2 activities::{verify_is_public, verify_person_in_community},
3 check_apub_id_valid_with_strictness,
6 mentions::collect_non_local_mentions,
7 objects::{read_from_string_or_source, verify_is_remote_object},
9 objects::{note::Note, LanguageTag},
15 use activitypub_federation::{
16 core::object_id::ObjectId,
17 deser::values::MediaTypeMarkdownOrHtml,
19 utils::verify_domains_match,
21 use activitystreams_kinds::{object::NoteType, public};
22 use chrono::NaiveDateTime;
23 use lemmy_api_common::utils::local_site_opt_to_slur_regex;
24 use lemmy_db_schema::{
26 comment::{Comment, CommentInsertForm, CommentUpdateForm},
28 local_site::LocalSite,
36 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 DbType = Comment;
63 type Error = LemmyError;
65 fn last_refreshed_at(&self) -> Option<NaiveDateTime> {
69 #[tracing::instrument(skip_all)]
70 async fn read_from_apub_id(
72 context: &LemmyContext,
73 ) -> Result<Option<Self>, LemmyError> {
75 Comment::read_from_apub_id(context.pool(), object_id)
81 #[tracing::instrument(skip_all)]
82 async fn delete(self, context: &LemmyContext) -> Result<(), LemmyError> {
84 let form = CommentUpdateForm::builder().deleted(Some(true)).build();
85 Comment::update(context.pool(), self.id, &form).await?;
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 = Person::read(context.pool(), creator_id).await?;
95 let post_id = self.post_id;
96 let post = Post::read(context.pool(), post_id).await?;
97 let community_id = post.community_id;
98 let community = Community::read(context.pool(), community_id).await?;
100 let in_reply_to = if let Some(comment_id) = self.parent_comment_id() {
101 let parent_comment = Comment::read(context.pool(), comment_id).await?;
102 ObjectId::<PostOrComment>::new(parent_comment.ap_id)
104 ObjectId::<PostOrComment>::new(post.ap_id)
106 let language = LanguageTag::new_single(self.language_id, context.pool()).await?;
107 let maa = collect_non_local_mentions(
109 ObjectId::new(community.actor_id.clone()),
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(MediaTypeMarkdownOrHtml::Html),
123 source: Some(Source::new(self.content.clone())),
125 published: Some(convert_datetime(self.published)),
126 updated: self.updated.map(convert_datetime),
128 distinguished: Some(self.distinguished),
130 audience: Some(ObjectId::new(community.actor_id)),
136 #[tracing::instrument(skip_all)]
139 expected_domain: &Url,
140 context: &LemmyContext,
141 request_counter: &mut i32,
142 ) -> Result<(), LemmyError> {
143 verify_domains_match(note.id.inner(), expected_domain)?;
144 verify_domains_match(note.attributed_to.inner(), note.id.inner())?;
145 verify_is_public(¬e.to, ¬e.cc)?;
146 let community = note.community(context, request_counter).await?;
147 let local_site_data = fetch_local_site_data(context.pool()).await?;
149 check_apub_id_valid_with_strictness(
155 verify_is_remote_object(note.id.inner(), context.settings())?;
156 verify_person_in_community(¬e.attributed_to, &community, context, request_counter).await?;
157 let (post, _) = note.get_parents(context, request_counter).await?;
159 return Err(LemmyError::from_message("Post is locked"));
164 /// Converts a `Note` to `Comment`.
166 /// If the parent community, post and comment(s) are not known locally, these are also fetched.
167 #[tracing::instrument(skip_all)]
170 context: &LemmyContext,
171 request_counter: &mut i32,
172 ) -> Result<ApubComment, LemmyError> {
175 .dereference(context, local_instance(context).await, request_counter)
177 let (post, parent_comment) = note.get_parents(context, request_counter).await?;
179 let content = read_from_string_or_source(¬e.content, ¬e.media_type, ¬e.source);
181 let local_site = LocalSite::read(context.pool()).await.ok();
182 let slur_regex = &local_site_opt_to_slur_regex(&local_site);
183 let content_slurs_removed = remove_slurs(&content, slur_regex);
184 let language_id = LanguageTag::to_language_id_single(note.language, context.pool()).await?;
186 let form = CommentInsertForm {
187 creator_id: creator.id,
189 content: content_slurs_removed,
191 published: note.published.map(|u| u.naive_local()),
192 updated: note.updated.map(|u| u.naive_local()),
193 deleted: Some(false),
194 ap_id: Some(note.id.into()),
195 distinguished: note.distinguished,
199 let parent_comment_path = parent_comment.map(|t| t.0.path);
200 let comment = Comment::create(context.pool(), &form, parent_comment_path.as_ref()).await?;
206 pub(crate) mod tests {
210 community::{tests::parse_lemmy_community, ApubCommunity},
212 person::{tests::parse_lemmy_person, ApubPerson},
216 protocol::tests::file_to_json_object,
218 use assert_json_diff::assert_json_include;
219 use html2md::parse_html;
220 use lemmy_db_schema::source::site::Site;
221 use serial_test::serial;
223 async fn prepare_comment_test(
225 context: &LemmyContext,
226 ) -> (ApubPerson, ApubCommunity, ApubPost, ApubSite) {
227 let (person, site) = parse_lemmy_person(context).await;
228 let community = parse_lemmy_community(context).await;
229 let post_json = file_to_json_object("assets/lemmy/objects/page.json").unwrap();
230 ApubPost::verify(&post_json, url, context, &mut 0)
233 let post = ApubPost::from_apub(post_json, context, &mut 0)
236 (person, community, post, site)
239 async fn cleanup(data: (ApubPerson, ApubCommunity, ApubPost, ApubSite), context: &LemmyContext) {
240 Post::delete(context.pool(), data.2.id).await.unwrap();
241 Community::delete(context.pool(), data.1.id).await.unwrap();
242 Person::delete(context.pool(), data.0.id).await.unwrap();
243 Site::delete(context.pool(), data.3.id).await.unwrap();
244 LocalSite::delete(context.pool()).await.unwrap();
249 pub(crate) async fn test_parse_lemmy_comment() {
250 let context = init_context().await;
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").unwrap();
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(), comment_id).await.unwrap();
273 cleanup(data, &context).await;
278 async fn test_parse_pleroma_comment() {
279 let context = init_context().await;
280 let url = Url::parse("https://enterprise.lemmy.ml/comment/38741").unwrap();
281 let data = prepare_comment_test(&url, &context).await;
284 Url::parse("https://queer.hacktivis.me/objects/8d4973f4-53de-49cd-8c27-df160e16a9c2")
286 let person_json = file_to_json_object("assets/pleroma/objects/person.json").unwrap();
287 ApubPerson::verify(&person_json, &pleroma_url, &context, &mut 0)
290 ApubPerson::from_apub(person_json, &context, &mut 0)
293 let json = file_to_json_object("assets/pleroma/objects/note.json").unwrap();
294 let mut request_counter = 0;
295 ApubComment::verify(&json, &pleroma_url, &context, &mut request_counter)
298 let comment = ApubComment::from_apub(json, &context, &mut request_counter)
302 assert_eq!(comment.ap_id, pleroma_url.into());
303 assert_eq!(comment.content.len(), 64);
304 assert!(!comment.local);
305 assert_eq!(request_counter, 0);
307 Comment::delete(context.pool(), comment.id).await.unwrap();
308 cleanup(data, &context).await;
313 async fn test_html_to_markdown_sanitize() {
314 let parsed = parse_html("<script></script><b>hello</b>");
315 assert_eq!(parsed, "**hello**");