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 fetcher::object_id::ObjectId,
34 note::{Note, SourceCompat},
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> {
82 blocking(context.pool(), move |conn| {
83 Comment::update_deleted(conn, self.id, true)
89 async fn to_apub(&self, context: &LemmyContext) -> Result<Note, LemmyError> {
90 let creator_id = self.creator_id;
91 let creator = blocking(context.pool(), move |conn| Person::read(conn, creator_id)).await??;
93 let post_id = self.post_id;
94 let post = blocking(context.pool(), move |conn| Post::read(conn, post_id)).await??;
96 let in_reply_to = if let Some(comment_id) = self.parent_id {
98 blocking(context.pool(), move |conn| Comment::read(conn, comment_id)).await??;
99 ObjectId::<PostOrComment>::new(parent_comment.ap_id.into_inner())
101 ObjectId::<PostOrComment>::new(post.ap_id.into_inner())
105 r#type: NoteType::Note,
106 id: self.ap_id.to_owned().into_inner(),
107 attributed_to: ObjectId::new(creator.actor_id),
109 content: self.content.clone(),
110 media_type: Some(MediaTypeHtml::Html),
111 source: SourceCompat::Lemmy(Source {
112 content: self.content.clone(),
113 media_type: MediaTypeMarkdown::Markdown,
116 published: Some(convert_datetime(self.published)),
117 updated: self.updated.map(convert_datetime),
118 unparsed: Default::default(),
124 fn to_tombstone(&self) -> Result<Tombstone, LemmyError> {
127 self.updated.unwrap_or(self.published),
131 /// Converts a `Note` to `Comment`.
133 /// If the parent community, post and comment(s) are not known locally, these are also fetched.
136 context: &LemmyContext,
137 expected_domain: &Url,
138 request_counter: &mut i32,
139 ) -> Result<ApubComment, LemmyError> {
140 let ap_id = Some(note.id(expected_domain)?.clone().into());
143 .dereference(context, request_counter)
145 let (post, parent_comment_id) = 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 verify_person_in_community(
159 return Err(anyhow!("Post is locked").into());
162 let content = if let SourceCompat::Lemmy(source) = ¬e.source {
163 source.content.clone()
165 parse_html(¬e.content)
167 let content_slurs_removed = remove_slurs(&content, &context.settings().slur_regex());
169 let form = CommentForm {
170 creator_id: creator.id,
172 parent_id: parent_comment_id,
173 content: content_slurs_removed,
176 published: note.published.map(|u| u.to_owned().naive_local()),
177 updated: note.updated.map(|u| u.to_owned().naive_local()),
182 let comment = blocking(context.pool(), move |conn| Comment::upsert(conn, &form)).await??;
188 pub(crate) mod tests {
190 use crate::objects::{
191 community::{tests::parse_lemmy_community, ApubCommunity},
192 person::{tests::parse_lemmy_person, ApubPerson},
194 tests::{file_to_json_object, init_context},
196 use assert_json_diff::assert_json_include;
197 use serial_test::serial;
199 async fn prepare_comment_test(
201 context: &LemmyContext,
202 ) -> (ApubPerson, ApubCommunity, ApubPost) {
203 let person = parse_lemmy_person(context).await;
204 let community = parse_lemmy_community(context).await;
205 let post_json = file_to_json_object("assets/lemmy/objects/page.json");
206 let post = ApubPost::from_apub(&post_json, context, url, &mut 0)
209 (person, community, post)
212 fn cleanup(data: (ApubPerson, ApubCommunity, ApubPost), context: &LemmyContext) {
213 Post::delete(&*context.pool().get().unwrap(), data.2.id).unwrap();
214 Community::delete(&*context.pool().get().unwrap(), data.1.id).unwrap();
215 Person::delete(&*context.pool().get().unwrap(), data.0.id).unwrap();
220 pub(crate) async fn test_parse_lemmy_comment() {
221 let context = init_context();
222 let url = Url::parse("https://enterprise.lemmy.ml/comment/38741").unwrap();
223 let data = prepare_comment_test(&url, &context).await;
225 let json = file_to_json_object("assets/lemmy/objects/note.json");
226 let mut request_counter = 0;
227 let comment = ApubComment::from_apub(&json, &context, &url, &mut request_counter)
231 assert_eq!(comment.ap_id.clone().into_inner(), url);
232 assert_eq!(comment.content.len(), 14);
233 assert!(!comment.local);
234 assert_eq!(request_counter, 0);
236 let to_apub = comment.to_apub(&context).await.unwrap();
237 assert_json_include!(actual: json, expected: to_apub);
239 Comment::delete(&*context.pool().get().unwrap(), comment.id).unwrap();
240 cleanup(data, &context);
245 async fn test_parse_pleroma_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;
251 Url::parse("https://queer.hacktivis.me/objects/8d4973f4-53de-49cd-8c27-df160e16a9c2")
253 let person_json = file_to_json_object("assets/pleroma/objects/person.json");
254 ApubPerson::from_apub(&person_json, &context, &pleroma_url, &mut 0)
257 let json = file_to_json_object("assets/pleroma/objects/note.json");
258 let mut request_counter = 0;
259 let comment = ApubComment::from_apub(&json, &context, &pleroma_url, &mut request_counter)
263 assert_eq!(comment.ap_id.clone().into_inner(), pleroma_url);
264 assert_eq!(comment.content.len(), 64);
265 assert!(!comment.local);
266 assert_eq!(request_counter, 0);
268 Comment::delete(&*context.pool().get().unwrap(), comment.id).unwrap();
269 cleanup(data, &context);
274 async fn test_html_to_markdown_sanitize() {
275 let parsed = parse_html("<script></script><b>hello</b>");
276 assert_eq!(parsed, "**hello**");