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upload_post.go
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/
upload_post.go
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// Copyright 2023 sigma
//
// 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 upload
import (
"errors"
"fmt"
"net/http"
"path"
"strings"
"github.com/labstack/echo/v4"
gonanoid "github.com/matoous/go-nanoid"
"github.com/opencontainers/go-digest"
"github.com/rs/zerolog/log"
"gorm.io/gorm"
"github.com/go-sigma/sigma/pkg/consts"
"github.com/go-sigma/sigma/pkg/dal/models"
"github.com/go-sigma/sigma/pkg/storage"
"github.com/go-sigma/sigma/pkg/types/enums"
"github.com/go-sigma/sigma/pkg/utils"
"github.com/go-sigma/sigma/pkg/utils/counter"
"github.com/go-sigma/sigma/pkg/utils/imagerefs"
"github.com/go-sigma/sigma/pkg/utils/ptr"
"github.com/go-sigma/sigma/pkg/validators"
"github.com/go-sigma/sigma/pkg/xerrors"
)
// PostUpload creates a new upload.
func (h *handler) PostUpload(c echo.Context) error {
ctx := log.Logger.WithContext(c.Request().Context())
user, needRet, err := utils.GetUserFromCtxForDs(c)
if err != nil {
return err
}
if needRet {
return nil
}
host := c.Request().Host
uri := c.Request().URL.Path
protocol := c.Scheme()
repository := strings.TrimPrefix(strings.TrimSuffix(uri[:strings.LastIndex(uri, "/")], "/blobs"), "/v2/")
_, namespace, _, _, err := imagerefs.Parse(repository)
if err != nil {
log.Error().Err(err).Str("Repository", repository).Msg("Repository must container a valid namespace")
return xerrors.NewDSError(c, xerrors.DSErrCodeManifestWithNamespace)
}
if !(validators.ValidateNamespaceRaw(namespace) && validators.ValidateRepositoryRaw(repository)) {
log.Error().Err(err).Str("Repository", repository).Msg("Repository must container a valid namespace")
return xerrors.NewDSError(c, xerrors.DSErrCodeManifestWithNamespace)
}
namespaceObj, err := h.namespaceServiceFactory.New().GetByName(ctx, namespace)
if err != nil {
log.Error().Err(err).Str("Name", repository).Msg("Get repository by name failed")
return xerrors.NewDSError(c, xerrors.DSErrCodeBlobUnknown)
}
authChecked, err := h.authServiceFactory.New().Namespace(ptr.To(user), namespaceObj.ID, enums.AuthManage)
if err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
log.Error().Err(errors.New(utils.UnwrapJoinedErrors(err))).Msg("Resource not found")
return xerrors.GenDSErrCodeResourceNotFound(err)
}
return xerrors.NewDSError(c, xerrors.DSErrCodeUnknown)
}
if !authChecked {
log.Error().Int64("UserID", user.ID).Int64("NamespaceID", namespaceObj.ID).Msg("Auth check failed")
return xerrors.NewDSError(c, xerrors.DSErrCodeDenied)
}
// fileID is the filename that upload to the blob_uploads
fileID := gonanoid.MustGenerate(consts.Alphanum, 64)
// according to the docker registry api, if the digest is provided, the upload is complete
if c.QueryParam("digest") != "" {
dgest, err := digest.Parse(c.QueryParam("digest"))
if err != nil {
log.Error().Err(err).Str("digest", c.QueryParam("digest")).Msg("Parse digest failed")
return xerrors.NewDSError(c, xerrors.DSErrCodeBlobUploadInvalid)
}
c.Response().Header().Set(consts.ContentDigest, dgest.String())
countReader := counter.NewCounter(c.Request().Body)
srcPath := fmt.Sprintf("%s/%s", consts.BlobUploads, fileID)
err = storage.Driver.Upload(ctx, srcPath, countReader)
if err != nil {
log.Error().Err(err).Msg("Upload blob failed")
return xerrors.NewDSError(c, xerrors.DSErrCodeBlobUploadInvalid)
}
destPath := path.Join(consts.Blobs, utils.GenPathByDigest(dgest))
err = storage.Driver.Move(ctx, srcPath, destPath)
if err != nil {
log.Error().Err(err).Msg("Move blob failed")
return xerrors.NewDSError(c, xerrors.DSErrCodeUnknown)
}
err = storage.Driver.Delete(ctx, srcPath)
if err != nil {
log.Error().Err(err).Msg("Delete blob upload failed")
return xerrors.NewDSError(c, xerrors.DSErrCodeUnknown)
}
size := countReader.Count()
contentType := c.Request().Header.Get("Content-Type")
blobService := h.blobServiceFactory.New()
err = blobService.Create(ctx, &models.Blob{
Digest: dgest.String(),
Size: size,
ContentType: contentType,
})
if err != nil {
log.Error().Err(err).Msg("Save blob record failed")
return xerrors.NewDSError(c, xerrors.DSErrCodeUnknown)
}
}
uploadID, err := storage.Driver.CreateUploadID(ctx, fmt.Sprintf("%s/%s", consts.BlobUploads, fileID))
if err != nil {
log.Error().Err(err).Msg("Create blob upload id failed")
return xerrors.NewDSError(c, xerrors.DSErrCodeUnknown)
}
blobUploadService := h.blobUploadServiceFactory.New()
err = blobUploadService.Create(ctx, &models.BlobUpload{
PartNumber: 0,
UploadID: uploadID,
Etag: "fake",
Repository: repository,
FileID: fileID,
})
if err != nil {
log.Error().Err(err).Msg("Save blob upload record failed")
return xerrors.NewDSError(c, xerrors.DSErrCodeUnknown)
}
c.Response().Header().Set("Docker-Upload-UUID", uploadID)
c.Response().Header().Set("Location", fmt.Sprintf("%s://%s%s%s", protocol, host, uri, uploadID))
c.Response().Header().Set("Range", "0-0")
return c.NoContent(http.StatusAccepted)
}