mirror of
https://github.com/go-gitea/gitea.git
synced 2024-11-04 08:17:24 -05:00
e81ccc406b
Change all license headers to comply with REUSE specification. Fix #16132 Co-authored-by: flynnnnnnnnnn <flynnnnnnnnnn@github> Co-authored-by: John Olheiser <john.olheiser@gmail.com>
437 lines
12 KiB
Go
437 lines
12 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
package container
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
"strings"
|
|
|
|
"code.gitea.io/gitea/models/db"
|
|
packages_model "code.gitea.io/gitea/models/packages"
|
|
container_model "code.gitea.io/gitea/models/packages/container"
|
|
user_model "code.gitea.io/gitea/models/user"
|
|
"code.gitea.io/gitea/modules/json"
|
|
"code.gitea.io/gitea/modules/log"
|
|
packages_module "code.gitea.io/gitea/modules/packages"
|
|
container_module "code.gitea.io/gitea/modules/packages/container"
|
|
"code.gitea.io/gitea/modules/packages/container/oci"
|
|
"code.gitea.io/gitea/modules/util"
|
|
packages_service "code.gitea.io/gitea/services/packages"
|
|
)
|
|
|
|
// manifestCreationInfo describes a manifest to create
|
|
type manifestCreationInfo struct {
|
|
MediaType oci.MediaType
|
|
Owner *user_model.User
|
|
Creator *user_model.User
|
|
Image string
|
|
Reference string
|
|
IsTagged bool
|
|
Properties map[string]string
|
|
}
|
|
|
|
func processManifest(mci *manifestCreationInfo, buf *packages_module.HashedBuffer) (string, error) {
|
|
var schema oci.SchemaMediaBase
|
|
if err := json.NewDecoder(buf).Decode(&schema); err != nil {
|
|
return "", err
|
|
}
|
|
|
|
if schema.SchemaVersion != 2 {
|
|
return "", errUnsupported.WithMessage("Schema version is not supported")
|
|
}
|
|
|
|
if _, err := buf.Seek(0, io.SeekStart); err != nil {
|
|
return "", err
|
|
}
|
|
|
|
if !mci.MediaType.IsValid() {
|
|
mci.MediaType = schema.MediaType
|
|
if !mci.MediaType.IsValid() {
|
|
return "", errManifestInvalid.WithMessage("MediaType not recognized")
|
|
}
|
|
}
|
|
|
|
if mci.MediaType.IsImageManifest() {
|
|
d, err := processImageManifest(mci, buf)
|
|
return d, err
|
|
} else if mci.MediaType.IsImageIndex() {
|
|
d, err := processImageManifestIndex(mci, buf)
|
|
return d, err
|
|
}
|
|
return "", errManifestInvalid
|
|
}
|
|
|
|
func processImageManifest(mci *manifestCreationInfo, buf *packages_module.HashedBuffer) (string, error) {
|
|
manifestDigest := ""
|
|
|
|
err := func() error {
|
|
var manifest oci.Manifest
|
|
if err := json.NewDecoder(buf).Decode(&manifest); err != nil {
|
|
return err
|
|
}
|
|
|
|
if _, err := buf.Seek(0, io.SeekStart); err != nil {
|
|
return err
|
|
}
|
|
|
|
ctx, committer, err := db.TxContext(db.DefaultContext)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer committer.Close()
|
|
|
|
configDescriptor, err := container_model.GetContainerBlob(ctx, &container_model.BlobSearchOptions{
|
|
OwnerID: mci.Owner.ID,
|
|
Image: mci.Image,
|
|
Digest: string(manifest.Config.Digest),
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
configReader, err := packages_module.NewContentStore().Get(packages_module.BlobHash256Key(configDescriptor.Blob.HashSHA256))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer configReader.Close()
|
|
|
|
metadata, err := container_module.ParseImageConfig(manifest.Config.MediaType, configReader)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
blobReferences := make([]*blobReference, 0, 1+len(manifest.Layers))
|
|
|
|
blobReferences = append(blobReferences, &blobReference{
|
|
Digest: manifest.Config.Digest,
|
|
MediaType: manifest.Config.MediaType,
|
|
File: configDescriptor,
|
|
ExpectedSize: manifest.Config.Size,
|
|
})
|
|
|
|
for _, layer := range manifest.Layers {
|
|
pfd, err := container_model.GetContainerBlob(ctx, &container_model.BlobSearchOptions{
|
|
OwnerID: mci.Owner.ID,
|
|
Image: mci.Image,
|
|
Digest: string(layer.Digest),
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
blobReferences = append(blobReferences, &blobReference{
|
|
Digest: layer.Digest,
|
|
MediaType: layer.MediaType,
|
|
File: pfd,
|
|
ExpectedSize: layer.Size,
|
|
})
|
|
}
|
|
|
|
pv, err := createPackageAndVersion(ctx, mci, metadata)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
uploadVersion, err := packages_model.GetInternalVersionByNameAndVersion(ctx, mci.Owner.ID, packages_model.TypeContainer, mci.Image, container_model.UploadVersion)
|
|
if err != nil && err != packages_model.ErrPackageNotExist {
|
|
return err
|
|
}
|
|
|
|
for _, ref := range blobReferences {
|
|
if err := createFileFromBlobReference(ctx, pv, uploadVersion, ref); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
pb, created, digest, err := createManifestBlob(ctx, mci, pv, buf)
|
|
removeBlob := false
|
|
defer func() {
|
|
if removeBlob {
|
|
contentStore := packages_module.NewContentStore()
|
|
if err := contentStore.Delete(packages_module.BlobHash256Key(pb.HashSHA256)); err != nil {
|
|
log.Error("Error deleting package blob from content store: %v", err)
|
|
}
|
|
}
|
|
}()
|
|
if err != nil {
|
|
removeBlob = created
|
|
return err
|
|
}
|
|
|
|
if err := committer.Commit(); err != nil {
|
|
removeBlob = created
|
|
return err
|
|
}
|
|
|
|
manifestDigest = digest
|
|
|
|
return nil
|
|
}()
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
return manifestDigest, nil
|
|
}
|
|
|
|
func processImageManifestIndex(mci *manifestCreationInfo, buf *packages_module.HashedBuffer) (string, error) {
|
|
manifestDigest := ""
|
|
|
|
err := func() error {
|
|
var index oci.Index
|
|
if err := json.NewDecoder(buf).Decode(&index); err != nil {
|
|
return err
|
|
}
|
|
|
|
if _, err := buf.Seek(0, io.SeekStart); err != nil {
|
|
return err
|
|
}
|
|
|
|
ctx, committer, err := db.TxContext(db.DefaultContext)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer committer.Close()
|
|
|
|
metadata := &container_module.Metadata{
|
|
Type: container_module.TypeOCI,
|
|
MultiArch: make(map[string]string),
|
|
}
|
|
|
|
for _, manifest := range index.Manifests {
|
|
if !manifest.MediaType.IsImageManifest() {
|
|
return errManifestInvalid
|
|
}
|
|
|
|
platform := container_module.DefaultPlatform
|
|
if manifest.Platform != nil {
|
|
platform = fmt.Sprintf("%s/%s", manifest.Platform.OS, manifest.Platform.Architecture)
|
|
if manifest.Platform.Variant != "" {
|
|
platform = fmt.Sprintf("%s/%s", platform, manifest.Platform.Variant)
|
|
}
|
|
}
|
|
|
|
_, err := container_model.GetContainerBlob(ctx, &container_model.BlobSearchOptions{
|
|
OwnerID: mci.Owner.ID,
|
|
Image: mci.Image,
|
|
Digest: string(manifest.Digest),
|
|
IsManifest: true,
|
|
})
|
|
if err != nil {
|
|
if err == container_model.ErrContainerBlobNotExist {
|
|
return errManifestBlobUnknown
|
|
}
|
|
return err
|
|
}
|
|
|
|
metadata.MultiArch[platform] = string(manifest.Digest)
|
|
}
|
|
|
|
pv, err := createPackageAndVersion(ctx, mci, metadata)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
pb, created, digest, err := createManifestBlob(ctx, mci, pv, buf)
|
|
removeBlob := false
|
|
defer func() {
|
|
if removeBlob {
|
|
contentStore := packages_module.NewContentStore()
|
|
if err := contentStore.Delete(packages_module.BlobHash256Key(pb.HashSHA256)); err != nil {
|
|
log.Error("Error deleting package blob from content store: %v", err)
|
|
}
|
|
}
|
|
}()
|
|
if err != nil {
|
|
removeBlob = created
|
|
return err
|
|
}
|
|
|
|
if err := committer.Commit(); err != nil {
|
|
removeBlob = created
|
|
return err
|
|
}
|
|
|
|
manifestDigest = digest
|
|
|
|
return nil
|
|
}()
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
return manifestDigest, nil
|
|
}
|
|
|
|
func createPackageAndVersion(ctx context.Context, mci *manifestCreationInfo, metadata *container_module.Metadata) (*packages_model.PackageVersion, error) {
|
|
created := true
|
|
p := &packages_model.Package{
|
|
OwnerID: mci.Owner.ID,
|
|
Type: packages_model.TypeContainer,
|
|
Name: strings.ToLower(mci.Image),
|
|
LowerName: strings.ToLower(mci.Image),
|
|
}
|
|
var err error
|
|
if p, err = packages_model.TryInsertPackage(ctx, p); err != nil {
|
|
if err == packages_model.ErrDuplicatePackage {
|
|
created = false
|
|
} else {
|
|
log.Error("Error inserting package: %v", err)
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
if created {
|
|
if _, err := packages_model.InsertProperty(ctx, packages_model.PropertyTypePackage, p.ID, container_module.PropertyRepository, strings.ToLower(mci.Owner.LowerName+"/"+mci.Image)); err != nil {
|
|
log.Error("Error setting package property: %v", err)
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
metadata.IsTagged = mci.IsTagged
|
|
|
|
metadataJSON, err := json.Marshal(metadata)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
_pv := &packages_model.PackageVersion{
|
|
PackageID: p.ID,
|
|
CreatorID: mci.Creator.ID,
|
|
Version: strings.ToLower(mci.Reference),
|
|
LowerVersion: strings.ToLower(mci.Reference),
|
|
MetadataJSON: string(metadataJSON),
|
|
}
|
|
var pv *packages_model.PackageVersion
|
|
if pv, err = packages_model.GetOrInsertVersion(ctx, _pv); err != nil {
|
|
if err == packages_model.ErrDuplicatePackageVersion {
|
|
if err := packages_service.DeletePackageVersionAndReferences(ctx, pv); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// keep download count on overwrite
|
|
_pv.DownloadCount = pv.DownloadCount
|
|
|
|
if pv, err = packages_model.GetOrInsertVersion(ctx, _pv); err != nil {
|
|
log.Error("Error inserting package: %v", err)
|
|
return nil, err
|
|
}
|
|
} else {
|
|
log.Error("Error inserting package: %v", err)
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
if mci.IsTagged {
|
|
if _, err := packages_model.InsertProperty(ctx, packages_model.PropertyTypeVersion, pv.ID, container_module.PropertyManifestTagged, ""); err != nil {
|
|
log.Error("Error setting package version property: %v", err)
|
|
return nil, err
|
|
}
|
|
}
|
|
for _, digest := range metadata.MultiArch {
|
|
if _, err := packages_model.InsertProperty(ctx, packages_model.PropertyTypeVersion, pv.ID, container_module.PropertyManifestReference, digest); err != nil {
|
|
log.Error("Error setting package version property: %v", err)
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
return pv, nil
|
|
}
|
|
|
|
type blobReference struct {
|
|
Digest oci.Digest
|
|
MediaType oci.MediaType
|
|
Name string
|
|
File *packages_model.PackageFileDescriptor
|
|
ExpectedSize int64
|
|
IsLead bool
|
|
}
|
|
|
|
func createFileFromBlobReference(ctx context.Context, pv, uploadVersion *packages_model.PackageVersion, ref *blobReference) error {
|
|
if ref.File.Blob.Size != ref.ExpectedSize {
|
|
return errSizeInvalid
|
|
}
|
|
|
|
if ref.Name == "" {
|
|
ref.Name = strings.ToLower(fmt.Sprintf("sha256_%s", ref.File.Blob.HashSHA256))
|
|
}
|
|
|
|
pf := &packages_model.PackageFile{
|
|
VersionID: pv.ID,
|
|
BlobID: ref.File.Blob.ID,
|
|
Name: ref.Name,
|
|
LowerName: ref.Name,
|
|
IsLead: ref.IsLead,
|
|
}
|
|
var err error
|
|
if pf, err = packages_model.TryInsertFile(ctx, pf); err != nil {
|
|
if err == packages_model.ErrDuplicatePackageFile {
|
|
// Skip this blob because the manifest contains the same filesystem layer multiple times.
|
|
return nil
|
|
}
|
|
log.Error("Error inserting package file: %v", err)
|
|
return err
|
|
}
|
|
|
|
props := map[string]string{
|
|
container_module.PropertyMediaType: string(ref.MediaType),
|
|
container_module.PropertyDigest: string(ref.Digest),
|
|
}
|
|
for name, value := range props {
|
|
if _, err := packages_model.InsertProperty(ctx, packages_model.PropertyTypeFile, pf.ID, name, value); err != nil {
|
|
log.Error("Error setting package file property: %v", err)
|
|
return err
|
|
}
|
|
}
|
|
|
|
// Remove the file from the blob upload version
|
|
if uploadVersion != nil && ref.File.File != nil && uploadVersion.ID == ref.File.File.VersionID {
|
|
if err := packages_service.DeletePackageFile(ctx, ref.File.File); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func createManifestBlob(ctx context.Context, mci *manifestCreationInfo, pv *packages_model.PackageVersion, buf *packages_module.HashedBuffer) (*packages_model.PackageBlob, bool, string, error) {
|
|
pb, exists, err := packages_model.GetOrInsertBlob(ctx, packages_service.NewPackageBlob(buf))
|
|
if err != nil {
|
|
log.Error("Error inserting package blob: %v", err)
|
|
return nil, false, "", err
|
|
}
|
|
// FIXME: Workaround to be removed in v1.20
|
|
// https://github.com/go-gitea/gitea/issues/19586
|
|
if exists {
|
|
err = packages_module.NewContentStore().Has(packages_module.BlobHash256Key(pb.HashSHA256))
|
|
if err != nil && (errors.Is(err, util.ErrNotExist) || errors.Is(err, os.ErrNotExist)) {
|
|
log.Debug("Package registry inconsistent: blob %s does not exist on file system", pb.HashSHA256)
|
|
exists = false
|
|
}
|
|
}
|
|
if !exists {
|
|
contentStore := packages_module.NewContentStore()
|
|
if err := contentStore.Save(packages_module.BlobHash256Key(pb.HashSHA256), buf, buf.Size()); err != nil {
|
|
log.Error("Error saving package blob in content store: %v", err)
|
|
return nil, false, "", err
|
|
}
|
|
}
|
|
|
|
manifestDigest := digestFromHashSummer(buf)
|
|
err = createFileFromBlobReference(ctx, pv, nil, &blobReference{
|
|
Digest: oci.Digest(manifestDigest),
|
|
MediaType: mci.MediaType,
|
|
Name: container_model.ManifestFilename,
|
|
File: &packages_model.PackageFileDescriptor{Blob: pb},
|
|
ExpectedSize: pb.Size,
|
|
IsLead: true,
|
|
})
|
|
|
|
return pb, !exists, manifestDigest, err
|
|
}
|