Class: GcalMapper::Authentification::Oauth2

Inherits:
Base
  • Object
show all
Defined in:
lib/gcal_mapper/authentification/oauth2.rb

Overview

make the authentification with Oauth2 and request data from google calendar.

Instance Method Summary collapse

Constructor Details

#initialize(yaml_file) ⇒ Oauth2

intialize client info needed for connection to Oauth2.



14
15
16
17
18
19
20
21
22
23
24
25
26
 
# File 'lib/gcal_mapper/authentification/oauth2.rb', line 14

def initialize (yaml_file)
  begin
    oauth_yaml = YAML.load_file(yaml_file)
    @client_id = oauth_yaml["client_id"]
    @client_secret = oauth_yaml["client_secret"]
    @scope = oauth_yaml["scope"]
    @refresh_token = oauth_yaml["refresh_token"]
    @access_token = oauth_yaml["access_token"]
    @validity = Time.now.getutc.to_i
  rescue
    raise GcalMapper::AuthFileError
  end
end

Instance Method Details

#access_token ⇒ String

give the acess token for th application and refresh if it is outdated



31
32
33
34
35
36
37
 
# File 'lib/gcal_mapper/authentification/oauth2.rb', line 31

def access_token
  if (Time.now.getutc.to_i - @validity) > 3600
    refresh_token
  end

  @access_token
end

#refresh_token ⇒ String

refresh the token by using refresh token



42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
 
# File 'lib/gcal_mapper/authentification/oauth2.rb', line 42

def refresh_token
  data = {
    'client_id' => @client_id,
    'client_secret' => @client_secret,
    'refresh_token' => @refresh_token,
    'grant_type' => 'refresh_token'
  }
  options = {
    :method => :post,
    :headers => {'Content-Type' => 'application/x-www-form-urlencoded'},
    :parameters => data
  }
  req = GcalMapper::RestRequest.new(Authentification::REQUEST_URL, options)
  begin
    response = req.execute
  rescue
    raise GcalMapper::AuthentificationError
  end
  @validity = Time.now.getutc.to_i

  @access_token = response['access_token']
  response
end