rocket_cors/tests/mix.rs

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//! This is an example of how you can mix and match the "Truly manual" mode with "Guard".
//!
//! 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(proc_macro_hygiene, decl_macro)]
use hyper;
use rocket_cors;
use std::str::FromStr;
use rocket::http::{Header, Method, Status};
use rocket::local::Client;
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use rocket::response::Body;
use rocket::response::Responder;
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use rocket::{get, options, routes};
use rocket_cors::{AllowedHeaders, AllowedOrigins, CorsOptions, Guard};
/// The "usual" app route
#[get("/")]
fn app(cors: Guard<'_>) -> rocket_cors::Responder<'_, &str> {
cors.responder("Hello CORS!")
}
/// The special "ping" route
#[get("/ping")]
fn ping<'r>() -> impl Responder<'r> {
let cors = cors_options_all().to_cors()?;
cors.respond_owned(|guard| guard.responder("Pong!"))
}
/// You need to define an OPTIONS route for preflight checks if you want to use `Cors` struct
/// that is not in Rocket's managed state.
/// These routes can just return the unit type `()`
#[options("/ping")]
fn ping_options<'r>() -> impl Responder<'r> {
let cors = cors_options_all().to_cors()?;
cors.respond_owned(|guard| guard.responder(()))
}
/// Returns the "application wide" Cors struct
fn cors_options() -> CorsOptions {
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let allowed_origins = AllowedOrigins::some_exact(&["https://www.acme.com"]);
// You can also deserialize this
rocket_cors::CorsOptions {
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allowed_origins,
allowed_methods: vec![Method::Get].into_iter().map(From::from).collect(),
allowed_headers: AllowedHeaders::some(&["Authorization", "Accept"]),
allow_credentials: true,
..Default::default()
}
}
/// A special struct that allows all origins
///
/// Note: In your real application, you might want to use something like `lazy_static` to generate
/// a `&'static` reference to this instead of creating a new struct on every request.
fn cors_options_all() -> CorsOptions {
// You can also deserialize this
Default::default()
}
fn rocket() -> rocket::Rocket {
rocket::ignite()
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.mount("/", routes![app, ping, ping_options,])
.mount("/", rocket_cors::catch_all_options_routes()) // mount the catch all routes
.manage(cors_options().to_cors().expect("Not to fail"))
}
#[test]
fn smoke_test() {
let client = Client::new(rocket()).unwrap();
// `Options` pre-flight checks
let origin_header =
Header::from(hyper::header::Origin::from_str("https://www.acme.com").unwrap());
let method_header = Header::from(hyper::header::AccessControlRequestMethod(
hyper::method::Method::Get,
));
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let request_headers =
hyper::header::AccessControlRequestHeaders(vec![
FromStr::from_str("Authorization").unwrap()
]);
let request_headers = Header::from(request_headers);
let req = client
.options("/")
.header(origin_header)
.header(method_header)
.header(request_headers);
let response = req.dispatch();
assert!(response.status().class().is_success());
// "Actual" request
let origin_header =
Header::from(hyper::header::Origin::from_str("https://www.acme.com").unwrap());
let authorization = Header::new("Authorization", "let me in");
let req = client.get("/").header(origin_header).header(authorization);
let mut response = req.dispatch();
assert!(response.status().class().is_success());
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let body_str = response.body().and_then(Body::into_string);
assert_eq!(body_str, Some("Hello CORS!".to_string()));
let origin_header = response
.headers()
.get_one("Access-Control-Allow-Origin")
.expect("to exist");
assert_eq!("https://www.acme.com", origin_header);
}
#[test]
fn cors_options_check() {
let client = Client::new(rocket()).unwrap();
let origin_header =
Header::from(hyper::header::Origin::from_str("https://www.acme.com").unwrap());
let method_header = Header::from(hyper::header::AccessControlRequestMethod(
hyper::method::Method::Get,
));
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let request_headers =
hyper::header::AccessControlRequestHeaders(vec![
FromStr::from_str("Authorization").unwrap()
]);
let request_headers = Header::from(request_headers);
let req = client
.options("/")
.header(origin_header)
.header(method_header)
.header(request_headers);
let response = req.dispatch();
assert!(response.status().class().is_success());
let origin_header = response
.headers()
.get_one("Access-Control-Allow-Origin")
.expect("to exist");
assert_eq!("https://www.acme.com", origin_header);
}
#[test]
fn cors_get_check() {
let client = Client::new(rocket()).unwrap();
let origin_header =
Header::from(hyper::header::Origin::from_str("https://www.acme.com").unwrap());
let authorization = Header::new("Authorization", "let me in");
let req = client.get("/").header(origin_header).header(authorization);
let mut response = req.dispatch();
assert!(response.status().class().is_success());
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let body_str = response.body().and_then(Body::into_string);
assert_eq!(body_str, Some("Hello CORS!".to_string()));
let origin_header = response
.headers()
.get_one("Access-Control-Allow-Origin")
.expect("to exist");
assert_eq!("https://www.acme.com", origin_header);
}
/// This test is to check that non CORS compliant requests to GET should still work. (i.e. curl)
#[test]
fn cors_get_no_origin() {
let client = Client::new(rocket()).unwrap();
let authorization = Header::new("Authorization", "let me in");
let req = client.get("/").header(authorization);
let mut response = req.dispatch();
assert!(response.status().class().is_success());
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let body_str = response.body().and_then(Body::into_string);
assert_eq!(body_str, Some("Hello CORS!".to_string()));
}
#[test]
fn cors_options_bad_origin() {
let client = Client::new(rocket()).unwrap();
let origin_header =
Header::from(hyper::header::Origin::from_str("https://www.bad-origin.com").unwrap());
let method_header = Header::from(hyper::header::AccessControlRequestMethod(
hyper::method::Method::Get,
));
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let request_headers =
hyper::header::AccessControlRequestHeaders(vec![
FromStr::from_str("Authorization").unwrap()
]);
let request_headers = Header::from(request_headers);
let req = client
.options("/")
.header(origin_header)
.header(method_header)
.header(request_headers);
let response = req.dispatch();
assert_eq!(response.status(), Status::Forbidden);
}
#[test]
fn cors_options_missing_origin() {
let client = Client::new(rocket()).unwrap();
let method_header = Header::from(hyper::header::AccessControlRequestMethod(
hyper::method::Method::Get,
));
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let request_headers =
hyper::header::AccessControlRequestHeaders(vec![
FromStr::from_str("Authorization").unwrap()
]);
let request_headers = Header::from(request_headers);
let req = client
.options("/")
.header(method_header)
.header(request_headers);
let response = req.dispatch();
assert!(response.status().class().is_success());
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assert!(response
.headers()
.get_one("Access-Control-Allow-Origin")
.is_none());
}
#[test]
fn cors_options_bad_request_method() {
let client = Client::new(rocket()).unwrap();
let origin_header =
Header::from(hyper::header::Origin::from_str("https://www.acme.com").unwrap());
let method_header = Header::from(hyper::header::AccessControlRequestMethod(
hyper::method::Method::Post,
));
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let request_headers =
hyper::header::AccessControlRequestHeaders(vec![
FromStr::from_str("Authorization").unwrap()
]);
let request_headers = Header::from(request_headers);
let req = client
.options("/")
.header(origin_header)
.header(method_header)
.header(request_headers);
let response = req.dispatch();
assert_eq!(response.status(), Status::Forbidden);
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assert!(response
.headers()
.get_one("Access-Control-Allow-Origin")
.is_none());
}
#[test]
fn cors_options_bad_request_header() {
let client = Client::new(rocket()).unwrap();
let origin_header =
Header::from(hyper::header::Origin::from_str("https://www.acme.com").unwrap());
let method_header = Header::from(hyper::header::AccessControlRequestMethod(
hyper::method::Method::Get,
));
let request_headers =
hyper::header::AccessControlRequestHeaders(vec![FromStr::from_str("Foobar").unwrap()]);
let request_headers = Header::from(request_headers);
let req = client
.options("/")
.header(origin_header)
.header(method_header)
.header(request_headers);
let response = req.dispatch();
assert_eq!(response.status(), Status::Forbidden);
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assert!(response
.headers()
.get_one("Access-Control-Allow-Origin")
.is_none());
}
#[test]
fn cors_get_bad_origin() {
let client = Client::new(rocket()).unwrap();
let origin_header =
Header::from(hyper::header::Origin::from_str("https://www.bad-origin.com").unwrap());
let authorization = Header::new("Authorization", "let me in");
let req = client.get("/").header(origin_header).header(authorization);
let response = req.dispatch();
assert_eq!(response.status(), Status::Forbidden);
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assert!(response
.headers()
.get_one("Access-Control-Allow-Origin")
.is_none());
}
/// Tests that the `ping` route accepts other Origins
#[test]
fn cors_options_ping_check() {
let client = Client::new(rocket()).unwrap();
let origin_header =
Header::from(hyper::header::Origin::from_str("https://www.example.com").unwrap());
let method_header = Header::from(hyper::header::AccessControlRequestMethod(
hyper::method::Method::Get,
));
let req = client
.options("/ping")
.header(origin_header)
.header(method_header);
let response = req.dispatch();
assert!(response.status().class().is_success());
let origin_header = response
.headers()
.get_one("Access-Control-Allow-Origin")
.expect("to exist");
assert_eq!("https://www.example.com", origin_header);
}
/// Tests that the `ping` route accepts other Origins
#[test]
fn cors_get_ping_check() {
let client = Client::new(rocket()).unwrap();
let origin_header =
Header::from(hyper::header::Origin::from_str("https://www.example.com").unwrap());
let req = client.get("/ping").header(origin_header);
let mut response = req.dispatch();
assert!(response.status().class().is_success());
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let body_str = response.body().and_then(Body::into_string);
assert_eq!(body_str, Some("Pong!".to_string()));
let origin_header = response
.headers()
.get_one("Access-Control-Allow-Origin")
.expect("to exist");
assert_eq!("https://www.example.com", origin_header);
}