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authorwxiaoguang <wxiaoguang@gmail.com>2022-01-23 20:19:49 +0800
committerGitHub <noreply@github.com>2022-01-23 20:19:49 +0800
commit87141b908d4a03ce27af3ce042dc417da925b84f (patch)
treee4a5bd11db5ef425fd025971cf21bfc3a587968f /modules/public/serve_static.go
parent35fdefc1ff253522f101ffb1337437b59676c302 (diff)
downloadgitea-87141b908d4a03ce27af3ce042dc417da925b84f.tar.gz
gitea-87141b908d4a03ce27af3ce042dc417da925b84f.zip
Fix mime-type detection for HTTP server (#18370)
Bypass the unstable behavior of Golang's mime.TypeByExtension
Diffstat (limited to 'modules/public/serve_static.go')
-rw-r--r--modules/public/serve_static.go82
1 files changed, 82 insertions, 0 deletions
diff --git a/modules/public/serve_static.go b/modules/public/serve_static.go
new file mode 100644
index 0000000000..8e82175e39
--- /dev/null
+++ b/modules/public/serve_static.go
@@ -0,0 +1,82 @@
+// Copyright 2016 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+//go:build bindata
+// +build bindata
+
+package public
+
+import (
+ "bytes"
+ "io"
+ "net/http"
+ "os"
+ "path/filepath"
+ "time"
+
+ "code.gitea.io/gitea/modules/timeutil"
+)
+
+// GlobalModTime provide a global mod time for embedded asset files
+func GlobalModTime(filename string) time.Time {
+ return timeutil.GetExecutableModTime()
+}
+
+func fileSystem(dir string) http.FileSystem {
+ return Assets
+}
+
+func Asset(name string) ([]byte, error) {
+ f, err := Assets.Open("/" + name)
+ if err != nil {
+ return nil, err
+ }
+ defer f.Close()
+ return io.ReadAll(f)
+}
+
+func AssetNames() []string {
+ realFS := Assets.(vfsgen۰FS)
+ results := make([]string, 0, len(realFS))
+ for k := range realFS {
+ results = append(results, k[1:])
+ }
+ return results
+}
+
+func AssetIsDir(name string) (bool, error) {
+ if f, err := Assets.Open("/" + name); err != nil {
+ return false, err
+ } else {
+ defer f.Close()
+ if fi, err := f.Stat(); err != nil {
+ return false, err
+ } else {
+ return fi.IsDir(), nil
+ }
+ }
+}
+
+// serveContent serve http content
+func serveContent(w http.ResponseWriter, req *http.Request, fi os.FileInfo, modtime time.Time, content io.ReadSeeker) {
+ encodings := parseAcceptEncoding(req.Header.Get("Accept-Encoding"))
+ if encodings["gzip"] {
+ if cf, ok := fi.(*vfsgen۰CompressedFileInfo); ok {
+ rdGzip := bytes.NewReader(cf.GzipBytes())
+ // all static files are managed by Gitea, so we can make sure every file has the correct ext name
+ // then we can get the correct Content-Type, we do not need to do http.DetectContentType on the decompressed data
+ mimeType := detectWellKnownMimeType(filepath.Ext(fi.Name()))
+ if mimeType == "" {
+ mimeType = "application/octet-stream"
+ }
+ w.Header().Set("Content-Type", mimeType)
+ w.Header().Set("Content-Encoding", "gzip")
+ http.ServeContent(w, req, fi.Name(), modtime, rdGzip)
+ return
+ }
+ }
+
+ http.ServeContent(w, req, fi.Name(), modtime, content)
+ return
+}