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forgejo/routers/web/base.go
Giteabot 21cd5c2f3d
Fix all possible setting error related storages and added some tests (#23911) (#25244)
Backport #23911 by @lunny

Follow up #22405

Fix #20703 

This PR rewrites storage configuration read sequences with some breaks
and tests. It becomes more strict than before and also fixed some
inherit problems.

- Move storage's MinioConfig struct into setting, so after the
configuration loading, the values will be stored into the struct but not
still on some section.
- All storages configurations should be stored on one section,
configuration items cannot be overrided by multiple sections. The
prioioty of configuration is `[attachment]` > `[storage.attachments]` |
`[storage.customized]` > `[storage]` > `default`
- For extra override configuration items, currently are `SERVE_DIRECT`,
`MINIO_BASE_PATH`, `MINIO_BUCKET`, which could be configured in another
section. The prioioty of the override configuration is `[attachment]` >
`[storage.attachments]` > `default`.
- Add more tests for storages configurations.
- Update the storage documentations.

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
2023-06-14 08:36:52 +02:00

100 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.MinioConfig.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)
})
}
}