Update library to 0.4 and support Rocket 0.4 (#46)

* Update Cargo.toml for Rocket `master`

* Prepare library for Rocket 0.4

TODO: check line 62 in `fairing.rs` to find better way than unwrapping

* Bump minimum nightly for Rocket 0.4

.travis.yml

@@ -3,7 +3,7 @@ language: rust
 rust:
   - nightly
   # Minimum Rust set by Rocket
-  - nightly-2018-08-24
+  - nightly-2018-10-06
 branches:
   only:
   - master

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "rocket_cors"
-version = "0.3.0"
+version = "0.4.0"
 license = "MIT/Apache-2.0"
 authors = ["Yong Wen Chua <me@yongwen.xyz>"]
 description = "Cross-origin resource sharing (CORS) for Rocket.rs applications"
@@ -20,8 +20,8 @@ default = ["serialization"]
 serialization = ["serde", "serde_derive", "unicase_serde", "url_serde"]
 
 [dependencies]
+rocket = { git = "https://github.com/SergioBenitez/Rocket", branch = "master" }
 log = "0.3"
-rocket = "0.3.16"
 unicase = "2.0"
 url = "1.5.1"
 
@@ -33,7 +33,6 @@ url_serde = { version = "0.2.0", optional = true }
 
 [dev-dependencies]
 hyper = "0.10"
-rocket_codegen = "0.3.16"
 serde_json = "1.0"
 serde_test = "1.0"
 

examples/fairing.rs

@@ -1,6 +1,5 @@
-#![feature(plugin)]
-#![plugin(rocket_codegen)]
-extern crate rocket;
+#![feature(proc_macro_hygiene, decl_macro)]
+#[macro_use] extern crate rocket;
 extern crate rocket_cors;
 
 use rocket::http::Method;

examples/guard.rs

@@ -1,6 +1,5 @@
-#![feature(plugin)]
-#![plugin(rocket_codegen)]
-extern crate rocket;
+#![feature(proc_macro_hygiene, decl_macro)]
+#[macro_use] extern crate rocket;
 extern crate rocket_cors;
 
 use std::io::Cursor;

examples/json.rs

@@ -1,6 +1,7 @@
 //! This example is to demonstrate the JSON serialization and deserialization of the Cors settings
 //!
 //! Note: This requires the `serialization` feature which is enabled by default.
+#![feature(proc_macro_hygiene, decl_macro)]
 extern crate rocket;
 extern crate rocket_cors as cors;
 extern crate serde_json;

examples/manual.rs

@@ -1,6 +1,5 @@
-#![feature(plugin)]
-#![plugin(rocket_codegen)]
-extern crate rocket;
+#![feature(proc_macro_hygiene, decl_macro)]
+#[macro_use] extern crate rocket;
 extern crate rocket_cors;
 
 use std::io::Cursor;

examples/mix.rs

@@ -3,9 +3,8 @@
 //! In this example, you typically have an application wide `Cors` struct except for one specific
 //! `ping` route that you want to allow all Origins to access.
 
-#![feature(plugin)]
-#![plugin(rocket_codegen)]
-extern crate rocket;
+#![feature(proc_macro_hygiene, decl_macro)]
+#[macro_use] extern crate rocket;
 extern crate rocket_cors;
 
 use rocket::http::Method;

src/fairing.rs

@@ -1,7 +1,7 @@
 //! Fairing implementation
 use std::str::FromStr;
 
-use rocket::http::{self, Header, Status};
+use rocket::http::{self, Header, Status, uri::Origin};
 use rocket::{self, Outcome, Request};
 
 use {actual_request_response, origin, preflight_response, request_headers, validate, Cors, Error};
@@ -44,7 +44,7 @@ pub(crate) fn fairing_error_route<'r>(
     request: &'r Request,
     _: rocket::Data,
 ) -> rocket::handler::Outcome<'r> {
-    let status = request.get_param::<u16>(0).unwrap_or_else(|e| {
+    let status = request.get_param::<u16>(0).unwrap_or(Ok(0)).unwrap_or_else(|e| {
         error_!("Fairing Error Handling Route error: {:?}", e);
         500
     });
@@ -59,8 +59,10 @@ fn fairing_route(rank: isize) -> rocket::Route {
 
 /// Modifies a `Request` to route to Fairing error handler
 fn route_to_fairing_error_handler(options: &Cors, status: u16, request: &mut Request) {
+    let origin = Origin::parse_owned(format!("{}/{}", options.fairing_route_base, status)).unwrap();
+
     request.set_method(http::Method::Get);
-    request.set_uri(format!("{}/{}", options.fairing_route_base, status));
+    request.set_uri(origin);
 }
 
 /// Inject a header into the Request with result
@@ -217,7 +219,7 @@ mod tests {
         let expected_uri = format!("{}/<status>", CORS_ROOT);
         let error_route = rocket
             .routes()
-            .find(|r| r.method == Method::Get && r.uri.as_str() == expected_uri);
+            .find(|r| r.method == Method::Get && r.uri.to_string() == expected_uri);
         assert!(error_route.is_some());
     }
 

src/headers.rs

@@ -120,7 +120,7 @@ pub type Origin = Url;
 pub struct AccessControlRequestMethod(pub ::Method);
 
 impl FromStr for AccessControlRequestMethod {
-    type Err = rocket::Error;
+    type Err = ();
 
     fn from_str(method: &str) -> Result<Self, Self::Err> {
         Ok(AccessControlRequestMethod(::Method::from_str(method)?))
@@ -134,7 +134,7 @@ impl<'a, 'r> FromRequest<'a, 'r> for AccessControlRequestMethod {
         match request.headers().get_one("Access-Control-Request-Method") {
             Some(request_method) => match Self::from_str(request_method) {
                 Ok(request_method) => Outcome::Success(request_method),
-                Err(e) => Outcome::Failure((Status::BadRequest, ::Error::BadRequestMethod(e))),
+                Err(_) => Outcome::Failure((Status::BadRequest, ::Error::BadRequestMethod)),
             },
             None => Outcome::Forward(()),
         }

src/lib.rs

@@ -101,9 +101,8 @@
 //! [`attach`](https://api.rocket.rs/rocket/struct.Rocket.html#method.attach) it to Rocket.
 //!
 //! ```rust,no_run
-//! #![feature(plugin, custom_derive)]
-//! #![plugin(rocket_codegen)]
-//! extern crate rocket;
+//! #![feature(proc_macro_hygiene, decl_macro)]
+//! #[macro_use] extern crate rocket;
 //! extern crate rocket_cors;
 //!
 //! use rocket::http::Method;
@@ -176,9 +175,8 @@
 //! [`Guard`](Guard) for a `Response` or a `Responder`.
 //!
 //! ```rust,no_run
-//! #![feature(plugin)]
-//! #![plugin(rocket_codegen)]
-//! extern crate rocket;
+//! #![feature(proc_macro_hygiene, decl_macro)]
+//! #[macro_use] extern crate rocket;
 //! extern crate rocket_cors;
 //!
 //! use std::io::Cursor;
@@ -295,9 +293,8 @@
 //! (which you might have put in Rocket's state).
 //!
 //! ```rust,no_run
-//! #![feature(plugin)]
-//! #![plugin(rocket_codegen)]
-//! extern crate rocket;
+//! #![feature(proc_macro_hygiene, decl_macro)]
+//! #[macro_use] extern crate rocket;
 //! extern crate rocket_cors;
 //!
 //! use rocket::http::Method;
@@ -352,9 +349,8 @@
 //! special handling, you might want to use the Guard method instead which has less hassle.
 //!
 //! ```rust,no_run
-//! #![feature(plugin)]
-//! #![plugin(rocket_codegen)]
-//! extern crate rocket;
+//! #![feature(proc_macro_hygiene, decl_macro)]
+//! #[macro_use] extern crate rocket;
 //! extern crate rocket_cors;
 //!
 //! use std::io::Cursor;
@@ -421,9 +417,8 @@
 //! You can run the example code below with `cargo run --example mix`.
 //!
 //! ```rust,no_run
-//! #![feature(plugin)]
-//! #![plugin(rocket_codegen)]
-//! extern crate rocket;
+//! #![feature(proc_macro_hygiene, decl_macro)]
+//! #[macro_use] extern crate rocket;
 //! extern crate rocket_cors;
 //!
 //! use rocket::http::Method;
@@ -516,8 +511,6 @@
     overflowing_literals,
     path_statements,
     plugin_as_library,
-    private_no_mangle_fns,
-    private_no_mangle_statics,
     stable_features,
     trivial_casts,
     trivial_numeric_casts,
@@ -538,7 +531,6 @@
     unused_parens,
     unused_results,
     unused_unsafe,
-    unused_variables,
     variant_size_differences,
     warnings,
     while_true
@@ -551,8 +543,6 @@
     unsafe_code,
     intra_doc_link_resolution_failure
 )]
-#![cfg_attr(test, feature(plugin))]
-#![cfg_attr(test, plugin(rocket_codegen))]
 #![doc(test(attr(allow(unused_variables), deny(warnings))))]
 
 #[macro_use]
@@ -622,7 +612,7 @@ pub enum Error {
     /// The request header `Access-Control-Request-Method` is required but is missing
     MissingRequestMethod,
     /// The request header `Access-Control-Request-Method` has an invalid value
-    BadRequestMethod(rocket::Error),
+    BadRequestMethod,
     /// The request header `Access-Control-Request-Headers`  is required but is missing.
     MissingRequestHeaders,
     /// Origin is not allowed to make this request
@@ -672,7 +662,7 @@ impl error::Error for Error {
                 "The request header `Access-Control-Request-Method` \
                  is required but is missing"
             }
-            Error::BadRequestMethod(_) => {
+            Error::BadRequestMethod => {
                 "The request header `Access-Control-Request-Method` has an invalid value"
             }
             Error::MissingRequestHeaders => {
@@ -712,7 +702,6 @@ impl fmt::Display for Error {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         match *self {
             Error::BadOrigin(ref e) => fmt::Display::fmt(e, f),
-            Error::BadRequestMethod(ref e) => fmt::Debug::fmt(e, f),
             _ => write!(f, "{}", error::Error::description(self)),
         }
     }
@@ -780,7 +769,7 @@ impl AllOrSome<HashSet<Url>> {
 pub struct Method(http::Method);
 
 impl FromStr for Method {
-    type Err = rocket::Error;
+    type Err = ();
 
     fn from_str(s: &str) -> Result<Self, Self::Err> {
         let method = http::Method::from_str(s)?;

tests/fairing.rs

@@ -1,9 +1,7 @@
 //! This crate tests using `rocket_cors` using Fairings
-
-#![feature(plugin)]
-#![plugin(rocket_codegen)]
+#![feature(proc_macro_hygiene, decl_macro)]
 extern crate hyper;
-extern crate rocket;
+#[macro_use] extern crate rocket;
 extern crate rocket_cors;
 
 use std::str::FromStr;

tests/guard.rs

@@ -1,9 +1,7 @@
 //! This crate tests using `rocket_cors` using the per-route handling with request guard
-
-#![feature(plugin)]
-#![plugin(rocket_codegen)]
+#![feature(proc_macro_hygiene, decl_macro)]
 extern crate hyper;
-extern crate rocket;
+#[macro_use] extern crate rocket;
 extern crate rocket_cors as cors;
 
 use std::str::FromStr;

tests/headers.rs

@@ -1,8 +1,7 @@
 //! This crate tests that all the request headers are parsed correctly in the round trip
-#![feature(plugin)]
-#![plugin(rocket_codegen)]
+#![feature(proc_macro_hygiene, decl_macro)]
 extern crate hyper;
-extern crate rocket;
+#[macro_use] extern crate rocket;
 extern crate rocket_cors;
 
 use std::ops::Deref;

tests/manual.rs

@@ -1,9 +1,7 @@
 //! This crate tests using `rocket_cors` using manual mode
-
-#![feature(plugin)]
-#![plugin(rocket_codegen)]
+#![feature(proc_macro_hygiene, decl_macro)]
 extern crate hyper;
-extern crate rocket;
+#[macro_use] extern crate rocket;
 extern crate rocket_cors;
 
 use std::str::FromStr;

tests/mix.rs

@@ -2,11 +2,9 @@
 //!
 //! In this example, you typically have an application wide `Cors` struct except for one specific
 //! `ping` route that you want to allow all Origins to access.
-
-#![feature(plugin)]
-#![plugin(rocket_codegen)]
+#![feature(proc_macro_hygiene, decl_macro)]
 extern crate hyper;
-extern crate rocket;
+#[macro_use] extern crate rocket;
 extern crate rocket_cors;
 
 use std::str::FromStr;