+global\Jetpack_Signature::get_current_request_port()

Complexity

Conditions	9
Paths	32

Size

Total Lines

33

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
	public function get_current_request_port() {
		$host_port = isset( $_SERVER['HTTP_X_FORWARDED_PORT'] ) ? $this->sanitize_host_post( $_SERVER['HTTP_X_FORWARDED_PORT'] ) : '';
		if ( '' === $host_port && isset( $_SERVER['SERVER_PORT'] ) ) {
			$host_port = $this->sanitize_host_post( $_SERVER['SERVER_PORT'] );
		}

		/**
		 * Note: This port logic is tested in the Jetpack_Cxn_Tests->test__server_port_value() test.
		 * Please update the test if any changes are made in this logic.
		 */
		if ( is_ssl() ) {
			// 443: Standard Port
			// 80: Assume we're behind a proxy without X-Forwarded-Port. Hardcoding "80" here means most sites
			// with SSL termination proxies (self-served, Cloudflare, etc.) don't need to fiddle with
			// the JETPACK_SIGNATURE__HTTPS_PORT constant. The code also implies we can't talk to a
			// site at https://example.com:80/ (which would be a strange configuration).
			// JETPACK_SIGNATURE__HTTPS_PORT: Set this constant in wp-config.php to the back end webserver's port
			// if the site is behind a proxy running on port 443 without
			// X-Forwarded-Port and the back end's port is *not* 80. It's better,
			// though, to configure the proxy to send X-Forwarded-Port.
			$https_port = defined( 'JETPACK_SIGNATURE__HTTPS_PORT' ) ? $this->sanitize_host_post( JETPACK_SIGNATURE__HTTPS_PORT ) : '443';
			$port       = in_array( $host_port, array( '443', '80', $https_port ), true ) ? '' : $host_port;
		} else {
			// 80: Standard Port
			// JETPACK_SIGNATURE__HTTPS_PORT: Set this constant in wp-config.php to the back end webserver's port
			// if the site is behind a proxy running on port 80 without
			// X-Forwarded-Port. It's better, though, to configure the proxy to
			// send X-Forwarded-Port.
			$http_port = defined( 'JETPACK_SIGNATURE__HTTP_PORT' ) ? $this->sanitize_host_post( JETPACK_SIGNATURE__HTTP_PORT ) : '80';
			$port      = in_array( $host_port, array( '80', $http_port ), true ) ? '' : $host_port;
		}
		return (string) $port;
	}