Completed
Push — master ( 71aba4...27130a )
by Nazar
03:50
created

Request::ip()   A

Complexity

Conditions 3
Paths 3

Size

Total Lines 17
Code Lines 13

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 1 Features 0
Metric Value
cc 3
eloc 13
c 1
b 1
f 0
nc 3
nop 2
dl 0
loc 17
rs 9.4285
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<?php
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/**
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 * @package    Psr7
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 * @category   modules
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 * @author     Nazar Mokrynskyi <[email protected]>
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 * @copyright  Copyright (c) 2016, Nazar Mokrynskyi
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 * @license    MIT License, see license.txt
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 */
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namespace cs\modules\Psr7;
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use
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	cs\Request as System_request;
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class Request {
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	/**
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	 * Initialize request from PSR-7 request object
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	 *
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	 * @param \Psr\Http\Message\ServerRequestInterface $Psr7_request
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	 *
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	 * @throws \cs\ExitException
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	 */
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	static function init_from_psr7 ($Psr7_request) {
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		++System_request::$id;
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		$System_request = System_request::instance();
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		self::from_psr7_server($System_request, $Psr7_request);
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		self::from_psr7_query($System_request, $Psr7_request);
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		self::from_psr7_data_and_files($System_request, $Psr7_request);
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		$System_request->init_route();
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	}
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	/**
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	 * @param System_request                           $System_request
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	 * @param \Psr\Http\Message\ServerRequestInterface $Psr7_request
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	 */
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	protected static function from_psr7_server ($System_request, $Psr7_request) {
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		$uri                    = $Psr7_request->getUri();
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		$System_request->method = $Psr7_request->getMethod();
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		$System_request->host   = $uri->getHost();
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		$System_request->scheme = $uri->getScheme();
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		$System_request->secure = $System_request->scheme == 'https';
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		if (
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			(!$System_request->secure && $uri->getPort() != 80) ||
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			($System_request->secure && $uri->getPort() != 443)
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		) {
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			$System_request->host .= ':'.$uri->getPort();
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		}
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		$System_request->protocol     = 'HTTP/'.$Psr7_request->getProtocolVersion();
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		$System_request->path         = $uri->getPath();
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		$System_request->query_string = $uri->getQuery();
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		/** @noinspection NestedTernaryOperatorInspection */
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		$System_request->uri         = $System_request->path.($System_request->query_string ? "?$System_request->query_string" : '') ?: '/';
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		$System_request->remote_addr = @$Psr7_request->getServerParams()['REMOTE_ADDR'] ?: '127.0.0.1';
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		$System_request->ip          = self::ip($System_request, $Psr7_request);
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	}
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	/**
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	 * The best guessed IP of client (based on all known headers), `127.0.0.1` by default
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	 *
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	 * @param System_request                           $System_request
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	 * @param \Psr\Http\Message\ServerRequestInterface $Psr7_request
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	 *
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	 * @return string
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	 */
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	protected static function ip ($System_request, $Psr7_request) {
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		$potential_addresses = [
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			$Psr7_request->getHeaderLine('x-forwarded-for'),
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			$Psr7_request->getHeaderLine('client-ip'),
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			$Psr7_request->getHeaderLine('x-forwarded'),
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			$Psr7_request->getHeaderLine('x-cluster-client-ip'),
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			$Psr7_request->getHeaderLine('forwarded-for'),
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			$Psr7_request->getHeaderLine('forwarded')
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		];
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		foreach ($potential_addresses as $ip) {
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			$ip = trim(explode(',', $ip)[0]);
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			if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE)) {
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				return $ip;
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			}
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		}
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		return $System_request->remote_addr;
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	}
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	/**
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	 * @param System_request                           $System_request
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	 * @param \Psr\Http\Message\ServerRequestInterface $Psr7_request
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	 */
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	protected static function from_psr7_query ($System_request, $Psr7_request) {
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		$System_request->query = $Psr7_request->getQueryParams();
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	}
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	/**
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	 * @param System_request                           $System_request
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	 * @param \Psr\Http\Message\ServerRequestInterface $Psr7_request
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	 *
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	 * @throws \cs\ExitException
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	 */
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	protected static function from_psr7_data_and_files ($System_request, $Psr7_request) {
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		Psr7_data_stream::$stream = $Psr7_request->getBody();
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		$System_request->init_data_and_files([], [], fopen('request-psr7-data://', 'r'));
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	}
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}
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