-use actix_web::{error::ErrorBadRequest, web::Query, *};
-use anyhow::anyhow;
-use lemmy_api_structs::{blocking, WebFingerLink, WebFingerResponse};
-use lemmy_db_queries::source::{community::Community_, user::User};
-use lemmy_db_schema::source::{community::Community, user::User_};
-use lemmy_utils::{
- settings::Settings,
- LemmyError,
- WEBFINGER_COMMUNITY_REGEX,
- WEBFINGER_USER_REGEX,
+use actix_web::{web, web::Query, HttpResponse};
+use anyhow::Context;
+use lemmy_api_common::utils::blocking;
+use lemmy_apub::fetcher::webfinger::{WebfingerLink, WebfingerResponse};
+use lemmy_db_schema::{
+ source::{community::Community, person::Person},
+ traits::ApubActor,
};
+use lemmy_utils::{error::LemmyError, location_info};
use lemmy_websocket::LemmyContext;
use serde::Deserialize;
+use url::Url;
#[derive(Deserialize)]
struct Params {
}
pub fn config(cfg: &mut web::ServiceConfig) {
- if Settings::get().federation.enabled {
- cfg.route(
- ".well-known/webfinger",
- web::get().to(get_webfinger_response),
- );
- }
+ cfg.route(
+ ".well-known/webfinger",
+ web::get().to(get_webfinger_response),
+ );
}
/// Responds to webfinger requests of the following format. There isn't any real documentation for
async fn get_webfinger_response(
info: Query<Params>,
context: web::Data<LemmyContext>,
-) -> Result<HttpResponse, Error> {
- let community_regex_parsed = WEBFINGER_COMMUNITY_REGEX
+) -> Result<HttpResponse, LemmyError> {
+ let name = context
+ .settings()
+ .webfinger_regex()
.captures(&info.resource)
- .map(|c| c.get(1))
- .flatten();
+ .and_then(|c| c.get(1))
+ .context(location_info!())?
+ .as_str()
+ .to_string();
- let user_regex_parsed = WEBFINGER_USER_REGEX
- .captures(&info.resource)
- .map(|c| c.get(1))
- .flatten();
+ let name_ = name.clone();
+ let user_id: Option<Url> = blocking(context.pool(), move |conn| {
+ Person::read_from_name(conn, &name_, false)
+ })
+ .await?
+ .ok()
+ .map(|c| c.actor_id.into());
+ let community_id: Option<Url> = blocking(context.pool(), move |conn| {
+ Community::read_from_name(conn, &name, false)
+ })
+ .await?
+ .ok()
+ .map(|c| c.actor_id.into());
- let url = if let Some(community_name) = community_regex_parsed {
- let community_name = community_name.as_str().to_owned();
- // Make sure the requested community exists.
- blocking(context.pool(), move |conn| {
- Community::read_from_name(conn, &community_name)
- })
- .await?
- .map_err(|_| ErrorBadRequest(LemmyError::from(anyhow!("not_found"))))?
- .actor_id
- } else if let Some(user_name) = user_regex_parsed {
- let user_name = user_name.as_str().to_owned();
- // Make sure the requested user exists.
- blocking(context.pool(), move |conn| {
- User_::read_from_name(conn, &user_name)
- })
- .await?
- .map_err(|_| ErrorBadRequest(LemmyError::from(anyhow!("not_found"))))?
- .actor_id
- } else {
- return Err(ErrorBadRequest(LemmyError::from(anyhow!("not_found"))));
- };
+ // Mastodon seems to prioritize the last webfinger item in case of duplicates. Put
+ // community last so that it gets prioritized. For Lemmy the order doesnt matter.
+ let links = vec![
+ webfinger_link_for_actor(user_id),
+ webfinger_link_for_actor(community_id),
+ ]
+ .into_iter()
+ .flatten()
+ .collect();
- let json = WebFingerResponse {
+ let json = WebfingerResponse {
subject: info.resource.to_owned(),
- aliases: vec![url.to_owned().into()],
- links: vec![
- WebFingerLink {
- rel: Some("http://webfinger.net/rel/profile-page".to_string()),
- type_: Some("text/html".to_string()),
- href: Some(url.to_owned().into()),
- template: None,
- },
- WebFingerLink {
- rel: Some("self".to_string()),
- type_: Some("application/activity+json".to_string()),
- href: Some(url.into()),
- template: None,
- }, // TODO: this also needs to return the subscribe link once that's implemented
- //{
- // "rel": "http://ostatus.org/schema/1.0/subscribe",
- // "template": "https://my_instance.com/authorize_interaction?uri={uri}"
- //}
- ],
+ links,
};
Ok(HttpResponse::Ok().json(json))
}
+
+fn webfinger_link_for_actor(url: Option<Url>) -> Vec<WebfingerLink> {
+ if let Some(url) = url {
+ vec![
+ WebfingerLink {
+ rel: Some("http://webfinger.net/rel/profile-page".to_string()),
+ kind: Some("text/html".to_string()),
+ href: Some(url.to_owned()),
+ },
+ WebfingerLink {
+ rel: Some("self".to_string()),
+ kind: Some("application/activity+json".to_string()),
+ href: Some(url),
+ },
+ ]
+ } else {
+ vec![]
+ }
+}