2 activities::{verify_is_public, verify_person_in_community},
3 check_apub_id_valid_with_strictness,
5 mentions::collect_non_local_mentions,
6 objects::{read_from_string_or_source, verify_is_remote_object},
8 objects::{note::Note, LanguageTag},
13 use activitypub_federation::{
15 kinds::{object::NoteType, public},
16 protocol::{values::MediaTypeMarkdownOrHtml, verification::verify_domains_match},
19 use chrono::NaiveDateTime;
20 use lemmy_api_common::{context::LemmyContext, utils::local_site_opt_to_slur_regex};
21 use lemmy_db_schema::{
23 comment::{Comment, CommentInsertForm, CommentUpdateForm},
25 local_site::LocalSite,
33 utils::{markdown::markdown_to_html, slurs::remove_slurs, time::convert_datetime},
38 #[derive(Clone, Debug)]
39 pub struct ApubComment(pub(crate) Comment);
41 impl Deref for ApubComment {
42 type Target = Comment;
43 fn deref(&self) -> &Self::Target {
48 impl From<Comment> for ApubComment {
49 fn from(c: Comment) -> Self {
54 #[async_trait::async_trait]
55 impl Object for ApubComment {
56 type DataType = LemmyContext;
58 type Error = LemmyError;
60 fn last_refreshed_at(&self) -> Option<NaiveDateTime> {
64 #[tracing::instrument(skip_all)]
65 async fn read_from_id(
67 context: &Data<Self::DataType>,
68 ) -> Result<Option<Self>, LemmyError> {
70 Comment::read_from_apub_id(context.pool(), object_id)
76 #[tracing::instrument(skip_all)]
77 async fn delete(self, context: &Data<Self::DataType>) -> Result<(), LemmyError> {
79 let form = CommentUpdateForm::builder().deleted(Some(true)).build();
80 Comment::update(context.pool(), self.id, &form).await?;
85 #[tracing::instrument(skip_all)]
86 async fn into_json(self, context: &Data<Self::DataType>) -> Result<Note, LemmyError> {
87 let creator_id = self.creator_id;
88 let creator = Person::read(context.pool(), creator_id).await?;
90 let post_id = self.post_id;
91 let post = Post::read(context.pool(), post_id).await?;
92 let community_id = post.community_id;
93 let community = Community::read(context.pool(), community_id).await?;
95 let in_reply_to = if let Some(comment_id) = self.parent_comment_id() {
96 let parent_comment = Comment::read(context.pool(), comment_id).await?;
97 parent_comment.ap_id.into()
101 let language = LanguageTag::new_single(self.language_id, context.pool()).await?;
102 let maa = collect_non_local_mentions(&self, community.actor_id.clone().into(), context).await?;
105 r#type: NoteType::Note,
106 id: self.ap_id.clone().into(),
107 attributed_to: creator.actor_id.into(),
110 content: markdown_to_html(&self.content),
111 media_type: Some(MediaTypeMarkdownOrHtml::Html),
112 source: Some(Source::new(self.content.clone())),
114 published: Some(convert_datetime(self.published)),
115 updated: self.updated.map(convert_datetime),
117 distinguished: Some(self.distinguished),
119 audience: Some(community.actor_id.into()),
125 #[tracing::instrument(skip_all)]
128 expected_domain: &Url,
129 context: &Data<LemmyContext>,
130 ) -> Result<(), LemmyError> {
131 verify_domains_match(note.id.inner(), expected_domain)?;
132 verify_domains_match(note.attributed_to.inner(), note.id.inner())?;
133 verify_is_public(¬e.to, ¬e.cc)?;
134 let community = note.community(context).await?;
135 let local_site_data = fetch_local_site_data(context.pool()).await?;
137 check_apub_id_valid_with_strictness(
143 verify_is_remote_object(note.id.inner(), context.settings())?;
144 verify_person_in_community(¬e.attributed_to, &community, context).await?;
145 let (post, _) = note.get_parents(context).await?;
147 return Err(LemmyError::from_message("Post is locked"));
152 /// Converts a `Note` to `Comment`.
154 /// If the parent community, post and comment(s) are not known locally, these are also fetched.
155 #[tracing::instrument(skip_all)]
156 async fn from_json(note: Note, context: &Data<LemmyContext>) -> Result<ApubComment, LemmyError> {
157 let creator = note.attributed_to.dereference(context).await?;
158 let (post, parent_comment) = note.get_parents(context).await?;
160 let content = read_from_string_or_source(¬e.content, ¬e.media_type, ¬e.source);
162 let local_site = LocalSite::read(context.pool()).await.ok();
163 let slur_regex = &local_site_opt_to_slur_regex(&local_site);
164 let content_slurs_removed = remove_slurs(&content, slur_regex);
165 let language_id = LanguageTag::to_language_id_single(note.language, context.pool()).await?;
167 let form = CommentInsertForm {
168 creator_id: creator.id,
170 content: content_slurs_removed,
172 published: note.published.map(|u| u.naive_local()),
173 updated: note.updated.map(|u| u.naive_local()),
174 deleted: Some(false),
175 ap_id: Some(note.id.into()),
176 distinguished: note.distinguished,
180 let parent_comment_path = parent_comment.map(|t| t.0.path);
181 let comment = Comment::create(context.pool(), &form, parent_comment_path.as_ref()).await?;
187 pub(crate) mod tests {
191 community::{tests::parse_lemmy_community, ApubCommunity},
193 person::{tests::parse_lemmy_person, ApubPerson},
197 protocol::tests::file_to_json_object,
199 use assert_json_diff::assert_json_include;
200 use html2md::parse_html;
201 use lemmy_db_schema::source::site::Site;
202 use serial_test::serial;
204 async fn prepare_comment_test(
206 context: &Data<LemmyContext>,
207 ) -> (ApubPerson, ApubCommunity, ApubPost, ApubSite) {
208 // use separate counter so this doesnt affect tests
209 let context2 = context.reset_request_count();
210 let (person, site) = parse_lemmy_person(&context2).await;
211 let community = parse_lemmy_community(&context2).await;
212 let post_json = file_to_json_object("assets/lemmy/objects/page.json").unwrap();
213 ApubPost::verify(&post_json, url, &context2).await.unwrap();
214 let post = ApubPost::from_json(post_json, &context2).await.unwrap();
215 (person, community, post, site)
218 async fn cleanup(data: (ApubPerson, ApubCommunity, ApubPost, ApubSite), context: &LemmyContext) {
219 Post::delete(context.pool(), data.2.id).await.unwrap();
220 Community::delete(context.pool(), data.1.id).await.unwrap();
221 Person::delete(context.pool(), data.0.id).await.unwrap();
222 Site::delete(context.pool(), data.3.id).await.unwrap();
223 LocalSite::delete(context.pool()).await.unwrap();
228 pub(crate) async fn test_parse_lemmy_comment() {
229 let context = init_context().await;
230 let url = Url::parse("https://enterprise.lemmy.ml/comment/38741").unwrap();
231 let data = prepare_comment_test(&url, &context).await;
233 let json: Note = file_to_json_object("assets/lemmy/objects/note.json").unwrap();
234 ApubComment::verify(&json, &url, &context).await.unwrap();
235 let comment = ApubComment::from_json(json.clone(), &context)
239 assert_eq!(comment.ap_id, url.into());
240 assert_eq!(comment.content.len(), 14);
241 assert!(!comment.local);
242 assert_eq!(context.request_count(), 0);
244 let comment_id = comment.id;
245 let to_apub = comment.into_json(&context).await.unwrap();
246 assert_json_include!(actual: json, expected: to_apub);
248 Comment::delete(context.pool(), comment_id).await.unwrap();
249 cleanup(data, &context).await;
254 async fn test_parse_pleroma_comment() {
255 let context = init_context().await;
256 let url = Url::parse("https://enterprise.lemmy.ml/comment/38741").unwrap();
257 let data = prepare_comment_test(&url, &context).await;
260 Url::parse("https://queer.hacktivis.me/objects/8d4973f4-53de-49cd-8c27-df160e16a9c2")
262 let person_json = file_to_json_object("assets/pleroma/objects/person.json").unwrap();
263 ApubPerson::verify(&person_json, &pleroma_url, &context)
266 ApubPerson::from_json(person_json, &context).await.unwrap();
267 let json = file_to_json_object("assets/pleroma/objects/note.json").unwrap();
268 ApubComment::verify(&json, &pleroma_url, &context)
271 let comment = ApubComment::from_json(json, &context).await.unwrap();
273 assert_eq!(comment.ap_id, pleroma_url.into());
274 assert_eq!(comment.content.len(), 64);
275 assert!(!comment.local);
276 assert_eq!(context.request_count(), 1);
278 Comment::delete(context.pool(), comment.id).await.unwrap();
279 cleanup(data, &context).await;
284 async fn test_html_to_markdown_sanitize() {
285 let parsed = parse_html("<script></script><b>hello</b>");
286 assert_eq!(parsed, "**hello**");