auth_redirect()
Checks if a user is logged in, if not it redirects them to the login page.
Source
File: wp-includes/pluggable.php
function auth_redirect() {
// Checks if a user is logged in, if not redirects them to the login page
$secure = ( is_ssl() || force_ssl_admin() );
/**
* Filters whether to use a secure authentication redirect.
*
* @since WP-3.1.0
*
* @param bool $secure Whether to use a secure authentication redirect. Default false.
*/
$secure = apply_filters( 'secure_auth_redirect', $secure );
// If https is required and request is http, redirect
if ( $secure && !is_ssl() && false !== strpos($_SERVER['REQUEST_URI'], 'wp-admin') ) {
if ( 0 === strpos( $_SERVER['REQUEST_URI'], 'http' ) ) {
wp_redirect( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) );
exit();
} else {
wp_redirect( 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
exit();
}
}
/**
* Filters the authentication redirect scheme.
*
* @since WP-2.9.0
*
* @param string $scheme Authentication redirect scheme. Default empty.
*/
$scheme = apply_filters( 'auth_redirect_scheme', '' );
if ( $user_id = wp_validate_auth_cookie( '', $scheme) ) {
/**
* Fires before the authentication redirect.
*
* @since WP-2.8.0
*
* @param int $user_id User ID.
*/
do_action( 'auth_redirect', $user_id );
// If the user wants ssl but the session is not ssl, redirect.
if ( !$secure && get_user_option('use_ssl', $user_id) && false !== strpos($_SERVER['REQUEST_URI'], 'wp-admin') ) {
if ( 0 === strpos( $_SERVER['REQUEST_URI'], 'http' ) ) {
wp_redirect( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) );
exit();
} else {
wp_redirect( 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
exit();
}
}
return; // The cookie is good so we're done
}
// The cookie is no good so force login
nocache_headers();
$redirect = ( strpos( $_SERVER['REQUEST_URI'], '/options.php' ) && wp_get_referer() ) ? wp_get_referer() : set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
$login_url = wp_login_url($redirect, true);
wp_redirect($login_url);
exit();
}
Changelog
Version | Description |
---|---|
WP-1.5.0 | Introduced. |