/examples/jsonrpc/public/services/phpolait/httpwrap.php

<?php



/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */



/**

 * Wrapper for the appropriate HTTP post method for the system.

 *

 *

 *

 * PHP versions 4 and 5 (not tested under 5)

 *

 * LICENSE: LGPL

 *

 * @Release PHP-O-Lait Version 0.5

 *

 */

 

/**

 * Wraps a CURL object.

 * Code from : http://www.faqts.com/knowledge_base/view.phtml/aid/15705/fid/6

 * Changed to set request as text/plain, and to work correctly with my data type.

 * @access public

 */

class HttpWrapper_CURL {

	function post($URL, $data, $referrer="") {         

		 // parsing the given URL

		 $URL_Info=parse_url($URL);



		 // Building referrer

		 if($referrer=="") // if not given use this script as referrer

			 $referrer=$_SERVER["REQUEST_URI"];



		 $ch = curl_init();

		 curl_setopt($ch, CURLOPT_URL, $URL_Info["host"].$URL_Info["path"]);

		 curl_setopt($ch, CURLOPT_HEADER, 0);		// Don't return headers

		 curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);	// Return the result when curl_exec is called

		 curl_setopt($ch, CURLOPT_REFERER, $referrer );	// The referrer

		 curl_setopt($ch, CURLOPT_POST, 0);	// We're doing a post call

		 curl_setopt($ch, CURLOPT_POSTFIELDS, $data);	// Here's the post data

		 $result=curl_exec ($ch);

		 curl_close ($ch);

		 return $result;

	}

}



/**

 * Native PHP Http Wrapper.

 * Basic code idea from: http://www.faqts.com/knowledge_base/view.phtml/aid/15705/fid/6

 * Changed to send request as text/plain, and return only the response body.

 *

 * @access public

 */

class HttpWrapper_PHP {

	function post($URL, $data, $referrer="") {

		if($referrer=="") // if not given use this script as referrer

			$referrer=$_SERVER["SCRIPT_URI"];

	

		$URL_Info=parse_url($URL);

		if(!isset($URL_Info["port"]))

			$URL_Info["port"]=80;



		// building POST-request:

		$request.="POST ".$URL_Info["path"]." HTTP/1.0\n";

		$request.="Host: ".$URL_Info["host"]."\n";

		$request.="Referer: $referrer\n";

		$request.="Content-type: text/plain\n";

		$request.="Content-length: ".strlen($data)."\n";

		$request.="Connection: close\n";

		$request.="\n";

		$request.= $data ."\n";



	  $result = "";

		$fp = fsockopen($URL_Info["host"],$URL_Info["port"]);

		fputs($fp, $request);		

		// We don't capture the HTTP Header

		$bCapturing = false;

		while(!feof($fp)) {

				$curline = fgets($fp, 4096);

				if ($bCapturing) {

				  $result .= $curline;

				} elseif (strlen(trim($curline))==0) {

				  $bCapturing=true;

				} 

		}

		fclose($fp);

		

		/*

		echo "<b>HttpWrapper_PHP::post, Result = </b><br/><pre>";

		echo str_replace(array("<",">"),array("&lt;","&gt;"),$result);

		echo "</pre><hr>";

		*/

		

		return $result;

	}

}	

/**

 * Wrap HTTP Access.

 * Generates an appropriate wrapper for the system. If you would like to use a particular wrapper, just

 * modify this class method to return the appropriate wrapper for your system.

 * 

 * @access protected

 */

class HTTPWrapper {

	function GetWrapper() {

		if (extension_loaded("curl")) {

			return new HttpWrapper_CURL();

		} else {

			return new HttpWrapper_PHP();

		}

	}

}

?>