vendor: github.com/docker/distribution v2.8.3

- Fix storageDriver gcs not registered in binaries
- reference: replace uses of deprecated function SplitHostname
- Dont parse errors as JSON unless Content-Type is set to JSON
- update to go1.20.8
- Set Content-Type header in registry client ReadFrom
- deprecate reference package, migrate to github.com/distribution/reference
- digestset: deprecate package in favor of go-digest/digestset
- Do not close HTTP request body in HTTP handler

full diff: https://github.com/distribution/distribution/compare/v2.8.2...v2.8.3

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn 2023-09-26 10:55:45 +02:00
parent d7caea206e
commit e1d0aacb6a
No known key found for this signature in database
GPG key ID: 76698F39D527CE8C
30 changed files with 427 additions and 1104 deletions

View file

@ -268,10 +268,9 @@ func TestPullSchema2Config(t *testing.T) {
name: "unauthorized", name: "unauthorized",
handler: func(callCount int, w http.ResponseWriter) { handler: func(callCount int, w http.ResponseWriter) {
w.WriteHeader(http.StatusUnauthorized) w.WriteHeader(http.StatusUnauthorized)
// FIXME: current distribution client does not handle plain-text error-responses, so this response is ignored.
_, _ = w.Write([]byte("you need to be authenticated")) _, _ = w.Write([]byte("you need to be authenticated"))
}, },
expectError: "unauthorized: authentication required", expectError: "unauthorized: you need to be authenticated",
expectAttempts: 1, expectAttempts: 1,
}, },
{ {

View file

@ -35,7 +35,7 @@ require (
github.com/creack/pty v1.1.18 github.com/creack/pty v1.1.18
github.com/deckarep/golang-set/v2 v2.3.0 github.com/deckarep/golang-set/v2 v2.3.0
github.com/distribution/reference v0.5.0 github.com/distribution/reference v0.5.0
github.com/docker/distribution v2.8.2+incompatible github.com/docker/distribution v2.8.3+incompatible
github.com/docker/go-connections v0.4.0 github.com/docker/go-connections v0.4.0
github.com/docker/go-events v0.0.0-20190806004212-e31b211e4f1c github.com/docker/go-events v0.0.0-20190806004212-e31b211e4f1c
github.com/docker/go-metrics v0.0.1 github.com/docker/go-metrics v0.0.1

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@ -404,8 +404,8 @@ github.com/docker/cli v20.10.0-beta1.0.20201029214301-1d20b15adc38+incompatible/
github.com/docker/distribution v0.0.0-20190905152932-14b96e55d84c/go.mod h1:0+TTO4EOBfRPhZXAeF1Vu+W3hHZ8eLp8PgKVZlcvtFY= github.com/docker/distribution v0.0.0-20190905152932-14b96e55d84c/go.mod h1:0+TTO4EOBfRPhZXAeF1Vu+W3hHZ8eLp8PgKVZlcvtFY=
github.com/docker/distribution v2.6.0-rc.1.0.20180327202408-83389a148052+incompatible/go.mod h1:J2gT2udsDAN96Uj4KfcMRqY0/ypR+oyYUYmja8H+y+w= github.com/docker/distribution v2.6.0-rc.1.0.20180327202408-83389a148052+incompatible/go.mod h1:J2gT2udsDAN96Uj4KfcMRqY0/ypR+oyYUYmja8H+y+w=
github.com/docker/distribution v2.7.1+incompatible/go.mod h1:J2gT2udsDAN96Uj4KfcMRqY0/ypR+oyYUYmja8H+y+w= github.com/docker/distribution v2.7.1+incompatible/go.mod h1:J2gT2udsDAN96Uj4KfcMRqY0/ypR+oyYUYmja8H+y+w=
github.com/docker/distribution v2.8.2+incompatible h1:T3de5rq0dB1j30rp0sA2rER+m322EBzniBPB6ZIzuh8= github.com/docker/distribution v2.8.3+incompatible h1:AtKxIZ36LoNK51+Z6RpzLpddBirtxJnzDrHLEKxTAYk=
github.com/docker/distribution v2.8.2+incompatible/go.mod h1:J2gT2udsDAN96Uj4KfcMRqY0/ypR+oyYUYmja8H+y+w= github.com/docker/distribution v2.8.3+incompatible/go.mod h1:J2gT2udsDAN96Uj4KfcMRqY0/ypR+oyYUYmja8H+y+w=
github.com/docker/docker v0.0.0-20200511152416-a93e9eb0e95c/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk= github.com/docker/docker v0.0.0-20200511152416-a93e9eb0e95c/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
github.com/docker/docker v0.7.3-0.20190327010347-be7ac8be2ae0/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk= github.com/docker/docker v0.7.3-0.20190327010347-be7ac8be2ae0/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
github.com/docker/docker v1.4.2-0.20180531152204-71cd53e4a197/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk= github.com/docker/docker v1.4.2-0.20180531152204-71cd53e4a197/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=

View file

@ -1,7 +1,5 @@
linters: linters:
enable: enable:
- structcheck
- varcheck
- staticcheck - staticcheck
- unconvert - unconvert
- gofmt - gofmt
@ -14,6 +12,14 @@ linters:
disable: disable:
- errcheck - errcheck
linters-settings:
revive:
rules:
# TODO(thaJeztah): temporarily disabled the "unused-parameter" check.
# It produces many warnings, and some of those may need to be looked at.
- name: unused-parameter
disabled: true
run: run:
deadline: 2m deadline: 2m
skip-dirs: skip-dirs:

View file

@ -49,3 +49,6 @@ Hayley Swimelar <hswimelar@gmail.com>
Jose D. Gomez R <jose.gomez@suse.com> Jose D. Gomez R <jose.gomez@suse.com>
Shengjing Zhu <zhsj@debian.org> Shengjing Zhu <zhsj@debian.org>
Silvin Lubecki <31478878+silvin-lubecki@users.noreply.github.com> Silvin Lubecki <31478878+silvin-lubecki@users.noreply.github.com>
James Hewitt <james.hewitt@gmail.com>
Marcus Pettersen Irgens <m@mrcus.dev>
Ben Manuel <bmanuel@users.noreply.github.com>

View file

@ -114,4 +114,4 @@ the registry binary generated in the "./bin" directory:
### Optional build tags ### Optional build tags
Optional [build tags](http://golang.org/pkg/go/build/) can be provided using Optional [build tags](http://golang.org/pkg/go/build/) can be provided using
the environment variable `DOCKER_BUILDTAGS`. the environment variable `BUILDTAGS`.

View file

@ -1,7 +1,7 @@
# syntax=docker/dockerfile:1 # syntax=docker/dockerfile:1
ARG GO_VERSION=1.19.9 ARG GO_VERSION=1.20.8
ARG ALPINE_VERSION=3.16 ARG ALPINE_VERSION=3.18
ARG XX_VERSION=1.2.1 ARG XX_VERSION=1.2.1
FROM --platform=$BUILDPLATFORM tonistiigi/xx:${XX_VERSION} AS xx FROM --platform=$BUILDPLATFORM tonistiigi/xx:${XX_VERSION} AS xx
@ -22,12 +22,12 @@ RUN --mount=target=. \
FROM base AS build FROM base AS build
ARG TARGETPLATFORM ARG TARGETPLATFORM
ARG LDFLAGS="-s -w" ARG LDFLAGS="-s -w"
ARG BUILDTAGS="include_oss include_gcs" ARG BUILDTAGS="include_oss,include_gcs"
RUN --mount=type=bind,target=/go/src/github.com/docker/distribution,rw \ RUN --mount=type=bind,target=/go/src/github.com/docker/distribution,rw \
--mount=type=cache,target=/root/.cache/go-build \ --mount=type=cache,target=/root/.cache/go-build \
--mount=target=/go/pkg/mod,type=cache \ --mount=target=/go/pkg/mod,type=cache \
--mount=type=bind,source=/tmp/.ldflags,target=/tmp/.ldflags,from=version \ --mount=type=bind,source=/tmp/.ldflags,target=/tmp/.ldflags,from=version \
set -x ; xx-go build -trimpath -ldflags "$(cat /tmp/.ldflags) ${LDFLAGS}" -o /usr/bin/registry ./cmd/registry \ set -x ; xx-go build -tags "${BUILDTAGS}" -trimpath -ldflags "$(cat /tmp/.ldflags) ${LDFLAGS}" -o /usr/bin/registry ./cmd/registry \
&& xx-verify --static /usr/bin/registry && xx-verify --static /usr/bin/registry
FROM scratch AS binary FROM scratch AS binary

View file

@ -50,7 +50,7 @@ version/version.go:
check: ## run all linters (TODO: enable "unused", "varcheck", "ineffassign", "unconvert", "staticheck", "goimports", "structcheck") check: ## run all linters (TODO: enable "unused", "varcheck", "ineffassign", "unconvert", "staticheck", "goimports", "structcheck")
@echo "$(WHALE) $@" @echo "$(WHALE) $@"
@GO111MODULE=off golangci-lint run @GO111MODULE=off golangci-lint --build-tags "${BUILDTAGS}" run
test: ## run tests, except integration test with test.short test: ## run tests, except integration test with test.short
@echo "$(WHALE) $@" @echo "$(WHALE) $@"

View file

@ -8,7 +8,7 @@ import (
"net/http" "net/http"
"time" "time"
"github.com/docker/distribution/reference" "github.com/distribution/reference"
"github.com/opencontainers/go-digest" "github.com/opencontainers/go-digest"
v1 "github.com/opencontainers/image-spec/specs-go/v1" v1 "github.com/opencontainers/image-spec/specs-go/v1"
) )

View file

@ -1,247 +0,0 @@
package digestset
import (
"errors"
"sort"
"strings"
"sync"
digest "github.com/opencontainers/go-digest"
)
var (
// ErrDigestNotFound is used when a matching digest
// could not be found in a set.
ErrDigestNotFound = errors.New("digest not found")
// ErrDigestAmbiguous is used when multiple digests
// are found in a set. None of the matching digests
// should be considered valid matches.
ErrDigestAmbiguous = errors.New("ambiguous digest string")
)
// Set is used to hold a unique set of digests which
// may be easily referenced by easily referenced by a string
// representation of the digest as well as short representation.
// The uniqueness of the short representation is based on other
// digests in the set. If digests are omitted from this set,
// collisions in a larger set may not be detected, therefore it
// is important to always do short representation lookups on
// the complete set of digests. To mitigate collisions, an
// appropriately long short code should be used.
type Set struct {
mutex sync.RWMutex
entries digestEntries
}
// NewSet creates an empty set of digests
// which may have digests added.
func NewSet() *Set {
return &Set{
entries: digestEntries{},
}
}
// checkShortMatch checks whether two digests match as either whole
// values or short values. This function does not test equality,
// rather whether the second value could match against the first
// value.
func checkShortMatch(alg digest.Algorithm, hex, shortAlg, shortHex string) bool {
if len(hex) == len(shortHex) {
if hex != shortHex {
return false
}
if len(shortAlg) > 0 && string(alg) != shortAlg {
return false
}
} else if !strings.HasPrefix(hex, shortHex) {
return false
} else if len(shortAlg) > 0 && string(alg) != shortAlg {
return false
}
return true
}
// Lookup looks for a digest matching the given string representation.
// If no digests could be found ErrDigestNotFound will be returned
// with an empty digest value. If multiple matches are found
// ErrDigestAmbiguous will be returned with an empty digest value.
func (dst *Set) Lookup(d string) (digest.Digest, error) {
dst.mutex.RLock()
defer dst.mutex.RUnlock()
if len(dst.entries) == 0 {
return "", ErrDigestNotFound
}
var (
searchFunc func(int) bool
alg digest.Algorithm
hex string
)
dgst, err := digest.Parse(d)
if err == digest.ErrDigestInvalidFormat {
hex = d
searchFunc = func(i int) bool {
return dst.entries[i].val >= d
}
} else {
hex = dgst.Hex()
alg = dgst.Algorithm()
searchFunc = func(i int) bool {
if dst.entries[i].val == hex {
return dst.entries[i].alg >= alg
}
return dst.entries[i].val >= hex
}
}
idx := sort.Search(len(dst.entries), searchFunc)
if idx == len(dst.entries) || !checkShortMatch(dst.entries[idx].alg, dst.entries[idx].val, string(alg), hex) {
return "", ErrDigestNotFound
}
if dst.entries[idx].alg == alg && dst.entries[idx].val == hex {
return dst.entries[idx].digest, nil
}
if idx+1 < len(dst.entries) && checkShortMatch(dst.entries[idx+1].alg, dst.entries[idx+1].val, string(alg), hex) {
return "", ErrDigestAmbiguous
}
return dst.entries[idx].digest, nil
}
// Add adds the given digest to the set. An error will be returned
// if the given digest is invalid. If the digest already exists in the
// set, this operation will be a no-op.
func (dst *Set) Add(d digest.Digest) error {
if err := d.Validate(); err != nil {
return err
}
dst.mutex.Lock()
defer dst.mutex.Unlock()
entry := &digestEntry{alg: d.Algorithm(), val: d.Hex(), digest: d}
searchFunc := func(i int) bool {
if dst.entries[i].val == entry.val {
return dst.entries[i].alg >= entry.alg
}
return dst.entries[i].val >= entry.val
}
idx := sort.Search(len(dst.entries), searchFunc)
if idx == len(dst.entries) {
dst.entries = append(dst.entries, entry)
return nil
} else if dst.entries[idx].digest == d {
return nil
}
entries := append(dst.entries, nil)
copy(entries[idx+1:], entries[idx:len(entries)-1])
entries[idx] = entry
dst.entries = entries
return nil
}
// Remove removes the given digest from the set. An err will be
// returned if the given digest is invalid. If the digest does
// not exist in the set, this operation will be a no-op.
func (dst *Set) Remove(d digest.Digest) error {
if err := d.Validate(); err != nil {
return err
}
dst.mutex.Lock()
defer dst.mutex.Unlock()
entry := &digestEntry{alg: d.Algorithm(), val: d.Hex(), digest: d}
searchFunc := func(i int) bool {
if dst.entries[i].val == entry.val {
return dst.entries[i].alg >= entry.alg
}
return dst.entries[i].val >= entry.val
}
idx := sort.Search(len(dst.entries), searchFunc)
// Not found if idx is after or value at idx is not digest
if idx == len(dst.entries) || dst.entries[idx].digest != d {
return nil
}
entries := dst.entries
copy(entries[idx:], entries[idx+1:])
entries = entries[:len(entries)-1]
dst.entries = entries
return nil
}
// All returns all the digests in the set
func (dst *Set) All() []digest.Digest {
dst.mutex.RLock()
defer dst.mutex.RUnlock()
retValues := make([]digest.Digest, len(dst.entries))
for i := range dst.entries {
retValues[i] = dst.entries[i].digest
}
return retValues
}
// ShortCodeTable returns a map of Digest to unique short codes. The
// length represents the minimum value, the maximum length may be the
// entire value of digest if uniqueness cannot be achieved without the
// full value. This function will attempt to make short codes as short
// as possible to be unique.
func ShortCodeTable(dst *Set, length int) map[digest.Digest]string {
dst.mutex.RLock()
defer dst.mutex.RUnlock()
m := make(map[digest.Digest]string, len(dst.entries))
l := length
resetIdx := 0
for i := 0; i < len(dst.entries); i++ {
var short string
extended := true
for extended {
extended = false
if len(dst.entries[i].val) <= l {
short = dst.entries[i].digest.String()
} else {
short = dst.entries[i].val[:l]
for j := i + 1; j < len(dst.entries); j++ {
if checkShortMatch(dst.entries[j].alg, dst.entries[j].val, "", short) {
if j > resetIdx {
resetIdx = j
}
extended = true
} else {
break
}
}
if extended {
l++
}
}
}
m[dst.entries[i].digest] = short
if i >= resetIdx {
l = length
}
}
return m
}
type digestEntry struct {
alg digest.Algorithm
val string
digest digest.Digest
}
type digestEntries []*digestEntry
func (d digestEntries) Len() int {
return len(d)
}
func (d digestEntries) Less(i, j int) bool {
if d[i].val != d[j].val {
return d[i].val < d[j].val
}
return d[i].alg < d[j].alg
}
func (d digestEntries) Swap(i, j int) {
d[i], d[j] = d[j], d[i]
}

View file

@ -8,9 +8,9 @@ import (
"fmt" "fmt"
"time" "time"
"github.com/distribution/reference"
"github.com/docker/distribution" "github.com/docker/distribution"
"github.com/docker/distribution/manifest" "github.com/docker/distribution/manifest"
"github.com/docker/distribution/reference"
"github.com/docker/libtrust" "github.com/docker/libtrust"
"github.com/opencontainers/go-digest" "github.com/opencontainers/go-digest"
) )

View file

@ -5,9 +5,9 @@ import (
"errors" "errors"
"fmt" "fmt"
"github.com/distribution/reference"
"github.com/docker/distribution" "github.com/docker/distribution"
"github.com/docker/distribution/manifest" "github.com/docker/distribution/manifest"
"github.com/docker/distribution/reference"
"github.com/docker/libtrust" "github.com/docker/libtrust"
"github.com/opencontainers/go-digest" "github.com/opencontainers/go-digest"
) )

View file

@ -1,42 +0,0 @@
package reference
import "path"
// IsNameOnly returns true if reference only contains a repo name.
func IsNameOnly(ref Named) bool {
if _, ok := ref.(NamedTagged); ok {
return false
}
if _, ok := ref.(Canonical); ok {
return false
}
return true
}
// FamiliarName returns the familiar name string
// for the given named, familiarizing if needed.
func FamiliarName(ref Named) string {
if nn, ok := ref.(normalizedNamed); ok {
return nn.Familiar().Name()
}
return ref.Name()
}
// FamiliarString returns the familiar string representation
// for the given reference, familiarizing if needed.
func FamiliarString(ref Reference) string {
if nn, ok := ref.(normalizedNamed); ok {
return nn.Familiar().String()
}
return ref.String()
}
// FamiliarMatch reports whether ref matches the specified pattern.
// See https://godoc.org/path#Match for supported patterns.
func FamiliarMatch(pattern string, ref Reference) (bool, error) {
matched, err := path.Match(pattern, FamiliarString(ref))
if namedRef, isNamed := ref.(Named); isNamed && !matched {
matched, _ = path.Match(pattern, FamiliarName(namedRef))
}
return matched, err
}

View file

@ -0,0 +1,34 @@
package reference
import "github.com/distribution/reference"
// IsNameOnly returns true if reference only contains a repo name.
//
// Deprecated: use [reference.IsNameOnly].
func IsNameOnly(ref reference.Named) bool {
return reference.IsNameOnly(ref)
}
// FamiliarName returns the familiar name string
// for the given named, familiarizing if needed.
//
// Deprecated: use [reference.FamiliarName].
func FamiliarName(ref reference.Named) string {
return reference.FamiliarName(ref)
}
// FamiliarString returns the familiar string representation
// for the given reference, familiarizing if needed.
//
// Deprecated: use [reference.FamiliarString].
func FamiliarString(ref reference.Reference) string {
return reference.FamiliarString(ref)
}
// FamiliarMatch reports whether ref matches the specified pattern.
// See [path.Match] for supported patterns.
//
// Deprecated: use [reference.FamiliarMatch].
func FamiliarMatch(pattern string, ref reference.Reference) (bool, error) {
return reference.FamiliarMatch(pattern, ref)
}

View file

@ -1,199 +0,0 @@
package reference
import (
"errors"
"fmt"
"strings"
"github.com/docker/distribution/digestset"
"github.com/opencontainers/go-digest"
)
var (
legacyDefaultDomain = "index.docker.io"
defaultDomain = "docker.io"
officialRepoName = "library"
defaultTag = "latest"
)
// normalizedNamed represents a name which has been
// normalized and has a familiar form. A familiar name
// is what is used in Docker UI. An example normalized
// name is "docker.io/library/ubuntu" and corresponding
// familiar name of "ubuntu".
type normalizedNamed interface {
Named
Familiar() Named
}
// ParseNormalizedNamed parses a string into a named reference
// transforming a familiar name from Docker UI to a fully
// qualified reference. If the value may be an identifier
// use ParseAnyReference.
func ParseNormalizedNamed(s string) (Named, error) {
if ok := anchoredIdentifierRegexp.MatchString(s); ok {
return nil, fmt.Errorf("invalid repository name (%s), cannot specify 64-byte hexadecimal strings", s)
}
domain, remainder := splitDockerDomain(s)
var remoteName string
if tagSep := strings.IndexRune(remainder, ':'); tagSep > -1 {
remoteName = remainder[:tagSep]
} else {
remoteName = remainder
}
if strings.ToLower(remoteName) != remoteName {
return nil, errors.New("invalid reference format: repository name must be lowercase")
}
ref, err := Parse(domain + "/" + remainder)
if err != nil {
return nil, err
}
named, isNamed := ref.(Named)
if !isNamed {
return nil, fmt.Errorf("reference %s has no name", ref.String())
}
return named, nil
}
// ParseDockerRef normalizes the image reference following the docker convention. This is added
// mainly for backward compatibility.
// The reference returned can only be either tagged or digested. For reference contains both tag
// and digest, the function returns digested reference, e.g. docker.io/library/busybox:latest@
// sha256:7cc4b5aefd1d0cadf8d97d4350462ba51c694ebca145b08d7d41b41acc8db5aa will be returned as
// docker.io/library/busybox@sha256:7cc4b5aefd1d0cadf8d97d4350462ba51c694ebca145b08d7d41b41acc8db5aa.
func ParseDockerRef(ref string) (Named, error) {
named, err := ParseNormalizedNamed(ref)
if err != nil {
return nil, err
}
if _, ok := named.(NamedTagged); ok {
if canonical, ok := named.(Canonical); ok {
// The reference is both tagged and digested, only
// return digested.
newNamed, err := WithName(canonical.Name())
if err != nil {
return nil, err
}
newCanonical, err := WithDigest(newNamed, canonical.Digest())
if err != nil {
return nil, err
}
return newCanonical, nil
}
}
return TagNameOnly(named), nil
}
// splitDockerDomain splits a repository name to domain and remotename string.
// If no valid domain is found, the default domain is used. Repository name
// needs to be already validated before.
func splitDockerDomain(name string) (domain, remainder string) {
i := strings.IndexRune(name, '/')
if i == -1 || (!strings.ContainsAny(name[:i], ".:") && name[:i] != "localhost") {
domain, remainder = defaultDomain, name
} else {
domain, remainder = name[:i], name[i+1:]
}
if domain == legacyDefaultDomain {
domain = defaultDomain
}
if domain == defaultDomain && !strings.ContainsRune(remainder, '/') {
remainder = officialRepoName + "/" + remainder
}
return
}
// familiarizeName returns a shortened version of the name familiar
// to to the Docker UI. Familiar names have the default domain
// "docker.io" and "library/" repository prefix removed.
// For example, "docker.io/library/redis" will have the familiar
// name "redis" and "docker.io/dmcgowan/myapp" will be "dmcgowan/myapp".
// Returns a familiarized named only reference.
func familiarizeName(named namedRepository) repository {
repo := repository{
domain: named.Domain(),
path: named.Path(),
}
if repo.domain == defaultDomain {
repo.domain = ""
// Handle official repositories which have the pattern "library/<official repo name>"
if split := strings.Split(repo.path, "/"); len(split) == 2 && split[0] == officialRepoName {
repo.path = split[1]
}
}
return repo
}
func (r reference) Familiar() Named {
return reference{
namedRepository: familiarizeName(r.namedRepository),
tag: r.tag,
digest: r.digest,
}
}
func (r repository) Familiar() Named {
return familiarizeName(r)
}
func (t taggedReference) Familiar() Named {
return taggedReference{
namedRepository: familiarizeName(t.namedRepository),
tag: t.tag,
}
}
func (c canonicalReference) Familiar() Named {
return canonicalReference{
namedRepository: familiarizeName(c.namedRepository),
digest: c.digest,
}
}
// TagNameOnly adds the default tag "latest" to a reference if it only has
// a repo name.
func TagNameOnly(ref Named) Named {
if IsNameOnly(ref) {
namedTagged, err := WithTag(ref, defaultTag)
if err != nil {
// Default tag must be valid, to create a NamedTagged
// type with non-validated input the WithTag function
// should be used instead
panic(err)
}
return namedTagged
}
return ref
}
// ParseAnyReference parses a reference string as a possible identifier,
// full digest, or familiar name.
func ParseAnyReference(ref string) (Reference, error) {
if ok := anchoredIdentifierRegexp.MatchString(ref); ok {
return digestReference("sha256:" + ref), nil
}
if dgst, err := digest.Parse(ref); err == nil {
return digestReference(dgst), nil
}
return ParseNormalizedNamed(ref)
}
// ParseAnyReferenceWithSet parses a reference string as a possible short
// identifier to be matched in a digest set, a full digest, or familiar name.
func ParseAnyReferenceWithSet(ref string, ds *digestset.Set) (Reference, error) {
if ok := anchoredShortIdentifierRegexp.MatchString(ref); ok {
dgst, err := ds.Lookup(ref)
if err == nil {
return digestReference(dgst), nil
}
} else {
if dgst, err := digest.Parse(ref); err == nil {
return digestReference(dgst), nil
}
}
return ParseNormalizedNamed(ref)
}

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@ -0,0 +1,92 @@
package reference
import (
"regexp"
"github.com/distribution/reference"
"github.com/opencontainers/go-digest"
"github.com/opencontainers/go-digest/digestset"
)
// ParseNormalizedNamed parses a string into a named reference
// transforming a familiar name from Docker UI to a fully
// qualified reference. If the value may be an identifier
// use ParseAnyReference.
//
// Deprecated: use [reference.ParseNormalizedNamed].
func ParseNormalizedNamed(s string) (reference.Named, error) {
return reference.ParseNormalizedNamed(s)
}
// ParseDockerRef normalizes the image reference following the docker convention,
// which allows for references to contain both a tag and a digest.
//
// Deprecated: use [reference.ParseDockerRef].
func ParseDockerRef(ref string) (reference.Named, error) {
return reference.ParseDockerRef(ref)
}
// TagNameOnly adds the default tag "latest" to a reference if it only has
// a repo name.
//
// Deprecated: use [reference.TagNameOnly].
func TagNameOnly(ref reference.Named) reference.Named {
return reference.TagNameOnly(ref)
}
// ParseAnyReference parses a reference string as a possible identifier,
// full digest, or familiar name.
//
// Deprecated: use [reference.ParseAnyReference].
func ParseAnyReference(ref string) (reference.Reference, error) {
return reference.ParseAnyReference(ref)
}
// Functions and types below have been removed in distribution v3 and
// have not been ported to github.com/distribution/reference. See
// https://github.com/distribution/distribution/pull/3774
var (
// ShortIdentifierRegexp is the format used to represent a prefix
// of an identifier. A prefix may be used to match a sha256 identifier
// within a list of trusted identifiers.
//
// Deprecated: support for short-identifiers is deprecated, and will be removed in v3.
ShortIdentifierRegexp = regexp.MustCompile(shortIdentifier)
shortIdentifier = `([a-f0-9]{6,64})`
// anchoredShortIdentifierRegexp is used to check if a value
// is a possible identifier prefix, anchored at start and end
// of string.
anchoredShortIdentifierRegexp = regexp.MustCompile(`^` + shortIdentifier + `$`)
)
type digestReference digest.Digest
func (d digestReference) String() string {
return digest.Digest(d).String()
}
func (d digestReference) Digest() digest.Digest {
return digest.Digest(d)
}
// ParseAnyReferenceWithSet parses a reference string as a possible short
// identifier to be matched in a digest set, a full digest, or familiar name.
//
// Deprecated: support for short-identifiers is deprecated, and will be removed in v3.
func ParseAnyReferenceWithSet(ref string, ds *digestset.Set) (Reference, error) {
if ok := anchoredShortIdentifierRegexp.MatchString(ref); ok {
dgst, err := ds.Lookup(ref)
if err == nil {
return digestReference(dgst), nil
}
} else {
if dgst, err := digest.Parse(ref); err == nil {
return digestReference(dgst), nil
}
}
return reference.ParseNormalizedNamed(ref)
}

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@ -1,433 +0,0 @@
// Package reference provides a general type to represent any way of referencing images within the registry.
// Its main purpose is to abstract tags and digests (content-addressable hash).
//
// Grammar
//
// reference := name [ ":" tag ] [ "@" digest ]
// name := [domain '/'] path-component ['/' path-component]*
// domain := domain-component ['.' domain-component]* [':' port-number]
// domain-component := /([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9-]*[a-zA-Z0-9])/
// port-number := /[0-9]+/
// path-component := alpha-numeric [separator alpha-numeric]*
// alpha-numeric := /[a-z0-9]+/
// separator := /[_.]|__|[-]*/
//
// tag := /[\w][\w.-]{0,127}/
//
// digest := digest-algorithm ":" digest-hex
// digest-algorithm := digest-algorithm-component [ digest-algorithm-separator digest-algorithm-component ]*
// digest-algorithm-separator := /[+.-_]/
// digest-algorithm-component := /[A-Za-z][A-Za-z0-9]*/
// digest-hex := /[0-9a-fA-F]{32,}/ ; At least 128 bit digest value
//
// identifier := /[a-f0-9]{64}/
// short-identifier := /[a-f0-9]{6,64}/
package reference
import (
"errors"
"fmt"
"strings"
"github.com/opencontainers/go-digest"
)
const (
// NameTotalLengthMax is the maximum total number of characters in a repository name.
NameTotalLengthMax = 255
)
var (
// ErrReferenceInvalidFormat represents an error while trying to parse a string as a reference.
ErrReferenceInvalidFormat = errors.New("invalid reference format")
// ErrTagInvalidFormat represents an error while trying to parse a string as a tag.
ErrTagInvalidFormat = errors.New("invalid tag format")
// ErrDigestInvalidFormat represents an error while trying to parse a string as a tag.
ErrDigestInvalidFormat = errors.New("invalid digest format")
// ErrNameContainsUppercase is returned for invalid repository names that contain uppercase characters.
ErrNameContainsUppercase = errors.New("repository name must be lowercase")
// ErrNameEmpty is returned for empty, invalid repository names.
ErrNameEmpty = errors.New("repository name must have at least one component")
// ErrNameTooLong is returned when a repository name is longer than NameTotalLengthMax.
ErrNameTooLong = fmt.Errorf("repository name must not be more than %v characters", NameTotalLengthMax)
// ErrNameNotCanonical is returned when a name is not canonical.
ErrNameNotCanonical = errors.New("repository name must be canonical")
)
// Reference is an opaque object reference identifier that may include
// modifiers such as a hostname, name, tag, and digest.
type Reference interface {
// String returns the full reference
String() string
}
// Field provides a wrapper type for resolving correct reference types when
// working with encoding.
type Field struct {
reference Reference
}
// AsField wraps a reference in a Field for encoding.
func AsField(reference Reference) Field {
return Field{reference}
}
// Reference unwraps the reference type from the field to
// return the Reference object. This object should be
// of the appropriate type to further check for different
// reference types.
func (f Field) Reference() Reference {
return f.reference
}
// MarshalText serializes the field to byte text which
// is the string of the reference.
func (f Field) MarshalText() (p []byte, err error) {
return []byte(f.reference.String()), nil
}
// UnmarshalText parses text bytes by invoking the
// reference parser to ensure the appropriately
// typed reference object is wrapped by field.
func (f *Field) UnmarshalText(p []byte) error {
r, err := Parse(string(p))
if err != nil {
return err
}
f.reference = r
return nil
}
// Named is an object with a full name
type Named interface {
Reference
Name() string
}
// Tagged is an object which has a tag
type Tagged interface {
Reference
Tag() string
}
// NamedTagged is an object including a name and tag.
type NamedTagged interface {
Named
Tag() string
}
// Digested is an object which has a digest
// in which it can be referenced by
type Digested interface {
Reference
Digest() digest.Digest
}
// Canonical reference is an object with a fully unique
// name including a name with domain and digest
type Canonical interface {
Named
Digest() digest.Digest
}
// namedRepository is a reference to a repository with a name.
// A namedRepository has both domain and path components.
type namedRepository interface {
Named
Domain() string
Path() string
}
// Domain returns the domain part of the Named reference
func Domain(named Named) string {
if r, ok := named.(namedRepository); ok {
return r.Domain()
}
domain, _ := splitDomain(named.Name())
return domain
}
// Path returns the name without the domain part of the Named reference
func Path(named Named) (name string) {
if r, ok := named.(namedRepository); ok {
return r.Path()
}
_, path := splitDomain(named.Name())
return path
}
func splitDomain(name string) (string, string) {
match := anchoredNameRegexp.FindStringSubmatch(name)
if len(match) != 3 {
return "", name
}
return match[1], match[2]
}
// SplitHostname splits a named reference into a
// hostname and name string. If no valid hostname is
// found, the hostname is empty and the full value
// is returned as name
// DEPRECATED: Use Domain or Path
func SplitHostname(named Named) (string, string) {
if r, ok := named.(namedRepository); ok {
return r.Domain(), r.Path()
}
return splitDomain(named.Name())
}
// Parse parses s and returns a syntactically valid Reference.
// If an error was encountered it is returned, along with a nil Reference.
// NOTE: Parse will not handle short digests.
func Parse(s string) (Reference, error) {
matches := ReferenceRegexp.FindStringSubmatch(s)
if matches == nil {
if s == "" {
return nil, ErrNameEmpty
}
if ReferenceRegexp.FindStringSubmatch(strings.ToLower(s)) != nil {
return nil, ErrNameContainsUppercase
}
return nil, ErrReferenceInvalidFormat
}
if len(matches[1]) > NameTotalLengthMax {
return nil, ErrNameTooLong
}
var repo repository
nameMatch := anchoredNameRegexp.FindStringSubmatch(matches[1])
if len(nameMatch) == 3 {
repo.domain = nameMatch[1]
repo.path = nameMatch[2]
} else {
repo.domain = ""
repo.path = matches[1]
}
ref := reference{
namedRepository: repo,
tag: matches[2],
}
if matches[3] != "" {
var err error
ref.digest, err = digest.Parse(matches[3])
if err != nil {
return nil, err
}
}
r := getBestReferenceType(ref)
if r == nil {
return nil, ErrNameEmpty
}
return r, nil
}
// ParseNamed parses s and returns a syntactically valid reference implementing
// the Named interface. The reference must have a name and be in the canonical
// form, otherwise an error is returned.
// If an error was encountered it is returned, along with a nil Reference.
// NOTE: ParseNamed will not handle short digests.
func ParseNamed(s string) (Named, error) {
named, err := ParseNormalizedNamed(s)
if err != nil {
return nil, err
}
if named.String() != s {
return nil, ErrNameNotCanonical
}
return named, nil
}
// WithName returns a named object representing the given string. If the input
// is invalid ErrReferenceInvalidFormat will be returned.
func WithName(name string) (Named, error) {
if len(name) > NameTotalLengthMax {
return nil, ErrNameTooLong
}
match := anchoredNameRegexp.FindStringSubmatch(name)
if match == nil || len(match) != 3 {
return nil, ErrReferenceInvalidFormat
}
return repository{
domain: match[1],
path: match[2],
}, nil
}
// WithTag combines the name from "name" and the tag from "tag" to form a
// reference incorporating both the name and the tag.
func WithTag(name Named, tag string) (NamedTagged, error) {
if !anchoredTagRegexp.MatchString(tag) {
return nil, ErrTagInvalidFormat
}
var repo repository
if r, ok := name.(namedRepository); ok {
repo.domain = r.Domain()
repo.path = r.Path()
} else {
repo.path = name.Name()
}
if canonical, ok := name.(Canonical); ok {
return reference{
namedRepository: repo,
tag: tag,
digest: canonical.Digest(),
}, nil
}
return taggedReference{
namedRepository: repo,
tag: tag,
}, nil
}
// WithDigest combines the name from "name" and the digest from "digest" to form
// a reference incorporating both the name and the digest.
func WithDigest(name Named, digest digest.Digest) (Canonical, error) {
if !anchoredDigestRegexp.MatchString(digest.String()) {
return nil, ErrDigestInvalidFormat
}
var repo repository
if r, ok := name.(namedRepository); ok {
repo.domain = r.Domain()
repo.path = r.Path()
} else {
repo.path = name.Name()
}
if tagged, ok := name.(Tagged); ok {
return reference{
namedRepository: repo,
tag: tagged.Tag(),
digest: digest,
}, nil
}
return canonicalReference{
namedRepository: repo,
digest: digest,
}, nil
}
// TrimNamed removes any tag or digest from the named reference.
func TrimNamed(ref Named) Named {
domain, path := SplitHostname(ref)
return repository{
domain: domain,
path: path,
}
}
func getBestReferenceType(ref reference) Reference {
if ref.Name() == "" {
// Allow digest only references
if ref.digest != "" {
return digestReference(ref.digest)
}
return nil
}
if ref.tag == "" {
if ref.digest != "" {
return canonicalReference{
namedRepository: ref.namedRepository,
digest: ref.digest,
}
}
return ref.namedRepository
}
if ref.digest == "" {
return taggedReference{
namedRepository: ref.namedRepository,
tag: ref.tag,
}
}
return ref
}
type reference struct {
namedRepository
tag string
digest digest.Digest
}
func (r reference) String() string {
return r.Name() + ":" + r.tag + "@" + r.digest.String()
}
func (r reference) Tag() string {
return r.tag
}
func (r reference) Digest() digest.Digest {
return r.digest
}
type repository struct {
domain string
path string
}
func (r repository) String() string {
return r.Name()
}
func (r repository) Name() string {
if r.domain == "" {
return r.path
}
return r.domain + "/" + r.path
}
func (r repository) Domain() string {
return r.domain
}
func (r repository) Path() string {
return r.path
}
type digestReference digest.Digest
func (d digestReference) String() string {
return digest.Digest(d).String()
}
func (d digestReference) Digest() digest.Digest {
return digest.Digest(d)
}
type taggedReference struct {
namedRepository
tag string
}
func (t taggedReference) String() string {
return t.Name() + ":" + t.tag
}
func (t taggedReference) Tag() string {
return t.tag
}
type canonicalReference struct {
namedRepository
digest digest.Digest
}
func (c canonicalReference) String() string {
return c.Name() + "@" + c.digest.String()
}
func (c canonicalReference) Digest() digest.Digest {
return c.digest
}

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@ -0,0 +1,172 @@
// Package reference is deprecated, and has moved to github.com/distribution/reference.
//
// Deprecated: use github.com/distribution/reference instead.
package reference
import (
"github.com/distribution/reference"
"github.com/opencontainers/go-digest"
)
const (
// NameTotalLengthMax is the maximum total number of characters in a repository name.
//
// Deprecated: use [reference.NameTotalLengthMax].
NameTotalLengthMax = reference.NameTotalLengthMax
)
var (
// ErrReferenceInvalidFormat represents an error while trying to parse a string as a reference.
//
// Deprecated: use [reference.ErrReferenceInvalidFormat].
ErrReferenceInvalidFormat = reference.ErrReferenceInvalidFormat
// ErrTagInvalidFormat represents an error while trying to parse a string as a tag.
//
// Deprecated: use [reference.ErrTagInvalidFormat].
ErrTagInvalidFormat = reference.ErrTagInvalidFormat
// ErrDigestInvalidFormat represents an error while trying to parse a string as a tag.
//
// Deprecated: use [reference.ErrDigestInvalidFormat].
ErrDigestInvalidFormat = reference.ErrDigestInvalidFormat
// ErrNameContainsUppercase is returned for invalid repository names that contain uppercase characters.
//
// Deprecated: use [reference.ErrNameContainsUppercase].
ErrNameContainsUppercase = reference.ErrNameContainsUppercase
// ErrNameEmpty is returned for empty, invalid repository names.
//
// Deprecated: use [reference.ErrNameEmpty].
ErrNameEmpty = reference.ErrNameEmpty
// ErrNameTooLong is returned when a repository name is longer than NameTotalLengthMax.
//
// Deprecated: use [reference.ErrNameTooLong].
ErrNameTooLong = reference.ErrNameTooLong
// ErrNameNotCanonical is returned when a name is not canonical.
//
// Deprecated: use [reference.ErrNameNotCanonical].
ErrNameNotCanonical = reference.ErrNameNotCanonical
)
// Reference is an opaque object reference identifier that may include
// modifiers such as a hostname, name, tag, and digest.
//
// Deprecated: use [reference.Reference].
type Reference = reference.Reference
// Field provides a wrapper type for resolving correct reference types when
// working with encoding.
//
// Deprecated: use [reference.Field].
type Field = reference.Field
// AsField wraps a reference in a Field for encoding.
//
// Deprecated: use [reference.AsField].
func AsField(ref reference.Reference) reference.Field {
return reference.AsField(ref)
}
// Named is an object with a full name
//
// Deprecated: use [reference.Named].
type Named = reference.Named
// Tagged is an object which has a tag
//
// Deprecated: use [reference.Tagged].
type Tagged = reference.Tagged
// NamedTagged is an object including a name and tag.
//
// Deprecated: use [reference.NamedTagged].
type NamedTagged reference.NamedTagged
// Digested is an object which has a digest
// in which it can be referenced by
//
// Deprecated: use [reference.Digested].
type Digested reference.Digested
// Canonical reference is an object with a fully unique
// name including a name with domain and digest
//
// Deprecated: use [reference.Canonical].
type Canonical reference.Canonical
// Domain returns the domain part of the [Named] reference.
//
// Deprecated: use [reference.Domain].
func Domain(named reference.Named) string {
return reference.Domain(named)
}
// Path returns the name without the domain part of the [Named] reference.
//
// Deprecated: use [reference.Path].
func Path(named reference.Named) (name string) {
return reference.Path(named)
}
// SplitHostname splits a named reference into a
// hostname and name string. If no valid hostname is
// found, the hostname is empty and the full value
// is returned as name
//
// Deprecated: Use [reference.Domain] or [reference.Path].
func SplitHostname(named reference.Named) (string, string) {
return reference.SplitHostname(named)
}
// Parse parses s and returns a syntactically valid Reference.
// If an error was encountered it is returned, along with a nil Reference.
//
// Deprecated: use [reference.Parse].
func Parse(s string) (reference.Reference, error) {
return reference.Parse(s)
}
// ParseNamed parses s and returns a syntactically valid reference implementing
// the Named interface. The reference must have a name and be in the canonical
// form, otherwise an error is returned.
// If an error was encountered it is returned, along with a nil Reference.
//
// Deprecated: use [reference.ParseNamed].
func ParseNamed(s string) (reference.Named, error) {
return reference.ParseNamed(s)
}
// WithName returns a named object representing the given string. If the input
// is invalid ErrReferenceInvalidFormat will be returned.
//
// Deprecated: use [reference.WithName].
func WithName(name string) (reference.Named, error) {
return reference.WithName(name)
}
// WithTag combines the name from "name" and the tag from "tag" to form a
// reference incorporating both the name and the tag.
//
// Deprecated: use [reference.WithTag].
func WithTag(name reference.Named, tag string) (reference.NamedTagged, error) {
return reference.WithTag(name, tag)
}
// WithDigest combines the name from "name" and the digest from "digest" to form
// a reference incorporating both the name and the digest.
//
// Deprecated: use [reference.WithDigest].
func WithDigest(name reference.Named, digest digest.Digest) (reference.Canonical, error) {
return reference.WithDigest(name, digest)
}
// TrimNamed removes any tag or digest from the named reference.
//
// Deprecated: use [reference.TrimNamed].
func TrimNamed(ref reference.Named) reference.Named {
return reference.TrimNamed(ref)
}

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@ -1,143 +0,0 @@
package reference
import "regexp"
var (
// alphaNumericRegexp defines the alpha numeric atom, typically a
// component of names. This only allows lower case characters and digits.
alphaNumericRegexp = match(`[a-z0-9]+`)
// separatorRegexp defines the separators allowed to be embedded in name
// components. This allow one period, one or two underscore and multiple
// dashes.
separatorRegexp = match(`(?:[._]|__|[-]*)`)
// nameComponentRegexp restricts registry path component names to start
// with at least one letter or number, with following parts able to be
// separated by one period, one or two underscore and multiple dashes.
nameComponentRegexp = expression(
alphaNumericRegexp,
optional(repeated(separatorRegexp, alphaNumericRegexp)))
// domainComponentRegexp restricts the registry domain component of a
// repository name to start with a component as defined by DomainRegexp
// and followed by an optional port.
domainComponentRegexp = match(`(?:[a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9-]*[a-zA-Z0-9])`)
// DomainRegexp defines the structure of potential domain components
// that may be part of image names. This is purposely a subset of what is
// allowed by DNS to ensure backwards compatibility with Docker image
// names.
DomainRegexp = expression(
domainComponentRegexp,
optional(repeated(literal(`.`), domainComponentRegexp)),
optional(literal(`:`), match(`[0-9]+`)))
// TagRegexp matches valid tag names. From docker/docker:graph/tags.go.
TagRegexp = match(`[\w][\w.-]{0,127}`)
// anchoredTagRegexp matches valid tag names, anchored at the start and
// end of the matched string.
anchoredTagRegexp = anchored(TagRegexp)
// DigestRegexp matches valid digests.
DigestRegexp = match(`[A-Za-z][A-Za-z0-9]*(?:[-_+.][A-Za-z][A-Za-z0-9]*)*[:][[:xdigit:]]{32,}`)
// anchoredDigestRegexp matches valid digests, anchored at the start and
// end of the matched string.
anchoredDigestRegexp = anchored(DigestRegexp)
// NameRegexp is the format for the name component of references. The
// regexp has capturing groups for the domain and name part omitting
// the separating forward slash from either.
NameRegexp = expression(
optional(DomainRegexp, literal(`/`)),
nameComponentRegexp,
optional(repeated(literal(`/`), nameComponentRegexp)))
// anchoredNameRegexp is used to parse a name value, capturing the
// domain and trailing components.
anchoredNameRegexp = anchored(
optional(capture(DomainRegexp), literal(`/`)),
capture(nameComponentRegexp,
optional(repeated(literal(`/`), nameComponentRegexp))))
// ReferenceRegexp is the full supported format of a reference. The regexp
// is anchored and has capturing groups for name, tag, and digest
// components.
ReferenceRegexp = anchored(capture(NameRegexp),
optional(literal(":"), capture(TagRegexp)),
optional(literal("@"), capture(DigestRegexp)))
// IdentifierRegexp is the format for string identifier used as a
// content addressable identifier using sha256. These identifiers
// are like digests without the algorithm, since sha256 is used.
IdentifierRegexp = match(`([a-f0-9]{64})`)
// ShortIdentifierRegexp is the format used to represent a prefix
// of an identifier. A prefix may be used to match a sha256 identifier
// within a list of trusted identifiers.
ShortIdentifierRegexp = match(`([a-f0-9]{6,64})`)
// anchoredIdentifierRegexp is used to check or match an
// identifier value, anchored at start and end of string.
anchoredIdentifierRegexp = anchored(IdentifierRegexp)
// anchoredShortIdentifierRegexp is used to check if a value
// is a possible identifier prefix, anchored at start and end
// of string.
anchoredShortIdentifierRegexp = anchored(ShortIdentifierRegexp)
)
// match compiles the string to a regular expression.
var match = regexp.MustCompile
// literal compiles s into a literal regular expression, escaping any regexp
// reserved characters.
func literal(s string) *regexp.Regexp {
re := match(regexp.QuoteMeta(s))
if _, complete := re.LiteralPrefix(); !complete {
panic("must be a literal")
}
return re
}
// expression defines a full expression, where each regular expression must
// follow the previous.
func expression(res ...*regexp.Regexp) *regexp.Regexp {
var s string
for _, re := range res {
s += re.String()
}
return match(s)
}
// optional wraps the expression in a non-capturing group and makes the
// production optional.
func optional(res ...*regexp.Regexp) *regexp.Regexp {
return match(group(expression(res...)).String() + `?`)
}
// repeated wraps the regexp in a non-capturing group to get one or more
// matches.
func repeated(res ...*regexp.Regexp) *regexp.Regexp {
return match(group(expression(res...)).String() + `+`)
}
// group wraps the regexp in a non-capturing group.
func group(res ...*regexp.Regexp) *regexp.Regexp {
return match(`(?:` + expression(res...).String() + `)`)
}
// capture wraps the expression in a capturing group.
func capture(res ...*regexp.Regexp) *regexp.Regexp {
return match(`(` + expression(res...).String() + `)`)
}
// anchored anchors the regular expression by adding start and end delimiters.
func anchored(res ...*regexp.Regexp) *regexp.Regexp {
return match(`^` + expression(res...).String() + `$`)
}

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@ -0,0 +1,50 @@
package reference
import (
"github.com/distribution/reference"
)
// DigestRegexp matches well-formed digests, including algorithm (e.g. "sha256:<encoded>").
//
// Deprecated: use [reference.DigestRegexp].
var DigestRegexp = reference.DigestRegexp
// DomainRegexp matches hostname or IP-addresses, optionally including a port
// number. It defines the structure of potential domain components that may be
// part of image names. This is purposely a subset of what is allowed by DNS to
// ensure backwards compatibility with Docker image names. It may be a subset of
// DNS domain name, an IPv4 address in decimal format, or an IPv6 address between
// square brackets (excluding zone identifiers as defined by [RFC 6874] or special
// addresses such as IPv4-Mapped).
//
// Deprecated: use [reference.DomainRegexp].
//
// [RFC 6874]: https://www.rfc-editor.org/rfc/rfc6874.
var DomainRegexp = reference.DigestRegexp
// IdentifierRegexp is the format for string identifier used as a
// content addressable identifier using sha256. These identifiers
// are like digests without the algorithm, since sha256 is used.
//
// Deprecated: use [reference.IdentifierRegexp].
var IdentifierRegexp = reference.IdentifierRegexp
// NameRegexp is the format for the name component of references, including
// an optional domain and port, but without tag or digest suffix.
//
// Deprecated: use [reference.NameRegexp].
var NameRegexp = reference.NameRegexp
// ReferenceRegexp is the full supported format of a reference. The regexp
// is anchored and has capturing groups for name, tag, and digest
// components.
//
// Deprecated: use [reference.ReferenceRegexp].
var ReferenceRegexp = reference.ReferenceRegexp
// TagRegexp matches valid tag names. From [docker/docker:graph/tags.go].
//
// Deprecated: use [reference.TagRegexp].
//
// [docker/docker:graph/tags.go]: https://github.com/moby/moby/blob/v1.6.0/graph/tags.go#L26-L28
var TagRegexp = reference.TagRegexp

View file

@ -0,0 +1,10 @@
package reference
import "github.com/distribution/reference"
// Sort sorts string references preferring higher information references.
//
// Deprecated: use [reference.Sort].
func Sort(references []string) []string {
return reference.Sort(references)
}

View file

@ -3,7 +3,7 @@ package distribution
import ( import (
"context" "context"
"github.com/docker/distribution/reference" "github.com/distribution/reference"
) )
// Scope defines the set of items that match a namespace. // Scope defines the set of items that match a namespace.

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@ -4,7 +4,7 @@ import (
"net/http" "net/http"
"regexp" "regexp"
"github.com/docker/distribution/reference" "github.com/distribution/reference"
"github.com/docker/distribution/registry/api/errcode" "github.com/docker/distribution/registry/api/errcode"
"github.com/opencontainers/go-digest" "github.com/opencontainers/go-digest"
) )

View file

@ -6,7 +6,7 @@ import (
"net/url" "net/url"
"strings" "strings"
"github.com/docker/distribution/reference" "github.com/distribution/reference"
"github.com/gorilla/mux" "github.com/gorilla/mux"
) )

View file

@ -42,6 +42,8 @@ func (hbu *httpBlobUpload) ReadFrom(r io.Reader) (n int64, err error) {
} }
defer req.Body.Close() defer req.Body.Close()
req.Header.Set("Content-Type", "application/octet-stream")
resp, err := hbu.client.Do(req) resp, err := hbu.client.Do(req)
if err != nil { if err != nil {
return 0, err return 0, err

View file

@ -4,8 +4,8 @@ import (
"encoding/json" "encoding/json"
"errors" "errors"
"fmt" "fmt"
"io"
"io/ioutil" "io/ioutil"
"mime"
"net/http" "net/http"
"github.com/docker/distribution/registry/api/errcode" "github.com/docker/distribution/registry/api/errcode"
@ -38,13 +38,29 @@ func (e *UnexpectedHTTPResponseError) Error() string {
return fmt.Sprintf("error parsing HTTP %d response body: %s: %q", e.StatusCode, e.ParseErr.Error(), string(e.Response)) return fmt.Sprintf("error parsing HTTP %d response body: %s: %q", e.StatusCode, e.ParseErr.Error(), string(e.Response))
} }
func parseHTTPErrorResponse(statusCode int, r io.Reader) error { func parseHTTPErrorResponse(resp *http.Response) error {
var errors errcode.Errors var errors errcode.Errors
body, err := ioutil.ReadAll(r) body, err := ioutil.ReadAll(resp.Body)
if err != nil { if err != nil {
return err return err
} }
statusCode := resp.StatusCode
ctHeader := resp.Header.Get("Content-Type")
if ctHeader == "" {
return makeError(statusCode, string(body))
}
contentType, _, err := mime.ParseMediaType(ctHeader)
if err != nil {
return fmt.Errorf("failed parsing content-type: %w", err)
}
if contentType != "application/json" && contentType != "application/vnd.api+json" {
return makeError(statusCode, string(body))
}
// For backward compatibility, handle irregularly formatted // For backward compatibility, handle irregularly formatted
// messages that contain a "details" field. // messages that contain a "details" field.
var detailsErr struct { var detailsErr struct {
@ -52,16 +68,7 @@ func parseHTTPErrorResponse(statusCode int, r io.Reader) error {
} }
err = json.Unmarshal(body, &detailsErr) err = json.Unmarshal(body, &detailsErr)
if err == nil && detailsErr.Details != "" { if err == nil && detailsErr.Details != "" {
switch statusCode { return makeError(statusCode, detailsErr.Details)
case http.StatusUnauthorized:
return errcode.ErrorCodeUnauthorized.WithMessage(detailsErr.Details)
case http.StatusForbidden:
return errcode.ErrorCodeDenied.WithMessage(detailsErr.Details)
case http.StatusTooManyRequests:
return errcode.ErrorCodeTooManyRequests.WithMessage(detailsErr.Details)
default:
return errcode.ErrorCodeUnknown.WithMessage(detailsErr.Details)
}
} }
if err := json.Unmarshal(body, &errors); err != nil { if err := json.Unmarshal(body, &errors); err != nil {
@ -85,6 +92,19 @@ func parseHTTPErrorResponse(statusCode int, r io.Reader) error {
return errors return errors
} }
func makeError(statusCode int, details string) error {
switch statusCode {
case http.StatusUnauthorized:
return errcode.ErrorCodeUnauthorized.WithMessage(details)
case http.StatusForbidden:
return errcode.ErrorCodeDenied.WithMessage(details)
case http.StatusTooManyRequests:
return errcode.ErrorCodeTooManyRequests.WithMessage(details)
default:
return errcode.ErrorCodeUnknown.WithMessage(details)
}
}
func makeErrorList(err error) []error { func makeErrorList(err error) []error {
if errL, ok := err.(errcode.Errors); ok { if errL, ok := err.(errcode.Errors); ok {
return []error(errL) return []error(errL)
@ -121,11 +141,10 @@ func HandleErrorResponse(resp *http.Response) error {
} else { } else {
err.Message = err.Code.Message() err.Message = err.Code.Message()
} }
return mergeErrors(err, parseHTTPErrorResponse(resp))
return mergeErrors(err, parseHTTPErrorResponse(resp.StatusCode, resp.Body))
} }
} }
err := parseHTTPErrorResponse(resp.StatusCode, resp.Body) err := parseHTTPErrorResponse(resp)
if uErr, ok := err.(*UnexpectedHTTPResponseError); ok && resp.StatusCode == 401 { if uErr, ok := err.(*UnexpectedHTTPResponseError); ok && resp.StatusCode == 401 {
return errcode.ErrorCodeUnauthorized.WithDetail(uErr.Response) return errcode.ErrorCodeUnauthorized.WithDetail(uErr.Response)
} }

View file

@ -14,8 +14,8 @@ import (
"strings" "strings"
"time" "time"
"github.com/distribution/reference"
"github.com/docker/distribution" "github.com/docker/distribution"
"github.com/docker/distribution/reference"
v2 "github.com/docker/distribution/registry/api/v2" v2 "github.com/docker/distribution/registry/api/v2"
"github.com/docker/distribution/registry/client/transport" "github.com/docker/distribution/registry/client/transport"
"github.com/docker/distribution/registry/storage/cache" "github.com/docker/distribution/registry/storage/cache"

View file

@ -4,8 +4,8 @@ import (
"context" "context"
"sync" "sync"
"github.com/distribution/reference"
"github.com/docker/distribution" "github.com/docker/distribution"
"github.com/docker/distribution/reference"
"github.com/docker/distribution/registry/storage/cache" "github.com/docker/distribution/registry/storage/cache"
"github.com/opencontainers/go-digest" "github.com/opencontainers/go-digest"
) )

View file

@ -9,6 +9,7 @@ github.com/bugsnag/osext 0dd3f918b21bec95ace9dc86c7e70266cfc5c702
github.com/bugsnag/panicwrap e2c28503fcd0675329da73bf48b33404db873782 github.com/bugsnag/panicwrap e2c28503fcd0675329da73bf48b33404db873782
github.com/denverdino/aliyungo afedced274aa9a7fcdd47ac97018f0f8db4e5de2 github.com/denverdino/aliyungo afedced274aa9a7fcdd47ac97018f0f8db4e5de2
github.com/dgrijalva/jwt-go 4bbdd8ac624fc7a9ef7aec841c43d99b5fe65a29 https://github.com/golang-jwt/jwt.git # v3.2.2 github.com/dgrijalva/jwt-go 4bbdd8ac624fc7a9ef7aec841c43d99b5fe65a29 https://github.com/golang-jwt/jwt.git # v3.2.2
github.com/distribution/reference 49c28499d219290c3226822e9cfcd4ede6d75379 # v0.5.0
github.com/docker/go-metrics 399ea8c73916000c64c2c76e8da00ca82f8387ab github.com/docker/go-metrics 399ea8c73916000c64c2c76e8da00ca82f8387ab
github.com/docker/libtrust fa567046d9b14f6aa788882a950d69651d230b21 github.com/docker/libtrust fa567046d9b14f6aa788882a950d69651d230b21
github.com/garyburd/redigo 535138d7bcd717d6531c701ef5933d98b1866257 github.com/garyburd/redigo 535138d7bcd717d6531c701ef5933d98b1866257
@ -47,5 +48,5 @@ gopkg.in/check.v1 64131543e7896d5bcc6bd5a76287eb75ea96c673
gopkg.in/square/go-jose.v1 40d457b439244b546f023d056628e5184136899b gopkg.in/square/go-jose.v1 40d457b439244b546f023d056628e5184136899b
gopkg.in/yaml.v2 v2.2.1 gopkg.in/yaml.v2 v2.2.1
rsc.io/letsencrypt e770c10b0f1a64775ae91d240407ce00d1a5bdeb https://github.com/dmcgowan/letsencrypt.git rsc.io/letsencrypt e770c10b0f1a64775ae91d240407ce00d1a5bdeb https://github.com/dmcgowan/letsencrypt.git
github.com/opencontainers/go-digest a6d0ee40d4207ea02364bd3b9e8e77b9159ba1eb github.com/opencontainers/go-digest ea51bea511f75cfa3ef6098cc253c5c3609b037a # v1.0.0
github.com/opencontainers/image-spec 67d2d5658fe0476ab9bf414cec164077ebff3920 # v1.0.2 github.com/opencontainers/image-spec 67d2d5658fe0476ab9bf414cec164077ebff3920 # v1.0.2

3
vendor/modules.txt vendored
View file

@ -421,10 +421,9 @@ github.com/dimchansky/utfbom
# github.com/distribution/reference v0.5.0 # github.com/distribution/reference v0.5.0
## explicit; go 1.20 ## explicit; go 1.20
github.com/distribution/reference github.com/distribution/reference
# github.com/docker/distribution v2.8.2+incompatible # github.com/docker/distribution v2.8.3+incompatible
## explicit ## explicit
github.com/docker/distribution github.com/docker/distribution
github.com/docker/distribution/digestset
github.com/docker/distribution/manifest github.com/docker/distribution/manifest
github.com/docker/distribution/manifest/manifestlist github.com/docker/distribution/manifest/manifestlist
github.com/docker/distribution/manifest/ocischema github.com/docker/distribution/manifest/ocischema