From 3e640c22a23f2494dc9546dd4703a3dc2682171b Mon Sep 17 00:00:00 2001
From: Robert <8934693+0x1eef@users.noreply.github.com>
Date: Sun, 25 Jun 2023 21:21:00 -0300
Subject: [PATCH] server: add content-type based on path extname (#133)

### Summary

Add content-type based on path extname using `Rack::Mime`.
---
 packages/ruby/server/lib/server/dir.rb | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/packages/ruby/server/lib/server/dir.rb b/packages/ruby/server/lib/server/dir.rb
index 8397a3d..1262908 100644
--- a/packages/ruby/server/lib/server/dir.rb
+++ b/packages/ruby/server/lib/server/dir.rb
@@ -20,7 +20,11 @@ class Server::Dir
 
   def read(path)
     body = File.binread(path)
-    [{"Content-Length" => body.bytesize}, body.each_line]
+    [
+      {"content-type" => Rack::Mime.mime_type(File.extname(path)),
+       "content-length" => body.bytesize},
+      body.each_line
+    ]
   end
 
   def local_path(req_path)
@@ -29,6 +33,6 @@ class Server::Dir
   end
 
   def not_found
-    [404, {"Content-Type" => "text/plain"}, ["The requested URL was not found"]]
+    [404, {"content-type" => "text/plain"}, ["The requested URL was not found"]]
   end
 end