Converted MissingAuthenticationException into a problem details exception

module/Rest/src/Exception/MissingAuthenticationException.php

@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shlinkio\Shlink\Rest\Exception;
+
+use Fig\Http\Message\StatusCodeInterface;
+use Zend\ProblemDetails\Exception\CommonProblemDetailsExceptionTrait;
+use Zend\ProblemDetails\Exception\ProblemDetailsExceptionInterface;
+
+use function implode;
+use function sprintf;
+
+class MissingAuthenticationException extends RuntimeException implements ProblemDetailsExceptionInterface
+{
+    use CommonProblemDetailsExceptionTrait;
+
+    private const TITLE = 'Invalid authorization';
+    public const TYPE = 'INVALID_AUTHORIZATION';
+
+    public static function fromExpectedTypes(array $expectedTypes): self
+    {
+        $e = new self(sprintf(
+            'Expected one of the following authentication headers, but none were provided, ["%s"]',
+            implode('", "', $expectedTypes)
+        ));
+
+        $e->detail = $e->getMessage();
+        $e->title = self::TITLE;
+        $e->type = self::TYPE;
+        $e->status = StatusCodeInterface::STATUS_UNAUTHORIZED;
+        $e->additional = ['expectedTypes' => $expectedTypes];
+
+        return $e;
+    }
+}