ap-relay 0.3.125

A simple activitypub relay
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use crate::{
    admin::{AllowedDomains, BlockedDomains, ConnectedActors, Domains, Follow, LastSeen},
    collector::{MemoryCollector, Snapshot},
    config::{Config, UrlKind},
    data::ActorCache,
    error::{Error, ErrorKind},
    extractors::Admin,
    jobs::{Deliver, JobServer},
    requests::Requests,
};
use actix_web::{
    web::{Data, Json},
    HttpResponse,
};
use std::collections::{BTreeMap, BTreeSet};
use time::OffsetDateTime;

pub(crate) async fn allow(
    admin: Admin,
    Json(Domains { domains }): Json<Domains>,
) -> Result<HttpResponse, Error> {
    admin.db_ref().add_allows(domains).await?;

    Ok(HttpResponse::NoContent().finish())
}

pub(crate) async fn disallow(
    admin: Admin,
    Json(Domains { domains }): Json<Domains>,
) -> Result<HttpResponse, Error> {
    admin.db_ref().remove_allows(domains).await?;

    Ok(HttpResponse::NoContent().finish())
}

pub(crate) async fn block(
    admin: Admin,
    Json(Domains { domains }): Json<Domains>,
) -> Result<HttpResponse, Error> {
    admin.db_ref().add_blocks(domains).await?;

    Ok(HttpResponse::NoContent().finish())
}

pub(crate) async fn unblock(
    admin: Admin,
    Json(Domains { domains }): Json<Domains>,
) -> Result<HttpResponse, Error> {
    admin.db_ref().remove_blocks(domains).await?;

    Ok(HttpResponse::NoContent().finish())
}

pub(crate) async fn allowed(admin: Admin) -> Result<Json<AllowedDomains>, Error> {
    let allowed_domains = admin.db_ref().allows().await?;

    Ok(Json(AllowedDomains { allowed_domains }))
}

pub(crate) async fn blocked(admin: Admin) -> Result<Json<BlockedDomains>, Error> {
    let blocked_domains = admin.db_ref().blocks().await?;

    Ok(Json(BlockedDomains { blocked_domains }))
}

pub(crate) async fn connected(admin: Admin) -> Result<Json<ConnectedActors>, Error> {
    let connected_actors = admin.db_ref().connected_ids().await?;

    Ok(Json(ConnectedActors { connected_actors }))
}

pub(crate) async fn stats(
    _admin: Admin,
    collector: Data<MemoryCollector>,
) -> Result<Json<Snapshot>, Error> {
    Ok(Json(collector.snapshot()))
}

pub(crate) async fn last_seen(admin: Admin) -> Result<Json<LastSeen>, Error> {
    let nodes = admin.db_ref().last_seen().await?;

    let mut last_seen: BTreeMap<OffsetDateTime, BTreeSet<String>> = BTreeMap::new();
    let mut never = Vec::new();

    for (domain, datetime) in nodes {
        if let Some(datetime) = datetime {
            last_seen.entry(datetime).or_default().insert(domain);
        } else {
            never.push(domain);
        }
    }

    Ok(Json(LastSeen { last_seen, never }))
}

pub(crate) async fn follow(
    admin: Admin,
    config: Data<Config>,
    jobs: Data<JobServer>,
    actors: Data<ActorCache>,
    requests: Data<Requests>,
    follow: Json<Follow>,
) -> Result<HttpResponse, Error> {
    if !admin.db_ref().is_allowed(follow.actor.clone()).await? {
        return Err(ErrorKind::NotAllowed(follow.actor.to_string()).into());
    }

    let my_id = config.generate_url(UrlKind::Actor);

    let actor = actors.get(&follow.actor, &requests).await?.into_inner();

    let follow = crate::jobs::apub::generate_follow(&config, &actor.id, &my_id)?;
    jobs.queue(Deliver::new(actor.inbox.clone(), follow)?)
        .await?;

    Ok(HttpResponse::NoContent().finish())
}