repos / pico

commit

3ad9fce

parent

d758032

author

Eric Bower

date

2026-04-19 11:40:18 -0400 EDT

chore(pgs): HEAD can share same key as GET

 1@@ -35,7 +35,12 @@ type PgsCacheKey struct {
 2 
 3 func (c *PgsCacheKey) GetCacheKey(r *http.Request) string {
 4 	subdomain := router.GetSubdomainFromRequest(r, c.Domain, c.TxtPrefix)
 5-	return subdomain + "__" + r.Method + "__" + r.URL.RequestURI()
 6+	// RFC 9111 §3: HEAD responses can be served from a stored GET response.
 7+	method := r.Method
 8+	if method == http.MethodHead {
 9+		method = http.MethodGet
10+	}
11+	return subdomain + "__" + method + "__" + r.URL.RequestURI()
12 }
13 
14 type PromCacheMetrics struct {

 1@@ -19,7 +19,13 @@ type CacheKey interface {
 2 type DefaultCacheKey struct{}
 3 
 4 func (p *DefaultCacheKey) GetCacheKey(r *http.Request) string {
 5-	return r.Host + "__" + r.Method + "__" + r.URL.RequestURI()
 6+	// RFC 9111 §3: HEAD responses can be served from a stored GET response.
 7+	// Normalize HEAD to GET so both methods share the same cache entry.
 8+	method := r.Method
 9+	if method == http.MethodHead {
10+		method = http.MethodGet
11+	}
12+	return r.Host + "__" + method + "__" + r.URL.RequestURI()
13 }
14 
15 type CacheMetrics interface {