<?php
/**
* Error Protection API: WP_Recovery_Mode_Cookie_Service class
*
* @package WordPress
* @since 5.2.0
*/
/**
* Core class used to set, validate, and clear cookies that identify a Recovery Mode session.
*
* @since 5.2.0
*/
#[AllowDynamicProperties]
final class WP_Recovery_Mode_Cookie_Service {
/**
* Checks whether the recovery mode cookie is set.
*
* @since 5.2.0
*
* @return bool True if the cookie is set, false otherwise.
*/
public function is_cookie_set() {
return ! empty( $_COOKIE[ RECOVERY_MODE_COOKIE ] );
}
/**
* Sets the recovery mode cookie.
*
* This must be immediately followed by exiting the request.
*
* @since 5.2.0
*/
public function set_cookie() {
$value = $this->generate_cookie();
/**
* Filters the length of time a Recovery Mode cookie is valid for.
*
* @since 5.2.0
*
* @param int $length Length in seconds.
*/
$length = apply_filters( 'recovery_mode_cookie_length', WEEK_IN_SECONDS );
$expire = time() + $length;
setcookie( RECOVERY_MODE_COOKIE, $value, $expire, COOKIEPATH, COOKIE_DOMAIN, is_ssl(), true );
if ( COOKIEPATH !== SITECOOKIEPATH ) {
setcookie( RECOVERY_MODE_COOKIE, $value, $expire, SITECOOKIEPATH, COOKIE_DOMAIN, is_ssl(), true );
}
}
/**
* Clears the recovery mode cookie.
*
* @since 5.2.0
*/
public function clear_cookie() {
setcookie( RECOVERY_MODE_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN );
setcookie( RECOVERY_MODE_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN );
}
/**
* Validates the recovery mode cookie.
*
* @since 5.2.0
*
* @param string $cookie Optionally specify the cookie string.
* If omitted, it will be retrieved from the super global.
* @return true|WP_Error True on success, error object on failure.
*/
public function validate_cookie( $cookie = '' ) {
if ( ! $cookie ) {
if ( empty( $_COOKIE[ RECOVERY_MODE_COOKIE ] ) ) {
return new WP_Error( 'no_cookie', __( 'No cookie present.' ) );
}
$cookie = $_COOKIE[ RECOVERY_MODE_COOKIE ];
}
$parts = $this->parse_cookie( $cookie );
if ( is_wp_error( $parts ) ) {
return $parts;
}
list( , $created_at, $random, $signature ) = $parts;
if ( ! ctype_digit( $created_at ) ) {
return new WP_Error( 'invalid_created_at', __( 'Invalid cookie format.' ) );
}
/** This filter is documented in wp-includes/class-wp-recovery-mode-cookie-service.php */
$length = apply_filters( 'recovery_mode_cookie_length', WEEK_IN_SECONDS );
if ( time() > $created_at + $length ) {
return new WP_Error( 'expired', __( 'Cookie expired.' ) );
}
$to_sign = sprintf( 'recovery_mode|%s|%s', $created_at, $random );
$hashed = $this->recovery_mode_hash( $to_sign );
if ( ! hash_equals( $signature, $hashed ) ) {
return new WP_Error( 'signature_mismatch', __( 'Invalid cookie.' ) );
}
return true;
}
/**
* Gets the session identifier from the cookie.
*
* The cookie should be validated before calling this API.
*
* @since 5.2.0
*
* @param string $cookie Optionally specify the cookie string.
* If omitted, it will be retrieved from the super global.
* @return string|WP_Error Session ID on success, or error object on failure.
*/
public function get_session_id_from_cookie( $cookie = '' ) {
if ( ! $cookie ) {
if ( empty( $_COOKIE[ RECOVERY_MODE_COOKIE ] ) ) {
return new WP_Error( 'no_cookie', __( 'No cookie present.' ) );
}
$cookie = $_COOKIE[ RECOVERY_MODE_COOKIE ];
}
$parts = $this->parse_cookie( $cookie );
if ( is_wp_error( $parts ) ) {
return $parts;
}
list( , , $random ) = $parts;
return sha1( $random );
}
/**
* Parses the cookie into its four parts.
*
* @since 5.2.0
*
* @param string $cookie Cookie content.
* @return array|WP_Error Cookie parts array, or error object on failure.
*/
private function parse_cookie( $cookie ) {
$cookie = base64_decode( $cookie );
$parts = explode( '|', $cookie );
if ( 4 !== count( $parts ) ) {
return new WP_Error( 'invalid_format', __( 'Invalid cookie format.' ) );
}
return $parts;
}
/**
* Generates the recovery mode cookie value.
*
* The cookie is a base64 encoded string with the following format:
*
* recovery_mode|iat|rand|signature
*
* Where "recovery_mode" is a constant string,
* iat is the time the cookie was generated at,
* rand is a randomly generated password that is also used as a session identifier
* and signature is an hmac of the preceding 3 parts.
*
* @since 5.2.0
*
* @return string Generated cookie content.
*/
private function generate_cookie() {
$to_sign = sprintf( 'recovery_mode|%s|%s', time(), wp_generate_password( 20, false ) );
$signed = $this->recovery_mode_hash( $to_sign );
return base64_encode( sprintf( '%s|%s', $to_sign, $signed ) );
}
/**
* Gets a form of `wp_hash()` specific to Recovery Mode.
*
* We cannot use `wp_hash()` because it is defined in `pluggable.php` which is not loaded until after plugins are loaded,
* which is too late to verify the recovery mode cookie.
*
* This tries to use the `AUTH` salts first, but if they aren't valid specific salts will be generated and stored.
*
* @since 5.2.0
*
* @param string $data Data to hash.
* @return string|false The hashed $data, or false on failure.
*/
private function recovery_mode_hash( $data ) {
$default_keys = array_unique(
array(
'put your unique phrase here',
/*
* translators: This string should only be translated if wp-config-sample.php is localized.
* You can check the localized release package or
* https://i18n.svn.wordpress.org/<locale code>/branches/<wp version>/dist/wp-config-sample.php
*/
__( 'put your unique phrase here' ),
)
);
if ( ! defined( 'AUTH_KEY' ) || in_array( AUTH_KEY, $default_keys, true ) ) {
$auth_key = get_site_option( 'recovery_mode_auth_key' );
if ( ! $auth_key ) {
if ( ! function_exists( 'wp_generate_password' ) ) {
require_once ABSPATH . WPINC . '/pluggable.php';
}
$auth_key = wp_generate_password( 64, true, true );
update_site_option( 'recovery_mode_auth_key', $auth_key );
}
} else {
$auth_key = AUTH_KEY;
}
if ( ! defined( 'AUTH_SALT' ) || in_array( AUTH_SALT, $default_keys, true ) || AUTH_SALT === $auth_key ) {
$auth_salt = get_site_option( 'recovery_mode_auth_salt' );
if ( ! $auth_salt ) {
if ( ! function_exists( 'wp_generate_password' ) ) {
require_once ABSPATH . WPINC . '/pluggable.php';
}
$auth_salt = wp_generate_password( 64, true, true );
update_site_option( 'recovery_mode_auth_salt', $auth_salt );
}
} else {
$auth_salt = AUTH_SALT;
}
$secret = $auth_key . $auth_salt;
return hash_hmac( 'sha1', $data, $secret );
}
}
في ظل التحول الرقمي المتسارع، أصبح التسويق الإلكتروني أحد أهم الأدوات التي تعتمد عليها المؤسسات والشركات لتحقيق الانتشار والوصول إلى جمهور أوسع.
في هذا الحوار التسجيلي، نسلّط الضوء على مفهوم التسويق الإلكتروني، أهميته في العصر الحديث، وكيف غيّر قواعد اللعبة في عالم المال والأعمال.
ال