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<?php
/*
** Zabbix
** Copyright (C) 2001-2019 Zabbix SIA
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**/
/**
* Access the HTTP Request
*/
class CHttpRequest {
/**
* additional HTTP headers not prefixed with HTTP_ in $_SERVER superglobal
*/
public $add_headers = ['CONTENT_TYPE', 'CONTENT_LENGTH'];
/**
* Retrieve HTTP Body
* @param Array Additional Headers to retrieve
*/
public function __construct($add_headers = false) {
$this->retrieve_headers($add_headers);
$this->body = @file_get_contents('php://input');
}
/**
* Retrieve the HTTP request headers from the $_SERVER superglobal
* @param Array Additional Headers to retrieve
*/
public function retrieve_headers($add_headers = false) {
if ($add_headers) {
$this->add_headers = array_merge($this->add_headers, $add_headers);
}
if (isset($_SERVER['HTTP_METHOD'])) {
$this->method = $_SERVER['HTTP_METHOD'];
unset($_SERVER['HTTP_METHOD']);
}
else {
$this->method = isset($_SERVER['REQUEST_METHOD']) ? $_SERVER['REQUEST_METHOD'] : false;
}
$this->protocol = isset($_SERVER['SERVER_PROTOCOL']) ? $_SERVER['SERVER_PROTOCOL'] : false;
$this->request_method = isset($_SERVER['REQUEST_METHOD']) ? $_SERVER['REQUEST_METHOD'] : false;
$this->headers = [];
foreach ($_SERVER as $i => $val) {
if (strpos($i, 'HTTP_') === 0 || in_array($i, $this->add_headers)) {
$name = str_replace(['HTTP_', '_'], ['', '-'], $i);
$this->headers[$name] = $val;
}
}
}
/**
* Retrieve HTTP Method
*/
public function method() {
return $this->method;
}
/**
* Retrieve HTTP Body
*/
public function body() {
return $this->body;
}
/**
* Retrieve an HTTP Header
* @param string Case-Insensitive HTTP Header Name (eg: "User-Agent")
*/
public function header($name) {
$name = strtoupper($name);
return isset($this->headers[$name]) ? $this->headers[$name] : false;
}
/**
* Retrieve all HTTP Headers
* @return array HTTP Headers
*/
public function headers() {
return $this->headers;
}
/**
* Return Raw HTTP Request (note: This is incomplete)
* @param bool ReBuild the Raw HTTP Request
*/
public function raw($refresh = false) {
if (isset($this->raw) && !$refresh) {
return $this->raw; // return cached
}
$headers = $this->headers();
$this->raw = $this->method."\r\n";
foreach ($headers as $i=>$header) {
$this->raw .= $i.': '.$header."\r\n";
}
$this->raw .= "\r\n".$this->body;
return $this->raw;
}
}
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