Query: glacier_vault_restrict_public_access

with wildcard_action_policies as (
  select
    vault_arn,
    count(*) as statements_num
  from
    aws_glacier_vault,
    jsonb_array_elements(policy_std -> 'Statement') as s
  where
    s ->> 'Effect' = 'Allow'
    and (
      ( s -> 'Principal' -> 'AWS') = '["*"]'
      or s ->> 'Principal' = '*'
    )
  group by
    vault_arn
)
select
  g.vault_arn as resource,
  case
    when p.vault_arn is null then 'ok'
    else 'alarm'
  end as status,
  case
    when p.vault_arn is null then title || ' does not allow public access.'
    else title || ' contains ' || coalesce(p.statements_num, 0) ||
    ' statements that allow public access.'
  end as reason
  
  , g.region, g.account_id
from
  aws_glacier_vault as g
  left join wildcard_action_policies as p on p.vault_arn = g.vault_arn;