lemmy/server/src/apub/activities.rs

48 lines
1.6 KiB
Rust

use crate::apub::{extensions::signatures::sign, is_apub_id_valid, ActorType};
use activitystreams::{context, object::properties::ObjectProperties, public};
use failure::{Error, _core::fmt::Debug};
use isahc::prelude::*;
use log::debug;
use serde::Serialize;
use url::Url;
pub fn populate_object_props(
props: &mut ObjectProperties,
addressed_ccs: Vec<String>,
object_id: &str,
) -> Result<(), Error> {
props
.set_context_xsd_any_uri(context())?
// TODO: the activity needs a seperate id from the object
.set_id(object_id)?
// TODO: should to/cc go on the Create, or on the Post? or on both?
// TODO: handle privacy on the receiving side (at least ignore anything thats not public)
.set_to_xsd_any_uri(public())?
.set_many_cc_xsd_any_uris(addressed_ccs)?;
Ok(())
}
/// Send an activity to a list of recipients, using the correct headers etc.
pub fn send_activity<A>(activity: &A, actor: &dyn ActorType, to: Vec<String>) -> Result<(), Error>
where
A: Serialize + Debug,
{
let json = serde_json::to_string(&activity)?;
debug!("Sending activitypub activity {} to {:?}", json, to);
for t in to {
let to_url = Url::parse(&t)?;
if !is_apub_id_valid(&to_url) {
debug!("Not sending activity to {} (invalid or blacklisted)", t);
continue;
}
let request = Request::post(t).header("Host", to_url.domain().unwrap());
let signature = sign(&request, actor)?;
let res = request
.header("Signature", signature)
.header("Content-Type", "application/json")
.body(json.to_owned())?
.send()?;
debug!("Result for activity send: {:?}", res);
}
Ok(())
}