v0.26.0

• Crystal 0.30.0 support 🎉 #548 #544. Thanks @bcardiff and @straight-shoota 🙏
• Add support for serving files greater than 2^31 bytes #546. Thanks @omarroth 🙏
• Properly measure request time using Time.monotonic #527. Thanks @spinscale 🙏

0.25.2

• Crystal 0.27.2 support 🎉

• Add option to config to parse or not command line parameters #483. Thanks @diegogub 🙏

• Allow to set filename for send_file #512. Thanks @mamantoha 🙏

send_file env, "./asset/image.jpeg", filename: "image.jpg"

• Set status_code before response #513. Thanks @mamantohoa 🙏

• Use Crystal MIME registry. #516 Thanks @Sija 🙏

v0.25.1

• Fix params.files memoization #503. Thanks @mamantoha 🙏

v0.25.0

• Crystal 0.27.0 support.

• [breaking change] Added back env.params.files.

Here's a fully working sample for reading a image file upload image1 and saving it under public/uploads.

post "/upload" do |env|
file = env.params.files["image1"].tmpfile
file_path = ::File.join [Kemal.config.public_folder, "uploads/", file.filename]
File.open(file_path, "w") do |f|
  IO.copy(file, f)
end
"Upload ok"
end

To test

curl -F "image1=@/Users/serdar/Downloads/kemal.png" http://localhost:3000/upload

• Cache HTTP routes to increase performance 🚀 #493

v0.24.0

• Crystal 0.26.0 support

• [breaking change] Removed env.params.files. You can use Crystal's built-in HTTP::FormData.parse instead

post "/upload" do |env|
  HTTP::FormData.parse(env.request) do |upload|
    filename = file.filename

    if !filename.is_a?(String)
      "No filename included in upload"
    else
      file_path = ::File.join [Kemal.config.public_folder, "uploads/", filename]
      File.open(file_path, "w") do |f|
      IO.copy(file.tmpfile, f)
    end
    "Upload OK"
  end
end

• [breaking change] From now on to access dynamic url params in a WebSocket route you have to use:

ws "/:id" do |socket, context|
  id = context.ws_route_lookup.params["id"]
end

• [breaking change] Removed _method magic param.

• Added new exception page #466. Thanks @mamantoha 🙏

• Support custom port binding. Thanks @straight-shoota 🙏

Kemal.run do |config|
  server = config.server.not_nil!
  server.bind_tcp "127.0.0.1", 3000, reuse_port: true
  server.bind_tcp "0.0.0.0", 3001, reuse_port: true
end

v0.23.0

• Crystal 0.25.0 support 🎉
• Add Kemal::Context.get? to safely access context storage 😎
• [Security] Don't serve 404 image dynamically 👍
• Disable X-Powered-By header #449. Thanks @Blacksmoke16 🙏

v0.22.0

• Crystal 0.24.1 support 🎉
• Only return string from route.#408 thanks @crisward 🙏
• Don't crash on empty path when compiled in --release. #407 thanks @crisward 🙏
• Rename Kemal::CommonLogHandler to Kemal::LogHandler and Kemal::CommonExceptionHandler to Kemal::ExceptionHandler.
• Allow videos to be opened with correct mime type. #406 thanks @crisward 🙏
• Add webm mime type.#413 thanks @reindeer-cafe 🙏

v0.21.0

• Dynamically insert handlers 💪 Fixes #376.
• Add context to WebSocket. This allows one to use HTTP::Server::Context in ws declarations 😍 Fixes #349.

ws "/:room_name" do |socket, env|
  env.params.url["room_name"]
end

• Add support for customizing the headers of built-in Kemal::StaticFileHandler 🔨 Useful for supporting CORS for single page applications 👏

static_headers do |response, filepath, filestat|
  if filepath =~ /\.html$/
      response.headers.add("Access-Control-Allow-Origin", "*")
    end
    response.headers.add("Content-Size", filestat.size.to_s)
  end
end

• Allow %w in Handler macros #385. Thanks @will 🙏

• Security: X-Content-Type-Options: nosniff for static files. Fixes #379. Thanks @crisward 🙏

• Performance: Remove tempfile management to OS. This brings %10 - 15 performance boost to Kemal 🚀

v0.20.0

• Crystal 0.23.0 support! As always, Kemal is compatible with the latest major release of Crystal 💎
• Great news everyone 🎉 All handlers are now completely customizable!. Use the default Kemal handlers or go wild, it's all up to you ⛏

# Don't forget to add `Kemal::RouteHandler::INSTANCE` or your routes won't work!
Kemal.config.handlers = [Kemal::InitHandler.new, YourHandler.new, Kemal::RouteHandler::INSTANCE]

You can also insert a handler into a specific position.

# This adds MyCustomHandler instance to 1 position. Be aware that the index starts from 0.
add_handler MyCustomHandler.new, 1

• Updated Kilt to v0.4.0.
• Make Route a Struct. This improves the performance of route declarations.

v0.19.0

Format