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Add Content-Length header to preflight response

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Landry Benguigui 2025-04-16 15:00:05 +02:00 committed by GitHub
parent e3caaf0791
commit 545f2feacc
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2 changed files with 6 additions and 0 deletions
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1
pkg/middlewares/headers/header.go
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@ -53,6 +53,7 @@ func NewHeader(next http.Handler, cfg dynamic.Headers) (*Header, error) {
func (s *Header) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
// Handle Cors headers and preflight if configured.
if isPreflight := s.processCorsHeaders(rw, req); isPreflight {
rw.Header().Set("Content-Length", "0")
rw.WriteHeader(http.StatusOK)
return
}

5
pkg/middlewares/headers/header_test.go
View File

@ -134,6 +134,7 @@ func TestNewHeader_CORSPreflights(t *testing.T) {
"Origin": {"https://foo.bar.org"},
},
expected: map[string][]string{
"Content-Length": {"0"},
"Access-Control-Allow-Origin": {"https://foo.bar.org"},
"Access-Control-Max-Age": {"600"},
"Access-Control-Allow-Methods": {"GET,OPTIONS,PUT"},
@ -152,6 +153,7 @@ func TestNewHeader_CORSPreflights(t *testing.T) {
"Origin": {"https://foo.bar.org"},
},
expected: map[string][]string{
"Content-Length": {"0"},
"Access-Control-Allow-Origin": {"*"},
"Access-Control-Max-Age": {"600"},
"Access-Control-Allow-Methods": {"GET,OPTIONS,PUT"},
@ -171,6 +173,7 @@ func TestNewHeader_CORSPreflights(t *testing.T) {
"Origin": {"https://foo.bar.org"},
},
expected: map[string][]string{
"Content-Length": {"0"},
"Access-Control-Allow-Origin": {"*"},
"Access-Control-Max-Age": {"600"},
"Access-Control-Allow-Methods": {"GET,OPTIONS,PUT"},
@ -191,6 +194,7 @@ func TestNewHeader_CORSPreflights(t *testing.T) {
"Origin": {"https://foo.bar.org"},
},
expected: map[string][]string{
"Content-Length": {"0"},
"Access-Control-Allow-Origin": {"*"},
"Access-Control-Max-Age": {"600"},
"Access-Control-Allow-Methods": {"GET,OPTIONS,PUT"},
@ -210,6 +214,7 @@ func TestNewHeader_CORSPreflights(t *testing.T) {
"Origin": {"https://foo.bar.org"},
},
expected: map[string][]string{
"Content-Length": {"0"},
"Access-Control-Allow-Origin": {"*"},
"Access-Control-Max-Age": {"600"},
"Access-Control-Allow-Methods": {"GET,OPTIONS,PUT"},