sso_login_box_for_ntnu/app/controllers/sso_login_box_controller.rb

41 lines
1.4 KiB
Ruby

class SsoLoginBoxController < SessionsController
def ntnu_oauth2_sign_in
# receive code from ntnu
code = params[:code]
# request token by code
token_connection = Faraday.new 'https://api.ntnu.edu.tw/NtnuCloud/acs'
token_response = token_connection.post do |request|
request.params['grant_type'] = 'authorization_code'
request.params['client_id'] = ENV['APP_ID']
request.params['client_secret'] = ENV['APP_SECRET']
request.params['redirect_uri'] = ENV['REDIRECT_URI']
request.params['code'] = code
end
token = JSON.parse(token_response.body)['access_token']
# request user account by token
account_connection = Faraday.new 'https://api.ntnu.edu.tw/NtnuApi/api'
account_response = account_connection.get do |request|
request.params['apiName'] = 'queryUserInfo'
request.params['accesstoken'] = token
end
user_name = JSON.parse(account_response.body)['account']
user = User.find_by(user_name: user_name) rescue nil
if !user.nil?
session[:user_id] = user.id
session[:login_referer] = nil
if params[:referer_url]
redirect_to URI.parse(params[:referer_url]).path
else
redirect_to admin_dashboards_path
end
else
@login_referer = params[:referer_url]
flash.now.alert = "User not in database. Ask the administrator to add your username first and then try again."
render "new"
end
end
end