Add conditional load back to snoopy and strip trailing whites
git-svn-id: http://svn.automattic.com/wordpress/trunk@9307 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
ryan
parent
076763cfff
commit
b7ca9bd521
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@ -1,5 +1,5 @@
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<?php
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if ( !in_array('Snoopy', get_declared_classes() ) ) :
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/*************************************************
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Snoopy - the PHP net client
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@ -32,7 +32,7 @@ http://snoopy.sourceforge.net/
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class Snoopy
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{
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/**** Public variables ****/
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/* user definable vars */
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var $host = "www.php.net"; // host name we are connecting to
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@ -41,7 +41,7 @@ class Snoopy
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var $proxy_port = ""; // proxy port to use
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var $proxy_user = ""; // proxy user to use
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var $proxy_pass = ""; // proxy password to use
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var $agent = "Snoopy v1.2.4"; // 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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@ -59,15 +59,15 @@ class Snoopy
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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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var $user = ""; // user for http authentication
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var $pass = ""; // password for http authentication
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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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var $results = ""; // where the content is put
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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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@ -93,11 +93,11 @@ class Snoopy
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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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/**** Private variables ****/
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/**** Private variables ****/
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var $_maxlinelen = 4096; // max line length (headers)
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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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@ -107,7 +107,7 @@ class Snoopy
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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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var $_isproxy = false; // set if using a proxy server
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var $_fp_timeout = 30; // timeout for socket connection
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@ -122,7 +122,7 @@ class Snoopy
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function fetch($URI)
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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($URI_PARTS["user"]))
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@ -133,7 +133,7 @@ class Snoopy
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$URI_PARTS["query"] = '';
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if (empty($URI_PARTS["path"]))
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$URI_PARTS["path"] = '';
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switch(strtolower($URI_PARTS["scheme"]))
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{
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case "http":
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@ -153,7 +153,7 @@ class Snoopy
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// no proxy, send only the path
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$this->_httprequest($path, $fp, $URI, $this->_httpmethod);
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}
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$this->_disconnect($fp);
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if($this->_redirectaddr)
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@ -176,7 +176,7 @@ class Snoopy
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{
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$frameurls = $this->_frameurls;
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$this->_frameurls = array();
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while(list(,$frameurl) = each($frameurls))
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{
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if($this->_framedepth < $this->maxframes)
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@ -187,13 +187,13 @@ class Snoopy
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else
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break;
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}
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}
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}
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}
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else
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{
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return false;
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}
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return true;
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return true;
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break;
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case "https":
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if(!$this->curl_path)
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@ -247,15 +247,15 @@ class Snoopy
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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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}
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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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}
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return true;
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}
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@ -273,9 +273,9 @@ class Snoopy
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function submit($URI, $formvars="", $formfiles="")
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{
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unset($postdata);
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$postdata = $this->_prepare_post_body($formvars, $formfiles);
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$URI_PARTS = parse_url($URI);
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if (!empty($URI_PARTS["user"]))
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$this->user = $URI_PARTS["user"];
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@ -305,17 +305,17 @@ class Snoopy
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// no proxy, send only the path
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$this->_httprequest($path, $fp, $URI, $this->_submit_method, $this->_submit_type, $postdata);
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}
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$this->_disconnect($fp);
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if($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 > $this->_redirectdepth)
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{
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{
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if(!preg_match("|^".$URI_PARTS["scheme"]."://|", $this->_redirectaddr))
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$this->_redirectaddr = $this->_expandlinks($this->_redirectaddr,$URI_PARTS["scheme"]."://".$URI_PARTS["host"]);
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$this->_redirectaddr = $this->_expandlinks($this->_redirectaddr,$URI_PARTS["scheme"]."://".$URI_PARTS["host"]);
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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) || $this->offsiteok)
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{
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@ -334,9 +334,9 @@ class Snoopy
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{
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$frameurls = $this->_frameurls;
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$this->_frameurls = array();
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while(list(,$frameurl) = each($frameurls))
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{
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{
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if($this->_framedepth < $this->maxframes)
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{
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$this->fetch($frameurl);
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@ -345,14 +345,14 @@ class Snoopy
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else
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break;
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}
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}
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}
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}
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else
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{
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return false;
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}
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return true;
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return true;
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break;
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case "https":
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if(!$this->curl_path)
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@ -379,9 +379,9 @@ class Snoopy
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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 > $this->_redirectdepth)
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{
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{
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if(!preg_match("|^".$URI_PARTS["scheme"]."://|", $this->_redirectaddr))
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$this->_redirectaddr = $this->_expandlinks($this->_redirectaddr,$URI_PARTS["scheme"]."://".$URI_PARTS["host"]);
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$this->_redirectaddr = $this->_expandlinks($this->_redirectaddr,$URI_PARTS["scheme"]."://".$URI_PARTS["host"]);
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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) || $this->offsiteok)
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@ -403,7 +403,7 @@ class Snoopy
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$this->_frameurls = array();
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while(list(,$frameurl) = each($frameurls))
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{
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{
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if($this->_framedepth < $this->maxframes)
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{
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$this->fetch($frameurl);
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@ -412,16 +412,16 @@ class Snoopy
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else
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break;
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}
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}
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return true;
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}
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return true;
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break;
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default:
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// not a valid protocol
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$this->error = 'Invalid protocol "'.$URI_PARTS["scheme"].'"\n';
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return false;
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break;
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}
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}
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return true;
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}
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@ -435,7 +435,7 @@ class Snoopy
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function fetchlinks($URI)
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{
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if ($this->fetch($URI))
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{
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{
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if($this->lastredirectaddr)
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$URI = $this->lastredirectaddr;
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if(is_array($this->results))
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@ -463,9 +463,9 @@ class Snoopy
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function fetchform($URI)
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{
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if ($this->fetch($URI))
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{
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{
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if(is_array($this->results))
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{
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@ -474,14 +474,14 @@ class Snoopy
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}
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else
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$this->results = $this->_stripform($this->results);
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return true;
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}
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else
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return false;
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}
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/*======================================================================*\
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Function: fetchtext
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Purpose: fetch the text from a web page, stripping the links
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@ -492,7 +492,7 @@ class Snoopy
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function fetchtext($URI)
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{
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if($this->fetch($URI))
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{
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{
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if(is_array($this->results))
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{
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for($x=0;$x<count($this->results);$x++)
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@ -516,7 +516,7 @@ class Snoopy
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function submitlinks($URI, $formvars="", $formfiles="")
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{
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if($this->submit($URI,$formvars, $formfiles))
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{
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{
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if($this->lastredirectaddr)
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$URI = $this->lastredirectaddr;
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if(is_array($this->results))
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@ -550,7 +550,7 @@ class Snoopy
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function submittext($URI, $formvars = "", $formfiles = "")
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{
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if($this->submit($URI,$formvars, $formfiles))
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{
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{
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if($this->lastredirectaddr)
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$URI = $this->lastredirectaddr;
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if(is_array($this->results))
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@ -574,7 +574,7 @@ class Snoopy
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return false;
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}
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/*======================================================================*\
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Function: set_submit_multipart
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@ -586,7 +586,7 @@ class Snoopy
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$this->_submit_type = "multipart/form-data";
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}
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/*======================================================================*\
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Function: set_submit_normal
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Purpose: Set the form submission content type to
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@ -597,14 +597,14 @@ class Snoopy
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$this->_submit_type = "application/x-www-form-urlencoded";
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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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Function: _striplinks
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Purpose: strip the hyperlinks from an html document
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@ -613,13 +613,13 @@ class Snoopy
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\*======================================================================*/
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function _striplinks($document)
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{
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{
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preg_match_all("'<\s*a\s.*?href\s*=\s* # find <a href=
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([\"\'])? # find single or double quote
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(?(1) (.*?)\\1 | ([^\s\>]+)) # if quote found, match up to next matching
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# quote, otherwise match up to next space
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'isx",$document,$links);
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// catenate the non-empty matches from the conditional subpattern
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@ -627,14 +627,14 @@ class Snoopy
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{
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if(!empty($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 $match;
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}
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@ -647,18 +647,18 @@ class Snoopy
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\*======================================================================*/
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function _stripform($document)
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{
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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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// catenate the matches
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$match = implode("\r\n",$elements[0]);
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// return the links
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return $match;
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}
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/*======================================================================*\
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Function: _striptext
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Purpose: strip the text from an html document
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@ -668,11 +668,11 @@ class Snoopy
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function _striptext($document)
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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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$search = array("'<script[^>]*?>.*?</script>'si", // strip out javascript
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"'<[\/\!]*?[^<>]*?>'si", // strip out html tags
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"'([\r\n])[\s]+'", // strip out white space
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@ -721,9 +721,9 @@ class Snoopy
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"Ü",
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"ß",
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);
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$text = preg_replace($search,$replace,$document);
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return $text;
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}
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@ -737,7 +737,7 @@ class Snoopy
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function _expandlinks($links,$URI)
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{
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preg_match("/^[^\?]+/",$URI,$match);
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$match = preg_replace("|/[^\/\.]+\.[^\/\.]+$|","",$match[0]);
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@ -745,21 +745,21 @@ class Snoopy
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$match_part = parse_url($match);
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$match_root =
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$match_part["scheme"]."://".$match_part["host"];
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$search = array( "|^http://".preg_quote($this->host)."|i",
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"|^(\/)|i",
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"|^(?!http://)(?!mailto:)|i",
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"|/\./|",
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"|/[^\/]+/\.\./|"
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);
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$replace = array( "",
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$match_root."/",
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$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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return $expandedLinks;
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@ -772,19 +772,19 @@ class Snoopy
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$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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Output:
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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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$cookie_headers = '';
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if($this->passcookies && $this->_redirectaddr)
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$this->setcookies();
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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." ".$this->_httpversion."\r\n";
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$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'])) {
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@ -798,10 +798,10 @@ class Snoopy
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if(!empty($this->referer))
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$headers .= "Referer: ".$this->referer."\r\n";
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if(!empty($this->cookies))
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{
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{
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if(!is_array($this->cookies))
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$this->cookies = (array)$this->cookies;
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reset($this->cookies);
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if ( count($this->cookies) > 0 ) {
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$cookie_headers .= 'Cookie: ';
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@ -809,7 +809,7 @@ class Snoopy
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$cookie_headers .= $cookieKey."=".urlencode($cookieVal)."; ";
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}
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$headers .= substr($cookie_headers,0,-2) . "\r\n";
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}
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}
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}
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if(!empty($this->rawheaders))
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{
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|
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@ -824,28 +824,28 @@ class Snoopy
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$headers .= "; boundary=".$this->_mime_boundary;
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$headers .= "\r\n";
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}
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if(!empty($body))
|
||||
if(!empty($body))
|
||||
$headers .= "Content-length: ".strlen($body)."\r\n";
|
||||
if(!empty($this->user) || !empty($this->pass))
|
||||
if(!empty($this->user) || !empty($this->pass))
|
||||
$headers .= "Authorization: Basic ".base64_encode($this->user.":".$this->pass)."\r\n";
|
||||
|
||||
|
||||
//add proxy auth headers
|
||||
if(!empty($this->proxy_user))
|
||||
if(!empty($this->proxy_user))
|
||||
$headers .= 'Proxy-Authorization: ' . 'Basic ' . base64_encode($this->proxy_user . ':' . $this->proxy_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);
|
||||
|
||||
|
||||
while($currentHeader = fgets($fp,$this->_maxlinelen))
|
||||
{
|
||||
if ($this->read_timeout > 0 && $this->_check_timeout($fp))
|
||||
|
|
@ -853,10 +853,10 @@ class Snoopy
|
|||
$this->status=-100;
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
if($currentHeader == "\r\n")
|
||||
break;
|
||||
|
||||
|
||||
// if a header begins with Location: or URI:, set the redirect
|
||||
if(preg_match("/^(Location:|URI:)/i",$currentHeader))
|
||||
{
|
||||
|
|
@ -876,16 +876,16 @@ class Snoopy
|
|||
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;
|
||||
}
|
||||
|
||||
|
||||
$this->headers[] = $currentHeader;
|
||||
}
|
||||
|
||||
|
|
@ -903,13 +903,13 @@ class Snoopy
|
|||
$this->status=-100;
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
// check if there is a a redirect meta tag
|
||||
|
||||
|
||||
if(preg_match("'<meta[\s]*http-equiv[^>]*?content[\s]*=[\s]*[\"\']?\d+;[\s]*URL[\s]*=[\s]*([^\"\']*?)[\"\']?>'i",$results,$match))
|
||||
|
||||
{
|
||||
$this->_redirectaddr = $this->_expandlinks($match[1],$URI);
|
||||
$this->_redirectaddr = $this->_expandlinks($match[1],$URI);
|
||||
}
|
||||
|
||||
// have we hit our frame depth and is there frame src to fetch?
|
||||
|
|
@ -925,7 +925,7 @@ class Snoopy
|
|||
// no framed content
|
||||
else
|
||||
$this->results = $results;
|
||||
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
|
|
@ -935,21 +935,21 @@ class Snoopy
|
|||
Input: $url the url to fetch
|
||||
$URI the full URI
|
||||
$body body contents to send if any (POST)
|
||||
Output:
|
||||
Output:
|
||||
\*======================================================================*/
|
||||
|
||||
|
||||
function _httpsrequest($url,$URI,$http_method,$content_type="",$body="")
|
||||
{
|
||||
{
|
||||
if($this->passcookies && $this->_redirectaddr)
|
||||
$this->setcookies();
|
||||
|
||||
$headers = array();
|
||||
|
||||
$headers = array();
|
||||
|
||||
$URI_PARTS = parse_url($URI);
|
||||
if(empty($url))
|
||||
$url = "/";
|
||||
// GET ... header not needed for curl
|
||||
//$headers[] = $http_method." ".$url." ".$this->_httpversion;
|
||||
//$headers[] = $http_method." ".$url." ".$this->_httpversion;
|
||||
if(!empty($this->agent))
|
||||
$headers[] = "User-Agent: ".$this->agent;
|
||||
if(!empty($this->host))
|
||||
|
|
@ -962,10 +962,10 @@ class Snoopy
|
|||
if(!empty($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: ';
|
||||
|
|
@ -988,43 +988,43 @@ class Snoopy
|
|||
else
|
||||
$headers[] = "Content-type: $content_type";
|
||||
}
|
||||
if(!empty($body))
|
||||
if(!empty($body))
|
||||
$headers[] = "Content-length: ".strlen($body);
|
||||
if(!empty($this->user) || !empty($this->pass))
|
||||
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++) {
|
||||
$safer_header = strtr( $headers[$curr_header], "\"", " " );
|
||||
$cmdline_params .= " -H \"".$safer_header."\"";
|
||||
}
|
||||
|
||||
|
||||
if(!empty($body))
|
||||
$cmdline_params .= " -d \"$body\"";
|
||||
|
||||
|
||||
if($this->read_timeout > 0)
|
||||
$cmdline_params .= " -m ".$this->read_timeout;
|
||||
|
||||
|
||||
$headerfile = tempnam($temp_dir, "sno");
|
||||
|
||||
exec($this->curl_path." -k -D \"$headerfile\"".$cmdline_params." \"".escapeshellcmd($URI)."\"",$results,$return);
|
||||
|
||||
|
||||
if($return)
|
||||
{
|
||||
$this->error = "Error: cURL could not retrieve the document, error $return.";
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
$results = implode("\r\n",$results);
|
||||
|
||||
|
||||
$result_headers = file("$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]))
|
||||
{
|
||||
|
|
@ -1044,7 +1044,7 @@ class Snoopy
|
|||
else
|
||||
$this->_redirectaddr = $matches[2];
|
||||
}
|
||||
|
||||
|
||||
if(preg_match("|^HTTP/|",$result_headers[$currentHeader]))
|
||||
$this->response_code = $result_headers[$currentHeader];
|
||||
|
||||
|
|
@ -1052,10 +1052,10 @@ class Snoopy
|
|||
}
|
||||
|
||||
// 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);
|
||||
$this->_redirectaddr = $this->_expandlinks($match[1],$URI);
|
||||
}
|
||||
|
||||
// have we hit our frame depth and is there frame src to fetch?
|
||||
|
|
@ -1073,7 +1073,7 @@ class Snoopy
|
|||
$this->results = $results;
|
||||
|
||||
unlink("$headerfile");
|
||||
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
|
|
@ -1081,7 +1081,7 @@ class Snoopy
|
|||
Function: setcookies()
|
||||
Purpose: set cookies for a redirection
|
||||
\*======================================================================*/
|
||||
|
||||
|
||||
function setcookies()
|
||||
{
|
||||
for($x=0; $x<count($this->headers); $x++)
|
||||
|
|
@ -1091,7 +1091,7 @@ class Snoopy
|
|||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
/*======================================================================*\
|
||||
Function: _check_timeout
|
||||
Purpose: checks whether timeout has occurred
|
||||
|
|
@ -1115,13 +1115,13 @@ class Snoopy
|
|||
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;
|
||||
}
|
||||
|
|
@ -1130,9 +1130,9 @@ class Snoopy
|
|||
$host = $this->host;
|
||||
$port = $this->port;
|
||||
}
|
||||
|
||||
|
||||
$this->status = 0;
|
||||
|
||||
|
||||
if($fp = fsockopen(
|
||||
$host,
|
||||
$port,
|
||||
|
|
@ -1168,13 +1168,13 @@ class Snoopy
|
|||
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
|
||||
|
|
@ -1182,7 +1182,7 @@ class Snoopy
|
|||
$formfiles - form upload files
|
||||
Output: post body
|
||||
\*======================================================================*/
|
||||
|
||||
|
||||
function _prepare_post_body($formvars, $formfiles)
|
||||
{
|
||||
settype($formvars, "array");
|
||||
|
|
@ -1191,7 +1191,7 @@ class Snoopy
|
|||
|
||||
if (count($formvars) == 0 && count($formfiles) == 0)
|
||||
return;
|
||||
|
||||
|
||||
switch ($this->_submit_type) {
|
||||
case "application/x-www-form-urlencoded":
|
||||
reset($formvars);
|
||||
|
|
@ -1207,7 +1207,7 @@ class Snoopy
|
|||
|
||||
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)) {
|
||||
|
|
@ -1222,7 +1222,7 @@ class Snoopy
|
|||
$postdata .= "$val\r\n";
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
reset($formfiles);
|
||||
while (list($field_name, $file_names) = each($formfiles)) {
|
||||
settype($file_names, "array");
|
||||
|
|
@ -1246,5 +1246,5 @@ class Snoopy
|
|||
return $postdata;
|
||||
}
|
||||
}
|
||||
|
||||
endif;
|
||||
?>
|
||||
|
|
|
|||
Loading…
Reference in New Issue