activitypub-federation-rust/examples/live_federation/objects/post.rs
2023-03-16 21:41:43 +01:00

104 lines
2.9 KiB
Rust

use crate::{
activities::create_post::CreatePost,
database::DatabaseHandle,
error::Error,
generate_object_id,
objects::person::DbUser,
};
use activitypub_federation::{
config::Data,
fetch::object_id::ObjectId,
kinds::{object::NoteType, public},
protocol::{helpers::deserialize_one_or_many, verification::verify_domains_match},
traits::{Actor, Object},
};
use activitystreams_kinds::link::MentionType;
use serde::{Deserialize, Serialize};
use url::Url;
#[derive(Clone, Debug)]
pub struct DbPost {
pub text: String,
pub ap_id: ObjectId<DbPost>,
pub creator: ObjectId<DbUser>,
pub local: bool,
}
#[derive(Deserialize, Serialize, Debug)]
#[serde(rename_all = "camelCase")]
pub struct Note {
#[serde(rename = "type")]
kind: NoteType,
id: ObjectId<DbPost>,
pub(crate) attributed_to: ObjectId<DbUser>,
#[serde(deserialize_with = "deserialize_one_or_many")]
pub(crate) to: Vec<Url>,
content: String,
in_reply_to: Option<ObjectId<DbPost>>,
tag: Vec<Mention>,
}
#[derive(Clone, Debug, Deserialize, Serialize)]
pub struct Mention {
pub href: Url,
#[serde(rename = "type")]
pub kind: MentionType,
}
#[async_trait::async_trait]
impl Object for DbPost {
type DataType = DatabaseHandle;
type Kind = Note;
type Error = Error;
async fn read_from_id(
_object_id: Url,
_data: &Data<Self::DataType>,
) -> Result<Option<Self>, Self::Error> {
Ok(None)
}
async fn into_json(self, _data: &Data<Self::DataType>) -> Result<Self::Kind, Self::Error> {
unimplemented!()
}
async fn verify(
json: &Self::Kind,
expected_domain: &Url,
_data: &Data<Self::DataType>,
) -> Result<(), Self::Error> {
verify_domains_match(json.id.inner(), expected_domain)?;
Ok(())
}
async fn from_json(json: Self::Kind, data: &Data<Self::DataType>) -> Result<Self, Self::Error> {
println!(
"Received post with content {} and id {}",
&json.content, &json.id
);
let creator = json.attributed_to.dereference(data).await?;
let post = DbPost {
text: json.content,
ap_id: json.id.clone(),
creator: json.attributed_to.clone(),
local: false,
};
let mention = Mention {
href: creator.ap_id.clone().into_inner(),
kind: Default::default(),
};
let note = Note {
kind: Default::default(),
id: generate_object_id(data.domain())?.into(),
attributed_to: data.local_user().ap_id,
to: vec![public()],
content: format!("Hello {}", creator.name),
in_reply_to: Some(json.id.clone()),
tag: vec![mention],
};
CreatePost::send(note, creator.shared_inbox_or_inbox(), data).await?;
Ok(post)
}
}