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filter: Add header fields and constants for HTTP Caching Filter #868 #9865

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toddmgreer wants to merge 2 commits into from
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filter: Add header fields and constants for HTTP Caching Filter #868 #9865

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38ac41c
Add 'age' and 'expires' inline headers to support HTTP caching (#868).
toddmgreer May 16, 2019
dcd572d
Add "private" to CacheControlValues.
toddmgreer Jan 29, 2020
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2 changes: 2 additions & 0 deletions include/envoy/http/header_map.h
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Original file line number Diff line number Diff line change
Expand Up @@ -269,6 +269,7 @@ class HeaderEntry {
HEADER_FUNC(AccessControlAllowCredentials) \
HEADER_FUNC(AccessControlExposeHeaders) \
HEADER_FUNC(AccessControlMaxAge) \
HEADER_FUNC(Age) \
HEADER_FUNC(Authorization) \
HEADER_FUNC(CacheControl) \
HEADER_FUNC(ClientTraceId) \
Expand Down Expand Up @@ -307,6 +308,7 @@ class HeaderEntry {
HEADER_FUNC(EnvoyUpstreamServiceTime) \
HEADER_FUNC(Etag) \
HEADER_FUNC(Expect) \
HEADER_FUNC(Expires) \
HEADER_FUNC(ForwardedClientCert) \
HEADER_FUNC(ForwardedFor) \
HEADER_FUNC(ForwardedProto) \
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3 changes: 3 additions & 0 deletions source/common/http/headers.h
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Expand Up @@ -59,6 +59,7 @@ class HeaderValues {
const LowerCaseString AccessControlExposeHeaders{"access-control-expose-headers"};
const LowerCaseString AccessControlMaxAge{"access-control-max-age"};
const LowerCaseString AccessControlAllowCredentials{"access-control-allow-credentials"};
const LowerCaseString Age{"age"};
const LowerCaseString Authorization{"authorization"};
const LowerCaseString ProxyAuthenticate{"proxy-authenticate"};
const LowerCaseString ProxyAuthorization{"proxy-authorization"};
Expand Down Expand Up @@ -117,6 +118,7 @@ class HeaderValues {
const LowerCaseString EnvoyDecoratorOperation{absl::StrCat(prefix(), "-decorator-operation")};
const LowerCaseString Etag{"etag"};
const LowerCaseString Expect{"expect"};
const LowerCaseString Expires{"expires"};
const LowerCaseString ForwardedClientCert{"x-forwarded-client-cert"};
const LowerCaseString ForwardedFor{"x-forwarded-for"};
const LowerCaseString ForwardedHost{"x-forwarded-host"};
Expand Down Expand Up @@ -171,6 +173,7 @@ class HeaderValues {
const std::string NoCache{"no-cache"};
const std::string NoCacheMaxAge0{"no-cache, max-age=0"};
const std::string NoTransform{"no-transform"};
const std::string Private{"private"};
} CacheControlValues;

struct {
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