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::{object::kind::NoteType, public};
16 use chrono::NaiveDateTime;
17 use html2md::parse_html;
18 use lemmy_api_common::blocking;
22 values::{MediaTypeHtml, MediaTypeMarkdown},
23 verify::verify_domains_match,
25 use lemmy_db_schema::{
27 comment::{Comment, CommentForm},
35 utils::{convert_datetime, markdown_to_html, remove_slurs},
38 use lemmy_websocket::LemmyContext;
42 #[derive(Clone, Debug)]
43 pub struct ApubComment(Comment);
45 impl Deref for ApubComment {
46 type Target = Comment;
47 fn deref(&self) -> &Self::Target {
52 impl From<Comment> for ApubComment {
53 fn from(c: Comment) -> Self {
58 #[async_trait::async_trait(?Send)]
59 impl ApubObject for ApubComment {
60 type DataType = LemmyContext;
62 type TombstoneType = Tombstone;
64 fn last_refreshed_at(&self) -> Option<NaiveDateTime> {
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 async fn delete(self, context: &LemmyContext) -> Result<(), LemmyError> {
83 blocking(context.pool(), move |conn| {
84 Comment::update_deleted(conn, self.id, true)
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)
110 let maa = collect_non_local_mentions(&self, ObjectId::new(community.actor_id), context).await?;
113 r#type: NoteType::Note,
114 id: ObjectId::new(self.ap_id.clone()),
115 attributed_to: ObjectId::new(creator.actor_id),
118 content: markdown_to_html(&self.content),
119 media_type: Some(MediaTypeHtml::Html),
120 source: SourceCompat::Lemmy(Source {
121 content: self.content.clone(),
122 media_type: MediaTypeMarkdown::Markdown,
125 published: Some(convert_datetime(self.published)),
126 updated: self.updated.map(convert_datetime),
128 unparsed: Default::default(),
134 fn to_tombstone(&self) -> Result<Tombstone, LemmyError> {
137 self.updated.unwrap_or(self.published),
143 expected_domain: &Url,
144 context: &LemmyContext,
145 request_counter: &mut i32,
146 ) -> Result<(), LemmyError> {
147 verify_domains_match(note.id.inner(), expected_domain)?;
148 verify_domains_match(note.attributed_to.inner(), note.id.inner())?;
149 verify_is_public(¬e.to, ¬e.cc)?;
150 let (post, _) = note.get_parents(context, request_counter).await?;
151 let community_id = post.community_id;
152 let community = blocking(context.pool(), move |conn| {
153 Community::read(conn, community_id)
156 check_is_apub_id_valid(note.id.inner(), community.local, &context.settings())?;
157 verify_person_in_community(
165 return Err(anyhow!("Post is locked").into());
170 /// Converts a `Note` to `Comment`.
172 /// If the parent community, post and comment(s) are not known locally, these are also fetched.
175 context: &LemmyContext,
176 request_counter: &mut i32,
177 ) -> Result<ApubComment, LemmyError> {
180 .dereference(context, request_counter)
182 let (post, parent_comment_id) = note.get_parents(context, request_counter).await?;
184 let content = if let SourceCompat::Lemmy(source) = ¬e.source {
185 source.content.clone()
187 parse_html(¬e.content)
189 let content_slurs_removed = remove_slurs(&content, &context.settings().slur_regex());
191 let form = CommentForm {
192 creator_id: creator.id,
194 parent_id: parent_comment_id,
195 content: content_slurs_removed,
198 published: note.published.map(|u| u.naive_local()),
199 updated: note.updated.map(|u| u.naive_local()),
201 ap_id: Some(note.id.into()),
204 let comment = blocking(context.pool(), move |conn| Comment::upsert(conn, &form)).await??;
210 pub(crate) mod tests {
212 use crate::objects::{
213 community::{tests::parse_lemmy_community, ApubCommunity},
214 person::{tests::parse_lemmy_person, ApubPerson},
216 tests::{file_to_json_object, init_context},
218 use assert_json_diff::assert_json_include;
219 use serial_test::serial;
221 async fn prepare_comment_test(
223 context: &LemmyContext,
224 ) -> (ApubPerson, ApubCommunity, ApubPost) {
225 let person = parse_lemmy_person(context).await;
226 let community = parse_lemmy_community(context).await;
227 let post_json = file_to_json_object("assets/lemmy/objects/page.json");
228 ApubPost::verify(&post_json, url, context, &mut 0)
231 let post = ApubPost::from_apub(post_json, context, &mut 0)
234 (person, community, post)
237 fn cleanup(data: (ApubPerson, ApubCommunity, ApubPost), context: &LemmyContext) {
238 Post::delete(&*context.pool().get().unwrap(), data.2.id).unwrap();
239 Community::delete(&*context.pool().get().unwrap(), data.1.id).unwrap();
240 Person::delete(&*context.pool().get().unwrap(), data.0.id).unwrap();
245 pub(crate) async fn test_parse_lemmy_comment() {
246 let context = init_context();
247 let url = Url::parse("https://enterprise.lemmy.ml/comment/38741").unwrap();
248 let data = prepare_comment_test(&url, &context).await;
250 let json: Note = file_to_json_object("assets/lemmy/objects/note.json");
251 let mut request_counter = 0;
252 ApubComment::verify(&json, &url, &context, &mut request_counter)
255 let comment = ApubComment::from_apub(json.clone(), &context, &mut request_counter)
259 assert_eq!(comment.ap_id, url.into());
260 assert_eq!(comment.content.len(), 14);
261 assert!(!comment.local);
262 assert_eq!(request_counter, 0);
264 let comment_id = comment.id;
265 let to_apub = comment.into_apub(&context).await.unwrap();
266 assert_json_include!(actual: json, expected: to_apub);
268 Comment::delete(&*context.pool().get().unwrap(), comment_id).unwrap();
269 cleanup(data, &context);
274 async fn test_parse_pleroma_comment() {
275 let context = init_context();
276 let url = Url::parse("https://enterprise.lemmy.ml/comment/38741").unwrap();
277 let data = prepare_comment_test(&url, &context).await;
280 Url::parse("https://queer.hacktivis.me/objects/8d4973f4-53de-49cd-8c27-df160e16a9c2")
282 let person_json = file_to_json_object("assets/pleroma/objects/person.json");
283 ApubPerson::verify(&person_json, &pleroma_url, &context, &mut 0)
286 ApubPerson::from_apub(person_json, &context, &mut 0)
289 let json = file_to_json_object("assets/pleroma/objects/note.json");
290 let mut request_counter = 0;
291 ApubComment::verify(&json, &pleroma_url, &context, &mut request_counter)
294 let comment = ApubComment::from_apub(json, &context, &mut request_counter)
298 assert_eq!(comment.ap_id, pleroma_url.into());
299 assert_eq!(comment.content.len(), 64);
300 assert!(!comment.local);
301 assert_eq!(request_counter, 0);
303 Comment::delete(&*context.pool().get().unwrap(), comment.id).unwrap();
304 cleanup(data, &context);
309 async fn test_html_to_markdown_sanitize() {
310 let parsed = parse_html("<script></script><b>hello</b>");
311 assert_eq!(parsed, "**hello**");