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Use standard HTTP library to serve files (#24693)

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`http.ServeFile/ServeContent` handles `If-xxx`, `Content-Length`,
`Range` and `Etag` correctly

After this PR, storage files (eg: avatar) could be responded with
correct Content-Length.
This commit is contained in:
wxiaoguang 2023-05-13 22:04:57 +08:00 • committed by GitHub
parent f745016092
commit a94a8d0ab1
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8 changed files with 22 additions and 157 deletions
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57
modules/httpcache/httpcache_test.go
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@ -6,23 +6,12 @@ package httpcache
import (
"net/http"
"net/http/httptest"
"os"
"strings"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
type mockFileInfo struct{}
func (m mockFileInfo) Name() string { return "gitea.test" }
func (m mockFileInfo) Size() int64 { return int64(10) }
func (m mockFileInfo) Mode() os.FileMode { return os.ModePerm }
func (m mockFileInfo) ModTime() time.Time { return time.Time{} }
func (m mockFileInfo) IsDir() bool { return false }
func (m mockFileInfo) Sys() interface{} { return nil }
func countFormalHeaders(h http.Header) (c int) {
for k := range h {
// ignore our headers for internal usage
@ -34,52 +23,6 @@ func countFormalHeaders(h http.Header) (c int) {
return c
}
func TestHandleFileETagCache(t *testing.T) {
fi := mockFileInfo{}
etag := `"MTBnaXRlYS50ZXN0TW9uLCAwMSBKYW4gMDAwMSAwMDowMDowMCBHTVQ="`
t.Run("No_If-None-Match", func(t *testing.T) {
req := &http.Request{Header: make(http.Header)}
w := httptest.NewRecorder()
handled := HandleFileETagCache(req, w, fi)
assert.False(t, handled)
assert.Equal(t, 2, countFormalHeaders(w.Header()))
assert.Contains(t, w.Header(), "Cache-Control")
assert.Contains(t, w.Header(), "Etag")
assert.Equal(t, etag, w.Header().Get("Etag"))
})
t.Run("Wrong_If-None-Match", func(t *testing.T) {
req := &http.Request{Header: make(http.Header)}
w := httptest.NewRecorder()
req.Header.Set("If-None-Match", `"wrong etag"`)
handled := HandleFileETagCache(req, w, fi)
assert.False(t, handled)
assert.Equal(t, 2, countFormalHeaders(w.Header()))
assert.Contains(t, w.Header(), "Cache-Control")
assert.Contains(t, w.Header(), "Etag")
assert.Equal(t, etag, w.Header().Get("Etag"))
})
t.Run("Correct_If-None-Match", func(t *testing.T) {
req := &http.Request{Header: make(http.Header)}
w := httptest.NewRecorder()
req.Header.Set("If-None-Match", etag)
handled := HandleFileETagCache(req, w, fi)
assert.True(t, handled)
assert.Equal(t, 1, countFormalHeaders(w.Header()))
assert.Contains(t, w.Header(), "Etag")
assert.Equal(t, etag, w.Header().Get("Etag"))
assert.Equal(t, http.StatusNotModified, w.Code)
})
}
func TestHandleGenericETagCache(t *testing.T) {
etag := `"test"`