lemmy/crates/apub/src/objects/person.rs

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use crate::{
check_apub_id_valid_with_strictness,
fetch_local_site_data,
generate_outbox_url,
objects::{instance::fetch_instance_actor_for_object, read_from_string_or_source_opt},
protocol::{
objects::{
person::{Person, UserTypes},
Endpoints,
},
ImageObject,
Source,
},
ActorType,
};
use activitypub_federation::{
core::object_id::ObjectId,
traits::{Actor, ApubObject},
utils::verify_domains_match,
};
use chrono::NaiveDateTime;
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use lemmy_api_common::utils::local_site_opt_to_slur_regex;
use lemmy_db_schema::{
source::{
instance::Instance,
person::{Person as DbPerson, PersonInsertForm, PersonUpdateForm},
},
traits::{ApubActor, Crud},
utils::naive_now,
};
use lemmy_utils::{
error::LemmyError,
utils::{check_slurs, check_slurs_opt, convert_datetime, markdown_to_html},
};
use lemmy_websocket::LemmyContext;
use std::ops::Deref;
use url::Url;
#[derive(Clone, Debug, PartialEq, Eq)]
pub struct ApubPerson(DbPerson);
impl Deref for ApubPerson {
type Target = DbPerson;
fn deref(&self) -> &Self::Target {
&self.0
}
}
impl From<DbPerson> for ApubPerson {
fn from(p: DbPerson) -> Self {
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ApubPerson(p)
}
}
#[async_trait::async_trait(?Send)]
impl ApubObject for ApubPerson {
type DataType = LemmyContext;
type ApubType = Person;
type DbType = DbPerson;
type Error = LemmyError;
fn last_refreshed_at(&self) -> Option<NaiveDateTime> {
Some(self.last_refreshed_at)
}
#[tracing::instrument(skip_all)]
async fn read_from_apub_id(
object_id: Url,
context: &LemmyContext,
) -> Result<Option<Self>, LemmyError> {
Ok(
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DbPerson::read_from_apub_id(context.pool(), &object_id.into())
.await?
.map(Into::into),
)
}
#[tracing::instrument(skip_all)]
async fn delete(self, context: &LemmyContext) -> Result<(), LemmyError> {
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let form = PersonUpdateForm::builder().deleted(Some(true)).build();
DbPerson::update(context.pool(), self.id, &form).await?;
Ok(())
}
#[tracing::instrument(skip_all)]
async fn into_apub(self, _pool: &LemmyContext) -> Result<Person, LemmyError> {
let kind = if self.bot_account {
UserTypes::Service
} else {
UserTypes::Person
};
let person = Person {
kind,
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id: ObjectId::new(self.actor_id.clone()),
preferred_username: self.name.clone(),
name: self.display_name.clone(),
summary: self.bio.as_ref().map(|b| markdown_to_html(b)),
source: self.bio.clone().map(Source::new),
icon: self.avatar.clone().map(ImageObject::new),
image: self.banner.clone().map(ImageObject::new),
matrix_user_id: self.matrix_user_id.clone(),
published: Some(convert_datetime(self.published)),
outbox: generate_outbox_url(&self.actor_id)?.into(),
endpoints: self.shared_inbox_url.clone().map(|s| Endpoints {
shared_inbox: s.into(),
}),
public_key: self.get_public_key(),
updated: self.updated.map(convert_datetime),
inbox: self.inbox_url.clone().into(),
};
Ok(person)
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}
#[tracing::instrument(skip_all)]
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async fn verify(
person: &Person,
expected_domain: &Url,
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context: &LemmyContext,
_request_counter: &mut i32,
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) -> Result<(), LemmyError> {
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let local_site_data = fetch_local_site_data(context.pool()).await?;
let slur_regex = &local_site_opt_to_slur_regex(&local_site_data.local_site);
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check_slurs(&person.preferred_username, slur_regex)?;
check_slurs_opt(&person.name, slur_regex)?;
verify_domains_match(person.id.inner(), expected_domain)?;
check_apub_id_valid_with_strictness(
person.id.inner(),
false,
&local_site_data,
context.settings(),
)?;
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let bio = read_from_string_or_source_opt(&person.summary, &None, &person.source);
check_slurs_opt(&bio, slur_regex)?;
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Ok(())
}
#[tracing::instrument(skip_all)]
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async fn from_apub(
person: Person,
context: &LemmyContext,
request_counter: &mut i32,
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) -> Result<ApubPerson, LemmyError> {
let apub_id = person.id.inner().clone();
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let instance = Instance::create_from_actor_id(context.pool(), &apub_id).await?;
let person_form = PersonInsertForm {
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name: person.preferred_username,
display_name: person.name,
banned: None,
ban_expires: None,
deleted: Some(false),
avatar: person.icon.map(|i| i.url.into()),
banner: person.image.map(|i| i.url.into()),
published: person.published.map(|u| u.naive_local()),
updated: person.updated.map(|u| u.naive_local()),
actor_id: Some(person.id.into()),
bio: read_from_string_or_source_opt(&person.summary, &None, &person.source),
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local: Some(false),
admin: Some(false),
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bot_account: Some(person.kind == UserTypes::Service),
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private_key: None,
public_key: person.public_key.public_key_pem,
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last_refreshed_at: Some(naive_now()),
inbox_url: Some(person.inbox.into()),
shared_inbox_url: person.endpoints.map(|e| e.shared_inbox.into()),
matrix_user_id: person.matrix_user_id,
instance_id: instance.id,
};
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let person = DbPerson::create(context.pool(), &person_form).await?;
let actor_id = person.actor_id.clone().into();
fetch_instance_actor_for_object(actor_id, context, request_counter).await;
Ok(person.into())
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}
}
impl ActorType for ApubPerson {
fn actor_id(&self) -> Url {
self.actor_id.clone().into()
}
fn private_key(&self) -> Option<String> {
self.private_key.clone()
}
}
impl Actor for ApubPerson {
fn public_key(&self) -> &str {
&self.public_key
}
fn inbox(&self) -> Url {
self.inbox_url.clone().into()
}
fn shared_inbox(&self) -> Option<Url> {
self.shared_inbox_url.clone().map(Into::into)
}
}
#[cfg(test)]
pub(crate) mod tests {
use super::*;
use crate::{
objects::{
instance::{tests::parse_lemmy_instance, ApubSite},
tests::init_context,
},
protocol::{objects::instance::Instance, tests::file_to_json_object},
};
use lemmy_db_schema::{source::site::Site, traits::Crud};
use serial_test::serial;
pub(crate) async fn parse_lemmy_person(context: &LemmyContext) -> (ApubPerson, ApubSite) {
let site = parse_lemmy_instance(context).await;
let json = file_to_json_object("assets/lemmy/objects/person.json").unwrap();
let url = Url::parse("https://enterprise.lemmy.ml/u/picard").unwrap();
let mut request_counter = 0;
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ApubPerson::verify(&json, &url, context, &mut request_counter)
.await
.unwrap();
let person = ApubPerson::from_apub(json, context, &mut request_counter)
.await
.unwrap();
assert_eq!(request_counter, 0);
(person, site)
}
#[actix_rt::test]
#[serial]
async fn test_parse_lemmy_person() {
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let context = init_context().await;
let (person, site) = parse_lemmy_person(&context).await;
assert_eq!(person.display_name, Some("Jean-Luc Picard".to_string()));
assert!(!person.local);
assert_eq!(person.bio.as_ref().unwrap().len(), 39);
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cleanup((person, site), &context).await;
}
#[actix_rt::test]
#[serial]
async fn test_parse_pleroma_person() {
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let context = init_context().await;
// create and parse a fake pleroma instance actor, to avoid network request during test
let mut json: Instance = file_to_json_object("assets/lemmy/objects/instance.json").unwrap();
let id = Url::parse("https://queer.hacktivis.me/").unwrap();
json.id = ObjectId::new(id);
let mut request_counter = 0;
let site = ApubSite::from_apub(json, &context, &mut request_counter)
.await
.unwrap();
let json = file_to_json_object("assets/pleroma/objects/person.json").unwrap();
let url = Url::parse("https://queer.hacktivis.me/users/lanodan").unwrap();
let mut request_counter = 0;
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ApubPerson::verify(&json, &url, &context, &mut request_counter)
.await
.unwrap();
let person = ApubPerson::from_apub(json, &context, &mut request_counter)
.await
.unwrap();
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assert_eq!(person.actor_id, url.into());
assert_eq!(person.name, "lanodan");
assert!(!person.local);
assert_eq!(request_counter, 0);
assert_eq!(person.bio.as_ref().unwrap().len(), 873);
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cleanup((person, site), &context).await;
}
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async fn cleanup(data: (ApubPerson, ApubSite), context: &LemmyContext) {
DbPerson::delete(context.pool(), data.0.id).await.unwrap();
Site::delete(context.pool(), data.1.id).await.unwrap();
}
}