134 lines
2.9 KiB
PHP
134 lines
2.9 KiB
PHP
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<?php
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/**
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* Session API: WP_User_Meta_Session_Tokens class
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*
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* @package WordPress
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* @subpackage Session
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* @since 4.7.0
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*/
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/**
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* Meta-based user sessions token manager.
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*
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* @since 4.0.0
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*
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* @see WP_Session_Tokens
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*/
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class WP_User_Meta_Session_Tokens extends WP_Session_Tokens {
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/**
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* Retrieves all sessions of the user.
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*
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* @since 4.0.0
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*
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* @return array Sessions of the user.
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*/
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protected function get_sessions() {
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$sessions = get_user_meta( $this->user_id, 'session_tokens', true );
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if ( ! is_array( $sessions ) ) {
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return array();
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}
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$sessions = array_map( array( $this, 'prepare_session' ), $sessions );
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return array_filter( $sessions, array( $this, 'is_still_valid' ) );
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}
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/**
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* Converts an expiration to an array of session information.
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*
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* @param mixed $session Session or expiration.
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* @return array Session.
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*/
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protected function prepare_session( $session ) {
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if ( is_int( $session ) ) {
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return array( 'expiration' => $session );
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}
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return $session;
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}
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/**
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* Retrieves a session based on its verifier (token hash).
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*
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* @since 4.0.0
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*
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* @param string $verifier Verifier for the session to retrieve.
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* @return array|null The session, or null if it does not exist
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*/
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protected function get_session( $verifier ) {
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$sessions = $this->get_sessions();
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if ( isset( $sessions[ $verifier ] ) ) {
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return $sessions[ $verifier ];
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}
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return null;
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}
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/**
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* Updates a session based on its verifier (token hash).
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*
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* @since 4.0.0
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*
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* @param string $verifier Verifier for the session to update.
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* @param array $session Optional. Session. Omitting this argument destroys the session.
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*/
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protected function update_session( $verifier, $session = null ) {
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$sessions = $this->get_sessions();
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if ( $session ) {
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$sessions[ $verifier ] = $session;
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} else {
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unset( $sessions[ $verifier ] );
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}
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$this->update_sessions( $sessions );
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}
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/**
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* Updates the user's sessions in the usermeta table.
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*
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* @since 4.0.0
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*
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* @param array $sessions Sessions.
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*/
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protected function update_sessions( $sessions ) {
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if ( $sessions ) {
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update_user_meta( $this->user_id, 'session_tokens', $sessions );
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} else {
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delete_user_meta( $this->user_id, 'session_tokens' );
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}
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}
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/**
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* Destroys all sessions for this user, except the single session with the given verifier.
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*
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* @since 4.0.0
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*
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* @param string $verifier Verifier of the session to keep.
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*/
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protected function destroy_other_sessions( $verifier ) {
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$session = $this->get_session( $verifier );
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$this->update_sessions( array( $verifier => $session ) );
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}
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/**
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* Destroys all session tokens for the user.
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*
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* @since 4.0.0
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*/
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protected function destroy_all_sessions() {
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$this->update_sessions( array() );
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}
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/**
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* Destroys all sessions for all users.
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*
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* @since 4.0.0
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*/
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public static function drop_sessions() {
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delete_metadata( 'user', 0, 'session_tokens', false, true );
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}
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}
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