ErrorHandlerTrait.php

<?php declare(strict_types=1);
namespace App\Error;

use Cake\Error\ErrorHandler;
use Cake\Routing\Exception\MissingControllerException;
use Cake\Http\Exception\GoneException;
use Cake\Http\Exception\NotFoundException;
use Cake\Http\Exception\ForbiddenException;
use Cake\Http\Exception\UnauthorizedException;
use Cake\Http\Exception\UnavailableForLegalReasonsException;
use Cake\Http\Exception\InvalidCsrfTokenException;
use Cake\Controller\Exception\MissingActionException;
use Cake\Datasource\Exception\RecordNotFoundException;
use Cake\Datasource\Exception\InvalidPrimaryKeyException;
use Cake\Log\Log;
use Cake\Routing\Exception\MissingRouteException;

/**
 * Defineds logSeparateException() to be used by ErrorHandler::_logException() AND ErrorHandlerMiddleware::logException()
 */
trait ErrorHandlerTrait
{
    /**
     * Handles exception logging
     *
     * @param $exceptionOrError Exception or Error instance.
     * @return bool
     */
    protected function logSeparateException($exceptionOrError) : bool
    {
        // 401
        $unauthorizedExceptionClasses = [
            UnauthorizedException::class,
        ];
        // 403
        $forbiddenExceptionClasses = [
            ForbiddenException::class,
            InvalidCsrfTokenException::class,
        ];
        // 404
        $notFoundExceptionClasses = [
            GoneException::class,
            InvalidPrimaryKeyException::class,
            MissingActionException::class,
            MissingControllerException::class,
            MissingRouteException::class,
            NotFoundException::class,
            RecordNotFoundException::class,
            UnavailableForLegalReasonsException::class,
        ];

        $getMessageFn = function($exceptionOrError) {
            if ($this instanceof ErrorHandler) {
                return $this->_getMessage($exceptionOrError);
            }
            return $exceptionOrError->getMessage();
        };

        if (in_array(get_class($exceptionOrError), $notFoundExceptionClasses, true) === true) {
            return Log::error($getMessageFn($exceptionOrError), '404');
        } else if (in_array(get_class($exceptionOrError), $forbiddenExceptionClasses, true) === true) {
            return Log::error($getMessageFn($exceptionOrError), '403');
        } else if (in_array(get_class($exceptionOrError), $unauthorizedExceptionClasses, true) === true) {
            return Log::error($getMessageFn($exceptionOrError), '401');
        }
        return false;
    }
}