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cmd/serve/restic: add append-only mode

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This commit is contained in:
Steve Kriss 2018-03-29 11:24:41 -07:00 committed by Nick Craig-Wood
parent a8267d1628
commit 2c2bb0f750
1 changed files with 13 additions and 1 deletions
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12
cmd/serve/restic/restic.go
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@ -31,11 +31,13 @@ import (
var (
stdio bool
appendOnly bool
)
func init() {
httpflags.AddFlags(Command.Flags())
Command.Flags().BoolVar(&stdio, "stdio", false, "run an HTTP2 server on stdin/stdout")
Command.Flags().BoolVar(&appendOnly, "append-only", false, "disallow deletion of repository data")
}
// Command definition for cobra
@ -355,6 +357,16 @@ func (s *server) postObject(w http.ResponseWriter, r *http.Request, remote strin
// delete the remote
func (s *server) deleteObject(w http.ResponseWriter, r *http.Request, remote string) {
if appendOnly {
parts := strings.Split(r.URL.Path, "/")
// if path doesn't end in "/locks/:name", disallow the operation
if len(parts) < 2 || parts[len(parts)-2] != "locks" {
http.Error(w, http.StatusText(http.StatusForbidden), http.StatusForbidden)
return
}
}
o, err := s.f.NewObject(remote)
if err != nil {
fs.Debugf(remote, "Delete request error: %v", err)