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<?php
namespace WP_Rocket\Admin;
use WP_Rocket\Logger\Logger;
use WP_Rocket\Event_Management\Subscriber_Interface;
defined( 'ABSPATH' ) || exit;
/**
* Class that handles few things about the logs.
*
* @since 3.1.4
* @author Grégory Viguier
*/
class Logs implements Subscriber_Interface {
/**
* Returns an array of events that this subscriber wants to listen to.
*
* @since 3.1.4
* @access public
* @author Grégory Viguier
*
* @return array
*/
public static function get_subscribed_events() {
return [
'pre_update_option_' . WP_ROCKET_SLUG => [ 'enable_debug', 10, 2 ],
'admin_post_rocket_download_debug_file' => 'download_debug_file',
'admin_post_rocket_delete_debug_file' => 'delete_debug_file',
];
}
/** ----------------------------------------------------------------------------------------- */
/** DEBUG ACTIVATION ======================================================================== */
/** ----------------------------------------------------------------------------------------- */
/**
* Enable or disable the debug mode when settings are saved.
*
* @since 3.1.4
* @access public
* @author Grégory Viguier
*
* @param array $newvalue An array of submitted options values.
* @param array $oldvalue An array of previous options values.
* @return array Updated submitted options values.
*/
public function enable_debug( $newvalue, $oldvalue ) {
if ( empty( $_POST ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing
return $newvalue;
}
if ( ! empty( $newvalue['debug_enabled'] ) ) {
Logger::enable_debug();
} else {
Logger::disable_debug();
}
unset( $newvalue['debug_enabled'] );
return $newvalue;
}
/** ----------------------------------------------------------------------------------------- */
/** ADMIN POST CALLBACKS ==================================================================== */
/** ----------------------------------------------------------------------------------------- */
/**
* Download the log file.
*
* @since 3.1.4
* @access public
* @author Grégory Viguier
*/
public function download_debug_file() {
if ( ! $this->verify_nonce( 'download_debug_file' ) ) {
wp_nonce_ays( '' );
}
if ( ! $this->current_user_can() ) {
$this->redirect();
}
$contents = Logger::get_log_file_contents();
if ( is_wp_error( $contents ) ) {
add_settings_error( 'general', $contents->get_error_code(), $contents->get_error_message(), 'error' );
set_transient( 'settings_errors', get_settings_errors(), 30 );
$this->redirect( add_query_arg( 'settings-updated', 1, wp_get_referer() ) );
}
$file_name = Logger::get_log_file_path();
$file_name = basename( $file_name, '.log' ) . Logger::get_log_file_extension();
nocache_headers();
@header( 'Content-Type: text/x-log' );
@header( 'Content-Disposition: attachment; filename="' . $file_name . '"' );
@header( 'Content-Transfer-Encoding: binary' );
@header( 'Content-Length: ' . strlen( $contents ) );
@header( 'Connection: close' );
echo $contents; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
exit();
}
/**
* Delete the log file.
*
* @since 3.1.4
* @access public
* @author Grégory Viguier
*/
public function delete_debug_file() {
if ( ! $this->verify_nonce( 'delete_debug_file' ) ) {
wp_nonce_ays( '' );
}
if ( ! $this->current_user_can() ) {
$this->redirect();
}
if ( ! Logger::delete_log_file() ) {
add_settings_error( 'general', 'debug_file_not_deleted', __( 'The debug file could not be deleted.', 'rocket' ), 'error' );
set_transient( 'settings_errors', get_settings_errors(), 30 );
$this->redirect( add_query_arg( 'settings-updated', 1, wp_get_referer() ) );
}
// Done.
$this->redirect();
}
/** ----------------------------------------------------------------------------------------- */
/** TOOLS =================================================================================== */
/** ----------------------------------------------------------------------------------------- */
/**
* Verify the nonce sent in $_GET['_wpnonce'].
*
* @since 3.1.4
* @access protected
* @author Grégory Viguier
*
* @param string $nonce_name The nonce name.
* @return bool
*/
protected function verify_nonce( $nonce_name ) {
return isset( $_GET['_wpnonce'] ) && wp_verify_nonce( $_GET['_wpnonce'], $nonce_name ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.ValidatedSanitizedInput.MissingUnslash
}
/**
* Tell if the current user can operate.
*
* @since 3.1.4
* @access protected
* @author Grégory Viguier
*
* @return bool
*/
protected function current_user_can() {
return current_user_can( 'rocket_manage_options' );
}
/**
* Redirect the user.
*
* @since 3.1.4
* @access protected
* @author Grégory Viguier
*
* @param string $redirect URL to redirect the user to.
*/
protected function redirect( $redirect = null ) {
if ( empty( $redirect ) ) {
$redirect = wp_get_referer();
}
wp_safe_redirect( esc_url_raw( $redirect ) );
die();
}
}
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