resolve-shims: prevent prototype manipulation#246
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Prevents prototype manipulation in the
separateExposeGlobalsfunction. The suppliedshimsare parsed from JSON and could in theory contain a__proto__key. It is not clear that this is even exploitable to manipulate the any behavior ofexposeGlobals, let alone the global object prototype.Nevertheless, out of an abundance of caution, this forbids passing
__proto__orconstructoras shims.Closes #245