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fix(follow): pass full repo+sha to the signature verification function #323

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merged 1 commit into from
Sep 13, 2023
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fix(follow): pass full repo+sha to the signature verification function #323

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12 changes: 10 additions & 2 deletions internal/follower/follower.go
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Original file line number Diff line number Diff line change
Expand Up @@ -262,13 +262,21 @@ func (f *Follower) pull(ctx context.Context) (filePaths []string, res *oci.Regis
return filePaths, res, fmt.Errorf("unable to pull artifact %q: %w", f.ref, err)
}

repo, err := utils.RepositoryFromRef(f.ref)
if err != nil {
return filePaths, res, err
}

digestRef := fmt.Sprintf("%s@%s", repo, res.RootDigest)

// Verify the signature if needed
if f.Config.Signature != nil {
f.Verbosef("verifying signature")
err = signature.Verify(ctx, res.RootDigest, f.Config.Signature)
f.Verbosef("verifying signature for %s", digestRef)
err = signature.Verify(ctx, digestRef, f.Config.Signature)
if err != nil {
return filePaths, res, fmt.Errorf("could not verify signature for %s: %w", res.RootDigest, err)
}
f.Verbosef("signature successfully verified")
}

f.Verbosef("extracting artifact")
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