mirror of https://github.com/goharbor/harbor.git
90 lines
2.9 KiB
Go
90 lines
2.9 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 sbom
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import (
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"context"
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"encoding/json"
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"io"
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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 (
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// ArtifactTypeSBOM is the artifact type for SBOM, it's scope is only used in the processor
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ArtifactTypeSBOM = "SBOM"
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// processorMediaType is the media type for SBOM, it's scope is only used to register the processor
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processorMediaType = "application/vnd.goharbor.harbor.sbom.v1"
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)
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func init() {
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pc := &Processor{}
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pc.ManifestProcessor = base.NewManifestProcessor()
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if err := processor.Register(pc, processorMediaType); err != nil {
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log.Errorf("failed to register processor for media type %s: %v", processorMediaType, err)
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return
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}
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}
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// Processor is the processor for SBOM
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type Processor struct {
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*base.ManifestProcessor
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}
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// AbstractAddition returns the addition for SBOM
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func (m *Processor) AbstractAddition(_ context.Context, art *artifact.Artifact, _ string) (*processor.Addition, error) {
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man, _, err := m.RegCli.PullManifest(art.RepositoryName, art.Digest)
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if err != nil {
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return nil, errors.Wrap(err, "failed to pull manifest")
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}
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_, payload, err := man.Payload()
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if err != nil {
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return nil, errors.Wrap(err, "failed to get payload")
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}
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manifest := &v1.Manifest{}
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if err := json.Unmarshal(payload, manifest); err != nil {
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return nil, err
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}
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// SBOM artifact should only have one layer
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if len(manifest.Layers) != 1 {
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return nil, errors.New(nil).WithCode(errors.NotFoundCode).WithMessage("The sbom is not found")
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}
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layerDgst := manifest.Layers[0].Digest.String()
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_, blob, err := m.RegCli.PullBlob(art.RepositoryName, layerDgst)
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if err != nil {
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return nil, errors.Wrap(err, "failed to pull the blob")
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}
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defer blob.Close()
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content, err := io.ReadAll(blob)
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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: processorMediaType,
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}, nil
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}
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// GetArtifactType the artifact type is used to display the artifact type in the UI
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func (m *Processor) GetArtifactType(_ context.Context, _ *artifact.Artifact) string {
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return ArtifactTypeSBOM
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}
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