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# frozen_string_literal: true
module Gitlab
module Auth
class BlockedUserTracker
ACTIVE_RECORD_REQUEST_PARAMS = 'action_dispatch.request.request_parameters'
def self.log_if_user_blocked(env)
message = env.dig('warden.options', :message)
# Devise calls User#active_for_authentication? on the User model and then
# throws an exception to Warden with User#inactive_message:
# https://github.com/plataformatec/devise/blob/v4.2.1/lib/devise/hooks/activatable.rb#L8
#
# Since Warden doesn't pass the user record to the failure handler, we
# need to do a database lookup with the username. We can limit the
# lookups to happen when the user was blocked by checking the inactive
# message passed along by Warden.
return unless message == User::BLOCKED_MESSAGE
# Check for either LDAP or regular GitLab account logins
login = env.dig(ACTIVE_RECORD_REQUEST_PARAMS, 'username') ||
env.dig(ACTIVE_RECORD_REQUEST_PARAMS, 'user', 'login')
return unless login.present?
user = User.by_login(login)
return unless user&.blocked?
Gitlab::AppLogger.info("Failed login for blocked user: user=#{user.username} ip=#{env['REMOTE_ADDR']}")
SystemHooksService.new.execute_hooks_for(user, :failed_login)
true
rescue TypeError
end
end
end
end
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