gitea/routers/web/base.go
Lunny Xiao fb7b743bd0
Azure blob storage support (#30995)
This PR implemented object storages(LFS/Packages/Attachments and etc.)
for Azure Blob Storage. It depends on azure official golang SDK and can
support both the azure blob storage cloud service and azurite mock
server.

Replace #25458
Fix #22527 

- [x] CI Tests
- [x] integration test, MSSQL integration tests will now based on
azureblob
  - [x] unit test 
- [x] CLI Migrate Storage
- [x] Documentation for configuration added

------

TODO (other PRs):
- [ ] Improve performance of `blob download`.

---------

Co-authored-by: yp05327 <576951401@qq.com>
2024-05-30 07:33:50 +00:00

99 lines
3.1 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) http.HandlerFunc {
prefix = strings.Trim(prefix, "/")
funcInfo := routing.GetFuncInfo(storageHandler, prefix)
if storageSetting.ServeDirect() {
return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
if req.Method != "GET" && req.Method != "HEAD" {
http.Error(w, http.StatusText(http.StatusMethodNotAllowed), http.StatusMethodNotAllowed)
return
}
if !strings.HasPrefix(req.URL.Path, "/"+prefix+"/") {
http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
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, http.StatusText(http.StatusNotFound), 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" {
http.Error(w, http.StatusText(http.StatusMethodNotAllowed), http.StatusMethodNotAllowed)
return
}
if !strings.HasPrefix(req.URL.Path, "/"+prefix+"/") {
http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
return
}
routing.UpdateFuncInfo(req.Context(), funcInfo)
rPath := strings.TrimPrefix(req.URL.Path, "/"+prefix+"/")
rPath = util.PathJoinRelX(rPath)
if rPath == "" || rPath == "." {
http.Error(w, http.StatusText(http.StatusNotFound), 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, http.StatusText(http.StatusNotFound), 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)
})
}