Version 5 supported
This version of Silverstripe CMS is still supported though will not receive any additional features. Go to documentation for the most recent stable version.

Debugging

The MFA module ships with a PSR-3 logger configured by default (a Monolog implementation), however no Monolog handlers are attached by default. To enable developer logging, you can attach a handler. An example that will log to a mfa.log file in the project root:

SilverStripe\Core\Injector\Injector:
  Psr\Log\LoggerInterface.mfa:
    calls:
      pushFileLogHandler: [ pushHandler, [ '%$MFAFileLogHandler' ] ]
  MFAFileLogHandler:
    class: Monolog\Handler\StreamHandler
    constructor:
      - '../mfa.log'
      - 'debug'

You can inject this logger into any MFA authenticator module, or custom app code, by using dependency injection:

// app/src/MFA/Handlers/MyCustomLoginHandler.php
namespace App\MFA\Handlers;

use Exception;
use Psr\Log\LoggerInterface;
use SilverStripe\MFA\Model\RegisteredMethod;
use SilverStripe\MFA\Store\StoreInterface;

class MyCustomLoginHandler implements LoginHandlerInterface
{
    private static $dependencies = [
        'Logger' => '%$' . LoggerInterface::class . '.mfa',
    ];

    protected $logger;

    public function setLogger(LoggerInterface $logger): self
    {
        $this->logger = $logger;
        return $this;
    }

    public function start(StoreInterface $store, RegisteredMethod $method): array
    {
        try {
            $method->doSomething();
        } catch (Exception $ex) {
            $this->logger->debug('Something went wrong! ' . $ex->getMessage(), $ex->getTrace());
        }
    }
}
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