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checkin.rb

require 'mechanize'
require "logger"
require 'json'

def login_url
    "http://www.xiami.com/member/login"
end

def checkin_url
    "http://www.xiami.com/task/signin"
end

def server
    "www.xiami.com"
end

def is_osx?
    !!(RUBY_PLATFORM =~ /darwin/)
end

def account_filename
    "account.yml"
end

def gen_account_from_keychain account
    password = %x[security find-internet-password -a #{account} -ws #{server}].chomp

    File.open(account_filename, "w") do |file|
        file.puts({email: account, password: password}.to_json)
    end
end

if is_osx?
    gen_account_from_keychain "[email protected]"
end

agent = Mechanize.new
# agent.log = Logger.new $stderr
# agent.agent.http.debug_output = $stderr

login_page = agent.get login_url
login_form = login_page.forms.first

begin
    File.open(account_filename, "r") do |file|
        account = JSON.parse file.read
        login_form.email = account['email']
        login_form.password = account['password']

    end

    login_form.submit login_form.buttons.first

    agent.post checkin_url
rescue
ensure
    File.delete(account_filename)
end