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Diffstat (limited to 'vendor/github.com/miekg/dns/vendor/golang.org/x/crypto/openpgp/packet/userattribute.go')
-rw-r--r--vendor/github.com/miekg/dns/vendor/golang.org/x/crypto/openpgp/packet/userattribute.go91
1 files changed, 0 insertions, 91 deletions
diff --git a/vendor/github.com/miekg/dns/vendor/golang.org/x/crypto/openpgp/packet/userattribute.go b/vendor/github.com/miekg/dns/vendor/golang.org/x/crypto/openpgp/packet/userattribute.go
deleted file mode 100644
index 96a2b382a..000000000
--- a/vendor/github.com/miekg/dns/vendor/golang.org/x/crypto/openpgp/packet/userattribute.go
+++ /dev/null
@@ -1,91 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package packet
-
-import (
- "bytes"
- "image"
- "image/jpeg"
- "io"
- "io/ioutil"
-)
-
-const UserAttrImageSubpacket = 1
-
-// UserAttribute is capable of storing other types of data about a user
-// beyond name, email and a text comment. In practice, user attributes are typically used
-// to store a signed thumbnail photo JPEG image of the user.
-// See RFC 4880, section 5.12.
-type UserAttribute struct {
- Contents []*OpaqueSubpacket
-}
-
-// NewUserAttributePhoto creates a user attribute packet
-// containing the given images.
-func NewUserAttributePhoto(photos ...image.Image) (uat *UserAttribute, err error) {
- uat = new(UserAttribute)
- for _, photo := range photos {
- var buf bytes.Buffer
- // RFC 4880, Section 5.12.1.
- data := []byte{
- 0x10, 0x00, // Little-endian image header length (16 bytes)
- 0x01, // Image header version 1
- 0x01, // JPEG
- 0, 0, 0, 0, // 12 reserved octets, must be all zero.
- 0, 0, 0, 0,
- 0, 0, 0, 0}
- if _, err = buf.Write(data); err != nil {
- return
- }
- if err = jpeg.Encode(&buf, photo, nil); err != nil {
- return
- }
- uat.Contents = append(uat.Contents, &OpaqueSubpacket{
- SubType: UserAttrImageSubpacket,
- Contents: buf.Bytes()})
- }
- return
-}
-
-// NewUserAttribute creates a new user attribute packet containing the given subpackets.
-func NewUserAttribute(contents ...*OpaqueSubpacket) *UserAttribute {
- return &UserAttribute{Contents: contents}
-}
-
-func (uat *UserAttribute) parse(r io.Reader) (err error) {
- // RFC 4880, section 5.13
- b, err := ioutil.ReadAll(r)
- if err != nil {
- return
- }
- uat.Contents, err = OpaqueSubpackets(b)
- return
-}
-
-// Serialize marshals the user attribute to w in the form of an OpenPGP packet, including
-// header.
-func (uat *UserAttribute) Serialize(w io.Writer) (err error) {
- var buf bytes.Buffer
- for _, sp := range uat.Contents {
- sp.Serialize(&buf)
- }
- if err = serializeHeader(w, packetTypeUserAttribute, buf.Len()); err != nil {
- return err
- }
- _, err = w.Write(buf.Bytes())
- return
-}
-
-// ImageData returns zero or more byte slices, each containing
-// JPEG File Interchange Format (JFIF), for each photo in the
-// the user attribute packet.
-func (uat *UserAttribute) ImageData() (imageData [][]byte) {
- for _, sp := range uat.Contents {
- if sp.SubType == UserAttrImageSubpacket && len(sp.Contents) > 16 {
- imageData = append(imageData, sp.Contents[16:])
- }
- }
- return
-}