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Add direct serving of package content (#25543)

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Fixes #24723

Direct serving of content aka HTTP redirect is not mentioned in any of
the package registry specs but lots of official registries do that so it
should be supported by the usual clients.
This commit is contained in:
KN4CK3R 2023-07-03 15:33:28 +02:00 • committed by GitHub
parent f1cb461c1f
commit c890454769
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26 changed files with 195 additions and 235 deletions
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64
routers/api/packages/container/container.go
View file

@ -482,22 +482,7 @@ func GetBlob(ctx *context.Context) {
return
}
s, _, err := packages_service.GetPackageFileStream(ctx, blob.File)
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)
}
serveBlob(ctx, blob)
}
// https://github.com/opencontainers/distribution-spec/blob/main/spec.md#deleting-blobs
@ -636,22 +621,7 @@ func GetManifest(ctx *context.Context) {
return
}
s, _, err := packages_service.GetPackageFileStream(ctx, manifest.File)
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)
}
serveBlob(ctx, manifest)
}
// https://github.com/opencontainers/distribution-spec/blob/main/spec.md#deleting-tags
@ -686,6 +656,36 @@ func DeleteManifest(ctx *context.Context) {
})
}
func serveBlob(ctx *context.Context, pfd *packages_model.PackageFileDescriptor) {
s, u, _, err := packages_service.GetPackageBlobStream(ctx, pfd.File, pfd.Blob)
if err != nil {
apiError(ctx, http.StatusInternalServerError, err)
return
}
headers := &containerHeaders{
ContentDigest: pfd.Properties.GetByName(container_module.PropertyDigest),
ContentType: pfd.Properties.GetByName(container_module.PropertyMediaType),
ContentLength: pfd.Blob.Size,
Status: http.StatusOK,
}
if u != nil {
headers.Status = http.StatusTemporaryRedirect
headers.Location = u.String()
setResponseHeaders(ctx.Resp, headers)
return
}
defer s.Close()
setResponseHeaders(ctx.Resp, headers)
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#content-discovery
func GetTagList(ctx *context.Context) {
image := ctx.Params("image")