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Add type safe state extractor (#1155)

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* begin threading the state through

* Pass state to extractors

* make state extractor work

* make sure nesting with different states work

* impl Service for MethodRouter<()>

* Fix some of axum-macro's tests

* Implement more traits for `State`

* Update examples to use `State`

* consistent naming of request body param

* swap type params

* Default the state param to ()

* fix docs references

* Docs and handler state refactoring

* docs clean ups

* more consistent naming

* when does MethodRouter implement Service?

* add missing docs

* use `Router`'s default state type param

* changelog

* don't use default type param for FromRequest and RequestParts

probably safer for library authors so you don't accidentally forget

* fix examples

* minor docs tweaks

* clarify how to convert handlers into services

* group methods in one impl block

* make sure merged `MethodRouter`s can access state

* fix docs link

* test merge with same state type

* Document how to access state from middleware

* Port cookie extractors to use state to extract keys (#1250)

* Updates ECOSYSTEM with a new sample project (#1252)

* Avoid unhelpful compiler suggestion (#1251)

* fix docs typo

* document how library authors should access state

* Add `RequestParts::with_state`

* fix example

* apply suggestions from review

* add relevant changes to axum-extra and axum-core changelogs

* Add `route_service_with_tsr`

* fix trybuild expectations

* make sure `SpaRouter` works with routers that have state

* Change order of type params on FromRequest and RequestParts

* reverse order of `RequestParts::with_state` args to match type params

* Add `FromRef` trait (#1268)

* Add `FromRef` trait

* Remove unnecessary type params

* format

* fix docs link

* format examples

* Avoid unnecessary `MethodRouter`

* apply suggestions from review

Co-authored-by: Dani Pardo <[email protected]>
Co-authored-by: Jonas Platte <[email protected]>
This commit is contained in:
David Pedersen
2022-08-17 15:13:31 +00:00
committed by GitHub
co-authored by Dani Pardo Jonas Platte
parent 90dbd52ee4
commit 423308de3c
132 changed files with 2404 additions and 1126 deletions
Download Patch File Download Diff File Expand all files Collapse all files
axum-extra/src/extract/cookie/mod.rs
+36 -11
View File
@@ -80,7 +80,7 @@ pub use cookie::Key;
/// let app = Router::new()
/// .route("/sessions", post(create_session))
/// .route("/me", get(me));
/// # let app: Router<axum::body::Body> = app;
/// # let app: Router = app;
/// ```
#[derive(Debug, Default)]
pub struct CookieJar {
@@ -88,13 +88,14 @@ pub struct CookieJar {
}
#[async_trait]
impl<B> FromRequest<B> for CookieJar
impl<S, B> FromRequest<S, B> for CookieJar
where
B: Send,
S: Send,
{
type Rejection = Infallible;
async fn from_request(req: &mut RequestParts<B>) -> Result<Self, Self::Rejection> {
async fn from_request(req: &mut RequestParts<S, B>) -> Result<Self, Self::Rejection> {
Ok(Self::from_headers(req.headers()))
}
}
@@ -226,7 +227,7 @@ fn set_cookies(jar: cookie::CookieJar, headers: &mut HeaderMap) {
#[cfg(test)]
mod tests {
use super::*;
use axum::{body::Body, http::Request, routing::get, Extension, Router};
use axum::{body::Body, extract::FromRef, http::Request, routing::get, Router};
use tower::ServiceExt;
macro_rules! cookie_test {
@@ -245,12 +246,15 @@ mod tests {
jar.remove(Cookie::named("key"))
}
let app = Router::<Body>::new()
let state = AppState {
key: Key::generate(),
custom_key: CustomKey(Key::generate()),
};
let app = Router::<_, Body>::with_state(state)
.route("/set", get(set_cookie))
.route("/get", get(get_cookie))
.route("/remove", get(remove_cookie))
.layer(Extension(Key::generate()))
.layer(Extension(CustomKey(Key::generate())));
.route("/remove", get(remove_cookie));
let res = app
.clone()
@@ -298,6 +302,24 @@ mod tests {
cookie_test!(private_cookies, PrivateCookieJar);
cookie_test!(private_cookies_with_custom_key, PrivateCookieJar<CustomKey>);
#[derive(Clone)]
struct AppState {
key: Key,
custom_key: CustomKey,
}
impl FromRef<AppState> for Key {
fn from_ref(state: &AppState) -> Key {
state.key.clone()
}
}
impl FromRef<AppState> for CustomKey {
fn from_ref(state: &AppState) -> CustomKey {
state.custom_key.clone()
}
}
#[derive(Clone)]
struct CustomKey(Key);
@@ -313,9 +335,12 @@ mod tests {
format!("{:?}", jar.get("key"))
}
let app = Router::<Body>::new()
.route("/get", get(get_cookie))
.layer(Extension(Key::generate()));
let state = AppState {
key: Key::generate(),
custom_key: CustomKey(Key::generate()),
};
let app = Router::<_, Body>::with_state(state).route("/get", get(get_cookie));
let res = app
.clone()
axum-extra/src/extract/cookie/private.rs
+33 -19
View File
@@ -1,9 +1,8 @@
use super::{cookies_from_request, set_cookies, Cookie, Key};
use axum::{
async_trait,
extract::{FromRequest, RequestParts},
extract::{FromRef, FromRequest, RequestParts},
response::{IntoResponse, IntoResponseParts, Response, ResponseParts},
Extension,
};
use cookie::PrivateJar;
use http::HeaderMap;
@@ -23,9 +22,8 @@ use std::{convert::Infallible, fmt, marker::PhantomData};
/// ```rust
/// use axum::{
/// Router,
/// Extension,
/// routing::{post, get},
/// extract::TypedHeader,
/// extract::{TypedHeader, FromRef},
/// response::{IntoResponse, Redirect},
/// headers::authorization::{Authorization, Bearer},
/// http::StatusCode,
@@ -45,22 +43,36 @@ use std::{convert::Infallible, fmt, marker::PhantomData};
/// }
/// }
///
/// // Generate a secure key
/// //
/// // You probably don't wanna generate a new one each time the app starts though
/// let key = Key::generate();
/// // our application state
/// #[derive(Clone)]
/// struct AppState {
/// // that holds the key used to sign cookies
/// key: Key,
/// }
///
/// let app = Router::new()
/// // this impl tells `SignedCookieJar` how to access the key from our state
/// impl FromRef<AppState> for Key {
/// fn from_ref(state: &AppState) -> Self {
/// state.key.clone()
/// }
/// }
///
/// let state = AppState {
/// // Generate a secure key
/// //
/// // You probably don't wanna generate a new one each time the app starts though
/// key: Key::generate(),
/// };
///
/// let app = Router::with_state(state)
/// .route("/set", post(set_secret))
/// .route("/get", get(get_secret))
/// // add extension with the key so `PrivateCookieJar` can access it
/// .layer(Extension(key));
/// # let app: Router<axum::body::Body> = app;
/// .route("/get", get(get_secret));
/// # let app: Router<_> = app;
/// ```
pub struct PrivateCookieJar<K = Key> {
jar: cookie::CookieJar,
key: Key,
// The key used to extract the key extension. Allows users to use multiple keys for different
// The key used to extract the key. Allows users to use multiple keys for different
// jars. Maybe a library wants its own key.
_marker: PhantomData<K>,
}
@@ -75,15 +87,17 @@ impl<K> fmt::Debug for PrivateCookieJar<K> {
}
#[async_trait]
impl<B, K> FromRequest<B> for PrivateCookieJar<K>
impl<S, B, K> FromRequest<S, B> for PrivateCookieJar<K>
where
B: Send,
K: Into<Key> + Clone + Send + Sync + 'static,
S: Send,
K: FromRef<S> + Into<Key>,
{
type Rejection = <axum::Extension<K> as FromRequest<B>>::Rejection;
type Rejection = Infallible;
async fn from_request(req: &mut RequestParts<B>) -> Result<Self, Self::Rejection> {
let key = req.extract::<Extension<K>>().await?.0.into();
async fn from_request(req: &mut RequestParts<S, B>) -> Result<Self, Self::Rejection> {
let k = K::from_ref(req.state());
let key = k.into();
let PrivateCookieJar {
jar,
key,
axum-extra/src/extract/cookie/signed.rs
+33 -19
View File
@@ -1,9 +1,8 @@
use super::{cookies_from_request, set_cookies};
use axum::{
async_trait,
extract::{FromRequest, RequestParts},
extract::{FromRef, FromRequest, RequestParts},
response::{IntoResponse, IntoResponseParts, Response, ResponseParts},
Extension,
};
use cookie::SignedJar;
use cookie::{Cookie, Key};
@@ -24,9 +23,8 @@ use std::{convert::Infallible, fmt, marker::PhantomData};
/// ```rust
/// use axum::{
/// Router,
/// Extension,
/// routing::{post, get},
/// extract::TypedHeader,
/// extract::{TypedHeader, FromRef},
/// response::{IntoResponse, Redirect},
/// headers::authorization::{Authorization, Bearer},
/// http::StatusCode,
@@ -63,22 +61,36 @@ use std::{convert::Infallible, fmt, marker::PhantomData};
/// # todo!()
/// }
///
/// // Generate a secure key
/// //
/// // You probably don't wanna generate a new one each time the app starts though
/// let key = Key::generate();
/// // our application state
/// #[derive(Clone)]
/// struct AppState {
/// // that holds the key used to sign cookies
/// key: Key,
/// }
///
/// let app = Router::new()
/// // this impl tells `SignedCookieJar` how to access the key from our state
/// impl FromRef<AppState> for Key {
/// fn from_ref(state: &AppState) -> Self {
/// state.key.clone()
/// }
/// }
///
/// let state = AppState {
/// // Generate a secure key
/// //
/// // You probably don't wanna generate a new one each time the app starts though
/// key: Key::generate(),
/// };
///
/// let app = Router::with_state(state)
/// .route("/sessions", post(create_session))
/// .route("/me", get(me))
/// // add extension with the key so `SignedCookieJar` can access it
/// .layer(Extension(key));
/// # let app: Router<axum::body::Body> = app;
/// .route("/me", get(me));
/// # let app: Router<_> = app;
/// ```
pub struct SignedCookieJar<K = Key> {
jar: cookie::CookieJar,
key: Key,
// The key used to extract the key extension. Allows users to use multiple keys for different
// The key used to extract the key. Allows users to use multiple keys for different
// jars. Maybe a library wants its own key.
_marker: PhantomData<K>,
}
@@ -93,15 +105,17 @@ impl<K> fmt::Debug for SignedCookieJar<K> {
}
#[async_trait]
impl<B, K> FromRequest<B> for SignedCookieJar<K>
impl<S, B, K> FromRequest<S, B> for SignedCookieJar<K>
where
B: Send,
K: Into<Key> + Clone + Send + Sync + 'static,
S: Send,
K: FromRef<S> + Into<Key>,
{
type Rejection = <axum::Extension<K> as FromRequest<B>>::Rejection;
type Rejection = Infallible;
async fn from_request(req: &mut RequestParts<B>) -> Result<Self, Self::Rejection> {
let key = req.extract::<Extension<K>>().await?.0.into();
async fn from_request(req: &mut RequestParts<S, B>) -> Result<Self, Self::Rejection> {
let k = K::from_ref(req.state());
let key = k.into();
let SignedCookieJar {
jar,
key,