3 activities::generate_activity_id,
4 activity_queue::send_activity,
7 fetcher::get_or_fetch_and_upsert_actor,
17 use activitystreams::{
19 kind::{FollowType, UndoType},
23 actor::{ApActor, Endpoints, Person},
24 object::{Image, Tombstone},
27 use activitystreams_ext::Ext1;
28 use actix_web::{body::Body, web, HttpResponse};
30 use lemmy_api_structs::blocking;
33 user::{UserForm, User_},
37 utils::{check_slurs, check_slurs_opt, convert_datetime},
40 use serde::Deserialize;
43 #[derive(Deserialize)]
44 pub struct UserQuery {
48 #[async_trait::async_trait(?Send)]
49 impl ToApub for User_ {
50 type Response = PersonExt;
52 // Turn a Lemmy Community into an ActivityPub group that can be sent out over the network.
53 async fn to_apub(&self, _pool: &DbPool) -> Result<PersonExt, LemmyError> {
54 // TODO go through all these to_string and to_owned()
55 let mut person = Person::new();
57 .set_context(activitystreams::context())
58 .set_id(Url::parse(&self.actor_id)?)
59 .set_name(self.name.to_owned())
60 .set_published(convert_datetime(self.published));
62 if let Some(u) = self.updated {
63 person.set_updated(convert_datetime(u));
66 if let Some(avatar_url) = &self.avatar {
67 let mut image = Image::new();
68 image.set_url(avatar_url.to_owned());
69 person.set_icon(image.into_any_base()?);
72 if let Some(banner_url) = &self.banner {
73 let mut image = Image::new();
74 image.set_url(banner_url.to_owned());
75 person.set_image(image.into_any_base()?);
78 if let Some(bio) = &self.bio {
79 person.set_summary(bio.to_owned());
82 let mut ap_actor = ApActor::new(self.get_inbox_url()?, person);
84 .set_outbox(self.get_outbox_url()?)
85 .set_followers(self.get_followers_url()?)
86 .set_following(self.get_following_url().parse()?)
87 .set_liked(self.get_liked_url().parse()?)
88 .set_endpoints(Endpoints {
89 shared_inbox: Some(self.get_shared_inbox_url()?),
93 if let Some(i) = &self.preferred_username {
94 ap_actor.set_preferred_username(i.to_owned());
97 Ok(Ext1::new(ap_actor, self.get_public_key_ext()?))
99 fn to_tombstone(&self) -> Result<Tombstone, LemmyError> {
104 #[async_trait::async_trait(?Send)]
105 impl ActorType for User_ {
106 fn actor_id_str(&self) -> String {
107 self.actor_id.to_owned()
110 fn public_key(&self) -> Option<String> {
111 self.public_key.to_owned()
114 fn private_key(&self) -> Option<String> {
115 self.private_key.to_owned()
118 /// As a given local user, send out a follow request to a remote community.
119 async fn send_follow(
121 follow_actor_id: &Url,
122 context: &LemmyContext,
123 ) -> Result<(), LemmyError> {
124 let mut follow = Follow::new(self.actor_id.to_owned(), follow_actor_id.as_str());
126 .set_context(activitystreams::context())
127 .set_id(generate_activity_id(FollowType::Follow)?);
128 let follow_actor = get_or_fetch_and_upsert_actor(follow_actor_id, context).await?;
129 let to = follow_actor.get_inbox_url()?;
131 insert_activity(self.id, follow.clone(), true, context.pool()).await?;
133 send_activity(context.activity_queue(), follow, self, vec![to])?;
137 async fn send_unfollow(
139 follow_actor_id: &Url,
140 context: &LemmyContext,
141 ) -> Result<(), LemmyError> {
142 let mut follow = Follow::new(self.actor_id.to_owned(), follow_actor_id.as_str());
144 .set_context(activitystreams::context())
145 .set_id(generate_activity_id(FollowType::Follow)?);
146 let follow_actor = get_or_fetch_and_upsert_actor(follow_actor_id, context).await?;
148 let to = follow_actor.get_inbox_url()?;
150 // Undo that fake activity
151 let mut undo = Undo::new(Url::parse(&self.actor_id)?, follow.into_any_base()?);
153 .set_context(activitystreams::context())
154 .set_id(generate_activity_id(UndoType::Undo)?);
156 insert_activity(self.id, undo.clone(), true, context.pool()).await?;
158 send_activity(context.activity_queue(), undo, self, vec![to])?;
162 async fn send_delete(&self, _creator: &User_, _context: &LemmyContext) -> Result<(), LemmyError> {
166 async fn send_undo_delete(
169 _context: &LemmyContext,
170 ) -> Result<(), LemmyError> {
174 async fn send_remove(&self, _creator: &User_, _context: &LemmyContext) -> Result<(), LemmyError> {
178 async fn send_undo_remove(
181 _context: &LemmyContext,
182 ) -> Result<(), LemmyError> {
186 async fn send_accept_follow(
189 _context: &LemmyContext,
190 ) -> Result<(), LemmyError> {
194 async fn get_follower_inboxes(&self, _pool: &DbPool) -> Result<Vec<Url>, LemmyError> {
198 fn user_id(&self) -> i32 {
203 #[async_trait::async_trait(?Send)]
204 impl FromApub for UserForm {
205 type ApubType = PersonExt;
206 /// Parse an ActivityPub person received from another instance into a Lemmy user.
209 _context: &LemmyContext,
210 expected_domain: Option<Url>,
211 ) -> Result<Self, LemmyError> {
212 let avatar = match person.icon() {
213 Some(any_image) => Some(
214 Image::from_any_base(any_image.as_one().context(location_info!())?.clone())?
215 .context(location_info!())?
217 .context(location_info!())?
218 .as_single_xsd_any_uri()
219 .map(|u| u.to_string()),
224 let banner = match person.image() {
225 Some(any_image) => Some(
226 Image::from_any_base(any_image.as_one().context(location_info!())?.clone())
227 .context(location_info!())?
228 .context(location_info!())?
230 .context(location_info!())?
231 .as_single_xsd_any_uri()
232 .map(|u| u.to_string()),
239 .context(location_info!())?
241 .context(location_info!())?
243 .context(location_info!())?
245 let preferred_username = person.inner.preferred_username().map(|u| u.to_string());
249 .map(|s| s.as_single_xsd_string())
251 .map(|s| s.to_string());
253 check_slurs_opt(&preferred_username)?;
254 check_slurs_opt(&bio)?;
259 password_encrypted: "".to_string(),
265 updated: person.updated().map(|u| u.to_owned().naive_local()),
267 theme: "".to_string(),
268 default_sort_type: 0,
269 default_listing_type: 0,
270 lang: "".to_string(),
272 send_notifications_to_email: false,
273 matrix_user_id: None,
274 actor_id: Some(check_actor_domain(person, expected_domain)?),
278 public_key: Some(person.ext_one.public_key.to_owned().public_key_pem),
279 last_refreshed_at: Some(naive_now()),
284 /// Return the user json over HTTP.
285 pub async fn get_apub_user_http(
286 info: web::Path<UserQuery>,
287 context: web::Data<LemmyContext>,
288 ) -> Result<HttpResponse<Body>, LemmyError> {
289 let user_name = info.into_inner().user_name;
290 let user = blocking(context.pool(), move |conn| {
291 User_::find_by_email_or_username(conn, &user_name)
294 let u = user.to_apub(context.pool()).await?;
295 Ok(create_apub_response(&u))