<?php
/**
* Store the response and give some info about it
* @author Daniele Cruciani <daniele@smartango.com>
*
*/
class HttpResponse {
const RESPONSE_SIGNATURE = '/^HTTP\/([0-9]+\.[0-9]+)\s+([0-9]+).*/';
public $content = '';
public $raw_headers = '';
public $header_first_row = '';
public $headers = array();
private $responseCode = 0;
private $has_header = 0;
/**
* store the response data after processing
* @param string $data
* @param int $has_header 0 has no header, 1 it has, 2 guess
*/
public function __construct($data,$has_header=2) {
if($has_header == 2) {
$pieces = preg_split('/\r\n\r\n/',$data);
if(preg_match(self::RESPONSE_SIGNATURE,$pieces[0])) {
$has_header = 1;
}
}
if($has_header == 1) {
$this->has_header = 1;
$pieces = preg_split('/\r\n\r\n/',$data);
//drupal_set_message(__FILE__.':'.__LINE__.' '.print_r($pieces,TRUE));
$inHeader = TRUE;
$this->content = '';
foreach($pieces as $piece) {
if($inHeader) {
if($this->raw_headers == '') {
$this->raw_headers = $piece;
} else {
$this->raw_headers .= "\r\n" .$piece;
}
} else {
if($this->content == '') {
$this->content = $piece;
} else {
$this->content .= "\r\n" .$piece;
}
}
// notice (1xx) and redirect (3xx)
if(!preg_match('/^HTTP[^\n]*[13][0-9]{2}/',$piece)) $inHeader = FALSE;
}
//$obj->row_headers = $pieces[0];
//array_shift($pieces);
//$obj->content = implode("\r\n",$pieces);
$headers = preg_split("/\r\n/",$this->raw_headers);
$this->header_first_row = $headers[0];
$this->headers = array();
foreach($headers as $i => $line) {
if(preg_match('/^([^:]*):\ (.*)$/',$line,$matches)) {
$this->headers[$matches[1]] = $matches[2];
}
}
}
if($has_header == 0) {
$this->content = $data;
}
}
/**
* return the http response code
* @return int http response code from header
*/
public function getResponseCode() {
if($this->responseCode>0) return $this->responseCode;
if($this->header_first_row != '') {
if(preg_match(self::RESPONSE_SIGNATURE, $this->header_first_row, $matches)) {
$this->responseCode = $matches[2];
return $this->responseCode;
}
}
if($this->has_header) return 0;
return 200;
//if(!$this->has_header && $this->content)
}
}
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