Block leading and trailing whitespace in field values #760
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This blocks header values with leading and trailing whitespace. This is not needed for HTTP/1.x where the parser already strips such whitespace, but in HTTP/2 and HTTP/3 the parser does not strip such whitespace and so it is up to the `http` crate to reject such headers. Different HTTP/2 and HTTP/3 libraries treat such values differently, so rejection is the safest option. Fixes hyperium#245
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This blocks header values with leading and trailing whitespace. This is not needed for HTTP/1.x where the parser already strips such whitespace, but in HTTP/2 and HTTP/3 the parser does not strip such whitespace and so it is up to the
httpcrate to reject such headers.Different HTTP/2 and HTTP/3 libraries treat such values differently, so rejection is the safest option.
Fixes #245