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add some useful header name constants (#2956)

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Rob Ede 2023-01-02 13:33:31 +00:00 committed by GitHub
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commit 7b936bc443
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3 changed files with 70 additions and 12 deletions

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@ -4,12 +4,20 @@
### Added
- Implement `MessageBody` for `&mut B` where `B: MessageBody + Unpin`. [#2868]
- Implement `MessageBody` for `Pin<B>` where `B::Target: MessageBody`. [#2868]
- Header name constants in `header` module. [#2956]
- `CROSS_ORIGIN_EMBEDDER_POLICY`
- `CROSS_ORIGIN_OPENER_POLICY`
- `PERMISSIONS_POLICY`
- `X_FORWARDED_FOR`
- `X_FORWARDED_HOST`
- `X_FORWARDED_PROTO`
### Performance
- Improve overall performance of operations on `Extensions`. [#2890]
[#2868]: https://github.com/actix/actix-web/pull/2868
[#2890]: https://github.com/actix/actix-web/pull/2890
[#2956]: https://github.com/actix/actix-web/pull/2956
## 3.2.2 - 2022-09-11

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//! Common header names not defined in [`http`].
//!
//! Any headers added to this file will need to be re-exported from the list at `crate::headers`.
use http::header::HeaderName;
/// Response header that prevents a document from loading any cross-origin resources that don't
/// explicitly grant the document permission (using [CORP] or [CORS]).
///
/// [CORP]: https://developer.mozilla.org/en-US/docs/Web/HTTP/Cross-Origin_Resource_Policy_(CORP)
/// [CORS]: https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS
pub const CROSS_ORIGIN_EMBEDDER_POLICY: HeaderName =
HeaderName::from_static("cross-origin-embedder-policy");
/// Response header that allows you to ensure a top-level document does not share a browsing context
/// group with cross-origin documents.
pub const CROSS_ORIGIN_OPENER_POLICY: HeaderName =
HeaderName::from_static("cross-origin-opener-policy");
/// Response header that conveys a desire that the browser blocks no-cors cross-origin/cross-site
/// requests to the given resource.
pub const CROSS_ORIGIN_RESOURCE_POLICY: HeaderName =
HeaderName::from_static("cross-origin-resource-policy");
/// Response header that provides a mechanism to allow and deny the use of browser features in a
/// document or within any `<iframe>` elements in the document.
pub const PERMISSIONS_POLICY: HeaderName = HeaderName::from_static("permissions-policy");
/// Request header (de-facto standard) for identifying the originating IP address of a client
/// connecting to a web server through a proxy server.
pub const X_FORWARDED_FOR: HeaderName = HeaderName::from_static("x-forwarded-for");
/// Request header (de-facto standard) for identifying the original host requested by the client in
/// the `Host` HTTP request header.
pub const X_FORWARDED_HOST: HeaderName = HeaderName::from_static("x-forwarded-host");
/// Request header (de-facto standard) for identifying the protocol that a client used to connect to
/// your proxy or load balancer.
pub const X_FORWARDED_PROTO: HeaderName = HeaderName::from_static("x-forwarded-proto");

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@ -1,14 +1,18 @@
//! Pre-defined `HeaderName`s, traits for parsing and conversion, and other header utility methods.
// declaring new header consts will yield this error
#![allow(clippy::declare_interior_mutable_const)]
use percent_encoding::{AsciiSet, CONTROLS};
// re-export from http except header map related items
pub use http::header::{
pub use ::http::header::{
HeaderName, HeaderValue, InvalidHeaderName, InvalidHeaderValue, ToStrError,
};
// re-export const header names
pub use http::header::{
// re-export const header names, list is explicit so that any updates to `common` module do not
// conflict with this set
pub use ::http::header::{
ACCEPT, ACCEPT_CHARSET, ACCEPT_ENCODING, ACCEPT_LANGUAGE, ACCEPT_RANGES,
ACCESS_CONTROL_ALLOW_CREDENTIALS, ACCESS_CONTROL_ALLOW_HEADERS,
ACCESS_CONTROL_ALLOW_METHODS, ACCESS_CONTROL_ALLOW_ORIGIN, ACCESS_CONTROL_EXPOSE_HEADERS,
@ -30,22 +34,29 @@ pub use http::header::{
use crate::{error::ParseError, HttpMessage};
mod as_name;
mod common;
mod into_pair;
mod into_value;
pub mod map;
mod shared;
mod utils;
pub use self::as_name::AsHeaderName;
pub use self::into_pair::TryIntoHeaderPair;
pub use self::into_value::TryIntoHeaderValue;
pub use self::map::HeaderMap;
pub use self::shared::{
parse_extended_value, q, Charset, ContentEncoding, ExtendedValue, HttpDate, LanguageTag,
Quality, QualityItem,
pub use self::{
as_name::AsHeaderName,
into_pair::TryIntoHeaderPair,
into_value::TryIntoHeaderValue,
map::HeaderMap,
shared::{
parse_extended_value, q, Charset, ContentEncoding, ExtendedValue, HttpDate,
LanguageTag, Quality, QualityItem,
},
utils::{fmt_comma_delimited, from_comma_delimited, from_one_raw_str, http_percent_encode},
};
pub use self::utils::{
fmt_comma_delimited, from_comma_delimited, from_one_raw_str, http_percent_encode,
// re-export list is explicit so that any updates to `http` do not conflict with this set
pub use self::common::{
CROSS_ORIGIN_EMBEDDER_POLICY, CROSS_ORIGIN_OPENER_POLICY, CROSS_ORIGIN_RESOURCE_POLICY,
PERMISSIONS_POLICY, X_FORWARDED_FOR, X_FORWARDED_HOST, X_FORWARDED_PROTO,
};
/// An interface for types that already represent a valid header.