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authorLibravatar Rutger Broekhoff2024-01-02 18:56:31 +0100
committerLibravatar Rutger Broekhoff2024-01-02 18:56:31 +0100
commit8db41da676ac8368ef7c2549d56239a5ff5eedde (patch)
tree09c427fd66de2ec1ebffc8342f5fdbb84b0701b5 /vendor/github.com/google/uuid/dce.go
parentd4f75fb6db22e57577867445a022227e70958931 (diff)
downloadgitolfs3-8db41da676ac8368ef7c2549d56239a5ff5eedde.tar.gz
gitolfs3-8db41da676ac8368ef7c2549d56239a5ff5eedde.zip
Delete vendor directory
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diff --git a/vendor/github.com/google/uuid/dce.go b/vendor/github.com/google/uuid/dce.go
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1// Copyright 2016 Google Inc. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5package uuid
6
7import (
8 "encoding/binary"
9 "fmt"
10 "os"
11)
12
13// A Domain represents a Version 2 domain
14type Domain byte
15
16// Domain constants for DCE Security (Version 2) UUIDs.
17const (
18 Person = Domain(0)
19 Group = Domain(1)
20 Org = Domain(2)
21)
22
23// NewDCESecurity returns a DCE Security (Version 2) UUID.
24//
25// The domain should be one of Person, Group or Org.
26// On a POSIX system the id should be the users UID for the Person
27// domain and the users GID for the Group. The meaning of id for
28// the domain Org or on non-POSIX systems is site defined.
29//
30// For a given domain/id pair the same token may be returned for up to
31// 7 minutes and 10 seconds.
32func NewDCESecurity(domain Domain, id uint32) (UUID, error) {
33 uuid, err := NewUUID()
34 if err == nil {
35 uuid[6] = (uuid[6] & 0x0f) | 0x20 // Version 2
36 uuid[9] = byte(domain)
37 binary.BigEndian.PutUint32(uuid[0:], id)
38 }
39 return uuid, err
40}
41
42// NewDCEPerson returns a DCE Security (Version 2) UUID in the person
43// domain with the id returned by os.Getuid.
44//
45// NewDCESecurity(Person, uint32(os.Getuid()))
46func NewDCEPerson() (UUID, error) {
47 return NewDCESecurity(Person, uint32(os.Getuid()))
48}
49
50// NewDCEGroup returns a DCE Security (Version 2) UUID in the group
51// domain with the id returned by os.Getgid.
52//
53// NewDCESecurity(Group, uint32(os.Getgid()))
54func NewDCEGroup() (UUID, error) {
55 return NewDCESecurity(Group, uint32(os.Getgid()))
56}
57
58// Domain returns the domain for a Version 2 UUID. Domains are only defined
59// for Version 2 UUIDs.
60func (uuid UUID) Domain() Domain {
61 return Domain(uuid[9])
62}
63
64// ID returns the id for a Version 2 UUID. IDs are only defined for Version 2
65// UUIDs.
66func (uuid UUID) ID() uint32 {
67 return binary.BigEndian.Uint32(uuid[0:4])
68}
69
70func (d Domain) String() string {
71 switch d {
72 case Person:
73 return "Person"
74 case Group:
75 return "Group"
76 case Org:
77 return "Org"
78 }
79 return fmt.Sprintf("Domain%d", int(d))
80}