3 use activitystreams::{object::kind::NoteType, public};
5 use chrono::NaiveDateTime;
6 use html2md::parse_html;
9 use lemmy_api_common::blocking;
12 values::{MediaTypeHtml, MediaTypeMarkdown},
14 use lemmy_db_schema::{
16 comment::{Comment, CommentForm},
24 utils::{convert_datetime, remove_slurs},
27 use lemmy_websocket::LemmyContext;
30 activities::verify_person_in_community,
31 check_is_apub_id_valid,
32 fetcher::object_id::ObjectId,
35 note::{Note, SourceCompat},
42 use lemmy_apub_lib::verify::verify_domains_match;
43 use lemmy_utils::utils::markdown_to_html;
45 #[derive(Clone, Debug)]
46 pub struct ApubComment(Comment);
48 impl Deref for ApubComment {
49 type Target = Comment;
50 fn deref(&self) -> &Self::Target {
55 impl From<Comment> for ApubComment {
56 fn from(c: Comment) -> Self {
61 #[async_trait::async_trait(?Send)]
62 impl ApubObject for ApubComment {
63 type DataType = LemmyContext;
65 type TombstoneType = Tombstone;
67 fn last_refreshed_at(&self) -> Option<NaiveDateTime> {
71 async fn read_from_apub_id(
73 context: &LemmyContext,
74 ) -> Result<Option<Self>, LemmyError> {
76 blocking(context.pool(), move |conn| {
77 Comment::read_from_apub_id(conn, object_id)
84 async fn delete(self, context: &LemmyContext) -> Result<(), LemmyError> {
86 blocking(context.pool(), move |conn| {
87 Comment::update_deleted(conn, self.id, true)
94 async fn to_apub(&self, context: &LemmyContext) -> Result<Note, LemmyError> {
95 let creator_id = self.creator_id;
96 let creator = blocking(context.pool(), move |conn| Person::read(conn, creator_id)).await??;
98 let post_id = self.post_id;
99 let post = blocking(context.pool(), move |conn| Post::read(conn, post_id)).await??;
101 let in_reply_to = if let Some(comment_id) = self.parent_id {
103 blocking(context.pool(), move |conn| Comment::read(conn, comment_id)).await??;
104 ObjectId::<PostOrComment>::new(parent_comment.ap_id.into_inner())
106 ObjectId::<PostOrComment>::new(post.ap_id.into_inner())
110 r#type: NoteType::Note,
111 id: ObjectId::new(self.ap_id.to_owned()),
112 attributed_to: ObjectId::new(creator.actor_id),
114 content: markdown_to_html(&self.content),
115 media_type: Some(MediaTypeHtml::Html),
116 source: SourceCompat::Lemmy(Source {
117 content: self.content.clone(),
118 media_type: MediaTypeMarkdown::Markdown,
121 published: Some(convert_datetime(self.published)),
122 updated: self.updated.map(convert_datetime),
123 unparsed: Default::default(),
129 fn to_tombstone(&self) -> Result<Tombstone, LemmyError> {
132 self.updated.unwrap_or(self.published),
136 /// Converts a `Note` to `Comment`.
138 /// If the parent community, post and comment(s) are not known locally, these are also fetched.
141 context: &LemmyContext,
142 expected_domain: &Url,
143 request_counter: &mut i32,
144 ) -> Result<ApubComment, LemmyError> {
145 verify_domains_match(note.id.inner(), expected_domain)?;
146 let ap_id = Some(note.id.clone().into());
149 .dereference(context, request_counter)
151 let (post, parent_comment_id) = 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(anyhow!("Post is locked").into());
169 let content = if let SourceCompat::Lemmy(source) = ¬e.source {
170 source.content.clone()
172 parse_html(¬e.content)
174 let content_slurs_removed = remove_slurs(&content, &context.settings().slur_regex());
176 let form = CommentForm {
177 creator_id: creator.id,
179 parent_id: parent_comment_id,
180 content: content_slurs_removed,
183 published: note.published.map(|u| u.to_owned().naive_local()),
184 updated: note.updated.map(|u| u.to_owned().naive_local()),
189 let comment = blocking(context.pool(), move |conn| Comment::upsert(conn, &form)).await??;
195 pub(crate) mod tests {
197 use crate::objects::{
198 community::{tests::parse_lemmy_community, ApubCommunity},
199 person::{tests::parse_lemmy_person, ApubPerson},
201 tests::{file_to_json_object, init_context},
203 use assert_json_diff::assert_json_include;
204 use serial_test::serial;
206 async fn prepare_comment_test(
208 context: &LemmyContext,
209 ) -> (ApubPerson, ApubCommunity, ApubPost) {
210 let person = parse_lemmy_person(context).await;
211 let community = parse_lemmy_community(context).await;
212 let post_json = file_to_json_object("assets/lemmy/objects/page.json");
213 let post = ApubPost::from_apub(&post_json, context, url, &mut 0)
216 (person, community, post)
219 fn cleanup(data: (ApubPerson, ApubCommunity, ApubPost), context: &LemmyContext) {
220 Post::delete(&*context.pool().get().unwrap(), data.2.id).unwrap();
221 Community::delete(&*context.pool().get().unwrap(), data.1.id).unwrap();
222 Person::delete(&*context.pool().get().unwrap(), data.0.id).unwrap();
227 pub(crate) async fn test_parse_lemmy_comment() {
228 let context = init_context();
229 let url = Url::parse("https://enterprise.lemmy.ml/comment/38741").unwrap();
230 let data = prepare_comment_test(&url, &context).await;
232 let json = file_to_json_object("assets/lemmy/objects/note.json");
233 let mut request_counter = 0;
234 let comment = ApubComment::from_apub(&json, &context, &url, &mut request_counter)
238 assert_eq!(comment.ap_id.clone().into_inner(), url);
239 assert_eq!(comment.content.len(), 14);
240 assert!(!comment.local);
241 assert_eq!(request_counter, 0);
243 let to_apub = comment.to_apub(&context).await.unwrap();
244 assert_json_include!(actual: json, expected: to_apub);
246 Comment::delete(&*context.pool().get().unwrap(), comment.id).unwrap();
247 cleanup(data, &context);
252 async fn test_parse_pleroma_comment() {
253 let context = init_context();
254 let url = Url::parse("https://enterprise.lemmy.ml/comment/38741").unwrap();
255 let data = prepare_comment_test(&url, &context).await;
258 Url::parse("https://queer.hacktivis.me/objects/8d4973f4-53de-49cd-8c27-df160e16a9c2")
260 let person_json = file_to_json_object("assets/pleroma/objects/person.json");
261 ApubPerson::from_apub(&person_json, &context, &pleroma_url, &mut 0)
264 let json = file_to_json_object("assets/pleroma/objects/note.json");
265 let mut request_counter = 0;
266 let comment = ApubComment::from_apub(&json, &context, &pleroma_url, &mut request_counter)
270 assert_eq!(comment.ap_id.clone().into_inner(), pleroma_url);
271 assert_eq!(comment.content.len(), 64);
272 assert!(!comment.local);
273 assert_eq!(request_counter, 0);
275 Comment::delete(&*context.pool().get().unwrap(), comment.id).unwrap();
276 cleanup(data, &context);
281 async fn test_html_to_markdown_sanitize() {
282 let parsed = parse_html("<script></script><b>hello</b>");
283 assert_eq!(parsed, "**hello**");