Location: PHPKode > scripts > JAXL > abhinavsingh-JAXL-c5dba43/http/http_client.php
<?php 
/**
 * Jaxl (Jabber XMPP Library)
 *
 * Copyright (c) 2009-2012, Abhinav Singh <hide@address.com>.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in
 * the documentation and/or other materials provided with the
 * distribution.
 *
 * * Neither the name of Abhinav Singh nor the names of his
 * contributors may be used to endorse or promote products derived
 * from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRIC
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 */

require_once JAXL_CWD.'/core/jaxl_socket_client.php';

class HTTPClient {
	
	private $url = null;
	private $parts = array();
	
	private $headers = array();
	private $data = null;
	public $method = 'GET';
	
	private $client = null;
	
	public function __construct($url, $headers=array(), $data=null) {
		$this->url = $url;
		$this->headers = $headers;
		$this->data = $data;
		
		$this->client = new JAXLSocketClient();
		$this->client->set_callback(array(&$this, 'on_response'));
	}
	
	public function start() {
		$this->parts = parse_url($this->url);
		$transport = $this->_transport();
		$ip = $this->_ip();
		$port = $this->_port();
		
		$socket_path = $transport.'://'.$ip.':'.$port;
		if($this->client->connect($socket_path)) {
			_debug("connection to $this->url established");
			
			// send request data
			$this->send_request();
			
			// start loop and wait for response
			JAXLLoop::run();
		}
		else {
			_debug("unable to open $this->url");
		}
	}
	
	public function on_response($raw) {
		_debug($raw);
	}
	
	protected function send_request() {
		$this->client->send($this->_line()."\r\n");
		$this->client->send($this->_ua()."\r\n");
		$this->client->send($this->_host()."\r\n");
		$this->client->send("\r\n");
	}
	
	//
	// private methods on uri parts
	//
	
	private function _line() {
		return $this->method.' '.$this->_uri().' HTTP/1.1';
	}
	
	private function _ua() {
		return 'User-Agent: jaxl_http_client/3.x';
	}
	
	private function _host() {
		return 'Host: '.$this->parts['host'].':'.$this->_port();
	}
	
	private function _transport() {
		return ($this->parts['scheme'] == 'http' ? 'tcp' : 'ssl');
	}
	
	private function _ip() {
		return gethostbyname($this->parts['host']);
	}
	
	private function _port() {
		return @$this->parts['port'] ? $this->parts['port'] : 80;
	}
	
	private function _uri() {
		$uri = $this->parts['path'];
		if(@$this->parts['query']) $uri .= '?'.$this->parts['query'];
		if(@$this->parts['fragment']) $uri .= '#'.$this->parts['fragment'];
		return $uri;
	}
	
}

?>
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