Class: Base4R::ClientLogin

Inherits:
Object
  • Object
show all
Includes:
HTTPLogger
Defined in:
lib/client_login.rb

Overview

ClientLogin authenticates the user with Google Accounts using the ClientLogin service.

Constant Summary collapse

ServiceURL = 
URI.parse('https://www.google.com/accounts/ClientLogin')

Instance Method Summary collapse

Methods included from HTTPLogger

included, #log, #log_request, #log_response, #verbose?

Constructor Details

#initialize(options = {}) ⇒ ClientLogin

Create a ClientLogin. options is optional and by default logs into the Google Base API.



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# File 'lib/client_login.rb', line 36

def initialize(options={})

  defaults = {:accountType => 'GOOGLE',
              :service => 'gbase',
              :source => 'base4r-clientloginapp-v1'}

   @config = defaults.merge(options)
end

Instance Method Details

#authenticate(email, password) ⇒ Object

attempt to authenticate email and password with Google. Returns an authentication token on success, raises Exception on failure. todo: make exception handling more useful



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# File 'lib/client_login.rb', line 48

def authenticate(email, password)

  params = {
    'accountType' => @config[:accountType],
    'Email' => email,
    'Passwd' => password,
    'service' => @config[:service],
    'source' => @config[:source]
  }
  
  req = Net::HTTP::Post.new(ServiceURL.path)
  req.set_form_data(params)

  http = Net::HTTP.new(ServiceURL.host, 443)
  http.use_ssl = true
  http.verify_mode = OpenSSL::SSL::VERIFY_PEER
  http.ca_file = File.expand_path(File.dirname(__FILE__)+"/../cert/cacert.pem")
  # todo - above is probably reading file for every request, cache certs instead

  log_request req
  resp = http.request(req)
  log_response resp

  unless resp.instance_of? Net::HTTPOK then
    resp.body =~ /^Error=(.+)$/

    raise CaptchaRequiredException.new(email) if 'CaptchaRequired' == $1        
    raise 'unknown exception authenticating with google:'+$1
  end

  # parse the auth key from the body
  resp.body =~ /^Auth=(.+)$/
  return $1

end