debian-mirror-gitlab/lib/gitlab/request_forgery_protection.rb
2023-01-12 18:35:48 +00:00

45 lines
1.1 KiB
Ruby

# frozen_string_literal: true
# A module to check CSRF tokens in requests.
# It's used in API helpers and OmniAuth.
# Usage: GitLab::RequestForgeryProtection.call(env)
module Gitlab
module RequestForgeryProtection
# rubocop:disable Rails/ApplicationController
class Controller < ActionController::Base
protect_from_forgery with: :exception, prepend: true
def initialize
super
# Squelch noisy and unnecessary "Can't verify CSRF token authenticity." messages.
# X-Csrf-Token is only one authentication mechanism for API helpers.
self.logger = ActiveSupport::Logger.new(File::NULL)
end
def index
head :ok
end
end
def self.app
@app ||= Controller.action(:index)
end
def self.call(env)
app.call(env)
end
def self.verified?(env)
minimal_env = env.slice('REQUEST_METHOD', 'rack.session', 'HTTP_X_CSRF_TOKEN')
.merge('rack.input' => '')
call(minimal_env)
true
rescue ActionController::InvalidAuthenticityToken
false
end
# rubocop:enable Rails/ApplicationController
end
end