Class: GoogleAuthenticationBridge::GoogleAuthentication

Inherits:
Object
  • Object
show all
Defined in:
lib/google_auth_bridge.rb

Constant Summary collapse

GOOGLE_REDIRECT_URI = 
'urn:ietf:wg:oauth:2.0:oob'

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(scope, client_id, client_secret, token_file) ⇒ GoogleAuthentication

Returns a new instance of GoogleAuthentication.



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# File 'lib/google_auth_bridge.rb', line 23

def initialize(scope, client_id, client_secret, token_file)
  @scope = scope
  @client_id = client_id
  @client_secret = client_secret
  @token_file = token_file
end

Class Method Details

.create_from_config_file(scope, file_name, token_file) ⇒ Object

Raises:



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# File 'lib/google_auth_bridge.rb', line 8

def self.create_from_config_file(scope, file_name, token_file)
  config = load_file(file_name)
  client_id, client_secret = config[:google_client_id], config[:google_client_secret]
  raise InvalidFileFormatError.new(token_file) if client_id.nil? or client_secret.nil?
  GoogleAuthentication.new(
      scope,
      client_id,
      client_secret,
      token_file)
end

.load_file(file_name) ⇒ Object 



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# File 'lib/google_auth_bridge.rb', line 19

def self.load_file(file_name)
  YAML.load_file(file_name)
end

Instance Method Details

#get_auth_url ⇒ Object 



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# File 'lib/google_auth_bridge.rb', line 44

def get_auth_url
  "https://accounts.google.com/o/oauth2/auth?response_type=code&scope=#{URI::encode(@scope)}&redirect_uri=#{GOOGLE_REDIRECT_URI}&client_id=#{URI::encode(@client_id)}"
end

#get_oauth2_access_token(authorization_code = nil) ⇒ Object 



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# File 'lib/google_auth_bridge.rb', line 40

def get_oauth2_access_token(authorization_code=nil)
  OAuth2::AccessToken.from_hash(get_oauth2_client, get_tokens(authorization_code))
end

#get_tokens(authorization_code = nil) ⇒ Object 



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# File 'lib/google_auth_bridge.rb', line 34

def get_tokens(authorization_code=nil)
  client = Google::APIClient.new
  setup_credentials(client, authorization_code)
  refresh_tokens(client)
end

#load_token_from_file ⇒ Object

Raises:



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

def load_token_from_file
  raise FileNotFoundError.new(@token_file) unless token_file_exists?

  begin
    token_data = GoogleAuthentication.load_file(@token_file)
    token_data[:refresh_token] or raise
  rescue
    raise InvalidFileFormatError.new(@token_file)
  end
end

#save_token_to_file(refresh_token) ⇒ Object

Raises:



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# File 'lib/google_auth_bridge.rb', line 59

def save_token_to_file(refresh_token)
  raise InvalidTokenError.new(refresh_token) if refresh_token.nil?
  File.open(@token_file, 'w') { |f|
    f.write(YAML.dump({:refresh_token => refresh_token}))
  }
end

#token_file_exists? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/google_auth_bridge.rb', line 30

def token_file_exists?
  File.exists? @token_file
end