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Add "(Shared)Tags" validation

This commit is contained in:
Tianon Gravi 2019-06-26 16:45:20 -07:00
parent c37ef753c4
commit 3ff8c5ce0d
1 changed files with 16 additions and 0 deletions
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16
manifest/rfc2822.go
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@ -18,6 +18,9 @@ import (
var (
GitCommitRegex = regexp.MustCompile(`^[0-9a-f]{1,64}$`)
GitFetchRegex = regexp.MustCompile(`^refs/(heads|tags)/[^*?:]+$`)
// https://github.com/docker/distribution/blob/v2.7.1/reference/regexp.go#L37
ValidTagRegex = regexp.MustCompile(`^\w[\w.-]{0,127}$`)
)
type Manifest2822 struct {
@ -395,6 +398,9 @@ func (manifest *Manifest2822) AddEntry(entry Manifest2822Entry) error {
entry.DeduplicateSharedTags()
entry.CleanDirectoryValues()
if invalidTags := entry.InvalidTags(); len(invalidTags) > 0 {
return fmt.Errorf("Tags %q has invalid (Shared)Tags: %q", entry.TagsString(), strings.Join(invalidTags, ", "))
}
if invalidArchitectures := entry.InvalidArchitectures(); len(invalidArchitectures) > 0 {
return fmt.Errorf("Tags %q has invalid Architectures: %q", entry.TagsString(), strings.Join(invalidArchitectures, ", "))
}
@ -458,6 +464,16 @@ func (entry Manifest2822Entry) InvalidMaintainers() []string {
return invalid
}
func (entry Manifest2822Entry) InvalidTags() []string {
invalid := []string{}
for _, tag := range append(append([]string{}, entry.Tags...), entry.SharedTags...) {
if !ValidTagRegex.MatchString(tag) {
invalid = append(invalid, tag)
}
}
return invalid
}
func (entry Manifest2822Entry) InvalidArchitectures() []string {
invalid := []string{}
for _, arch := range entry.Architectures {