mirror of
https://github.com/go-gitea/gitea
synced 2024-11-25 07:42:47 +01:00
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.
99 lines
3 KiB
Go
99 lines
3 KiB
Go
// Copyright 2020 The Gitea Authors. All rights reserved.
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
package web
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"net/http"
|
|
"os"
|
|
"path"
|
|
"strings"
|
|
|
|
"code.gitea.io/gitea/modules/httpcache"
|
|
"code.gitea.io/gitea/modules/log"
|
|
"code.gitea.io/gitea/modules/setting"
|
|
"code.gitea.io/gitea/modules/storage"
|
|
"code.gitea.io/gitea/modules/util"
|
|
"code.gitea.io/gitea/modules/web/routing"
|
|
)
|
|
|
|
func storageHandler(storageSetting setting.Storage, prefix string, objStore storage.ObjectStorage) func(next http.Handler) http.Handler {
|
|
prefix = strings.Trim(prefix, "/")
|
|
funcInfo := routing.GetFuncInfo(storageHandler, prefix)
|
|
return func(next http.Handler) http.Handler {
|
|
if storageSetting.ServeDirect {
|
|
return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
|
|
if req.Method != "GET" && req.Method != "HEAD" {
|
|
next.ServeHTTP(w, req)
|
|
return
|
|
}
|
|
|
|
if !strings.HasPrefix(req.URL.Path, "/"+prefix+"/") {
|
|
next.ServeHTTP(w, req)
|
|
return
|
|
}
|
|
routing.UpdateFuncInfo(req.Context(), funcInfo)
|
|
|
|
rPath := strings.TrimPrefix(req.URL.Path, "/"+prefix+"/")
|
|
rPath = util.PathJoinRelX(rPath)
|
|
|
|
u, err := objStore.URL(rPath, path.Base(rPath))
|
|
if err != nil {
|
|
if os.IsNotExist(err) || errors.Is(err, os.ErrNotExist) {
|
|
log.Warn("Unable to find %s %s", prefix, rPath)
|
|
http.Error(w, "file not found", http.StatusNotFound)
|
|
return
|
|
}
|
|
log.Error("Error whilst getting URL for %s %s. Error: %v", prefix, rPath, err)
|
|
http.Error(w, fmt.Sprintf("Error whilst getting URL for %s %s", prefix, rPath), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
http.Redirect(w, req, u.String(), http.StatusTemporaryRedirect)
|
|
})
|
|
}
|
|
|
|
return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
|
|
if req.Method != "GET" && req.Method != "HEAD" {
|
|
next.ServeHTTP(w, req)
|
|
return
|
|
}
|
|
|
|
if !strings.HasPrefix(req.URL.Path, "/"+prefix+"/") {
|
|
next.ServeHTTP(w, req)
|
|
return
|
|
}
|
|
routing.UpdateFuncInfo(req.Context(), funcInfo)
|
|
|
|
rPath := strings.TrimPrefix(req.URL.Path, "/"+prefix+"/")
|
|
rPath = util.PathJoinRelX(rPath)
|
|
if rPath == "" || rPath == "." {
|
|
http.Error(w, "file not found", http.StatusNotFound)
|
|
return
|
|
}
|
|
|
|
fi, err := objStore.Stat(rPath)
|
|
if err != nil {
|
|
if os.IsNotExist(err) || errors.Is(err, os.ErrNotExist) {
|
|
log.Warn("Unable to find %s %s", prefix, rPath)
|
|
http.Error(w, "file not found", http.StatusNotFound)
|
|
return
|
|
}
|
|
log.Error("Error whilst opening %s %s. Error: %v", prefix, rPath, err)
|
|
http.Error(w, fmt.Sprintf("Error whilst opening %s %s", prefix, rPath), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
fr, err := objStore.Open(rPath)
|
|
if err != nil {
|
|
log.Error("Error whilst opening %s %s. Error: %v", prefix, rPath, err)
|
|
http.Error(w, fmt.Sprintf("Error whilst opening %s %s", prefix, rPath), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
defer fr.Close()
|
|
httpcache.ServeContentWithCacheControl(w, req, path.Base(rPath), fi.ModTime(), fr)
|
|
})
|
|
}
|
|
}
|