A web server that uploads file

file_upload.cr

require "kemal"

sha256 = OpenSSL::Digest.new("sha256")

get "/:name" do |env|
    name = env.params.url["name"]
    render "public/index.ecr"
end

post "/upload" do |env|
  file = env.params.files["image1"]
  if !file.filename.is_a?(String)
    p "No filename included in upload"
  else
    new_file_id = sha256.update("#{SecureRandom.uuid}#{file.filename}")
    file_path = ::File.join("#{Kemal.config.public_folder}/uploads/#{new_file_id}#{file.filename}")
    File.write(file_path, file.tmpfile)
  end
end
Kemal.run

shard.yml

name: webserver
version: 0.1.0

authors:
  - felixfong227 <moongod101@hotmail.com>

dependencies:
  kemal:
    github: kemalcr/kemal
    branch: master

description: |
  Just a testing web server

license: MIT