request.rb

#!/usr/bin/env ruby

require 'yaml'
require 'json'

# You can either pipe in the data that this script expects or
# The data expected by this script should be in the following format:
# Request:
#   Method: GET
#   URL: https://example.com/example/url/slug
#   Header:
#     Content-Type: application/x-www-form-urlencoded
#     User-Agent: Example User Agent
#   Body: {"sample": "json"} / key=value&key2=value2 / null

if $stdin.tty?
  puts "Paste in the request YAML then press ESC and RETURN"
  yaml = YAML.load(gets("\e").chomp("\e"))
else
  yaml = YAML.load(ARGF.readlines.join)
end
request = yaml['Request']
method = "-X #{request['Method']}"
headers = request['Header'].map { |key, value| "-H '#{key}: #{value}'" }.join(" ")
url = request['URL']
body = request['Body']
if body.is_a?(Hash)
  data = "-d #{JSON.generate(body)}"
elsif body.is_a?(String)
  data = body.split('&').map { |value| "-F '#{value}'"}.join(" ")
else
  data = ""
end
command = "curl #{method} #{headers} #{data} #{url}"
puts command