22 lines
792 B
Rust
22 lines
792 B
Rust
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use crate::IntoHeader;
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use http::header::{HeaderName, InvalidHeaderValue};
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use http::HeaderValue;
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/// `XDnsPrefetchControl` sets the `X-DNS-Prefetch-Control` header to help control DNS prefetching, which can improve user privacy at the expense of performance.
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/// See [documentation on MDN](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-DNS-Prefetch-Control) for more.
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#[derive(Default)]
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pub struct XDnsPrefetchControl(
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/// Is indictating whether to enable DNS prefetching.
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pub bool,
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);
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impl IntoHeader for XDnsPrefetchControl {
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fn header_name(&self) -> HeaderName {
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http::header::X_DNS_PREFETCH_CONTROL
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}
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fn header_value(&self) -> Result<HeaderValue, InvalidHeaderValue> {
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HeaderValue::from_str(if self.0 { "on" } else { "off" })
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}
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}
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