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

202 lines
5.1 KiB
Rust

use crate::{
context::lemmy_context,
fetcher::object_id::ObjectId,
objects::{create_tombstone, person::ApubPerson, Source},
};
use activitystreams::{
base::AnyBase,
chrono::NaiveDateTime,
object::{kind::NoteType, Tombstone},
primitives::OneOrMany,
unparsed::Unparsed,
};
use anyhow::anyhow;
use chrono::{DateTime, FixedOffset};
use lemmy_api_common::blocking;
use lemmy_apub_lib::{
traits::{ApubObject, FromApub, ToApub},
values::{MediaTypeHtml, MediaTypeMarkdown},
verify::verify_domains_match,
};
use lemmy_db_schema::{
source::{
person::Person,
private_message::{PrivateMessage, PrivateMessageForm},
},
traits::Crud,
DbPool,
};
use lemmy_utils::{utils::convert_datetime, LemmyError};
use lemmy_websocket::LemmyContext;
use serde::{Deserialize, Serialize};
use serde_with::skip_serializing_none;
use std::ops::Deref;
use url::Url;
#[skip_serializing_none]
#[derive(Clone, Debug, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct Note {
#[serde(rename = "@context")]
context: OneOrMany<AnyBase>,
r#type: NoteType,
id: Url,
pub(crate) attributed_to: ObjectId<ApubPerson>,
to: ObjectId<ApubPerson>,
content: String,
media_type: MediaTypeHtml,
source: Source,
published: DateTime<FixedOffset>,
updated: Option<DateTime<FixedOffset>>,
#[serde(flatten)]
unparsed: Unparsed,
}
impl Note {
pub(crate) fn id_unchecked(&self) -> &Url {
&self.id
}
pub(crate) fn id(&self, expected_domain: &Url) -> Result<&Url, LemmyError> {
verify_domains_match(&self.id, expected_domain)?;
Ok(&self.id)
}
pub(crate) async fn verify(
&self,
context: &LemmyContext,
request_counter: &mut i32,
) -> Result<(), LemmyError> {
verify_domains_match(self.attributed_to.inner(), &self.id)?;
let person = self
.attributed_to
.dereference(context, request_counter)
.await?;
if person.banned {
return Err(anyhow!("Person is banned from site").into());
}
Ok(())
}
}
#[derive(Clone, Debug)]
pub struct ApubPrivateMessage(PrivateMessage);
impl Deref for ApubPrivateMessage {
type Target = PrivateMessage;
fn deref(&self) -> &Self::Target {
&self.0
}
}
impl From<PrivateMessage> for ApubPrivateMessage {
fn from(pm: PrivateMessage) -> Self {
ApubPrivateMessage { 0: pm }
}
}
#[async_trait::async_trait(?Send)]
impl ApubObject for ApubPrivateMessage {
type DataType = LemmyContext;
fn last_refreshed_at(&self) -> Option<NaiveDateTime> {
None
}
async fn read_from_apub_id(
object_id: Url,
context: &LemmyContext,
) -> Result<Option<Self>, 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_trait::async_trait(?Send)]
impl ToApub for ApubPrivateMessage {
type ApubType = Note;
type TombstoneType = Tombstone;
type DataType = DbPool;
async fn to_apub(&self, pool: &DbPool) -> Result<Note, LemmyError> {
let creator_id = self.creator_id;
let creator = blocking(pool, move |conn| Person::read(conn, creator_id)).await??;
let recipient_id = self.recipient_id;
let recipient = blocking(pool, move |conn| Person::read(conn, recipient_id)).await??;
let note = Note {
context: lemmy_context(),
r#type: NoteType::Note,
id: self.ap_id.clone().into(),
attributed_to: ObjectId::new(creator.actor_id),
to: ObjectId::new(recipient.actor_id),
content: self.content.clone(),
media_type: MediaTypeHtml::Html,
source: Source {
content: self.content.clone(),
media_type: MediaTypeMarkdown::Markdown,
},
published: convert_datetime(self.published),
updated: self.updated.map(convert_datetime),
unparsed: Default::default(),
};
Ok(note)
}
fn to_tombstone(&self) -> Result<Tombstone, LemmyError> {
create_tombstone(
self.deleted,
self.ap_id.to_owned().into(),
self.updated,
NoteType::Note,
)
}
}
#[async_trait::async_trait(?Send)]
impl FromApub for ApubPrivateMessage {
type ApubType = Note;
type DataType = LemmyContext;
async fn from_apub(
note: &Note,
context: &LemmyContext,
expected_domain: &Url,
request_counter: &mut i32,
) -> Result<ApubPrivateMessage, LemmyError> {
let ap_id = Some(note.id(expected_domain)?.clone().into());
let creator = note
.attributed_to
.dereference(context, request_counter)
.await?;
let recipient = note.to.dereference(context, request_counter).await?;
let form = PrivateMessageForm {
creator_id: creator.id,
recipient_id: recipient.id,
content: note.source.content.clone(),
published: Some(note.published.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())
}
}