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Add Package Registry (#16510)

* Added package store settings.

* Added models.

* Added generic package registry.

* Added tests.

* Added NuGet package registry.

* Moved service index to api file.

* Added NPM package registry.

* Added Maven package registry.

* Added PyPI package registry.

* Summary is deprecated.

* Changed npm name.

* Sanitize project url.

* Allow only scoped packages.

* Added user interface.

* Changed method name.

* Added missing migration file.

* Set page info.

* Added documentation.

* Added documentation links.

* Fixed wrong error message.

* Lint template files.

* Fixed merge errors.

* Fixed unit test storage path.

* Switch to json module.

* Added suggestions.

* Added package webhook.

* Add package api.

* Fixed swagger file.

* Fixed enum and comments.

* Fixed NuGet pagination.

* Print test names.

* Added api tests.

* Fixed access level.

* Fix User unmarshal.

* Added RubyGems package registry.

* Fix lint.

* Implemented io.Writer.

* Added support for sha256/sha512 checksum files.

* Improved maven-metadata.xml support.

* Added support for symbol package uploads.

* Added tests.

* Added overview docs.

* Added npm dependencies and keywords.

* Added no-packages information.

* Display file size.

* Display asset count.

* Fixed filter alignment.

* Added package icons.

* Formatted instructions.

* Allow anonymous package downloads.

* Fixed comments.

* Fixed postgres test.

* Moved file.

* Moved models to models/packages.

* Use correct error response format per client.

* Use simpler search form.

* Fixed IsProd.

* Restructured data model.

* Prevent empty filename.

* Fix swagger.

* Implemented user/org registry.

* Implemented UI.

* Use GetUserByIDCtx.

* Use table for dependencies.

* make svg

* Added support for unscoped npm packages.

* Add support for npm dist tags.

* Added tests for npm tags.

* Unlink packages if repository gets deleted.

* Prevent user/org delete if a packages exist.

* Use package unlink in repository service.

* Added support for composer packages.

* Restructured package docs.

* Added missing tests.

* Fixed generic content page.

* Fixed docs.

* Fixed swagger.

* Added missing type.

* Fixed ambiguous column.

* Organize content store by sha256 hash.

* Added admin package management.

* Added support for sorting.

* Add support for multiple identical versions/files.

* Added missing repository unlink.

* Added file properties.

* make fmt

* lint

* Added Conan package registry.

* Updated docs.

* Unify package names.

* Added swagger enum.

* Use longer TEXT column type.

* Removed version composite key.

* Merged package and container registry.

* Removed index.

* Use dedicated package router.

* Moved files to new location.

* Updated docs.

* Fixed JOIN order.

* Fixed GROUP BY statement.

* Fixed GROUP BY #2.

* Added symbol server support.

* Added more tests.

* Set NOT NULL.

* Added setting to disable package registries.

* Moved auth into service.

* refactor

* Use ctx everywhere.

* Added package cleanup task.

* Changed packages path.

* Added container registry.

* Refactoring

* Updated comparison.

* Fix swagger.

* Fixed table order.

* Use token auth for npm routes.

* Enabled ReverseProxy auth.

* Added packages link for orgs.

* Fixed anonymous org access.

* Enable copy button for setup instructions.

* Merge error

* Added suggestions.

* Fixed merge.

* Handle "generic".

* Added link for TODO.

* Added suggestions.

* Changed temporary buffer filename.

* Added suggestions.

* Apply suggestions from code review

Co-authored-by: Thomas Boerger <thomas@webhippie.de>

* Update docs/content/doc/packages/nuget.en-us.md

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
Co-authored-by: Thomas Boerger <thomas@webhippie.de>
This commit is contained in:
KN4CK3R 2022-03-30 10:42:47 +02:00 committed by GitHub
parent 2bce1ea986
commit 1d332342db
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197 changed files with 18563 additions and 55 deletions

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// Copyright 2022 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package container
import (
"net/http"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/services/auth"
"code.gitea.io/gitea/services/packages"
)
type Auth struct{}
func (a *Auth) Name() string {
return "container"
}
// Verify extracts the user from the Bearer token
// If it's an anonymous session a ghost user is returned
func (a *Auth) Verify(req *http.Request, w http.ResponseWriter, store auth.DataStore, sess auth.SessionStore) *user_model.User {
uid, err := packages.ParseAuthorizationToken(req)
if err != nil {
log.Trace("ParseAuthorizationToken: %v", err)
return nil
}
if uid == 0 {
return nil
}
if uid == -1 {
return user_model.NewGhostUser()
}
u, err := user_model.GetUserByID(uid)
if err != nil {
log.Error("GetUserByID: %v", err)
return nil
}
return u
}

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// Copyright 2022 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package container
import (
"context"
"encoding/hex"
"fmt"
"strings"
"code.gitea.io/gitea/models/db"
packages_model "code.gitea.io/gitea/models/packages"
container_model "code.gitea.io/gitea/models/packages/container"
"code.gitea.io/gitea/modules/log"
packages_module "code.gitea.io/gitea/modules/packages"
container_module "code.gitea.io/gitea/modules/packages/container"
packages_service "code.gitea.io/gitea/services/packages"
)
// saveAsPackageBlob creates a package blob from an upload
// The uploaded blob gets stored in a special upload version to link them to the package/image
func saveAsPackageBlob(hsr packages_module.HashedSizeReader, pi *packages_service.PackageInfo) (*packages_model.PackageBlob, error) {
pb := packages_service.NewPackageBlob(hsr)
exists := false
contentStore := packages_module.NewContentStore()
err := db.WithTx(func(ctx context.Context) error {
p := &packages_model.Package{
OwnerID: pi.Owner.ID,
Type: packages_model.TypeContainer,
Name: strings.ToLower(pi.Name),
LowerName: strings.ToLower(pi.Name),
}
var err error
if p, err = packages_model.TryInsertPackage(ctx, p); err != nil {
if err != packages_model.ErrDuplicatePackage {
log.Error("Error inserting package: %v", err)
return err
}
}
pv := &packages_model.PackageVersion{
PackageID: p.ID,
CreatorID: pi.Owner.ID,
Version: container_model.UploadVersion,
LowerVersion: container_model.UploadVersion,
IsInternal: true,
MetadataJSON: "null",
}
if pv, err = packages_model.GetOrInsertVersion(ctx, pv); err != nil {
if err != packages_model.ErrDuplicatePackageVersion {
log.Error("Error inserting package: %v", err)
return err
}
}
pb, exists, err = packages_model.GetOrInsertBlob(ctx, pb)
if err != nil {
log.Error("Error inserting package blob: %v", err)
return err
}
if !exists {
if err := contentStore.Save(packages_module.BlobHash256Key(pb.HashSHA256), hsr, hsr.Size()); err != nil {
log.Error("Error saving package blob in content store: %v", err)
return err
}
}
filename := strings.ToLower(fmt.Sprintf("sha256_%s", pb.HashSHA256))
pf := &packages_model.PackageFile{
VersionID: pv.ID,
BlobID: pb.ID,
Name: filename,
LowerName: filename,
CompositeKey: packages_model.EmptyFileKey,
}
if pf, err = packages_model.TryInsertFile(ctx, pf); err != nil {
if err == packages_model.ErrDuplicatePackageFile {
return nil
}
log.Error("Error inserting package file: %v", err)
return err
}
if _, err := packages_model.InsertProperty(ctx, packages_model.PropertyTypeFile, pf.ID, container_module.PropertyDigest, digestFromPackageBlob(pb)); err != nil {
log.Error("Error setting package file property: %v", err)
return err
}
return nil
})
if err != nil {
if !exists {
if err := contentStore.Delete(packages_module.BlobHash256Key(pb.HashSHA256)); err != nil {
log.Error("Error deleting package blob from content store: %v", err)
}
}
return nil, err
}
return pb, nil
}
func deleteBlob(ownerID int64, image, digest string) error {
return db.WithTx(func(ctx context.Context) error {
pfds, err := container_model.GetContainerBlobs(ctx, &container_model.BlobSearchOptions{
OwnerID: ownerID,
Image: image,
Digest: digest,
})
if err != nil {
return err
}
for _, file := range pfds {
if err := packages_service.DeletePackageFile(ctx, file.File); err != nil {
return err
}
}
return nil
})
}
func digestFromHashSummer(h packages_module.HashSummer) string {
_, _, hashSHA256, _ := h.Sums()
return "sha256:" + hex.EncodeToString(hashSHA256)
}
func digestFromPackageBlob(pb *packages_model.PackageBlob) string {
return "sha256:" + pb.HashSHA256
}

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// Copyright 2021 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package container
import (
"errors"
"fmt"
"io"
"net/http"
"net/url"
"regexp"
"strconv"
"strings"
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/context"
"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/setting"
"code.gitea.io/gitea/routers/api/packages/helper"
packages_service "code.gitea.io/gitea/services/packages"
container_service "code.gitea.io/gitea/services/packages/container"
)
// maximum size of a container manifest
// https://github.com/opencontainers/distribution-spec/blob/main/spec.md#pushing-manifests
const maxManifestSize = 10 * 1024 * 1024
var imageNamePattern = regexp.MustCompile(`\A[a-z0-9]+([._-][a-z0-9]+)*(/[a-z0-9]+([._-][a-z0-9]+)*)*\z`)
type containerHeaders struct {
Status int
ContentDigest string
UploadUUID string
Range string
Location string
ContentType string
ContentLength int64
}
// https://github.com/opencontainers/distribution-spec/blob/main/spec.md#legacy-docker-support-http-headers
func setResponseHeaders(resp http.ResponseWriter, h *containerHeaders) {
if h.Location != "" {
resp.Header().Set("Location", h.Location)
}
if h.Range != "" {
resp.Header().Set("Range", h.Range)
}
if h.ContentType != "" {
resp.Header().Set("Content-Type", h.ContentType)
}
if h.ContentLength != 0 {
resp.Header().Set("Content-Length", strconv.FormatInt(h.ContentLength, 10))
}
if h.UploadUUID != "" {
resp.Header().Set("Docker-Upload-Uuid", h.UploadUUID)
}
if h.ContentDigest != "" {
resp.Header().Set("Docker-Content-Digest", h.ContentDigest)
resp.Header().Set("ETag", fmt.Sprintf(`"%s"`, h.ContentDigest))
}
resp.Header().Set("Docker-Distribution-Api-Version", "registry/2.0")
resp.WriteHeader(h.Status)
}
func jsonResponse(ctx *context.Context, status int, obj interface{}) {
setResponseHeaders(ctx.Resp, &containerHeaders{
Status: status,
ContentType: "application/json",
})
if err := json.NewEncoder(ctx.Resp).Encode(obj); err != nil {
log.Error("JSON encode: %v", err)
}
}
func apiError(ctx *context.Context, status int, err error) {
helper.LogAndProcessError(ctx, status, err, func(message string) {
setResponseHeaders(ctx.Resp, &containerHeaders{
Status: status,
})
})
}
// https://github.com/opencontainers/distribution-spec/blob/main/spec.md#error-codes
func apiErrorDefined(ctx *context.Context, err *namedError) {
type ContainerError struct {
Code string `json:"code"`
Message string `json:"message"`
}
type ContainerErrors struct {
Errors []ContainerError `json:"errors"`
}
jsonResponse(ctx, err.StatusCode, ContainerErrors{
Errors: []ContainerError{
{
Code: err.Code,
Message: err.Message,
},
},
})
}
// ReqContainerAccess is a middleware which checks the current user valid (real user or ghost for anonymous access)
func ReqContainerAccess(ctx *context.Context) {
if ctx.Doer == nil {
ctx.Resp.Header().Add("WWW-Authenticate", `Bearer realm="`+setting.AppURL+`v2/token"`)
ctx.Resp.Header().Add("WWW-Authenticate", `Basic`)
apiErrorDefined(ctx, errUnauthorized)
}
}
// VerifyImageName is a middleware which checks if the image name is allowed
func VerifyImageName(ctx *context.Context) {
if !imageNamePattern.MatchString(ctx.Params("image")) {
apiErrorDefined(ctx, errNameInvalid)
}
}
// DetermineSupport is used to test if the registry supports OCI
// https://github.com/opencontainers/distribution-spec/blob/main/spec.md#determining-support
func DetermineSupport(ctx *context.Context) {
setResponseHeaders(ctx.Resp, &containerHeaders{
Status: http.StatusOK,
})
}
// Authenticate creates a token for the current user
// If the current user is anonymous, the ghost user is used
func Authenticate(ctx *context.Context) {
u := ctx.Doer
if u == nil {
u = user_model.NewGhostUser()
}
token, err := packages_service.CreateAuthorizationToken(u)
if err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
ctx.JSON(http.StatusOK, map[string]string{
"token": token,
})
}
// https://github.com/opencontainers/distribution-spec/blob/main/spec.md#mounting-a-blob-from-another-repository
// https://github.com/opencontainers/distribution-spec/blob/main/spec.md#single-post
// https://github.com/opencontainers/distribution-spec/blob/main/spec.md#pushing-a-blob-in-chunks
func InitiateUploadBlob(ctx *context.Context) {
image := ctx.Params("image")
mount := ctx.FormTrim("mount")
from := ctx.FormTrim("from")
if mount != "" {
blob, _ := container_model.GetContainerBlob(ctx, &container_model.BlobSearchOptions{
Image: from,
Digest: mount,
})
if blob != nil {
setResponseHeaders(ctx.Resp, &containerHeaders{
Location: fmt.Sprintf("/v2/%s/%s/blobs/%s", ctx.Package.Owner.LowerName, image, mount),
ContentDigest: mount,
Status: http.StatusCreated,
})
return
}
}
digest := ctx.FormTrim("digest")
if digest != "" {
buf, err := packages_module.CreateHashedBufferFromReader(ctx.Req.Body, 32*1024*1024)
if err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
defer buf.Close()
if digest != digestFromHashSummer(buf) {
apiErrorDefined(ctx, errDigestInvalid)
return
}
if _, err := saveAsPackageBlob(buf, &packages_service.PackageInfo{Owner: ctx.Package.Owner, Name: image}); err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
setResponseHeaders(ctx.Resp, &containerHeaders{
Location: fmt.Sprintf("/v2/%s/%s/blobs/%s", ctx.Package.Owner.LowerName, image, digest),
ContentDigest: digest,
Status: http.StatusCreated,
})
return
}
upload, err := packages_model.CreateBlobUpload(ctx)
if err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
setResponseHeaders(ctx.Resp, &containerHeaders{
Location: fmt.Sprintf("/v2/%s/%s/blobs/uploads/%s", ctx.Package.Owner.LowerName, image, upload.ID),
Range: "0-0",
UploadUUID: upload.ID,
Status: http.StatusAccepted,
})
}
// https://github.com/opencontainers/distribution-spec/blob/main/spec.md#pushing-a-blob-in-chunks
func UploadBlob(ctx *context.Context) {
image := ctx.Params("image")
uploader, err := container_service.NewBlobUploader(ctx, ctx.Params("uuid"))
if err != nil {
if err == packages_model.ErrPackageBlobUploadNotExist {
apiErrorDefined(ctx, errBlobUploadUnknown)
} else {
apiError(ctx, http.StatusInternalServerError, err)
}
return
}
defer uploader.Close()
contentRange := ctx.Req.Header.Get("Content-Range")
if contentRange != "" {
start, end := 0, 0
if _, err := fmt.Sscanf(contentRange, "%d-%d", &start, &end); err != nil {
apiErrorDefined(ctx, errBlobUploadInvalid)
return
}
if int64(start) != uploader.Size() {
apiErrorDefined(ctx, errBlobUploadInvalid.WithStatusCode(http.StatusRequestedRangeNotSatisfiable))
return
}
} else if uploader.Size() != 0 {
apiErrorDefined(ctx, errBlobUploadInvalid.WithMessage("Stream uploads after first write are not allowed"))
return
}
if err := uploader.Append(ctx, ctx.Req.Body); err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
setResponseHeaders(ctx.Resp, &containerHeaders{
Location: fmt.Sprintf("/v2/%s/%s/blobs/uploads/%s", ctx.Package.Owner.LowerName, image, uploader.ID),
Range: fmt.Sprintf("0-%d", uploader.Size()-1),
UploadUUID: uploader.ID,
Status: http.StatusAccepted,
})
}
// https://github.com/opencontainers/distribution-spec/blob/main/spec.md#pushing-a-blob-in-chunks
func EndUploadBlob(ctx *context.Context) {
image := ctx.Params("image")
digest := ctx.FormTrim("digest")
if digest == "" {
apiErrorDefined(ctx, errDigestInvalid)
return
}
uploader, err := container_service.NewBlobUploader(ctx, ctx.Params("uuid"))
if err != nil {
if err == packages_model.ErrPackageBlobUploadNotExist {
apiErrorDefined(ctx, errBlobUploadUnknown)
} else {
apiError(ctx, http.StatusInternalServerError, err)
}
return
}
close := true
defer func() {
if close {
uploader.Close()
}
}()
if ctx.Req.Body != nil {
if err := uploader.Append(ctx, ctx.Req.Body); err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
}
if digest != digestFromHashSummer(uploader) {
apiErrorDefined(ctx, errDigestInvalid)
return
}
if _, err := saveAsPackageBlob(uploader, &packages_service.PackageInfo{Owner: ctx.Package.Owner, Name: image}); err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
if err := uploader.Close(); err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
close = false
if err := container_service.RemoveBlobUploadByID(ctx, uploader.ID); err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
setResponseHeaders(ctx.Resp, &containerHeaders{
Location: fmt.Sprintf("/v2/%s/%s/blobs/%s", ctx.Package.Owner.LowerName, image, digest),
ContentDigest: digest,
Status: http.StatusCreated,
})
}
func getBlobFromContext(ctx *context.Context) (*packages_model.PackageFileDescriptor, error) {
digest := ctx.Params("digest")
if !oci.Digest(digest).Validate() {
return nil, container_model.ErrContainerBlobNotExist
}
return container_model.GetContainerBlob(ctx, &container_model.BlobSearchOptions{
OwnerID: ctx.Package.Owner.ID,
Image: ctx.Params("image"),
Digest: digest,
})
}
// https://github.com/opencontainers/distribution-spec/blob/main/spec.md#checking-if-content-exists-in-the-registry
func HeadBlob(ctx *context.Context) {
blob, err := getBlobFromContext(ctx)
if err != nil {
if err == container_model.ErrContainerBlobNotExist {
apiErrorDefined(ctx, errBlobUnknown)
} else {
apiError(ctx, http.StatusInternalServerError, err)
}
return
}
setResponseHeaders(ctx.Resp, &containerHeaders{
ContentDigest: blob.Properties.GetByName(container_module.PropertyDigest),
ContentLength: blob.Blob.Size,
Status: http.StatusOK,
})
}
// https://github.com/opencontainers/distribution-spec/blob/main/spec.md#pulling-blobs
func GetBlob(ctx *context.Context) {
blob, err := getBlobFromContext(ctx)
if err != nil {
if err == container_model.ErrContainerBlobNotExist {
apiErrorDefined(ctx, errBlobUnknown)
} else {
apiError(ctx, http.StatusInternalServerError, err)
}
return
}
s, err := packages_module.NewContentStore().Get(packages_module.BlobHash256Key(blob.Blob.HashSHA256))
if err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
defer s.Close()
setResponseHeaders(ctx.Resp, &containerHeaders{
ContentDigest: blob.Properties.GetByName(container_module.PropertyDigest),
ContentType: blob.Properties.GetByName(container_module.PropertyMediaType),
ContentLength: blob.Blob.Size,
Status: http.StatusOK,
})
if _, err := io.Copy(ctx.Resp, s); err != nil {
log.Error("Error whilst copying content to response: %v", err)
}
}
// https://github.com/opencontainers/distribution-spec/blob/main/spec.md#deleting-blobs
func DeleteBlob(ctx *context.Context) {
digest := ctx.Params("digest")
if !oci.Digest(digest).Validate() {
apiErrorDefined(ctx, errBlobUnknown)
return
}
if err := deleteBlob(ctx.Package.Owner.ID, ctx.Params("image"), digest); err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
setResponseHeaders(ctx.Resp, &containerHeaders{
Status: http.StatusAccepted,
})
}
// https://github.com/opencontainers/distribution-spec/blob/main/spec.md#pushing-manifests
func UploadManifest(ctx *context.Context) {
reference := ctx.Params("reference")
mci := &manifestCreationInfo{
MediaType: oci.MediaType(ctx.Req.Header.Get("Content-Type")),
Owner: ctx.Package.Owner,
Creator: ctx.Doer,
Image: ctx.Params("image"),
Reference: reference,
IsTagged: !oci.Digest(reference).Validate(),
}
if mci.IsTagged && !oci.Reference(reference).Validate() {
apiErrorDefined(ctx, errManifestInvalid.WithMessage("Tag is invalid"))
return
}
maxSize := maxManifestSize + 1
buf, err := packages_module.CreateHashedBufferFromReader(&io.LimitedReader{R: ctx.Req.Body, N: int64(maxSize)}, maxSize)
if err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
defer buf.Close()
if buf.Size() > maxManifestSize {
apiErrorDefined(ctx, errManifestInvalid.WithMessage("Manifest exceeds maximum size").WithStatusCode(http.StatusRequestEntityTooLarge))
return
}
digest, err := processManifest(mci, buf)
if err != nil {
var namedError *namedError
if errors.As(err, &namedError) {
apiErrorDefined(ctx, namedError)
} else if errors.Is(err, container_model.ErrContainerBlobNotExist) {
apiErrorDefined(ctx, errBlobUnknown)
} else {
apiError(ctx, http.StatusInternalServerError, err)
}
return
}
setResponseHeaders(ctx.Resp, &containerHeaders{
Location: fmt.Sprintf("/v2/%s/%s/manifests/%s", ctx.Package.Owner.LowerName, mci.Image, reference),
ContentDigest: digest,
Status: http.StatusCreated,
})
}
func getManifestFromContext(ctx *context.Context) (*packages_model.PackageFileDescriptor, error) {
reference := ctx.Params("reference")
opts := &container_model.BlobSearchOptions{
OwnerID: ctx.Package.Owner.ID,
Image: ctx.Params("image"),
IsManifest: true,
}
if oci.Digest(reference).Validate() {
opts.Digest = reference
} else if oci.Reference(reference).Validate() {
opts.Tag = reference
} else {
return nil, container_model.ErrContainerBlobNotExist
}
return container_model.GetContainerBlob(ctx, opts)
}
// https://github.com/opencontainers/distribution-spec/blob/main/spec.md#checking-if-content-exists-in-the-registry
func HeadManifest(ctx *context.Context) {
manifest, err := getManifestFromContext(ctx)
if err != nil {
if err == container_model.ErrContainerBlobNotExist {
apiErrorDefined(ctx, errManifestUnknown)
} else {
apiError(ctx, http.StatusInternalServerError, err)
}
return
}
setResponseHeaders(ctx.Resp, &containerHeaders{
ContentDigest: manifest.Properties.GetByName(container_module.PropertyDigest),
ContentType: manifest.Properties.GetByName(container_module.PropertyMediaType),
ContentLength: manifest.Blob.Size,
Status: http.StatusOK,
})
}
// https://github.com/opencontainers/distribution-spec/blob/main/spec.md#pulling-manifests
func GetManifest(ctx *context.Context) {
manifest, err := getManifestFromContext(ctx)
if err != nil {
if err == container_model.ErrContainerBlobNotExist {
apiErrorDefined(ctx, errManifestUnknown)
} else {
apiError(ctx, http.StatusInternalServerError, err)
}
return
}
s, err := packages_module.NewContentStore().Get(packages_module.BlobHash256Key(manifest.Blob.HashSHA256))
if err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
defer s.Close()
setResponseHeaders(ctx.Resp, &containerHeaders{
ContentDigest: manifest.Properties.GetByName(container_module.PropertyDigest),
ContentType: manifest.Properties.GetByName(container_module.PropertyMediaType),
ContentLength: manifest.Blob.Size,
Status: http.StatusOK,
})
if _, err := io.Copy(ctx.Resp, s); err != nil {
log.Error("Error whilst copying content to response: %v", err)
}
}
// https://github.com/opencontainers/distribution-spec/blob/main/spec.md#deleting-tags
// https://github.com/opencontainers/distribution-spec/blob/main/spec.md#deleting-manifests
func DeleteManifest(ctx *context.Context) {
reference := ctx.Params("reference")
opts := &container_model.BlobSearchOptions{
OwnerID: ctx.Package.Owner.ID,
Image: ctx.Params("image"),
IsManifest: true,
}
if oci.Digest(reference).Validate() {
opts.Digest = reference
} else if oci.Reference(reference).Validate() {
opts.Tag = reference
} else {
apiErrorDefined(ctx, errManifestUnknown)
return
}
pvs, err := container_model.GetManifestVersions(ctx, opts)
if err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
if len(pvs) == 0 {
apiErrorDefined(ctx, errManifestUnknown)
return
}
for _, pv := range pvs {
if err := packages_service.RemovePackageVersion(ctx.Doer, pv); err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
}
setResponseHeaders(ctx.Resp, &containerHeaders{
Status: http.StatusAccepted,
})
}
// https://github.com/opencontainers/distribution-spec/blob/main/spec.md#content-discovery
func GetTagList(ctx *context.Context) {
image := ctx.Params("image")
if _, err := packages_model.GetPackageByName(ctx, ctx.Package.Owner.ID, packages_model.TypeContainer, image); err != nil {
if err == packages_model.ErrPackageNotExist {
apiErrorDefined(ctx, errNameUnknown)
} else {
apiError(ctx, http.StatusInternalServerError, err)
}
return
}
n := -1
if ctx.FormTrim("n") != "" {
n = ctx.FormInt("n")
}
last := ctx.FormTrim("last")
tags, err := container_model.GetImageTags(ctx, ctx.Package.Owner.ID, image, n, last)
if err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
type TagList struct {
Name string `json:"name"`
Tags []string `json:"tags"`
}
if len(tags) > 0 {
v := url.Values{}
if n > 0 {
v.Add("n", strconv.Itoa(n))
}
v.Add("last", tags[len(tags)-1])
ctx.Resp.Header().Set("Link", fmt.Sprintf(`</v2/%s/%s/tags/list?%s>; rel="next"`, ctx.Package.Owner.LowerName, image, v.Encode()))
}
jsonResponse(ctx, http.StatusOK, TagList{
Name: strings.ToLower(ctx.Package.Owner.LowerName + "/" + image),
Tags: tags,
})
}

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// Copyright 2022 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package container
import (
"net/http"
)
// https://github.com/opencontainers/distribution-spec/blob/main/spec.md#error-codes
var (
errBlobUnknown = &namedError{Code: "BLOB_UNKNOWN", StatusCode: http.StatusNotFound}
errBlobUploadInvalid = &namedError{Code: "BLOB_UPLOAD_INVALID", StatusCode: http.StatusBadRequest}
errBlobUploadUnknown = &namedError{Code: "BLOB_UPLOAD_UNKNOWN", StatusCode: http.StatusNotFound}
errDigestInvalid = &namedError{Code: "DIGEST_INVALID", StatusCode: http.StatusBadRequest}
errManifestBlobUnknown = &namedError{Code: "MANIFEST_BLOB_UNKNOWN", StatusCode: http.StatusNotFound}
errManifestInvalid = &namedError{Code: "MANIFEST_INVALID", StatusCode: http.StatusBadRequest}
errManifestUnknown = &namedError{Code: "MANIFEST_UNKNOWN", StatusCode: http.StatusNotFound}
errNameInvalid = &namedError{Code: "NAME_INVALID", StatusCode: http.StatusBadRequest}
errNameUnknown = &namedError{Code: "NAME_UNKNOWN", StatusCode: http.StatusNotFound}
errSizeInvalid = &namedError{Code: "SIZE_INVALID", StatusCode: http.StatusBadRequest}
errUnauthorized = &namedError{Code: "UNAUTHORIZED", StatusCode: http.StatusUnauthorized}
errUnsupported = &namedError{Code: "UNSUPPORTED", StatusCode: http.StatusNotImplemented}
)
type namedError struct {
Code string
StatusCode int
Message string
}
func (e *namedError) Error() string {
return e.Message
}
// WithMessage creates a new instance of the error with a different message
func (e *namedError) WithMessage(message string) *namedError {
return &namedError{
Code: e.Code,
StatusCode: e.StatusCode,
Message: message,
}
}
// WithStatusCode creates a new instance of the error with a different status code
func (e *namedError) WithStatusCode(statusCode int) *namedError {
return &namedError{
Code: e.Code,
StatusCode: statusCode,
Message: e.Message,
}
}

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@ -0,0 +1,408 @@
// Copyright 2022 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package container
import (
"context"
"fmt"
"io"
"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"
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()
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()
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) {
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 {
log.Error("Error inserting package: %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
}
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 {
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
}
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
}