Update to provide small and clear interfaces
Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)
This commit is contained in:
Derek McGowan
parent
f8c09b6a7d
commit
31a448a628
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@ -7,11 +7,13 @@
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//
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// // repository.go
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// repository := hostname ['/' component]+
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// hostname := component [':' port-number]
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// hostname := hostcomponent [':' port-number]
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// component := alpha-numeric [separator alpha-numeric]*
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// hostcomponent := [hostpart '.']* hostpart
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// alpha-numeric := /[a-zA-Z0-9]+/
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// separator := /[._-]/
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// separator := /[_-]/
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// port-number := /[0-9]+/
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// hostpart := /([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9-]*[a-zA-Z0-9])/
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//
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// // tag.go
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// tag := /[\w][\w.-]{0,127}/
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@ -20,167 +22,224 @@
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// digest := digest-algorithm ":" digest-hex
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// digest-algorithm := digest-algorithm-component [ digest-algorithm-separator digest-algorithm-component ]
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// digest-algorithm-separator := /[+.-_]/
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// digest-algorithm-component := /[A-Za-z]/ /[A-Za-z0-9]*/
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// digest-hex := /[A-Za-z0-9_-]+/ ; supports hex bytes or url safe base64
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// digest-algorithm-component := /[A-Za-z][A-Za-z0-9]*/
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// digest-hex := /[0-9a-fA-F]{32,}/ ; Atleast 128 bit digest value
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package reference
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import (
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"errors"
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"regexp"
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"fmt"
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"github.com/docker/distribution/digest"
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)
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// ErrReferenceInvalidFormat represents an error while trying to parse a string as a reference.
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var ErrReferenceInvalidFormat = errors.New("invalid reference format")
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const (
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// NameTotalLengthMax is the maximum total number of characters in a repository name.
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NameTotalLengthMax = 255
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)
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// Reference abstracts types that reference images in a certain way.
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var (
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// ErrReferenceInvalidFormat represents an error while trying to parse a string as a reference.
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ErrReferenceInvalidFormat = errors.New("invalid reference format")
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// ErrNameEmpty is returned for empty, invalid repository names.
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ErrNameEmpty = errors.New("repository name must have at least one component")
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// ErrNameTooLong is returned when a repository name is longer than
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// RepositoryNameTotalLengthMax
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ErrNameTooLong = fmt.Errorf("repository name must not be more than %v characters", NameTotalLengthMax)
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)
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// Reference is an opaque object reference identifier that may include
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// modifiers such as a hostname, name, tag, and digest.
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type Reference interface {
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// Repository returns the repository part of a reference
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Repository() Repository
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// String returns the entire reference, including the repository part
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// String returns the full reference
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String() string
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}
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func parseHostname(s string) (hostname, tail string) {
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tail = s
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i := regexp.MustCompile(`^` + RepositoryNameHostnameRegexp.String()).FindStringIndex(s)
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if i == nil {
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return
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}
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return s[:i[1]], s[i[1]:]
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// Named is an object with a full name
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type Named interface {
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Name() string
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}
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func parseRepositoryName(s string) (repo, tail string) {
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tail = s
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i := regexp.MustCompile(`^/(?:` + RepositoryNameComponentRegexp.String() + `/)*` + RepositoryNameComponentRegexp.String()).FindStringIndex(s)
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if i == nil {
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return
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}
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return s[:i[1]], s[i[1]:]
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// Tagged is an object which has a tag
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type Tagged interface {
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Tag() string
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}
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func parseTag(s string) (tag Tag, tail string) {
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tail = s
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if len(s) == 0 || s[0] != ':' {
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return
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}
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tag, err := NewTag(s[1:])
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if err != nil {
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return
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}
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tail = s[len(tag)+1:]
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return
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// Digested is an object which has a digest
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// in which it can be referenced by
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type Digested interface {
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Digest() digest.Digest
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}
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func parseDigest(s string) (dgst digest.Digest, tail string) {
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tail = s
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if len(s) == 0 || s[0] != '@' {
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return
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// Canonical reference is an object with a fully unique
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// name including a name with hostname and digest
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type Canonical interface {
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Reference
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Named
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Digested
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}
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// SplitHostname splits a named reference into a
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// hostname and name string. If no valid hostname is
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// found, the hostname is empty and the full value
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// is returned as name
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func SplitHostname(named Named) (string, string) {
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name := named.Name()
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match := anchoredNameRegexp.FindStringSubmatch(name)
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if match == nil || len(match) != 3 {
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return "", name
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}
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dgst, err := digest.ParseDigest(s[1:])
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if err != nil {
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return
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}
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tail = s[len(dgst)+1:]
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return
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return match[1], match[2]
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}
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// Parse parses s and returns a syntactically valid Reference.
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// If an error was encountered it is returned, along with a nil Reference.
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// NOTE: Parse will not handle short digests.
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func Parse(s string) (Reference, error) {
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hostname, s := parseHostname(s)
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name, s := parseRepositoryName(s)
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repository := Repository{Hostname: hostname, Name: name}
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if err := repository.Validate(); err != nil {
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return nil, err
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}
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tag, s := parseTag(s)
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dgst, s := parseDigest(s)
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if len(s) > 0 {
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matches := ReferenceRegexp.FindStringSubmatch(s)
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if matches == nil {
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if s == "" {
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return nil, ErrNameEmpty
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}
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// TODO(dmcgowan): Provide more specific and helpful error
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return nil, ErrReferenceInvalidFormat
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}
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if dgst != "" {
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return DigestReference{repository: repository, digest: dgst, tag: tag}, nil
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if len(matches[1]) > NameTotalLengthMax {
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return nil, ErrNameTooLong
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}
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if tag != "" {
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return TagReference{repository: repository, tag: tag}, nil
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ref := reference{
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name: matches[1],
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tag: matches[2],
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}
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return nil, ErrReferenceInvalidFormat
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}
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// DigestReference represents a reference of the form `repository@sha256:deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef`.
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// Implements the Reference interface.
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type DigestReference struct {
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repository Repository
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digest digest.Digest
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tag Tag
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}
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// Repository returns the repository part.
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func (r DigestReference) Repository() Repository { return r.repository }
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// String returns the full string reference.
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func (r DigestReference) String() string {
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return r.repository.String() + "@" + string(r.digest)
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}
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// NewDigestReference returns an initialized DigestReference.
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func NewDigestReference(canonicalRepository string, digest digest.Digest, optionalTag Tag) (DigestReference, error) {
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ref := DigestReference{}
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repo, err := NewRepository(canonicalRepository)
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if err != nil {
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return ref, err
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}
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ref.repository = repo
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if err := digest.Validate(); err != nil {
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return ref, err
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}
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ref.digest = digest
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if len(optionalTag) > 0 {
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if err := optionalTag.Validate(); err != nil {
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return ref, err
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if matches[3] != "" {
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var err error
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ref.digest, err = digest.ParseDigest(matches[3])
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if err != nil {
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return nil, err
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}
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ref.tag = optionalTag
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}
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return ref, err
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}
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// TagReference represents a reference of the form `repository:tag`.
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// Implements the Reference interface.
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type TagReference struct {
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repository Repository
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tag Tag
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}
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// Repository returns the repository part.
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func (r TagReference) Repository() Repository { return r.repository }
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// String returns the full string reference.
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func (r TagReference) String() string {
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return r.repository.String() + ":" + string(r.tag)
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}
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// NewTagReference returns an initialized TagReference.
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func NewTagReference(canonicalRepository string, tagName string) (TagReference, error) {
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ref := TagReference{}
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repo, err := NewRepository(canonicalRepository)
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if err != nil {
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return ref, err
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r := getBestReferenceType(ref)
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if r == nil {
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return nil, ErrNameEmpty
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}
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ref.repository = repo
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tag, err := NewTag(tagName)
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if err != nil {
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return ref, err
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}
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ref.tag = tag
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return ref, err
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return r, nil
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}
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// ParseNamed parses the input string and returns a named
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// object representing the given string. If the input is
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// invalid ErrReferenceInvalidFormat will be returned.
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func ParseNamed(name string) (Named, error) {
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if !anchoredNameRegexp.MatchString(name) {
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return nil, ErrReferenceInvalidFormat
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}
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return repository(name), nil
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}
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func getBestReferenceType(ref reference) Reference {
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if ref.name == "" {
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// Allow digest only references
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if ref.digest != "" {
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return digestReference(ref.digest)
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}
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return nil
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}
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if ref.tag == "" {
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if ref.digest != "" {
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return canonicalReference{
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name: ref.name,
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digest: ref.digest,
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}
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}
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return repository(ref.name)
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}
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if ref.digest == "" {
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return taggedReference{
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name: ref.name,
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tag: ref.tag,
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}
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}
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return ref
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}
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type reference struct {
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name string
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tag string
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digest digest.Digest
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}
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func (r reference) String() string {
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return r.name + ":" + r.tag + "@" + r.digest.String()
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}
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func (r reference) Name() string {
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return r.name
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}
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func (r reference) Tag() string {
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return r.tag
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}
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func (r reference) Digest() digest.Digest {
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return r.digest
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}
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type repository string
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func (r repository) String() string {
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return string(r)
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}
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func (r repository) Name() string {
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return string(r)
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}
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type digestReference digest.Digest
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func (d digestReference) String() string {
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return d.String()
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}
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func (d digestReference) Digest() digest.Digest {
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return digest.Digest(d)
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}
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type taggedReference struct {
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name string
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tag string
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}
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func (t taggedReference) String() string {
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return t.name + ":" + t.tag
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}
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func (t taggedReference) Name() string {
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return t.name
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}
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func (t taggedReference) Tag() string {
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return t.tag
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}
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type canonicalReference struct {
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name string
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digest digest.Digest
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}
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func (c canonicalReference) String() string {
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return c.name + "@" + c.digest.String()
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}
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func (c canonicalReference) Name() string {
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return c.name
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}
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func (c canonicalReference) Digest() digest.Digest {
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return c.digest
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}
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@ -1,56 +1,267 @@
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package reference
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/*
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var refRegex = regexp.MustCompile(`^([a-z0-9]+(?:[-._][a-z0-9]+)*(?::[0-9]+(?:/[a-z0-9]+(?:[-._][a-z0-9]+)*)+|(?:/[a-z0-9]+(?:[-._][a-z0-9]+)*)+)?)(:[\w][\w.-]{0,127})?(@` + digest.DigestRegexp.String() + `)?$`)
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import (
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"strconv"
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"strings"
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"testing"
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func getRepo(s string) string {
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matches := refRegex.FindStringSubmatch(s)
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if len(matches) == 0 {
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return ""
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"github.com/docker/distribution/digest"
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)
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func TestReferenceParse(t *testing.T) {
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// referenceTestcases is a unified set of testcases for
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// testing the parsing of references
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referenceTestcases := []struct {
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// input is the repository name or name component testcase
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input string
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// err is the error expected from Parse, or nil
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err error
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// repository is the string representation for the reference
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repository string
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// hostname is the hostname expected in the reference
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hostname string
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// tag is the tag for the reference
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tag string
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// digest is the digest for the reference (enforces digest reference)
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digest string
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}{
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{
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input: "test_com",
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repository: "test_com",
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},
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{
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input: "test.com:tag",
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repository: "test.com",
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tag: "tag",
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},
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{
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input: "test.com:5000",
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repository: "test.com",
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tag: "5000",
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},
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{
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input: "test.com/repo:tag",
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hostname: "test.com",
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repository: "test.com/repo",
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tag: "tag",
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},
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{
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input: "test:5000/repo",
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hostname: "test:5000",
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repository: "test:5000/repo",
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},
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{
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input: "test:5000/repo:tag",
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hostname: "test:5000",
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repository: "test:5000/repo",
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tag: "tag",
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},
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{
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input: "test:5000/repo@sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
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hostname: "test:5000",
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repository: "test:5000/repo",
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digest: "sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
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},
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{
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input: "test:5000/repo:tag@sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
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hostname: "test:5000",
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repository: "test:5000/repo",
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tag: "tag",
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digest: "sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
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},
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{
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input: "test:5000/repo",
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hostname: "test:5000",
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repository: "test:5000/repo",
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},
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{
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input: "",
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err: ErrNameEmpty,
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},
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{
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input: ":justtag",
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err: ErrReferenceInvalidFormat,
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},
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{
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input: "@sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
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err: ErrReferenceInvalidFormat,
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},
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{
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input: "validname@invaliddigest:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
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err: digest.ErrDigestUnsupported,
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},
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{
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input: strings.Repeat("a/", 128) + "a:tag",
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err: ErrNameTooLong,
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},
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{
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input: strings.Repeat("a/", 127) + "a:tag-puts-this-over-max",
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hostname: "a",
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repository: strings.Repeat("a/", 127) + "a",
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tag: "tag-puts-this-over-max",
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},
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{
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input: "aa/asdf$$^/aa",
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err: ErrReferenceInvalidFormat,
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},
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{
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input: "sub-dom1.foo.com/bar/baz/quux",
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hostname: "sub-dom1.foo.com",
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repository: "sub-dom1.foo.com/bar/baz/quux",
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},
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{
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input: "sub-dom1.foo.com/bar/baz/quux:some-long-tag",
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hostname: "sub-dom1.foo.com",
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repository: "sub-dom1.foo.com/bar/baz/quux",
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tag: "some-long-tag",
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},
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{
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input: "b.gcr.io/test.example.com/my-app:test.example.com",
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hostname: "b.gcr.io",
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repository: "b.gcr.io/test.example.com/my-app",
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tag: "test.example.com",
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},
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{
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input: "xn--n3h.com/myimage:xn--n3h.com", // ☃.com in punycode
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hostname: "xn--n3h.com",
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repository: "xn--n3h.com/myimage",
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tag: "xn--n3h.com",
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},
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{
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input: "xn--7o8h.com/myimage:xn--7o8h.com@sha512:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", // 🐳.com in punycode
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hostname: "xn--7o8h.com",
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repository: "xn--7o8h.com/myimage",
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tag: "xn--7o8h.com",
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digest: "sha512:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
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},
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{
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||||
input: "foo_bar.com:8080",
|
||||
repository: "foo_bar.com",
|
||||
tag: "8080",
|
||||
},
|
||||
{
|
||||
input: "foo/foo_bar.com:8080",
|
||||
hostname: "foo",
|
||||
repository: "foo/foo_bar.com",
|
||||
tag: "8080",
|
||||
},
|
||||
}
|
||||
return matches[1]
|
||||
}
|
||||
for _, testcase := range referenceTestcases {
|
||||
failf := func(format string, v ...interface{}) {
|
||||
t.Logf(strconv.Quote(testcase.input)+": "+format, v...)
|
||||
t.Fail()
|
||||
}
|
||||
|
||||
func testRepository(prefix string) error {
|
||||
for _, s := range []string{
|
||||
prefix + `@sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff`,
|
||||
prefix + `:frozen@sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff`,
|
||||
prefix + `:latest`,
|
||||
prefix,
|
||||
} {
|
||||
expected := getRepo(s)
|
||||
ref, err := Parse(s)
|
||||
if err != nil {
|
||||
if expected == "" {
|
||||
continue
|
||||
repo, err := Parse(testcase.input)
|
||||
if testcase.err != nil {
|
||||
if err == nil {
|
||||
failf("missing expected error: %v", testcase.err)
|
||||
} else if testcase.err != err {
|
||||
failf("mismatched error: got %v, expected %v", err, testcase.err)
|
||||
}
|
||||
return err
|
||||
continue
|
||||
} else if err != nil {
|
||||
failf("unexpected parse error: %v", err)
|
||||
continue
|
||||
}
|
||||
if repo := ref.Repository(); repo.String() != expected {
|
||||
return fmt.Errorf("repository string: expected %q, got: %q", expected, repo)
|
||||
if repo.String() != testcase.input {
|
||||
failf("mismatched repo: got %q, expected %q", repo.String(), testcase.input)
|
||||
}
|
||||
|
||||
if named, ok := repo.(Named); ok {
|
||||
if named.Name() != testcase.repository {
|
||||
failf("unexpected repository: got %q, expected %q", named.Name(), testcase.repository)
|
||||
}
|
||||
hostname, _ := SplitHostname(named)
|
||||
if hostname != testcase.hostname {
|
||||
failf("unexpected hostname: got %q, expected %q", hostname, testcase.hostname)
|
||||
}
|
||||
} else if testcase.repository != "" || testcase.hostname != "" {
|
||||
failf("expected named type, got %T", repo)
|
||||
}
|
||||
|
||||
tagged, ok := repo.(Tagged)
|
||||
if testcase.tag != "" {
|
||||
if ok {
|
||||
if tagged.Tag() != testcase.tag {
|
||||
failf("unexpected tag: got %q, expected %q", tagged.Tag(), testcase.tag)
|
||||
}
|
||||
} else {
|
||||
failf("expected tagged type, got %T", repo)
|
||||
}
|
||||
} else if ok {
|
||||
failf("unexpected tagged type")
|
||||
}
|
||||
|
||||
digested, ok := repo.(Digested)
|
||||
if testcase.digest != "" {
|
||||
if ok {
|
||||
if digested.Digest().String() != testcase.digest {
|
||||
failf("unexpected digest: got %q, expected %q", digested.Digest().String(), testcase.digest)
|
||||
}
|
||||
} else {
|
||||
failf("expected digested type, got %T", repo)
|
||||
}
|
||||
} else if ok {
|
||||
failf("unexpected digested type")
|
||||
}
|
||||
if refStr := ref.String(); refStr != s {
|
||||
return fmt.Errorf("reference string: expected %q, got: %q", s, refStr)
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func TestSimpleRepository(t *testing.T) {
|
||||
if err := testRepository(`busybox`); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
}
|
||||
|
||||
func TestUrlRepository(t *testing.T) {
|
||||
if err := testRepository(`docker.io/library/busybox`); err != nil {
|
||||
t.Fatal(err)
|
||||
func TestSplitHostname(t *testing.T) {
|
||||
testcases := []struct {
|
||||
input string
|
||||
hostname string
|
||||
name string
|
||||
}{
|
||||
{
|
||||
input: "test.com/foo",
|
||||
hostname: "test.com",
|
||||
name: "foo",
|
||||
},
|
||||
{
|
||||
input: "test_com/foo",
|
||||
hostname: "",
|
||||
name: "test_com/foo",
|
||||
},
|
||||
{
|
||||
input: "test:8080/foo",
|
||||
hostname: "test:8080",
|
||||
name: "foo",
|
||||
},
|
||||
{
|
||||
input: "test.com:8080/foo",
|
||||
hostname: "test.com:8080",
|
||||
name: "foo",
|
||||
},
|
||||
{
|
||||
input: "test-com:8080/foo",
|
||||
hostname: "test-com:8080",
|
||||
name: "foo",
|
||||
},
|
||||
{
|
||||
input: "xn--n3h.com:18080/foo",
|
||||
hostname: "xn--n3h.com:18080",
|
||||
name: "foo",
|
||||
},
|
||||
}
|
||||
}
|
||||
for _, testcase := range testcases {
|
||||
failf := func(format string, v ...interface{}) {
|
||||
t.Logf(strconv.Quote(testcase.input)+": "+format, v...)
|
||||
t.Fail()
|
||||
}
|
||||
|
||||
func TestPort(t *testing.T) {
|
||||
if err := testRepository(`busybox:1234`); err != nil {
|
||||
t.Fatal(err)
|
||||
named, err := ParseNamed(testcase.input)
|
||||
if err != nil {
|
||||
failf("error parsing name: %s", err)
|
||||
}
|
||||
hostname, name := SplitHostname(named)
|
||||
if hostname != testcase.hostname {
|
||||
failf("unexpected hostname: got %q, expected %q", hostname, testcase.hostname)
|
||||
}
|
||||
if name != testcase.name {
|
||||
failf("unexpected name: got %q, expected %q", name, testcase.name)
|
||||
}
|
||||
}
|
||||
}
|
||||
*/
|
||||
|
|
|
|||
|
|
@ -0,0 +1,37 @@
|
|||
package reference
|
||||
|
||||
import "regexp"
|
||||
|
||||
var (
|
||||
// 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, dash or underscore.
|
||||
nameComponentRegexp = regexp.MustCompile(`[a-zA-Z0-9]+(?:[._-][a-z0-9]+)*`)
|
||||
|
||||
nameRegexp = regexp.MustCompile(`(?:` + nameComponentRegexp.String() + `/)*` + nameComponentRegexp.String())
|
||||
|
||||
hostnameComponentRegexp = regexp.MustCompile(`(?:[a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9-]*[a-zA-Z0-9])`)
|
||||
|
||||
// hostnameComponentRegexp restricts the registry hostname component of a repository name to
|
||||
// start with a component as defined by hostnameRegexp and followed by an optional port.
|
||||
hostnameRegexp = regexp.MustCompile(`(?:` + hostnameComponentRegexp.String() + `\.)*` + hostnameComponentRegexp.String() + `(?::[0-9]+)?`)
|
||||
|
||||
// TagRegexp matches valid tag names. From docker/docker:graph/tags.go.
|
||||
TagRegexp = regexp.MustCompile(`[\w][\w.-]{0,127}`)
|
||||
|
||||
// anchoredTagRegexp matches valid tag names, anchored at the start and
|
||||
// end of the matched string.
|
||||
anchoredTagRegexp = regexp.MustCompile(`^` + TagRegexp.String() + `$`)
|
||||
|
||||
// NameRegexp is the format for the name component of references. The
|
||||
// regexp has capturing groups for the hostname and name part omitting
|
||||
// the seperating forward slash from either.
|
||||
NameRegexp = regexp.MustCompile(`(?:` + hostnameRegexp.String() + `/)?` + nameRegexp.String())
|
||||
|
||||
// ReferenceRegexp is the full supported format of a reference. The
|
||||
// regexp has capturing groups for name, tag, and digest components.
|
||||
ReferenceRegexp = regexp.MustCompile(`^((?:` + hostnameRegexp.String() + `/)?` + nameRegexp.String() + `)(?:[:](` + TagRegexp.String() + `))?(?:[@]([A-Za-z][A-Za-z0-9]*(?:[-_+.][A-Za-z][A-Za-z0-9]*)*[:][[:xdigit:]]{32,}))?$`)
|
||||
|
||||
// anchoredNameRegexp is used to parse a name value, capturing hostname
|
||||
anchoredNameRegexp = regexp.MustCompile(`^(?:(` + hostnameRegexp.String() + `)/)?(` + nameRegexp.String() + `)$`)
|
||||
)
|
||||
|
|
@ -0,0 +1,398 @@
|
|||
package reference
|
||||
|
||||
import (
|
||||
"regexp"
|
||||
"strings"
|
||||
"testing"
|
||||
)
|
||||
|
||||
type regexpMatch struct {
|
||||
input string
|
||||
match bool
|
||||
subs []string
|
||||
}
|
||||
|
||||
func checkRegexp(t *testing.T, r *regexp.Regexp, m regexpMatch) {
|
||||
matches := r.FindStringSubmatch(m.input)
|
||||
if m.match && matches != nil {
|
||||
if len(matches) != (r.NumSubexp()+1) || matches[0] != m.input {
|
||||
t.Fatalf("Bad match result: %#v", matches)
|
||||
}
|
||||
if len(matches) < (len(m.subs) + 1) {
|
||||
t.Errorf("Expected %d sub matches, only have %d", len(m.subs), len(matches)-1)
|
||||
}
|
||||
for i := range m.subs {
|
||||
if m.subs[i] != matches[i+1] {
|
||||
t.Errorf("Unexpected submatch %d: %q, expected %q", i+1, matches[i+1], m.subs[i])
|
||||
}
|
||||
}
|
||||
} else if m.match {
|
||||
t.Errorf("Expected match for %q", m.input)
|
||||
} else if matches != nil {
|
||||
t.Errorf("Unexpected match for %q", m.input)
|
||||
}
|
||||
}
|
||||
|
||||
func TestHostRegexp(t *testing.T) {
|
||||
hostcases := []regexpMatch{
|
||||
{
|
||||
input: "test.com",
|
||||
match: true,
|
||||
},
|
||||
{
|
||||
input: "test.com:10304",
|
||||
match: true,
|
||||
},
|
||||
{
|
||||
input: "test.com:http",
|
||||
match: false,
|
||||
},
|
||||
{
|
||||
input: "localhost",
|
||||
match: true,
|
||||
},
|
||||
{
|
||||
input: "localhost:8080",
|
||||
match: true,
|
||||
},
|
||||
{
|
||||
input: "a",
|
||||
match: true,
|
||||
},
|
||||
{
|
||||
input: "a.b",
|
||||
match: true,
|
||||
},
|
||||
{
|
||||
input: "ab.cd.com",
|
||||
match: true,
|
||||
},
|
||||
{
|
||||
input: "a-b.com",
|
||||
match: true,
|
||||
},
|
||||
{
|
||||
input: "-ab.com",
|
||||
match: false,
|
||||
},
|
||||
{
|
||||
input: "ab-.com",
|
||||
match: false,
|
||||
},
|
||||
{
|
||||
input: "ab.c-om",
|
||||
match: true,
|
||||
},
|
||||
{
|
||||
input: "ab.-com",
|
||||
match: false,
|
||||
},
|
||||
{
|
||||
input: "ab.com-",
|
||||
match: false,
|
||||
},
|
||||
{
|
||||
input: "0101.com",
|
||||
match: true, // TODO(dmcgowan): valid if this should be allowed
|
||||
},
|
||||
{
|
||||
input: "001a.com",
|
||||
match: true,
|
||||
},
|
||||
{
|
||||
input: "b.gbc.io:443",
|
||||
match: true,
|
||||
},
|
||||
{
|
||||
input: "b.gbc.io",
|
||||
match: true,
|
||||
},
|
||||
{
|
||||
input: "xn--n3h.com", // ☃.com in punycode
|
||||
match: true,
|
||||
},
|
||||
}
|
||||
r := regexp.MustCompile(`^` + hostnameRegexp.String() + `$`)
|
||||
for i := range hostcases {
|
||||
checkRegexp(t, r, hostcases[i])
|
||||
}
|
||||
}
|
||||
|
||||
func TestFullNameRegexp(t *testing.T) {
|
||||
testcases := []regexpMatch{
|
||||
{
|
||||
input: "",
|
||||
match: false,
|
||||
},
|
||||
{
|
||||
input: "short",
|
||||
match: true,
|
||||
subs: []string{"", "short"},
|
||||
},
|
||||
{
|
||||
input: "simple/name",
|
||||
match: true,
|
||||
subs: []string{"simple", "name"},
|
||||
},
|
||||
{
|
||||
input: "library/ubuntu",
|
||||
match: true,
|
||||
subs: []string{"library", "ubuntu"},
|
||||
},
|
||||
{
|
||||
input: "docker/stevvooe/app",
|
||||
match: true,
|
||||
subs: []string{"docker", "stevvooe/app"},
|
||||
},
|
||||
{
|
||||
input: "aa/aa/aa/aa/aa/aa/aa/aa/aa/bb/bb/bb/bb/bb/bb",
|
||||
match: true,
|
||||
subs: []string{"aa", "aa/aa/aa/aa/aa/aa/aa/aa/bb/bb/bb/bb/bb/bb"},
|
||||
},
|
||||
{
|
||||
input: "aa/aa/bb/bb/bb",
|
||||
match: true,
|
||||
subs: []string{"aa", "aa/bb/bb/bb"},
|
||||
},
|
||||
{
|
||||
input: "a/a/a/a",
|
||||
match: true,
|
||||
subs: []string{"a", "a/a/a"},
|
||||
},
|
||||
{
|
||||
input: "a/a/a/a/",
|
||||
match: false,
|
||||
},
|
||||
{
|
||||
input: "a//a/a",
|
||||
match: false,
|
||||
},
|
||||
{
|
||||
input: "a",
|
||||
match: true,
|
||||
subs: []string{"", "a"},
|
||||
},
|
||||
{
|
||||
input: "a/aa",
|
||||
match: true,
|
||||
subs: []string{"a", "aa"},
|
||||
},
|
||||
{
|
||||
input: "a/aa/a",
|
||||
match: true,
|
||||
subs: []string{"a", "aa/a"},
|
||||
},
|
||||
{
|
||||
input: "foo.com",
|
||||
match: true,
|
||||
subs: []string{"", "foo.com"},
|
||||
},
|
||||
{
|
||||
input: "foo.com/",
|
||||
match: false,
|
||||
},
|
||||
{
|
||||
input: "foo.com:8080/bar",
|
||||
match: true,
|
||||
subs: []string{"foo.com:8080", "bar"},
|
||||
},
|
||||
{
|
||||
input: "foo.com:http/bar",
|
||||
match: false,
|
||||
},
|
||||
{
|
||||
input: "foo.com/bar",
|
||||
match: true,
|
||||
subs: []string{"foo.com", "bar"},
|
||||
},
|
||||
{
|
||||
input: "foo.com/bar/baz",
|
||||
match: true,
|
||||
subs: []string{"foo.com", "bar/baz"},
|
||||
},
|
||||
{
|
||||
input: "localhost:8080/bar",
|
||||
match: true,
|
||||
subs: []string{"localhost:8080", "bar"},
|
||||
},
|
||||
{
|
||||
input: "sub-dom1.foo.com/bar/baz/quux",
|
||||
match: true,
|
||||
subs: []string{"sub-dom1.foo.com", "bar/baz/quux"},
|
||||
},
|
||||
{
|
||||
input: "blog.foo.com/bar/baz",
|
||||
match: true,
|
||||
subs: []string{"blog.foo.com", "bar/baz"},
|
||||
},
|
||||
{
|
||||
input: "a^a",
|
||||
match: false,
|
||||
},
|
||||
{
|
||||
input: "aa/asdf$$^/aa",
|
||||
match: false,
|
||||
},
|
||||
{
|
||||
input: "asdf$$^/aa",
|
||||
match: false,
|
||||
},
|
||||
{
|
||||
input: "aa-a/a",
|
||||
match: true,
|
||||
subs: []string{"aa-a", "a"},
|
||||
},
|
||||
{
|
||||
input: strings.Repeat("a/", 128) + "a",
|
||||
match: true,
|
||||
subs: []string{"a", strings.Repeat("a/", 127) + "a"},
|
||||
},
|
||||
{
|
||||
input: "a-/a/a/a",
|
||||
match: false,
|
||||
},
|
||||
{
|
||||
input: "foo.com/a-/a/a",
|
||||
match: false,
|
||||
},
|
||||
{
|
||||
input: "-foo/bar",
|
||||
match: false,
|
||||
},
|
||||
{
|
||||
input: "foo/bar-",
|
||||
match: false,
|
||||
},
|
||||
{
|
||||
input: "foo-/bar",
|
||||
match: false,
|
||||
},
|
||||
{
|
||||
input: "foo/-bar",
|
||||
match: false,
|
||||
},
|
||||
{
|
||||
input: "_foo/bar",
|
||||
match: false,
|
||||
},
|
||||
{
|
||||
input: "foo_bar",
|
||||
match: true,
|
||||
subs: []string{"", "foo_bar"},
|
||||
},
|
||||
{
|
||||
input: "foo_bar.com",
|
||||
match: true,
|
||||
subs: []string{"", "foo_bar.com"},
|
||||
},
|
||||
{
|
||||
input: "foo_bar.com:8080",
|
||||
match: false,
|
||||
},
|
||||
{
|
||||
input: "foo_bar.com:8080/app",
|
||||
match: false,
|
||||
},
|
||||
{
|
||||
input: "foo.com/foo_bar",
|
||||
match: true,
|
||||
subs: []string{"foo.com", "foo_bar"},
|
||||
},
|
||||
{
|
||||
input: "____/____",
|
||||
match: false,
|
||||
},
|
||||
{
|
||||
input: "_docker/_docker",
|
||||
match: false,
|
||||
},
|
||||
{
|
||||
input: "docker_/docker_",
|
||||
match: false,
|
||||
},
|
||||
{
|
||||
input: "b.gcr.io/test.example.com/my-app",
|
||||
match: true,
|
||||
subs: []string{"b.gcr.io", "test.example.com/my-app"},
|
||||
},
|
||||
{
|
||||
input: "xn--n3h.com/myimage", // ☃.com in punycode
|
||||
match: true,
|
||||
subs: []string{"xn--n3h.com", "myimage"},
|
||||
},
|
||||
{
|
||||
input: "xn--7o8h.com/myimage", // 🐳.com in punycode
|
||||
match: true,
|
||||
subs: []string{"xn--7o8h.com", "myimage"},
|
||||
},
|
||||
}
|
||||
for i := range testcases {
|
||||
checkRegexp(t, anchoredNameRegexp, testcases[i])
|
||||
}
|
||||
}
|
||||
|
||||
func TestReferenceRegexp(t *testing.T) {
|
||||
testcases := []regexpMatch{
|
||||
{
|
||||
input: "registry.com:8080/myapp:tag",
|
||||
match: true,
|
||||
subs: []string{"registry.com:8080/myapp", "tag", ""},
|
||||
},
|
||||
{
|
||||
input: "registry.com:8080/myapp@sha256:be178c0543eb17f5f3043021c9e5fcf30285e557a4fc309cce97ff9ca6182912",
|
||||
match: true,
|
||||
subs: []string{"registry.com:8080/myapp", "", "sha256:be178c0543eb17f5f3043021c9e5fcf30285e557a4fc309cce97ff9ca6182912"},
|
||||
},
|
||||
{
|
||||
input: "registry.com:8080/myapp:tag2@sha256:be178c0543eb17f5f3043021c9e5fcf30285e557a4fc309cce97ff9ca6182912",
|
||||
match: true,
|
||||
subs: []string{"registry.com:8080/myapp", "tag2", "sha256:be178c0543eb17f5f3043021c9e5fcf30285e557a4fc309cce97ff9ca6182912"},
|
||||
},
|
||||
{
|
||||
input: "registry.com:8080/myapp@sha256:badbadbadbad",
|
||||
match: false,
|
||||
},
|
||||
{
|
||||
input: "registry.com:8080/myapp:invalid~tag",
|
||||
match: false,
|
||||
},
|
||||
{
|
||||
input: "bad_hostname.com:8080/myapp:tag",
|
||||
match: false,
|
||||
},
|
||||
{
|
||||
input:// localhost treated as name, missing tag with 8080 as tag
|
||||
"localhost:8080@sha256:be178c0543eb17f5f3043021c9e5fcf30285e557a4fc309cce97ff9ca6182912",
|
||||
match: true,
|
||||
subs: []string{"localhost", "8080", "sha256:be178c0543eb17f5f3043021c9e5fcf30285e557a4fc309cce97ff9ca6182912"},
|
||||
},
|
||||
{
|
||||
input: "localhost:8080/name@sha256:be178c0543eb17f5f3043021c9e5fcf30285e557a4fc309cce97ff9ca6182912",
|
||||
match: true,
|
||||
subs: []string{"localhost:8080/name", "", "sha256:be178c0543eb17f5f3043021c9e5fcf30285e557a4fc309cce97ff9ca6182912"},
|
||||
},
|
||||
{
|
||||
input: "localhost:http/name@sha256:be178c0543eb17f5f3043021c9e5fcf30285e557a4fc309cce97ff9ca6182912",
|
||||
match: false,
|
||||
},
|
||||
{
|
||||
// localhost will be treated as an image name without a host
|
||||
input: "localhost@sha256:be178c0543eb17f5f3043021c9e5fcf30285e557a4fc309cce97ff9ca6182912",
|
||||
match: true,
|
||||
subs: []string{"localhost", "", "sha256:be178c0543eb17f5f3043021c9e5fcf30285e557a4fc309cce97ff9ca6182912"},
|
||||
},
|
||||
{
|
||||
input: "registry.com:8080/myapp@bad",
|
||||
match: false,
|
||||
},
|
||||
{
|
||||
input: "registry.com:8080/myapp@2bad",
|
||||
match: false, // TODO(dmcgowan): Support this as valid
|
||||
},
|
||||
}
|
||||
|
||||
for i := range testcases {
|
||||
checkRegexp(t, ReferenceRegexp, testcases[i])
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -1,136 +0,0 @@
|
|||
package reference
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"fmt"
|
||||
"regexp"
|
||||
"strings"
|
||||
)
|
||||
|
||||
const (
|
||||
// RepositoryNameTotalLengthMax is the maximum total number of characters in a repository name.
|
||||
RepositoryNameTotalLengthMax = 255
|
||||
)
|
||||
|
||||
// RepositoryNameComponentRegexp restricts registry path component names to
|
||||
// start with at least one letter or number, with following parts able to
|
||||
// be separated by one period, dash or underscore.
|
||||
var RepositoryNameComponentRegexp = regexp.MustCompile(`[a-zA-Z0-9]+(?:[._-][a-z0-9]+)*`)
|
||||
|
||||
// RepositoryNameComponentAnchoredRegexp is the version of
|
||||
// RepositoryNameComponentRegexp which must completely match the content
|
||||
var RepositoryNameComponentAnchoredRegexp = regexp.MustCompile(`^` + RepositoryNameComponentRegexp.String() + `$`)
|
||||
|
||||
// RepositoryNameHostnameRegexp restricts the registry hostname component of a repository name to
|
||||
// start with a component as defined by RepositoryNameComponentRegexp and followed by an optional port.
|
||||
var RepositoryNameHostnameRegexp = regexp.MustCompile(RepositoryNameComponentRegexp.String() + `(?::[0-9]+)?`)
|
||||
|
||||
// RepositoryNameHostnameAnchoredRegexp is the version of
|
||||
// RepositoryNameHostnameRegexp which must completely match the content.
|
||||
var RepositoryNameHostnameAnchoredRegexp = regexp.MustCompile(`^` + RepositoryNameHostnameRegexp.String() + `$`)
|
||||
|
||||
// RepositoryNameRegexp builds on RepositoryNameComponentRegexp to allow
|
||||
// multiple path components, separated by a forward slash.
|
||||
var RepositoryNameRegexp = regexp.MustCompile(`(?:` + RepositoryNameHostnameRegexp.String() + `/)?(?:` + RepositoryNameComponentRegexp.String() + `/)*` + RepositoryNameComponentRegexp.String())
|
||||
|
||||
var (
|
||||
// ErrRepositoryNameEmpty is returned for empty, invalid repository names.
|
||||
ErrRepositoryNameEmpty = errors.New("repository name must have at least one component")
|
||||
|
||||
// ErrRepositoryNameMissingHostname is returned when a repository name
|
||||
// does not start with a hostname
|
||||
ErrRepositoryNameMissingHostname = errors.New("repository name must start with a hostname")
|
||||
|
||||
// ErrRepositoryNameHostnameInvalid is returned when a repository name
|
||||
// does not match RepositoryNameHostnameRegexp
|
||||
ErrRepositoryNameHostnameInvalid = fmt.Errorf("repository name must match %q", RepositoryNameHostnameRegexp.String())
|
||||
|
||||
// ErrRepositoryNameLong is returned when a repository name is longer than
|
||||
// RepositoryNameTotalLengthMax
|
||||
ErrRepositoryNameLong = fmt.Errorf("repository name must not be more than %v characters", RepositoryNameTotalLengthMax)
|
||||
|
||||
// ErrRepositoryNameComponentInvalid is returned when a repository name does
|
||||
// not match RepositoryNameComponentRegexp
|
||||
ErrRepositoryNameComponentInvalid = fmt.Errorf("repository name component must match %q", RepositoryNameComponentRegexp.String())
|
||||
)
|
||||
|
||||
// Repository represents a reference to a Repository.
|
||||
type Repository struct {
|
||||
// Hostname refers to the registry hostname where the repository resides.
|
||||
Hostname string
|
||||
// Name is a slash (`/`) separated list of string components.
|
||||
Name string
|
||||
}
|
||||
|
||||
// String returns the string representation of a repository.
|
||||
func (r Repository) String() string {
|
||||
// Hostname is not supposed to be empty, but let's be nice.
|
||||
if len(r.Hostname) == 0 {
|
||||
return r.Name
|
||||
}
|
||||
return r.Hostname + "/" + r.Name
|
||||
}
|
||||
|
||||
// Validate ensures the repository name is valid for use in the
|
||||
// registry. This function accepts a superset of what might be accepted by
|
||||
// docker core or docker hub. If the name does not pass validation, an error,
|
||||
// describing the conditions, is returned.
|
||||
//
|
||||
// Effectively, the name should comply with the following grammar:
|
||||
//
|
||||
// repository := hostname ['/' component]+
|
||||
// hostname := component [':' port-number]
|
||||
// component := alpha-numeric [separator alpha-numeric]*
|
||||
// alpha-numeric := /[a-zA-Z0-9]+/
|
||||
// separator := /[._-]/
|
||||
// port-number := /[0-9]+/
|
||||
//
|
||||
// The result of the production should be limited to 255 characters.
|
||||
func (r Repository) Validate() error {
|
||||
n := len(r.String())
|
||||
switch {
|
||||
case n == 0:
|
||||
return ErrRepositoryNameEmpty
|
||||
case n > RepositoryNameTotalLengthMax:
|
||||
return ErrRepositoryNameLong
|
||||
case len(r.Hostname) <= 0:
|
||||
return ErrRepositoryNameMissingHostname
|
||||
case !RepositoryNameHostnameAnchoredRegexp.MatchString(r.Hostname):
|
||||
return ErrRepositoryNameHostnameInvalid
|
||||
}
|
||||
|
||||
components := r.Name
|
||||
for {
|
||||
var component string
|
||||
sep := strings.Index(components, "/")
|
||||
if sep >= 0 {
|
||||
component = components[:sep]
|
||||
components = components[sep+1:]
|
||||
} else { // if no more slashes
|
||||
component = components
|
||||
components = ""
|
||||
}
|
||||
if !RepositoryNameComponentAnchoredRegexp.MatchString(component) {
|
||||
return ErrRepositoryNameComponentInvalid
|
||||
}
|
||||
if sep < 0 {
|
||||
return nil
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// NewRepository returns a valid Repository from an input string representing
|
||||
// the canonical form of a repository name.
|
||||
// If the validation fails, an error is returned.
|
||||
func NewRepository(canonicalName string) (repo Repository, err error) {
|
||||
if len(canonicalName) == 0 {
|
||||
return repo, ErrRepositoryNameEmpty
|
||||
}
|
||||
i := strings.Index(canonicalName, "/")
|
||||
if i <= 0 {
|
||||
return repo, ErrRepositoryNameMissingHostname
|
||||
}
|
||||
repo.Hostname = canonicalName[:i]
|
||||
repo.Name = canonicalName[i+1:]
|
||||
return repo, repo.Validate()
|
||||
}
|
||||
|
|
@ -1,286 +0,0 @@
|
|||
package reference
|
||||
|
||||
import (
|
||||
"regexp"
|
||||
"strconv"
|
||||
"strings"
|
||||
"testing"
|
||||
)
|
||||
|
||||
var (
|
||||
// regexpTestcases is a unified set of testcases for
|
||||
// TestValidateRepositoryName and TestRepositoryNameRegexp.
|
||||
// Some of them are valid inputs for one and not the other.
|
||||
regexpTestcases = []struct {
|
||||
// input is the repository name or name component testcase
|
||||
input string
|
||||
// err is the error expected from ValidateRepositoryName, or nil
|
||||
err error
|
||||
// invalid should be true if the testcase is *not* expected to
|
||||
// match RepositoryNameRegexp
|
||||
invalid bool
|
||||
}{
|
||||
{
|
||||
input: "",
|
||||
err: ErrRepositoryNameEmpty,
|
||||
invalid: true,
|
||||
},
|
||||
{
|
||||
input: "short",
|
||||
err: ErrRepositoryNameMissingHostname,
|
||||
},
|
||||
{
|
||||
input: "simple/name",
|
||||
},
|
||||
{
|
||||
input: "library/ubuntu",
|
||||
},
|
||||
{
|
||||
input: "docker/stevvooe/app",
|
||||
},
|
||||
{
|
||||
input: "aa/aa/aa/aa/aa/aa/aa/aa/aa/bb/bb/bb/bb/bb/bb",
|
||||
},
|
||||
{
|
||||
input: "aa/aa/bb/bb/bb",
|
||||
},
|
||||
{
|
||||
input: "a/a/a/b/b",
|
||||
},
|
||||
{
|
||||
input: "a/a/a/a/",
|
||||
err: ErrRepositoryNameComponentInvalid,
|
||||
invalid: true,
|
||||
},
|
||||
{
|
||||
input: "a//a/a",
|
||||
err: ErrRepositoryNameComponentInvalid,
|
||||
invalid: true,
|
||||
},
|
||||
{
|
||||
input: "a",
|
||||
err: ErrRepositoryNameMissingHostname,
|
||||
},
|
||||
{
|
||||
input: "a/aa",
|
||||
},
|
||||
{
|
||||
input: "aa/a",
|
||||
},
|
||||
{
|
||||
input: "a/aa/a",
|
||||
},
|
||||
{
|
||||
input: "foo.com/",
|
||||
err: ErrRepositoryNameComponentInvalid,
|
||||
invalid: true,
|
||||
},
|
||||
{
|
||||
input: "foo.com:8080/bar",
|
||||
},
|
||||
{
|
||||
input: "foo.com/bar",
|
||||
},
|
||||
{
|
||||
input: "foo.com/bar/baz",
|
||||
},
|
||||
{
|
||||
input: "foo.com/bar/baz/quux",
|
||||
},
|
||||
{
|
||||
input: "blog.foo.com/bar/baz",
|
||||
},
|
||||
{
|
||||
input: "asdf",
|
||||
err: ErrRepositoryNameMissingHostname,
|
||||
},
|
||||
{
|
||||
input: "aa/asdf$$^/aa",
|
||||
err: ErrRepositoryNameComponentInvalid,
|
||||
invalid: true,
|
||||
},
|
||||
{
|
||||
input: "asdf$$^/aa",
|
||||
err: ErrRepositoryNameHostnameInvalid,
|
||||
invalid: true,
|
||||
},
|
||||
{
|
||||
input: "aa-a/aa",
|
||||
},
|
||||
{
|
||||
input: "aa/aa",
|
||||
},
|
||||
{
|
||||
input: "a-a/a-a",
|
||||
},
|
||||
{
|
||||
input: "a",
|
||||
err: ErrRepositoryNameMissingHostname,
|
||||
},
|
||||
{
|
||||
input: "a/image",
|
||||
},
|
||||
{
|
||||
input: "a-/a/a/a",
|
||||
err: ErrRepositoryNameHostnameInvalid,
|
||||
invalid: true,
|
||||
},
|
||||
{
|
||||
input: "a/a-/a/a/a",
|
||||
err: ErrRepositoryNameComponentInvalid,
|
||||
invalid: true,
|
||||
},
|
||||
{
|
||||
// total length = 255
|
||||
input: "a/" + strings.Repeat("a", 253),
|
||||
},
|
||||
{
|
||||
// total length = 256
|
||||
input: "b/" + strings.Repeat("a", 254),
|
||||
err: ErrRepositoryNameLong,
|
||||
},
|
||||
{
|
||||
input: "-foo/bar",
|
||||
err: ErrRepositoryNameHostnameInvalid,
|
||||
invalid: true,
|
||||
},
|
||||
{
|
||||
input: "foo/bar-",
|
||||
err: ErrRepositoryNameComponentInvalid,
|
||||
invalid: true,
|
||||
},
|
||||
{
|
||||
input: "foo-/bar",
|
||||
err: ErrRepositoryNameHostnameInvalid,
|
||||
invalid: true,
|
||||
},
|
||||
{
|
||||
input: "foo/-bar",
|
||||
err: ErrRepositoryNameComponentInvalid,
|
||||
invalid: true,
|
||||
},
|
||||
{
|
||||
input: "_foo/bar",
|
||||
err: ErrRepositoryNameHostnameInvalid,
|
||||
invalid: true,
|
||||
},
|
||||
{
|
||||
input: "foo/bar_",
|
||||
err: ErrRepositoryNameComponentInvalid,
|
||||
invalid: true,
|
||||
},
|
||||
{
|
||||
input: "____/____",
|
||||
err: ErrRepositoryNameHostnameInvalid,
|
||||
invalid: true,
|
||||
},
|
||||
{
|
||||
input: "_docker/_docker",
|
||||
err: ErrRepositoryNameHostnameInvalid,
|
||||
invalid: true,
|
||||
},
|
||||
{
|
||||
input: "docker_/docker_",
|
||||
err: ErrRepositoryNameHostnameInvalid,
|
||||
invalid: true,
|
||||
},
|
||||
{
|
||||
input: "do__cker/docker",
|
||||
err: ErrRepositoryNameComponentInvalid,
|
||||
invalid: true,
|
||||
},
|
||||
{
|
||||
input: "docker./docker",
|
||||
err: ErrRepositoryNameComponentInvalid,
|
||||
invalid: true,
|
||||
},
|
||||
{
|
||||
input: ".docker/docker",
|
||||
err: ErrRepositoryNameComponentInvalid,
|
||||
invalid: true,
|
||||
},
|
||||
{
|
||||
input: "do..cker/docker",
|
||||
err: ErrRepositoryNameComponentInvalid,
|
||||
invalid: true,
|
||||
},
|
||||
{
|
||||
input: "docker-/docker",
|
||||
err: ErrRepositoryNameComponentInvalid,
|
||||
invalid: true,
|
||||
},
|
||||
{
|
||||
input: "-docker/docker",
|
||||
err: ErrRepositoryNameComponentInvalid,
|
||||
},
|
||||
{
|
||||
input: "xn--n3h.com/myimage", // http://☃.com in punycode
|
||||
err: ErrRepositoryNameHostnameInvalid,
|
||||
invalid: true,
|
||||
},
|
||||
{
|
||||
input: "xn--7o8h.com/myimage", // http://🐳.com in punycode
|
||||
err: ErrRepositoryNameHostnameInvalid,
|
||||
invalid: true,
|
||||
},
|
||||
{
|
||||
input: "b.gcr.io/test.example.com/my-app", // embedded domain component
|
||||
},
|
||||
{
|
||||
input: "xn--n3h.com/myimage", // http://☃.com in punycode
|
||||
},
|
||||
{
|
||||
input: "xn--7o8h.com/myimage", // http://🐳.com in punycode
|
||||
},
|
||||
{
|
||||
input: "registry.io/foo/project--id.module--name.ver---sion--name", // image with hostname
|
||||
},
|
||||
}
|
||||
)
|
||||
|
||||
// TestValidateRepositoryName tests the ValidateRepositoryName function,
|
||||
// which uses RepositoryNameComponentAnchoredRegexp for validation
|
||||
func TestValidateRepositoryName(t *testing.T) {
|
||||
for _, testcase := range regexpTestcases {
|
||||
failf := func(format string, v ...interface{}) {
|
||||
t.Logf(strconv.Quote(testcase.input)+": "+format, v...)
|
||||
t.Fail()
|
||||
}
|
||||
|
||||
if _, err := NewRepository(testcase.input); err != testcase.err {
|
||||
if testcase.err != nil {
|
||||
if err != nil {
|
||||
failf("unexpected error for invalid repository: got %v, expected %v", err, testcase.err)
|
||||
} else {
|
||||
failf("expected invalid repository: %v", testcase.err)
|
||||
}
|
||||
} else {
|
||||
if err != nil {
|
||||
// Wrong error returned.
|
||||
failf("unexpected error validating repository name: %v, expected %v", err, testcase.err)
|
||||
} else {
|
||||
failf("unexpected error validating repository name: %v", err)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func TestRepositoryNameRegexp(t *testing.T) {
|
||||
AnchoredRepositoryNameRegexp := regexp.MustCompile(`^` + RepositoryNameRegexp.String() + `$`)
|
||||
for _, testcase := range regexpTestcases {
|
||||
failf := func(format string, v ...interface{}) {
|
||||
t.Logf(strconv.Quote(testcase.input)+": "+format, v...)
|
||||
t.Fail()
|
||||
}
|
||||
|
||||
matches := AnchoredRepositoryNameRegexp.MatchString(testcase.input)
|
||||
if matches == testcase.invalid {
|
||||
if testcase.invalid {
|
||||
failf("expected invalid repository name %s", testcase.input)
|
||||
} else {
|
||||
failf("expected valid repository name %s", testcase.input)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,38 +0,0 @@
|
|||
package reference
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"regexp"
|
||||
)
|
||||
|
||||
var (
|
||||
// TagRegexp matches valid tag names. From docker/docker:graph/tags.go.
|
||||
TagRegexp = regexp.MustCompile(`[\w][\w.-]{0,127}`)
|
||||
|
||||
// TagAnchoredRegexp matches valid tag names, anchored at the start and
|
||||
// end of the matched string.
|
||||
TagAnchoredRegexp = regexp.MustCompile(`^` + TagRegexp.String() + `$`)
|
||||
|
||||
// ErrTagInvalid is returned when a tag does not match TagAnchoredRegexp.
|
||||
ErrTagInvalid = fmt.Errorf("tag name must match %q", TagRegexp.String())
|
||||
)
|
||||
|
||||
// Tag represents an image's tag name.
|
||||
type Tag string
|
||||
|
||||
// NewTag returns a valid Tag from an input string s.
|
||||
// If the validation fails, an error is returned.
|
||||
func NewTag(s string) (Tag, error) {
|
||||
tag := Tag(s)
|
||||
return tag, tag.Validate()
|
||||
}
|
||||
|
||||
// Validate returns ErrTagInvalid if tag does not match TagAnchoredRegexp.
|
||||
//
|
||||
// tag := [\w][\w.-]{0,127}
|
||||
func (tag Tag) Validate() error {
|
||||
if !TagAnchoredRegexp.MatchString(string(tag)) {
|
||||
return ErrTagInvalid
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
|
@ -13,7 +13,7 @@ var (
|
|||
nameParameterDescriptor = ParameterDescriptor{
|
||||
Name: "name",
|
||||
Type: "string",
|
||||
Format: reference.RepositoryNameRegexp.String(),
|
||||
Format: reference.NameRegexp.String(),
|
||||
Required: true,
|
||||
Description: `Name of the target repository.`,
|
||||
}
|
||||
|
|
@ -390,7 +390,7 @@ var routeDescriptors = []RouteDescriptor{
|
|||
},
|
||||
{
|
||||
Name: RouteNameTags,
|
||||
Path: "/v2/{name:" + reference.RepositoryNameRegexp.String() + "}/tags/list",
|
||||
Path: "/v2/{name:" + reference.NameRegexp.String() + "}/tags/list",
|
||||
Entity: "Tags",
|
||||
Description: "Retrieve information about tags.",
|
||||
Methods: []MethodDescriptor{
|
||||
|
|
@ -518,7 +518,7 @@ var routeDescriptors = []RouteDescriptor{
|
|||
},
|
||||
{
|
||||
Name: RouteNameManifest,
|
||||
Path: "/v2/{name:" + reference.RepositoryNameRegexp.String() + "}/manifests/{reference:" + reference.TagRegexp.String() + "|" + digest.DigestRegexp.String() + "}",
|
||||
Path: "/v2/{name:" + reference.NameRegexp.String() + "}/manifests/{reference:" + reference.TagRegexp.String() + "|" + digest.DigestRegexp.String() + "}",
|
||||
Entity: "Manifest",
|
||||
Description: "Create, update, delete and retrieve manifests.",
|
||||
Methods: []MethodDescriptor{
|
||||
|
|
@ -783,7 +783,7 @@ var routeDescriptors = []RouteDescriptor{
|
|||
|
||||
{
|
||||
Name: RouteNameBlob,
|
||||
Path: "/v2/{name:" + reference.RepositoryNameRegexp.String() + "}/blobs/{digest:" + digest.DigestRegexp.String() + "}",
|
||||
Path: "/v2/{name:" + reference.NameRegexp.String() + "}/blobs/{digest:" + digest.DigestRegexp.String() + "}",
|
||||
Entity: "Blob",
|
||||
Description: "Operations on blobs identified by `name` and `digest`. Used to fetch or delete layers by digest.",
|
||||
Methods: []MethodDescriptor{
|
||||
|
|
@ -1007,7 +1007,7 @@ var routeDescriptors = []RouteDescriptor{
|
|||
|
||||
{
|
||||
Name: RouteNameBlobUpload,
|
||||
Path: "/v2/{name:" + reference.RepositoryNameRegexp.String() + "}/blobs/uploads/",
|
||||
Path: "/v2/{name:" + reference.NameRegexp.String() + "}/blobs/uploads/",
|
||||
Entity: "Initiate Blob Upload",
|
||||
Description: "Initiate a blob upload. This endpoint can be used to create resumable uploads or monolithic uploads.",
|
||||
Methods: []MethodDescriptor{
|
||||
|
|
@ -1129,7 +1129,7 @@ var routeDescriptors = []RouteDescriptor{
|
|||
|
||||
{
|
||||
Name: RouteNameBlobUploadChunk,
|
||||
Path: "/v2/{name:" + reference.RepositoryNameRegexp.String() + "}/blobs/uploads/{uuid:[a-zA-Z0-9-_.=]+}",
|
||||
Path: "/v2/{name:" + reference.NameRegexp.String() + "}/blobs/uploads/{uuid:[a-zA-Z0-9-_.=]+}",
|
||||
Entity: "Blob Upload",
|
||||
Description: "Interact with blob uploads. Clients should never assemble URLs for this endpoint and should only take it through the `Location` header on related API requests. The `Location` header and its parameters should be preserved by clients, using the latest value returned via upload related API calls.",
|
||||
Methods: []MethodDescriptor{
|
||||
|
|
|
|||
|
|
@ -170,6 +170,14 @@ func TestRouter(t *testing.T) {
|
|||
"name": "foo/bar/manifests",
|
||||
},
|
||||
},
|
||||
{
|
||||
RouteName: RouteNameManifest,
|
||||
RequestURI: "/v2/locahost:8080/foo/bar/baz/manifests/tag",
|
||||
Vars: map[string]string{
|
||||
"name": "locahost:8080/foo/bar/baz",
|
||||
"reference": "tag",
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
checkTestRouter(t, testCases, "", true)
|
||||
|
|
|
|||
|
|
@ -97,9 +97,9 @@ func (r *registry) Repositories(ctx context.Context, entries []string, last stri
|
|||
return numFilled, returnErr
|
||||
}
|
||||
|
||||
// NewRepository creates a new Repository for the given canonical repository name and base URL.
|
||||
func NewRepository(ctx context.Context, canonicalName, baseURL string, transport http.RoundTripper) (distribution.Repository, error) {
|
||||
if _, err := reference.NewRepository(canonicalName); err != nil {
|
||||
// NewRepository creates a new Repository for the given repository name and base URL.
|
||||
func NewRepository(ctx context.Context, name, baseURL string, transport http.RoundTripper) (distribution.Repository, error) {
|
||||
if _, err := reference.ParseNamed(name); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
|
|
@ -116,7 +116,7 @@ func NewRepository(ctx context.Context, canonicalName, baseURL string, transport
|
|||
return &repository{
|
||||
client: client,
|
||||
ub: ub,
|
||||
name: canonicalName,
|
||||
name: name,
|
||||
context: ctx,
|
||||
}, nil
|
||||
}
|
||||
|
|
|
|||
|
|
@ -25,8 +25,8 @@ func NewInMemoryBlobDescriptorCacheProvider() cache.BlobDescriptorCacheProvider
|
|||
}
|
||||
}
|
||||
|
||||
func (imbdcp *inMemoryBlobDescriptorCacheProvider) RepositoryScoped(canonicalName string) (distribution.BlobDescriptorService, error) {
|
||||
if _, err := reference.NewRepository(canonicalName); err != nil {
|
||||
func (imbdcp *inMemoryBlobDescriptorCacheProvider) RepositoryScoped(repo string) (distribution.BlobDescriptorService, error) {
|
||||
if _, err := reference.ParseNamed(repo); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
|
|
@ -34,9 +34,9 @@ func (imbdcp *inMemoryBlobDescriptorCacheProvider) RepositoryScoped(canonicalNam
|
|||
defer imbdcp.mu.RUnlock()
|
||||
|
||||
return &repositoryScopedInMemoryBlobDescriptorCache{
|
||||
repo: canonicalName,
|
||||
repo: repo,
|
||||
parent: imbdcp,
|
||||
repository: imbdcp.repositories[canonicalName],
|
||||
repository: imbdcp.repositories[repo],
|
||||
}, nil
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -40,13 +40,13 @@ func NewRedisBlobDescriptorCacheProvider(pool *redis.Pool) cache.BlobDescriptorC
|
|||
}
|
||||
|
||||
// RepositoryScoped returns the scoped cache.
|
||||
func (rbds *redisBlobDescriptorService) RepositoryScoped(canonicalName string) (distribution.BlobDescriptorService, error) {
|
||||
if _, err := reference.NewRepository(canonicalName); err != nil {
|
||||
func (rbds *redisBlobDescriptorService) RepositoryScoped(repo string) (distribution.BlobDescriptorService, error) {
|
||||
if _, err := reference.ParseNamed(repo); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return &repositoryScopedRedisBlobDescriptorService{
|
||||
repo: canonicalName,
|
||||
repo: repo,
|
||||
upstream: rbds,
|
||||
}, nil
|
||||
}
|
||||
|
|
|
|||
|
|
@ -108,7 +108,7 @@ func (reg *registry) Scope() distribution.Scope {
|
|||
// Instances should not be shared between goroutines but are cheap to
|
||||
// allocate. In general, they should be request scoped.
|
||||
func (reg *registry) Repository(ctx context.Context, canonicalName string) (distribution.Repository, error) {
|
||||
if _, err := reference.NewRepository(canonicalName); err != nil {
|
||||
if _, err := reference.ParseNamed(canonicalName); err != nil {
|
||||
return nil, distribution.ErrRepositoryNameInvalid{
|
||||
Name: canonicalName,
|
||||
Reason: err,
|
||||
|
|
|
|||
Loading…
Reference in New Issue