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vulnerability evaluator: Submit reviews with just comment if the author is the same as the mediator identity #952

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merged 1 commit into from
Sep 15, 2023

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jhrozek
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@jhrozek jhrozek commented Sep 13, 2023

Because github doesn't let you review your own code, in case mediator is
running as the same identity as the contributor submitting the PR, we
can't request changes.

In that case, let's just mark the review as commenting instead of
changes requested. A follow-up patch would then set the commit status to
failed to prevent merge.

Fixes: #951

proto/mediator/v1/mediator.proto Outdated Show resolved Hide resolved
@@ -802,10 +802,16 @@ func getPullRequestInfoFromPayload(
return nil, fmt.Errorf("error getting pull request number from payload: %w", err)
}

prAuthorId, err := util.JQReadFrom[float64](ctx, ".pull_request.user.id", payload)
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This is reading a float64 and then storing it as an int64. Can we extract this as an int64? I doubt we'll lose precision, but it makes me nervous.

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hmm, I think that must by copy-pasta. Let me look into changing it.

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so this is indeed copy-paste, we use float64 everywhere in the Go accessor and also used float64 before we introduced the go-generics-powered JQReadFrom.

However, just trying to convert to int64 gives me an error like:

could not type assert 1 to int64

which is coming from:

       out, ok := outAny.(T)
	if !ok {
		return out, fmt.Errorf("could not type assert %v to %v", outAny, reflect.TypeOf(out))
	}

I'll admit I don't know why doesn't Go like this type conversion, do you have some idea? I wonder if it's because the JQ library might be using encoding/json under the hood which says in the docs that the default value for numerical types in float64?

But at the same time, plain ol' int seems to work fine, so maybe I'm just Go-impaired and don't see the issue.

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I'm fine with adding a TODO if it requires a lot of debugging. Just keeping track of where we have this debt will be the first step in cleaning it up in December.

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thank you I filed #965 and will move on with this PR.

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alongside evans points on types, looks good to me!

…or is the same as the mediator identity

Because github doesn't let you review your own code, in case mediator is
running as the same identity as the contributor submitting the PR, we
can't request changes.

In that case, let's just mark the review as commenting instead of
changes requested. A follow-up patch would then set the commit status to
failed to prevent merge.

Fixes: #951
@jhrozek jhrozek merged commit 4b90ccc into mindersec:main Sep 15, 2023
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Pull request reviews don't work for contributors under the same identity as mediator
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