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fsockopen(): probleme

imad-007

By imad-007
in PHP Coding Help

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imad-007 Newbie

imad-007

Posted
Posted

hey guys

i have a script that show the source of HTML Page

 

<?
/*
************************************************************************
* © Sloppycode.net All rights reserved.
*
* This is a standard copyright header for all source code appearing
* at sloppycode.net. This application/class/script may be redistributed,
* as long as the above copyright remains intact. 
* Comments to sloppycode@sloppycode.net
************************************************************************
*/

/*
* Html Source class - api for getting/posting to websites, including:
* - Cookie handling
* - Variable handlinig for both post and get vars
* - Response header stripping.
* - Support for all header information like referer, user-agent etc.
* cookie and variable handling.
* HTTP 1.0 specs - http://www.w3.org/Protocols/rfc1945/rfc1945]
* Easier to read version at http://www.ics.uci.edu/pub/ietf/http/rfc1945.html
* @author C.Small
* @version 1.2 Error checking for socket connecting.
* @version 1.1 Added PEAR style comments
* @version 1.0
* @access public
*/

class HtmlSource
{
/*
 * The host to connect to, either with or without 'www' - a 302 error may 
 * occur when a 'www' is needed. 
 * @access public
 * @type string
 */
var $host;
/*
 * The port to use, default is 80. 
 * @access public
 * @type integer
 */
var $port = 80;
/*
 * Page to get, including a "/", e.g. "/pages/somepage.html". 
 * @access public
 * @type string
 */
var $page;
/*
 * (Readonly) Contains the request that is being issued, useful for debugging. 
 * @access public
 * @type string
 */
var $request;
/*
 * Http version to use, currently a choice between 1.0 and 1.1. Default is 1.0. 
 * @access public
 * @type string
 */
var $httpversion = "1.0";
/*
 * Method to use, either "GET" or "POST", "GET" is default. 
 * @access public
 * @type string
 */
var $method = "GET";
/*
 * Time in seconds to wait for a respons from the connection.
 * This may or may not work depending on your php version, some versions of
 * 4 have a bug in fsockopen's timeout.
 * @access public
 * @type integer
 */
var $timeout = 30;
/*
 * Set this to true if you wish to strip all html tags from the source. 
 * @access public
 * @type boolean
 */
var $striptags;
/*
 * Set this to true if you want the page being requested to be returned as html 
 * source code, with special html characters encoded. 
 * @access public
 * @type boolean
 */
var $showsource;
/*
 * Whether to strip the Response header out of the resulting page or not
 * @access public
 * @type string
 */
var $strip_responseheader = true;
/*
 * Describes what content can be returned by the server,e.g. image/jpeg or * /* for anything.
 * @access public
 * @type string
 */
var $accept;
/*
 * Tells the server what type of encoding is accepted, for example "gzip,deflate" is quite common. 
 * @access public
 * @type string
 */
var $accept_encoding;
/*
 * The language type that can be sent back by the server, e.g. "en-gb". 
 * @access public
 * @type string
 */
var $accept_language;
/*
 * Set this property if you are trying to access a user/password restricted zone. Use 
 * the format "username:password", this will then be sent, base64 encoded. A 401 error 
 * message will be displayed if the username/password is incorrect. 
 * @access public
 * @type string
 */
var $authorization;
/*
 * This property is used inconjunction with POSTing variables and their values. 
 * The content length is automatically worked out for you when you set the 'method' 
 * property to 'POST', based on the POST variables you have added; you can override this 
 * using this property. 
 * @access public
 * @type string
 */
var $content_length;
/*
 * Used to indicate what kind of content is being sent. This is most commonly used when 
 * POSTing a page, the content-type is 'application/x-www-form-urlencoded', this is 
 * automatically added for you when you set the method='POST'. 
 * @access public
 * @type string
 */
var $content_type;
/*
 * Indicates the date which you are sending the request, an optional header. 
 * The format of the date should be: Tue, 15 Nov 1994 08:12:31 GMT. You can do 
 * this easily using strftime() function. 
 * @access public
 * @type string
 */
var $date;
/*
 * The referer that the page is coming from. 
 * @access public
 * @type string
 */
var $referer;
/*
 * The browser or application used for displaying the page sent back. An example is
 * 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)', for IE 6 on Windows 2000. 
 * @access public
 * @type string
 */
var $useragent;

/*
 * Cookies to use
 * @access private
 * @type array
 * @see addCookie()
 */
var $cookies = array();
/*
 * Get vars to use
 * @access private
 * @type array
 * @see addGetVar()
 */
var $getvars = array();
/*
 * Post vars to use
 * @access private
 * @type array
 * @see addPostVar()
 */
var $postvars = array();

/*
 * Adds a POST method variable to be sent
 * @access public
 * @param string $name Variable name
 * @oaram string $value Value of the variable
 * @return void
 */
function addPostVar($name,$value)
{
	if (!empty($name) && !empty($value))
	{
		$this->postvars[] =$name."=".$value;
	}
}
/*
 * Adds a GET method variable to be sent
 * @access public
 * @param string $name Variable name
 * @oaram string $value Value of the variable
 * @return void
 */
function addGetVar($name,$value)
{
	if (!empty($name) && !empty($value))
	{
		$this->getvars[] = $name."=".$value;
	}
}
/*
 * Adds a Cookie name and value to be sent
 * @access public
 * @param string $name Variable name
 * @oaram string $value Value of the variable
 * @return void
 */
function addCookie($name,$value)
{
	if (!empty($name) && !empty($value))
	{
		$this->cookies[] = $name."=".$value;
	}
}
/*
 * Returns the HTML source from the given host, using the request that is constructed
 * from the various class properties
 * @access public
 * @return void
 */
function getSource()
{
	// Error check
	if (empty($this->httpversion))
	{
		$this->httpversion = "1.0";
	}
	if (empty($this->method))
	{
		$this->method = "GET";
	}

	// Make GET variables
	$vars   = "";
	$cookiehead = "";
	if (sizeof($this->getvars) >0 && $this->method == "GET")
	{
		$vars  = "?";
		$vars .= join($this->getvars,"&");
		// Knock last '&' off
		// Remove this..?
		if (sizeof($this->getvars) >1)
		{
			$vars = substr($vars,0,strlen($vars) -1);
		}
	}
	// Make POST variables
	if (sizeof($this->postvars) >0 && $this->method == "POST")
	{
		$vars  = "\r\n";
		$strpostvar = join($this->postvars,"&");
		$vars .= $strpostvar;
		$vars .= "\r\n";
	}

	// Make Cookies
	if (sizeof($this->cookies) >0)
	{
		$cookiehead  = "Cookie: ";
		$cookiehead .= join($this->cookies,"; ");
		$cookiehead .= "\r\n";
	}

	// Make up request. Host isn't strictly needed except IIS winges
	if ($this->method == "POST")
	{
		$this->content_length = strlen($strpostvar);
		$this->content_type = "application/x-www-form-urlencoded";

		$this->request  = $this->method." ".$this->page." HTTP/".$this->httpversion."\r\n";
		$this->request .= "Host: ".$this->host."\r\n";
		$this->request .= $cookiehead;
		$this->request .= $this->_makeRequest();
		$this->request .= $vars."\r\n";
	} else{
		$this->request  = $this->method." ".$this->page.$vars." HTTP/".$this->httpversion."\r\n";
		$this->request .= "Host: ".$this->host."\r\n";
		$this->request .= $cookiehead;
		$this->request .= $this->_makeRequest();
		$this->request .= "\r\n";
	}

	// Open socket to URL

	$sHnd = fsockopen ($this->host, $this->port, $errno, $errstr, $this->timeout);
	if ($sHnd)
	{
   		fputs ($sHnd, $this->request);

   		// Get source
   		while (!feof($sHnd))
   		{
   			$result .= fgets($sHnd,128);
   		}

   		// Strip header
   		if ($this->strip_responseheader)
   		{
   			$result = $this->_stripResponseHeader($result);
   		}

   		// Strip tags
   		if ($this->striptags)
   		{
   			$result = strip_tags($result);
   		}
   		// Show the source only
   		if ($this->showsource && !$this->striptags)
   		{
   			$result = htmlentities($result);
   			$result = nl2br($result);
   		}
	} else {
		$result = "Unable to connect to ".$this->host." on port ".$this->port." ( ".$errstr.")";
	}
	return $result;
}

/*
 * Assembles the http request to be sent to the host
 * @access private
 * @return string A string seperated by \r\n of various values constructed from the class properties
 */
function _makeRequest()
{
	if (!empty($this->accept))
	{
		$result .= "Accept: ".$this->accept."\r\n";
	}
	if (!empty($this->accept_encoding))
	{
		$result .= "Accept-Encoding: ".$this->accept_encoding."\r\n";
	}
	if (!empty($this->accept_language))
	{
		$result .= "Accept-Language: ".$this->accept_language."\r\n";
	}
	if (!empty($this->authorization))
	{
		$result .= "Authorization: Basic ".base64_encode($this->authorization)."\r\n";
	}
	if (!empty($this->content_length))
	{
		$result .= "Content-length: ".$this->content_length."\r\n";
	}
	if (!empty($this->content_type))
	{
		$result .= "Content-type: ".$this->content_type."\r\n";
	}
	if (!empty($this->date))
	{
		$result .= "Date: ".$this->date."\r\n";
	}
	if (!empty($this->referer))
	{
		$result .= "Referer: ".$this->referer."\r\n";
	}
	if (!empty($this->useragent))
	{
		$result .= "User-Agent: ".$this->useragent."\r\n";
	}

	return $result;
}
/*
 * Removes the Response header that's returned from a host after a request is made
 * @access private
 * @param string $source The html, including the response header, to be stripped
 * @return string The source without the response header
 */
function _stripResponseHeader($source)
{
	$headerend = strpos($source,"\r\n\r\n");
	if (is_bool($headerend))
	{
		$result = $source;
	} else{
		$result = substr($source,$headerend+4,strlen($source) - ($headerend+4));
	}
	return $result;
}

}
?>

 

 

 

 

when i came to test it by using this code

<?
include("clsHtmlSource.php");

/* -- Most basic example -----------------------------------------------------*/
$source = new HtmlSource();
$source->host = "www.google.com";
$source->page = "/";
$source->method = "GET";
echo "<h1>Basic EXAMPLE</h1>";
echo $source->getSource();
echo "<BR>(Request: ".$source->request.")";
$source = null;
?>

 

 

 

it gives me

Basic EXAMPLE

 

Warning: fsockopen(): php_network_getaddresses: gethostbyname failed in c:\appserv\www\clsHtmlSource.php on line 294

 

Warning: fsockopen(): unable to connect to www.google:80 in c:\appserv\www\clsHtmlSource.php on line 294

Unable to connect to www.google on port 80 ( Opération réussie. )

(Request: GET / HTTP/1.0 Host: www.google )

 

 

PLEASE HELP ME !![/b]

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nadeemshafi9 Advanced Member

nadeemshafi9

Posted
Posted

it means ur address: port is wrong or, ur not able to connect to that address because its denied, i think u should leave the www out and use google.com, what are u trying to do ? more info, only http communication can occur through port 80 if u open a socket you have to talk HTTP headers and packets, why dont u just use the source tool in the browser to view source comando, special opps, its easy to get source code from a page fopen

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