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Implement webfinger (fixes #149)
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parent
f7333705dc
commit
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7 changed files with 94 additions and 13 deletions
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@ -68,6 +68,10 @@ impl Community {
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.filter(name.eq(community_name))
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.first::<Self>(conn)
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}
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pub fn get_community_url(community_name: &str) -> String {
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format!("https://{}/c/{}", Settings::get().hostname, community_name)
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}
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}
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#[derive(Identifiable, Queryable, Associations, PartialEq, Debug)]
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@ -132,23 +132,27 @@ impl User_ {
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.unwrap()
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}
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pub fn find_by_username(conn: &PgConnection, username: &str) -> Result<Self, Error> {
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user_.filter(name.eq(username)).first::<User_>(conn)
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}
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pub fn find_by_email(conn: &PgConnection, from_email: &str) -> Result<Self, Error> {
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user_.filter(email.eq(from_email)).first::<User_>(conn)
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}
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pub fn find_by_email_or_username(
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conn: &PgConnection,
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username_or_email: &str,
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) -> Result<Self, Error> {
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if is_email_regex(username_or_email) {
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user_
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.filter(email.eq(username_or_email))
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.first::<User_>(conn)
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User_::find_by_email(conn, username_or_email)
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} else {
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user_
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.filter(name.eq(username_or_email))
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.first::<User_>(conn)
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User_::find_by_username(conn, username_or_email)
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}
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}
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pub fn find_by_email(conn: &PgConnection, from_email: &str) -> Result<Self, Error> {
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user_.filter(email.eq(from_email)).first::<User_>(conn)
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pub fn get_user_profile_url(username: &str) -> String {
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format!("https://{}/u/{}", Settings::get().hostname, username)
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}
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pub fn find_by_jwt(conn: &PgConnection, jwt: &str) -> Result<Self, Error> {
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@ -110,8 +110,8 @@ fn get_feed_user(sort_type: &SortType, user_name: String) -> Result<String, Erro
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let conn = establish_connection();
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let site_view = SiteView::read(&conn)?;
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let user = User_::find_by_email_or_username(&conn, &user_name)?;
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let user_url = format!("https://{}/u/{}", Settings::get().hostname, user.name);
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let user = User_::find_by_username(&conn, &user_name)?;
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let user_url = User_::get_user_profile_url(&user_name);
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let posts = PostQueryBuilder::create(&conn)
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.listing_type(ListingType::All)
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@ -135,7 +135,7 @@ fn get_feed_community(sort_type: &SortType, community_name: String) -> Result<St
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let site_view = SiteView::read(&conn)?;
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let community = Community::read_from_name(&conn, community_name)?;
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let community_url = format!("https://{}/c/{}", Settings::get().hostname, community.name);
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let community_url = Community::get_community_url(&community.name);
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let posts = PostQueryBuilder::create(&conn)
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.listing_type(ListingType::All)
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@ -30,6 +30,7 @@ pub mod nodeinfo;
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pub mod schema;
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pub mod settings;
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pub mod version;
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pub mod webfinger;
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pub mod websocket;
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use crate::settings::Settings;
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@ -11,6 +11,7 @@ use lemmy_server::db::establish_connection;
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use lemmy_server::feeds;
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use lemmy_server::nodeinfo;
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use lemmy_server::settings::Settings;
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use lemmy_server::webfinger;
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use lemmy_server::websocket::server::*;
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use std::env;
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use std::time::{Duration, Instant};
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@ -255,7 +256,10 @@ fn main() {
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)
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.route(
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"/federation/u/{user_name}",
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web::get().to(apub::user::get_apub_user),
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web::get().to(apub::user::get_apub_user))
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.route(
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".well-known/webfinger",
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web::get().to(webfinger::get_webfinger_response),
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)
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})
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.bind((settings.bind, settings.port))
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@ -56,7 +56,6 @@ lazy_static! {
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}
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impl Settings {
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/// Reads config from the files and environment.
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/// First, defaults are loaded from CONFIG_FILE_DEFAULTS, then these values can be overwritten
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/// from CONFIG_FILE (optional). Finally, values from the environment (with prefix LEMMY) are
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69
server/src/webfinger.rs
Normal file
69
server/src/webfinger.rs
Normal file
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@ -0,0 +1,69 @@
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use crate::db::community::Community;
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use crate::db::establish_connection;
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use crate::Settings;
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use actix_web::body::Body;
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use actix_web::web::Query;
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use actix_web::HttpResponse;
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use serde::Deserialize;
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use serde_json::json;
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#[derive(Deserialize)]
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pub struct Params {
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resource: String,
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}
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/// Responds to webfinger requests of the following format. There isn't any real documentation for
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/// this, but it described in this blog post:
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/// https://mastodon.social/.well-known/webfinger?resource=acct:gargron@mastodon.social
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///
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/// You can also view the webfinger response that Mastodon sends:
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/// https://radical.town/.well-known/webfinger?resource=acct:felix@radical.town
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pub fn get_webfinger_response(info: Query<Params>) -> HttpResponse<Body> {
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// NOTE: Calling the parameter "account" maybe doesn't really make sense, but should give us the
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// best compatibility with existing implementations. We could also support an alternative name
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// like "group", and encourage others to use that.
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let community_identifier = info.resource.replace("acct:", "");
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let split_identifier: Vec<&str> = community_identifier.split("@").collect();
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let community_name = split_identifier[0];
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// It looks like Mastodon does not return webfinger requests for users from other instances, so we
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// don't do that either.
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if split_identifier.len() != 2 || split_identifier[1] != Settings::get().hostname {
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return HttpResponse::NotFound().finish();
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}
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// Make sure the requested community exists.
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let conn = establish_connection();
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match Community::read_from_name(&conn, community_name.to_owned()) {
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Err(_) => return HttpResponse::NotFound().finish(),
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Ok(c) => c,
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};
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let community_url = Community::get_community_url(&community_name);
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let json = json!({
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"subject": info.resource,
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"aliases": [
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community_url,
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],
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"links": [
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{
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"rel": "http://webfinger.net/rel/profile-page",
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"type": "text/html",
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"href": community_url
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},
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{
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"rel": "self",
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"type": "application/activity+json",
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"href": community_url // Yes this is correct, this link doesn't include the `.json` extension
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}
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// TODO: this also needs to return the subscribe link once that's implemented
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//{
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// "rel": "http://ostatus.org/schema/1.0/subscribe",
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// "template": "https://my_instance.com/authorize_interaction?uri={uri}"
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//}
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]
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});
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return HttpResponse::Ok()
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.content_type("application/activity+json")
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.body(json.to_string());
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}
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