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Don't use the TTL for stale-if-error and stale-while-revalidate

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Use constant, reasonable values instead
This commit is contained in:
Frank Denis 2020-07-09 21:08:34 +02:00
parent b8c8dacb5d
commit 64cd83a440
2 changed files with 7 additions and 1 deletions
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2
src/libdoh/src/constants.rs
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@ -2,3 +2,5 @@ pub const DNS_QUERY_PARAM: &str = "dns";
pub const MAX_DNS_QUESTION_LEN: usize = 512; pub const MAX_DNS_QUESTION_LEN: usize = 512;
pub const MAX_DNS_RESPONSE_LEN: usize = 4096; pub const MAX_DNS_RESPONSE_LEN: usize = 4096;
pub const MIN_DNS_PACKET_LEN: usize = 17; pub const MIN_DNS_PACKET_LEN: usize = 17;
pub const STALE_IF_ERROR_SECS: u32 = 3600;
pub const STALE_WHILE_REVALIDATE_SECS: u32 = 60;

6
src/libdoh/src/lib.rs
View file

@ -212,7 +212,11 @@ impl DoH {
.header(hyper::header::CONTENT_TYPE, "application/dns-message") .header(hyper::header::CONTENT_TYPE, "application/dns-message")
.header( .header(
hyper::header::CACHE_CONTROL, hyper::header::CACHE_CONTROL,
format!("max-age={}, stale-while-revalidate={}, stale-if-error={}", ttl, ttl, ttl).as_str(), format!(
"max-age={}, stale-if-error={}, stale-while-revalidate={}",
ttl, STALE_IF_ERROR_SECS, STALE_WHILE_REVALIDATE_SECS
)
.as_str(),
) )
.body(Body::from(packet)) .body(Body::from(packet))
.unwrap(); .unwrap();