<?php
/**
* This file is meant to be the home for any function handling cookies that can
* be accessed anywhere within Jetpack.
*
* This file is loaded whether or not Jetpack is connected to WP.com.
*
* @package automattic/jetpack
*/
/**
* A PHP 5.X compatible version of the array argument version of PHP 7.3's setcookie().
*
* Useful for setting SameSite cookies in PHP 7.2 or earlier.
*
* @param string $name Name of the cookie.
* @param string $value Value of the cookie.
* @param array $options Options to include with the cookie.
* @return bool False when error happens, other wise true.
*/
function jetpack_shim_setcookie( $name, $value, $options ) {
$not_allowed_chars = ",; \t\r\n\013\014";
if ( false !== strpbrk( $name, $not_allowed_chars ) ) {
return false;
}
if ( headers_sent() ) {
return false;
}
$cookie = 'Set-Cookie: ' . $name . '=' . rawurlencode( $value ) . '; ';
if ( ! empty( $options['expires'] ) ) {
$cookie_date = gmdate( 'D, d M Y H:i:s \G\M\T', $options['expires'] );
$cookie .= sprintf( 'expires=%s', $cookie_date ) . ';';
}
if ( ! empty( $options['secure'] ) && true === $options['secure'] ) {
$cookie .= 'secure; ';
}
if ( ! empty( $options['httponly'] ) && true === $options['httponly'] ) {
$cookie .= 'HttpOnly; ';
}
if ( ! empty( $options['domain'] ) && is_string( $options['domain'] ) ) {
if ( false !== strpbrk( $options['domain'], $not_allowed_chars ) ) {
return false;
}
$cookie .= sprintf( 'domain=%s', $options['domain'] . '; ' );
}
if ( ! empty( $options['path'] ) && is_string( $options['path'] ) ) {
if ( false !== strpbrk( $options['path'], $not_allowed_chars ) ) {
return false;
}
$cookie .= sprintf( 'path=%s', $options['path'] . '; ' );
}
if ( ! empty( $options['samesite'] ) && is_string( $options['samesite'] ) ) {
$cookie .= sprintf( 'SameSite=%s', $options['samesite'] . '; ' );
}
$cookie = trim( $cookie );
$cookie = trim( $cookie, ';' );
header( $cookie, false );
return true;
}