mirror of https://github.com/goharbor/harbor.git
114 lines
3.1 KiB
Go
114 lines
3.1 KiB
Go
// Copyright Project Harbor Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package annotation
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
"fmt"
|
|
"io"
|
|
"net/http"
|
|
"strings"
|
|
|
|
"github.com/docker/distribution/manifest/schema2"
|
|
v1 "github.com/opencontainers/image-spec/specs-go/v1"
|
|
|
|
"github.com/goharbor/harbor/src/lib/errors"
|
|
"github.com/goharbor/harbor/src/pkg/artifact"
|
|
reg "github.com/goharbor/harbor/src/pkg/registry"
|
|
)
|
|
|
|
const (
|
|
// V1alpha1 is the version of annotation parser
|
|
V1alpha1 = "v1alpha1"
|
|
)
|
|
|
|
type v1alpha1Parser struct {
|
|
regCli reg.Client
|
|
}
|
|
|
|
func (p *v1alpha1Parser) Parse(_ context.Context, artifact *artifact.Artifact, manifest []byte) error {
|
|
if artifact.ManifestMediaType != v1.MediaTypeImageManifest && artifact.ManifestMediaType != schema2.MediaTypeManifest {
|
|
return nil
|
|
}
|
|
// get manifest
|
|
mani := &v1.Manifest{}
|
|
if err := json.Unmarshal(manifest, mani); err != nil {
|
|
return err
|
|
}
|
|
|
|
// parse skip-list annotation io.goharor.artifact.v1alpha1.skip-list
|
|
parseV1alpha1SkipList(artifact, mani)
|
|
|
|
// parse icon annotation io.goharbor.artifact.v1alpha1.icon
|
|
err := parseV1alpha1Icon(artifact, mani, p.regCli)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func parseV1alpha1SkipList(artifact *artifact.Artifact, manifest *v1.Manifest) {
|
|
metadata := artifact.ExtraAttrs
|
|
skipListAnnotationKey := fmt.Sprintf("%s.%s.%s", AnnotationPrefix, V1alpha1, SkipList)
|
|
skipList, ok := manifest.Config.Annotations[skipListAnnotationKey]
|
|
if ok {
|
|
skipKeyList := strings.Split(skipList, ",")
|
|
for _, skipKey := range skipKeyList {
|
|
delete(metadata, skipKey)
|
|
}
|
|
artifact.ExtraAttrs = metadata
|
|
}
|
|
}
|
|
|
|
func parseV1alpha1Icon(artifact *artifact.Artifact, manifest *v1.Manifest, reg reg.Client) error {
|
|
iconAnnotationKey := fmt.Sprintf("%s.%s.%s", AnnotationPrefix, V1alpha1, Icon)
|
|
var iconDigest string
|
|
for _, layer := range manifest.Layers {
|
|
_, ok := layer.Annotations[iconAnnotationKey]
|
|
if ok {
|
|
iconDigest = layer.Digest.String()
|
|
break
|
|
}
|
|
}
|
|
if iconDigest == "" {
|
|
return nil
|
|
}
|
|
// pull icon layer
|
|
_, icon, err := reg.PullBlob(artifact.RepositoryName, iconDigest)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer icon.Close()
|
|
// check the size of the size <= 1MB
|
|
data, err := io.ReadAll(io.LimitReader(icon, 1<<20))
|
|
if err != nil {
|
|
if err == io.EOF {
|
|
return errors.New(nil).WithCode(errors.BadRequestCode).WithMessage("the maximum size of the icon is 1MB")
|
|
}
|
|
return err
|
|
}
|
|
// check the content type
|
|
contentType := http.DetectContentType(data)
|
|
switch contentType {
|
|
case GIF, PNG, JPEG:
|
|
default:
|
|
return errors.New(nil).WithCode(errors.BadRequestCode).WithMessage("unsupported content type: %s", contentType)
|
|
}
|
|
artifact.Icon = iconDigest
|
|
return nil
|
|
}
|