Wrote a patch to make it significantly easier to test whether a request or response contains certain headers in http-types. Similarish ergonomics as Ruby's net::http (: https://github.com/http-rs/http-types/pull/110 …pic.twitter.com/VXlNOZuBzf
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Wrote a patch to make it significantly easier to test whether a request or response contains certain headers in http-types. Similarish ergonomics as Ruby's net::http (: https://github.com/http-rs/http-types/pull/110 …pic.twitter.com/VXlNOZuBzf
What happens if the header is not present ? (The “[]” traditionally panics on that, right ?) Also, what happens if the header is present twice ?
We return a custom type that's the equivalent of a Vec of headers; comparing to a string slice is a convenient PartialEq impl. If a header is not present it'll indeed panic. Headers::get) is the non-panic variant (similar to HashMap::get).
Oh cool, thanks ! So the string comparison will be the logical-OR of comparisons across all occurrences of a header ?
String comparison will only match if there's exactly one entry present — for multiple entries compare to HeaderValues (our Vec-like struct).
The reason for asking was the potential security implications - seems like both the “logical-OR” and “match if only one instance” have the “surprise potential”, depending on the scenario ?
I was going to tell you how our model already covers that since we reject if our HeaderValues contains more than one header... only to realize we forgot to actually add that check. So thank you; glad this wasn't part of any release (:https://github.com/http-rs/http-types/pull/113 …
Cool!! human-based fuzzing
I presume it also handles cases like “Content-type” vs “Content-Type” being treated as the same header name by default ? (At least luckily there’s no Unicode string equivalence to worry about :-)
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