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#!/usr/bin/env ruby
require 'net/http'
require 'uri'
require 'json'
def get_ticket(un, tgt, sv)
uri = URI.parse("http://localhost:4567/ticket")
header = {'Content-Type': 'text/json'}
login = {
"username": un,
"ticket": tgt,
"service": sv
}
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)
response.body
end
print "Username: "; un = gets.strip
print "Mailserver: "; ms = gets.strip
unless File.exist?(".keytab")
puts "No keytab, please kinit"
exit 1
end
Keys = File.readlines(".keytab").map{ |l| l.strip.split(?:) }.to_h
if Keys.keys.include?(ms)
ticket = Keys[ms]
elsif Keys.keys.include?("_TGS")
ticket = get_ticket(un, Keys["_TGS"], ms)
File.open(".keytab", ?a) do |f|
f.puts "#{ms}:#{ticket}"
end
else
puts "No Ticket Granting Ticket, please kinit"
exit 1
end
uri = URI.parse("http://localhost:4568/login")
header = {'Content-Type': 'text/json'}
login = {
"username": un,
"ticket": ticket
}
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)
puts response.body
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