1 package tuf
2
3 import (
4 "errors"
5 "fmt"
6 "time"
7 )
8
9 var (
10 ErrInitNotAllowed = errors.New("tuf: repository already initialized")
11 ErrNewRepository = errors.New("tuf: repository not yet committed")
12 ErrChangePassphraseNotSupported = errors.New("tuf: store does not support changing passphrase")
13 )
14
15 type ErrMissingMetadata struct {
16 Name string
17 }
18
19 func (e ErrMissingMetadata) Error() string {
20 return fmt.Sprintf("tuf: missing metadata file %s", e.Name)
21 }
22
23 type ErrFileNotFound struct {
24 Path string
25 }
26
27 func (e ErrFileNotFound) Error() string {
28 return fmt.Sprintf("tuf: file not found %s", e.Path)
29 }
30
31 type ErrNoKeys struct {
32 Name string
33 }
34
35 func (e ErrNoKeys) Error() string {
36 return fmt.Sprintf("tuf: no keys available to sign %s", e.Name)
37 }
38
39 type ErrInsufficientSignatures struct {
40 Name string
41 Err error
42 }
43
44 func (e ErrInsufficientSignatures) Error() string {
45 return fmt.Sprintf("tuf: insufficient signatures for %s: %s", e.Name, e.Err)
46 }
47
48 type ErrInvalidRole struct {
49 Role string
50 Reason string
51 }
52
53 func (e ErrInvalidRole) Error() string {
54 return fmt.Sprintf("tuf: invalid role %s: %s", e.Role, e.Reason)
55 }
56
57 type ErrInvalidExpires struct {
58 Expires time.Time
59 }
60
61 func (e ErrInvalidExpires) Error() string {
62 return fmt.Sprintf("tuf: invalid expires: %s", e.Expires)
63 }
64
65 type ErrKeyNotFound struct {
66 Role string
67 KeyID string
68 }
69
70 func (e ErrKeyNotFound) Error() string {
71 return fmt.Sprintf(`tuf: no key with id "%s" exists for the %s role`, e.KeyID, e.Role)
72 }
73
74 type ErrNotEnoughKeys struct {
75 Role string
76 Keys int
77 Threshold int
78 }
79
80 func (e ErrNotEnoughKeys) Error() string {
81 return fmt.Sprintf("tuf: %s role has insufficient keys for threshold (has %d keys, threshold is %d)", e.Role, e.Keys, e.Threshold)
82 }
83
84 type ErrPassphraseRequired struct {
85 Role string
86 }
87
88 func (e ErrPassphraseRequired) Error() string {
89 return fmt.Sprintf("tuf: a passphrase is required to access the encrypted %s keys file", e.Role)
90 }
91
92 type ErrNoDelegatedTarget struct {
93 Path string
94 }
95
96 func (e ErrNoDelegatedTarget) Error() string {
97 return fmt.Sprintf("tuf: no delegated target for path %s", e.Path)
98 }
99
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