mirror of
https://github.com/actix/actix-web.git
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547 lines
13 KiB
Markdown
547 lines
13 KiB
Markdown
## 1.0.1
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* Cors middleware has been moved to `actix-cors` crate
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instead of
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```rust
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use actix_web::middleware::cors::Cors;
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```
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use
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```rust
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use actix_cors::Cors;
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```
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* Identity middleware has been moved to `actix-identity` crate
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instead of
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```rust
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use actix_web::middleware::identity::{Identity, CookieIdentityPolicy, IdentityService};
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```
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use
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```rust
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use actix_identity::{Identity, CookieIdentityPolicy, IdentityService};
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```
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## 1.0.0
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* Extractor configuration. In version 1.0 this is handled with the new `Data` mechanism for both setting and retrieving the configuration
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instead of
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```rust
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#[derive(Default)]
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struct ExtractorConfig {
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config: String,
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}
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impl FromRequest for YourExtractor {
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type Config = ExtractorConfig;
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type Result = Result<YourExtractor, Error>;
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fn from_request(req: &HttpRequest, cfg: &Self::Config) -> Self::Result {
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println!("use the config: {:?}", cfg.config);
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...
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}
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}
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App::new().resource("/route_with_config", |r| {
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r.post().with_config(handler_fn, |cfg| {
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cfg.0.config = "test".to_string();
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})
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})
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```
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use the HttpRequest to get the configuration like any other `Data` with `req.app_data::<C>()` and set it with the `data()` method on the `resource`
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```rust
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#[derive(Default)]
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struct ExtractorConfig {
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config: String,
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}
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impl FromRequest for YourExtractor {
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type Error = Error;
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type Future = Result<Self, Self::Error>;
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type Config = ExtractorConfig;
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fn from_request(req: &HttpRequest, payload: &mut Payload) -> Self::Future {
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let cfg = req.app_data::<ExtractorConfig>();
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println!("config data?: {:?}", cfg.unwrap().role);
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...
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}
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}
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App::new().service(
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resource("/route_with_config")
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.data(ExtractorConfig {
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config: "test".to_string(),
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})
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.route(post().to(handler_fn)),
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)
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```
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* Resource registration. 1.0 version uses generalized resource
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registration via `.service()` method.
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instead of
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```rust
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App.new().resource("/welcome", |r| r.f(welcome))
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```
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use App's or Scope's `.service()` method. `.service()` method accepts
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object that implements `HttpServiceFactory` trait. By default
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actix-web provides `Resource` and `Scope` services.
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```rust
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App.new().service(
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web::resource("/welcome")
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.route(web::get().to(welcome))
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.route(web::post().to(post_handler))
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```
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* Scope registration.
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instead of
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```rust
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let app = App::new().scope("/{project_id}", |scope| {
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scope
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.resource("/path1", |r| r.f(|_| HttpResponse::Ok()))
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.resource("/path2", |r| r.f(|_| HttpResponse::Ok()))
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.resource("/path3", |r| r.f(|_| HttpResponse::MethodNotAllowed()))
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});
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```
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use `.service()` for registration and `web::scope()` as scope object factory.
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```rust
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let app = App::new().service(
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web::scope("/{project_id}")
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.service(web::resource("/path1").to(|| HttpResponse::Ok()))
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.service(web::resource("/path2").to(|| HttpResponse::Ok()))
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.service(web::resource("/path3").to(|| HttpResponse::MethodNotAllowed()))
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);
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```
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* `.with()`, `.with_async()` registration methods have been renamed to `.to()` and `.to_async()`.
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instead of
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```rust
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App.new().resource("/welcome", |r| r.with(welcome))
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```
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use `.to()` or `.to_async()` methods
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```rust
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App.new().service(web::resource("/welcome").to(welcome))
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```
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* Passing arguments to handler with extractors, multiple arguments are allowed
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instead of
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```rust
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fn welcome((body, req): (Bytes, HttpRequest)) -> ... {
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...
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}
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```
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use multiple arguments
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```rust
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fn welcome(body: Bytes, req: HttpRequest) -> ... {
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...
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}
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```
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* `.f()`, `.a()` and `.h()` handler registration methods have been removed.
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Use `.to()` for handlers and `.to_async()` for async handlers. Handler function
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must use extractors.
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instead of
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```rust
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App.new().resource("/welcome", |r| r.f(welcome))
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```
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use App's `to()` or `to_async()` methods
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```rust
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App.new().service(web::resource("/welcome").to(welcome))
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```
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* `HttpRequest` does not provide access to request's payload stream.
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instead of
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```rust
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fn index(req: &HttpRequest) -> Box<Future<Item=HttpResponse, Error=Error>> {
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req
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.payload()
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.from_err()
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.fold((), |_, chunk| {
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...
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})
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.map(|_| HttpResponse::Ok().finish())
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.responder()
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}
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```
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use `Payload` extractor
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```rust
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fn index(stream: web::Payload) -> impl Future<Item=HttpResponse, Error=Error> {
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stream
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.from_err()
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.fold((), |_, chunk| {
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...
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})
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.map(|_| HttpResponse::Ok().finish())
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}
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```
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* `State` is now `Data`. You register Data during the App initialization process
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and then access it from handlers either using a Data extractor or using
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HttpRequest's api.
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instead of
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```rust
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App.with_state(T)
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```
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use App's `data` method
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```rust
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App.new()
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.data(T)
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```
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and either use the Data extractor within your handler
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```rust
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use actix_web::web::Data;
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fn endpoint_handler(Data<T>)){
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...
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}
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```
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.. or access your Data element from the HttpRequest
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```rust
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fn endpoint_handler(req: HttpRequest) {
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let data: Option<Data<T>> = req.app_data::<T>();
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}
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```
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* AsyncResponder is removed, use `.to_async()` registration method and `impl Future<>` as result type.
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instead of
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```rust
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use actix_web::AsyncResponder;
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fn endpoint_handler(...) -> impl Future<Item=HttpResponse, Error=Error>{
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...
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.responder()
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}
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```
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.. simply omit AsyncResponder and the corresponding responder() finish method
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* Middleware
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instead of
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```rust
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let app = App::new()
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.middleware(middleware::Logger::default())
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```
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use `.wrap()` method
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```rust
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let app = App::new()
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.wrap(middleware::Logger::default())
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.route("/index.html", web::get().to(index));
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```
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* `HttpRequest::body()`, `HttpRequest::urlencoded()`, `HttpRequest::json()`, `HttpRequest::multipart()`
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method have been removed. Use `Bytes`, `String`, `Form`, `Json`, `Multipart` extractors instead.
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instead of
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```rust
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fn index(req: &HttpRequest) -> Responder {
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req.body()
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.and_then(|body| {
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...
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})
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}
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```
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use
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```rust
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fn index(body: Bytes) -> Responder {
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...
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}
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```
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* `actix_web::server` module has been removed. To start http server use `actix_web::HttpServer` type
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* StaticFiles and NamedFile has been move to separate create.
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instead of `use actix_web::fs::StaticFile`
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use `use actix_files::Files`
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instead of `use actix_web::fs::Namedfile`
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use `use actix_files::NamedFile`
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* Multipart has been move to separate create.
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instead of `use actix_web::multipart::Multipart`
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use `use actix_multipart::Multipart`
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* Response compression is not enabled by default.
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To enable, use `Compress` middleware, `App::new().wrap(Compress::default())`.
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* Session middleware moved to actix-session crate
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* Actors support have been moved to `actix-web-actors` crate
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* Custom Error
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Instead of error_response method alone, ResponseError now provides two methods: error_response and render_response respectively. Where, error_response creates the error response and render_response returns the error response to the caller.
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Simplest migration from 0.7 to 1.0 shall include below method to the custom implementation of ResponseError:
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```rust
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fn render_response(&self) -> HttpResponse {
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self.error_response()
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}
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```
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## 0.7.15
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* The `' '` character is not percent decoded anymore before matching routes. If you need to use it in
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your routes, you should use `%20`.
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instead of
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```rust
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fn main() {
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let app = App::new().resource("/my index", |r| {
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r.method(http::Method::GET)
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.with(index);
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});
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}
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```
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use
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```rust
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fn main() {
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let app = App::new().resource("/my%20index", |r| {
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r.method(http::Method::GET)
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.with(index);
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});
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}
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```
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* If you used `AsyncResult::async` you need to replace it with `AsyncResult::future`
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## 0.7.4
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* `Route::with_config()`/`Route::with_async_config()` always passes configuration objects as tuple
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even for handler with one parameter.
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## 0.7
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* `HttpRequest` does not implement `Stream` anymore. If you need to read request payload
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use `HttpMessage::payload()` method.
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instead of
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```rust
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fn index(req: HttpRequest) -> impl Responder {
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req
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.from_err()
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.fold(...)
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....
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}
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```
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use `.payload()`
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```rust
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fn index(req: HttpRequest) -> impl Responder {
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req
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.payload() // <- get request payload stream
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.from_err()
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.fold(...)
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....
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}
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```
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* [Middleware](https://actix.rs/actix-web/actix_web/middleware/trait.Middleware.html)
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trait uses `&HttpRequest` instead of `&mut HttpRequest`.
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* Removed `Route::with2()` and `Route::with3()` use tuple of extractors instead.
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instead of
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```rust
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fn index(query: Query<..>, info: Json<MyStruct) -> impl Responder {}
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```
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use tuple of extractors and use `.with()` for registration:
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```rust
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fn index((query, json): (Query<..>, Json<MyStruct)) -> impl Responder {}
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```
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* `Handler::handle()` uses `&self` instead of `&mut self`
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* `Handler::handle()` accepts reference to `HttpRequest<_>` instead of value
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* Removed deprecated `HttpServer::threads()`, use
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[HttpServer::workers()](https://actix.rs/actix-web/actix_web/server/struct.HttpServer.html#method.workers) instead.
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* Renamed `client::ClientConnectorError::Connector` to
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`client::ClientConnectorError::Resolver`
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* `Route::with()` does not return `ExtractorConfig`, to configure
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extractor use `Route::with_config()`
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instead of
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```rust
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fn main() {
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let app = App::new().resource("/index.html", |r| {
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r.method(http::Method::GET)
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.with(index)
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.limit(4096); // <- limit size of the payload
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});
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}
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```
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use
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```rust
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fn main() {
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let app = App::new().resource("/index.html", |r| {
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r.method(http::Method::GET)
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.with_config(index, |cfg| { // <- register handler
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cfg.limit(4096); // <- limit size of the payload
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})
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});
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}
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```
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* `Route::with_async()` does not return `ExtractorConfig`, to configure
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extractor use `Route::with_async_config()`
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## 0.6
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* `Path<T>` extractor return `ErrorNotFound` on failure instead of `ErrorBadRequest`
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* `ws::Message::Close` now includes optional close reason.
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`ws::CloseCode::Status` and `ws::CloseCode::Empty` have been removed.
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* `HttpServer::threads()` renamed to `HttpServer::workers()`.
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* `HttpServer::start_ssl()` and `HttpServer::start_tls()` deprecated.
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Use `HttpServer::bind_ssl()` and `HttpServer::bind_tls()` instead.
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* `HttpRequest::extensions()` returns read only reference to the request's Extension
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`HttpRequest::extensions_mut()` returns mutable reference.
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* Instead of
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`use actix_web::middleware::{
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CookieSessionBackend, CookieSessionError, RequestSession,
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Session, SessionBackend, SessionImpl, SessionStorage};`
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use `actix_web::middleware::session`
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`use actix_web::middleware::session{CookieSessionBackend, CookieSessionError,
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RequestSession, Session, SessionBackend, SessionImpl, SessionStorage};`
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* `FromRequest::from_request()` accepts mutable reference to a request
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* `FromRequest::Result` has to implement `Into<Reply<Self>>`
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* [`Responder::respond_to()`](
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https://actix.rs/actix-web/actix_web/trait.Responder.html#tymethod.respond_to)
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is generic over `S`
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* Use `Query` extractor instead of HttpRequest::query()`.
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```rust
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fn index(q: Query<HashMap<String, String>>) -> Result<..> {
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...
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}
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```
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or
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```rust
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let q = Query::<HashMap<String, String>>::extract(req);
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```
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* Websocket operations are implemented as `WsWriter` trait.
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you need to use `use actix_web::ws::WsWriter`
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## 0.5
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* `HttpResponseBuilder::body()`, `.finish()`, `.json()`
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methods return `HttpResponse` instead of `Result<HttpResponse>`
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* `actix_web::Method`, `actix_web::StatusCode`, `actix_web::Version`
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moved to `actix_web::http` module
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* `actix_web::header` moved to `actix_web::http::header`
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* `NormalizePath` moved to `actix_web::http` module
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* `HttpServer` moved to `actix_web::server`, added new `actix_web::server::new()` function,
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shortcut for `actix_web::server::HttpServer::new()`
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* `DefaultHeaders` middleware does not use separate builder, all builder methods moved to type itself
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* `StaticFiles::new()`'s show_index parameter removed, use `show_files_listing()` method instead.
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* `CookieSessionBackendBuilder` removed, all methods moved to `CookieSessionBackend` type
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* `actix_web::httpcodes` module is deprecated, `HttpResponse::Ok()`, `HttpResponse::Found()` and other `HttpResponse::XXX()`
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functions should be used instead
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* `ClientRequestBuilder::body()` returns `Result<_, actix_web::Error>`
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instead of `Result<_, http::Error>`
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* `Application` renamed to a `App`
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* `actix_web::Reply`, `actix_web::Resource` moved to `actix_web::dev`
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