2 activities::generate_activity_id,
3 activity_queue::send_activity,
6 fetcher::get_or_fetch_and_upsert_actor,
13 use activitystreams::{
15 kind::{FollowType, UndoType},
19 actor::{ApActor, Endpoints, Person},
20 object::{Image, Tombstone},
23 use activitystreams_ext::Ext1;
24 use actix_web::{body::Body, web, HttpResponse};
28 user::{UserForm, User_},
31 use lemmy_structs::blocking;
34 utils::{check_slurs, check_slurs_opt, convert_datetime},
37 use lemmy_websocket::LemmyContext;
38 use serde::Deserialize;
41 #[derive(Deserialize)]
42 pub struct UserQuery {
46 #[async_trait::async_trait(?Send)]
47 impl ToApub for User_ {
48 type Response = PersonExt;
50 // Turn a Lemmy Community into an ActivityPub group that can be sent out over the network.
51 async fn to_apub(&self, _pool: &DbPool) -> Result<PersonExt, LemmyError> {
52 // TODO go through all these to_string and to_owned()
53 let mut person = Person::new();
55 .set_context(activitystreams::context())
56 .set_id(Url::parse(&self.actor_id)?)
57 .set_name(self.name.to_owned())
58 .set_published(convert_datetime(self.published));
60 if let Some(u) = self.updated {
61 person.set_updated(convert_datetime(u));
64 if let Some(avatar_url) = &self.avatar {
65 let mut image = Image::new();
66 image.set_url(avatar_url.to_owned());
67 person.set_icon(image.into_any_base()?);
70 if let Some(banner_url) = &self.banner {
71 let mut image = Image::new();
72 image.set_url(banner_url.to_owned());
73 person.set_image(image.into_any_base()?);
76 if let Some(bio) = &self.bio {
77 person.set_summary(bio.to_owned());
80 let mut ap_actor = ApActor::new(self.get_inbox_url()?, person);
82 .set_outbox(self.get_outbox_url()?)
83 .set_followers(self.get_followers_url()?)
84 .set_following(self.get_following_url().parse()?)
85 .set_liked(self.get_liked_url().parse()?)
86 .set_endpoints(Endpoints {
87 shared_inbox: Some(self.get_shared_inbox_url()?),
91 if let Some(i) = &self.preferred_username {
92 ap_actor.set_preferred_username(i.to_owned());
95 Ok(Ext1::new(ap_actor, self.get_public_key_ext()?))
97 fn to_tombstone(&self) -> Result<Tombstone, LemmyError> {
102 #[async_trait::async_trait(?Send)]
103 impl ActorType for User_ {
104 fn actor_id_str(&self) -> String {
105 self.actor_id.to_owned()
108 fn public_key(&self) -> Option<String> {
109 self.public_key.to_owned()
112 fn private_key(&self) -> Option<String> {
113 self.private_key.to_owned()
116 /// As a given local user, send out a follow request to a remote community.
117 async fn send_follow(
119 follow_actor_id: &Url,
120 context: &LemmyContext,
121 ) -> Result<(), LemmyError> {
122 let mut follow = Follow::new(self.actor_id.to_owned(), follow_actor_id.as_str());
124 .set_context(activitystreams::context())
125 .set_id(generate_activity_id(FollowType::Follow)?);
126 let follow_actor = get_or_fetch_and_upsert_actor(follow_actor_id, context).await?;
127 let to = follow_actor.get_inbox_url()?;
129 insert_activity(self.id, follow.clone(), true, context.pool()).await?;
131 send_activity(context.activity_queue(), follow, self, vec![to])?;
135 async fn send_unfollow(
137 follow_actor_id: &Url,
138 context: &LemmyContext,
139 ) -> Result<(), LemmyError> {
140 let mut follow = Follow::new(self.actor_id.to_owned(), follow_actor_id.as_str());
142 .set_context(activitystreams::context())
143 .set_id(generate_activity_id(FollowType::Follow)?);
144 let follow_actor = get_or_fetch_and_upsert_actor(follow_actor_id, context).await?;
146 let to = follow_actor.get_inbox_url()?;
148 // Undo that fake activity
149 let mut undo = Undo::new(Url::parse(&self.actor_id)?, follow.into_any_base()?);
151 .set_context(activitystreams::context())
152 .set_id(generate_activity_id(UndoType::Undo)?);
154 insert_activity(self.id, undo.clone(), true, context.pool()).await?;
156 send_activity(context.activity_queue(), undo, self, vec![to])?;
160 async fn send_delete(&self, _creator: &User_, _context: &LemmyContext) -> Result<(), LemmyError> {
164 async fn send_undo_delete(
167 _context: &LemmyContext,
168 ) -> Result<(), LemmyError> {
172 async fn send_remove(&self, _creator: &User_, _context: &LemmyContext) -> Result<(), LemmyError> {
176 async fn send_undo_remove(
179 _context: &LemmyContext,
180 ) -> Result<(), LemmyError> {
184 async fn send_accept_follow(
187 _context: &LemmyContext,
188 ) -> Result<(), LemmyError> {
192 async fn get_follower_inboxes(&self, _pool: &DbPool) -> Result<Vec<Url>, LemmyError> {
196 fn user_id(&self) -> i32 {
201 #[async_trait::async_trait(?Send)]
202 impl FromApub for UserForm {
203 type ApubType = PersonExt;
204 /// Parse an ActivityPub person received from another instance into a Lemmy user.
207 _context: &LemmyContext,
208 expected_domain: Option<Url>,
209 ) -> Result<Self, LemmyError> {
210 let avatar = match person.icon() {
211 Some(any_image) => Some(
212 Image::from_any_base(any_image.as_one().context(location_info!())?.clone())?
213 .context(location_info!())?
215 .context(location_info!())?
216 .as_single_xsd_any_uri()
217 .map(|u| u.to_string()),
222 let banner = match person.image() {
223 Some(any_image) => Some(
224 Image::from_any_base(any_image.as_one().context(location_info!())?.clone())
225 .context(location_info!())?
226 .context(location_info!())?
228 .context(location_info!())?
229 .as_single_xsd_any_uri()
230 .map(|u| u.to_string()),
237 .context(location_info!())?
239 .context(location_info!())?
241 .context(location_info!())?
243 let preferred_username = person.inner.preferred_username().map(|u| u.to_string());
247 .map(|s| s.as_single_xsd_string())
249 .map(|s| s.to_string());
251 check_slurs_opt(&preferred_username)?;
252 check_slurs_opt(&bio)?;
257 password_encrypted: "".to_string(),
263 published: person.inner.published().map(|u| u.to_owned().naive_local()),
264 updated: person.updated().map(|u| u.to_owned().naive_local()),
266 theme: "".to_string(),
267 default_sort_type: 0,
268 default_listing_type: 0,
269 lang: "".to_string(),
271 send_notifications_to_email: false,
272 matrix_user_id: None,
273 actor_id: Some(check_actor_domain(person, expected_domain)?),
277 public_key: Some(person.ext_one.public_key.to_owned().public_key_pem),
278 last_refreshed_at: Some(naive_now()),
283 /// Return the user json over HTTP.
284 pub async fn get_apub_user_http(
285 info: web::Path<UserQuery>,
286 context: web::Data<LemmyContext>,
287 ) -> Result<HttpResponse<Body>, LemmyError> {
288 let user_name = info.into_inner().user_name;
289 let user = blocking(context.pool(), move |conn| {
290 User_::find_by_email_or_username(conn, &user_name)
293 let u = user.to_apub(context.pool()).await?;
294 Ok(create_apub_response(&u))