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 11

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

  # missing auth token
  return false unless auth_header

  # parse header for values necessary for authentication
  uid        = auth_header[/uid=(.*?)$/,1]
  @token     = auth_header[/token=(.*?) /,1]
  @client_id = auth_header[/client=(.*?) /,1]

  # client_id isn't required, set to 'default' if absent
  @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?(@token, @client_id)
    (:user, @user, store: false, bypass: true)

    # check this now so that the duration of the request itself doesn't eat
    # away the buffer
    @is_batch_request = is_batch_request?(@user, @client_id)

  else
    # zero all values previously set values
    @user = @current_user = @is_batch_request = nil
  end
end

#update_auth_header ⇒ Object 



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# File 'app/controllers/devise_token_auth/concerns/set_user_by_token.rb', line 42

def update_auth_header

  auth_header = nil
  if not DeviseTokenAuth.change_headers_on_each_request
    auth_header = @user.build_auth_header(@token, @client_id)

  # extend expiration of batch buffer to account for the duration of
  # this request
  elsif @is_batch_request and @client_id and @user
    auth_header = @user.extend_batch_buffer(@token, @client_id)

  # update Authorization response header with new token
  elsif @user and @client_id
    auth_header = @user.create_new_auth_token(@client_id)
  end

  response.headers["Authorization"] = auth_header if auth_header
end