2 activities::{verify_is_public, verify_person_in_community},
3 check_is_apub_id_valid,
4 mentions::collect_non_local_mentions,
7 note::{Note, SourceCompat},
14 use activitystreams_kinds::{object::NoteType, public};
15 use chrono::NaiveDateTime;
16 use html2md::parse_html;
17 use lemmy_api_common::blocking;
21 values::{MediaTypeHtml, MediaTypeMarkdown},
22 verify::verify_domains_match,
24 use lemmy_db_schema::{
26 comment::{Comment, CommentForm},
34 utils::{convert_datetime, markdown_to_html, remove_slurs},
37 use lemmy_websocket::LemmyContext;
41 #[derive(Clone, Debug)]
42 pub struct ApubComment(Comment);
44 impl Deref for ApubComment {
45 type Target = Comment;
46 fn deref(&self) -> &Self::Target {
51 impl From<Comment> for ApubComment {
52 fn from(c: Comment) -> Self {
57 #[async_trait::async_trait(?Send)]
58 impl ApubObject for ApubComment {
59 type DataType = LemmyContext;
61 type TombstoneType = Tombstone;
63 fn last_refreshed_at(&self) -> Option<NaiveDateTime> {
67 #[tracing::instrument(skip_all)]
68 async fn read_from_apub_id(
70 context: &LemmyContext,
71 ) -> Result<Option<Self>, LemmyError> {
73 blocking(context.pool(), move |conn| {
74 Comment::read_from_apub_id(conn, object_id)
81 #[tracing::instrument(skip_all)]
82 async fn delete(self, context: &LemmyContext) -> Result<(), LemmyError> {
84 blocking(context.pool(), move |conn| {
85 Comment::update_deleted(conn, self.id, true)
92 #[tracing::instrument(skip_all)]
93 async fn into_apub(self, context: &LemmyContext) -> Result<Note, LemmyError> {
94 let creator_id = self.creator_id;
95 let creator = blocking(context.pool(), move |conn| Person::read(conn, creator_id)).await??;
97 let post_id = self.post_id;
98 let post = blocking(context.pool(), move |conn| Post::read(conn, post_id)).await??;
99 let community_id = post.community_id;
100 let community = blocking(context.pool(), move |conn| {
101 Community::read(conn, community_id)
105 let in_reply_to = if let Some(comment_id) = self.parent_id {
107 blocking(context.pool(), move |conn| Comment::read(conn, comment_id)).await??;
108 ObjectId::<PostOrComment>::new(parent_comment.ap_id)
110 ObjectId::<PostOrComment>::new(post.ap_id)
113 collect_non_local_mentions(&self, ObjectId::new(community.actor_id), context, &mut 0).await?;
116 r#type: NoteType::Note,
117 id: ObjectId::new(self.ap_id.clone()),
118 attributed_to: ObjectId::new(creator.actor_id),
121 content: markdown_to_html(&self.content),
122 media_type: Some(MediaTypeHtml::Html),
123 source: SourceCompat::Lemmy(Source {
124 content: self.content.clone(),
125 media_type: MediaTypeMarkdown::Markdown,
128 published: Some(convert_datetime(self.published)),
129 updated: self.updated.map(convert_datetime),
131 unparsed: Default::default(),
137 fn to_tombstone(&self) -> Result<Tombstone, LemmyError> {
138 Ok(Tombstone::new(self.ap_id.clone().into()))
141 #[tracing::instrument(skip_all)]
144 expected_domain: &Url,
145 context: &LemmyContext,
146 request_counter: &mut i32,
147 ) -> Result<(), LemmyError> {
148 verify_domains_match(note.id.inner(), expected_domain)?;
149 verify_domains_match(note.attributed_to.inner(), note.id.inner())?;
150 verify_is_public(¬e.to, ¬e.cc)?;
151 let (post, _) = note.get_parents(context, request_counter).await?;
152 let community_id = post.community_id;
153 let community = blocking(context.pool(), move |conn| {
154 Community::read(conn, community_id)
157 check_is_apub_id_valid(note.id.inner(), community.local, &context.settings())?;
158 verify_person_in_community(
166 return Err(LemmyError::from_message("Post is locked"));
171 /// Converts a `Note` to `Comment`.
173 /// If the parent community, post and comment(s) are not known locally, these are also fetched.
174 #[tracing::instrument(skip_all)]
177 context: &LemmyContext,
178 request_counter: &mut i32,
179 ) -> Result<ApubComment, LemmyError> {
182 .dereference(context, request_counter)
184 let (post, parent_comment_id) = note.get_parents(context, request_counter).await?;
186 let content = if let SourceCompat::Lemmy(source) = ¬e.source {
187 source.content.clone()
189 parse_html(¬e.content)
191 let content_slurs_removed = remove_slurs(&content, &context.settings().slur_regex());
193 let form = CommentForm {
194 creator_id: creator.id,
196 parent_id: parent_comment_id,
197 content: content_slurs_removed,
200 published: note.published.map(|u| u.naive_local()),
201 updated: note.updated.map(|u| u.naive_local()),
203 ap_id: Some(note.id.into()),
206 let comment = blocking(context.pool(), move |conn| Comment::upsert(conn, &form)).await??;
212 pub(crate) mod tests {
214 use crate::objects::{
215 community::{tests::parse_lemmy_community, ApubCommunity},
216 person::{tests::parse_lemmy_person, ApubPerson},
218 tests::{file_to_json_object, init_context},
220 use assert_json_diff::assert_json_include;
221 use lemmy_apub_lib::activity_queue::create_activity_queue;
222 use serial_test::serial;
224 async fn prepare_comment_test(
226 context: &LemmyContext,
227 ) -> (ApubPerson, ApubCommunity, ApubPost) {
228 let person = parse_lemmy_person(context).await;
229 let community = parse_lemmy_community(context).await;
230 let post_json = file_to_json_object("assets/lemmy/objects/page.json");
231 ApubPost::verify(&post_json, url, context, &mut 0)
234 let post = ApubPost::from_apub(post_json, context, &mut 0)
237 (person, community, post)
240 fn cleanup(data: (ApubPerson, ApubCommunity, ApubPost), context: &LemmyContext) {
241 Post::delete(&*context.pool().get().unwrap(), data.2.id).unwrap();
242 Community::delete(&*context.pool().get().unwrap(), data.1.id).unwrap();
243 Person::delete(&*context.pool().get().unwrap(), data.0.id).unwrap();
248 pub(crate) async fn test_parse_lemmy_comment() {
249 let manager = create_activity_queue();
250 let context = init_context(manager.queue_handle().clone());
251 let url = Url::parse("https://enterprise.lemmy.ml/comment/38741").unwrap();
252 let data = prepare_comment_test(&url, &context).await;
254 let json: Note = file_to_json_object("assets/lemmy/objects/note.json");
255 let mut request_counter = 0;
256 ApubComment::verify(&json, &url, &context, &mut request_counter)
259 let comment = ApubComment::from_apub(json.clone(), &context, &mut request_counter)
263 assert_eq!(comment.ap_id, url.into());
264 assert_eq!(comment.content.len(), 14);
265 assert!(!comment.local);
266 assert_eq!(request_counter, 0);
268 let comment_id = comment.id;
269 let to_apub = comment.into_apub(&context).await.unwrap();
270 assert_json_include!(actual: json, expected: to_apub);
272 Comment::delete(&*context.pool().get().unwrap(), comment_id).unwrap();
273 cleanup(data, &context);
278 async fn test_parse_pleroma_comment() {
279 let manager = create_activity_queue();
280 let context = init_context(manager.queue_handle().clone());
281 let url = Url::parse("https://enterprise.lemmy.ml/comment/38741").unwrap();
282 let data = prepare_comment_test(&url, &context).await;
285 Url::parse("https://queer.hacktivis.me/objects/8d4973f4-53de-49cd-8c27-df160e16a9c2")
287 let person_json = file_to_json_object("assets/pleroma/objects/person.json");
288 ApubPerson::verify(&person_json, &pleroma_url, &context, &mut 0)
291 ApubPerson::from_apub(person_json, &context, &mut 0)
294 let json = file_to_json_object("assets/pleroma/objects/note.json");
295 let mut request_counter = 0;
296 ApubComment::verify(&json, &pleroma_url, &context, &mut request_counter)
299 let comment = ApubComment::from_apub(json, &context, &mut request_counter)
303 assert_eq!(comment.ap_id, pleroma_url.into());
304 assert_eq!(comment.content.len(), 64);
305 assert!(!comment.local);
306 assert_eq!(request_counter, 0);
308 Comment::delete(&*context.pool().get().unwrap(), comment.id).unwrap();
309 cleanup(data, &context);
314 async fn test_html_to_markdown_sanitize() {
315 let parsed = parse_html("<script></script><b>hello</b>");
316 assert_eq!(parsed, "**hello**");