<?php
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/*
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This file is part of ActiveLink PHP NET Package (www.active-link.com).
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Copyright (c) 2002-2004 by Zurab Davitiani
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You can contact the author of this software via E-mail at
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hattrick@mailcan.com
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ActiveLink PHP NET Package is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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ActiveLink PHP NET Package 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
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with ActiveLink PHP NET Package; 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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/*
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* requires Socket class
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*/
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import("org.active-link.net.Socket");
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/**
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* HTTPClient class provides HTTP request functionality and ability to retrieve response
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* @class HTTPClient
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* @package org.active-link.net
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* @author Zurab Davitiani
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* @version 0.4.0
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* @extends Socket
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* @requires Socket
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* @see Socket
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*/
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class HTTPClient extends Socket {
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// protected properties
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var $defaultRequestMethod;
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var $defaultRequestURI;
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var $defaultRequestVersion;
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var $defaultRequestUserAgent;
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var $defaultRequestBody;
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var $requestMethod;
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var $requestURI;
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var $requestVersion;
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var $requestUserAgent;
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var $requestHeaders;
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/**
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* HTTP client class constructor accepts host (required) and port (optional, default 80) arguments
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* @method HTTPClient
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* @param string host
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* @param optional int port
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*/
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function HTTPClient($host, $port = 80) {
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$this->Socket($host, $port);
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$this->defaultRequestMethod = "GET";
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$this->defaultRequestURI = "/";
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$this->defaultRequestVersion = "HTTP/1.0";
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$this->defaultRequestUserAgent = "ActiveLink NET Object/0.3.3";
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$this->defaultRequestBody = "";
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$this->requestMethod = $this->defaultRequestMethod;
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$this->requestURI = $this->defaultRequestURI;
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$this->requestVersion = $this->defaultRequestVersion;
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$this->requestUserAgent = $this->defaultRequestUserAgent;
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$this->requestBody = $this->defaultRequestBody;
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$this->requestHeaders = array();
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}
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/**
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* Adds a supplied raw header to the internal header array
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* @method addRequestHeaderRaw
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* @param string header
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* @returns none
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*/
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function addRequestHeaderRaw($header) {
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$this->requestHeaders[] = $header;
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}
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/**
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* Gets a string containing all HTTP request headers in their raw form
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* @method getRequestHeaders
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* @returns string request HTTP headers
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*/
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function getRequestHeaders() {
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$headers = $this->requestMethod . " " . $this->requestURI . " " . $this->requestVersion . "\r\n";
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$headers .= "User-Agent: " . $this->requestUserAgent . "\r\n";
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$headers .= "Host: " . $this->host . "\r\n";
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foreach($this->requestHeaders as $header) {
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$headers .= $header . "\r\n";
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}
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if($this->requestMethod == "POST") {
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$contentLength = strlen($this->requestBody);
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$headers .= "Content-length: " . $contentLength . "\r\n";
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}
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$headers .= "Connection: close\r\n\r\n";
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return $headers;
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}
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/**
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* Sets HTTP request body/payload, used only when request method is POST
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* @method setRequestBody
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* @param string body
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* @returns none
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*/
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function setRequestBody($body) {
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$this->requestBody = $body;
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}
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/**
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* Sets HTTP request method, GET or POST
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* @method setRequestMethod
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* @param string method
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* @returns none
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*/
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function setRequestMethod($method) {
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$this->requestMethod = strtoupper($method);
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}
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/**
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* Sets request URI, if not set here, default will be /
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* @method setRequestURI
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* @param string uri
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* @returns none
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*/
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function setRequestURI($uri) {
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$this->requestURI = $uri;
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}
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/**
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* Sets HTTP request User-Agent to send to the server, default is "ActiveLink NET Object/version"
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* @method setRequestUserAgent
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* @param string userAgent
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* @returns none
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*/
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function setRequestUserAgent($userAgent) {
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$this->setRequestUserAgent = $userAgent;
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}
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/**
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* Sets HTTP protocol version to be used, default is "HTTP/1.0"
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* @method setRequestVersion
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* @param string version
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* @returns none
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*/
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function setRequestVersion($version) {
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$this->requestVersion = $version;
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}
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/**
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* After all settings are complete, send the request to the server
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* @method sendRequest
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* @returns string server response if successful, false otherwise
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*/
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function sendRequest() {
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$response = false;
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$request = $this->getRequestHeaders();
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$request .= $this->requestBody;
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$success = $this->connect();
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if($success) {
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$response = $this->sendReceive($request);
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$this->disconnect();
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}
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return $response;
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}
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}
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