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https://github.com/golang/go
synced 2024-11-21 22:44:40 -07:00
http: let FileServer work when path doesn't begin with a slash
... as when it's over-stripped with StripPrefix. R=golang-dev, andybalholm, rsc CC=golang-dev https://golang.org/cl/4759052
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@ -242,7 +242,12 @@ func FileServer(root FileSystem) Handler {
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}
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func (f *fileHandler) ServeHTTP(w ResponseWriter, r *Request) {
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serveFile(w, r, f.root, path.Clean(r.URL.Path), true)
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upath := r.URL.Path
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if !strings.HasPrefix(upath, "/") {
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upath = "/" + upath
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r.URL.Path = upath
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}
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serveFile(w, r, f.root, path.Clean(upath), true)
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}
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// httpRange specifies the byte range to be sent to the client.
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@ -10,6 +10,8 @@ import (
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"http/httptest"
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"io/ioutil"
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"os"
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"path/filepath"
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"strings"
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"testing"
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)
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@ -117,6 +119,36 @@ func TestFileServerCleans(t *testing.T) {
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}
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}
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func TestFileServerImplicitLeadingSlash(t *testing.T) {
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tempDir, err := ioutil.TempDir("", "")
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if err != nil {
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t.Fatalf("TempDir: %v", err)
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}
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defer os.RemoveAll(tempDir)
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if err := ioutil.WriteFile(filepath.Join(tempDir, "foo.txt"), []byte("Hello world"), 0644); err != nil {
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t.Fatalf("WriteFile: %v", err)
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}
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ts := httptest.NewServer(StripPrefix("/bar/", FileServer(Dir(tempDir))))
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defer ts.Close()
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get := func(suffix string) string {
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res, err := Get(ts.URL + suffix)
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if err != nil {
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t.Fatalf("Get %s: %v", suffix, err)
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}
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b, err := ioutil.ReadAll(res.Body)
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if err != nil {
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t.Fatalf("ReadAll %s: %v", suffix, err)
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}
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return string(b)
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}
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if s := get("/bar/"); !strings.Contains(s, ">foo.txt<") {
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t.Logf("expected a directory listing with foo.txt, got %q", s)
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}
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if s := get("/bar/foo.txt"); s != "Hello world" {
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t.Logf("expected %q, got %q", "Hello world", s)
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}
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}
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func TestDirJoin(t *testing.T) {
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wfi, err := os.Stat("/etc/hosts")
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if err != nil {
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