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Diffstat (limited to '')
| -rw-r--r-- | wp-includes/class-wp-user-meta-session-tokens.php | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/wp-includes/class-wp-user-meta-session-tokens.php b/wp-includes/class-wp-user-meta-session-tokens.php new file mode 100644 index 0000000..d2e2726 --- /dev/null +++ b/wp-includes/class-wp-user-meta-session-tokens.php @@ -0,0 +1,133 @@ +<?php +/** + * Session API: WP_User_Meta_Session_Tokens class + * + * @package WordPress + * @subpackage Session + * @since 4.7.0 + */ + +/** + * Meta-based user sessions token manager. + * + * @since 4.0.0 + * + * @see WP_Session_Tokens + */ +class WP_User_Meta_Session_Tokens extends WP_Session_Tokens { + + /** + * Retrieves all sessions of the user. + * + * @since 4.0.0 + * + * @return array Sessions of the user. + */ + protected function get_sessions() { + $sessions = get_user_meta( $this->user_id, 'session_tokens', true ); + + if ( ! is_array( $sessions ) ) { + return array(); + } + + $sessions = array_map( array( $this, 'prepare_session' ), $sessions ); + return array_filter( $sessions, array( $this, 'is_still_valid' ) ); + } + + /** + * Converts an expiration to an array of session information. + * + * @param mixed $session Session or expiration. + * @return array Session. + */ + protected function prepare_session( $session ) { + if ( is_int( $session ) ) { + return array( 'expiration' => $session ); + } + + return $session; + } + + /** + * Retrieves a session based on its verifier (token hash). + * + * @since 4.0.0 + * + * @param string $verifier Verifier for the session to retrieve. + * @return array|null The session, or null if it does not exist + */ + protected function get_session( $verifier ) { + $sessions = $this->get_sessions(); + + if ( isset( $sessions[ $verifier ] ) ) { + return $sessions[ $verifier ]; + } + + return null; + } + + /** + * Updates a session based on its verifier (token hash). + * + * @since 4.0.0 + * + * @param string $verifier Verifier for the session to update. + * @param array $session Optional. Session. Omitting this argument destroys the session. + */ + protected function update_session( $verifier, $session = null ) { + $sessions = $this->get_sessions(); + + if ( $session ) { + $sessions[ $verifier ] = $session; + } else { + unset( $sessions[ $verifier ] ); + } + + $this->update_sessions( $sessions ); + } + + /** + * Updates the user's sessions in the usermeta table. + * + * @since 4.0.0 + * + * @param array $sessions Sessions. + */ + protected function update_sessions( $sessions ) { + if ( $sessions ) { + update_user_meta( $this->user_id, 'session_tokens', $sessions ); + } else { + delete_user_meta( $this->user_id, 'session_tokens' ); + } + } + + /** + * Destroys all sessions for this user, except the single session with the given verifier. + * + * @since 4.0.0 + * + * @param string $verifier Verifier of the session to keep. + */ + protected function destroy_other_sessions( $verifier ) { + $session = $this->get_session( $verifier ); + $this->update_sessions( array( $verifier => $session ) ); + } + + /** + * Destroys all session tokens for the user. + * + * @since 4.0.0 + */ + protected function destroy_all_sessions() { + $this->update_sessions( array() ); + } + + /** + * Destroys all sessions for all users. + * + * @since 4.0.0 + */ + public static function drop_sessions() { + delete_metadata( 'user', 0, 'session_tokens', false, true ); + } +} |