use crate::{ fetcher::object_id::ObjectId, protocol::{ objects::chat_message::{ChatMessage, ChatMessageType}, Source, }, }; use chrono::NaiveDateTime; use html2md::parse_html; use lemmy_api_common::blocking; use lemmy_apub_lib::{ traits::ApubObject, values::{MediaTypeHtml, MediaTypeMarkdown}, }; use lemmy_db_schema::{ source::{ person::Person, private_message::{PrivateMessage, PrivateMessageForm}, }, traits::Crud, }; use lemmy_utils::{ utils::{convert_datetime, markdown_to_html}, LemmyError, }; use lemmy_websocket::LemmyContext; use std::ops::Deref; use url::Url; #[derive(Clone, Debug)] pub struct ApubPrivateMessage(PrivateMessage); impl Deref for ApubPrivateMessage { type Target = PrivateMessage; fn deref(&self) -> &Self::Target { &self.0 } } impl From for ApubPrivateMessage { fn from(pm: PrivateMessage) -> Self { ApubPrivateMessage { 0: pm } } } #[async_trait::async_trait(?Send)] impl ApubObject for ApubPrivateMessage { type DataType = LemmyContext; type ApubType = ChatMessage; type TombstoneType = (); fn last_refreshed_at(&self) -> Option { None } async fn read_from_apub_id( object_id: Url, context: &LemmyContext, ) -> Result, LemmyError> { Ok( blocking(context.pool(), move |conn| { PrivateMessage::read_from_apub_id(conn, object_id) }) .await?? .map(Into::into), ) } async fn delete(self, _context: &LemmyContext) -> Result<(), LemmyError> { // do nothing, because pm can't be fetched over http unimplemented!() } async fn to_apub(&self, context: &LemmyContext) -> Result { let creator_id = self.creator_id; let creator = blocking(context.pool(), move |conn| Person::read(conn, creator_id)).await??; let recipient_id = self.recipient_id; let recipient = blocking(context.pool(), move |conn| Person::read(conn, recipient_id)).await??; let note = ChatMessage { r#type: ChatMessageType::ChatMessage, id: self.ap_id.clone().into(), attributed_to: ObjectId::new(creator.actor_id), to: [ObjectId::new(recipient.actor_id)], content: markdown_to_html(&self.content), media_type: Some(MediaTypeHtml::Html), source: Some(Source { content: self.content.clone(), media_type: MediaTypeMarkdown::Markdown, }), published: Some(convert_datetime(self.published)), updated: self.updated.map(convert_datetime), unparsed: Default::default(), }; Ok(note) } fn to_tombstone(&self) -> Result<(), LemmyError> { unimplemented!() } async fn from_apub( note: &ChatMessage, context: &LemmyContext, expected_domain: &Url, request_counter: &mut i32, ) -> Result { let ap_id = Some(note.id(expected_domain)?.clone().into()); let creator = note .attributed_to .dereference(context, request_counter) .await?; let recipient = note.to[0].dereference(context, request_counter).await?; let content = if let Some(source) = ¬e.source { source.content.clone() } else { parse_html(¬e.content) }; let form = PrivateMessageForm { creator_id: creator.id, recipient_id: recipient.id, content, published: note.published.map(|u| u.to_owned().naive_local()), updated: note.updated.map(|u| u.to_owned().naive_local()), deleted: None, read: None, ap_id, local: Some(false), }; let pm = blocking(context.pool(), move |conn| { PrivateMessage::upsert(conn, &form) }) .await??; Ok(pm.into()) } } #[cfg(test)] mod tests { use super::*; use crate::objects::{ person::ApubPerson, tests::{file_to_json_object, init_context}, }; use assert_json_diff::assert_json_include; use serial_test::serial; async fn prepare_comment_test(url: &Url, context: &LemmyContext) -> (ApubPerson, ApubPerson) { let lemmy_person = file_to_json_object("assets/lemmy/objects/person.json"); let person1 = ApubPerson::from_apub(&lemmy_person, context, url, &mut 0) .await .unwrap(); let pleroma_person = file_to_json_object("assets/pleroma/objects/person.json"); let pleroma_url = Url::parse("https://queer.hacktivis.me/users/lanodan").unwrap(); let person2 = ApubPerson::from_apub(&pleroma_person, context, &pleroma_url, &mut 0) .await .unwrap(); (person1, person2) } fn cleanup(data: (ApubPerson, ApubPerson), context: &LemmyContext) { Person::delete(&*context.pool().get().unwrap(), data.0.id).unwrap(); Person::delete(&*context.pool().get().unwrap(), data.1.id).unwrap(); } #[actix_rt::test] #[serial] async fn test_parse_lemmy_pm() { let context = init_context(); let url = Url::parse("https://enterprise.lemmy.ml/private_message/1621").unwrap(); let data = prepare_comment_test(&url, &context).await; let json = file_to_json_object("assets/lemmy/objects/chat_message.json"); let mut request_counter = 0; let pm = ApubPrivateMessage::from_apub(&json, &context, &url, &mut request_counter) .await .unwrap(); assert_eq!(pm.ap_id.clone().into_inner(), url); assert_eq!(pm.content.len(), 20); assert_eq!(request_counter, 0); let to_apub = pm.to_apub(&context).await.unwrap(); assert_json_include!(actual: json, expected: to_apub); PrivateMessage::delete(&*context.pool().get().unwrap(), pm.id).unwrap(); cleanup(data, &context); } #[actix_rt::test] #[serial] async fn test_parse_pleroma_pm() { let context = init_context(); let url = Url::parse("https://enterprise.lemmy.ml/private_message/1621").unwrap(); let data = prepare_comment_test(&url, &context).await; let pleroma_url = Url::parse("https://queer.hacktivis.me/objects/2").unwrap(); let json = file_to_json_object("assets/pleroma/objects/chat_message.json"); let mut request_counter = 0; let pm = ApubPrivateMessage::from_apub(&json, &context, &pleroma_url, &mut request_counter) .await .unwrap(); assert_eq!(pm.ap_id.clone().into_inner(), pleroma_url); assert_eq!(pm.content.len(), 3); assert_eq!(request_counter, 0); PrivateMessage::delete(&*context.pool().get().unwrap(), pm.id).unwrap(); cleanup(data, &context); } }