编辑文件 - CHttpRequest.php

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路径: /usr/share/zabbix/include/classes/core/CHttpRequest.php
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<?php
/*
** Zabbix
** Copyright (C) 2001-2021 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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