Allowed port number on domain field when creating shotr URLs

module/Core/src/Validation/ShortUrlMetaInputFilter.php

@@ -50,9 +50,7 @@ class ShortUrlMetaInputFilter extends InputFilter
         $this->add($this->createBooleanInput(self::FIND_IF_EXISTS, false));
 
         $domain = $this->createInput(self::DOMAIN, false);
-        $domain->getValidatorChain()->attach(new Validator\Hostname([
-            'allow' => Validator\Hostname::ALLOW_DNS | Validator\Hostname::ALLOW_LOCAL,
-        ]));
+        $domain->getValidatorChain()->attach(new Validation\HostAndPortValidator());
         $this->add($domain);
     }
 }

module/Rest/src/Action/ShortUrl/CreateShortUrlAction.php

@@ -7,6 +7,7 @@ namespace Shlinkio\Shlink\Rest\Action\ShortUrl;
 use Cake\Chronos\Chronos;
 use Psr\Http\Message\ServerRequestInterface as Request;
 use Shlinkio\Shlink\Core\Exception\InvalidArgumentException;
+use Shlinkio\Shlink\Core\Exception\ValidationException;
 use Shlinkio\Shlink\Core\Model\CreateShortUrlData;
 use Shlinkio\Shlink\Core\Model\ShortUrlMeta;
 use Zend\Diactoros\Uri;
@@ -29,18 +30,20 @@ class CreateShortUrlAction extends AbstractCreateShortUrlAction
             throw new InvalidArgumentException('A URL was not provided');
         }
 
-        return new CreateShortUrlData(
-            new Uri($postData['longUrl']),
-            (array) ($postData['tags'] ?? []),
-            ShortUrlMeta::createFromParams(
+        try {
+            $meta = ShortUrlMeta::createFromParams(
                 $this->getOptionalDate($postData, 'validSince'),
                 $this->getOptionalDate($postData, 'validUntil'),
                 $postData['customSlug'] ?? null,
                 $postData['maxVisits'] ?? null,
                 $postData['findIfExists'] ?? null,
                 $postData['domain'] ?? null
-            )
-        );
+            );
+
+            return new CreateShortUrlData(new Uri($postData['longUrl']), (array) ($postData['tags'] ?? []), $meta);
+        } catch (ValidationException $e) {
+            throw new InvalidArgumentException('Provided meta data is not valid', -1, $e);
+        }
     }
 
     private function getOptionalDate(array $postData, string $fieldName): ?Chronos

module/Rest/test/Action/ShortUrl/CreateShortUrlActionTest.php

@@ -15,6 +15,7 @@ use Shlinkio\Shlink\Core\Model\ShortUrlMeta;
 use Shlinkio\Shlink\Core\Service\UrlShortener;
 use Shlinkio\Shlink\Rest\Action\ShortUrl\CreateShortUrlAction;
 use Shlinkio\Shlink\Rest\Util\RestUtils;
+use Zend\Diactoros\Response\JsonResponse;
 use Zend\Diactoros\ServerRequest;
 use Zend\Diactoros\Uri;
 
@@ -50,8 +51,8 @@ class CreateShortUrlActionTest extends TestCase
     {
         $shortUrl = new ShortUrl('');
         $this->urlShortener->urlToShortCode(Argument::type(Uri::class), Argument::type('array'), Argument::cetera())
-            ->willReturn($shortUrl)
-            ->shouldBeCalledOnce();
+             ->willReturn($shortUrl)
+             ->shouldBeCalledOnce();
 
         $request = (new ServerRequest())->withParsedBody([
             'longUrl' => 'http://www.domain.com/foo/bar',
@@ -65,8 +66,8 @@ class CreateShortUrlActionTest extends TestCase
     public function anInvalidUrlReturnsError(): void
     {
         $this->urlShortener->urlToShortCode(Argument::type(Uri::class), Argument::type('array'), Argument::cetera())
-            ->willThrow(InvalidUrlException::class)
-            ->shouldBeCalledOnce();
+             ->willThrow(InvalidUrlException::class)
+             ->shouldBeCalledOnce();
 
         $request = (new ServerRequest())->withParsedBody([
             'longUrl' => 'http://www.domain.com/foo/bar',
@@ -76,6 +77,35 @@ class CreateShortUrlActionTest extends TestCase
         $this->assertTrue(strpos($response->getBody()->getContents(), RestUtils::INVALID_URL_ERROR) > 0);
     }
 
+    /**
+     * @test
+     * @dataProvider provideInvalidDomains
+     */
+    public function anInvalidDomainReturnsError(string $domain): void
+    {
+        $shortUrl = new ShortUrl('');
+        $urlToShortCode = $this->urlShortener->urlToShortCode(Argument::cetera())->willReturn($shortUrl);
+
+        $request = (new ServerRequest())->withParsedBody([
+            'longUrl' => 'http://www.domain.com/foo/bar',
+            'domain' => $domain,
+        ]);
+        /** @var JsonResponse $response */
+        $response = $this->action->handle($request);
+        $payload = $response->getPayload();
+
+        $this->assertEquals(400, $response->getStatusCode());
+        $this->assertEquals(RestUtils::INVALID_ARGUMENT_ERROR, $payload['error']);
+        $urlToShortCode->shouldNotHaveBeenCalled();
+    }
+
+    public function provideInvalidDomains(): iterable
+    {
+        yield ['localhost:80000'];
+        yield ['127.0.0.1'];
+        yield ['???/&%$&'];
+    }
+
     /** @test */
     public function nonUniqueSlugReturnsError(): void
     {