2 activities::{verify_is_public, verify_person_in_community},
3 check_is_apub_id_valid,
4 mentions::collect_non_local_mentions,
5 objects::read_from_string_or_source,
7 objects::{note::Note, tombstone::Tombstone},
12 use activitystreams_kinds::{object::NoteType, public};
13 use chrono::NaiveDateTime;
14 use lemmy_api_common::blocking;
18 values::MediaTypeHtml,
19 verify::verify_domains_match,
21 use lemmy_db_schema::{
23 comment::{Comment, CommentForm},
31 utils::{convert_datetime, markdown_to_html, remove_slurs},
34 use lemmy_websocket::LemmyContext;
38 #[derive(Clone, Debug)]
39 pub struct ApubComment(Comment);
41 impl Deref for ApubComment {
42 type Target = Comment;
43 fn deref(&self) -> &Self::Target {
48 impl From<Comment> for ApubComment {
49 fn from(c: Comment) -> Self {
54 #[async_trait::async_trait(?Send)]
55 impl ApubObject for ApubComment {
56 type DataType = LemmyContext;
58 type DbType = Comment;
59 type TombstoneType = Tombstone;
61 fn last_refreshed_at(&self) -> Option<NaiveDateTime> {
65 #[tracing::instrument(skip_all)]
66 async fn read_from_apub_id(
68 context: &LemmyContext,
69 ) -> Result<Option<Self>, LemmyError> {
71 blocking(context.pool(), move |conn| {
72 Comment::read_from_apub_id(conn, object_id)
79 #[tracing::instrument(skip_all)]
80 async fn delete(self, context: &LemmyContext) -> Result<(), LemmyError> {
82 blocking(context.pool(), move |conn| {
83 Comment::update_deleted(conn, self.id, true)
90 #[tracing::instrument(skip_all)]
91 async fn into_apub(self, context: &LemmyContext) -> Result<Note, LemmyError> {
92 let creator_id = self.creator_id;
93 let creator = blocking(context.pool(), move |conn| Person::read(conn, creator_id)).await??;
95 let post_id = self.post_id;
96 let post = blocking(context.pool(), move |conn| Post::read(conn, post_id)).await??;
97 let community_id = post.community_id;
98 let community = blocking(context.pool(), move |conn| {
99 Community::read(conn, community_id)
103 let in_reply_to = if let Some(comment_id) = self.parent_id {
105 blocking(context.pool(), move |conn| Comment::read(conn, comment_id)).await??;
106 ObjectId::<PostOrComment>::new(parent_comment.ap_id)
108 ObjectId::<PostOrComment>::new(post.ap_id)
111 collect_non_local_mentions(&self, ObjectId::new(community.actor_id), context, &mut 0).await?;
114 r#type: NoteType::Note,
115 id: ObjectId::new(self.ap_id.clone()),
116 attributed_to: ObjectId::new(creator.actor_id),
119 content: markdown_to_html(&self.content),
120 media_type: Some(MediaTypeHtml::Html),
121 source: Some(SourceCompat::new(self.content.clone())),
123 published: Some(convert_datetime(self.published)),
124 updated: self.updated.map(convert_datetime),
131 fn to_tombstone(&self) -> Result<Tombstone, LemmyError> {
132 Ok(Tombstone::new(self.ap_id.clone().into()))
135 #[tracing::instrument(skip_all)]
138 expected_domain: &Url,
139 context: &LemmyContext,
140 request_counter: &mut i32,
141 ) -> Result<(), LemmyError> {
142 verify_domains_match(note.id.inner(), expected_domain)?;
143 verify_domains_match(note.attributed_to.inner(), note.id.inner())?;
144 verify_is_public(¬e.to, ¬e.cc)?;
145 let (post, _) = note.get_parents(context, request_counter).await?;
146 let community_id = post.community_id;
147 let community = blocking(context.pool(), move |conn| {
148 Community::read(conn, community_id)
151 check_is_apub_id_valid(note.id.inner(), community.local, &context.settings())?;
152 verify_person_in_community(
160 return Err(LemmyError::from_message("Post is locked"));
165 /// Converts a `Note` to `Comment`.
167 /// If the parent community, post and comment(s) are not known locally, these are also fetched.
168 #[tracing::instrument(skip_all)]
171 context: &LemmyContext,
172 request_counter: &mut i32,
173 ) -> Result<ApubComment, LemmyError> {
176 .dereference(context, context.client(), request_counter)
178 let (post, parent_comment_id) = note.get_parents(context, request_counter).await?;
180 let content = read_from_string_or_source(¬e.content, ¬e.source);
181 let content_slurs_removed = remove_slurs(&content, &context.settings().slur_regex());
183 let form = CommentForm {
184 creator_id: creator.id,
186 parent_id: parent_comment_id,
187 content: content_slurs_removed,
190 published: note.published.map(|u| u.naive_local()),
191 updated: note.updated.map(|u| u.naive_local()),
193 ap_id: Some(note.id.into()),
196 let comment = blocking(context.pool(), move |conn| Comment::upsert(conn, &form)).await??;
202 pub(crate) mod tests {
206 community::{tests::parse_lemmy_community, ApubCommunity},
208 person::{tests::parse_lemmy_person, ApubPerson},
212 protocol::tests::file_to_json_object,
214 use assert_json_diff::assert_json_include;
215 use html2md::parse_html;
216 use lemmy_db_schema::source::site::Site;
217 use serial_test::serial;
219 async fn prepare_comment_test(
221 context: &LemmyContext,
222 ) -> (ApubPerson, ApubCommunity, ApubPost, ApubSite) {
223 let (person, site) = parse_lemmy_person(context).await;
224 let community = parse_lemmy_community(context).await;
225 let post_json = file_to_json_object("assets/lemmy/objects/page.json").unwrap();
226 ApubPost::verify(&post_json, url, context, &mut 0)
229 let post = ApubPost::from_apub(post_json, context, &mut 0)
232 (person, community, post, site)
235 fn cleanup(data: (ApubPerson, ApubCommunity, ApubPost, ApubSite), context: &LemmyContext) {
236 Post::delete(&*context.pool().get().unwrap(), data.2.id).unwrap();
237 Community::delete(&*context.pool().get().unwrap(), data.1.id).unwrap();
238 Person::delete(&*context.pool().get().unwrap(), data.0.id).unwrap();
239 Site::delete(&*context.pool().get().unwrap(), data.3.id).unwrap();
244 pub(crate) async fn test_parse_lemmy_comment() {
245 let context = init_context();
246 let url = Url::parse("https://enterprise.lemmy.ml/comment/38741").unwrap();
247 let data = prepare_comment_test(&url, &context).await;
249 let json: Note = file_to_json_object("assets/lemmy/objects/note.json").unwrap();
250 let mut request_counter = 0;
251 ApubComment::verify(&json, &url, &context, &mut request_counter)
254 let comment = ApubComment::from_apub(json.clone(), &context, &mut request_counter)
258 assert_eq!(comment.ap_id, url.into());
259 assert_eq!(comment.content.len(), 14);
260 assert!(!comment.local);
261 assert_eq!(request_counter, 0);
263 let comment_id = comment.id;
264 let to_apub = comment.into_apub(&context).await.unwrap();
265 assert_json_include!(actual: json, expected: to_apub);
267 Comment::delete(&*context.pool().get().unwrap(), comment_id).unwrap();
268 cleanup(data, &context);
273 async fn test_parse_pleroma_comment() {
274 let context = init_context();
275 let url = Url::parse("https://enterprise.lemmy.ml/comment/38741").unwrap();
276 let data = prepare_comment_test(&url, &context).await;
279 Url::parse("https://queer.hacktivis.me/objects/8d4973f4-53de-49cd-8c27-df160e16a9c2")
281 let person_json = file_to_json_object("assets/pleroma/objects/person.json").unwrap();
282 ApubPerson::verify(&person_json, &pleroma_url, &context, &mut 0)
285 ApubPerson::from_apub(person_json, &context, &mut 0)
288 let json = file_to_json_object("assets/pleroma/objects/note.json").unwrap();
289 let mut request_counter = 0;
290 ApubComment::verify(&json, &pleroma_url, &context, &mut request_counter)
293 let comment = ApubComment::from_apub(json, &context, &mut request_counter)
297 assert_eq!(comment.ap_id, pleroma_url.into());
298 assert_eq!(comment.content.len(), 64);
299 assert!(!comment.local);
300 assert_eq!(request_counter, 0);
302 Comment::delete(&*context.pool().get().unwrap(), comment.id).unwrap();
303 cleanup(data, &context);
308 async fn test_html_to_markdown_sanitize() {
309 let parsed = parse_html("<script></script><b>hello</b>");
310 assert_eq!(parsed, "**hello**");