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Rocket/CHANGELOG.md
Sergio Benitez f800d528d3 Update CHANGELOG, add news article for 0.5.0-rc.3.
2023-03-23 16:56:15 -07:00

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# Version 0.5.0-rc.3 (Mar 23, 2023)
## Major Features and Improvements
* Added a [`max_blocking`] configuration parameter.
The parameter sets a limit on the number of threads used by blocking tasks.
* Added an [`ip_header`] "real IP" header configuration parameter.
The parameter allows modifying the header that Rocket attempts to use to retrieve the "real IP"
address of the client via `Request` methods like [`Request::client_ip()`]. Additionally, the
change allows disabling the use of any such header entirely.
* A [`pool()`] method is emitted by [`rocket_sync_db_pools`] for code-generated pools.
The method returns an opaque reference to a type that can be used to retrieve pooled connections
outside of a request handling context.
* Raw binary form field data can be retrieved using the `&[u8]` form guard.
* Data guards are now eligible [sentinels].
## General Improvements
* Final launch messages are now _always_ logged, irrespective of profile.
* Only functions that return `Rocket<Build>` are now `#[must_use]`, not all `Rocket<P>`.
* Fixed mismatched form field names in errors under certain conditions in [`FromForm`] derive.
* The [`FromForm`] derive now collects _all_ errors that occur.
* Data pools are now gracefully shutdown in [`rocket_sync_db_pools`].
* Added [`Metadata::render()`] in [`rocket_dyn_templates`] for direct template rendering.
* Rocket salvages more information from malformed requests for error catchers.
* The `cookie` `secure` feature is now properly conditionally enabled.
* Data before encapsulation boundaries in TLS keys is allowed and ignored.
* Support for TLS keys in SEC1 format was added.
* Rocket now warns when a known secret key is configured.
* A panic that could occur on shutdown in `rocket_sync_db_pools` was fixed.
### Known Media Types
- Added `MP3`: `audio/mpeg`.
- Added `CBZ`: `application/vnd.comicbook+zip`, extension `.cbz`.
- Added `CBR`: `application/vnd.comicbook-rar`, extension `.cbr`.
- Added `RAR`: `application/vnd.rar`, extension `.rar`.
- Added `EPUB`: `application/epub+zip`, extension `.epub`.
- Added `OPF`: `application/oebps-package+xml`, extension `.opf`.
- Added `XHTML`: `application/xhtml+xml`, extension `.xhtml`.
### Trait Implementations
* Implemented `Responder` for `Box<T: Responder + Sized>`.
* Implemented `FromForm` for `Arc<T>`.
* Implemented `Fairing` for `Arc<dyn Fairing>`.
### Updated Dependencies
* Updated `syn` to `2`.
* Updated `diesel` to `2.0`.
* Updated `sqlx` to `0.6`.
* Updated `notify` to `5.0`.
* Updated `criterion` to `0.4`.
* Updated `deadpool-redis` to `0.11`.
* Updated `normpath` from to `1`.
* Updated `cookie` to `0.17`.
* Replaced `atty` with `is-terminal`.
## Infrastructure
* UI tests are now allowed to fail by the CI to avoid false negatives.
* Fixed many typos, errors, and broken links throughout docs and examples.
* The GitHub CI workflow was updated to use maintained actions.
[`Metadata::render()`]: https://api.rocket.rs/v0.5-rc/rocket_dyn_templates/struct.Metadata.html#method.render
[`pool()`]: https://api.rocket.rs/v0.5-rc/rocket_sync_db_pools/example/struct.ExampleDb.html#method.pool
[`Request::client_ip()`]: https://api.rocket.rs/v0.5-rc/rocket/request/struct.Request.html#method.client_ip
[`max_blocking`]: https://api.rocket.rs/v0.5-rc/rocket/struct.Config.html#structfield.max_blocking
[`ip_header`]: https://api.rocket.rs/v0.5-rc/rocket/struct.Config.html#structfield.ip_header
# Version 0.5.0-rc.2 (May 09, 2022)
## Major Features and Improvements
* Introduced [`rocket_db_pools`] for asynchronous database pooling.
* Introduced support for [mutual TLS] and client [`Certificate`]s.
* Added a [`local_cache_once!`] macro for request-local storage.
* Added a [v0.4 to v0.5 migration guide] and [FAQ] to Rocket's website.
* Introduced [shutdown fairings].
## Breaking Changes
* `Hash` `impl`s for `MediaType` and `ContentType` no longer consider media type parameters.
* TLS config values are only available when the `tls` feature is enabled.
* [`MediaType::with_params()`] and [`ContentType::with_params()`] are now builder methods.
* Content-Type [`content`] responder type names are now prefixed with `Raw`.
* The `content::Plain` responder is now called `content::RawText`.
* The `content::Custom<T>` responder was removed in favor of [`(ContentType, T)`].
* TLS config structs are now only available when the `tls` feature is enabled.
* Removed `CookieJar::get_private_pending()` in favor of [`CookieJar::get_pending()`].
* The [`local_cache!`] macro accepts fewer types. Use [`local_cache_once!`] as appropriate.
* When requested, the `FromForm` implementations of `Vec` and `Map`s are now properly lenient.
* To concord with browsers, the `[` and `]` characters are now accepted in URI paths.
* The `[` and `]` characters are no longer encoded by [`uri!`].
* [`Rocket::launch()`] allows `Rocket` recovery by returning the instance after shutdown.
* `ErrorKind::Runtime` was removed; [`ErrorKind::Shutdown`] was added.
## General Improvements
* [`Rocket`] is now `#[must_use]`.
* Support for HTTP/2 can be disabled by disabling the default `http2` crate feature.
* Added [`rocket::execute()`] for executing Rocket's `launch()` future.
* Added the [`context!`] macro to [`rocket_dyn_templates`] for ad-hoc template contexts.
* The `time` crate is re-exported from the crate root.
* The `FromForm`, `Responder`, and `UriDisplay` derives now fully support generics.
* Added helper functions to `serde` submodules.
* The [`Shield`] HSTS preload header now includes `includeSubdomains`.
* Logging ignores `write!` errors if `stdout` disappears, preventing panics.
* Added [`Client::terminate()`] to run graceful shutdown in testing.
* Shutdown now terminates the `async` runtime, never the process.
### HTTP
* Introduced [`Host`] and the [`&Host`] request guard.
* Added `Markdown` (`text/markdown`) as a known media type.
* Added [`RawStr::percent_encode_bytes()`].
* `NODELAY` is now enabled on all connections by default.
* The TLS implementation handles handshakes off the main task, improving DoS resistance.
### Request
* Added [`Request::host()`] to retrieve the client-requested host.
### Trait Implementations
* `Arc<T>`, `Box<T>` where `T: Responder` now implement `Responder`.
* [`Method`] implements `Serialize` and `Deserialize`.
* [`MediaType`] and [`ContentType`] implement `Eq`.
### Updated Dependencies
* The `time` dependency was updated to `0.3`.
* The `handlebars` dependency was updated to `4.0`.
* The `memcache` dependency was updated to `0.16`.
* The `rustls` dependency was updated to `0.20`.
## Infrastructure
* Rocket now uses the 2021 edition of Rust.
[`(ContentType, T)`]: https://api.rocket.rs/v0.5-rc/rocket/response/content/index.html#usage
[v0.4 to v0.5 migration guide]: https://rocket.rs/v0.5-rc/guide/upgrading/
[FAQ]: https://rocket.rs/v0.5-rc/guide/faq/
[`Rocket::launch()`]: https://api.rocket.rs/v0.5-rc/rocket/struct.Rocket.html#method.launch
[`ErrorKind::Shutdown`]: https://api.rocket.rs/v0.5-rc/rocket/error/enum.ErrorKind.html#variant.Shutdown
[shutdown fairings]: https://api.rocket.rs/v0.5-rc/rocket/fairing/trait.Fairing.html#shutdown
[`Client::terminate()`]: https://api.rocket.rs/v0.5-rc/rocket/local/blocking/struct.Client.html#method.terminate
[`rocket::execute()`]: https://api.rocket.rs/v0.5-rc/rocket/fn.execute.html
[`CookieJar::get_pending()`]: https://api.rocket.rs/v0.5-rc/rocket/http/struct.CookieJar.html#method.get_pending
# Version 0.5.0-rc.1 (Jun 09, 2021)
## Major Features and Improvements
This release introduces the following major features and improvements:
* Support for [compilation on Rust's stable] release channel.
* A rewritten, fully asynchronous core with support for [`async`/`await`].
* [Feature-complete forms support] including multipart, collections, [ad-hoc validation], and
[context](https://rocket.rs/v0.5-rc/guide/requests/#context).
* [Sentinels]: automatic verification of application state at start-up to prevent runtime errors.
* [Graceful shutdown] with configurable signaling, grace periods, notification via [`Shutdown`].
* An entirely new, flexible and robust [configuration system] based on [Figment].
* Typed [asynchronous streams] and [Server-Sent Events] with generator syntax.
* Automatic support for HTTP/2 including `h2` ALPN.
* Graduation of `json`, `msgpack`, and `uuid` `rocket_contrib` [features into core].
* An automatically enabled [`Shield`]: security and privacy headers for all responses.
* Type-system enforced [incoming data limits] to mitigate memory-based DoS attacks.
* Compile-time URI literals via a fully revamped [`uri!`] macro.
* Full support for [UTF-8 characters] in routes and catchers.
* Precise detection of unmanaged state and missing database, template fairings with [sentinels].
* Typed [build phases] with strict application-level guarantees.
* [Ignorable segments]: wildcard route matching with no typing restrictions.
* First-class [support for `serde`] for built-in guards and types.
* New application launch attributes:
[`#[launch]`](https://api.rocket.rs/v0.5-rc/rocket/attr.launch.html) and
[`#[rocket::main]`](https://api.rocket.rs/v0.5-rc/rocket/attr.main.html).
* [Default catchers] via `#[catch(default)]`, which handle _any_ status code.
* [Catcher scoping] to narrow the scope of a catcher to a URI prefix.
* Built-in libraries and support for [asynchronous testing].
* A [`TempFile`] data and form guard for automatic uploading to a temporary file.
* A [`Capped<T>`] data and form guard which enables detecting truncation due to data limits.
* Support for dynamic and static prefixing and suffixing of route URIs in [`uri!`].
* Support for custom config profiles and [automatic typed config extraction].
* Rewritten, zero-copy, RFC compliant URI parsers with support for URI-[`Reference`]s.
* Multi-segment parameters (`<param..>`) which match _zero_ segments.
* A [`request::local_cache!`] macro for request-local storage of non-uniquely typed values.
* A [`CookieJar`] without "one-at-a-time" limitations.
* [Singleton fairings] with replacement and guaranteed uniqueness.
* [Data limit declaration in SI units]: "2 MiB", `2.mebibytes()`.
* Optimistic responding even when data is left unread or limits are exceeded.
* Fully decoded borrowed strings as dynamic parameters, form and data guards.
* Borrowed byte slices as data and form guards.
* Fail-fast behavior for [misconfigured secrets], file serving paths.
* Support for generics and custom generic bounds in
[`#[derive(Responder)]`](https://api.rocket.rs/v0.5-rc/rocket/derive.Responder.html).
* [Default ranking colors], which prevent more routing collisions automatically.
* Improved error logging with suggestions when common errors are detected.
* Completely rewritten examples including a new real-time [`chat`] application.
## Support for Rust Stable
As a result of support for Rust stable (Rust 2021 Edition and beyond), the
`#![feature(..)]` crate attribute is no longer required for Rocket applications.
The complete canonical example with a single `hello` route becomes:
```rust
#[macro_use] extern crate rocket;
#[get("/<name>/<age>")]
fn hello(name: &str, age: u8) -> String {
format!("Hello, {} year old named {}!", age, name)
}
#[launch]
fn rocket() -> _ {
rocket::build().mount("/hello", routes![hello])
}
```
<details>
<summary>See a <code>diff</code> of the changes from v0.4.</summary>
```diff
- #![feature(proc_macro_hygiene, decl_macro)]
-
#[macro_use] extern crate rocket;
#[get("/<name>/<age>")]
- fn hello(name: String, age: u8) -> String {
+ fn hello(name: &str, age: u8) -> String {
format!("Hello, {} year old named {}!", age, name)
}
- fn main() {
- rocket::ignite().mount("/hello", routes![hello]).launch();
- }
+ #[launch]
+ fn rocket() -> _ {
+ rocket::build().mount("/hello", routes![hello])
+ }
```
</details>
## Breaking Changes
This release includes many breaking changes. The most significant changes are listed below.
### Silent Changes
These changes are invisible to the compiler and will _not_ yield errors or warnings at compile-time.
We **strongly** advise all application authors to review this list carefully.
* Blocking I/O (long running compute, synchronous `sleep()`, `Mutex`, `RwLock`, etc.) may prevent
the server from making progress and should be avoided, replaced with an `async` variant, or
performed in a worker thread. This is a consequence of Rust's cooperative `async` multitasking.
For details, see the new [multitasking] section of the guide.
* `ROCKET_ENV` is now `ROCKET_PROFILE`. A warning is emitted a launch time if the former is set.
* The default profile for debug builds is now `debug`, not `dev`.
* The default profile for release builds is now `release`, not `prod`.
* `ROCKET_LOG` is now `ROCKET_LOG_LEVEL`. A warning is emitted a launch time if the former is set.
* `ROCKET_ADDRESS` accepts only IP addresses, no longer resolves hostnames like `localhost`.
* `ROCKET_CLI_COLORS` accepts booleans `true`, `false` in place of strings `"on"`, `"off"`.
* It is a launch-time error if `secrets` is enabled in non-`debug` profiles without a configured
`secret_key`.
* A misconfigured `template_dir` is reported as an error at launch time.
* [`FileServer::new()`] fails immediately if the provided directory does not exist.
* Catcher collisions result in a launch failure as opposed to a warning.
* Default ranks now range from `-12` to `-1`. There is no breaking change if only code generated
routes are used. Manually configured routes with negative ranks may collide or be considered in
a different order than before.
* The order of execution of path and query guards relative to each other is now unspecified.
* URIs beginning with `:` are properly recognized as invalid and rejected.
* URI normalization now normalizes the query part as well.
* The `Segments` iterator now returns percent-decoded `&str`s.
* Forms are now parsed leniently by the [`Form` guard]. Use [`Strict`] for the previous behavior.
* The `Option<T>` form guard defaults to `None` instead of the default value for `T`.
* When data limits are exceeded, a `413 Payload Too Large` status is returned to the client.
* The default catcher now returns JSON when the client indicates preference via the `Accept`
header.
* Empty boolean form values parse as `true`: the query string `?f` is the same as `?f=true`.
* [`Created<R>`] does not automatically send an `ETag` header if `R: Hash`. Use
[`Created::tagged_body`] instead.
* `FileServer` now forwards when a file is not found instead of failing with `404 Not Found`.
* [`Shield`] is enabled by default. You may need to disable or change policies if your application
depends on typically insecure browser features or if you wish to opt-in to different policies
than the defaults.
* [`CookieJar`] `get()`s do not return cookies added during request handling. See
[`CookieJar`#pending].
### Contrib Graduation
* The `rocket_contrib` crate has been deprecated and should no longer be used.
* Several features previously in `rocket_contrib` were merged into `rocket` itself:
* `json`, `msgpack`, and `uuid` are now [features of `rocket`].
* Moved `rocket_contrib::json` to [`rocket::serde::json`].
* Moved `rocket_contrib::msgpack` to [`rocket::serde::msgpack`].
* Moved `rocket_contrib::uuid` to [`rocket::serde::uuid`].
* Moved `rocket_contrib::helmet` to [`rocket::shield`]. [`Shield`] is enabled by default.
* Moved `rocket_contrib::serve` to [`rocket::fs`], `StaticFiles` to [`rocket::fs::FileServer`].
* Removed the now unnecessary `Uuid` and `JsonValue` wrapper types.
* Removed headers in `Shield` that are no longer respected by browsers.
* The remaining features from `rocket_contrib` are now provided by separate crates:
* Replaced `rocket_contrib::templates` with [`rocket_dyn_templates`].
* Replaced `rocket_contrib::databases` with [`rocket_sync_db_pools`] and [`rocket_db_pools`].
* These crates are versioned and released independently of `rocket`.
* `rocket_contrib::databases::DbError` is now `rocket_sync_db_pools::Error`.
* Removed `redis`, `mongodb`, and `mysql` integrations which have upstream `async` drivers.
* The [`#[database]`](https://api.rocket.rs/v0.5-rc/rocket_sync_db_pools/attr.database.html)
attribute generates an [`async run()`] method instead of `Deref` implementations.
### General
* [`Rocket`] is now generic over a [phase] marker:
* APIs operate on `Rocket<Build>`, `Rocket<Ignite>`, `Rocket<Orbit>`, or `Rocket<P: Phase>` as
needed.
* The phase marker statically enforces state transitions in `Build`, `Ignite`, `Orbit` order.
* `rocket::ignite()` is now [`rocket::build()`], returns a `Rocket<Build>`.
* [`Rocket::ignite()`] transitions to the `Ignite` phase. This is run automatically on launch as
needed.
* Ignition finalizes configuration, runs `ignite` fairings, and verifies [sentinels].
* [`Rocket::launch()`] transitions into the `Orbit` phase and starts the server.
* Methods like [`Request::rocket()`] that refer to a live Rocket instance return an
`&Rocket<Orbit>`.
* [Fairings] have been reorganized and restructured for `async`:
* Replaced `attach` fairings with `ignite` fairings. Unlike `attach` fairings, which ran
immediately at the time of attachment, `ignite` fairings are run when transitioning into the
`Ignite` phase.
* Replaced `launch` fairings with `liftoff` fairings. `liftoff` fairings are always run, even in
local clients, after the server begins listening and the concrete port is known.
* Introduced a new [configuration system] based on [Figment]:
* The concept of "environments" is replaced with "profiles".
* `ROCKET_ENV` is superseded by `ROCKET_PROFILE`.
* `ROCKET_LOG` is superseded by `ROCKET_LOG_LEVEL`.
* Profile names can now be arbitrarily chosen. The `dev`, `stage`, and `prod` profiles carry no
special meaning.
* The `debug` and `release` profiles are the default profiles for the debug and release
compilation profiles.
* A new specially recognized `default` profile specifies defaults for all profiles.
* The `global` profile has highest precedence, followed by the selected profile, followed by
`default`.
* Added support for limits specified in SI units: "1 MiB".
* Renamed `LoggingLevel` to [`LogLevel`].
* Inlined error variants into the [`Error`] structure.
* Changed the type of `workers` to `usize` from `u16`.
* Changed accepted values for `keep_alive`: it is disabled with `0`, not `false` or `off`.
* Disabled the `secrets` feature (for private cookies) by default.
* Removed APIs related to "extras". Typed values can be extracted from the configured `Figment`.
* Removed `ConfigBuilder`: all fields of [`Config`] are public with constructors for each field
type.
* Many functions, traits, and trait bounds have been modified for `async`:
* [`FromRequest`], [`Fairing`], [`catcher::Handler`], [`route::Handler`], and [`FromData`] use
`#[async_trait]`.
* [`NamedFile::open`] is now an `async` function.
* Added [`Request::local_cache_async()`] for use in async request guards.
* Unsized `Response` bodies must be [`AsyncRead`] instead of `Read`.
* Automatically sized `Response` bodies must be [`AsyncSeek`] instead of `Seek`.
* The `local` module is split into two: [`rocket::local::asynchronous`] and
[`rocket::local::blocking`].
* Functionality and features requiring Rust nightly were removed:
* Removed the `Try` implementation on [`Outcome`] which allowed using `?` with `Outcome`s. The
recommended replacement is the [`rocket::outcome::try_outcome!`] macro or the various
combinator functions on `Outcome`.
* [`Result<T, E>` implements `Responder`] only when both `T` and `E` implement `Responder`. The
new [`Debug`] wrapping responder replaces `Result<T: Responder, E: Debug>`.
* APIs which used the `!` type to now use [`std::convert::Infallible`].
* [`Rocket::register()`] now takes a base path to scope catchers under as its first argument.
* `ErrorKind::Collision` has been renamed to [`ErrorKind::Collisions`].
[phase]: https://api.rocket.rs/v0.5-rc/rocket/struct.Rocket.html#phases
### Routing and URIs
* In `#[route(GET, path = "...")]`, `path` is now `uri`: `#[route(GET, uri = "...")]`.
* Multi-segment paths (`/<p..>`) now match _zero_ or more segments.
* Codegen improvements preclude identically named routes and modules in the same namespace.
* A route URI like (`/<a>/<p..>`) now collides with (`/<a>`), requires a `rank` to resolve.
* All catcher related types and traits moved to [`rocket::catcher`].
* All route related types and traits moved to [`rocket::route`].
* URI formatting types and traits moved to [`rocket::http::uri::fmt`].
* `T` no longer converts to `Option<T>` or `Result<T, _>` for [`uri!`] query parameters.
* For optional query parameters, [`uri!`] requires using a wrapped value or `_`.
* `&RawStr` no longer implements `FromParam`: use `&str` instead.
* Percent-decoding is performed before calling `FromParam` implementations.
* `RawStr::url_decode()` and `RawStr::url_decode_lossy()` allocate as necessary, return `Cow`.
* `RawStr::from_str()` was replaced with `RawStr::new()`.
* `Origin::segments()` was replaced with `Origin.path().segments()`.
* `Origin::path()` and `Origin::query()` return `&RawStr` instead of `&str`.
* The type of `Route::name` is now `Option<Cow<'static, str>>`.
* `Route::set_uri` was replaced with [`Route::map_base()`].
* `Route::uri()` returns a new [`RouteUri`] type.
* `Route::base` was removed in favor of `Route.uri().base()`.
[`RouteUri`]: https://api.rocket.rs/v0.5-rc/rocket/route/struct.RouteUri.html
### Data and Forms
* `Data` now has a lifetime: `Data<'r>`.
* [`Data::open()`] indelibly requires a data limit.
* Removed `FromDataSimple`. Use [`FromData`] and [`local_cache!`] or [`local_cache_once!`].
* All [`DataStream`] APIs require limits and return [`Capped<T>`] types.
* Form types and traits were moved from `rocket::request` to [`rocket::form`].
* Removed `FromQuery`. Dynamic query parameters (`#[get("/?<param>")]`) use [`FromForm`] instead.
* Replaced `FromFormValue` with [`FromFormField`]. All `T: FromFormField` implement `FromForm`.
* Form field values are percent-decoded before calling [`FromFormField`] implementations.
* Renamed the `#[form(field = ...)]` attribute to `#[field(name = ...)]`.
### Request Guards
* Renamed `Cookies` to [`CookieJar`]. Its methods take `&self`.
* Renamed `Flash.name` to `Flash.kind`, `Flash.msg` to `Flash.message`.
* Replaced `Request::get_param()` with `Request::param()`.
* Replaced `Request::get_segments()` to `Request::segments()`.
* Replaced `Request::get_query_value()` with `Request::query_value()`.
* Replaced `Segments::into_path_buf()` with `Segments::to_path_buf()`.
* Replaced `Segments` and `QuerySegments` with [`Segments<Path>` and `Segments<Query>`].
* [`Flash`] constructors to take `Into<String>` instead of `AsRef<str>`.
* The `State<'_, T>` request guard is now `&State<T>`.
* Removed a lifetime from [`FromRequest`]: `FromRequest<'r>`.
* Removed a lifetime from [`FlashMessage`]: `FlashMessage<'_>`.
* Removed all `State` reexports except [`rocket::State`].
### Responders
* Moved `NamedFile` to `rocket::fs::NamedFile`
* Replaced `Content` with `content::Custom`.
* `Response::body` and `Response::body_mut` are now infallible methods.
* Renamed `ResponseBuilder` to `Builder`.
* Removed direct `Response` body reading methods. Use methods on `r.body_mut()` instead.
* Removed inaccurate "chunked body" types and variants.
* Removed `Responder` `impl` for `Response`. Prefer custom responders with `#[derive(Responder)]`.
* Removed the unused reason phrase from `Status`.
## General Improvements
In addition to new features and major improvements, Rocket saw the following improvements:
### General
* Added support for [raw identifiers] in the `FromForm` derive, `#[route]` macros, and `uri!`.
* Added support for uncased derived form fields: `#[field(name = uncased(...))]`.
* Added support for [default form field values]: `#[field(default = expr())]`.
* Added support for multiple `#[field]` attributes on struct fields.
* Added support for base16-encoded (a.k.a. hex-encoded) secret keys.
* Added [`Config::ident`] for configuring or removing the global `Server` header.
* Added [`Rocket::figment()`] and [`Rocket::catchers()`].
* Added [`LocalRequest::json()`] and [`LocalResponse::json()`].
* Added [`LocalRequest::msgpack()`] and [`LocalResponse::msgpack()`].
* Added support for `use m::route; routes![route]` instead of needing `routes![m::route]`.
* Added support for [hierarchical data limits]: a limit of `a/b/c` falls back to `a/b` then `a`.
* Added [`LocalRequest::inner_mut()`]. `LocalRequest` implements `DerefMut` to `Request`.
* Added support for ECDSA and EdDSA TLS keys.
* Added associated constants in `Config` for all config parameter names.
* Added `ErrorKind::Config` to represent errors in configuration at runtime.
* Added `rocket::fairing::Result` type alias, returned by `Fairing::on_ignite()`.
* All guard failures are logged at runtime.
* `Rocket::mount()` now accepts a base value of any type that implements `TryInto<Origin<'_>>`.
* The default error catcher's HTML has been compacted.
* The default error catcher returns JSON if requested by the client.
* Panics in routes or catchers are caught and forwarded to `500` error catcher.
* A detailed warning is emitted if a route or catcher panics.
* Emoji characters are no longer output on Windows.
* Fixed [`Error`] to not panic if a panic is already in progress.
* Introduced [`Reference`] and [`Asterisk`] URI types.
* Added support to [`UriDisplayQuery`] for C-like enums.
* The [`UriDisplayQuery`] derive now recognizes the `#[field]` attribute for field renaming.
* `Client` method builders accept `TryInto<Origin>` allowing a `uri!()` to be used directly.
* [`Redirect`] now accepts a `TryFrom<Reference>`, allowing fragment parts.
### HTTP
* Added support for HTTP/2, enabled by default via the `http2` crate feature.
* Added AVIF (`image/avif`) as a known media type.
* Added `EventStream` (`text/event-stream`) as a known media type.
* Added a `const` constructor for `MediaType`.
* Added aliases `Text`, `Bytes` for the `Plain`, `Binary` media types, respectively.
* Introduced [`RawStrBuf`], an owned `RawStr`.
* Added many new "pattern" methods to [`RawStr`].
* Added [`RawStr::percent_encode()`] and [`RawStr::strip()`].
* Added support for unencoded query characters in URIs that are frequently sent by browsers.
### Request
* Added support for all UTF-8 characters in route paths.
* Added support for percent-encoded `:` in socket or IP address values in [`FromFormValue`].
* Added [`Request::rocket()`] to access the active `Rocket` instance.
* `Request::uri()` now returns an `&Origin<'r>` instead of `&Origin<'_>`.
* `Request::accept()`, `Request::content_type()` reflect changes to `Accept`, `Content-Type`.
* `Json<T>`, `MsgPack<T>` accept `T: Deserialize`, not only `T: DeserializeOwned`.
* Diesel SQLite connections in `rocket_sync_db_pools` use better defaults.
* The default number of workers for synchronous database pools is now `workers * 4`.
### Response
* Added [`Template::try_custom()`] for fallible template engine customization.
* Manually registered templates can now be rendered with `Template::render()`.
* Added support for the `X-DNS-Prefetch-Control` header to `Shield`.
* Added support for manually-set `expires` values for private cookies.
* Added support for type generics and custom generic bounds to
[`#[derive(Responder)]`](https://api.rocket.rs/v0.5-rc/rocket/derive.Responder.html).
* The `Server` header is only set if one isn't already set.
* Accurate `Content-Length` headers are sent even for partially read `Body`s.
### Trait Implementations
* Implemented `Clone` for `State`.
* Implemented `Copy` and `Clone` for `fairing::Info`.
* Implemented `Debug` for `Rocket` and `Client`.
* Implemented `Default` for `Status` (returns `Status::Ok`).
* Implemented `PartialEq`, `Eq`, `Hash`, `PartialOrd`, and `Ord` for `Status`.
* Implemented `Eq`, `Hash`, and `PartialEq<&str>` for `Origin`.
* Implemented `PartialEq<Cow<'_, RawStr>>>` for `RawStr`.
* Implemented `std::error::Error` for `Error`.
* Implemented `Deref` and `DerefMut` for `LocalRequest` (to `Request`).
* Implemented `DerefMut` for `Form`, `LenientForm`.
* Implemented `From<T>` for `Json<T>`, `MsgPack<T>`.
* Implemented `TryFrom<String>` and `TryFrom<&str>` for `Origin`.
* Implemented `TryFrom<Uri>` for each of the specific URI variants.
* Implemented `FromRequest` for `&Config`.
* Implemented `FromRequest` for `IpAddr`.
* Implemented `FromParam` for `PathBuf`
* Implemented `FromParam`, `FromData`, and `FromForm` for `&str`.
* Implemented `FromForm` for `Json<T>`, `MsgPack<T>`.
* Implemented `FromFormField` for `Cow` and `Capped<Cow>>`
* Implemented `Responder` for `tokio::fs::File`.
* Implemented `Responder` for `(ContentType, R) where R: Responder`.
* Implemented `Responder` for `(Status, R) where R: Responder` which overrides `R`'s status.
* Implemented `Responder` for `std::io::Error` (behaves as `Debug<std::io::Error>`).
* Implemented `Responder` for `Either<T, E>`, equivalently to `Result<T, E>`.
* Implemented `Serialize` for `Flash`.
* Implemented `Serialize`, `Deserialize`, `UriDisplay` and `FromUriParam` for `uuid::Uuid`
* Implemented `Serialize`, `Deserialize` for `RawStr`.
* Implemented `Serialize`, `Deserialize` for all URI types.
### Updated Dependencies
* The `serde` dependency was introduced (`1.0`).
* The `futures` dependency was introduced (`0.3`).
* The `state` dependency was updated to `0.5`.
* The `time` dependency was updated to `0.2`.
* The `binascii` dependency was introduced (`0.1`).
* The `ref-cast` dependency was introduced (`1.0`).
* The `atomic` dependency was introduced (`0.5`).
* The `parking_lot` dependency was introduced (`0.11`).
* The `ubtye` dependency was introduced (`0.10`).
* The `figment` dependency was introduced (`0.10`).
* The `rand` dependency was introduced (`0.8`).
* The `either` dependency was introduced (`1.0`).
* The `pin-project-lite` dependency was introduced (`0.2`).
* The `indexmap` dependency was introduced (`1.0`).
* The `tempfile` dependency was introduced (`3.0`).
* The `async-trait` dependency was introduced (`0.1`).
* The `async-stream` dependency was introduced (`0.3`).
* The `multer` dependency was introduced (`2.0`).
* The `tokio` dependency was introduced (`1.6.1`).
* The `tokio-util` dependency was introduced (`0.6`).
* The `tokio-stream` dependency was introduced (`0.1.6`).
* The `bytes` dependency was introduced (`1.0`).
* The `rmp-serde` dependency was updated to `0.15`.
* The `uuid` dependency was updated to `0.8`.
* The `tera` dependency was updated to `1.10`.
* The `handlebars` dependency was updated to `3.0`.
* The `normpath` dependency was introduced (`0.3`).
* The `postgres` dependency was updated to `0.19`.
* The `rusqlite` dependency was updated to `0.25`.
* The `r2d2_sqlite` dependency was updated to `0.18`.
* The `memcache` dependency was updated to `0.15`.
## Infrastructure
* Rocket now uses the 2018 edition of Rust.
* Added visible `use` statements to examples in the guide.
* Split examples into a separate workspace from the non-example crates.
* Updated documentation for all changes.
* Fixed many typos, errors, and broken links throughout documentation and examples.
* Improved the general robustness of macros, and the quality and frequency of error messages.
* Benchmarks now use `criterion` and datasets extracted from real-world projects.
* Fixed the SPDX license expressions in `Cargo.toml` files.
* Added support to `test.sh` for a `+` flag (e.g. `+stable`) to pass to `cargo`.
* Added support to `test.sh` for extra flags to be passed on to `cargo`.
* Migrated CI to Github Actions.
[`async`/`await`]: https://rocket.rs/v0.5-rc/guide/overview/#async-routes
[compilation on Rust's stable]: https://rocket.rs/v0.5-rc/guide/getting-started/#installing-rust
[Feature-complete forms support]: https://rocket.rs/v0.5-rc/guide/requests/#forms
[configuration system]: https://rocket.rs/v0.5-rc/guide/configuration/#configuration
[graceful shutdown]: https://api.rocket.rs/v0.5-rc/rocket/config/struct.Shutdown.html#summary
[asynchronous testing]: https://rocket.rs/v0.5-rc/guide/testing/#asynchronous-testing
[UTF-8 characters]: https://rocket.rs/v0.5-rc/guide/requests/#static-parameters
[ignorable segments]: https://rocket.rs/v0.5-rc/guide/requests/#ignored-segments
[Catcher scoping]: https://rocket.rs/v0.5-rc/guide/requests/#scoping
[ad-hoc validation]: https://rocket.rs/v0.5-rc/guide/requests#ad-hoc-validation
[incoming data limits]: https://rocket.rs/v0.5-rc/guide/requests/#streaming
[build phases]: https://api.rocket.rs/v0.5-rc/rocket/struct.Rocket.html#phases
[Singleton fairings]: https://api.rocket.rs/v0.5-rc/rocket/fairing/trait.Fairing.html#singletons
[features into core]: https://api.rocket.rs/v0.5-rc/rocket/index.html#features
[features of `rocket`]: https://api.rocket.rs/v0.5-rc/rocket/index.html#features
[Data limit declaration in SI units]: https://api.rocket.rs/v0.5-rc/rocket/data/struct.ByteUnit.html
[support for `serde`]: https://api.rocket.rs/v0.5-rc/rocket/serde/index.html
[automatic typed config extraction]: https://api.rocket.rs/v0.5-rc/rocket/fairing/struct.AdHoc.html#method.config
[misconfigured secrets]: https://api.rocket.rs/v0.5-rc/rocket/config/struct.SecretKey.html
[default ranking colors]: https://rocket.rs/v0.5-rc/guide/requests/#default-ranking
[`chat`]: https://github.com/SergioBenitez/Rocket/tree/v0.5-rc/examples/chat
[`Form` guard]: https://api.rocket.rs/v0.5-rc/rocket/form/struct.Form.html
[`Strict`]: https://api.rocket.rs/v0.5-rc/rocket/form/struct.Strict.html
[`CookieJar`#pending]: https://api.rocket.rs/v0.5-rc/rocket/http/struct.CookieJar.html#pending
[`rocket::serde::json`]: https://api.rocket.rs/v0.5-rc/rocket/serde/json/index.html
[`rocket::serde::msgpack`]: https://api.rocket.rs/v0.5-rc/rocket/serde/msgpack/index.html
[`rocket::serde::uuid`]: https://api.rocket.rs/v0.5-rc/rocket/serde/uuid/index.html
[`rocket::shield`]: https://api.rocket.rs/v0.5-rc/rocket/shield/index.html
[`rocket::fs`]: https://api.rocket.rs/v0.5-rc/rocket/fs/index.html
[`async run()`]: https://api.rocket.rs/v0.5-rc/rocket_sync_db_pools/index.html#handlers
[`LocalRequest::json()`]: https://api.rocket.rs/v0.5-rc/rocket/local/blocking/struct.LocalRequest.html#method.json
[`LocalRequest::msgpack()`]: https://api.rocket.rs/v0.5-rc/rocket/local/blocking/struct.LocalRequest.html#method.msgpack
[`LocalResponse::json()`]: https://api.rocket.rs/v0.5-rc/rocket/local/blocking/struct.LocalResponse.html#method.json
[`LocalResponse::msgpack()`]: https://api.rocket.rs/v0.5-rc/rocket/local/blocking/struct.LocalResponse.html#method.msgpack
[hierarchical data limits]: https://api.rocket.rs/v0.5-rc/rocket/data/struct.Limits.html#hierarchy
[default form field values]: https://rocket.rs/v0.5-rc/guide/requests/#defaults
[`Config::ident`]: https://api.rocket.rs/rocket/struct.Config.html#structfield.ident
[`tokio`]: https://tokio.rs/
[Figment]: https://docs.rs/figment/0.10/figment/
[`TempFile`]: https://api.rocket.rs/v0.5-rc/rocket/fs/enum.TempFile.html
[`Contextual`]: https://rocket.rs/v0.5-rc/guide/requests/#context
[`Capped<T>`]: https://api.rocket.rs/v0.5-rc/rocket/data/struct.Capped.html
[default catchers]: https://rocket.rs/v0.5-rc/guide/requests/#default-catchers
[URI types]: https://api.rocket.rs/v0.5-rc/rocket/http/uri/index.html
[`uri!`]: https://api.rocket.rs/v0.5-rc/rocket/macro.uri.html
[`Reference`]: https://api.rocket.rs/v0.5-rc/rocket/http/uri/struct.Reference.html
[`Asterisk`]: https://api.rocket.rs/v0.5-rc/rocket/http/uri/struct.Asterisk.html
[`Redirect`]: https://api.rocket.rs/v0.5-rc/rocket/response/struct.Redirect.html
[`UriDisplayQuery`]: https://api.rocket.rs/v0.5-rc/rocket/derive.UriDisplayQuery.html
[`Shield`]: https://api.rocket.rs/v0.5-rc/rocket/shield/struct.Shield.html
[Sentinels]: https://api.rocket.rs/v0.5-rc/rocket/trait.Sentinel.html
[`local_cache!`]: https://api.rocket.rs/v0.5-rc/rocket/request/macro.local_cache.html
[`local_cache_once!`]: https://api.rocket.rs/v0.5-rc/rocket/request/macro.local_cache_once.html
[`CookieJar`]: https://api.rocket.rs/v0.5-rc/rocket/http/struct.CookieJar.html
[asynchronous streams]: https://rocket.rs/v0.5-rc/guide/responses/#async-streams
[Server-Sent Events]: https://api.rocket.rs/v0.5-rc/rocket/response/stream/struct.EventStream.html
[`fs::relative!`]: https://api.rocket.rs/v0.5-rc/rocket/fs/macro.relative.html
[`Shutdown`]: https://api.rocket.rs/v0.5-rc/rocket/struct.Shutdown.html
[`Rocket`]: https://api.rocket.rs/v0.5-rc/rocket/struct.Rocket.html
[`rocket::build()`]: https://api.rocket.rs/v0.5-rc/rocket/struct.Rocket.html#method.build
[`Rocket::ignite()`]: https://api.rocket.rs/v0.5-rc/rocket/struct.Rocket.html#method.ignite
[`Rocket::launch()`]: https://api.rocket.rs/v0.5-rc/rocket/struct.Rocket.html#method.launch
[`Request::rocket()`]: https://api.rocket.rs/v0.5-rc/rocket/request/struct.Request.html#method.rocket
[Fairings]: https://rocket.rs/v0.5-rc/guide/fairings/
[configuration system]: https://rocket.rs/v0.5-rc/guide/configuration/
[`Poolable`]: https://api.rocket.rs/v0.5-rc/rocket_sync_db_pools/trait.Poolable.html
[`Config`]: https://api.rocket.rs/v0.5-rc/rocket/struct.Config.html
[`Error`]: https://api.rocket.rs/v0.5-rc/rocket/struct.Error.html
[`LogLevel`]: https://api.rocket.rs/v0.5-rc/rocket/config/enum.LogLevel.html
[`Rocket::register()`]: https://api.rocket.rs/v0.5-rc/rocket/struct.Rocket.html#method.register
[`NamedFile::open`]: https://api.rocket.rs/v0.5-rc/rocket/fs/struct.NamedFile.html#method.open
[`Request::local_cache_async()`]: https://api.rocket.rs/v0.5-rc/rocket/request/struct.Request.html#method.local_cache_async
[`FromRequest`]: https://api.rocket.rs/v0.5-rc/rocket/request/trait.FromRequest.html
[`Fairing`]: https://api.rocket.rs/v0.5-rc/rocket/fairing/trait.Fairing.html
[`catcher::Handler`]: https://api.rocket.rs/v0.5-rc/rocket/catcher/trait.Handler.html
[`route::Handler`]: https://api.rocket.rs/v0.5-rc/rocket/route/trait.Handler.html
[`FromData`]: https://api.rocket.rs/v0.5-rc/rocket/data/trait.FromData.html
[`AsyncRead`]: https://docs.rs/tokio/1/tokio/io/trait.AsyncRead.html
[`AsyncSeek`]: https://docs.rs/tokio/1/tokio/io/trait.AsyncSeek.html
[`rocket::local::asynchronous`]: https://api.rocket.rs/v0.5-rc/rocket/local/asynchronous/index.html
[`rocket::local::blocking`]: https://api.rocket.rs/v0.5-rc/rocket/local/blocking/index.html
[`Outcome`]: https://api.rocket.rs/v0.5-rc/rocket/outcome/enum.Outcome.html
[`rocket::outcome::try_outcome!`]: https://api.rocket.rs/v0.5-rc/rocket/outcome/macro.try_outcome.html
[`Result<T, E>` implements `Responder`]: https://api.rocket.rs/v0.5-rc/rocket/response/trait.Responder.html#provided-implementations
[`Debug`]: https://api.rocket.rs/v0.5-rc/rocket/response/struct.Debug.html
[`std::convert::Infallible`]: https://doc.rust-lang.org/stable/std/convert/enum.Infallible.html
[`ErrorKind::Collisions`]: https://api.rocket.rs/v0.5-rc/rocket/error/enum.ErrorKind.html#variant.Collisions
[`rocket::http::uri::fmt`]: https://api.rocket.rs/v0.5-rc/rocket/http/uri/fmt/index.html
[`Data::open()`]: https://api.rocket.rs/v0.5-rc/rocket/data/struct.Data.html#method.open
[`DataStream`]: https://api.rocket.rs/v0.5-rc/rocket/data/struct.DataStream.html
[`rocket::form`]: https://api.rocket.rs/v0.5-rc/rocket/form/index.html
[`FromFormField`]: https://api.rocket.rs/v0.5-rc/rocket/form/trait.FromFormField.html
[`FromForm`]: https://api.rocket.rs/v0.5-rc/rocket/form/trait.FromForm.html
[`FlashMessage`]: https://api.rocket.rs/v0.5-rc/rocket/request/type.FlashMessage.html
[`Flash`]: https://api.rocket.rs/v0.5-rc/rocket/response/struct.Flash.html
[`rocket::State`]: https://api.rocket.rs/v0.5-rc/rocket/struct.State.html
[`Segments<Path>` and `Segments<Query>`]: https://api.rocket.rs/v0.5-rc/rocket/http/uri/struct.Segments.html
[`Route::map_base()`]: https://api.rocket.rs/v0.5-rc/rocket/route/struct.Route.html#method.map_base
[`uuid` support]: https://api.rocket.rs/v0.5-rc/rocket/serde/uuid/index.html
[`json`]: https://api.rocket.rs/v0.5-rc/rocket/serde/json/index.html
[`msgpack`]: https://api.rocket.rs/v0.5-rc/rocket/serde/msgpack/index.html
[`rocket::serde::json::json!`]: https://api.rocket.rs/v0.5-rc/rocket/serde/json/macro.json.html
[`rocket::shield::Shield`]: https://api.rocket.rs/v0.5-rc/rocket/shield/struct.Shield.html
[`rocket::fs::FileServer`]: https://api.rocket.rs/v0.5-rc/rocket/fs/struct.FileServer.html
[`rocket_dyn_templates`]: https://api.rocket.rs/v0.5-rc/rocket_dyn_templates/index.html
[`rocket_sync_db_pools`]: https://api.rocket.rs/v0.5-rc/rocket_sync_db_pools/index.html
[multitasking]: https://rocket.rs/v0.5-rc/guide/overview/#multitasking
[`Created<R>`]: https://api.rocket.rs/v0.5-rc/rocket/response/status/struct.Created.html
[`Created::tagged_body`]: https://api.rocket.rs/v0.5-rc/rocket/response/status/struct.Created.html#method.tagged_body
[raw identifiers]: https://doc.rust-lang.org/1.51.0/book/appendix-01-keywords.html#raw-identifiers
[`Rocket::config()`]: https://api.rocket.rs/v0.5-rc/rocket/struct.Rocket.html#method.config
[`Rocket::figment()`]: https://api.rocket.rs/v0.5-rc/rocket/struct.Rocket.html#method.figment
[`Rocket::state()`]: https://api.rocket.rs/v0.5-rc/rocket/struct.Rocket.html#method.state
[`Rocket::catchers()`]: https://api.rocket.rs/v0.5-rc/rocket/struct.Rocket.html#method.catchers
[`LocalRequest::inner_mut()`]: https://api.rocket.rs/v0.5-rc/rocket/local/blocking/struct.LocalRequest.html#method.inner_mut
[`RawStrBuf`]: https://api.rocket.rs/v0.5-rc/rocket/http/struct.RawStrBuf.html
[`RawStr`]: https://api.rocket.rs/v0.5-rc/rocket/http/struct.RawStr.html
[`RawStr::percent_encode()`]: https://api.rocket.rs/v0.5-rc/rocket/http/struct.RawStr.html#method.percent_encode
[`RawStr::percent_encode_bytes()`]: https://api.rocket.rs/v0.5-rc/rocket/http/struct.RawStr.html#method.percent_encode_bytes
[`RawStr::strip()`]: https://api.rocket.rs/v0.5-rc/rocket/http/struct.RawStr.html#method.strip_prefix
[`rocket::catcher`]: https://api.rocket.rs/v0.5-rc/rocket/catcher/index.html
[`rocket::route`]: https://api.rocket.rs/v0.5-rc/rocket/route/index.html
[`Segments::prefix_of()`]: https://api.rocket.rs/v0.5-rc/rocket/http/uri/struct.Segments.html#method.prefix_of
[`Template::try_custom()`]: https://api.rocket.rs/v0.5-rc/rocket_dyn_templates/struct.Template.html#method.try_custom
[`Template::custom`]: https://api.rocket.rs/v0.5-rc/rocket_dyn_templates/struct.Template.html#method.custom
[`FileServer::new()`]: https://api.rocket.rs/v0.5-rc/rocket/fs/struct.FileServer.html#method.new
[`content`]: https://api.rocket.rs/v0.5-rc/rocket/response/content/index.html
[`rocket_db_pools`]: https://api.rocket.rs/v0.5-rc/rocket_db_pools/index.html
[mutual TLS]: https://rocket.rs/v0.5-rc/guide/configuration/#mutual-tls
[`Certificate`]: https://api.rocket.rs/v0.5-rc/rocket/mtls/struct.Certificate.html
[`MediaType::with_params()`]: https://api.rocket.rs/v0.5-rc/rocket/http/struct.MediaType.html#method.with_params
[`ContentType::with_params()`]: https://api.rocket.rs/v0.5-rc/rocket/http/struct.ContentType.html#method.with_params
[`Host`]: https://api.rocket.rs/v0.5-rc/rocket/http/uri/struct.Host.html
[`&Host`]: https://api.rocket.rs/v0.5-rc/rocket/http/uri/struct.Host.html
[`Request::host()`]: https://api.rocket.rs/v0.5-rc/rocket/request/struct.Request.html#method.host
[`context!`]: https://api.rocket.rs/v0.5-rc/rocket_dyn_templates/macro.context.html
[`MediaType`]: https://api.rocket.rs/v0.5-rc/rocket/http/struct.MediaType.html
[`ContentType`]: https://api.rocket.rs/v0.5-rc/rocket/http/struct.ContentType.html
[`Method`]: https://api.rocket.rs/v0.5-rc/rocket/http/enum.Method.html
# Version 0.4.10 (May 21, 2021)
## Core
* [[`3276b8`]] Removed used of `unsafe` in `Origin::parse_owned()`, fixing a
soundness issue.
[`3276b8`]: https://github.com/SergioBenitez/Rocket/commit/3276b8
# Version 0.4.9 (May 19, 2021)
## Core
* [[`#1645`], [`f2a56f`]] Fixed `Try` `impl FromResidual<Result> for Outcome`.
[`#1645`]: https://github.com/SergioBenitez/Rocket/issues/1645
[`f2a56f`]: https://github.com/SergioBenitez/Rocket/commit/f2a56f
# Version 0.4.8 (May 18, 2021)
## Core
* [[`#1548`], [`93e88b0`]] Fixed an issue that prevented compilation under
Windows Subsystem for Linux v1.
* Updated `Outcome` `Try` implementation to v2 in latest nightly.
* Minimum required `rustc` is `1.54.0-nightly (2021-05-18)`.
## Internal
* Updated `base64` dependency to `0.13`.
[`#1548`]: https://github.com/SergioBenitez/Rocket/issues/1548
[`93e88b0`]: https://github.com/SergioBenitez/Rocket/commit/93e88b0
# Version 0.4.7 (Feb 09, 2021)
## Core
* [[#1534], [`2059a6`]] Fixed a low-severity, minimal impact soundness issue
in `uri::Formatter`.
[#1534]: https://github.com/SergioBenitez/Rocket/issues/1534
[`2059a6`]: https://github.com/SergioBenitez/Rocket/commit/2059a6
# Version 0.4.6 (Nov 09, 2020)
## Core
* [[`86bd7c`]] Added default and configurable read/write timeouts:
`read_timeout` and `write_timeout`.
* [[`c24a96`]] Added the `sse` feature, which [enables flushing] by returning
`io::ErrorKind::WouldBlock`.
## Docs
* Fixed broken doc links in `contrib`.
* Fixed database library versions in `contrib` docs.
## Internal
* Updated source code for Rust 2018.
* UI tests now use `trybuild` instead of `compiletest-rs`.
[`86bd7c`]: https://github.com/SergioBenitez/Rocket/commit/86bd7c
[`c24a96`]: https://github.com/SergioBenitez/Rocket/commit/c24a96
[enables flushing]: https://api.rocket.rs/v0.4/rocket/response/struct.Stream.html#buffering-and-blocking
# Version 0.4.5 (May 30, 2020)
## Core
* [[#1312], [`89150f`]] Fixed a low-severity, minimal impact soundness issue in
`LocalRequest::clone()`.
* [[#1263], [`376f74`]] Fixed a cookie serialization issue that led to
incorrect cookie deserialization in certain cases.
* Removed dependency on `ring` for private cookies and thus Rocket, by
default.
* Added [`Origin::map_path()`] for manipulating `Origin` paths.
* Added [`handler::Outcome::from_or_forward()`].
* Added [`Options::NormalizeDirs`] option to `StaticFiles`.
* Improved accessibility of default error HTML.
## Docs
* Fixed various typos.
[#1312]: https://github.com/SergioBenitez/Rocket/issues/1312
[`89150f`]: https://github.com/SergioBenitez/Rocket/commit/89150f
[#1263]: https://github.com/SergioBenitez/Rocket/issues/1263
[`376f74`]: https://github.com/SergioBenitez/Rocket/commit/376f74
[`Origin::map_path()`]: https://api.rocket.rs/v0.4/rocket/http/uri/struct.Origin.html#method.map_path
[`handler::Outcome::from_or_forward()`]: https://api.rocket.rs/v0.4/rocket/handler/type.Outcome.html#method.from_or_forward
[`Options::NormalizeDirs`]: https://api.rocket.rs/v0.4/rocket_contrib/serve/struct.Options.html#associatedconstant.NormalizeDirs
# Version 0.4.4 (Mar 09, 2020)
## Core
* Removed use of unsupported `cfg(debug_assertions)` in `Cargo.toml`, allowing
for builds on latest nightlies.
## Docs
* Fixed various broken links.
# Version 0.4.3 (Feb 29, 2020)
## Core
* Added a new [`Debug`] `500` `Responder` that `Debug`-prints its contents on
response.
* Specialization on `Result` was deprecated. [`Debug`] can be used in place of
non-`Responder` errors.
* Fixed an issue that resulted in cookies not being set on error responses.
* Various `Debug` implementations on Rocket types now respect formatting
options.
* Added `Responder`s for various HTTP status codes: [`NoContent`],
[`Unauthorized`], [`Forbidden`], and [`Conflict`].
* `FromParam` is implemented for `NonZero` core types.
## Codegen
* Docs for Rocket-generated macros are now hidden.
* Generated code now works even when prelude imports like `Some`, `Ok`, and
`Err` are shadowed.
* Error messages referring to responder types in routes now point to the type
correctly.
## Docs
* All code examples in the guide are now tested and guaranteed to compile.
* All macros are documented in the `core` crate; `rocket_codegen` makes no
appearances.
## Infrastructure
* CI was moved from Travis to Azure Pipelines; Windows support is tested.
* Rocket's chat moved to [Matrix] and [Freenode].
[`Debug`]: https://api.rocket.rs/v0.4/rocket/response/struct.Debug.html
[`NoContent`]: https://api.rocket.rs/v0.4/rocket/response/status/struct.NoContent.html
[`Unauthorized`]: https://api.rocket.rs/v0.4/rocket/response/status/struct.Unauthorized.html
[`Forbidden`]: https://api.rocket.rs/v0.4/rocket/response/status/struct.Forbidden.html
[`Conflict`]: https://api.rocket.rs/v0.4/rocket/response/status/struct.Conflict.html
[Matrix]: https://chat.mozilla.org/#/room/#rocket:mozilla.org
[Freenode]: https://kiwiirc.com/client/chat.freenode.net/#rocket
# Version 0.4.2 (Jun 28, 2019)
## Core
* Replaced use of `FnBox` with `Box<dyn FnOnce>`.
* Removed the stable feature gates `try_from` and `transpose_result`.
* Derive macros are reexported alongside their respective traits.
* Minimum required `rustc` is `1.35.0-nightly (2019-04-05)`.
## Codegen
* `JsonValue` now implements `FromIterator`.
* `non_snake_case` errors are silenced in generated code.
* Minimum required `rustc` is `1.33.0-nightly (2019-01-03)`.
## Contrib
* Allow setting custom ranks on `StaticFiles` via [`StaticFiles::rank()`].
* `MsgPack` correctly sets a MessagePack Content-Type on responses.
## Docs
* Fixed typos across rustdocs and guide.
* Documented library versions in contrib database documentation.
## Infrastructure
* Updated internal dependencies to their latest versions.
[`StaticFiles::rank()`]: https://api.rocket.rs/v0.4/rocket_contrib/serve/struct.StaticFiles.html#method.rank
# Version 0.4.1 (May 11, 2019)
## Core
* Rocket's default `Server` HTTP header no longer overrides a user-set header.
* Fixed encoding and decoding of certain URI characters.
## Codegen
* Compiler diagnostic information is more reliably produced.
## Contrib
* Database pool types now implement `DerefMut`.
* Added support for memcache connection pools.
* Stopped depending on default features from core.
## Docs
* Fixed many typos across the rustdocs and guide.
* Added guide documentation on mounting more than one route at once.
## Infrastructure
* Testing no longer requires "bootstrapping".
* Removed deprecated `isatty` dependency in favor of `atty`.
# Version 0.4.0 (Dec 06, 2018)
## New Features
This release includes the following new features:
* Introduced [Typed URIs].
* Introduced [ORM agnostic database support].
* Introduced [Request-Local State].
* Introduced mountable static-file serving via [`StaticFiles`].
* Introduced automatic [live template reloading].
* Introduced custom stateful handlers via [`Handler`].
* Introduced [transforming] data guards via [`FromData::transform()`].
* Introduced revamped [query string handling].
* Introduced the [`SpaceHelmet`] security and privacy headers fairing.
* Private cookies are gated behind a `private-cookies` default feature.
* Added [derive for `FromFormValue`].
* Added [derive for `Responder`].
* Added [`Template::custom()`] for customizing templating engines including
registering filters and helpers.
* Cookies are automatically tracked and propagated by [`Client`].
* Private cookies can be added to local requests with
[`LocalRequest::private_cookie()`].
* Release builds default to the `production` environment.
* Keep-alive can be configured via the `keep_alive` configuration parameter.
* Allow CLI colors and emoji to be disabled with `ROCKET_CLI_COLORS=off`.
* Route `format` accepts [shorthands] such as `json` and `html`.
* Implemented [`Responder` for `Status`].
* Added [`Response::cookies()`] for retrieving response cookies.
* All logging is disabled when `log` is set to `off`.
* Added [`Metadata`] guard for retrieving templating information.
* The [`Uri`] type parses URIs according to RFC 7230 into one of [`Origin`],
[`Absolute`], or [`Authority`].
* Added [`Outcome::and_then()`], [`Outcome::failure_then()`], and
[`Outcome::forward_then()`].
* Implemented `Responder` for `&[u8]`.
* Any `T: Into<Vec<Route>>` can be [`mount()`]ed.
* [Default rankings] range from -6 to -1, differentiating on static query
strings.
* Added [`Request::get_query_value()`] for retrieving a query value by key.
* Applications can launch without a working directory.
* Added [`State::from()`] for constructing `State` values.
[`SpaceHelmet`]: https://api.rocket.rs/v0.4/rocket_contrib/helmet/index.html
[`State::from()`]: https://api.rocket.rs/v0.4/rocket/struct.State.html#method.from
[Typed URIs]: https://rocket.rs/v0.4/guide/responses/#typed-uris
[ORM agnostic database support]: https://rocket.rs/v0.4/guide/state/#databases
[`Template::custom()`]: https://api.rocket.rs/v0.4/rocket_contrib/templates/struct.Template.html#method.custom
[`LocalRequest::private_cookie()`]: https://api.rocket.rs/v0.4/rocket/local/struct.LocalRequest.html#method.private_cookie
[`LocalRequest`]: https://api.rocket.rs/v0.4/rocket/local/struct.LocalRequest.html
[shorthands]: https://api.rocket.rs/v0.4/rocket/http/struct.ContentType.html#method.parse_flexible
[derive for `FromFormValue`]: https://api.rocket.rs/v0.4/rocket_codegen/derive.FromFormValue.html
[derive for `Responder`]: https://api.rocket.rs/v0.4/rocket_codegen/derive.Responder.html
[`Response::cookies()`]: https://api.rocket.rs/v0.4/rocket/struct.Response.html#method.cookies
[`Client`]: https://api.rocket.rs/v0.4/rocket/local/struct.Client.html
[Request-Local State]: https://rocket.rs/v0.4/guide/state/#request-local-state
[`Metadata`]: https://api.rocket.rs/v0.4/rocket_contrib/templates/struct.Metadata.html
[`Uri`]: https://api.rocket.rs/v0.4/rocket/http/uri/enum.Uri.html
[`Origin`]: https://api.rocket.rs/v0.4/rocket/http/uri/struct.Origin.html
[`Absolute`]: https://api.rocket.rs/v0.4/rocket/http/uri/struct.Absolute.html
[`Authority`]: https://api.rocket.rs/v0.4/rocket/http/uri/struct.Authority.html
[`Outcome::and_then()`]: https://api.rocket.rs/v0.4/rocket/enum.Outcome.html#method.and_then
[`Outcome::forward_then()`]: https://api.rocket.rs/v0.4/rocket/enum.Outcome.html#method.forward_then
[`Outcome::failure_then()`]: https://api.rocket.rs/v0.4/rocket/enum.Outcome.html#method.failure_then
[`StaticFiles`]: https://api.rocket.rs/v0.4/rocket_contrib/serve/struct.StaticFiles.html
[live template reloading]: https://rocket.rs/v0.4/guide/responses/#live-reloading
[`Handler`]: https://api.rocket.rs/v0.4/rocket/trait.Handler.html
[`mount()`]: https://api.rocket.rs/v0.4/rocket/struct.Rocket.html#method.mount
[`FromData::transform()`]: https://api.rocket.rs/v0.4/rocket/data/trait.FromData.html#tymethod.transform
[transforming]: https://api.rocket.rs/v0.4/rocket/data/trait.FromData.html#transforming
[query string handling]: https://rocket.rs/v0.4/guide/requests/#query-strings
[Default rankings]: https://rocket.rs/v0.4/guide/requests/#default-ranking
[`Request::get_query_value()`]: https://api.rocket.rs/v0.4/rocket/struct.Request.html#method.get_query_value
[`Responder` for `Status`]: https://rocket.rs/v0.4/guide/responses/#status
## Codegen Rewrite
The [`rocket_codegen`] crate has been entirely rewritten using to-be-stable
procedural macro APIs. We expect nightly breakages to drop dramatically, likely
to zero, as a result. The new prelude import for Rocket applications is:
```diff
- #![feature(plugin)]
- #![plugin(rocket_codegen)]
+ #![feature(proc_macro_hygiene, decl_macro)]
- extern crate rocket;
+ #[macro_use] extern crate rocket;
```
The [`rocket_codegen`] crate should **_not_** be a direct dependency. Remove it
from your `Cargo.toml`:
```diff
[dependencies]
- rocket = "0.3"
+ rocket = "0.4"
- rocket_codegen = "0.3"
```
[`rocket_codegen`]: https://api.rocket.rs/v0.4/rocket_codegen/index.html
## Breaking Changes
This release includes many breaking changes. These changes are listed below
along with a short note about how to handle the breaking change in existing
applications when applicable.
* **Route and catcher attributes respect function privacy.**
To mount a route or register a catcher outside of the module it is declared,
ensure that the handler function is marked `pub` or `crate`.
* **Query handling syntax has been completely revamped.**
A query parameter of `<param>` is now `<param..>`. Consider whether your
application benefits from the revamped [query string handling].
* **The `#[error]` attribute and `errors!` macro were removed.**
Use `#[catch]` and `catchers!` instead.
* **`Rocket::catch()` was renamed to [`Rocket::register()`].**
Change calls of the form `.catch(errors![..])` to
`.register(catchers![..])`.
* **The `#[catch]` attribute only accepts functions with 0 or 1 argument.**
Ensure the argument to the catcher, if any, is of type `&Request`.
* **[`json!`] returns a [`JsonValue`], no longer needs wrapping.**
Change instances of `Json(json!(..))` to `json!` and change the
corresponding type to `JsonValue`.
* **All environments default to port 8000.**
Manually configure a port of `80` for the `stage` and `production`
environments for the previous behavior.
* **Release builds default to the production environment.**
Manually set the environment to `debug` with `ROCKET_ENV=debug` for the
previous behavior.
* **[`Form`] and [`LenientForm`] lost a lifetime parameter, `get()` method.**
Change a type of `Form<'a, T<'a>>` to `Form<T>` or `Form<T<'a>>`. `Form<T>`
and `LenientForm<T>` now implement `Deref<Target = T>`, allowing for calls
to `.get()` to be removed.
* **[`ring`] was updated to 0.13.**
Ensure all transitive dependencies to `ring` refer to version `0.13`.
* **`Uri` was largely replaced by [`Origin`].**
In general, replace the type `Uri` with `Origin`. The `base` and `uri`
fields of [`Route`] are now of type [`Origin`]. The `&Uri` guard is now
`&Origin`. [`Request::uri()`] now returns an [`Origin`].
* **All items in [`rocket_contrib`] are namespaced behind modules.**
* `Json` is now `json::Json`
* `MsgPack` is now `msgpack::MsgPack`
* `MsgPackError` is now `msgpack::Error`
* `Template` is now `templates::Template`
* `UUID` is now `uuid::Uuid`
* `Value` is replaced by `json::JsonValue`
* **TLS certificates require the `subjectAltName` extension.**
Ensure that your TLS certificates contain the `subjectAltName` extension
with a value set to your domain.
* **Route paths, mount points, and [`LocalRequest`] URIs are strictly
checked.**
Ensure your mount points are absolute paths with no parameters, ensure your
route paths are absolute paths with proper parameter syntax, and ensure that
paths passed to `LocalRequest` are valid.
* **[`Template::show()`] takes an `&Rocket`, doesn't accept a `root`.**
Use [`client.rocket()`] to get a reference to an instance of `Rocket` when
testing. Use [`Template::render()`] in routes.
* **[`Request::remote()`] returns the _actual_ remote IP, doesn't rewrite.**
Use [`Request::real_ip()`] or [`Request::client_ip()`] to retrieve the IP
address from the "X-Real-IP" header if it is present.
* **[`Bind`] variant was added to [`LaunchErrorKind`].**
Ensure matches on `LaunchErrorKind` include or ignore the `Bind` variant.
* **Cookies are automatically tracked and propagated by [`Client`].**
For the previous behavior, construct a `Client` with
[`Client::untracked()`].
* **`UUID` was renamed to [`Uuid`].**
Use `Uuid` instead of `UUID`.
* **`LocalRequest::cloned_dispatch()` was removed.**
Chain calls to `.clone().dispatch()` for the previous behavior.
* **[`Redirect`] constructors take a generic type of `T:
TryInto<Uri<'static>>`.**
A call to a `Redirect` constructor with a non-`'static` `&str` of the form
`Redirect::to(string)` should become `Redirect::to(string.to_string())`,
heap-allocating the string before being passed to the constructor.
* **The [`FromData`] impl for [`Form`] and [`LenientForm`] now return an error
of type [`FormDataError`].**
On non-I/O errors, the form string is stored in the variant as an `&'f str`.
* **[`Missing`] variant was added to [`ConfigError`].**
Ensure matches on `ConfigError` include or ignore the `Missing` variant.
* **The [`FromData`] impl for [`Json`] now returns an error of type
[`JsonError`].**
The previous `SerdeError` is now the `.1` member of the `JsonError` `enum`.
Match and destruct the variant for the previous behavior.
* **[`FromData`] is now emulated by [`FromDataSimple`].**
Change _implementations_, not uses, of `FromData` to `FromDataSimple`.
Consider whether your implementation could benefit from [transformations].
* **[`FormItems`] iterates over values of type [`FormItem`].**
Map using `.map(|item| item.key_value())` for the previous behavior.
* **[`LaunchErrorKind::Collision`] contains a vector of the colliding routes.**
Destruct using `LaunchErrorKind::Collision(..)` to ignore the vector.
* **[`Request::get_param()`] and [`Request::get_segments()`] are indexed by
_segment_, not dynamic parameter.**
Modify the `n` argument in calls to these functions appropriately.
* **Method-based route attributes no longer accept a keyed `path` parameter.**
Change an attribute of the form `#[get(path = "..")]` to `#[get("..")]`.
* **[`Json`] and [`MsgPack`] data guards no longer reject requests with an
unexpected Content-Type**
To approximate the previous behavior, add a `format = "json"` route
parameter when using `Json` or `format = "msgpack"` when using `MsgPack`.
* **Implemented [`Responder` for `Status`]. Removed `Failure`,
`status::NoContent`, and `status::Reset` responders.**
Replace uses of `Failure(status)` with `status` directly. Replace
`status::NoContent` with `Status::NoContent`. Replace `status::Reset` with
`Status::ResetContent`.
* **[`Config::root()`] returns an `Option<&Path>` instead of an `&Path`.**
For the previous behavior, use `config.root().unwrap()`.
* **[`Status::new()`] is no longer `const`.**
Construct a `Status` directly.
* **[`Config`] constructors return a `Config` instead of a `Result<Config>`.**
* **`ConfigError::BadCWD`, `Config.config_path` were removed.**
* **[`Json`] no longer has a default value for its type parameter.**
* **Using `data` on a non-payload method route is a warning instead of error.**
* **The `raw_form_string` method of [`Form`] and [`LenientForm`] was
removed.**
* **Various impossible `Error` associated types are now set to `!`.**
* **All [`AdHoc`] constructors require a name as the first parameter.**
* **The top-level `Error` type was removed.**
[`LaunchErrorKind::Collision`]: https://api.rocket.rs/v0.4/rocket/error/enum.LaunchErrorKind.html#variant.Collision
[`json!`]: https://api.rocket.rs/v0.4/rocket_contrib/macro.json.html
[`JsonValue`]: https://api.rocket.rs/v0.4/rocket_contrib/json/struct.JsonValue.html
[`Json`]: https://api.rocket.rs/v0.4/rocket_contrib/json/struct.Json.html
[`ring`]: https://crates.io/crates/ring
[`Template::show()`]: https://api.rocket.rs/v0.4/rocket_contrib/templates/struct.Template.html#method.show
[`Template::render()`]: https://api.rocket.rs/v0.4/rocket_contrib/templates/struct.Template.html#method.render
[`client.rocket()`]: https://api.rocket.rs/v0.4/rocket/local/struct.Client.html#method.rocket
[`Request::remote()`]: https://api.rocket.rs/v0.4/rocket/struct.Request.html#method.remote
[`Request::real_ip()`]: https://api.rocket.rs/v0.4/rocket/struct.Request.html#method.real_ip
[`Request::client_ip()`]: https://api.rocket.rs/v0.4/rocket/struct.Request.html#method.client_ip
[`Bind`]: https://api.rocket.rs/v0.4/rocket/error/enum.LaunchErrorKind.html#variant.Bind
[`LaunchErrorKind`]: https://api.rocket.rs/v0.4/rocket/error/enum.LaunchErrorKind.html
[`Client::untracked()`]: https://api.rocket.rs/v0.4/rocket/local/struct.Client.html#method.untracked
[`Uuid`]: https://api.rocket.rs/v0.4/rocket_contrib/uuid/struct.Uuid.html
[`Route`]: https://api.rocket.rs/v0.4/rocket/struct.Route.html
[`Redirect`]: https://api.rocket.rs/v0.4/rocket/response/struct.Redirect.html
[`Request::uri()`]: https://api.rocket.rs/v0.4/rocket/struct.Request.html#method.uri
[`FormDataError`]: https://api.rocket.rs/v0.4/rocket/request/enum.FormDataError.html
[`FromData`]: https://api.rocket.rs/v0.4/rocket/data/trait.FromData.html
[`Form`]: https://api.rocket.rs/v0.4/rocket/request/struct.Form.html
[`LenientForm`]: https://api.rocket.rs/v0.4/rocket/request/struct.LenientForm.html
[`AdHoc`]: https://api.rocket.rs/v0.4/rocket/fairing/struct.AdHoc.html
[`Missing`]: https://api.rocket.rs/v0.4/rocket/config/enum.ConfigError.html#variant.Missing
[`ConfigError`]: https://api.rocket.rs/v0.4/rocket/config/enum.ConfigError.html
[`Rocket::register()`]: https://api.rocket.rs/v0.4/rocket/struct.Rocket.html#method.register
[`JsonError`]: https://api.rocket.rs/v0.4/rocket_contrib/json/enum.JsonError.html
[transformations]: https://api.rocket.rs/v0.4/rocket/data/trait.FromData.html#transforming
[`FromDataSimple`]: https://api.rocket.rs/v0.4/rocket/data/trait.FromDataSimple.html
[`Request::get_param()`]: https://api.rocket.rs/v0.4/rocket/struct.Request.html#method.get_param
[`Request::get_segments()`]: https://api.rocket.rs/v0.4/rocket/struct.Request.html#method.get_segments
[`FormItem`]: https://api.rocket.rs/v0.4/rocket/request/struct.FormItem.html
[`rocket_contrib`]: https://api.rocket.rs/v0.4/rocket_contrib/index.html
[`MsgPack`]: https://api.rocket.rs/v0.4/rocket_contrib/msgpack/struct.MsgPack.html
[`Status::new()`]: https://api.rocket.rs/v0.4/rocket/http/struct.Status.html#method.new
[`Config`]: https://api.rocket.rs/v0.4/rocket/struct.Config.html
[`Config::root()`]: https://api.rocket.rs/v0.4/rocket/struct.Config.html#method.root
## General Improvements
In addition to new features, Rocket saw the following improvements:
* Log messages now refer to routes by name.
* Collision errors on launch name the colliding routes.
* Launch fairing failures refer to the failing fairing by name.
* The default `403` catcher now references authorization, not authentication.
* Private cookies are set to `HttpOnly` and are given an expiration date of 1
week by default.
* A [Tera templates example] was added.
* All macros, derives, and attributes are individually documented in
[`rocket_codegen`].
* Invalid client requests receive a response of `400` instead of `500`.
* Response bodies are reliably stripped on `HEAD` requests.
* Added a default catcher for `504: Gateway Timeout`.
* Configuration information is logged in all environments.
* Use of `unsafe` was reduced from 9 to 2 in core library.
* [`FormItems`] now parses empty keys and values as well as keys without
values.
* Added [`Config::active()`] as a shorthand for
`Config::new(Environment::active()?)`.
* Address/port binding errors at launch are detected and explicitly emitted.
* [`Flash`] cookies are cleared only after they are inspected.
* `Sync` bound on [`AdHoc::on_attach()`], [`AdHoc::on_launch()`] was removed.
* [`AdHoc::on_attach()`], [`AdHoc::on_launch()`] accept an `FnOnce`.
* Added [`Config::root_relative()`] for retrieving paths relative to the
configuration file.
* Added [`Config::tls_enabled()`] for determining whether TLS is actively
enabled.
* ASCII color codes are not emitted on versions of Windows that do not support
them.
* Added FLAC (`audio/flac`), Icon (`image/x-icon`), WEBA (`audio/webm`), TIFF
(`image/tiff`), AAC (`audio/aac`), Calendar (`text/calendar`), MPEG
(`video/mpeg`), TAR (`application/x-tar`), GZIP (`application/gzip`), MOV
(`video/quicktime`), MP4 (`video/mp4`), ZIP (`application/zip`) as known
media types.
* Added `.weba` (`WEBA`), `.ogv` (`OGG`), `.mp4` (`MP4`), `.mpeg4` (`MP4`),
`.aac` (`AAC`), `.ics` (`Calendar`), `.bin` (`Binary`), `.mpg` (`MPEG`),
`.mpeg` (`MPEG`), `.tar` (`TAR`), `.gz` (`GZIP`), `.tif` (`TIFF`), `.tiff`
(`TIFF`), `.mov` (`MOV`) as known extensions.
* Interaction between route attributes and declarative macros has been
improved.
* Generated code now logs through logging infrastructures as opposed to using
`println!`.
* Routing has been optimized by caching routing metadata.
* [`Form`] and [`LenientForm`] can be publicly constructed.
* Console coloring uses default terminal colors instead of white.
* Console coloring is consistent across all messages.
* `i128` and `u128` now implement [`FromParam`], [`FromFormValue`].
* The `base64` dependency was updated to `0.10`.
* The `log` dependency was updated to `0.4`.
* The `handlebars` dependency was updated to `1.0`.
* The `tera` dependency was updated to `0.11`.
* The `uuid` dependency was updated to `0.7`.
* The `rustls` dependency was updated to `0.14`.
* The `cookie` dependency was updated to `0.11`.
[Tera templates example]: https://github.com/SergioBenitez/Rocket/tree/v0.4/examples/tera_templates
[`FormItems`]: https://api.rocket.rs/v0.4/rocket/request/enum.FormItems.html
[`Config::active()`]: https://api.rocket.rs/v0.4/rocket/config/struct.Config.html#method.active
[`Flash`]: https://api.rocket.rs/v0.4/rocket/response/struct.Flash.html
[`AdHoc::on_attach()`]: https://api.rocket.rs/v0.4/rocket/fairing/struct.AdHoc.html#method.on_attach
[`AdHoc::on_launch()`]: https://api.rocket.rs/v0.4/rocket/fairing/struct.AdHoc.html#method.on_launch
[`Config::root_relative()`]: https://api.rocket.rs/v0.4/rocket/struct.Config.html#method.root_relative
[`Config::tls_enabled()`]: https://api.rocket.rs/v0.4/rocket/struct.Config.html#method.tls_enabled
[`rocket_codegen`]: https://api.rocket.rs/v0.4/rocket_codegen/index.html
[`FromParam`]: https://api.rocket.rs/v0.4/rocket/request/trait.FromParam.html
[`FromFormValue`]: https://api.rocket.rs/v0.4/rocket/request/trait.FromFormValue.html
[`Data`]: https://api.rocket.rs/v0.4/rocket/struct.Data.html
## Infrastructure
* All documentation is versioned.
* Previous, current, and development versions of all documentation are hosted.
* The repository was reorganized with top-level directories of `core` and
`contrib`.
* The `http` module was split into its own `rocket_http` crate. This is an
internal change only.
* All uses of `unsafe` are documented with informal proofs of correctness.
# Version 0.3.16 (Aug 24, 2018)
## Codegen
* Codegen was updated for `2018-08-23` nightly.
* Minimum required `rustc` is `1.30.0-nightly 2018-08-23`.
## Core
* Force close only the read end of connections. This allows responses to be
sent even when the client transmits more data than expected.
## Docs
* Add details on retrieving configuration extras to guide.
# Version 0.3.15 (Jul 16, 2018)
## Codegen
* The `#[catch]` decorator and `catchers!` macro were introduced, replacing
`#[error]` and `errors!`.
* The `#[error]` decorator and `errors!` macro were deprecated.
* Codegen was updated for `2018-07-15` nightly.
* Minimum required `rustc` is `1.29.0-nightly 2018-07-15`.
# Version 0.3.14 (Jun 22, 2018)
## Codegen
* Codegen was updated for `2018-06-22` nightly.
* Minimum required `rustc` is `1.28.0-nightly 2018-06-22`.
# Version 0.3.13 (Jun 16, 2018)
## Codegen
* Codegen was updated for `2018-06-12` nightly.
* Minimum required `rustc` is `1.28.0-nightly 2018-06-12`.
# Version 0.3.12 (May 31, 2018)
## Codegen
* Codegen was updated for `2018-05-30` nightly.
* Minimum required `rustc` is `1.28.0-nightly 2018-05-30`.
# Version 0.3.11 (May 19, 2018)
## Core
* Core was updated for `2018-05-18` nightly.
## Infrastructure
* Fixed injection of dependencies for codegen compile-fail tests.
# Version 0.3.10 (May 05, 2018)
## Core
* Fixed parsing of nested TOML structures in config environment variables.
## Codegen
* Codegen was updated for `2018-05-03` nightly.
* Minimum required `rustc` is `1.27.0-nightly 2018-05-04`.
## Contrib
* Contrib was updated for `2018-05-03` nightly.
## Docs
* Fixed database pool type in state guide.
# Version 0.3.9 (Apr 26, 2018)
## Core
* Core was updated for `2018-04-26` nightly.
* Minimum required `rustc` is `1.27.0-nightly 2018-04-26`.
* Managed state retrieval cost was reduced to an unsynchronized `HashMap`
lookup.
## Codegen
* Codegen was updated for `2018-04-26` nightly.
* Minimum required `rustc` is `1.27.0-nightly 2018-04-26`.
## Contrib
* A 512-byte buffer is preallocated when deserializing JSON, improving
performance.
## Docs
* Fixed various typos in rustdocs and guide.
# Version 0.3.8 (Apr 07, 2018)
## Codegen
* Codegen was updated for `2018-04-06` nightly.
* Minimum required `rustc` is `1.27.0-nightly 2018-04-06`.
# Version 0.3.7 (Apr 03, 2018)
## Core
* Fixed a bug where incoming request URIs would match routes with the same
path prefix and suffix and ignore the rest.
* Added known media types for WASM, WEBM, OGG, and WAV.
* Fixed fragment URI parsing.
## Codegen
* Codegen was updated for `2018-04-03` nightly.
* Minimum required `rustc` is `1.27.0-nightly 2018-04-03`.
## Contrib
* JSON data is read eagerly, improving deserialization performance.
## Docs
* Database example and docs were updated for Diesel 1.1.
* Removed outdated README performance section.
* Fixed various typos in rustdocs and guide.
## Infrastructure
* Removed gates for stabilized features: `iterator_for_each`, `i128_type`,
`conservative_impl_trait`, `never_type`.
* Travis now tests in both debug and release mode.
# Version 0.3.6 (Jan 12, 2018)
## Core
* `Rocket.state()` method was added to retrieve managed state from `Rocket`
instances.
* Nested calls to `Rocket.attach()` are now handled correctly.
* JSON API (`application/vnd.api+json`) is now a known media type.
* Uncached markers for `ContentType` and `Accept` headers are properly
preserved on `Request.clone()`.
* Minimum required `rustc` is `1.25.0-nightly 2018-01-12`.
## Codegen
* Codegen was updated for `2017-12-22` nightly.
* Minimum required `rustc` is `1.24.0-nightly 2017-12-22`.
## Docs
* Fixed typo in state guide: ~~simple~~ simply.
* Database example and docs were updated for Diesel 1.0.
## Infrastructure
* Shell scripts now use `git grep` instead of `egrep` for faster searching.
# Version 0.3.5 (Dec 18, 2017)
## Codegen
* Codegen was updated for `2017-12-17` nightly.
* Minimum required `rustc` is `1.24.0-nightly 2017-12-17`.
# Version 0.3.4 (Dec 14, 2017)
## Core
* `NamedFile`'s `Responder` implementation now uses a sized body when the
file's length is known.
* `#[repr(C)]` is used on `str` wrappers to guarantee correct structure layout
across platforms.
* A `status::BadRequest` `Responder` was added.
## Codegen
* Codegen was updated for `2017-12-13` nightly.
* Minimum required `rustc` is `1.24.0-nightly 2017-12-13`.
## Docs
* The rustdoc `html_root_url` now points to the correct address.
* Fixed typo in fairings guide: ~~event~~ events.
* Fixed typo in `Outcome` docs: ~~users~~ Users.
# Version 0.3.3 (Sep 25, 2017)
## Core
* `Config`'s `Debug` implementation now respects formatting options.
* `Cow<str>` now implements `FromParam`.
* `Vec<u8>` now implements `Responder`.
* Added a `Binary` media type for `application/octet-stream`.
* Empty fairing collections are no longer logged.
* Emojis are no longer emitted to non-terminals.
* Minimum required `rustc` is `1.22.0-nightly 2017-09-13`.
## Codegen
* Improved "missing argument in handler" compile-time error message.
* Codegen was updated for `2017-09-25` nightly.
* Minimum required `rustc` is `1.22.0-nightly 2017-09-25`.
## Docs
* Fixed typos in site overview: ~~by~~ be, ~~`Reponder`~~ `Responder`.
* Markdown indenting was adjusted for CommonMark.
## Infrastructure
* Shell scripts handle paths with spaces.
# Version 0.3.2 (Aug 15, 2017)
## Core
* Added conversion methods from and to `Box<UncasedStr>`.
## Codegen
* Lints were removed due to compiler instability. Lints will likely return as
a separate `rocket_lints` crate.
# Version 0.3.1 (Aug 11, 2017)
## Core
* Added support for ASCII colors on modern Windows consoles.
* Form field renames can now include _any_ valid characters, not just idents.
## Codegen
* Ignored named route parameters are now allowed (`_ident`).
* Fixed issue where certain paths would cause a lint `assert!` to fail
([#367](https://github.com/SergioBenitez/Rocket/issues/367)).
* Lints were updated for `2017-08-10` nightly.
* Minimum required `rustc` is `1.21.0-nightly (2017-08-10)`.
## Contrib
* Tera errors that were previously skipped internally are now emitted.
## Documentation
* Typos were fixed across the board.
# Version 0.3.0 (Jul 14, 2017)
## New Features
This release includes the following new features:
* [Fairings], Rocket's structure middleware, were introduced.
* [Native TLS support] was introduced.
* [Private cookies] were introduced.
* A [`MsgPack`] type has been added to [`contrib`] for simple consumption and
returning of MessagePack data.
* Launch failures ([`LaunchError`]) from [`Rocket::launch()`] are now returned
for inspection without panicking.
* Routes without query parameters now match requests with or without query
parameters.
* [Default rankings] range from -4 to -1, preferring static paths and routes
with query string matches.
* A native [`Accept`] header structure was added.
* The [`Accept`] request header can be retrieved via [`Request::accept()`].
* Incoming form fields [can be renamed] via a new `#[form(field = "name")]`
structure field attribute.
* All active routes can be retrieved via [`Rocket::routes()`].
* [`Response::body_string()`] was added to retrieve the response body as a
`String`.
* [`Response::body_bytes()`] was added to retrieve the response body as a
`Vec<u8>`.
* [`Response::content_type()`] was added to easily retrieve the Content-Type
header of a response.
* Size limits on incoming data are [now
configurable](https://rocket.rs/v0.3/guide/configuration/#data-limits).
* [`Request::limits()`] was added to retrieve incoming data limits.
* Responders may dynamically adjust their response based on the incoming
request.
* [`Request::guard()`] was added for simple retrieval of request guards.
* [`Request::route()`] was added to retrieve the active route, if any.
* `&Route` is now a request guard.
* The base mount path of a [`Route`] can be retrieved via `Route::base` or
`Route::base()`.
* [`Cookies`] supports _private_ (authenticated encryption) cookies, encrypted
with the `secret_key` config key.
* `Config::{development, staging, production}` constructors were added for
[`Config`].
* [`Config::get_datetime()`] was added to retrieve an extra as a `Datetime`.
* Forms can be now parsed _leniently_ via the new [`LenientForm`] data guard.
* The `?` operator can now be used with `Outcome`.
* Quoted string, array, and table based [configuration parameters] can be set
via environment variables.
* Log coloring is disabled when `stdout` is not a TTY.
* [`FromForm`] is implemented for `Option<T: FromForm>`, `Result<T: FromForm,
T::Error>`.
* The [`NotFound`] responder was added for simple **404** response
construction.
[Fairings]: https://rocket.rs/v0.3/guide/fairings/
[Native TLS support]: https://rocket.rs/v0.3/guide/configuration/#configuring-tls
[Private cookies]: https://rocket.rs/v0.3/guide/requests/#private-cookies
[can be renamed]: https://rocket.rs/v0.3/guide/requests/#field-renaming
[`MsgPack`]: https://api.rocket.rs/v0.3/rocket_contrib/struct.MsgPack.html
[`Rocket::launch()`]: https://api.rocket.rs/v0.3/rocket/struct.Rocket.html#method.launch
[`LaunchError`]: https://api.rocket.rs/v0.3/rocket/error/struct.LaunchError.html
[Default rankings]: https://api.rocket.rs/v0.3/rocket/struct.Route.html
[`Route`]: https://api.rocket.rs/v0.3/rocket/struct.Route.html
[`Accept`]: https://api.rocket.rs/v0.3/rocket/http/struct.Accept.html
[`Request::accept()`]: https://api.rocket.rs/v0.3/rocket/struct.Request.html#method.accept
[`contrib`]: https://api.rocket.rs/v0.3/rocket_contrib/
[`Rocket::routes()`]: https://api.rocket.rs/v0.3/rocket/struct.Rocket.html#method.routes
[`Response::body_string()`]: https://api.rocket.rs/v0.3/rocket/struct.Response.html#method.body_string
[`Response::body_bytes()`]: https://api.rocket.rs/v0.3/rocket/struct.Response.html#method.body_bytes
[`Response::content_type()`]: https://api.rocket.rs/v0.3/rocket/struct.Response.html#method.content_type
[`Request::guard()`]: https://api.rocket.rs/v0.3/rocket/struct.Request.html#method.guard
[`Request::limits()`]: https://api.rocket.rs/v0.3/rocket/struct.Request.html#method.limits
[`Request::route()`]: https://api.rocket.rs/v0.3/rocket/struct.Request.html#method.route
[`Config`]: https://api.rocket.rs/v0.3/rocket/struct.Config.html
[`Cookies`]: https://api.rocket.rs/v0.3/rocket/http/enum.Cookies.html
[`Config::get_datetime()`]: https://api.rocket.rs/v0.3/rocket/struct.Config.html#method.get_datetime
[`LenientForm`]: https://api.rocket.rs/v0.3/rocket/request/struct.LenientForm.html
[configuration parameters]: https://api.rocket.rs/v0.3/rocket/config/index.html#environment-variables
[`NotFound`]: https://api.rocket.rs/v0.3/rocket/response/status/struct.NotFound.html
## Breaking Changes
This release includes many breaking changes. These changes are listed below
along with a short note about how to handle the breaking change in existing
applications.
* **`session_key` was renamed to `secret_key`, requires a 256-bit base64 key**
It's unlikely that `session_key` was previously used. If it was, rename
`session_key` to `secret_key`. Generate a random 256-bit base64 key using a
tool like openssl: `openssl rand -base64 32`.
* **The `&Cookies` request guard has been removed in favor of `Cookies`**
Change `&Cookies` in a request guard position to `Cookies`.
* **`Rocket::launch()` now returns a `LaunchError`, doesn't panic.**
For the old behavior, suffix a call to `.launch()` with a semicolon:
`.launch();`.
* **Routes without query parameters match requests with or without query
parameters.**
There is no workaround, but this change may allow manual ranks from routes
to be removed.
* **The `format` route attribute on non-payload requests matches against the
Accept header.**
Excepting a custom request guard, there is no workaround. Previously,
`format` always matched against the Content-Type header, regardless of
whether the request method indicated a payload or not.
* **A type of `&str` can no longer be used in form structures or parameters.**
Use the new [`&RawStr`] type instead.
* **`ContentType` is no longer a request guard.**
Use `&ContentType` instead.
* **`Request::content_type()` returns `&ContentType` instead of
`ContentType`.**
Use `.clone()` on `&ContentType` if a type of `ContentType` is required.
* **`Response::header_values()` was removed. `Response::headers()` now returns
an `&HeaderMap`.**
A call to `Response::headers()` can be replaced with
`Response::headers().iter()`. A call to `Response::header_values(name)` can
be replaced with `Response::headers().get(name)`.
* **Route collisions result in a hard error and panic.**
There is no workaround. Previously, route collisions were a warning.
* **The [`IntoOutcome`] trait has been expanded and made more flexible.**
There is no workaround. `IntoOutcome::into_outcome()` now takes a `Failure`
value to use. `IntoOutcome::or_forward()` was added to return a `Forward`
outcome if `self` indicates an error.
* **The 'testing' feature was removed.**
Remove `features = ["testing"]` from `Cargo.toml`. Use the new [`local`]
module for testing.
* **`serde` was updated to 1.0.**
There is no workaround. Ensure all dependencies rely on `serde` `1.0`.
* **`config::active()` was removed.**
Use [`Rocket::config()`] to retrieve the configuration before launch. If
needed, use [managed state] to store config information for later use.
* **The [`Responder`] trait has changed.**
`Responder::respond(self)` was removed in favor of
`Responder::respond_to(self, &Request)`. Responders may dynamically adjust
their response based on the incoming request.
* **`Outcome::of(Responder)` was removed while `Outcome::from(&Request,
Responder)` was added.**
Use `Outcome::from(..)` instead of `Outcome::of(..)`.
* **Usage of templates requires `Template::fairing()` to be attached.**
Call `.attach(Template::fairing())` on the application's Rocket instance
before launching.
* **The `Display` implementation of `Template` was removed.**
Use [`Template::show()`] to render a template directly.
* **`Request::new()` is no longer exported.**
There is no workaround.
* **The [`FromForm`] trait has changed.**
`Responder::from_form_items(&mut FormItems)` was removed in favor of
`Responder::from_form(&mut FormItems, bool)`. The second parameter indicates
whether parsing should be strict (if `true`) or lenient (if `false`).
* **`LoggingLevel` was removed as a root reexport.**
It can now be imported from `rocket::config::LoggingLevel`.
* **An `Io` variant was added to [`ConfigError`].**
Ensure `match`es on `ConfigError` include an `Io` variant.
* **[`ContentType::from_extension()`] returns an `Option<ContentType>`.**
For the old behavior, use `.unwrap_or(ContentType::Any)`.
* **The `IntoValue` config trait was removed in favor of `Into<Value>`.**
There is no workaround. Use `Into<Value>` as necessary.
* **The `rocket_contrib::JSON` type has been renamed to
[`rocket_contrib::Json`].**
Use `Json` instead of `JSON`.
* **All structs in the [`content`] module use TitleCase names.**
Use `Json`, `Xml`, `Html`, and `Css` instead of `JSON`, `XML`, `HTML`, and
`CSS`, respectively.
[`&RawStr`]: https://api.rocket.rs/v0.3/rocket/http/struct.RawStr.html
[`IntoOutcome`]: https://api.rocket.rs/v0.3/rocket/outcome/trait.IntoOutcome.html
[`local`]: https://api.rocket.rs/v0.3/rocket/local/index.html
[`Rocket::config()`]: https://api.rocket.rs/v0.3/rocket/struct.Rocket.html#method.config
[managed state]: https://rocket.rs/v0.3/guide/state/
[`Responder`]: https://api.rocket.rs/v0.3/rocket/response/trait.Responder.html
[`Template::show()`]: https://api.rocket.rs/v0.3/rocket_contrib/struct.Template.html#method.show
[`FromForm`]: https://api.rocket.rs/v0.3/rocket/request/trait.FromForm.html
[`ConfigError`]: https://api.rocket.rs/v0.3/rocket/config/enum.ConfigError.html
[`ContentType::from_extension()`]: https://api.rocket.rs/v0.3/rocket/http/struct.ContentType.html#method.from_extension
[`rocket_contrib::Json`]: https://api.rocket.rs/v0.3/rocket_contrib/struct.Json.html
[`content`]: https://api.rocket.rs/v0.3/rocket/response/content/index.html
## General Improvements
In addition to new features, Rocket saw the following improvements:
* "Rocket" is now capitalized in the `Server` HTTP header.
* The generic parameter of `rocket_contrib::Json` defaults to `json::Value`.
* The trailing '...' in the launch message was removed.
* The launch message prints regardless of the config environment.
* For debugging, `FromData` is implemented for `Vec<u8>` and `String`.
* The port displayed on launch is the port resolved, not the one configured.
* The `uuid` dependency was updated to `0.5`.
* The `base64` dependency was updated to `0.6`.
* The `toml` dependency was updated to `0.4`.
* The `handlebars` dependency was updated to `0.27`.
* The `tera` dependency was updated to `0.10`.
* [`yansi`] is now used for all terminal coloring.
* The `dev` `rustc` release channel is supported during builds.
* [`Config`] is now exported from the root.
* [`Request`] implements `Clone` and `Debug`.
* The `workers` config parameter now defaults to `num_cpus * 2`.
* Console logging for table-based config values is improved.
* `PartialOrd`, `Ord`, and `Hash` are now implemented for [`State`].
* The format of a request is always logged when available.
* Route matching on `format` now functions as documented.
[`yansi`]: https://crates.io/crates/yansi
[`Request`]: https://api.rocket.rs/v0.3/rocket/struct.Request.html
[`State`]: https://api.rocket.rs/v0.3/rocket/struct.State.html
## Infrastructure
* All examples include a test suite.
* The `master` branch now uses a `-dev` version number.
# Version 0.2.8 (Jun 01, 2017)
## Codegen
* Lints were updated for `2017-06-01` nightly.
* Minimum required `rustc` is `1.19.0-nightly (2017-06-01)`.
# Version 0.2.7 (May 26, 2017)
## Codegen
* Codegen was updated for `2017-05-26` nightly.
# Version 0.2.6 (Apr 17, 2017)
## Codegen
* Allow `k` and `v` to be used as fields in `FromForm` structures by avoiding
identifier collisions ([#265]).
[#265]: https://github.com/SergioBenitez/Rocket/issues/265
# Version 0.2.5 (Apr 16, 2017)
## Codegen
* Lints were updated for `2017-04-15` nightly.
* Minimum required `rustc` is `1.18.0-nightly (2017-04-15)`.
# Version 0.2.4 (Mar 30, 2017)
## Codegen
* Codegen was updated for `2017-03-30` nightly.
* Minimum required `rustc` is `1.18.0-nightly (2017-03-30)`.
# Version 0.2.3 (Mar 22, 2017)
## Fixes
* Multiple header values for the same header name are now properly preserved
(#223).
## Core
* The `get_slice` and `get_table` methods were added to `Config`.
* The `pub_restricted` feature has been stabilized!
## Codegen
* Lints were updated for `2017-03-20` nightly.
* Minimum required `rustc` is `1.17.0-nightly (2017-03-22)`.
## Infrastructure
* The test script now denies trailing whitespace.
# Version 0.2.2 (Feb 26, 2017)
## Codegen
* Lints were updated for `2017-02-25` and `2017-02-26` nightlies.
* Minimum required `rustc` is `1.17.0-nightly (2017-02-26)`.
# Version 0.2.1 (Feb 24, 2017)
## Core Fixes
* `Flash` cookie deletion functions as expected regardless of the path.
* `config` properly accepts IPv6 addresses.
* Multiple `Set-Cookie` headers are properly set.
## Core Improvements
* `Display` and `Error` were implemented for `ConfigError`.
* `webp`, `ttf`, `otf`, `woff`, and `woff2` were added as known content types.
* Routes are presorted for faster routing.
* `into_bytes` and `into_inner` methods were added to `Body`.
## Codegen
* Fixed `unmanaged_state` lint so that it works with prefilled type aliases.
## Contrib
* Better errors are emitted on Tera template parse errors.
## Documentation
* Fixed typos in `manage` and `JSON` docs.
## Infrastructure
* Updated doctests for latest Cargo nightly.
# Version 0.2.0 (Feb 06, 2017)
Detailed release notes for v0.2 can also be found on
[rocket.rs](https://rocket.rs/v0.3/news/2017-02-06-version-0.2/).
## New Features
This release includes the following new features:
* Introduced managed state.
* Added lints that warn on unmanaged state and unmounted routes.
* Added the ability to set configuration parameters via environment variables.
* `Config` structures can be built via `ConfigBuilder`, which follows the
builder pattern.
* Logging can be enabled or disabled on custom configuration via a second
parameter to the `Rocket::custom` method.
* `name` and `value` methods were added to `Header` to retrieve the name and
value of a header.
* A new configuration parameter, `workers`, can be used to set the number of
threads Rocket uses.
* The address of the remote connection is available via `Request.remote()`.
Request preprocessing overrides remote IP with value from the `X-Real-IP`
header, if present.
* During testing, the remote address can be set via `MockRequest.remote()`.
* The `SocketAddr` request guard retrieves the remote address.
* A `UUID` type has been added to `contrib`.
* `rocket` and `rocket_codegen` will refuse to build with an incompatible
nightly version and emit nice error messages.
* Major performance and usability improvements were upstreamed to the `cookie`
crate, including the addition of a `CookieBuilder`.
* When a checkbox isn't present in a form, `bool` types in a `FromForm`
structure will parse as `false`.
* The `FormItems` iterator can be queried for a complete parse via `completed`
and `exhausted`.
* Routes for `OPTIONS` requests can be declared via the `options` decorator.
* Strings can be percent-encoded via `URI::percent_encode()`.
## Breaking Changes
This release includes several breaking changes. These changes are listed below
along with a short note about how to handle the breaking change in existing
applications.
* **`Rocket::custom` takes two parameters, the first being `Config` by
value.**
A call in v0.1 of the form `Rocket::custom(&config)` is now
`Rocket::custom(config, false)`.
* **Tera templates are named without their extension.**
A templated named `name.html.tera` is now simply `name`.
* **`JSON` `unwrap` method has been renamed to `into_inner`.**
A call to `.unwrap()` should be changed to `.into_inner()`.
* **The `map!` macro was removed in favor of the `json!` macro.**
A call of the form `map!{ "a" => b }` can be written as: `json!({ "a": b
})`.
* **The `hyper::SetCookie` header is no longer exported.**
Use the `Cookie` type as an `Into<Header>` type directly.
* **The `Content-Type` for `String` is now `text/plain`.**
Use `content::HTML<String>` for HTML-based `String` responses.
* **`Request.content_type()` returns an `Option<ContentType>`.**
Use `.unwrap_or(ContentType::Any)` to get the old behavior.
* **The `ContentType` request guard forwards when the request has no
`Content-Type` header.**
Use an `Option<ContentType>` and `.unwrap_or(ContentType::Any)` for the old
behavior.
* **A `Rocket` instance must be declared _before_ a `MockRequest`.**
Change the order of the `rocket::ignite()` and `MockRequest::new()` calls.
* **A route with `format` specified only matches requests with the same
format.**
Previously, a route with a `format` would match requests without a format
specified. There is no workaround to this change; simply specify formats
when required.
* **`FormItems` can no longer be constructed directly.**
Instead of constructing as `FormItems(string)`, construct as
`FormItems::from(string)`.
* **`from_from_string(&str)` in `FromForm` removed in favor of
`from_form_items(&mut FormItems)`.**
Most implementation should be using `FormItems` internally; simply use the
passed in `FormItems`. In other cases, the form string can be retrieved via
the `inner_str` method of `FormItems`.
* **`Config::{set, default_for}` are deprecated.**
Use the `set_{param}` methods instead of `set`, and `new` or `build` in
place of `default_for`.
* **Route paths must be absolute.**
Prepend a `/` to convert a relative path into an absolute one.
* **Route paths cannot contain empty segments.**
Remove any empty segments, including trailing ones, from a route path.
## Bug Fixes
A couple of bugs were fixed in this release:
* Handlebars partials were not properly registered
([#122](https://github.com/SergioBenitez/Rocket/issues/122)).
* `Rocket::custom` did not set the custom configuration as the `active`
configuration.
* Route path segments containing more than one dynamic parameter were
allowed.
## General Improvements
In addition to new features, Rocket saw the following smaller improvements:
* Rocket no longer overwrites a catcher's response status.
* The `port` `Config` type is now a proper `u16`.
* Clippy issues injected by codegen are resolved.
* Handlebars was updated to `0.25`.
* The `PartialEq` implementation of `Config` doesn't consider the path or
secret key.
* Hyper dependency updated to `0.10`.
* The `Error` type for `JSON as FromData` has been exposed as `SerdeError`.
* SVG was added as a known Content-Type.
* Serde was updated to `0.9`.
* Form parse failure now results in a **422** error code.
* Tera has been updated to `0.7`.
* `pub(crate)` is used throughout to enforce visibility rules.
* Query parameters in routes (`/path?<param>`) are now logged.
* Routes with and without query parameters no longer _collide_.
## Infrastructure
* Testing was parallelized, resulting in 3x faster Travis builds.
# Version 0.1.6 (Jan 26, 2017)
## Infrastructure
* Hyper version pinned to 0.9.14 due to upstream non-semver breaking change.
# Version 0.1.5 (Jan 14, 2017)
## Core
* Fixed security checks in `FromSegments` implementation for `PathBuf`.
## Infrastructure
* `proc_macro` feature removed from examples due to stability.
# Version 0.1.4 (Jan 4, 2017)
## Core
* Header names are treated as case-preserving.
## Codegen
* Minimum supported nightly is `2017-01-03`.
# Version 0.1.3 (Dec 31, 2016)
## Core
* Typo in `Outcome` formatting fixed (Succcess -> Success).
* Added `ContentType::CSV`.
* Dynamic segments parameters are properly resolved, even when mounted.
* Request methods are only overridden via `_method` field on POST.
* Form value `String`s are properly decoded.
## Codegen
* The `_method` field is now properly ignored in `FromForm` derivation.
* Unknown Content-Types in `format` no longer result in an error.
* Deriving `FromForm` no longer results in a deprecation warning.
* Codegen will refuse to build with incompatible rustc, presenting error
message and suggestion.
* Added `head` as a valid decorator for `HEAD` requests.
* Added `route(OPTIONS)` as a valid decorator for `OPTIONS` requests.
## Contrib
* Templates with the `.tera` extension are properly autoescaped.
* Nested template names are properly resolved on Windows.
* Template implements `Display`.
* Tera dependency updated to version 0.6.
## Docs
* Todo example requirements clarified in its `README`.
## Testing
* Tests added for `config`, `optional_result`, `optional_redirect`, and
`query_params` examples.
* Testing script checks for and disallows tab characters.
## Infrastructure
* New script (`bump_version.sh`) automates version bumps.
* Config script emits error when readlink/readpath support is bad.
* Travis badge points to public builds.
# Version 0.1.2 (Dec 24, 2016)
## Codegen
* Fix `get_raw_segments` index argument in route codegen
([#41](https://github.com/SergioBenitez/Rocket/issues/41)).
* Segments params (`<param..>`) respect prefixes.
## Contrib
* Fix nested template name resolution
([#42](https://github.com/SergioBenitez/Rocket/issues/42)).
## Infrastructure
* New script (`publish.sh`) automates publishing to crates.io.
* New script (`bump_version.sh`) automates version bumps.
# Version 0.1.1 (Dec 23, 2016)
## Core
* `NamedFile` `Responder` lost its body in the shuffle; it's back!
# Version 0.1.0 (Dec 23, 2016)
This is the first public release of Rocket!
## Breaking
All of the mentions to `hyper` types in core Rocket types are no more. Rocket
now implements its own `Request` and `Response` types.
* `ContentType` uses associated constants instead of static methods.
* `StatusCode` removed in favor of new `Status` type.
* `Response` type alias superseded by `Response` type.
* `Responder::respond` no longer takes in hyper type.
* `Responder::respond` returns `Response`, takes `self` by move.
* `Handler` returns `Outcome` instead of `Response` type alias.
* `ErrorHandler` returns `Result`.
* All `Hyper*` types were moved to unprefixed versions in `hyper::`.
* `MockRequest::dispatch` now returns a `Response` type.
* `URIBuf` removed in favor of unified `URI`.
* Rocket panics when an illegal, dynamic mount point is used.
## Core
* Rocket handles `HEAD` requests automatically.
* New `Response` and `ResponseBuilder` types.
* New `Request`, `Header`, `Status`, and `ContentType` types.
## Testing
* `MockRequest` allows any type of header.
* `MockRequest` allows cookies.
## Codegen
* Debug output disabled by default.
* The `ROCKET_CODEGEN_DEBUG` environment variables enables codegen logging.
# Version 0.0.11 (Dec 11, 2016)
## Streaming Requests
All incoming request data is now streamed. This resulted in a major change to
the Rocket APIs. They are summarized through the following API changes:
* The `form` route parameter has been removed.
* The `data` route parameter has been introduced.
* Forms are now handled via the `data` parameter and `Form` type.
* Removed the `data` parameter from `Request`.
* Added `FromData` conversion trait and default implementation.
* `FromData` is used to automatically derive the `data` parameter.
* `Responder`s are now final: they cannot forward to other requests.
* `Responder`s may only forward to catchers.
## Breaking
* Request `uri` parameter is private. Use `uri()` method instead.
* `form` module moved under `request` module.
* `response::data` was renamed to `response::content`.
* Introduced `Outcome` with `Success`, `Failure`, and `Forward` variants.
* `outcome` module moved to top-level.
* `Response` is now a type alias to `Outcome`.
* `Empty` `Responder` was removed.
* `StatusResponder` removed in favor of `response::status` module.
## Codegen
* Error handlers can now take 0, 1, or 2 parameters.
* `FromForm` derive now works on empty structs.
* Lifetimes are now properly stripped in code generation.
* Any valid ident is now allowed in single-parameter route parameters.
## Core
* Route is now cloneable.
* `Request` no longer has any lifetime parameters.
* `Handler` type now includes a `Data` parameter.
* `http` module is public.
* `Responder` implemented for `()` type as an empty response.
* Add `config::get()` for global config access.
* Introduced `testing` module.
* `Rocket.toml` allows global configuration via `[global]` table.
## Docs
* Added a `raw_upload` example.
* Added a `pastebin` example.
* Documented all public APIs.
## Testing
* Now building and running tests with `--all-features` flag.
* Added appveyor config for Windows CI testing.
# Version 0.0.10 (Oct 03, 2016)
## Breaking
* Remove `Rocket::new` in favor of `ignite` method.
* Remove `Rocket::mount_and_launch` in favor of chaining `mount(..).launch()`.
* `mount` and `catch` take `Rocket` type by value.
* All types related to HTTP have been moved into `http` module.
* `Template::render` in `contrib` now takes context by reference.
## Core
* Rocket now parses option `Rocket.toml` for configuration, defaulting to sane
values.
* `ROCKET_ENV` environment variable can be used to specify running environment.
## Docs
* Document `ContentType`.
* Document `Request`.
* Add script that builds docs.
## Testing
* Scripts can now be run from any directory.
* Cache Cargo directories in Travis for faster testing.
* Check that library version numbers match in testing script.
# Version 0.0.9 (Sep 29, 2016)
## Breaking
* Rename `response::data_type` to `response::data`.
## Core
* Rocket interprets `_method` field in forms as the incoming request's method.
* Add `Outcome::Bad` to signify responses that failed internally.
* Add a `NamedFile` `Responder` type that uses a file's extension for the
response's content type.
* Add a `Stream` `Responder` for streaming responses.
## Contrib
* Introduce the `contrib` crate.
* Add JSON support via `JSON`, which implements `FromRequest` and `Responder`.
* Add templating support via `Template` which implements `Responder`.
## Docs
* Initial guide-like documentation.
* Add documentation, testing, and contributing sections to README.
## Testing
* Add a significant number of codegen tests.
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