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zip creation: avoid stat if not strictly required

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Signed-off-by: Nicola Murino <nicola.murino@gmail.com>
This commit is contained in:
Nicola Murino
2025-01-02 18:05:47 +01:00
parent a0f781aeef
commit b02b79fe6d
4 changed files with 29 additions and 23 deletions
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17
internal/common/eventmanager.go
View File

@@ -999,7 +999,7 @@ func getFileWriter(conn *BaseConnection, virtualPath string, expectedSize int64)
return w, numFiles, truncatedSize, cancelFn, nil
}
func addZipEntry(wr *zipWriterWrapper, conn *BaseConnection, entryPath, baseDir string, recursion int) error {
func addZipEntry(wr *zipWriterWrapper, conn *BaseConnection, entryPath, baseDir string, info os.FileInfo, recursion int) error { //nolint:gocyclo
if entryPath == wr.Name {
// skip the archive itself
return nil
@@ -1009,10 +1009,13 @@ func addZipEntry(wr *zipWriterWrapper, conn *BaseConnection, entryPath, baseDir
return util.ErrRecursionTooDeep
}
recursion++
info, err := conn.DoStat(entryPath, 1, false)
if err != nil {
eventManagerLog(logger.LevelError, "unable to add zip entry %q, stat error: %v", entryPath, err)
return err
var err error
if info == nil {
info, err = conn.DoStat(entryPath, 1, false)
if err != nil {
eventManagerLog(logger.LevelError, "unable to add zip entry %q, stat error: %v", entryPath, err)
return err
}
}
entryName, err := getZipEntryName(entryPath, baseDir)
if err != nil {
@@ -1050,7 +1053,7 @@ func addZipEntry(wr *zipWriterWrapper, conn *BaseConnection, entryPath, baseDir
}
for _, info := range contents {
fullPath := util.CleanPath(path.Join(entryPath, info.Name()))
if err := addZipEntry(wr, conn, fullPath, baseDir, recursion); err != nil {
if err := addZipEntry(wr, conn, fullPath, baseDir, info, recursion); err != nil {
eventManagerLog(logger.LevelError, "unable to add zip entry: %v", err)
return err
}
@@ -2042,7 +2045,7 @@ func executeCompressFsActionForUser(c dataprovider.EventActionFsCompress, replac
}
startTime := time.Now()
for _, item := range paths {
if err := addZipEntry(zipWriter, conn, item, baseDir, 0); err != nil {
if err := addZipEntry(zipWriter, conn, item, baseDir, nil, 0); err != nil {
closeWriterAndUpdateQuota(writer, conn, name, "", numFiles, truncatedSize, err, operationUpload, startTime) //nolint:errcheck
return err
}

4
internal/common/eventmanager_test.go
View File

@@ -1823,7 +1823,7 @@ func TestFilesystemActionErrors(t *testing.T) {
Writer: zip.NewWriter(bytes.NewBuffer(nil)),
Entries: map[string]bool{},
}
err = addZipEntry(wr, conn, "/adir/sub/f.dat", "/adir/sub/sub", 0)
err = addZipEntry(wr, conn, "/adir/sub/f.dat", "/adir/sub/sub", nil, 0)
assert.Error(t, err)
assert.Contains(t, getErrorString(err), "is outside base dir")
}
@@ -1833,7 +1833,7 @@ func TestFilesystemActionErrors(t *testing.T) {
Writer: zip.NewWriter(bytes.NewBuffer(nil)),
Entries: map[string]bool{},
}
err = addZipEntry(wr, conn, "/p1", "/", 2000)
err = addZipEntry(wr, conn, "/p1", "/", nil, 2000)
assert.ErrorIs(t, err, util.ErrRecursionTooDeep)
err = dataprovider.DeleteUser(username, "", "", "")