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

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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,
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};
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,
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source::person::{Person as DbPerson, PersonForm},
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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<AnyBase>,
#[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<String>,
content: Option<String>,
media_type: Option<MediaTypeHtml>,
source: Option<Source>,
/// user avatar
icon: Option<ImageObject>,
/// user banner
image: Option<ImageObject>,
matrix_user_id: Option<String>,
inbox: Url,
/// mandatory field in activitypub, currently empty in lemmy
outbox: Url,
endpoints: Endpoints<Url>,
public_key: PublicKey,
published: DateTime<FixedOffset>,
updated: Option<DateTime<FixedOffset>>,
#[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<DbPerson> 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<NaiveDateTime> {
Some(self.last_refreshed_at)
}
async fn read_from_apub_id(
object_id: Url,
context: &LemmyContext,
) -> Result<Option<Self>, 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<String> {
self.public_key.to_owned()
}
fn private_key(&self) -> Option<String> {
self.private_key.to_owned()
}
fn inbox_url(&self) -> Url {
self.inbox_url.clone().into()
}
fn shared_inbox_url(&self) -> Option<Url> {
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<Person, LemmyError> {
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: 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)
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}
fn to_tombstone(&self) -> Result<Tombstone, LemmyError> {
unimplemented!()
}
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}
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#[async_trait::async_trait(?Send)]
impl FromApub for ApubPerson {
type ApubType = Person;
type DataType = LemmyContext;
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async fn from_apub(
person: &Person,
context: &LemmyContext,
expected_domain: &Url,
_request_counter: &mut i32,
) -> Result<ApubPerson, LemmyError> {
let actor_id = Some(person.id(expected_domain)?.clone().into());
let name = person.preferred_username.clone();
let display_name: Option<String> = 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,
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deleted: None,
avatar: Some(person.icon.clone().map(|i| i.url.into())),
banner: Some(person.image.clone().map(|i| i.url.into())),
published: Some(person.published.naive_local()),
updated: person.updated.map(|u| u.clone().naive_local()),
actor_id,
bio: Some(bio),
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local: Some(false),
admin: Some(false),
bot_account: Some(bot_account),
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private_key: None,
public_key: Some(Some(person.public_key.public_key_pem.clone())),
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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)
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})
.await??;
Ok(person.into())
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}
}