2020-04-09 19:04:31 +00:00
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pub mod activities;
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2019-12-19 21:59:13 +00:00
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pub mod community;
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2020-04-15 18:12:25 +00:00
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pub mod community_inbox;
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2020-04-10 11:37:35 +00:00
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pub mod fetcher;
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2019-12-19 21:59:13 +00:00
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pub mod post;
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2020-04-10 13:50:40 +00:00
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pub mod signatures;
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2019-12-19 21:59:13 +00:00
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pub mod user;
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2020-04-15 18:12:25 +00:00
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pub mod user_inbox;
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2020-04-10 13:50:40 +00:00
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use crate::apub::signatures::PublicKeyExtension;
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2019-12-19 21:59:13 +00:00
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use crate::Settings;
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2020-04-07 21:02:32 +00:00
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use activitystreams::actor::{properties::ApActorProperties, Group, Person};
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2020-04-03 05:02:43 +00:00
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use activitystreams::ext::Ext;
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2020-03-16 17:30:25 +00:00
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use actix_web::body::Body;
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use actix_web::HttpResponse;
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2020-04-10 12:45:48 +00:00
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use openssl::{pkey::PKey, rsa::Rsa};
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2020-04-17 15:33:55 +00:00
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use serde::ser::Serialize;
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2020-03-12 00:01:25 +00:00
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use url::Url;
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2019-12-19 21:59:13 +00:00
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2020-04-10 13:50:40 +00:00
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type GroupExt = Ext<Ext<Group, ApActorProperties>, PublicKeyExtension>;
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type PersonExt = Ext<Ext<Person, ApActorProperties>, PublicKeyExtension>;
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2020-04-03 05:02:43 +00:00
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2020-04-07 15:29:23 +00:00
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static APUB_JSON_CONTENT_TYPE: &str = "application/activity+json";
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2020-04-08 16:22:44 +00:00
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pub enum EndpointType {
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Community,
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User,
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Post,
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Comment,
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}
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2020-04-17 15:33:55 +00:00
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/// Convert the data to json and turn it into an HTTP Response with the correct ActivityPub
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/// headers.
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fn create_apub_response<T>(data: &T) -> HttpResponse<Body>
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2020-03-19 01:16:17 +00:00
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where
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2020-04-17 15:33:55 +00:00
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T: Serialize,
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2020-03-19 01:16:17 +00:00
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{
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2020-03-16 17:30:25 +00:00
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HttpResponse::Ok()
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2020-04-07 15:29:23 +00:00
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.content_type(APUB_JSON_CONTENT_TYPE)
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2020-04-17 15:33:55 +00:00
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.json(data)
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2019-12-19 21:59:13 +00:00
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}
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2020-04-17 15:33:55 +00:00
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/// Generates the ActivityPub ID for a given object type and name.
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///
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/// TODO: we will probably need to change apub endpoint urls so that html and activity+json content
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/// types are handled at the same endpoint, so that you can copy the url into mastodon search
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/// and have it fetch the object.
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2020-04-03 04:12:05 +00:00
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pub fn make_apub_endpoint(endpoint_type: EndpointType, name: &str) -> Url {
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2020-03-16 18:19:04 +00:00
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let point = match endpoint_type {
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2020-04-07 15:34:44 +00:00
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EndpointType::Community => "c",
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EndpointType::User => "u",
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EndpointType::Post => "p",
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2020-04-14 19:12:19 +00:00
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// TODO I have to change this else my update advanced_migrations crashes the
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// server if a comment exists.
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EndpointType::Comment => "comment",
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2020-03-16 18:19:04 +00:00
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};
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2020-03-12 00:01:25 +00:00
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Url::parse(&format!(
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2020-02-29 17:38:47 +00:00
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"{}://{}/federation/{}/{}",
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get_apub_protocol_string(),
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2019-12-19 21:59:13 +00:00
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Settings::get().hostname,
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point,
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2020-03-16 18:19:04 +00:00
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name
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2020-03-12 00:01:25 +00:00
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))
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.unwrap()
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2019-12-19 21:59:13 +00:00
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}
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2020-02-29 17:38:47 +00:00
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2020-03-18 15:08:08 +00:00
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pub fn get_apub_protocol_string() -> &'static str {
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2020-03-18 21:09:00 +00:00
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if Settings::get().federation.tls_enabled {
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"https"
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} else {
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"http"
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}
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2020-02-29 17:38:47 +00:00
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}
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2020-04-03 04:12:05 +00:00
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2020-04-17 15:33:55 +00:00
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/// Generate the asymmetric keypair for ActivityPub HTTP signatures.
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pub fn gen_keypair_str() -> (String, String) {
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2020-04-03 04:12:05 +00:00
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let rsa = Rsa::generate(2048).expect("sign::gen_keypair: key generation error");
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let pkey = PKey::from_rsa(rsa).expect("sign::gen_keypair: parsing error");
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2020-04-17 15:33:55 +00:00
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let public_key = pkey
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.public_key_to_pem()
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.expect("sign::gen_keypair: public key encoding error");
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let private_key = pkey
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.private_key_to_pem_pkcs8()
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.expect("sign::gen_keypair: private key encoding error");
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2020-04-03 04:12:05 +00:00
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(vec_bytes_to_str(public_key), vec_bytes_to_str(private_key))
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}
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fn vec_bytes_to_str(bytes: Vec<u8>) -> String {
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String::from_utf8_lossy(&bytes).into_owned()
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}
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2020-04-17 17:34:18 +00:00
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// Checks if the ID has a valid format, correct scheme, and is in the whitelist.
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fn is_apub_id_valid(apub_id: &str) -> bool {
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let url = match Url::parse(apub_id) {
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Ok(u) => u,
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Err(_) => return false,
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};
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if url.scheme() != get_apub_protocol_string() {
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return false;
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}
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let whitelist: Vec<String> = Settings::get()
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.federation
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.instance_whitelist
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.split(',')
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.map(|d| d.to_string())
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.collect();
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match url.domain() {
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Some(d) => whitelist.contains(&d.to_owned()),
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None => false,
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}
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}
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