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78 lines
1.9 KiB
Go
78 lines
1.9 KiB
Go
// Copyright (c) 2015-2022 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package main
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import (
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"errors"
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"fmt"
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"io"
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"os"
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"github.com/minio/madmin-go/v2/estream"
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)
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func extractInspectV2(pk []byte, r io.Reader, w io.Writer) error {
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privKey, err := bytesToPrivateKey(pk)
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if err != nil {
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return fmt.Errorf("decoding key returned: %w", err)
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}
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sr, err := estream.NewReader(r)
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if err != nil {
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return err
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}
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sr.SetPrivateKey(privKey)
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sr.ReturnNonDecryptable(true)
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// Debug corrupted streams.
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if false {
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sr.SkipEncrypted(true)
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return sr.DebugStream(os.Stdout)
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}
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for {
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stream, err := sr.NextStream()
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if err != nil {
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if err == io.EOF {
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return errors.New("no data found on stream")
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}
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if errors.Is(err, estream.ErrNoKey) {
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if stream.Name == "inspect.zip" {
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return errors.New("incorrect private key")
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}
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if err := stream.Skip(); err != nil {
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return fmt.Errorf("stream skip: %w", err)
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}
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continue
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}
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return fmt.Errorf("next stream: %w", err)
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}
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if stream.Name == "inspect.zip" {
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_, err := io.Copy(w, stream)
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if err != nil {
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return fmt.Errorf("reading inspect stream: %w", err)
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}
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return nil
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}
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if err := stream.Skip(); err != nil {
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return fmt.Errorf("stream skip: %w", err)
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}
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}
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}
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