Class: OmniAuth::Strategies::OAuth2

Inherits:
Object
  • Object
show all
Includes:
OmniAuth::Strategy
Defined in:
lib/omniauth/strategies/oauth2.rb

Overview

Authentication strategy for connecting with APIs constructed using the [OAuth 2.0 Specification](tools.ietf.org/html/draft-ietf-oauth-v2-10). You must generally register your application with the provider and utilize an application id and secret in order to authenticate using OAuth 2.0.

Defined Under Namespace

Classes: CallbackError

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#access_token ⇒ Object

Returns the value of attribute access_token.



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# File 'lib/omniauth/strategies/oauth2.rb', line 31

def access_token
  @access_token
end

Instance Method Details

#authorize_params ⇒ Object 



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# File 'lib/omniauth/strategies/oauth2.rb', line 53

def authorize_params
  options.authorize_params[:state] = SecureRandom.hex(24)
  params = options.authorize_params.merge(options_for('authorize'))
  if OmniAuth.config.test_mode
    @env ||= {}
    @env['rack.session'] ||= {}
  end
  session['omniauth.state'] = params[:state]
  params
end

#callback_phase ⇒ Object

rubocop:disable CyclomaticComplexity



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# File 'lib/omniauth/strategies/oauth2.rb', line 68

def callback_phase # rubocop:disable CyclomaticComplexity
  error = request.params['error_reason'] || request.params['error']
  if error
    fail!(error, CallbackError.new(request.params['error'], request.params['error_description'] || request.params['error_reason'], request.params['error_uri']))
  elsif !options.provider_ignores_state && (request.params['state'].to_s.empty? || request.params['state'] != session.delete('omniauth.state'))
    fail!(:csrf_detected, CallbackError.new(:csrf_detected, 'CSRF detected'))
  else
    self.access_token = build_access_token
    self.access_token = access_token.refresh! if access_token.expired?
    super
  end
rescue ::OAuth2::Error, CallbackError => e
  fail!(:invalid_credentials, e)
rescue ::MultiJson::DecodeError => e
  fail!(:invalid_response, e)
rescue ::Timeout::Error, ::Errno::ETIMEDOUT, Faraday::Error::TimeoutError => e
  fail!(:timeout, e)
rescue ::SocketError, Faraday::Error::ConnectionFailed => e
  fail!(:failed_to_connect, e)
end

#callback_url ⇒ Object 



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# File 'lib/omniauth/strategies/oauth2.rb', line 37

def callback_url
  full_host + script_name + callback_path
end

#client ⇒ Object 



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# File 'lib/omniauth/strategies/oauth2.rb', line 33

def client
  ::OAuth2::Client.new(options.client_id, options.client_secret, deep_symbolize(options.client_options))
end

#request_phase ⇒ Object 



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# File 'lib/omniauth/strategies/oauth2.rb', line 49

def request_phase
  redirect client.auth_code.authorize_url({:redirect_uri => callback_url}.merge(authorize_params))
end

#token_params ⇒ Object 



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# File 'lib/omniauth/strategies/oauth2.rb', line 64

def token_params
  options.token_params.merge(options_for('token'))
end