mirror of https://github.com/goharbor/harbor.git
136 lines
4.6 KiB
Go
136 lines
4.6 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 wasm
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import (
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"context"
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"encoding/json"
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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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"github.com/opencontainers/image-spec/specs-go/v1"
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)
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// const definitions
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const (
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// ArtifactTypeWASM is the artifact type for image
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ArtifactTypeWASM = "WASM"
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AdditionTypeBuildHistory = "BUILD_HISTORY"
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// AnnotationVariantKey and AnnotationVariantValue is available key-value pair to identify an annotation fashion wasm artifact
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AnnotationVariantKey = "module.wasm.image/variant"
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AnnotationVariantValue = "compat"
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// AnnotationHandlerKey and AnnotationHandlerValue is another available key-value pair to identify an annotation fashion wasm artifact
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AnnotationHandlerKey = "run.oci.handler"
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AnnotationHandlerValue = "wasm"
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MediaType = "application/vnd.wasm.config.v1+json"
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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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mediaTypes := []string{
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MediaType,
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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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// Processor processes image with OCI manifest and docker v2 manifest
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type Processor struct {
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*base.ManifestProcessor
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}
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func (m *Processor) AbstractMetadata(ctx context.Context, art *artifact.Artifact, manifestBody []byte) error {
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art.ExtraAttrs = map[string]interface{}{}
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manifest := &v1.Manifest{}
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if err := json.Unmarshal(manifestBody, manifest); err != nil {
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return err
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}
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if art.ExtraAttrs == nil {
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art.ExtraAttrs = map[string]interface{}{}
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}
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if manifest.Annotations[AnnotationVariantKey] == AnnotationVariantValue || manifest.Annotations[AnnotationHandlerKey] == AnnotationHandlerValue {
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// for annotation way
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config := &v1.Image{}
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if err := m.UnmarshalConfig(ctx, art.RepositoryName, manifestBody, config); err != nil {
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return err
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}
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art.ExtraAttrs["manifest.config.mediaType"] = manifest.Config.MediaType
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art.ExtraAttrs["created"] = config.Created
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art.ExtraAttrs["architecture"] = config.Architecture
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art.ExtraAttrs["os"] = config.OS
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art.ExtraAttrs["config"] = config.Config
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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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author := config.Author
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if len(author) == 0 && len(config.Config.Labels) > 0 {
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author = config.Config.Labels["maintainer"]
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}
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art.ExtraAttrs["author"] = author
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} else {
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// for wasm-to-oci way
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art.ExtraAttrs["manifest.config.mediaType"] = MediaType
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if len(manifest.Layers) > 0 {
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art.ExtraAttrs["manifest.layers.mediaType"] = manifest.Layers[0].MediaType
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art.ExtraAttrs["org.opencontainers.image.title"] = manifest.Layers[0].Annotations["org.opencontainers.image.title"]
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}
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}
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return nil
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}
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func (m *Processor) 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, ArtifactTypeWASM)
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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 *Processor) GetArtifactType(ctx context.Context, artifact *artifact.Artifact) string {
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return ArtifactTypeWASM
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}
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func (m *Processor) ListAdditionTypes(ctx context.Context, artifact *artifact.Artifact) []string {
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return []string{AdditionTypeBuildHistory}
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}
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