2 activities::{verify_is_public, verify_person_in_community},
3 check_apub_id_valid_with_strictness,
4 mentions::collect_non_local_mentions,
5 objects::{read_from_string_or_source, verify_is_remote_object},
7 objects::{note::Note, LanguageTag},
12 use activitypub_federation::{
14 kinds::{object::NoteType, public},
15 protocol::{values::MediaTypeMarkdownOrHtml, verification::verify_domains_match},
18 use chrono::NaiveDateTime;
19 use lemmy_api_common::{context::LemmyContext, utils::local_site_opt_to_slur_regex};
20 use lemmy_db_schema::{
22 comment::{Comment, CommentInsertForm, CommentUpdateForm},
24 local_site::LocalSite,
32 utils::{markdown::markdown_to_html, slurs::remove_slurs, time::convert_datetime},
37 #[derive(Clone, Debug)]
38 pub struct ApubComment(pub(crate) Comment);
40 impl Deref for ApubComment {
41 type Target = Comment;
42 fn deref(&self) -> &Self::Target {
47 impl From<Comment> for ApubComment {
48 fn from(c: Comment) -> Self {
53 #[async_trait::async_trait]
54 impl Object for ApubComment {
55 type DataType = LemmyContext;
57 type Error = LemmyError;
59 fn last_refreshed_at(&self) -> Option<NaiveDateTime> {
63 #[tracing::instrument(skip_all)]
64 async fn read_from_id(
66 context: &Data<Self::DataType>,
67 ) -> Result<Option<Self>, LemmyError> {
69 Comment::read_from_apub_id(context.pool(), object_id)
75 #[tracing::instrument(skip_all)]
76 async fn delete(self, context: &Data<Self::DataType>) -> Result<(), LemmyError> {
78 let form = CommentUpdateForm::builder().deleted(Some(true)).build();
79 Comment::update(context.pool(), self.id, &form).await?;
84 #[tracing::instrument(skip_all)]
85 async fn into_json(self, context: &Data<Self::DataType>) -> Result<Note, LemmyError> {
86 let creator_id = self.creator_id;
87 let creator = Person::read(context.pool(), creator_id).await?;
89 let post_id = self.post_id;
90 let post = Post::read(context.pool(), post_id).await?;
91 let community_id = post.community_id;
92 let community = Community::read(context.pool(), community_id).await?;
94 let in_reply_to = if let Some(comment_id) = self.parent_comment_id() {
95 let parent_comment = Comment::read(context.pool(), comment_id).await?;
96 parent_comment.ap_id.into()
100 let language = LanguageTag::new_single(self.language_id, context.pool()).await?;
101 let maa = collect_non_local_mentions(&self, community.actor_id.clone().into(), context).await?;
104 r#type: NoteType::Note,
105 id: self.ap_id.clone().into(),
106 attributed_to: creator.actor_id.into(),
109 content: markdown_to_html(&self.content),
110 media_type: Some(MediaTypeMarkdownOrHtml::Html),
111 source: Some(Source::new(self.content.clone())),
113 published: Some(convert_datetime(self.published)),
114 updated: self.updated.map(convert_datetime),
116 distinguished: Some(self.distinguished),
118 audience: Some(community.actor_id.into()),
124 #[tracing::instrument(skip_all)]
127 expected_domain: &Url,
128 context: &Data<LemmyContext>,
129 ) -> Result<(), LemmyError> {
130 verify_domains_match(note.id.inner(), expected_domain)?;
131 verify_domains_match(note.attributed_to.inner(), note.id.inner())?;
132 verify_is_public(¬e.to, ¬e.cc)?;
133 let community = note.community(context).await?;
135 check_apub_id_valid_with_strictness(note.id.inner(), community.local, context).await?;
136 verify_is_remote_object(note.id.inner(), context.settings())?;
137 verify_person_in_community(¬e.attributed_to, &community, context).await?;
138 let (post, _) = note.get_parents(context).await?;
140 return Err(LemmyError::from_message("Post is locked"));
145 /// Converts a `Note` to `Comment`.
147 /// If the parent community, post and comment(s) are not known locally, these are also fetched.
148 #[tracing::instrument(skip_all)]
149 async fn from_json(note: Note, context: &Data<LemmyContext>) -> Result<ApubComment, LemmyError> {
150 let creator = note.attributed_to.dereference(context).await?;
151 let (post, parent_comment) = note.get_parents(context).await?;
153 let content = read_from_string_or_source(¬e.content, ¬e.media_type, ¬e.source);
155 let local_site = LocalSite::read(context.pool()).await.ok();
156 let slur_regex = &local_site_opt_to_slur_regex(&local_site);
157 let content_slurs_removed = remove_slurs(&content, slur_regex);
158 let language_id = LanguageTag::to_language_id_single(note.language, context.pool()).await?;
160 let form = CommentInsertForm {
161 creator_id: creator.id,
163 content: content_slurs_removed,
165 published: note.published.map(|u| u.naive_local()),
166 updated: note.updated.map(|u| u.naive_local()),
167 deleted: Some(false),
168 ap_id: Some(note.id.into()),
169 distinguished: note.distinguished,
173 let parent_comment_path = parent_comment.map(|t| t.0.path);
174 let comment = Comment::create(context.pool(), &form, parent_comment_path.as_ref()).await?;
180 pub(crate) mod tests {
184 community::{tests::parse_lemmy_community, ApubCommunity},
186 person::{tests::parse_lemmy_person, ApubPerson},
190 protocol::tests::file_to_json_object,
192 use assert_json_diff::assert_json_include;
193 use html2md::parse_html;
194 use lemmy_db_schema::source::site::Site;
195 use serial_test::serial;
197 async fn prepare_comment_test(
199 context: &Data<LemmyContext>,
200 ) -> (ApubPerson, ApubCommunity, ApubPost, ApubSite) {
201 // use separate counter so this doesnt affect tests
202 let context2 = context.reset_request_count();
203 let (person, site) = parse_lemmy_person(&context2).await;
204 let community = parse_lemmy_community(&context2).await;
205 let post_json = file_to_json_object("assets/lemmy/objects/page.json").unwrap();
206 ApubPost::verify(&post_json, url, &context2).await.unwrap();
207 let post = ApubPost::from_json(post_json, &context2).await.unwrap();
208 (person, community, post, site)
211 async fn cleanup(data: (ApubPerson, ApubCommunity, ApubPost, ApubSite), context: &LemmyContext) {
212 Post::delete(context.pool(), data.2.id).await.unwrap();
213 Community::delete(context.pool(), data.1.id).await.unwrap();
214 Person::delete(context.pool(), data.0.id).await.unwrap();
215 Site::delete(context.pool(), data.3.id).await.unwrap();
216 LocalSite::delete(context.pool()).await.unwrap();
221 pub(crate) async fn test_parse_lemmy_comment() {
222 let context = init_context().await;
223 let url = Url::parse("https://enterprise.lemmy.ml/comment/38741").unwrap();
224 let data = prepare_comment_test(&url, &context).await;
226 let json: Note = file_to_json_object("assets/lemmy/objects/note.json").unwrap();
227 ApubComment::verify(&json, &url, &context).await.unwrap();
228 let comment = ApubComment::from_json(json.clone(), &context)
232 assert_eq!(comment.ap_id, url.into());
233 assert_eq!(comment.content.len(), 14);
234 assert!(!comment.local);
235 assert_eq!(context.request_count(), 0);
237 let comment_id = comment.id;
238 let to_apub = comment.into_json(&context).await.unwrap();
239 assert_json_include!(actual: json, expected: to_apub);
241 Comment::delete(context.pool(), comment_id).await.unwrap();
242 cleanup(data, &context).await;
247 async fn test_parse_pleroma_comment() {
248 let context = init_context().await;
249 let url = Url::parse("https://enterprise.lemmy.ml/comment/38741").unwrap();
250 let data = prepare_comment_test(&url, &context).await;
253 Url::parse("https://queer.hacktivis.me/objects/8d4973f4-53de-49cd-8c27-df160e16a9c2")
255 let person_json = file_to_json_object("assets/pleroma/objects/person.json").unwrap();
256 ApubPerson::verify(&person_json, &pleroma_url, &context)
259 ApubPerson::from_json(person_json, &context).await.unwrap();
260 let json = file_to_json_object("assets/pleroma/objects/note.json").unwrap();
261 ApubComment::verify(&json, &pleroma_url, &context)
264 let comment = ApubComment::from_json(json, &context).await.unwrap();
266 assert_eq!(comment.ap_id, pleroma_url.into());
267 assert_eq!(comment.content.len(), 64);
268 assert!(!comment.local);
269 assert_eq!(context.request_count(), 1);
271 Comment::delete(context.pool(), comment.id).await.unwrap();
272 cleanup(data, &context).await;
277 async fn test_html_to_markdown_sanitize() {
278 let parsed = parse_html("<script></script><b>hello</b>");
279 assert_eq!(parsed, "**hello**");