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Put OPTIONS handler into dedicated function

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Lennart
2025-05-10 11:37:28 +02:00
parent de6ccdc37b
commit d14ded7179
2 changed files with 109 additions and 75 deletions
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52
crates/carddav/src/lib.rs
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@@ -1,5 +1,6 @@
use actix_web::{
HttpResponse,
body::BoxBody,
dev::{HttpServiceFactory, ServiceResponse},
http::{
Method, StatusCode,
@@ -25,6 +26,32 @@ pub mod addressbook;
pub mod error;
pub mod principal;
/// Quite a janky implementation but the default METHOD_NOT_ALLOWED response gives us the allowed
/// methods of a resource
fn options_handler() -> ErrorHandlers<BoxBody> {
ErrorHandlers::new().handler(StatusCode::METHOD_NOT_ALLOWED, |res| {
Ok(ErrorHandlerResponse::Response(
if res.request().method() == Method::OPTIONS {
let mut response = HttpResponse::Ok();
response.insert_header((
HeaderName::from_static("dav"),
// https://datatracker.ietf.org/doc/html/rfc4918#section-18
HeaderValue::from_static(
"1, 3, access-control, addressbook, extended-mkcol, webdav-push",
),
));
if let Some(allow) = res.headers().get(header::ALLOW) {
response.insert_header((header::ALLOW, allow.to_owned()));
}
ServiceResponse::new(res.into_parts().0, response.finish()).map_into_right_body()
} else {
res.map_into_left_body()
},
))
})
}
pub fn carddav_service<AP: AuthenticationProvider, A: AddressbookStore, S: SubscriptionStore>(
auth_provider: Arc<AP>,
store: Arc<A>,
@@ -32,30 +59,7 @@ pub fn carddav_service<AP: AuthenticationProvider, A: AddressbookStore, S: Subsc
) -> impl HttpServiceFactory {
web::scope("")
.wrap(AuthenticationMiddleware::new(auth_provider.clone()))
.wrap(
ErrorHandlers::new().handler(StatusCode::METHOD_NOT_ALLOWED, |res| {
Ok(ErrorHandlerResponse::Response(
if res.request().method() == Method::OPTIONS {
let mut response = HttpResponse::Ok();
response.insert_header((
HeaderName::from_static("dav"),
// https://datatracker.ietf.org/doc/html/rfc4918#section-18
HeaderValue::from_static(
"1, 3, access-control, addressbook, extended-mkcol, webdav-push",
),
));
if let Some(allow) = res.headers().get(header::ALLOW) {
response.insert_header((header::ALLOW, allow.to_owned()));
}
ServiceResponse::new(res.into_parts().0, response.finish())
.map_into_right_body()
} else {
res.map_into_left_body()
},
))
}),
)
.wrap(options_handler())
.app_data(Data::from(store.clone()))
.app_data(Data::from(subscription_store))
.service(RootResourceService::<PrincipalResource, User>::default().actix_resource())