Files
wordpress-dev-env/wordpress_plugins/query-monitor/classes/Dispatcher.php
Felix Förtsch 648ded8896 Initial commit
2020-10-20 14:39:50 +02:00

150 lines
3.1 KiB
PHP

<?php
/**
* Abstract dispatcher.
*
* @package query-monitor
*/
if ( ! class_exists( 'QM_Dispatcher' ) ) {
abstract class QM_Dispatcher {
/**
* Outputter instances.
*
* @var QM_Output[] Array of outputters.
*/
protected $outputters = array();
/**
* Query Monitor plugin instance.
*
* @var QM_Plugin Plugin instance.
*/
protected $qm;
public function __construct( QM_Plugin $qm ) {
$this->qm = $qm;
if ( ! defined( 'QM_COOKIE' ) ) {
define( 'QM_COOKIE', 'wp-query_monitor_' . COOKIEHASH );
}
if ( ! defined( 'QM_EDITOR_COOKIE' ) ) {
define( 'QM_EDITOR_COOKIE', 'wp-query_monitor_editor_' . COOKIEHASH );
}
add_action( 'init', array( $this, 'init' ) );
}
abstract public function is_active();
final public function should_dispatch() {
$e = error_get_last();
# Don't dispatch if a fatal has occurred:
if ( ! empty( $e ) && ( $e['type'] & QM_ERROR_FATALS ) ) {
return false;
}
/**
* Allows users to disable this dispatcher.
*
* The dynamic portion of the hook name, `$this->id`, refers to the dispatcher ID.
*
* @since 2.8.0
*
* @param bool $true Whether or not the dispatcher is enabled.
*/
if ( ! apply_filters( "qm/dispatch/{$this->id}", true ) ) {
return false;
}
return $this->is_active();
}
/**
* Processes and fetches the outputters for this dispatcher.
*
* @param string $outputter_id The outputter ID.
* @return QM_Output[] Array of outputters.
*/
public function get_outputters( $outputter_id ) {
$collectors = QM_Collectors::init();
$collectors->process();
/**
* Allows users to filter what outputs.
*
* The dynamic portion of the hook name, `$outputter_id`, refers to the outputter ID.
*
* @since 2.8.0
*
* @param QM_Output[] $outputters Array of outputters.
* @param QM_Collectors $collectors List of collectors.
*/
$this->outputters = apply_filters( "qm/outputter/{$outputter_id}", array(), $collectors );
return $this->outputters;
}
public function init() {
if ( ! self::user_can_view() ) {
return;
}
if ( ! defined( 'DONOTCACHEPAGE' ) ) {
define( 'DONOTCACHEPAGE', 1 );
}
add_action( 'send_headers', 'nocache_headers' );
}
protected function before_output() {
// nothing
}
protected function after_output() {
// nothing
}
public static function user_can_view() {
if ( ! did_action( 'plugins_loaded' ) ) {
return false;
}
if ( current_user_can( 'view_query_monitor' ) ) {
return true;
}
return self::user_verified();
}
public static function user_verified() {
if ( isset( $_COOKIE[QM_COOKIE] ) ) { // phpcs:ignore
return self::verify_cookie( wp_unslash( $_COOKIE[QM_COOKIE] ) ); // phpcs:ignore
}
return false;
}
public static function editor_cookie() {
if ( defined( 'QM_EDITOR_COOKIE' ) && isset( $_COOKIE[QM_EDITOR_COOKIE] ) ) { // phpcs:ignore
return $_COOKIE[QM_EDITOR_COOKIE]; // phpcs:ignore
}
return '';
}
public static function verify_cookie( $value ) {
$old_user_id = wp_validate_auth_cookie( $value, 'logged_in' );
if ( $old_user_id ) {
return user_can( $old_user_id, 'view_query_monitor' );
}
return false;
}
}
}