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Code Releases Activity

Clean paths when looking in Storage (#19124) (#19179)

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Backport #19124

* Clean paths when looking in Storage

Ensure paths are clean for minio aswell as local storage.

Use url.Path not RequestURI/EscapedPath in storageHandler.

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Apply suggestions from code review

Co-authored-by: Lauris BH <lauris@nix.lv>
This commit is contained in:
zeripath
2022-03-23 09:23:00 +00:00
committed by GitHub
parent 743553f3e9
commit d21b7fd3af
4 changed files with 46 additions and 56 deletions
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32
routers/web/base.go
View File

@@ -11,7 +11,6 @@ import (
"net/http"
"os"
"path"
"path/filepath"
"strings"
"code.gitea.io/gitea/modules/context"
@@ -27,6 +26,8 @@ import (
)
func storageHandler(storageSetting setting.Storage, prefix string, objStore storage.ObjectStorage) func(next http.Handler) http.Handler {
prefix = strings.Trim(prefix, "/")
return func(next http.Handler) http.Handler {
if storageSetting.ServeDirect {
return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
@@ -35,12 +36,14 @@ func storageHandler(storageSetting setting.Storage, prefix string, objStore stor
return
}
if !strings.HasPrefix(req.URL.RequestURI(), "/"+prefix) {
if !strings.HasPrefix(req.URL.Path, "/"+prefix+"/") {
next.ServeHTTP(w, req)
return
}
rPath := strings.TrimPrefix(req.URL.RequestURI(), "/"+prefix)
rPath := strings.TrimPrefix(req.URL.Path, "/"+prefix+"/")
rPath = path.Clean("/" + strings.ReplaceAll(rPath, "\\", "/"))[1:]
u, err := objStore.URL(rPath, path.Base(rPath))
if err != nil {
if os.IsNotExist(err) || errors.Is(err, os.ErrNotExist) {
@@ -52,11 +55,12 @@ func storageHandler(storageSetting setting.Storage, prefix string, objStore stor
http.Error(w, fmt.Sprintf("Error whilst getting URL for %s %s", prefix, rPath), 500)
return
}
http.Redirect(
w,
req,
u.String(),
301,
http.StatusMovedPermanently,
)
})
}
@@ -67,28 +71,24 @@ func storageHandler(storageSetting setting.Storage, prefix string, objStore stor
return
}
prefix := strings.Trim(prefix, "/")
if !strings.HasPrefix(req.URL.EscapedPath(), "/"+prefix+"/") {
if !strings.HasPrefix(req.URL.Path, "/"+prefix+"/") {
next.ServeHTTP(w, req)
return
}
rPath := strings.TrimPrefix(req.URL.EscapedPath(), "/"+prefix+"/")
rPath = strings.TrimPrefix(rPath, "/")
rPath := strings.TrimPrefix(req.URL.Path, "/"+prefix+"/")
rPath = path.Clean("/" + strings.ReplaceAll(rPath, "\\", "/"))[1:]
if rPath == "" {
http.Error(w, "file not found", 404)
return
}
rPath = path.Clean("/" + filepath.ToSlash(rPath))
rPath = rPath[1:]
fi, err := objStore.Stat(rPath)
if err == nil && httpcache.HandleTimeCache(req, w, fi) {
return
}
//If we have matched and access to release or issue
// If we have matched and access to release or issue
fr, err := objStore.Open(rPath)
if err != nil {
if os.IsNotExist(err) || errors.Is(err, os.ErrNotExist) {
@@ -121,7 +121,7 @@ func (d *dataStore) GetData() map[string]interface{} {
// Recovery returns a middleware that recovers from any panics and writes a 500 and a log if so.
// This error will be created with the gitea 500 page.
func Recovery() func(next http.Handler) http.Handler {
var rnd = templates.HTMLRenderer()
rnd := templates.HTMLRenderer()
return func(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
defer func() {
@@ -131,14 +131,14 @@ func Recovery() func(next http.Handler) http.Handler {
sessionStore := session.GetSession(req)
var lc = middleware.Locale(w, req)
var store = dataStore{
lc := middleware.Locale(w, req)
store := dataStore{
"Language": lc.Language(),
"CurrentURL": setting.AppSubURL + req.URL.RequestURI(),
"i18n": lc,
}
var user = context.GetContextUser(req)
user := context.GetContextUser(req)
if user == nil {
// Get user from session if logged in - do not attempt to sign-in
user = auth.SessionUser(sessionStore)