Module: DeviseTokenAuth::Concerns::SetUserByToken

Extended by:
ActiveSupport::Concern
Included in:
ApplicationController, SessionsController
Defined in:
app/controllers/devise_token_auth/concerns/set_user_by_token.rb

Instance Method Summary collapse

Instance Method Details

#set_user_by_token ⇒ Object

user auth



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# File 'app/controllers/devise_token_auth/concerns/set_user_by_token.rb', line 10

def set_user_by_token
  auth_header = request.headers["Authorization"]

  # missing auth token
  return false unless auth_header

  token      = auth_header[/token=(.*?) /,1]
  uid        = auth_header[/uid=(.*?)$/,1]
  @client_id = auth_header[/client=(.*?) /,1]

  @client_id ||= 'default'

  # mitigate timing attacks by finding by uid instead of auth token
  @user = @current_user = uid && User.find_by_uid(uid)

  if @user && @user.valid_token?(@client_id, token)
    (:user, @user, store: false, bypass: true)
  else
    @user = @current_user = nil
  end
end

#update_auth_header ⇒ Object 



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# File 'app/controllers/devise_token_auth/concerns/set_user_by_token.rb', line 32

def update_auth_header
  if @user
    # update user's auth token (should happen on each request)
    token                    = SecureRandom.urlsafe_base64(nil, false)
    token_hash               = BCrypt::Password.create(token)
    @user.tokens[@client_id] = {
      token:  token_hash,
      expiry: Time.now + 2.weeks
    }
    @user.save

    # update Authorization response header with new token
    response.headers["Authorization"] = "token=#{token} client=#{@client_id} uid=#{@user.uid}"
  end
end