Brian Gitonga Marete
d43a35d821
Tested using a variety of files encrypted with gpg and the "--compress-algo BZIP2" gpg option. R=golang-dev, bradfitz, agl CC=golang-dev https://golang.org/cl/10801043
42 lines
884 B
Go
42 lines
884 B
Go
// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package packet
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import (
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"code.google.com/p/go.crypto/openpgp/errors"
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"compress/bzip2"
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"compress/flate"
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"compress/zlib"
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"io"
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"strconv"
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)
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// Compressed represents a compressed OpenPGP packet. The decompressed contents
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// will contain more OpenPGP packets. See RFC 4880, section 5.6.
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type Compressed struct {
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Body io.Reader
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}
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func (c *Compressed) parse(r io.Reader) error {
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var buf [1]byte
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_, err := readFull(r, buf[:])
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if err != nil {
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return err
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}
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switch buf[0] {
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case 1:
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c.Body = flate.NewReader(r)
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case 2:
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c.Body, err = zlib.NewReader(r)
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case 3:
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c.Body = bzip2.NewReader(r)
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default:
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err = errors.UnsupportedError("unknown compression algorithm: " + strconv.Itoa(int(buf[0])))
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}
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return err
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}
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