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a94a8d0ab1
`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.
97 lines
2.7 KiB
Go
97 lines
2.7 KiB
Go
// Copyright 2021 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package httpcache
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import (
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"net/http"
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"net/http/httptest"
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"strings"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func countFormalHeaders(h http.Header) (c int) {
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for k := range h {
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// ignore our headers for internal usage
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if strings.HasPrefix(k, "X-Gitea-") {
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continue
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}
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c++
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}
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return c
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}
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func TestHandleGenericETagCache(t *testing.T) {
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etag := `"test"`
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t.Run("No_If-None-Match", func(t *testing.T) {
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req := &http.Request{Header: make(http.Header)}
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w := httptest.NewRecorder()
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handled := HandleGenericETagCache(req, w, etag)
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assert.False(t, handled)
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assert.Equal(t, 2, countFormalHeaders(w.Header()))
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assert.Contains(t, w.Header(), "Cache-Control")
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assert.Contains(t, w.Header(), "Etag")
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assert.Equal(t, etag, w.Header().Get("Etag"))
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})
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t.Run("Wrong_If-None-Match", func(t *testing.T) {
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req := &http.Request{Header: make(http.Header)}
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w := httptest.NewRecorder()
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req.Header.Set("If-None-Match", `"wrong etag"`)
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handled := HandleGenericETagCache(req, w, etag)
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assert.False(t, handled)
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assert.Equal(t, 2, countFormalHeaders(w.Header()))
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assert.Contains(t, w.Header(), "Cache-Control")
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assert.Contains(t, w.Header(), "Etag")
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assert.Equal(t, etag, w.Header().Get("Etag"))
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})
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t.Run("Correct_If-None-Match", func(t *testing.T) {
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req := &http.Request{Header: make(http.Header)}
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w := httptest.NewRecorder()
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req.Header.Set("If-None-Match", etag)
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handled := HandleGenericETagCache(req, w, etag)
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assert.True(t, handled)
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assert.Equal(t, 1, countFormalHeaders(w.Header()))
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assert.Contains(t, w.Header(), "Etag")
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assert.Equal(t, etag, w.Header().Get("Etag"))
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assert.Equal(t, http.StatusNotModified, w.Code)
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})
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t.Run("Multiple_Wrong_If-None-Match", func(t *testing.T) {
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req := &http.Request{Header: make(http.Header)}
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w := httptest.NewRecorder()
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req.Header.Set("If-None-Match", `"wrong etag", "wrong etag "`)
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handled := HandleGenericETagCache(req, w, etag)
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assert.False(t, handled)
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assert.Equal(t, 2, countFormalHeaders(w.Header()))
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assert.Contains(t, w.Header(), "Cache-Control")
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assert.Contains(t, w.Header(), "Etag")
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assert.Equal(t, etag, w.Header().Get("Etag"))
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})
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t.Run("Multiple_Correct_If-None-Match", func(t *testing.T) {
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req := &http.Request{Header: make(http.Header)}
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w := httptest.NewRecorder()
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req.Header.Set("If-None-Match", `"wrong etag", `+etag)
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handled := HandleGenericETagCache(req, w, etag)
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assert.True(t, handled)
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assert.Equal(t, 1, countFormalHeaders(w.Header()))
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assert.Contains(t, w.Header(), "Etag")
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assert.Equal(t, etag, w.Header().Get("Etag"))
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assert.Equal(t, http.StatusNotModified, w.Code)
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})
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}
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