Empty URLs are invalid

Take this into account whe converting the host to lower case.

2 files changed, 10 insertions, 1 deletions

diff --git a/server/src/net/usebox/gemini/server/Server.scala b/server/src/net/usebox/gemini/server/Server.scala
index ce840df..5b1692f 100644
--- a/server/src/net/usebox/gemini/server/Server.scala
+++ b/server/src/net/usebox/gemini/server/Server.scala
@@ -72,7 +72,9 @@ case class Server(conf: ServiceConf) {
           uri.getScheme(),
           uri.getHost(),
           uri.getPath().decode(),
-          vHosts.find(_.host == uri.getHost().toLowerCase)
+          vHosts.find(vh =>
+            Some(vh.host) == Option(uri.getHost()).map(_.toLowerCase)
+          )
         ) match {
           case (null, _, _, _) =>
             logger.debug(s"no scheme")
diff --git a/server/test/src/ServerSpec.scala b/server/test/src/ServerSpec.scala
index c9a6947..dd6bf20 100644
--- a/server/test/src/ServerSpec.scala
+++ b/server/test/src/ServerSpec.scala
@@ -171,6 +171,13 @@ class ServerSpec extends AnyFlatSpec with Matchers {
     )
   }
 
+  it should "return bad request on empty URLs" in {
+    Server(TestData.conf)
+      .handleReq("", "127.0.0.1") should be(
+      a[BadRequest]
+    )
+  }
+
   it should "return bad request when the path is out of root dir" in {
     Server(TestData.conf)
       .handleReq("gemini://localhost/../../", "127.0.0.1") should be(