http2: add a few other common headers to the shared headermap cache
This change adds additional common CORS headers and two de-facto
standard and common X- headers to the shared headermap cache to cut down
on allocations from lower-casing/canonicalization.
Change-Id: I61121925b0b28414ed6ce07190155662b0444f93
Reviewed-on: https://go-review.googlesource.com/c/net/+/442176
Auto-Submit: Damien Neil <dneil@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Damien Neil <dneil@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
diff --git a/http2/headermap.go b/http2/headermap.go
index 9e12941..aca1646 100644
--- a/http2/headermap.go
+++ b/http2/headermap.go
@@ -27,7 +27,14 @@
"accept-language",
"accept-ranges",
"age",
+ "access-control-allow-credentials",
+ "access-control-allow-headers",
+ "access-control-allow-methods",
"access-control-allow-origin",
+ "access-control-expose-headers",
+ "access-control-max-age",
+ "access-control-request-headers",
+ "access-control-request-method",
"allow",
"authorization",
"cache-control",
@@ -53,6 +60,7 @@
"link",
"location",
"max-forwards",
+ "origin",
"proxy-authenticate",
"proxy-authorization",
"range",
@@ -68,6 +76,8 @@
"vary",
"via",
"www-authenticate",
+ "x-forwarded-for",
+ "x-forwarded-proto",
}
commonLowerHeader = make(map[string]string, len(common))
commonCanonHeader = make(map[string]string, len(common))
