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http3: add Date response header if not set (#3952)

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* automatically add date header if not already set

* improve comment for Date header

---------

Co-authored-by: Marten Seemann <martenseemann@gmail.com>
This commit is contained in:
WeidiDeng 2023-07-13 01:30:33 +08:00 • committed by GitHub
parent f97c9bf88c
commit 2c4371b6a9
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 12 additions and 3 deletions
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6
http3/response_writer.go
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@ -55,6 +55,12 @@ func (w *responseWriter) WriteHeader(status int) {
if status < 100 || status >= 200 {
w.headerWritten = true
// Add Date header.
// This is what the standard library does.
// Can be disabled by setting the Date header to nil.
if _, ok := w.header["Date"]; !ok {
w.header.Set("Date", time.Now().UTC().Format(http.TimeFormat))
}
}
w.status = status

9
http3/response_writer_test.go
View file

@ -65,8 +65,9 @@ var _ = Describe("Response Writer", func() {
It("writes status", func() {
rw.WriteHeader(http.StatusTeapot)
fields := decodeHeader(strBuf)
Expect(fields).To(HaveLen(1))
Expect(fields).To(HaveLen(2))
Expect(fields).To(HaveKeyWithValue(":status", []string{"418"}))
Expect(fields).To(HaveKey("date"))
})
It("writes headers", func() {
@ -116,8 +117,9 @@ var _ = Describe("Response Writer", func() {
rw.WriteHeader(http.StatusOK)
rw.WriteHeader(http.StatusInternalServerError)
fields := decodeHeader(strBuf)
Expect(fields).To(HaveLen(1))
Expect(fields).To(HaveLen(2))
Expect(fields).To(HaveKeyWithValue(":status", []string{"200"}))
Expect(fields).To(HaveKey("date"))
})
It("allows calling WriteHeader() several times when using the 103 status code", func() {
@ -137,8 +139,9 @@ var _ = Describe("Response Writer", func() {
// According to the spec, headers sent in the informational response must also be included in the final response
fields = decodeHeader(strBuf)
Expect(fields).To(HaveLen(2))
Expect(fields).To(HaveLen(3))
Expect(fields).To(HaveKeyWithValue(":status", []string{"200"}))
Expect(fields).To(HaveKey("date"))
Expect(fields).To(HaveKeyWithValue("link", []string{"</style.css>; rel=preload; as=style", "</script.js>; rel=preload; as=script"}))
Expect(getData(strBuf)).To(Equal([]byte("foobar")))