pub mod community; pub mod post; pub mod puller; pub mod user; use crate::Settings; use openssl::{pkey::PKey, rsa::Rsa}; use activitystreams::actor::{properties::ApActorProperties, Group}; use activitystreams::ext::Ext; use actix_web::body::Body; use actix_web::HttpResponse; use url::Url; type GroupExt = Ext; fn create_apub_response(json: &T) -> HttpResponse where T: serde::ser::Serialize, { HttpResponse::Ok() .content_type("application/activity+json") .json(json) } pub enum EndpointType { Community, User, Post, } pub fn make_apub_endpoint(endpoint_type: EndpointType, name: &str) -> Url { let point = match endpoint_type { EndpointType::Community => "c", EndpointType::User => "u", EndpointType::Post => "p", }; Url::parse(&format!( "{}://{}/federation/{}/{}", get_apub_protocol_string(), Settings::get().hostname, point, name )) .unwrap() } pub fn get_apub_protocol_string() -> &'static str { if Settings::get().federation.tls_enabled { "https" } else { "http" } } pub fn gen_keypair() -> (Vec, Vec) { let rsa = Rsa::generate(2048).expect("sign::gen_keypair: key generation error"); let pkey = PKey::from_rsa(rsa).expect("sign::gen_keypair: parsing error"); ( pkey .public_key_to_pem() .expect("sign::gen_keypair: public key encoding error"), pkey .private_key_to_pem_pkcs8() .expect("sign::gen_keypair: private key encoding error"), ) } pub fn gen_keypair_str() -> (String, String) { let (public_key, private_key) = gen_keypair(); (vec_bytes_to_str(public_key), vec_bytes_to_str(private_key)) } fn vec_bytes_to_str(bytes: Vec) -> String { String::from_utf8_lossy(&bytes).into_owned() } /// If community is on local instance, don't include the @instance part. This is only for displaying /// to the user and should never be used otherwise. pub fn format_community_name(name: &str, instance: &str) -> String { if instance == Settings::get().hostname { format!("!{}", name) } else { format!("!{}@{}", name, instance) } } pub fn get_following_instances() -> Vec<&'static str> { Settings::get() .federation .followed_instances .split(',') .collect() } /// Returns a tuple of (username, domain) from an identifier like "main@dev.lemmy.ml" fn split_identifier(identifier: &str) -> (String, String) { let x: Vec<&str> = identifier.split('@').collect(); (x[0].replace("!", ""), x[1].to_string()) } fn get_remote_community_uri(identifier: &str) -> String { let (name, domain) = split_identifier(identifier); format!("http://{}/federation/c/{}", domain, name) }