use crate::{ check_is_apub_id_valid, context::lemmy_context, generate_outbox_url, objects::{ImageObject, Source}, }; use activitystreams::{ actor::Endpoints, base::AnyBase, chrono::NaiveDateTime, object::{kind::ImageType, Tombstone}, primitives::OneOrMany, unparsed::Unparsed, }; use chrono::{DateTime, FixedOffset}; use lemmy_api_common::blocking; use lemmy_apub_lib::{ signatures::PublicKey, traits::{ActorType, ApubObject, FromApub, ToApub}, values::{MediaTypeHtml, MediaTypeMarkdown}, verify::verify_domains_match, }; use lemmy_db_schema::{ naive_now, source::person::{Person as DbPerson, PersonForm}, DbPool, }; use lemmy_utils::{ utils::{check_slurs, check_slurs_opt, convert_datetime, markdown_to_html}, LemmyError, }; use lemmy_websocket::LemmyContext; use serde::{Deserialize, Serialize}; use serde_with::skip_serializing_none; use std::ops::Deref; use url::Url; #[derive(Clone, Copy, Debug, Deserialize, Serialize, PartialEq)] pub enum UserTypes { Person, Service, } #[skip_serializing_none] #[derive(Clone, Debug, Deserialize, Serialize)] #[serde(rename_all = "camelCase")] pub struct Person { #[serde(rename = "@context")] context: OneOrMany, #[serde(rename = "type")] kind: UserTypes, id: Url, /// username, set at account creation and can never be changed preferred_username: String, /// displayname (can be changed at any time) name: Option, content: Option, media_type: Option, source: Option, /// user avatar icon: Option, /// user banner image: Option, matrix_user_id: Option, inbox: Url, /// mandatory field in activitypub, currently empty in lemmy outbox: Url, endpoints: Endpoints, public_key: PublicKey, published: Option>, updated: Option>, #[serde(flatten)] unparsed: Unparsed, } // TODO: can generate this with a derive macro impl Person { pub(crate) fn id(&self, expected_domain: &Url) -> Result<&Url, LemmyError> { verify_domains_match(&self.id, expected_domain)?; Ok(&self.id) } } #[derive(Clone, Debug)] pub struct ApubPerson(DbPerson); impl Deref for ApubPerson { type Target = DbPerson; fn deref(&self) -> &Self::Target { &self.0 } } impl From for ApubPerson { fn from(p: DbPerson) -> Self { ApubPerson { 0: p } } } #[async_trait::async_trait(?Send)] impl ApubObject for ApubPerson { type DataType = LemmyContext; fn last_refreshed_at(&self) -> Option { Some(self.last_refreshed_at) } async fn read_from_apub_id( object_id: Url, context: &LemmyContext, ) -> Result, LemmyError> { Ok( blocking(context.pool(), move |conn| { DbPerson::read_from_apub_id(conn, object_id) }) .await?? .map(Into::into), ) } async fn delete(self, context: &LemmyContext) -> Result<(), LemmyError> { blocking(context.pool(), move |conn| { DbPerson::update_deleted(conn, self.id, true) }) .await??; Ok(()) } } impl ActorType for ApubPerson { fn is_local(&self) -> bool { self.local } fn actor_id(&self) -> Url { self.actor_id.to_owned().into_inner() } fn name(&self) -> String { self.name.clone() } fn public_key(&self) -> Option { self.public_key.to_owned() } fn private_key(&self) -> Option { self.private_key.to_owned() } fn inbox_url(&self) -> Url { self.inbox_url.clone().into() } fn shared_inbox_url(&self) -> Option { self.shared_inbox_url.clone().map(|s| s.into_inner()) } } #[async_trait::async_trait(?Send)] impl ToApub for ApubPerson { type ApubType = Person; type TombstoneType = Tombstone; type DataType = DbPool; async fn to_apub(&self, _pool: &DbPool) -> Result { let kind = if self.bot_account { UserTypes::Service } else { UserTypes::Person }; let source = self.bio.clone().map(|bio| Source { content: bio, media_type: MediaTypeMarkdown::Markdown, }); let icon = self.avatar.clone().map(|url| ImageObject { kind: ImageType::Image, url: url.into(), }); let image = self.banner.clone().map(|url| ImageObject { kind: ImageType::Image, url: url.into(), }); let person = Person { context: lemmy_context(), kind, id: self.actor_id.to_owned().into_inner(), preferred_username: self.name.clone(), name: self.display_name.clone(), content: self.bio.as_ref().map(|b| markdown_to_html(b)), media_type: self.bio.as_ref().map(|_| MediaTypeHtml::Html), source, icon, image, matrix_user_id: self.matrix_user_id.clone(), published: Some(convert_datetime(self.published)), outbox: generate_outbox_url(&self.actor_id)?.into(), endpoints: Endpoints { shared_inbox: self.shared_inbox_url.clone().map(|s| s.into()), ..Default::default() }, public_key: self.get_public_key()?, updated: self.updated.map(convert_datetime), unparsed: Default::default(), inbox: self.inbox_url.clone().into(), }; Ok(person) } fn to_tombstone(&self) -> Result { unimplemented!() } } #[async_trait::async_trait(?Send)] impl FromApub for ApubPerson { type ApubType = Person; type DataType = LemmyContext; async fn from_apub( person: &Person, context: &LemmyContext, expected_domain: &Url, _request_counter: &mut i32, ) -> Result { let actor_id = Some(person.id(expected_domain)?.clone().into()); let name = person.preferred_username.clone(); let display_name: Option = person.name.clone(); let bio = person.source.clone().map(|s| s.content); let shared_inbox = person.endpoints.shared_inbox.clone().map(|s| s.into()); let bot_account = match person.kind { UserTypes::Person => false, UserTypes::Service => true, }; let slur_regex = &context.settings().slur_regex(); check_slurs(&name, slur_regex)?; check_slurs_opt(&display_name, slur_regex)?; check_slurs_opt(&bio, slur_regex)?; check_is_apub_id_valid(&person.id, false, &context.settings())?; let person_form = PersonForm { name, display_name: Some(display_name), banned: None, deleted: None, avatar: Some(person.icon.clone().map(|i| i.url.into())), banner: Some(person.image.clone().map(|i| i.url.into())), published: person.published.map(|u| u.clone().naive_local()), updated: person.updated.map(|u| u.clone().naive_local()), actor_id, bio: Some(bio), local: Some(false), admin: Some(false), bot_account: Some(bot_account), private_key: None, public_key: Some(Some(person.public_key.public_key_pem.clone())), last_refreshed_at: Some(naive_now()), inbox_url: Some(person.inbox.to_owned().into()), shared_inbox_url: Some(shared_inbox), matrix_user_id: Some(person.matrix_user_id.clone()), }; let person = blocking(context.pool(), move |conn| { DbPerson::upsert(conn, &person_form) }) .await??; Ok(person.into()) } } #[cfg(test)] mod tests { use super::*; use crate::objects::tests::{file_to_json_object, init_context}; use assert_json_diff::assert_json_include; use lemmy_db_schema::traits::Crud; use serial_test::serial; #[actix_rt::test] #[serial] async fn test_fetch_lemmy_person() { let context = init_context(); let json = file_to_json_object("assets/lemmy-person.json"); let url = Url::parse("https://lemmy.ml/u/nutomic").unwrap(); let mut request_counter = 0; let person = ApubPerson::from_apub(&json, &context, &url, &mut request_counter) .await .unwrap(); assert_eq!(person.actor_id.clone().into_inner(), url); assert_eq!(person.name, "nutomic"); assert!(person.public_key.is_some()); assert!(!person.local); assert!(person.bio.is_some()); assert_eq!(request_counter, 0); let to_apub = person.to_apub(context.pool()).await.unwrap(); assert_json_include!(actual: json, expected: to_apub); DbPerson::delete(&*context.pool().get().unwrap(), person.id).unwrap(); } #[actix_rt::test] #[serial] async fn test_fetch_pleroma_person() { let context = init_context(); let json = file_to_json_object("assets/pleroma-person.json"); let url = Url::parse("https://queer.hacktivis.me/users/lanodan").unwrap(); let mut request_counter = 0; let person = ApubPerson::from_apub(&json, &context, &url, &mut request_counter) .await .unwrap(); assert_eq!(person.actor_id.clone().into_inner(), url); assert_eq!(person.name, "lanodan"); assert!(person.public_key.is_some()); assert!(!person.local); assert_eq!(request_counter, 0); // TODO: pleroma uses summary for user profile, while we use content //assert!(person.bio.is_some()); DbPerson::delete(&*context.pool().get().unwrap(), person.id).unwrap(); } }