lemmy/server/src/apub/mod.rs

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3.8 KiB
Rust
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pub mod activities;
pub mod community;
pub mod community_inbox;
pub mod fetcher;
pub mod post;
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pub mod signatures;
pub mod user;
pub mod user_inbox;
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use activitystreams::{
context, public, BaseBox,
actor::{
Actor,
Person,
Group,
properties::ApActorProperties,
},
activity::{Accept, Create, Follow, Update},
object::{
Page,
properties::ObjectProperties,
},
ext::{
Ext,
Extensible,
Extension,
},
collection::{
UnorderedCollection,
OrderedCollection,
},
};
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use actix_web::body::Body;
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use actix_web::{web, Result, HttpRequest, HttpResponse};
use actix_web::web::Path;
use url::Url;
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use failure::Error;
use failure::_core::fmt::Debug;
use log::debug;
use isahc::prelude::*;
use diesel::result::Error::NotFound;
use diesel::PgConnection;
use http::request::Builder;
use http_signature_normalization::Config;
use openssl::hash::MessageDigest;
use openssl::sign::{Signer, Verifier};
use openssl::{pkey::PKey, rsa::Rsa};
use serde::{Deserialize, Serialize};
use std::collections::BTreeMap;
use std::time::Duration;
use crate::routes::{DbPoolParam, ChatServerParam};
use crate::routes::nodeinfo::{NodeInfo, NodeInfoWellKnown};
use crate::{convert_datetime, naive_now, Settings};
use crate::db::community::{Community, CommunityForm, CommunityFollower, CommunityFollowerForm};
use crate::db::community_view::{CommunityFollowerView, CommunityView};
use crate::db::post::{Post, PostForm};
use crate::db::post_view::PostView;
use crate::db::user::{UserForm, User_};
use crate::db::user_view::UserView;
// TODO check on unpooled connection
use crate::db::{Crud, Followable, SearchType, establish_unpooled_connection};
use crate::api::site::SearchResponse;
use signatures::{PublicKey, PublicKeyExtension, sign};
use activities::accept_follow;
use signatures::verify;
use fetcher::{fetch_remote_object, get_or_fetch_and_upsert_remote_user, get_or_fetch_and_upsert_remote_community};
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type GroupExt = Ext<Ext<Group, ApActorProperties>, PublicKeyExtension>;
type PersonExt = Ext<Ext<Person, ApActorProperties>, PublicKeyExtension>;
pub static APUB_JSON_CONTENT_TYPE: &str = "application/activity+json";
pub enum EndpointType {
Community,
User,
Post,
Comment,
}
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/// Convert the data to json and turn it into an HTTP Response with the correct ActivityPub
/// headers.
fn create_apub_response<T>(data: &T) -> HttpResponse<Body>
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where
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T: Serialize,
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{
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HttpResponse::Ok()
.content_type(APUB_JSON_CONTENT_TYPE)
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.json(data)
}
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/// Generates the ActivityPub ID for a given object type and name.
///
/// TODO: we will probably need to change apub endpoint urls so that html and activity+json content
/// types are handled at the same endpoint, so that you can copy the url into mastodon search
/// and have it fetch the object.
pub fn make_apub_endpoint(endpoint_type: EndpointType, name: &str) -> Url {
let point = match endpoint_type {
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EndpointType::Community => "c",
EndpointType::User => "u",
EndpointType::Post => "post",
// TODO I have to change this else my update advanced_migrations crashes the
// server if a comment exists.
EndpointType::Comment => "comment",
};
Url::parse(&format!(
"{}://{}/{}/{}",
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get_apub_protocol_string(),
Settings::get().hostname,
point,
name
))
.unwrap()
}
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pub fn get_apub_protocol_string() -> &'static str {
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if Settings::get().federation.tls_enabled {
"https"
} else {
"http"
}
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}
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// Checks if the ID has a valid format, correct scheme, and is in the whitelist.
fn is_apub_id_valid(apub_id: &Url) -> bool {
if apub_id.scheme() != get_apub_protocol_string() {
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return false;
}
let whitelist: Vec<String> = Settings::get()
.federation
.instance_whitelist
.split(',')
.map(|d| d.to_string())
.collect();
match apub_id.domain() {
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Some(d) => whitelist.contains(&d.to_owned()),
None => false,
}
}