2022-12-10 18:15:32 +00:00
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use super::{
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actor::{self, ID},
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conversation_context, db, federate, gen_converation_id,
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types::{ArticleExt, Conversation},
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util::{accept, rewrite_srcs},
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DOMAIN,
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};
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use crate::generator::{HtmlContent, Post};
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use activitystreams::{
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activity::Create,
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context,
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iri_string::types::IriString,
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object::{Article, ObjectExt},
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prelude::{BaseExt, ExtendsExt},
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public,
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time::OffsetDateTime,
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};
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use axum::{body::Body, http::Request, response::IntoResponse};
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use log::{error, info};
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use mime::Mime;
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use once_cell::sync::Lazy;
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use sqlx::SqlitePool;
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use url::Url;
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pub async fn insert_posts(posts: &[Post<HtmlContent>], pool: &SqlitePool) {
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let existing = sqlx::query!("select id from articles")
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.fetch_all(pool)
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.await
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.unwrap();
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for post in posts.iter() {
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let id = format!("https://{}{}", *DOMAIN, post.comments_permalink());
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if existing.iter().any(|e| e.id == id) {
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continue;
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}
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let mut article = ArticleExt::new(Article::new(), Conversation::new());
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article.add_context(context());
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article.add_context(conversation_context());
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article.set_id(id.parse::<IriString>().unwrap());
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article.set_attributed_to(ID.clone());
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article.set_published(
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OffsetDateTime::from_unix_timestamp(post.metadata.date.timestamp())
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.expect("convert chrono::DateTime to time::OffsetDateTime"),
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);
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article.ext_one.conversation = Some(gen_converation_id());
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article.add_to(public());
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article.add_cc(actor::FOLLOWERS.clone());
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article.set_name(post.metadata.title.clone());
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let content = post.content.html();
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let content_with_absolute_srcs = rewrite_srcs::rewrite(&content, &Url::parse(&id).unwrap());
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article.set_content(content_with_absolute_srcs);
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let conversation = article.ext_one.conversation.as_ref().unwrap();
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let article_json: String = serde_json::to_string_pretty(&article).unwrap();
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sqlx::query!("insert into articles (id, conversation, has_federated, article_object) values (?1, ?2, false, ?3)", id, conversation, article_json)
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.execute(pool)
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.await.unwrap();
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}
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}
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static AP_JSON: Lazy<Mime> = Lazy::new(|| "application/activity+json".parse::<Mime>().unwrap());
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static LD_JSON: Lazy<Mime> = Lazy::new(|| "application/ld+json".parse::<Mime>().unwrap());
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pub async fn handle(request: &Request<Body>) -> Option<impl IntoResponse> {
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let mimes = [&*AP_JSON, &*LD_JSON, &mime::APPLICATION_JSON];
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let best = accept::best_match(request.headers(), &mimes);
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match best {
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Some(t) if t == &*AP_JSON || t == &*LD_JSON || *t == mime::APPLICATION_JSON => {
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let pool = request.extensions().get::<SqlitePool>().unwrap();
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2023-01-03 19:16:14 +00:00
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if let Some(article_json) = db::get_article_for_path(request.uri().path(), pool).await {
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2022-12-10 18:15:32 +00:00
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let headers = [("Content-Type", best.unwrap().to_string())];
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Some((headers, article_json).into_response())
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} else {
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None
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}
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}
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_ => None,
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}
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}
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pub async fn federate_outgoing(pool: &SqlitePool) -> anyhow::Result<()> {
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let articles_objs = db::get_unfederated_articles(pool).await?;
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let followers = db::get_followers(pool).await?;
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let mut inboxes = vec![];
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for actor in followers {
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let inbox = actor
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.shared_inbox
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.clone()
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.unwrap_or_else(|| actor.inbox.clone());
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if !inboxes.contains(&inbox) {
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inboxes.push(inbox);
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}
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}
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for (article_id, article_obj) in articles_objs {
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info!("Federating out article {}", article_id);
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let article = serde_json::from_str::<Article>(&article_obj)?;
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let to = article.to().unwrap().clone().many().unwrap();
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let cc = article.cc().unwrap().clone().many().unwrap();
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let mut create = Create::new(ID.as_str(), article.into_any_base()?);
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create.add_context(context());
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create.add_context(conversation_context());
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create.set_many_tos(to);
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create.set_many_ccs(cc);
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for inbox in &inboxes {
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match federate::sign_and_send(&create, inbox).await {
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Ok(()) => (),
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Err(e) => error!(
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"federating outbound article {} to {}: {:?}",
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article_id, inbox, e
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),
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}
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}
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db::set_has_federated(&article_id, true, pool).await?;
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}
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Ok(())
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}
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