Function filter_headers

src/environmentd/src/http/webhook.rs:294–309

(
    headers: &'a BTreeMap<String, String>,
    filters: &'b WebhookHeaderFilters,
)

}

fn filter_headers<'a: 'b, 'b>(
    headers: &'a BTreeMap<String, String>,
    filters: &'b WebhookHeaderFilters,
) -> impl Iterator<Item = (&'a str, &'a str)> + 'b {
    headers
        .iter()
        .filter(|(header_name, _val)| {
            // If our block list is empty, then don't filter anything.
            filters.block.is_empty() || !filters.block.contains(*header_name)
        })
        .filter(|(header_name, _val)| {
            // If our allow list is empty, then don't filter anything.
            filters.allow.is_empty() || filters.allow.contains(*header_name)
        })
        .map(|(key, val)| (key.as_str(), val.as_str()))
}

/// A [`Row`] that has the body of a request already packed into it.
///