mirror of https://github.com/goharbor/harbor.git
122 lines
3.9 KiB
Go
122 lines
3.9 KiB
Go
// Copyright Project Harbor Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package image
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import (
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"context"
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"encoding/json"
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"github.com/docker/distribution/manifest/schema2"
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v1 "github.com/opencontainers/image-spec/specs-go/v1"
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"github.com/goharbor/harbor/src/controller/artifact/processor"
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"github.com/goharbor/harbor/src/controller/artifact/processor/base"
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"github.com/goharbor/harbor/src/lib/errors"
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"github.com/goharbor/harbor/src/lib/log"
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"github.com/goharbor/harbor/src/pkg/artifact"
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)
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// const definitions
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const (
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// ArtifactTypeImage is the artifact type for image
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ArtifactTypeImage = "IMAGE"
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AdditionTypeBuildHistory = "BUILD_HISTORY"
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)
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func init() {
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pc := &manifestV2Processor{}
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pc.ManifestProcessor = base.NewManifestProcessor()
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mediaTypes := []string{
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v1.MediaTypeImageConfig,
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schema2.MediaTypeImageConfig,
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}
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if err := processor.Register(pc, mediaTypes...); err != nil {
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log.Errorf("failed to register processor for media type %v: %v", mediaTypes, err)
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return
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}
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}
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// manifestV2Processor processes image with OCI manifest and docker v2 manifest
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type manifestV2Processor struct {
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*base.ManifestProcessor
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}
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func (m *manifestV2Processor) AbstractMetadata(ctx context.Context, artifact *artifact.Artifact, manifest []byte) error {
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config := &v1.Image{}
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if err := m.ManifestProcessor.UnmarshalConfig(ctx, artifact.RepositoryName, manifest, config); err != nil {
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return err
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}
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if artifact.ExtraAttrs == nil {
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artifact.ExtraAttrs = map[string]interface{}{}
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}
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artifact.ExtraAttrs["created"] = config.Created
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artifact.ExtraAttrs["architecture"] = config.Architecture
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artifact.ExtraAttrs["os"] = config.OS
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artifact.ExtraAttrs["config"] = config.Config
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author := config.Author
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// if the author is null, try to get it from labels:
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// https://docs.docker.com/engine/reference/builder/#maintainer-deprecated
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// https://github.com/opencontainers/image-spec/blob/main/annotations.md#pre-defined-annotation-keys
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authorlist := []string{"org.opencontainers.image.authors", "maintainer"}
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if len(author) == 0 && len(config.Config.Labels) > 0 {
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for _, authorlabel := range authorlist {
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if val, ok := config.Config.Labels[string(authorlabel)]; ok && len(val) > 0 {
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author = val
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break
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}
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}
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}
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artifact.ExtraAttrs["author"] = author
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return nil
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}
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func (m *manifestV2Processor) AbstractAddition(ctx context.Context, artifact *artifact.Artifact, addition string) (*processor.Addition, error) {
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if addition != AdditionTypeBuildHistory {
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return nil, errors.New(nil).WithCode(errors.BadRequestCode).
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WithMessage("addition %s isn't supported for %s(manifest version 2)", addition, ArtifactTypeImage)
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}
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mani, _, err := m.RegCli.PullManifest(artifact.RepositoryName, artifact.Digest)
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if err != nil {
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return nil, err
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}
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_, content, err := mani.Payload()
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if err != nil {
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return nil, err
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}
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config := &v1.Image{}
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if err = m.ManifestProcessor.UnmarshalConfig(ctx, artifact.RepositoryName, content, config); err != nil {
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return nil, err
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}
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content, err = json.Marshal(config.History)
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if err != nil {
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return nil, err
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}
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return &processor.Addition{
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Content: content,
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ContentType: "application/json; charset=utf-8",
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}, nil
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}
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func (m *manifestV2Processor) GetArtifactType(_ context.Context, _ *artifact.Artifact) string {
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return ArtifactTypeImage
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}
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func (m *manifestV2Processor) ListAdditionTypes(_ context.Context, _ *artifact.Artifact) []string {
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return []string{AdditionTypeBuildHistory}
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}
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