
+ $this->_redirectaddr = $this->_expandlinks($match[1],$URI);
|
|
|
+ }
|
|
|
+
|
|
|
+ // have we hit our frame depth and is there frame src to fetch?
|
|
|
+ if(($this->_framedepth < $this->maxframes) && preg_match_all("'<frame\s+.*src[\s]*=[\'\"]?([^\'\"\>]+)'i",$results,$match))
|
|
|
+ {
|
|
|
+ $this->results[] = $results;
|
|
|
+ for($x=0; $x<count($match[1]); $x++)
|
|
|
+ $this->_frameurls[] = $this->_expandlinks($match[1][$x],$URI_PARTS["scheme"]."://".$this->host);
|
|
|
+ }
|
|
|
+ // have we already fetched framed content?
|
|
|
+ elseif(is_array($this->results))
|
|
|
+ $this->results[] = $results;
|
|
|
+ // no framed content
|
|
|
+ else
|
|
|
+ $this->results = $results;
|
|
|
+
|
|
|
+ unlink("/tmp/$headerfile");
|
|
|
+
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+
|
|
|
+/*======================================================================*\
|
|
|
+ Function: setcookies()
|
|
|
+ Purpose: set cookies for a redirection
|
|
|
+\*======================================================================*/
|
|
|
+
|
|
|
+ function setcookies()
|
|
|
+ {
|
|
|
+ for($x=0; $x<count($this->headers); $x++)
|
|
|
+ {
|
|
|
+ if(preg_match("/^set-cookie:[\s]+([^=]+)=([^;]+)/i", $this->headers[$x],$match))
|
|
|
+ $this->cookies[$match[1]] = $match[2];
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+/*======================================================================*\
|
|
|
+ Function: _check_timeout
|
|
|
+ Purpose: checks whether timeout has occurred
|
|
|
+ Input: $fp file pointer
|
|
|
+\*======================================================================*/
|
|
|
+
|
|
|
+ function _check_timeout($fp)
|
|
|
+ {
|
|
|
+ if ($this->read_timeout > 0) {
|
|
|
+ $fp_status = socket_get_status($fp);
|
|
|
+ if ($fp_status["timed_out"]) {
|
|
|
+ $this->timed_out = true;
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+/*======================================================================*\
|
|
|
+ Function: _connect
|
|
|
+ Purpose: make a socket connection
|
|
|
+ Input: $fp file pointer
|
|
|
+\*======================================================================*/
|
|
|
+
|
|
|
+ function _connect(&$fp)
|
|
|
+ {
|
|
|
+ if(!empty($this->proxy_host) && !empty($this->proxy_port))
|
|
|
+ {
|
|
|
+ $this->_isproxy = true;
|
|
|
+ $host = $this->proxy_host;
|
|
|
+ $port = $this->proxy_port;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ $host = $this->host;
|
|
|
+ $port = $this->port;
|
|
|
+ }
|
|
|
+
|
|
|
+ $this->status = 0;
|
|
|
+
|
|
|
+ if($fp = fsockopen(
|
|
|
+ $host,
|
|
|
+ $port,
|
|
|
+ $errno,
|
|
|
+ $errstr,
|
|
|
+ $this->_fp_timeout
|
|
|
+ ))
|
|
|
+ {
|
|
|
+ // socket connection succeeded
|
|
|
+
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ // socket connection failed
|
|
|
+ $this->status = $errno;
|
|
|
+ switch($errno)
|
|
|
+ {
|
|
|
+ case -3:
|
|
|
+ $this->error="socket creation failed (-3)";
|
|
|
+ case -4:
|
|
|
+ $this->error="dns lookup failure (-4)";
|
|
|
+ case -5:
|
|
|
+ $this->error="connection refused or timed out (-5)";
|
|
|
+ default:
|
|
|
+ $this->error="connection failed (".$errno.")";
|
|
|
+ }
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ }
|
|
|
+/*======================================================================*\
|
|
|
+ Function: _disconnect
|
|
|
+ Purpose: disconnect a socket connection
|
|
|
+ Input: $fp file pointer
|
|
|
+\*======================================================================*/
|
|
|
+
|
|
|
+ function _disconnect($fp)
|
|
|
+ {
|
|
|
+ return(fclose($fp));
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+/*======================================================================*\
|
|
|
+ Function: _prepare_post_body
|
|
|
+ Purpose: Prepare post body according to encoding type
|
|
|
+ Input: $formvars - form variables
|
|
|
+ $formfiles - form upload files
|
|
|
+ Output: post body
|
|
|
+\*======================================================================*/
|
|
|
+
|
|
|
+ function _prepare_post_body($formvars, $formfiles)
|
|
|
+ {
|
|
|
+ settype($formvars, "array");
|
|
|
+ settype($formfiles, "array");
|
|
|
+
|
|
|
+ if (count($formvars) == 0 && count($formfiles) == 0)
|
|
|
+ return;
|
|
|
+
|
|
|
+ switch ($this->_submit_type) {
|
|
|
+ case "application/x-www-form-urlencoded":
|
|
|
+ reset($formvars);
|
|
|
+ while(list($key,$val) = each($formvars)) {
|
|
|
+ if (is_array($val) || is_object($val)) {
|
|
|
+ while (list($cur_key, $cur_val) = each($val)) {
|
|
|
+ $postdata .= urlencode($key)."[]=".urlencode($cur_val)."&";
|
|
|
+ }
|
|
|
+ } else
|
|
|
+ $postdata .= urlencode($key)."=".urlencode($val)."&";
|
|
|
+ }
|
|
|
+ break;
|
|
|
+
|
|
|
+ case "multipart/form-data":
|
|
|
+ $this->_mime_boundary = "Snoopy".md5(uniqid(microtime()));
|
|
|
+
|
|
|
+ reset($formvars);
|
|
|
+ while(list($key,$val) = each($formvars)) {
|
|
|
+ if (is_array($val) || is_object($val)) {
|
|
|
+ while (list($cur_key, $cur_val) = each($val)) {
|
|
|
+ $postdata .= "--".$this->_mime_boundary."\r\n";
|
|
|
+ $postdata .= "Content-Disposition: form-data; name=\"$key\[\]\"\r\n\r\n";
|
|
|
+ $postdata .= "$cur_val\r\n";
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ $postdata .= "--".$this->_mime_boundary."\r\n";
|
|
|
+ $postdata .= "Content-Disposition: form-data; name=\"$key\"\r\n\r\n";
|
|
|
+ $postdata .= "$val\r\n";
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ reset($formfiles);
|
|
|
+ while (list($field_name, $file_names) = each($formfiles)) {
|
|
|
+ settype($file_names, "array");
|
|
|
+ while (list(, $file_name) = each($file_names)) {
|
|
|
+ if (!is_readable($file_name)) continue;
|
|
|
+
|
|
|
+ $fp = fopen($file_name, "r");
|
|
|
+ $file_content = fread($fp, filesize($file_name));
|
|
|
+ fclose($fp);
|
|
|
+ $base_name = basename($file_name);
|
|
|
+
|
|
|
+ $postdata .= "--".$this->_mime_boundary."\r\n";
|
|
|
+ $postdata .= "Content-Disposition: form-data; name=\"$field_name\"; filename=\"$base_name\"\r\n\r\n";
|
|
|
+ $postdata .= "$file_content\r\n";
|
|
|
+ }
|
|
|
+ }
|
|
|
+ $postdata .= "--".$this->_mime_boundary."--\r\n";
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ return $postdata;
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+?>
|