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Add signature support for the RPM module (#27069)

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close  #27031

If the rpm package does not contain a matching gpg signature, the
installation will fail. See (#27031) , now auto-signing rpm uploads.

This option is turned off by default for compatibility.
This commit is contained in:
Exploding Dragon
2024-08-06 21:03:33 +08:00
committed by GitHub
parent 94cca8846e
commit de175e3b06
5 changed files with 82 additions and 5 deletions
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38
services/packages/rpm/repository.go
View File

@@ -21,14 +21,16 @@ import (
rpm_model "code.gitea.io/gitea/models/packages/rpm"
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"
rpm_module "code.gitea.io/gitea/modules/packages/rpm"
"code.gitea.io/gitea/modules/util"
packages_service "code.gitea.io/gitea/services/packages"
"github.com/keybase/go-crypto/openpgp"
"github.com/keybase/go-crypto/openpgp/armor"
"github.com/keybase/go-crypto/openpgp/packet"
"github.com/ProtonMail/go-crypto/openpgp"
"github.com/ProtonMail/go-crypto/openpgp/armor"
"github.com/ProtonMail/go-crypto/openpgp/packet"
"github.com/sassoftware/go-rpmutils"
)
// GetOrCreateRepositoryVersion gets or creates the internal repository package
@@ -641,3 +643,33 @@ func addDataAsFileToRepo(ctx context.Context, pv *packages_model.PackageVersion,
OpenSize: wc.Written(),
}, nil
}
func SignPackage(rpm *packages_module.HashedBuffer, privateKey string) (*packages_module.HashedBuffer, error) {
keyring, err := openpgp.ReadArmoredKeyRing(bytes.NewReader([]byte(privateKey)))
if err != nil {
// failed to parse key
return nil, err
}
entity := keyring[0]
h, err := rpmutils.SignRpmStream(rpm, entity.PrivateKey, nil)
if err != nil {
// error signing rpm
return nil, err
}
signBlob, err := h.DumpSignatureHeader(false)
if err != nil {
// error writing sig header
return nil, err
}
if len(signBlob)%8 != 0 {
log.Info("incorrect padding: got %d bytes, expected a multiple of 8", len(signBlob))
return nil, err
}
// move fp to sign end
if _, err := rpm.Seek(int64(h.OriginalSignatureHeaderSize()), io.SeekStart); err != nil {
return nil, err
}
// create signed rpm buf
return packages_module.CreateHashedBufferFromReader(io.MultiReader(bytes.NewReader(signBlob), rpm))
}