Control: Site headers must contain Referrer-Policy

Description

The Referrer Policy HTTP header sets the parameter for amount of information sent along with Referrer Header while making a request. Referrer policy is used to maintain the security and privacy of source account while fetching resources or performing navigation. This is done by modifying the algorithm used to populate Referrer Header.

Usage

Run the control in your terminal:

powerpipe control run net_insights.control.security_headers_referrer_policy

Snapshot and share results via Turbot Pipes:

powerpipe login
powerpipe control run net_insights.control.security_headers_referrer_policy --share

Steampipe Tables

net_http_request

Params

Args	Name	Default	Description	Variable
$1	website_urls	`["https://github.com","https://microsoft.com"]`	Website URLs.	website_urls

SQL

with available_headers as (
  select
    url,
    array_agg(header.key)
  from
    net_http_request,
    jsonb_each(response_headers) as header
  where
    url in (
      select
        jsonb_array_elements_text(to_jsonb($1 :: text [ ]))
    )
  group by
    url
)
select
  url as resource,
  case
    when array [ 'Referrer-Policy' ] < @ array_agg then 'ok'
    else 'alarm'
  end as status,
  case
    when array [ 'Referrer-Policy' ] < @ array_agg then url || ' contains required headers ''Referrer-Policy''.'
    else url || ' missing required headers ''Referrer-Policy''.'
  end as reason
from
  available_headers;