diff -r 490d5cc509ed -r cf61fcea0001 wp/wp-includes/class-wp-http-cookie.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-includes/class-wp-http-cookie.php	Mon Oct 14 17:39:30 2019 +0200
@@ -0,0 +1,236 @@
+<?php
+/**
+ * HTTP API: WP_Http_Cookie class
+ *
+ * @package WordPress
+ * @subpackage HTTP
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to encapsulate a single cookie object for internal use.
+ *
+ * Returned cookies are represented using this class, and when cookies are set, if they are not
+ * already a WP_Http_Cookie() object, then they are turned into one.
+ *
+ * @todo The WordPress convention is to use underscores instead of camelCase for function and method
+ * names. Need to switch to use underscores instead for the methods.
+ *
+ * @since 2.8.0
+ */
+class WP_Http_Cookie {
+
+	/**
+	 * Cookie name.
+	 *
+	 * @since 2.8.0
+	 * @var string
+	 */
+	public $name;
+
+	/**
+	 * Cookie value.
+	 *
+	 * @since 2.8.0
+	 * @var string
+	 */
+	public $value;
+
+	/**
+	 * When the cookie expires.
+	 *
+	 * @since 2.8.0
+	 * @var string
+	 */
+	public $expires;
+
+	/**
+	 * Cookie URL path.
+	 *
+	 * @since 2.8.0
+	 * @var string
+	 */
+	public $path;
+
+	/**
+	 * Cookie Domain.
+	 *
+	 * @since 2.8.0
+	 * @var string
+	 */
+	public $domain;
+
+	/**
+	 * Sets up this cookie object.
+	 *
+	 * The parameter $data should be either an associative array containing the indices names below
+	 * or a header string detailing it.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string|array $data {
+	 *     Raw cookie data as header string or data array.
+	 *
+	 *     @type string     $name    Cookie name.
+	 *     @type mixed      $value   Value. Should NOT already be urlencoded.
+	 *     @type string|int $expires Optional. Unix timestamp or formatted date. Default null.
+	 *     @type string     $path    Optional. Path. Default '/'.
+	 *     @type string     $domain  Optional. Domain. Default host of parsed $requested_url.
+	 *     @type int        $port    Optional. Port. Default null.
+	 * }
+	 * @param string       $requested_url The URL which the cookie was set on, used for default $domain
+	 *                                    and $port values.
+	 */
+	public function __construct( $data, $requested_url = '' ) {
+		if ( $requested_url )
+			$arrURL = @parse_url( $requested_url );
+		if ( isset( $arrURL['host'] ) )
+			$this->domain = $arrURL['host'];
+		$this->path = isset( $arrURL['path'] ) ? $arrURL['path'] : '/';
+		if (  '/' != substr( $this->path, -1 ) )
+			$this->path = dirname( $this->path ) . '/';
+
+		if ( is_string( $data ) ) {
+			// Assume it's a header string direct from a previous request.
+			$pairs = explode( ';', $data );
+
+			// Special handling for first pair; name=value. Also be careful of "=" in value.
+			$name  = trim( substr( $pairs[0], 0, strpos( $pairs[0], '=' ) ) );
+			$value = substr( $pairs[0], strpos( $pairs[0], '=' ) + 1 );
+			$this->name  = $name;
+			$this->value = urldecode( $value );
+
+			// Removes name=value from items.
+			array_shift( $pairs );
+
+			// Set everything else as a property.
+			foreach ( $pairs as $pair ) {
+				$pair = rtrim($pair);
+
+				// Handle the cookie ending in ; which results in a empty final pair.
+				if ( empty($pair) )
+					continue;
+
+				list( $key, $val ) = strpos( $pair, '=' ) ? explode( '=', $pair ) : array( $pair, '' );
+				$key = strtolower( trim( $key ) );
+				if ( 'expires' == $key )
+					$val = strtotime( $val );
+				$this->$key = $val;
+			}
+		} else {
+			if ( !isset( $data['name'] ) )
+				return;
+
+			// Set properties based directly on parameters.
+			foreach ( array( 'name', 'value', 'path', 'domain', 'port' ) as $field ) {
+				if ( isset( $data[ $field ] ) )
+					$this->$field = $data[ $field ];
+			}
+
+			if ( isset( $data['expires'] ) )
+				$this->expires = is_int( $data['expires'] ) ? $data['expires'] : strtotime( $data['expires'] );
+			else
+				$this->expires = null;
+		}
+	}
+
+	/**
+	 * Confirms that it's OK to send this cookie to the URL checked against.
+	 *
+	 * Decision is based on RFC 2109/2965, so look there for details on validity.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $url URL you intend to send this cookie to
+	 * @return bool true if allowed, false otherwise.
+	 */
+	public function test( $url ) {
+		if ( is_null( $this->name ) )
+			return false;
+
+		// Expires - if expired then nothing else matters.
+		if ( isset( $this->expires ) && time() > $this->expires )
+			return false;
+
+		// Get details on the URL we're thinking about sending to.
+		$url = parse_url( $url );
+		$url['port'] = isset( $url['port'] ) ? $url['port'] : ( 'https' == $url['scheme'] ? 443 : 80 );
+		$url['path'] = isset( $url['path'] ) ? $url['path'] : '/';
+
+		// Values to use for comparison against the URL.
+		$path   = isset( $this->path )   ? $this->path   : '/';
+		$port   = isset( $this->port )   ? $this->port   : null;
+		$domain = isset( $this->domain ) ? strtolower( $this->domain ) : strtolower( $url['host'] );
+		if ( false === stripos( $domain, '.' ) )
+			$domain .= '.local';
+
+		// Host - very basic check that the request URL ends with the domain restriction (minus leading dot).
+		$domain = substr( $domain, 0, 1 ) == '.' ? substr( $domain, 1 ) : $domain;
+		if ( substr( $url['host'], -strlen( $domain ) ) != $domain )
+			return false;
+
+		// Port - supports "port-lists" in the format: "80,8000,8080".
+		if ( !empty( $port ) && !in_array( $url['port'], explode( ',', $port) ) )
+			return false;
+
+		// Path - request path must start with path restriction.
+		if ( substr( $url['path'], 0, strlen( $path ) ) != $path )
+			return false;
+
+		return true;
+	}
+
+	/**
+	 * Convert cookie name and value back to header string.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @return string Header encoded cookie name and value.
+	 */
+	public function getHeaderValue() {
+		if ( ! isset( $this->name ) || ! isset( $this->value ) )
+			return '';
+
+		/**
+		 * Filters the header-encoded cookie value.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param string $value The cookie value.
+		 * @param string $name  The cookie name.
+		 */
+		return $this->name . '=' . apply_filters( 'wp_http_cookie_value', $this->value, $this->name );
+	}
+
+	/**
+	 * Retrieve cookie header for usage in the rest of the WordPress HTTP API.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @return string
+	 */
+	public function getFullHeader() {
+		return 'Cookie: ' . $this->getHeaderValue();
+	}
+
+	/**
+	 * Retrieves cookie attributes.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @return array {
+	 *    List of attributes.
+	 *
+	 *    @type string $expires When the cookie expires.
+	 *    @type string $path    Cookie URL path.
+	 *    @type string $domain  Cookie domain.
+	 * }
+	 */
+	public function get_attributes() {
+		return array(
+			'expires' => $this->expires,
+			'path'    => $this->path,
+			'domain'  => $this->domain,
+		);
+	}
+}