From cf2c0de6972ac08d6e84f1e19301ee9e4c910651 Mon Sep 17 00:00:00 2001
From: Lorenz Stechauner <lorenz.stechauner@necronda.net>
Date: Thu, 6 May 2021 20:55:44 +0200
Subject: [PATCH] Added Vary header
---
src/client.c | 19 +++++++++++++------
src/lib/compress.h | 1 +
2 files changed, 14 insertions(+), 6 deletions(-)
diff --git a/src/client.c b/src/client.c
index d7fbded..cf62b20 100644
--- a/src/client.c
+++ b/src/client.c
@@ -286,6 +286,9 @@ int client_request_handler(sock *client, unsigned long client_num, unsigned int
enc = COMPRESS_GZ;
}
}
+ if (enc != 0) {
+ http_add_header_field(&res.hdr, "Vary", "Accept-Encoding");
+ }
}
if (uri.meta->etag[0] != 0) {
@@ -421,12 +424,16 @@ int client_request_handler(sock *client, unsigned long client_num, unsigned int
use_fastcgi = 1;
int http_comp = http_get_compression(&req, &res);
- if (http_comp & COMPRESS_BR) {
- use_fastcgi |= FASTCGI_COMPRESS_BR;
- http_add_header_field(&res.hdr, "Content-Encoding", "br");
- } else if (http_comp & COMPRESS_GZ) {
- use_fastcgi |= FASTCGI_COMPRESS_GZ;
- http_add_header_field(&res.hdr, "Content-Encoding", "gzip");
+ if (http_comp & COMPRESS) {
+ if (http_comp & COMPRESS_BR) {
+ use_fastcgi |= FASTCGI_COMPRESS_BR;
+ sprintf(buf0, "br");
+ } else if (http_comp & COMPRESS_GZ) {
+ use_fastcgi |= FASTCGI_COMPRESS_GZ;
+ sprintf(buf0, "gzip");
+ }
+ http_add_header_field(&res.hdr, "Vary", "Accept-Encoding");
+ http_add_header_field(&res.hdr, "Content-Encoding", buf0);
}
if (http_get_header_field(&res.hdr, "Content-Length") == NULL) {
diff --git a/src/lib/compress.h b/src/lib/compress.h
index ebc9abd..3ddcb17 100644
--- a/src/lib/compress.h
+++ b/src/lib/compress.h
@@ -16,6 +16,7 @@
#define COMPRESS_GZ 1
#define COMPRESS_BR 2
+#define COMPRESS 3
typedef struct {
int mode;