PHP Classes

File: clsHtmlSource.php

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File: clsHtmlSource.php
Role: ???
Content type: text/plain
Description: The source
Class: HtmlSource
Author: By
Last change:
Date: 22 years ago
Size: 5,641 bytes
 

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<? /* ************************************************************************ * 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 ************************************************************************ */ /** * @title Html Source class - api for getting/posting to websites * @author C.Small * @version 1.0 * * - 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 */ Class HtmlSource { /* All vars are public */ // Common var $host; var $port = 80; var $page; var $request; var $httpversion; var $method = "GET"; var $timeout = 30; var $striptags; var $showsource; var $strip_responseheader = true; // Cookie var $cookies = array(); // GET var $getvars = array(); // POST var $postvars = array(); // Request fields var $accept; //format: Accept: */* var $accept_encoding;//format: gzip,deflate var $accept_language;//format: en-gb var $authorization; //format: username:password var $content_length; //format: 40 (for POST) var $content_type; //format: application/x-www-form-urlencoded var $date; //format: Date: Tue, 15 Nov 1994 08:12:31 GMT var $referer; //format: Referer: http://www.domain.com var $useragent; //format: User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0) function addPostVar($name,$value) { if (!empty($name) && !empty($value)) { $this->postvars[] =$name."=".$value; } } function addGetVar($name,$value) { if (!empty($name) && !empty($value)) { $this->getvars[] = $name."=".$value; } } function addCookie($name,$value) { if (!empty($name) && !empty($value)) { $this->cookies[] = $name."=".$value; } } 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->privateMakeRequest(); $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->privateMakeRequest(); $this->request .= "\r\n"; } // Open socket to URL $sHnd = fsockopen ($this->host, $this->port, $errno, $errstr, $this->timeout); fputs ($sHnd, $this->request); // Get source while (!feof($sHnd)) { $result .= fgets($sHnd,128); } // Strip header if ($this->strip_responseheader) { $result = $this->privateStripResponseHeader($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); } return $result; } // Make up headers function privateMakeRequest() { if (!empty($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 $result; } function privateStripResponseHeader($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; } } ?>