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Merge pull request #1891 from LemmyNet/remove-apub-accept-guard

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Remove header guard for activitypub routes
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Dessalines 2021-11-10 09:38:50 -05:00 committed by GitHub
commit 8a108bccae
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2 changed files with 56 additions and 54 deletions
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98
crates/apub/src/http/routes.rs
View file

@ -12,63 +12,65 @@ use crate::http::{
post::get_apub_post,
shared_inbox,
};
use actix_web::*;
use actix_web::{dev::RequestHead, guard::Guard, http::Method, *};
use http_signature_normalization_actix::digest::middleware::VerifyDigest;
use lemmy_apub_lib::APUB_JSON_CONTENT_TYPE;
use lemmy_utils::settings::structs::Settings;
use sha2::{Digest, Sha256};
static APUB_JSON_CONTENT_TYPE_LONG: &str =
"application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\"";
pub fn config(cfg: &mut web::ServiceConfig, settings: &Settings) {
if settings.federation.enabled {
println!("federation enabled, host is {}", settings.hostname);
let digest_verifier = VerifyDigest::new(Sha256::new());
let header_guard_accept = guard::Any(guard::Header("Accept", APUB_JSON_CONTENT_TYPE))
.or(guard::Header("Accept", APUB_JSON_CONTENT_TYPE_LONG));
let header_guard_content_type =
guard::Any(guard::Header("Content-Type", APUB_JSON_CONTENT_TYPE))
.or(guard::Header("Content-Type", APUB_JSON_CONTENT_TYPE_LONG));
cfg
.service(
web::scope("")
.guard(header_guard_accept)
.route(
"/c/{community_name}",
web::get().to(get_apub_community_http),
)
.route(
"/c/{community_name}/followers",
web::get().to(get_apub_community_followers),
)
.route(
"/c/{community_name}/outbox",
web::get().to(get_apub_community_outbox),
)
.route(
"/c/{community_name}/moderators",
web::get().to(get_apub_community_moderators),
)
.route("/u/{user_name}", web::get().to(get_apub_person_http))
.route(
"/u/{user_name}/outbox",
web::get().to(get_apub_person_outbox),
)
.route("/post/{post_id}", web::get().to(get_apub_post))
.route("/comment/{comment_id}", web::get().to(get_apub_comment))
.route("/activities/{type_}/{id}", web::get().to(get_activity)),
.route(
"/c/{community_name}",
web::get().to(get_apub_community_http),
)
// Inboxes dont work with the header guard for some reason.
.service(
web::scope("")
.wrap(digest_verifier)
.guard(header_guard_content_type)
.route("/c/{community_name}/inbox", web::post().to(community_inbox))
.route("/u/{user_name}/inbox", web::post().to(person_inbox))
.route("/inbox", web::post().to(shared_inbox)),
);
.route(
"/c/{community_name}/followers",
web::get().to(get_apub_community_followers),
)
.route(
"/c/{community_name}/outbox",
web::get().to(get_apub_community_outbox),
)
.route(
"/c/{community_name}/moderators",
web::get().to(get_apub_community_moderators),
)
.route("/u/{user_name}", web::get().to(get_apub_person_http))
.route(
"/u/{user_name}/outbox",
web::get().to(get_apub_person_outbox),
)
.route("/post/{post_id}", web::get().to(get_apub_post))
.route("/comment/{comment_id}", web::get().to(get_apub_comment))
.route("/activities/{type_}/{id}", web::get().to(get_activity));
cfg.service(
web::scope("")
.wrap(VerifyDigest::new(Sha256::new()))
.guard(InboxRequestGuard)
.route("/c/{community_name}/inbox", web::post().to(community_inbox))
.route("/u/{user_name}/inbox", web::post().to(person_inbox))
.route("/inbox", web::post().to(shared_inbox)),
);
}
}
/// Without this, things like webfinger or RSS feeds stop working, as all requests seem to get
/// routed into the inbox service (because it covers the root path). So we filter out anything that
/// definitely can't be an inbox request (based on Accept header and request method).
struct InboxRequestGuard;
impl Guard for InboxRequestGuard {
fn check(&self, request: &RequestHead) -> bool {
if request.method != Method::POST {
return false;
}
if let Some(val) = request.headers.get("Content-Type") {
return val.to_str().unwrap().starts_with("application/");
}
false
}
}

12
crates/routes/src/webfinger.rs
View file

@ -1,9 +1,9 @@
use actix_web::{error::ErrorBadRequest, web::Query, *};
use actix_web::{web, web::Query, HttpResponse};
use anyhow::anyhow;
use lemmy_api_common::blocking;
use lemmy_apub_lib::webfinger::{WebfingerLink, WebfingerResponse};
use lemmy_db_schema::source::{community::Community, person::Person};
use lemmy_utils::{settings::structs::Settings, LemmyError};
use lemmy_utils::{settings::structs::Settings, ApiError, LemmyError};
use lemmy_websocket::LemmyContext;
use serde::Deserialize;
@ -30,7 +30,7 @@ pub fn config(cfg: &mut web::ServiceConfig, settings: &Settings) {
async fn get_webfinger_response(
info: Query<Params>,
context: web::Data<LemmyContext>,
) -> Result<HttpResponse, Error> {
) -> Result<HttpResponse, LemmyError> {
let community_regex_parsed = context
.settings()
.webfinger_community_regex()
@ -52,7 +52,7 @@ async fn get_webfinger_response(
Community::read_from_name(conn, &community_name)
})
.await?
.map_err(|_| ErrorBadRequest(LemmyError::from(anyhow!("not_found"))))?
.map_err(|e| ApiError::err("not_found", e))?
.actor_id
} else if let Some(person_name) = username_regex_parsed {
let person_name = person_name.as_str().to_owned();
@ -61,10 +61,10 @@ async fn get_webfinger_response(
Person::find_by_name(conn, &person_name)
})
.await?
.map_err(|_| ErrorBadRequest(LemmyError::from(anyhow!("not_found"))))?
.map_err(|e| ApiError::err("not_found", e))?
.actor_id
} else {
return Err(ErrorBadRequest(LemmyError::from(anyhow!("not_found"))));
return Err(LemmyError::from(anyhow!("not_found")));
};
let json = WebfingerResponse {