Make check for RequestVerificationToken case insensitive as per RFC 7230 and RFC 7540. #4959
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…230 and RFC 7540. The AllKeys property is a plain string[] and Contains is the System.Linq.Enumerable.Contains<T>() which by default does a case-sensitive check.
mitchelsellers
approved these changes
Dec 10, 2021
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Fixes #4958
Summary
Properly check for RequestVerificationToken and __RequestVerificationToken in ValidateAntiForgeryTokenAttribute.
The AllKeys property is a plain string[] and Contains is the System.Linq.Enumerable.Contains() which by default does a case-sensitive check.