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::{context::LemmyContext, utils::local_site_opt_to_slur_regex};
24 use lemmy_db_schema::{
26 comment::{Comment, CommentInsertForm, CommentUpdateForm},
28 local_site::LocalSite,
36 utils::{markdown::markdown_to_html, slurs::remove_slurs, time::convert_datetime},
41 #[derive(Clone, Debug)]
42 pub struct ApubComment(pub(crate) Comment);
44 impl Deref for ApubComment {
45 type Target = Comment;
46 fn deref(&self) -> &Self::Target {
51 impl From<Comment> for ApubComment {
52 fn from(c: Comment) -> Self {
57 #[async_trait::async_trait(?Send)]
58 impl ApubObject for ApubComment {
59 type DataType = LemmyContext;
61 type DbType = Comment;
62 type Error = LemmyError;
64 fn last_refreshed_at(&self) -> Option<NaiveDateTime> {
68 #[tracing::instrument(skip_all)]
69 async fn read_from_apub_id(
71 context: &LemmyContext,
72 ) -> Result<Option<Self>, LemmyError> {
74 Comment::read_from_apub_id(context.pool(), object_id)
80 #[tracing::instrument(skip_all)]
81 async fn delete(self, context: &LemmyContext) -> Result<(), LemmyError> {
83 let form = CommentUpdateForm::builder().deleted(Some(true)).build();
84 Comment::update(context.pool(), self.id, &form).await?;
89 #[tracing::instrument(skip_all)]
90 async fn into_apub(self, context: &LemmyContext) -> Result<Note, LemmyError> {
91 let creator_id = self.creator_id;
92 let creator = Person::read(context.pool(), creator_id).await?;
94 let post_id = self.post_id;
95 let post = Post::read(context.pool(), post_id).await?;
96 let community_id = post.community_id;
97 let community = Community::read(context.pool(), community_id).await?;
99 let in_reply_to = if let Some(comment_id) = self.parent_comment_id() {
100 let parent_comment = Comment::read(context.pool(), comment_id).await?;
101 ObjectId::<PostOrComment>::new(parent_comment.ap_id)
103 ObjectId::<PostOrComment>::new(post.ap_id)
105 let language = LanguageTag::new_single(self.language_id, context.pool()).await?;
106 let maa = collect_non_local_mentions(
108 ObjectId::new(community.actor_id.clone()),
115 r#type: NoteType::Note,
116 id: ObjectId::new(self.ap_id.clone()),
117 attributed_to: ObjectId::new(creator.actor_id),
120 content: markdown_to_html(&self.content),
121 media_type: Some(MediaTypeMarkdownOrHtml::Html),
122 source: Some(Source::new(self.content.clone())),
124 published: Some(convert_datetime(self.published)),
125 updated: self.updated.map(convert_datetime),
127 distinguished: Some(self.distinguished),
129 audience: Some(ObjectId::new(community.actor_id)),
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 community = note.community(context, request_counter).await?;
146 let local_site_data = fetch_local_site_data(context.pool()).await?;
148 check_apub_id_valid_with_strictness(
154 verify_is_remote_object(note.id.inner(), context.settings())?;
155 verify_person_in_community(¬e.attributed_to, &community, context, request_counter).await?;
156 let (post, _) = note.get_parents(context, request_counter).await?;
158 return Err(LemmyError::from_message("Post is locked"));
163 /// Converts a `Note` to `Comment`.
165 /// If the parent community, post and comment(s) are not known locally, these are also fetched.
166 #[tracing::instrument(skip_all)]
169 context: &LemmyContext,
170 request_counter: &mut i32,
171 ) -> Result<ApubComment, LemmyError> {
174 .dereference(context, local_instance(context).await, request_counter)
176 let (post, parent_comment) = note.get_parents(context, request_counter).await?;
178 let content = read_from_string_or_source(¬e.content, ¬e.media_type, ¬e.source);
180 let local_site = LocalSite::read(context.pool()).await.ok();
181 let slur_regex = &local_site_opt_to_slur_regex(&local_site);
182 let content_slurs_removed = remove_slurs(&content, slur_regex);
183 let language_id = LanguageTag::to_language_id_single(note.language, context.pool()).await?;
185 let form = CommentInsertForm {
186 creator_id: creator.id,
188 content: content_slurs_removed,
190 published: note.published.map(|u| u.naive_local()),
191 updated: note.updated.map(|u| u.naive_local()),
192 deleted: Some(false),
193 ap_id: Some(note.id.into()),
194 distinguished: note.distinguished,
198 let parent_comment_path = parent_comment.map(|t| t.0.path);
199 let comment = Comment::create(context.pool(), &form, parent_comment_path.as_ref()).await?;
205 pub(crate) mod tests {
209 community::{tests::parse_lemmy_community, ApubCommunity},
211 person::{tests::parse_lemmy_person, ApubPerson},
215 protocol::tests::file_to_json_object,
217 use assert_json_diff::assert_json_include;
218 use html2md::parse_html;
219 use lemmy_db_schema::source::site::Site;
220 use serial_test::serial;
222 async fn prepare_comment_test(
224 context: &LemmyContext,
225 ) -> (ApubPerson, ApubCommunity, ApubPost, ApubSite) {
226 let (person, site) = parse_lemmy_person(context).await;
227 let community = parse_lemmy_community(context).await;
228 let post_json = file_to_json_object("assets/lemmy/objects/page.json").unwrap();
229 ApubPost::verify(&post_json, url, context, &mut 0)
232 let post = ApubPost::from_apub(post_json, context, &mut 0)
235 (person, community, post, site)
238 async fn cleanup(data: (ApubPerson, ApubCommunity, ApubPost, ApubSite), context: &LemmyContext) {
239 Post::delete(context.pool(), data.2.id).await.unwrap();
240 Community::delete(context.pool(), data.1.id).await.unwrap();
241 Person::delete(context.pool(), data.0.id).await.unwrap();
242 Site::delete(context.pool(), data.3.id).await.unwrap();
243 LocalSite::delete(context.pool()).await.unwrap();
248 pub(crate) async fn test_parse_lemmy_comment() {
249 let context = init_context().await;
250 let url = Url::parse("https://enterprise.lemmy.ml/comment/38741").unwrap();
251 let data = prepare_comment_test(&url, &context).await;
253 let json: Note = file_to_json_object("assets/lemmy/objects/note.json").unwrap();
254 let mut request_counter = 0;
255 ApubComment::verify(&json, &url, &context, &mut request_counter)
258 let comment = ApubComment::from_apub(json.clone(), &context, &mut request_counter)
262 assert_eq!(comment.ap_id, url.into());
263 assert_eq!(comment.content.len(), 14);
264 assert!(!comment.local);
265 assert_eq!(request_counter, 0);
267 let comment_id = comment.id;
268 let to_apub = comment.into_apub(&context).await.unwrap();
269 assert_json_include!(actual: json, expected: to_apub);
271 Comment::delete(context.pool(), comment_id).await.unwrap();
272 cleanup(data, &context).await;
277 async fn test_parse_pleroma_comment() {
278 let context = init_context().await;
279 let url = Url::parse("https://enterprise.lemmy.ml/comment/38741").unwrap();
280 let data = prepare_comment_test(&url, &context).await;
283 Url::parse("https://queer.hacktivis.me/objects/8d4973f4-53de-49cd-8c27-df160e16a9c2")
285 let person_json = file_to_json_object("assets/pleroma/objects/person.json").unwrap();
286 ApubPerson::verify(&person_json, &pleroma_url, &context, &mut 0)
289 ApubPerson::from_apub(person_json, &context, &mut 0)
292 let json = file_to_json_object("assets/pleroma/objects/note.json").unwrap();
293 let mut request_counter = 0;
294 ApubComment::verify(&json, &pleroma_url, &context, &mut request_counter)
297 let comment = ApubComment::from_apub(json, &context, &mut request_counter)
301 assert_eq!(comment.ap_id, pleroma_url.into());
302 assert_eq!(comment.content.len(), 64);
303 assert!(!comment.local);
304 assert_eq!(request_counter, 0);
306 Comment::delete(context.pool(), comment.id).await.unwrap();
307 cleanup(data, &context).await;
312 async fn test_html_to_markdown_sanitize() {
313 let parsed = parse_html("<script></script><b>hello</b>");
314 assert_eq!(parsed, "**hello**");