Class: Devise::Strategies::Oauth2FacebookGrantTypeStrategy

Inherits:
Oauth2GrantTypeStrategy
  • Object
show all
Defined in:
lib/devise/oauth2_facebook_grantable/strategies/facebook_grant_type.rb

Instance Method Summary collapse

Instance Method Details

#authenticate_grant_type(client) ⇒ Object 



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# File 'lib/devise/oauth2_facebook_grantable/strategies/facebook_grant_type.rb', line 9

def authenticate_grant_type(client)
  Devise::Oauth2ProvidableFacebook.logger.debug("Oauth2FacebookGrantTypeStrategy => Searching for user with facebook identifier:\"#{params[:facebook_identifier]}\"")
  resource = mapping.to.find_for_authentication(:facebook_identifier => params[:facebook_identifier])

  # If the app could not be found
  if(!resource)
    Devise::Oauth2ProvidableFacebook.logger.debug("Oauth2FacebookGrantTypeStrategy => Could not find user with facebook identifer:\"#{params[:facebook_identifier]}\"")
    fb_user = Devise::Oauth2ProvidableFacebook.facebook_user_for_token(params[:facebook_access_token])
    if(fb_user && fb_user["email"])
       Devise::Oauth2ProvidableFacebook.logger.debug("Oauth2FacebookGrantTypeStrategy => Falling back to email:\"#{fb_user["email"]}\"")
       resource = mapping.to.find_for_authentication(:email => fb_user["email"].to_s)
       if(resource)
         Devise::Oauth2ProvidableFacebook.logger.debug("Oauth2FacebookGrantTypeStrategy => Found user with email:\"#{fb_user["email"]}\" saving facebook_idenfier: #{fb_user["id"]}")
         resource.facebook_identifier = fb_user["id"].to_s
         resource.save
       end
     end
  end

  Devise::Oauth2ProvidableFacebook.logger.debug("Oauth2FacebookGrantTypeStrategy => Validating access token for user with facebook identifier:\"#{params[:facebook_identifier]}\"")
  if(resource)
    if(validate(resource) { resource.valid_facebook_access_token?(params[:facebook_access_token]) })
      Devise::Oauth2ProvidableFacebook.logger.debug("Oauth2FacebookGrantTypeStrategy => Token is valid")
      success!(resource)
    elsif(!halted?)
      Devise::Oauth2ProvidableFacebook.logger.debug("Oauth2FacebookGrantTypeStrategy => Token is not valid")
      oauth_error! :invalid_grant, 'could not authenticate to facebook'
    end
  else
    Devise::Oauth2ProvidableFacebook.logger.debug("Oauth2FacebookGrantTypeStrategy => User not found")
    oauth_error! :invalid_grant, 'could not authenticate'
  end
end

#grant_type ⇒ Object 



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# File 'lib/devise/oauth2_facebook_grantable/strategies/facebook_grant_type.rb', line 4

def grant_type
  Devise::Oauth2ProvidableFacebook.logger.debug("Facebook Grant Loaded")
  'facebook'
end