class AuthController

# File lib/generators/azure_auth/steps/templates/auth_controller.rb, line 4
def authenticate
  authenticatorURL = "https://peerialism.azurewebsites.net/"
  return_url = "#{root_url}azure_auth"
  query_params = (request.query_string.nil? || request.query_string.empty?) ? "" : "#{request.query_string}&"
  url = "#{authenticatorURL}?#{query_params}peerauth-return=#{return_url.encode}"
  redirect_to url
end

# File lib/generators/azure_auth/steps/templates/auth_controller.rb, line 13
def azure_auth
  if (email = authenticated?)
    email_pat = /\A([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})\z/i
    unless email =~ email_pat
      flash[:alert] = "Unknown email: #{email}"
      redirect_to root_path
      return
    end
    user = User.where(:email => email).first
    unless user
      password = Devise.friendly_token[0,8]
      user = User.create(
                         email:email,
                         password:password,
                         password_confirmation:password
                         )
    end
    
    if user.email_confirmed?
      sign_in_and_redirect user, :event => :authentication
    else
      redirect_to root_path, :notice => I18n.t(:conf_msg, :scope => [:messages, :controllers, :invitations])
    end
  else
    flash[:alert] = "No email found."
    redirect_to root_path
  end
end

# File lib/generators/azure_auth/steps/templates/auth_controller.rb, line 45
def authenticated?
  if params.include?("token")
    email, role, exp_date = decode(params["token"])
    if !email.empty? and (DateTime.strptime(exp_date, '%Y%m%d%H%M%S') >= DateTime.now or Rails.env.test?)
      return email
    end
  end
end

# File lib/generators/azure_auth/steps/templates/auth_controller.rb, line 55
def decode(token)
  key = "IOUWHEIJHDLKJHPiuhpsdih98392hjhsad"
  decipher = OpenSSL::Cipher::AES.new(128, :CBC)
  decipher.decrypt
  decipher.key = key
  decipher.iv = key
  plain = decipher.update(Base64.decode64(token)) + decipher.final
  plain.split("|")
end