FM / wp-includes

/home/altere25/berryglowbeauty.com/wp-includes/

/home/altere25/berryglowbeauty.com/wp-includes

Name	Size	Mode	Actions
blocks/	-	0755	rm
certificates/	-	0755	rm
css/	-	0755	rm
customize/	-	0755	rm
fonts/	-	0755	rm
ID3/	-	0755	rm
images/	-	0755	rm
IXR/	-	0755	rm
js/	-	0755	rm
pomo/	-	0755	rm
random_compat/	-	0755	rm
Requests/	-	0755	rm
rest-api/	-	0755	rm
SimplePie/	-	0755	rm
sodium_compat/	-	0755	rm
Text/	-	0755	rm
theme-compat/	-	0755	rm
widgets/	-	0755	rm
.htaccess	178	0644	edit dl rm
admin-bar.php	30952	0644	edit dl rm
atomlib.php	11840	0644	edit dl rm
author-template.php	16995	0644	edit dl rm
blocks.php	19242	0644	edit dl rm
bookmark-template.php	12497	0644	edit dl rm
bookmark.php	15014	0644	edit dl rm
cache.php	21874	0644	edit dl rm
canonical.php	29474	0644	edit dl rm
capabilities.php	34089	0644	edit dl rm
category-template.php	52638	0644	edit dl rm
category.php	12378	0644	edit dl rm
class-feed.php	544	0644	edit dl rm
class-http.php	38763	0644	edit dl rm
class-IXR.php	2573	0644	edit dl rm
class-json.php	43390	0644	edit dl rm
class-oembed.php	410	0644	edit dl rm
class-phpass.php	7317	0644	edit dl rm
class-phpmailer.php	148592	0644	edit dl rm
class-pop3.php	20919	0644	edit dl rm
class-requests.php	29798	0644	edit dl rm
class-simplepie.php	89264	0644	edit dl rm
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class-snoopy.php	37785	0644	edit dl rm
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class-walker-comment.php	13685	0644	edit dl rm
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class-walker-page.php	7033	0644	edit dl rm
class-wp-admin-bar.php	16951	0644	edit dl rm
class-wp-ajax-response.php	5235	0644	edit dl rm
class-wp-block-parser.php	15215	0644	edit dl rm
class-wp-block-styles-registry.php	4663	0644	edit dl rm
class-wp-block-type-registry.php	5091	0644	edit dl rm
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class-wp-comment-query.php	44514	0644	edit dl rm
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class-wp-customize-control.php	25054	0644	edit dl rm
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class-wp-customize-nav-menus.php	54963	0644	edit dl rm
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class-wp-customize-section.php	10168	0644	edit dl rm
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class-wp-date-query.php	35276	0644	edit dl rm
class-wp-dependency.php	2501	0644	edit dl rm
class-wp-editor.php	68219	0644	edit dl rm
class-wp-embed.php	14746	0644	edit dl rm
class-wp-error.php	4923	0644	edit dl rm
class-wp-fatal-error-handler.php	7429	0644	edit dl rm
class-wp-feed-cache-transient.php	2560	0644	edit dl rm
class-wp-feed-cache.php	749	0644	edit dl rm
class-wp-hook.php	14294	0644	edit dl rm
class-wp-http-cookie.php	7146	0644	edit dl rm
class-wp-http-curl.php	12327	0644	edit dl rm
class-wp-http-encoding.php	6542	0644	edit dl rm
class-wp-http-ixr-client.php	3331	0644	edit dl rm
class-wp-http-proxy.php	6077	0644	edit dl rm
class-wp-http-requests-hooks.php	1949	0644	edit dl rm
class-wp-http-requests-response.php	4343	0644	edit dl rm
class-wp-http-response.php	2951	0644	edit dl rm
class-wp-http-streams.php	16070	0644	edit dl rm
class-wp-image-editor-gd.php	13886	0644	edit dl rm
class-wp-image-editor-imagick.php	28828	0644	edit dl rm
class-wp-image-editor.php	13911	0644	edit dl rm
class-wp-list-util.php	6407	0644	edit dl rm
class-wp-locale-switcher.php	5022	0644	edit dl rm
class-wp-locale.php	13893	0644	edit dl rm
class-wp-matchesmapregex.php	1804	0644	edit dl rm
class-wp-meta-query.php	27847	0644	edit dl rm
class-wp-metadata-lazyloader.php	5384	0644	edit dl rm
class-wp-network-query.php	18368	0644	edit dl rm
class-wp-network.php	12284	0644	edit dl rm
class-wp-oembed-controller.php	6027	0644	edit dl rm
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class-wp-paused-extensions-storage.php	4933	0644	edit dl rm
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class-wp-query.php	131083	0644	edit dl rm
class-wp-recovery-mode-cookie-service.php	6459	0644	edit dl rm
class-wp-recovery-mode-email-service.php	10122	0644	edit dl rm
class-wp-recovery-mode-key-service.php	4284	0644	edit dl rm
class-wp-recovery-mode-link-service.php	3370	0644	edit dl rm
class-wp-recovery-mode.php	11358	0644	edit dl rm
class-wp-rewrite.php	59893	0644	edit dl rm
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class-wp-session-tokens.php	7430	0644	edit dl rm
class-wp-simplepie-file.php	2326	0644	edit dl rm
class-wp-simplepie-sanitize-kses.php	1775	0644	edit dl rm
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class-wp-text-diff-renderer-inline.php	716	0644	edit dl rm
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class-wp-theme.php	50973	0644	edit dl rm
class-wp-user-meta-session-tokens.php	2990	0644	edit dl rm
class-wp-user-query.php	31298	0644	edit dl rm
class-wp-user-request.php	1996	0644	edit dl rm
class-wp-user.php	21766	0644	edit dl rm
class-wp-walker.php	12718	0644	edit dl rm
class-wp-widget-factory.php	2853	0644	edit dl rm
class-wp-widget.php	17842	0644	edit dl rm
class-wp-xmlrpc-server.php	210072	0644	edit dl rm
class-wp.php	24551	0644	edit dl rm
class.wp-dependencies.php	11524	0644	edit dl rm
class.wp-scripts.php	17756	0644	edit dl rm
class.wp-styles.php	10532	0644	edit dl rm
comment-template.php	91640	0644	edit dl rm
comment.php	117233	0644	edit dl rm
compat.php	12982	0644	edit dl rm
cron.php	32451	0644	edit dl rm
date.php	409	0644	edit dl rm
default-constants.php	10122	0644	edit dl rm
default-filters.php	25894	0644	edit dl rm
default-widgets.php	2180	0644	edit dl rm
deprecated.php	114644	0644	edit dl rm
embed-template.php	344	0644	edit dl rm
embed.php	47367	0644	edit dl rm
error-protection.php	3387	0644	edit dl rm
error_log	1764	0644	edit dl rm
feed-atom-comments.php	5405	0644	edit dl rm
feed-atom.php	3081	0644	edit dl rm
feed-rdf.php	2660	0644	edit dl rm
feed-rss.php	1190	0644	edit dl rm
feed-rss2-comments.php	4150	0644	edit dl rm
feed-rss2.php	3782	0644	edit dl rm
feed.php	22022	0644	edit dl rm
formatting.php	298428	0644	edit dl rm
functions.php	228155	0644	edit dl rm
functions.wp-scripts.php	12824	0644	edit dl rm
functions.wp-styles.php	8219	0644	edit dl rm
general-template.php	152465	0644	edit dl rm
http.php	24324	0644	edit dl rm
kses.php	58723	0644	edit dl rm
l10n.php	53102	0644	edit dl rm
link-template.php	143524	0644	edit dl rm
load.php	43291	0644	edit dl rm
locale.php	162	0644	edit dl rm
media-template.php	57710	0644	edit dl rm
media.php	149717	0644	edit dl rm
meta.php	47749	0644	edit dl rm
ms-blogs.php	24413	0644	edit dl rm
ms-default-constants.php	4785	0644	edit dl rm
ms-default-filters.php	6414	0644	edit dl rm
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ms-files.php	2649	0644	edit dl rm
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ms-load.php	19624	0644	edit dl rm
ms-network.php	3658	0644	edit dl rm
ms-settings.php	4134	0644	edit dl rm
ms-site.php	43073	0644	edit dl rm
nav-menu-template.php	22053	0644	edit dl rm
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option.php	70145	0644	edit dl rm
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post-formats.php	7053	0644	edit dl rm
post-template.php	62915	0644	edit dl rm
post-thumbnail-template.php	8988	0644	edit dl rm
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query.php	32929	0644	edit dl rm
registration-functions.php	202	0644	edit dl rm
registration.php	202	0644	edit dl rm
rest-api.php	46630	0644	edit dl rm
revision.php	21686	0644	edit dl rm
rewrite.php	18030	0644	edit dl rm
rss-functions.php	214	0644	edit dl rm
rss.php	23208	0644	edit dl rm
script-loader.php	113551	0644	edit dl rm
session.php	264	0644	edit dl rm
shortcodes.php	21704	0644	edit dl rm
spl-autoload-compat.php	443	0644	edit dl rm
taxonomy.php	157961	0644	edit dl rm
template-loader.php	3190	0644	edit dl rm
template.php	21046	0644	edit dl rm
theme.php	104876	0644	edit dl rm
update.php	25573	0644	edit dl rm
user.php	124532	0644	edit dl rm
vars.php	5815	0644	edit dl rm
version.php	762	0644	edit dl rm
widgets.php	58750	0644	edit dl rm
wlwmanifest.xml	1045	0644	edit dl rm
wp-db.php	103829	0644	edit dl rm
wp-diff.php	662	0644	edit dl rm

Edit: /home/altere25/berryglowbeauty.com/wp-includes/http.php (24324B)

<?php
/**
 * Core HTTP Request API
 *
 * Standardizes the HTTP requests for WordPress. Handles cookies, gzip encoding and decoding, chunk
 * decoding, if HTTP 1.1 and various other difficult HTTP protocol implementations.
 *
 * @package WordPress
 * @subpackage HTTP
 */

/**
 * Returns the initialized WP_Http Object
 *
 * @since 2.7.0
 * @access private
 *
 * @staticvar WP_Http $http
 *
 * @return WP_Http HTTP Transport object.
 */
function _wp_http_get_object() {
	static $http = null;

if ( is_null( $http ) ) {
		$http = new WP_Http();
	}
	return $http;
}

/**
 * Retrieve the raw response from a safe HTTP request.
 *
 * This function is ideal when the HTTP request is being made to an arbitrary
 * URL. The URL is validated to avoid redirection and request forgery attacks.
 *
 * @since 3.6.0
 *
 * @see wp_remote_request() For more information on the response array format.
 * @see WP_Http::request() For default arguments information.
 *
 * @param string $url  URL to retrieve.
 * @param array  $args Optional. Request arguments. Default empty array.
 * @return WP_Error|array The response or WP_Error on failure.
 */
function wp_safe_remote_request( $url, $args = array() ) {
	$args['reject_unsafe_urls'] = true;
	$http                       = _wp_http_get_object();
	return $http->request( $url, $args );
}

/**
 * Retrieve the raw response from a safe HTTP request using the GET method.
 *
 * This function is ideal when the HTTP request is being made to an arbitrary
 * URL. The URL is validated to avoid redirection and request forgery attacks.
 *
 * @since 3.6.0
 *
 * @see wp_remote_request() For more information on the response array format.
 * @see WP_Http::request() For default arguments information.
 *
 * @param string $url  URL to retrieve.
 * @param array  $args Optional. Request arguments. Default empty array.
 * @return WP_Error|array The response or WP_Error on failure.
 */
function wp_safe_remote_get( $url, $args = array() ) {
	$args['reject_unsafe_urls'] = true;
	$http                       = _wp_http_get_object();
	return $http->get( $url, $args );
}

/**
 * Retrieve the raw response from a safe HTTP request using the POST method.
 *
 * This function is ideal when the HTTP request is being made to an arbitrary
 * URL. The URL is validated to avoid redirection and request forgery attacks.
 *
 * @since 3.6.0
 *
 * @see wp_remote_request() For more information on the response array format.
 * @see WP_Http::request() For default arguments information.
 *
 * @param string $url  URL to retrieve.
 * @param array  $args Optional. Request arguments. Default empty array.
 * @return WP_Error|array The response or WP_Error on failure.
 */
function wp_safe_remote_post( $url, $args = array() ) {
	$args['reject_unsafe_urls'] = true;
	$http                       = _wp_http_get_object();
	return $http->post( $url, $args );
}

/**
 * Retrieve the raw response from a safe HTTP request using the HEAD method.
 *
 * This function is ideal when the HTTP request is being made to an arbitrary
 * URL. The URL is validated to avoid redirection and request forgery attacks.
 *
 * @since 3.6.0
 *
 * @see wp_remote_request() For more information on the response array format.
 * @see WP_Http::request() For default arguments information.
 *
 * @param string $url  URL to retrieve.
 * @param array  $args Optional. Request arguments. Default empty array.
 * @return WP_Error|array The response or WP_Error on failure.
 */
function wp_safe_remote_head( $url, $args = array() ) {
	$args['reject_unsafe_urls'] = true;
	$http                       = _wp_http_get_object();
	return $http->head( $url, $args );
}

/**
 * Performs an HTTP request and returns its response.
 *
 * There are other API functions available which abstract away the HTTP method:
 *
 *  - Default 'GET'  for wp_remote_get()
 *  - Default 'POST' for wp_remote_post()
 *  - Default 'HEAD' for wp_remote_head()
 *
 * @since 2.7.0
 *
 * @see WP_Http::request() For information on default arguments.
 *
 * @param string $url  URL to retrieve.
 * @param array  $args Optional. Request arguments. Default empty array.
 * @return WP_Error|array {
 *     The response array or a WP_Error on failure.
 *
 *     @type string[]                       $headers       Array of response headers keyed by their name.
 *     @type string                         $body          Response body.
 *     @type array                          $response      {
 *         Data about the HTTP response.
 *
 *         @type int|false    $code    HTTP response code.
 *         @type string|false $message HTTP response message.
 *     }
 *     @type WP_HTTP_Cookie[]               $cookies       Array of response cookies.
 *     @type WP_HTTP_Requests_Response|null $http_response Raw HTTP response object.
 * }
 */
function wp_remote_request( $url, $args = array() ) {
	$http = _wp_http_get_object();
	return $http->request( $url, $args );
}

/**
 * Performs an HTTP request using the GET method and returns its response.
 *
 * @since 2.7.0
 *
 * @see wp_remote_request() For more information on the response array format.
 * @see WP_Http::request() For default arguments information.
 *
 * @param string $url  URL to retrieve.
 * @param array  $args Optional. Request arguments. Default empty array.
 * @return WP_Error|array The response or WP_Error on failure.
 */
function wp_remote_get( $url, $args = array() ) {
	$http = _wp_http_get_object();
	return $http->get( $url, $args );
}

/**
 * Performs an HTTP request using the POST method and returns its response.
 *
 * @since 2.7.0
 *
 * @see wp_remote_request() For more information on the response array format.
 * @see WP_Http::request() For default arguments information.
 *
 * @param string $url  URL to retrieve.
 * @param array  $args Optional. Request arguments. Default empty array.
 * @return WP_Error|array The response or WP_Error on failure.
 */
function wp_remote_post( $url, $args = array() ) {
	$http = _wp_http_get_object();
	return $http->post( $url, $args );
}

/**
 * Performs an HTTP request using the HEAD method and returns its response.
 *
 * @since 2.7.0
 *
 * @see wp_remote_request() For more information on the response array format.
 * @see WP_Http::request() For default arguments information.
 *
 * @param string $url  URL to retrieve.
 * @param array  $args Optional. Request arguments. Default empty array.
 * @return WP_Error|array The response or WP_Error on failure.
 */
function wp_remote_head( $url, $args = array() ) {
	$http = _wp_http_get_object();
	return $http->head( $url, $args );
}

/**
 * Retrieve only the headers from the raw response.
 *
 * @since 2.7.0
 * @since 4.6.0 Return value changed from an array to an Requests_Utility_CaseInsensitiveDictionary instance.
 *
 * @see \Requests_Utility_CaseInsensitiveDictionary
 *
 * @param array|WP_Error $response HTTP response.
 * @return array|\Requests_Utility_CaseInsensitiveDictionary The headers of the response. Empty array if incorrect parameter given.
 */
function wp_remote_retrieve_headers( $response ) {
	if ( is_wp_error( $response ) || ! isset( $response['headers'] ) ) {
		return array();
	}

return $response['headers'];
}

/**
 * Retrieve a single header by name from the raw response.
 *
 * @since 2.7.0
 *
 * @param array|WP_Error $response HTTP response.
 * @param string         $header   Header name to retrieve value from.
 * @return string The header value. Empty string on if incorrect parameter given, or if the header doesn't exist.
 */
function wp_remote_retrieve_header( $response, $header ) {
	if ( is_wp_error( $response ) || ! isset( $response['headers'] ) ) {
		return '';
	}

if ( isset( $response['headers'][ $header ] ) ) {
		return $response['headers'][ $header ];
	}

return '';
}

/**
 * Retrieve only the response code from the raw response.
 *
 * Will return an empty array if incorrect parameter value is given.
 *
 * @since 2.7.0
 *
 * @param array|WP_Error $response HTTP response.
 * @return int|string The response code as an integer. Empty string on incorrect parameter given.
 */
function wp_remote_retrieve_response_code( $response ) {
	if ( is_wp_error( $response ) || ! isset( $response['response'] ) || ! is_array( $response['response'] ) ) {
		return '';
	}

return $response['response']['code'];
}

/**
 * Retrieve only the response message from the raw response.
 *
 * Will return an empty array if incorrect parameter value is given.
 *
 * @since 2.7.0
 *
 * @param array|WP_Error $response HTTP response.
 * @return string The response message. Empty string on incorrect parameter given.
 */
function wp_remote_retrieve_response_message( $response ) {
	if ( is_wp_error( $response ) || ! isset( $response['response'] ) || ! is_array( $response['response'] ) ) {
		return '';
	}

return $response['response']['message'];
}

/**
 * Retrieve only the body from the raw response.
 *
 * @since 2.7.0
 *
 * @param array|WP_Error $response HTTP response.
 * @return string The body of the response. Empty string if no body or incorrect parameter given.
 */
function wp_remote_retrieve_body( $response ) {
	if ( is_wp_error( $response ) || ! isset( $response['body'] ) ) {
		return '';
	}

return $response['body'];
}

/**
 * Retrieve only the cookies from the raw response.
 *
 * @since 4.4.0
 *
 * @param array|WP_Error $response HTTP response.
 * @return WP_Http_Cookie[] An array of `WP_Http_Cookie` objects from the response. Empty array if there are none, or the response is a WP_Error.
 */
function wp_remote_retrieve_cookies( $response ) {
	if ( is_wp_error( $response ) || empty( $response['cookies'] ) ) {
		return array();
	}

return $response['cookies'];
}

/**
 * Retrieve a single cookie by name from the raw response.
 *
 * @since 4.4.0
 *
 * @param array|WP_Error $response HTTP response.
 * @param string         $name     The name of the cookie to retrieve.
 * @return WP_Http_Cookie|string The `WP_Http_Cookie` object. Empty string if the cookie isn't present in the response.
 */
function wp_remote_retrieve_cookie( $response, $name ) {
	$cookies = wp_remote_retrieve_cookies( $response );

if ( empty( $cookies ) ) {
		return '';
	}

foreach ( $cookies as $cookie ) {
		if ( $cookie->name === $name ) {
			return $cookie;
		}
	}

return '';
}

/**
 * Retrieve a single cookie's value by name from the raw response.
 *
 * @since 4.4.0
 *
 * @param array|WP_Error $response HTTP response.
 * @param string         $name     The name of the cookie to retrieve.
 * @return string The value of the cookie. Empty string if the cookie isn't present in the response.
 */
function wp_remote_retrieve_cookie_value( $response, $name ) {
	$cookie = wp_remote_retrieve_cookie( $response, $name );

if ( ! is_a( $cookie, 'WP_Http_Cookie' ) ) {
		return '';
	}

return $cookie->value;
}

/**
 * Determines if there is an HTTP Transport that can process this request.
 *
 * @since 3.2.0
 *
 * @param array  $capabilities Array of capabilities to test or a wp_remote_request() $args array.
 * @param string $url          Optional. If given, will check if the URL requires SSL and adds
 *                             that requirement to the capabilities array.
 *
 * @return bool
 */
function wp_http_supports( $capabilities = array(), $url = null ) {
	$http = _wp_http_get_object();

$capabilities = wp_parse_args( $capabilities );

$count = count( $capabilities );

// If we have a numeric $capabilities array, spoof a wp_remote_request() associative $args array
	if ( $count && count( array_filter( array_keys( $capabilities ), 'is_numeric' ) ) == $count ) {
		$capabilities = array_combine( array_values( $capabilities ), array_fill( 0, $count, true ) );
	}

if ( $url && ! isset( $capabilities['ssl'] ) ) {
		$scheme = parse_url( $url, PHP_URL_SCHEME );
		if ( 'https' == $scheme || 'ssl' == $scheme ) {
			$capabilities['ssl'] = true;
		}
	}

return (bool) $http->_get_first_available_transport( $capabilities );
}

/**
 * Get the HTTP Origin of the current request.
 *
 * @since 3.4.0
 *
 * @return string URL of the origin. Empty string if no origin.
 */
function get_http_origin() {
	$origin = '';
	if ( ! empty( $_SERVER['HTTP_ORIGIN'] ) ) {
		$origin = $_SERVER['HTTP_ORIGIN'];
	}

/**
	 * Change the origin of an HTTP request.
	 *
	 * @since 3.4.0
	 *
	 * @param string $origin The original origin for the request.
	 */
	return apply_filters( 'http_origin', $origin );
}

/**
 * Retrieve list of allowed HTTP origins.
 *
 * @since 3.4.0
 *
 * @return string[] Array of origin URLs.
 */
function get_allowed_http_origins() {
	$admin_origin = parse_url( admin_url() );
	$home_origin  = parse_url( home_url() );

// @todo preserve port?
	$allowed_origins = array_unique(
		array(
			'http://' . $admin_origin['host'],
			'https://' . $admin_origin['host'],
			'http://' . $home_origin['host'],
			'https://' . $home_origin['host'],
		)
	);

/**
	 * Change the origin types allowed for HTTP requests.
	 *
	 * @since 3.4.0
	 *
	 * @param string[] $allowed_origins {
	 *     Array of default allowed HTTP origins.
	 *
	 *     @type string $0 Non-secure URL for admin origin.
	 *     @type string $1 Secure URL for admin origin.
	 *     @type string $2 Non-secure URL for home origin.
	 *     @type string $3 Secure URL for home origin.
	 * }
	 */
	return apply_filters( 'allowed_http_origins', $allowed_origins );
}

/**
 * Determines if the HTTP origin is an authorized one.
 *
 * @since 3.4.0
 *
 * @param null|string $origin Origin URL. If not provided, the value of get_http_origin() is used.
 * @return string Origin URL if allowed, empty string if not.
 */
function is_allowed_http_origin( $origin = null ) {
	$origin_arg = $origin;

if ( null === $origin ) {
		$origin = get_http_origin();
	}

if ( $origin && ! in_array( $origin, get_allowed_http_origins() ) ) {
		$origin = '';
	}

/**
	 * Change the allowed HTTP origin result.
	 *
	 * @since 3.4.0
	 *
	 * @param string $origin     Origin URL if allowed, empty string if not.
	 * @param string $origin_arg Original origin string passed into is_allowed_http_origin function.
	 */
	return apply_filters( 'allowed_http_origin', $origin, $origin_arg );
}

/**
 * Send Access-Control-Allow-Origin and related headers if the current request
 * is from an allowed origin.
 *
 * If the request is an OPTIONS request, the script exits with either access
 * control headers sent, or a 403 response if the origin is not allowed. For
 * other request methods, you will receive a return value.
 *
 * @since 3.4.0
 *
 * @return string|false Returns the origin URL if headers are sent. Returns false
 *                      if headers are not sent.
 */
function send_origin_headers() {
	$origin = get_http_origin();

if ( is_allowed_http_origin( $origin ) ) {
		header( 'Access-Control-Allow-Origin: ' . $origin );
		header( 'Access-Control-Allow-Credentials: true' );
		if ( 'OPTIONS' === $_SERVER['REQUEST_METHOD'] ) {
			exit;
		}
		return $origin;
	}

if ( 'OPTIONS' === $_SERVER['REQUEST_METHOD'] ) {
		status_header( 403 );
		exit;
	}

return false;
}

/**
 * Validate a URL for safe use in the HTTP API.
 *
 * @since 3.5.2
 *
 * @param string $url Request URL.
 * @return false|string URL or false on failure.
 */
function wp_http_validate_url( $url ) {
	$original_url = $url;
	$url          = wp_kses_bad_protocol( $url, array( 'http', 'https' ) );
	if ( ! $url || strtolower( $url ) !== strtolower( $original_url ) ) {
		return false;
	}

$parsed_url = @parse_url( $url );
	if ( ! $parsed_url || empty( $parsed_url['host'] ) ) {
		return false;
	}

if ( isset( $parsed_url['user'] ) || isset( $parsed_url['pass'] ) ) {
		return false;
	}

if ( false !== strpbrk( $parsed_url['host'], ':#?[]' ) ) {
		return false;
	}

$parsed_home = @parse_url( get_option( 'home' ) );

if ( isset( $parsed_home['host'] ) ) {
		$same_host = strtolower( $parsed_home['host'] ) === strtolower( $parsed_url['host'] );
	} else {
		$same_host = false;
	}

if ( ! $same_host ) {
		$host = trim( $parsed_url['host'], '.' );
		if ( preg_match( '#^(([1-9]?\d|1\d\d|25[0-5]|2[0-4]\d)\.){3}([1-9]?\d|1\d\d|25[0-5]|2[0-4]\d)$#', $host ) ) {
			$ip = $host;
		} else {
			$ip = gethostbyname( $host );
			if ( $ip === $host ) { // Error condition for gethostbyname()
				return false;
			}
		}
		if ( $ip ) {
			$parts = array_map( 'intval', explode( '.', $ip ) );

/*
			 * These IP address ranges are not considered valid external hosts for HTTP requests.
			 *
			 * If the host resolves to an IP address in these ranges, the request will be rejected unless the 'http_request_host_is_external' filter allows it.
			 *
			 * References:
			 *
			 * - IPv4 Special-Purpose Address Space: https://www.iana.org/assignments/iana-ipv4-special-registry/iana-ipv4-special-registry.xhtml
			 * - IPv4 Multicast Address Assignments: https://www.rfc-editor.org/rfc/rfc5771.html
			 */
			if ( 127 === $parts[0] || 10 === $parts[0] || 0 === $parts[0]          // 127.0.0.0/8 (loopback), 10.0.0.0/8 (private), 0.0.0.0/8 (this network).
				|| ( 172 === $parts[0] && 16 <= $parts[1] && 31 >= $parts[1] )     // 172.16.0.0/12 (private).
				|| ( 192 === $parts[0] && 168 === $parts[1] )                      // 192.168.0.0/16 (private).
				|| ( 192 === $parts[0] && 0 === $parts[1] && 0 === $parts[2] )     // 192.0.0.0/24 (IETF protocol assignments).
				|| ( 192 === $parts[0] && 0 === $parts[1] && 2 === $parts[2] )     // 192.0.2.0/24 (TEST-NET-1).
				|| ( 192 === $parts[0] && 88 === $parts[1] && 99 === $parts[2] )   // 192.88.99.0/24 (6to4 relay anycast).
				|| ( 198 === $parts[0] && 51 === $parts[1] && 100 === $parts[2] )  // 198.51.100.0/24 (TEST-NET-2).
				|| ( 203 === $parts[0] && 0 === $parts[1] && 113 === $parts[2] )   // 203.0.113.0/24 (TEST-NET-3).
				|| ( 169 === $parts[0] && 254 === $parts[1] )                      // 169.254.0.0/16 (link-local and cloud metadata).
				|| ( 100 === $parts[0] && 64 <= $parts[1] && 127 >= $parts[1] )    // 100.64.0.0/10 (CGNAT).
				|| ( 198 === $parts[0] && 18 <= $parts[1] && 19 >= $parts[1] )     // 198.18.0.0/15 (benchmarking).
				|| ( 224 <= $parts[0] && 239 >= $parts[0] )                        // 224.0.0.0/4 (multicast).
				|| 240 <= $parts[0]                                                // 240.0.0.0/4 (reserved, includes 255.255.255.255 broadcast).
			) {
				// If host appears local, reject unless specifically allowed.
				/**
				 * Check if HTTP request is external or not.
				 *
				 * Allows to change and allow external requests for the HTTP request.
				 *
				 * @since 3.6.0
				 *
				 * @param bool   $external Whether HTTP request is external or not.
				 * @param string $host     Host name of the requested URL.
				 * @param string $url      Requested URL.
				 */
				if ( ! apply_filters( 'http_request_host_is_external', false, $host, $url ) ) {
					return false;
				}
			}
		}
	}

if ( empty( $parsed_url['port'] ) ) {
		return $url;
	}

$port = $parsed_url['port'];
	if ( 80 === $port || 443 === $port || 8080 === $port ) {
		return $url;
	}

if ( $parsed_home && $same_host && isset( $parsed_home['port'] ) && $parsed_home['port'] === $port ) {
		return $url;
	}

return false;
}

/**
 * Whitelists allowed redirect hosts for safe HTTP requests as well.
 *
 * Attached to the {@see 'http_request_host_is_external'} filter.
 *
 * @since 3.6.0
 *
 * @param bool   $is_external
 * @param string $host
 * @return bool
 */
function allowed_http_request_hosts( $is_external, $host ) {
	if ( ! $is_external && wp_validate_redirect( 'http://' . $host ) ) {
		$is_external = true;
	}
	return $is_external;
}

/**
 * Whitelists any domain in a multisite installation for safe HTTP requests.
 *
 * Attached to the {@see 'http_request_host_is_external'} filter.
 *
 * @since 3.6.0
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 * @staticvar array $queried
 *
 * @param bool   $is_external
 * @param string $host
 * @return bool
 */
function ms_allowed_http_request_hosts( $is_external, $host ) {
	global $wpdb;
	static $queried = array();
	if ( $is_external ) {
		return $is_external;
	}
	if ( $host === get_network()->domain ) {
		return true;
	}
	if ( isset( $queried[ $host ] ) ) {
		return $queried[ $host ];
	}
	$queried[ $host ] = (bool) $wpdb->get_var( $wpdb->prepare( "SELECT domain FROM $wpdb->blogs WHERE domain = %s LIMIT 1", $host ) );
	return $queried[ $host ];
}

/**
 * A wrapper for PHP's parse_url() function that handles consistency in the return
 * values across PHP versions.
 *
 * PHP 5.4.7 expanded parse_url()'s ability to handle non-absolute url's, including
 * schemeless and relative url's with :// in the path. This function works around
 * those limitations providing a standard output on PHP 5.2~5.4+.
 *
 * Secondly, across various PHP versions, schemeless URLs starting containing a ":"
 * in the query are being handled inconsistently. This function works around those
 * differences as well.
 *
 * Error suppression is used as prior to PHP 5.3.3, an E_WARNING would be generated
 * when URL parsing failed.
 *
 * @since 4.4.0
 * @since 4.7.0 The `$component` parameter was added for parity with PHP's `parse_url()`.
 *
 * @link https://secure.php.net/manual/en/function.parse-url.php
 *
 * @param string $url       The URL to parse.
 * @param int    $component The specific component to retrieve. Use one of the PHP
 *                          predefined constants to specify which one.
 *                          Defaults to -1 (= return all parts as an array).
 * @return mixed False on parse failure; Array of URL components on success;
 *               When a specific component has been requested: null if the component
 *               doesn't exist in the given URL; a string or - in the case of
 *               PHP_URL_PORT - integer when it does. See parse_url()'s return values.
 */
function wp_parse_url( $url, $component = -1 ) {
	$to_unset = array();
	$url      = strval( $url );

if ( '//' === substr( $url, 0, 2 ) ) {
		$to_unset[] = 'scheme';
		$url        = 'placeholder:' . $url;
	} elseif ( '/' === substr( $url, 0, 1 ) ) {
		$to_unset[] = 'scheme';
		$to_unset[] = 'host';
		$url        = 'placeholder://placeholder' . $url;
	}

$parts = @parse_url( $url );

if ( false === $parts ) {
		// Parsing failure.
		return $parts;
	}

// Remove the placeholder values.
	foreach ( $to_unset as $key ) {
		unset( $parts[ $key ] );
	}

return _get_component_from_parsed_url_array( $parts, $component );
}

/**
 * Retrieve a specific component from a parsed URL array.
 *
 * @internal
 *
 * @since 4.7.0
 * @access private
 *
 * @link https://secure.php.net/manual/en/function.parse-url.php
 *
 * @param array|false $url_parts The parsed URL. Can be false if the URL failed to parse.
 * @param int         $component The specific component to retrieve. Use one of the PHP
 *                               predefined constants to specify which one.
 *                               Defaults to -1 (= return all parts as an array).
 * @return mixed False on parse failure; Array of URL components on success;
 *               When a specific component has been requested: null if the component
 *               doesn't exist in the given URL; a string or - in the case of
 *               PHP_URL_PORT - integer when it does. See parse_url()'s return values.
 */
function _get_component_from_parsed_url_array( $url_parts, $component = -1 ) {
	if ( -1 === $component ) {
		return $url_parts;
	}

$key = _wp_translate_php_url_constant_to_key( $component );
	if ( false !== $key && is_array( $url_parts ) && isset( $url_parts[ $key ] ) ) {
		return $url_parts[ $key ];
	} else {
		return null;
	}
}

/**
 * Translate a PHP_URL_* constant to the named array keys PHP uses.
 *
 * @internal
 *
 * @since 4.7.0
 * @access private
 *
 * @link https://secure.php.net/manual/en/url.constants.php
 *
 * @param int $constant PHP_URL_* constant.
 * @return string|false The named key or false.
 */
function _wp_translate_php_url_constant_to_key( $constant ) {
	$translation = array(
		PHP_URL_SCHEME   => 'scheme',
		PHP_URL_HOST     => 'host',
		PHP_URL_PORT     => 'port',
		PHP_URL_USER     => 'user',
		PHP_URL_PASS     => 'pass',
		PHP_URL_PATH     => 'path',
		PHP_URL_QUERY    => 'query',
		PHP_URL_FRAGMENT => 'fragment',
	);

if ( isset( $translation[ $constant ] ) ) {
		return $translation[ $constant ];
	} else {
		return false;
	}
}

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