2020-03-30 17:10:04 +00:00
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use crate::{
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apub::AcceptedObjects,
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config::{Config, UrlKind},
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data::Actor,
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error::MyError,
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jobs::{apub::prepare_activity, Deliver, JobState},
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};
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use activitystreams::primitives::XsdAnyUri;
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2020-04-21 00:56:50 +00:00
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use background_jobs::ActixJob;
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2020-03-30 17:10:04 +00:00
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use std::{future::Future, pin::Pin};
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#[derive(Clone, Debug, serde::Deserialize, serde::Serialize)]
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pub struct Follow {
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is_listener: bool,
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input: AcceptedObjects,
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actor: Actor,
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}
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impl Follow {
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pub fn new(is_listener: bool, input: AcceptedObjects, actor: Actor) -> Self {
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Follow {
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is_listener,
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input,
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actor,
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}
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}
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async fn perform(self, state: JobState) -> Result<(), anyhow::Error> {
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if !self.is_listener {
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state.db.add_listener(self.actor.inbox.clone()).await?;
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}
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let my_id: XsdAnyUri = state.config.generate_url(UrlKind::Actor).parse()?;
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// if following relay directly, not just following 'public', followback
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if self.input.object.is(&my_id) && !state.actors.is_following(&self.actor.id).await {
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let follow = generate_follow(&state.config, &self.actor.id, &my_id)?;
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state
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.job_server
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.queue(Deliver::new(self.actor.inbox.clone(), follow)?)?;
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}
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state.actors.follower(&self.actor).await?;
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let accept = generate_accept_follow(&state.config, &self.actor.id, &self.input.id, &my_id)?;
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state
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.job_server
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.queue(Deliver::new(self.actor.inbox, accept)?)?;
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Ok(())
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}
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}
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// Generate a type that says "I want to follow you"
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fn generate_follow(
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config: &Config,
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actor_id: &XsdAnyUri,
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my_id: &XsdAnyUri,
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) -> Result<activitystreams::activity::Follow, MyError> {
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let mut follow = activitystreams::activity::Follow::default();
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follow
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.follow_props
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.set_object_xsd_any_uri(actor_id.clone())?
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.set_actor_xsd_any_uri(my_id.clone())?;
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prepare_activity(
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follow,
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config.generate_url(UrlKind::Activity),
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actor_id.clone(),
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)
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}
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// Generate a type that says "I accept your follow request"
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fn generate_accept_follow(
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config: &Config,
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actor_id: &XsdAnyUri,
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input_id: &XsdAnyUri,
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my_id: &XsdAnyUri,
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) -> Result<activitystreams::activity::Accept, MyError> {
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let mut accept = activitystreams::activity::Accept::default();
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accept
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.accept_props
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.set_actor_xsd_any_uri(my_id.clone())?
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.set_object_base_box({
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let mut follow = activitystreams::activity::Follow::default();
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follow.object_props.set_id(input_id.clone())?;
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follow
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.follow_props
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.set_object_xsd_any_uri(my_id.clone())?
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.set_actor_xsd_any_uri(actor_id.clone())?;
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follow
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})?;
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prepare_activity(
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accept,
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config.generate_url(UrlKind::Activity),
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actor_id.clone(),
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)
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}
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impl ActixJob for Follow {
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type State = JobState;
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type Future = Pin<Box<dyn Future<Output = Result<(), anyhow::Error>>>>;
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2020-04-21 01:03:46 +00:00
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const NAME: &'static str = "relay::jobs::apub::Follow";
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2020-04-21 00:56:50 +00:00
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2020-03-30 17:10:04 +00:00
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fn run(self, state: Self::State) -> Self::Future {
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Box::pin(self.perform(state))
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}
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}
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