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#!/usr/bin/env ruby
require 'io/console'
require 'json'
require 'net/http'
require 'openssl'
require 'uri'
uri = URI.parse("http://localhost:4567/login")
header = {'Content-Type': 'text/json'}
print "Username: "; un = gets.strip
print "Password: "; pw = STDIN.noecho(&:gets).strip; puts
login = {
"username": un
}
http = Net::HTTP.new(uri.host, uri.port)
request = Net::HTTP::Post.new(uri.request_uri, header)
request.body = login.to_json
response = http.request(request)
eticket = [response.body].pack("H*").unpack("C*").pack("c*")
cipher = OpenSSL::Cipher::AES.new(256, :CBC).decrypt
cipher.key = Digest::SHA2.digest(pw)
begin
ticket = cipher.update(eticket) + cipher.final
puts ticket + ?\n
rescue OpenSSL::Cipher::CipherError
puts "Invalid password?"
end
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