mirror of
https://github.com/LemmyNet/activitypub-federation-rust
synced 2024-11-27 13:51:29 +00:00
No default feature, rename to actix-web, merge examples
This commit is contained in:
parent
83ad4bfdc1
commit
5a5c015bfc
33 changed files with 276 additions and 842 deletions
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@ -48,11 +48,11 @@ steps:
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CARGO_HOME: .cargo
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RUST_BACKTRACE: 1
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commands:
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- cargo run --example simple_federation_actix
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- cargo run --example simple_federation --features actix-web
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- name: cargo run axum
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image: rust:1.65-bullseye
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environment:
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CARGO_HOME: .cargo
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RUST_BACKTRACE: 1
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commands:
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- cargo run --example simple_federation_axum --features axum
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- cargo run --example simple_federation --features axum
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28
Cargo.toml
28
Cargo.toml
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@ -37,24 +37,21 @@ bytes = "1.3.0"
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futures-core = { version = "0.3.25", default-features = false }
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pin-project-lite = "0.2.9"
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# Actix-web
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actix-web = { version = "4.2.1", default-features = false, optional = true }
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axum = { version = "0.6.0", features = ["json", "headers", "macros", "original-uri"], optional = true }
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# Axum
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tower-http = { version = "0.3", features = ["map-request-body", "util", "trace"], optional = true }
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axum = { version = "0.6.0", features = ["json", "headers", "macros", "original-uri"], optional = true }
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tower = { version = "0.4.13", optional = true }
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hyper = { version = "0.14", optional = true }
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tracing-subscriber = { version = "0.3", features = ["env-filter"], optional = true }
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[features]
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default = ["actix"]
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actix = ["dep:actix-web"]
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default = []
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actix-web = ["dep:actix-web"]
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axum = [
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"dep:axum",
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"dep:tower-http",
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"dep:tower",
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"dep:hyper",
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"dep:tracing-subscriber",
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]
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[dev-dependencies]
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@ -63,14 +60,13 @@ rand = "0.8.5"
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actix-rt = "2.7.0"
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tokio = { version = "1.21.2", features = ["full"] }
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env_logger = { version = "0.9.3", default-features = false }
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tracing-subscriber = { version = "0.3", features = ["env-filter"] }
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tower-http = { version = "0.3", features = ["map-request-body", "util", "trace"] }
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[profile.dev]
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strip = "symbols"
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debug = 0
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[[example]]
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name = "simple_federation_actix"
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path = "examples/federation-actix/main.rs"
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required-features = ["actix"]
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[[example]]
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name = "simple_federation_axum"
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path = "examples/federation-axum/main.rs"
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required-features = ["axum"]
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name = "simple_federation"
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path = "examples/simple_federation/main.rs"
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@ -1,123 +0,0 @@
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use crate::{
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error::Error,
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generate_object_id,
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objects::{
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note::MyPost,
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person::{MyUser, PersonAcceptedActivities},
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},
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};
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use activitypub_federation::{
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core::{
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actix::inbox::receive_activity,
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object_id::ObjectId,
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signatures::generate_actor_keypair,
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},
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deser::context::WithContext,
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request_data::{ApubContext, ApubMiddleware, RequestData},
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traits::ApubObject,
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FederationSettings,
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InstanceConfig,
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UrlVerifier,
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APUB_JSON_CONTENT_TYPE,
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};
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use actix_web::{web, App, HttpRequest, HttpResponse, HttpServer};
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use async_trait::async_trait;
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use reqwest::Client;
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use std::sync::{Arc, Mutex};
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use tokio::task;
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use url::Url;
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pub type DatabaseHandle = Arc<Database>;
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/// Our "database" which contains all known posts users (local and federated)
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pub struct Database {
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pub users: Mutex<Vec<MyUser>>,
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pub posts: Mutex<Vec<MyPost>>,
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}
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/// Use this to store your federation blocklist, or a database connection needed to retrieve it.
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#[derive(Clone)]
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struct MyUrlVerifier();
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#[async_trait]
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impl UrlVerifier for MyUrlVerifier {
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async fn verify(&self, url: &Url) -> Result<(), &'static str> {
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if url.domain() == Some("malicious.com") {
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Err("malicious domain")
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} else {
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Ok(())
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}
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}
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}
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impl Database {
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pub fn new(hostname: String) -> Result<ApubContext<DatabaseHandle>, Error> {
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let settings = FederationSettings::builder()
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.debug(true)
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.url_verifier(Box::new(MyUrlVerifier()))
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.build()?;
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let local_instance =
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InstanceConfig::new(hostname.clone(), Client::default().into(), settings);
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let local_user = MyUser::new(generate_object_id(&hostname)?, generate_actor_keypair()?);
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let instance = Arc::new(Database {
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users: Mutex::new(vec![local_user]),
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posts: Mutex::new(vec![]),
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});
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Ok(ApubContext::new(instance, local_instance))
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}
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pub fn local_user(&self) -> MyUser {
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self.users.lock().unwrap().first().cloned().unwrap()
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}
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pub fn listen(data: &ApubContext<DatabaseHandle>) -> Result<(), Error> {
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let hostname = data.local_instance().hostname();
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let data = data.clone();
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let server = HttpServer::new(move || {
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App::new()
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.wrap(ApubMiddleware::new(data.clone()))
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.route("/objects/{user_name}", web::get().to(http_get_user))
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.service(
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web::scope("")
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// Just a single, global inbox for simplicity
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.route("/inbox", web::post().to(http_post_user_inbox)),
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)
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})
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.bind(hostname)?
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.run();
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task::spawn(server);
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Ok(())
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}
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}
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/// Handles requests to fetch user json over HTTP
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async fn http_get_user(
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request: HttpRequest,
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data: RequestData<DatabaseHandle>,
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) -> Result<HttpResponse, Error> {
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let hostname: String = data.local_instance().hostname().to_string();
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let request_url = format!("http://{}{}", hostname, &request.uri().to_string());
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let url = Url::parse(&request_url)?;
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let user = ObjectId::<MyUser>::new(url)
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.dereference_local(&data)
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.await?
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.into_apub(&data)
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.await?;
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Ok(HttpResponse::Ok()
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.content_type(APUB_JSON_CONTENT_TYPE)
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.json(WithContext::new_default(user)))
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}
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/// Handles messages received in user inbox
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async fn http_post_user_inbox(
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request: HttpRequest,
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payload: String,
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data: RequestData<DatabaseHandle>,
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) -> Result<HttpResponse, Error> {
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let activity = serde_json::from_str(&payload)?;
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receive_activity::<WithContext<PersonAcceptedActivities>, MyUser, DatabaseHandle>(
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request, activity, &data,
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)
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.await
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}
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@ -1,86 +0,0 @@
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use crate::{generate_object_id, instance::DatabaseHandle, objects::person::MyUser};
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use activitypub_federation::{
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core::object_id::ObjectId,
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deser::helpers::deserialize_one_or_many,
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request_data::RequestData,
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traits::ApubObject,
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};
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use activitystreams_kinds::{object::NoteType, public};
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use serde::{Deserialize, Serialize};
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use url::Url;
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#[derive(Clone, Debug)]
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pub struct MyPost {
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pub text: String,
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pub ap_id: ObjectId<MyPost>,
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pub creator: ObjectId<MyUser>,
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pub local: bool,
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}
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impl MyPost {
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pub fn new(text: String, creator: ObjectId<MyUser>) -> MyPost {
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MyPost {
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text,
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ap_id: ObjectId::new(generate_object_id(creator.inner().domain().unwrap()).unwrap()),
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creator,
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local: true,
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}
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}
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}
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#[derive(Deserialize, Serialize, Debug)]
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#[serde(rename_all = "camelCase")]
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pub struct Note {
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#[serde(rename = "type")]
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kind: NoteType,
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id: ObjectId<MyPost>,
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pub(crate) attributed_to: ObjectId<MyUser>,
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#[serde(deserialize_with = "deserialize_one_or_many")]
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pub(crate) to: Vec<Url>,
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content: String,
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}
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#[async_trait::async_trait]
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impl ApubObject for MyPost {
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type DataType = DatabaseHandle;
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type ApubType = Note;
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type DbType = ();
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type Error = crate::error::Error;
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async fn read_from_apub_id(
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_object_id: Url,
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_data: &RequestData<Self::DataType>,
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) -> Result<Option<Self>, Self::Error> {
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todo!()
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}
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async fn into_apub(
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self,
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data: &RequestData<Self::DataType>,
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) -> Result<Self::ApubType, Self::Error> {
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let creator = self.creator.dereference_local(data).await?;
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Ok(Note {
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kind: Default::default(),
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id: self.ap_id,
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attributed_to: self.creator,
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to: vec![public(), creator.followers_url()?],
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content: self.text,
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})
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}
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async fn from_apub(
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apub: Self::ApubType,
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data: &RequestData<Self::DataType>,
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) -> Result<Self, Self::Error> {
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let post = MyPost {
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text: apub.content,
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ap_id: apub.id,
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creator: apub.attributed_to,
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local: false,
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};
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let mut lock = data.posts.lock().unwrap();
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lock.push(post.clone());
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Ok(post)
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}
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}
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@ -1,48 +0,0 @@
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use crate::{activities::follow::Follow, instance::DatabaseHandle, objects::person::MyUser};
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use activitypub_federation::{
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core::object_id::ObjectId,
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request_data::RequestData,
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traits::ActivityHandler,
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};
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use activitystreams_kinds::activity::AcceptType;
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use serde::{Deserialize, Serialize};
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use url::Url;
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#[derive(Deserialize, Serialize, Debug)]
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#[serde(rename_all = "camelCase")]
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pub struct Accept {
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actor: ObjectId<MyUser>,
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object: Follow,
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#[serde(rename = "type")]
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kind: AcceptType,
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id: Url,
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}
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impl Accept {
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pub fn new(actor: ObjectId<MyUser>, object: Follow, id: Url) -> Accept {
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Accept {
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actor,
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object,
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kind: Default::default(),
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id,
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}
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}
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}
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#[async_trait::async_trait]
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impl ActivityHandler for Accept {
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type DataType = DatabaseHandle;
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type Error = crate::error::Error;
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fn id(&self) -> &Url {
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&self.id
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}
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fn actor(&self) -> &Url {
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self.actor.inner()
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}
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async fn receive(self, _data: &RequestData<Self::DataType>) -> Result<(), Self::Error> {
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Ok(())
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}
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}
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@ -1,57 +0,0 @@
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use crate::{
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instance::DatabaseHandle,
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objects::{note::Note, person::MyUser},
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MyPost,
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};
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use activitypub_federation::{
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core::object_id::ObjectId,
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deser::helpers::deserialize_one_or_many,
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request_data::RequestData,
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traits::{ActivityHandler, ApubObject},
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};
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use activitystreams_kinds::activity::CreateType;
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use serde::{Deserialize, Serialize};
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use url::Url;
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#[derive(Deserialize, Serialize, Debug)]
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#[serde(rename_all = "camelCase")]
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pub struct CreateNote {
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pub(crate) actor: ObjectId<MyUser>,
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#[serde(deserialize_with = "deserialize_one_or_many")]
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pub(crate) to: Vec<Url>,
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pub(crate) object: Note,
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#[serde(rename = "type")]
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pub(crate) kind: CreateType,
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pub(crate) id: Url,
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}
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impl CreateNote {
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pub fn new(note: Note, id: Url) -> CreateNote {
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CreateNote {
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actor: note.attributed_to.clone(),
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to: note.to.clone(),
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object: note,
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kind: CreateType::Create,
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id,
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}
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}
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}
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#[async_trait::async_trait]
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impl ActivityHandler for CreateNote {
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type DataType = DatabaseHandle;
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type Error = crate::error::Error;
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fn id(&self) -> &Url {
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&self.id
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}
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fn actor(&self) -> &Url {
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self.actor.inner()
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}
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async fn receive(self, data: &RequestData<Self::DataType>) -> Result<(), Self::Error> {
|
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MyPost::from_apub(self.object, data).await?;
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Ok(())
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}
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}
|
|
@ -1,70 +0,0 @@
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use crate::{
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activities::accept::Accept,
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generate_object_id,
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instance::DatabaseHandle,
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objects::person::MyUser,
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};
|
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use activitypub_federation::{
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core::object_id::ObjectId,
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request_data::RequestData,
|
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traits::{ActivityHandler, Actor},
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};
|
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use activitystreams_kinds::activity::FollowType;
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use serde::{Deserialize, Serialize};
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use url::Url;
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#[derive(Deserialize, Serialize, Clone, Debug)]
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#[serde(rename_all = "camelCase")]
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pub struct Follow {
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pub(crate) actor: ObjectId<MyUser>,
|
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pub(crate) object: ObjectId<MyUser>,
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#[serde(rename = "type")]
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kind: FollowType,
|
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id: Url,
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}
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|
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impl Follow {
|
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pub fn new(actor: ObjectId<MyUser>, object: ObjectId<MyUser>, id: Url) -> Follow {
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Follow {
|
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actor,
|
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object,
|
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kind: Default::default(),
|
||||
id,
|
||||
}
|
||||
}
|
||||
}
|
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|
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#[async_trait::async_trait]
|
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impl ActivityHandler for Follow {
|
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type DataType = DatabaseHandle;
|
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type Error = crate::error::Error;
|
||||
|
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fn id(&self) -> &Url {
|
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&self.id
|
||||
}
|
||||
|
||||
fn actor(&self) -> &Url {
|
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self.actor.inner()
|
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}
|
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|
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// Ignore clippy false positive: https://github.com/rust-lang/rust-clippy/issues/6446
|
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#[allow(clippy::await_holding_lock)]
|
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async fn receive(self, data: &RequestData<Self::DataType>) -> Result<(), Self::Error> {
|
||||
// add to followers
|
||||
let local_user = {
|
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let mut users = data.users.lock().unwrap();
|
||||
let local_user = users.first_mut().unwrap();
|
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local_user.followers.push(self.actor.inner().clone());
|
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local_user.clone()
|
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};
|
||||
|
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// send back an accept
|
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let follower = self.actor.dereference(data).await?;
|
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let id = generate_object_id(data.local_instance().hostname())?;
|
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let accept = Accept::new(local_user.ap_id.clone(), self, id.clone());
|
||||
local_user
|
||||
.send(accept, vec![follower.shared_inbox_or_inbox()], data)
|
||||
.await?;
|
||||
Ok(())
|
||||
}
|
||||
}
|
|
@ -1,3 +0,0 @@
|
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pub mod accept;
|
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pub mod create_note;
|
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pub mod follow;
|
|
@ -1,24 +0,0 @@
|
|||
/// Necessary because of this issue: https://github.com/actix/actix-web/issues/1711
|
||||
#[derive(Debug)]
|
||||
pub struct Error(anyhow::Error);
|
||||
|
||||
impl<T> From<T> for Error
|
||||
where
|
||||
T: Into<anyhow::Error>,
|
||||
{
|
||||
fn from(t: T) -> Self {
|
||||
Error(t.into())
|
||||
}
|
||||
}
|
||||
|
||||
mod axum {
|
||||
use super::Error;
|
||||
use axum::response::{IntoResponse, Response};
|
||||
use http::StatusCode;
|
||||
|
||||
impl IntoResponse for Error {
|
||||
fn into_response(self) -> Response {
|
||||
(StatusCode::INTERNAL_SERVER_ERROR, format!("{}", self.0)).into_response()
|
||||
}
|
||||
}
|
||||
}
|
|
@ -1,148 +0,0 @@
|
|||
use crate::{
|
||||
error::Error,
|
||||
generate_object_id,
|
||||
objects::{
|
||||
note::MyPost,
|
||||
person::{MyUser, Person, PersonAcceptedActivities},
|
||||
},
|
||||
};
|
||||
use activitypub_federation::{
|
||||
core::{
|
||||
axum::{inbox::receive_activity, json::ApubJson, verify_request_payload, DigestVerified},
|
||||
object_id::ObjectId,
|
||||
signatures::generate_actor_keypair,
|
||||
},
|
||||
deser::context::WithContext,
|
||||
request_data::{ApubContext, ApubMiddleware, RequestData},
|
||||
traits::ApubObject,
|
||||
FederationSettings,
|
||||
InstanceConfig,
|
||||
UrlVerifier,
|
||||
};
|
||||
use async_trait::async_trait;
|
||||
use axum::{
|
||||
body,
|
||||
body::Body,
|
||||
extract::{Json, OriginalUri},
|
||||
middleware,
|
||||
response::IntoResponse,
|
||||
routing::{get, post},
|
||||
Extension,
|
||||
Router,
|
||||
};
|
||||
use http::{HeaderMap, Method, Request};
|
||||
use reqwest::Client;
|
||||
use std::{
|
||||
net::ToSocketAddrs,
|
||||
sync::{Arc, Mutex},
|
||||
};
|
||||
use tokio::task;
|
||||
use tower::ServiceBuilder;
|
||||
use tower_http::{trace::TraceLayer, ServiceBuilderExt};
|
||||
use url::Url;
|
||||
|
||||
pub type DatabaseHandle = Arc<Database>;
|
||||
|
||||
/// Our "database" which contains all known posts and users (local and federated)
|
||||
pub struct Database {
|
||||
pub users: Mutex<Vec<MyUser>>,
|
||||
pub posts: Mutex<Vec<MyPost>>,
|
||||
}
|
||||
|
||||
/// Use this to store your federation blocklist, or a database connection needed to retrieve it.
|
||||
#[derive(Clone)]
|
||||
struct MyUrlVerifier();
|
||||
|
||||
#[async_trait]
|
||||
impl UrlVerifier for MyUrlVerifier {
|
||||
async fn verify(&self, url: &Url) -> Result<(), &'static str> {
|
||||
if url.domain() == Some("malicious.com") {
|
||||
Err("malicious domain")
|
||||
} else {
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Database {
|
||||
pub fn new(hostname: String) -> Result<ApubContext<DatabaseHandle>, Error> {
|
||||
let settings = FederationSettings::builder()
|
||||
.debug(true)
|
||||
.url_verifier(Box::new(MyUrlVerifier()))
|
||||
.build()?;
|
||||
let local_instance =
|
||||
InstanceConfig::new(hostname.clone(), Client::default().into(), settings);
|
||||
let local_user = MyUser::new(generate_object_id(&hostname)?, generate_actor_keypair()?);
|
||||
let instance = Arc::new(Database {
|
||||
users: Mutex::new(vec![local_user]),
|
||||
posts: Mutex::new(vec![]),
|
||||
});
|
||||
Ok(ApubContext::new(instance, local_instance))
|
||||
}
|
||||
|
||||
pub fn local_user(&self) -> MyUser {
|
||||
self.users.lock().unwrap().first().cloned().unwrap()
|
||||
}
|
||||
|
||||
pub fn listen(data: &ApubContext<DatabaseHandle>) -> Result<(), Error> {
|
||||
let hostname = data.local_instance().hostname();
|
||||
let data = data.clone();
|
||||
let app = Router::new()
|
||||
.route("/inbox", post(http_post_user_inbox))
|
||||
.layer(
|
||||
ServiceBuilder::new()
|
||||
.map_request_body(body::boxed)
|
||||
.layer(middleware::from_fn(verify_request_payload)),
|
||||
)
|
||||
.route("/objects/:user_name", get(http_get_user))
|
||||
.layer(ApubMiddleware::new(data))
|
||||
.layer(TraceLayer::new_for_http());
|
||||
|
||||
// run it
|
||||
let addr = hostname
|
||||
.to_socket_addrs()?
|
||||
.next()
|
||||
.expect("Failed to lookup domain name");
|
||||
let server = axum::Server::bind(&addr).serve(app.into_make_service());
|
||||
|
||||
task::spawn(server);
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
async fn http_get_user(
|
||||
data: RequestData<DatabaseHandle>,
|
||||
request: Request<Body>,
|
||||
) -> Result<ApubJson<WithContext<Person>>, Error> {
|
||||
let hostname: String = data.local_instance().hostname().to_string();
|
||||
let request_url = format!("http://{}{}", hostname, &request.uri());
|
||||
|
||||
let url = Url::parse(&request_url).expect("Failed to parse url");
|
||||
|
||||
let user = ObjectId::<MyUser>::new(url)
|
||||
.dereference_local(&data)
|
||||
.await?
|
||||
.into_apub(&data)
|
||||
.await?;
|
||||
|
||||
Ok(ApubJson(WithContext::new_default(user)))
|
||||
}
|
||||
|
||||
async fn http_post_user_inbox(
|
||||
headers: HeaderMap,
|
||||
method: Method,
|
||||
OriginalUri(uri): OriginalUri,
|
||||
data: RequestData<DatabaseHandle>,
|
||||
Extension(digest_verified): Extension<DigestVerified>,
|
||||
Json(activity): Json<WithContext<PersonAcceptedActivities>>,
|
||||
) -> impl IntoResponse {
|
||||
receive_activity::<WithContext<PersonAcceptedActivities>, MyUser, DatabaseHandle>(
|
||||
digest_verified,
|
||||
activity,
|
||||
&data,
|
||||
headers,
|
||||
method,
|
||||
uri,
|
||||
)
|
||||
.await
|
||||
}
|
|
@ -1,50 +0,0 @@
|
|||
use crate::{error::Error, instance::Database, objects::note::MyPost, utils::generate_object_id};
|
||||
use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
|
||||
|
||||
mod activities;
|
||||
mod error;
|
||||
mod instance;
|
||||
mod objects;
|
||||
mod utils;
|
||||
|
||||
#[actix_rt::main]
|
||||
async fn main() -> Result<(), Error> {
|
||||
tracing_subscriber::registry()
|
||||
.with(tracing_subscriber::EnvFilter::new(
|
||||
std::env::var("RUST_LOG").unwrap_or_else(|_| {
|
||||
"activitypub_federation=debug,federation-axum=debug,tower_http=debug".into()
|
||||
}),
|
||||
))
|
||||
.with(tracing_subscriber::fmt::layer())
|
||||
.init();
|
||||
|
||||
let alpha = Database::new("localhost:8001".to_string())?;
|
||||
let beta = Database::new("localhost:8002".to_string())?;
|
||||
Database::listen(&alpha)?;
|
||||
Database::listen(&beta)?;
|
||||
|
||||
// alpha user follows beta user
|
||||
alpha
|
||||
.local_user()
|
||||
.follow(&beta.local_user(), &alpha.to_request_data())
|
||||
.await?;
|
||||
|
||||
// assert that follow worked correctly
|
||||
assert_eq!(
|
||||
beta.local_user().followers(),
|
||||
&vec![alpha.local_user().ap_id.inner().clone()]
|
||||
);
|
||||
|
||||
// beta sends a post to its followers
|
||||
let sent_post = MyPost::new("hello world!".to_string(), beta.local_user().ap_id);
|
||||
beta.local_user()
|
||||
.post(sent_post.clone(), &beta.to_request_data())
|
||||
.await?;
|
||||
let received_post = alpha.posts.lock().unwrap().first().cloned().unwrap();
|
||||
|
||||
// assert that alpha received the post
|
||||
assert_eq!(received_post.text, sent_post.text);
|
||||
assert_eq!(received_post.ap_id.inner(), sent_post.ap_id.inner());
|
||||
assert_eq!(received_post.creator.inner(), sent_post.creator.inner());
|
||||
Ok(())
|
||||
}
|
|
@ -1,2 +0,0 @@
|
|||
pub mod note;
|
||||
pub mod person;
|
|
@ -1,188 +0,0 @@
|
|||
use crate::{
|
||||
activities::{accept::Accept, create_note::CreateNote, follow::Follow},
|
||||
error::Error,
|
||||
instance::DatabaseHandle,
|
||||
objects::note::MyPost,
|
||||
utils::generate_object_id,
|
||||
};
|
||||
use activitypub_federation::{
|
||||
core::{
|
||||
activity_queue::send_activity,
|
||||
object_id::ObjectId,
|
||||
signatures::{Keypair, PublicKey},
|
||||
},
|
||||
deser::context::WithContext,
|
||||
request_data::RequestData,
|
||||
traits::{ActivityHandler, Actor, ApubObject},
|
||||
};
|
||||
use activitystreams_kinds::actor::PersonType;
|
||||
use serde::{Deserialize, Serialize};
|
||||
use url::Url;
|
||||
|
||||
#[derive(Debug, Clone)]
|
||||
pub struct MyUser {
|
||||
pub ap_id: ObjectId<MyUser>,
|
||||
pub inbox: Url,
|
||||
// exists for all users (necessary to verify http signatures)
|
||||
public_key: String,
|
||||
// exists only for local users
|
||||
private_key: Option<String>,
|
||||
pub followers: Vec<Url>,
|
||||
pub local: bool,
|
||||
}
|
||||
|
||||
/// List of all activities which this actor can receive.
|
||||
#[derive(Deserialize, Serialize, Debug)]
|
||||
#[serde(untagged)]
|
||||
#[enum_delegate::implement(ActivityHandler)]
|
||||
pub enum PersonAcceptedActivities {
|
||||
Follow(Follow),
|
||||
Accept(Accept),
|
||||
CreateNote(CreateNote),
|
||||
}
|
||||
|
||||
impl MyUser {
|
||||
pub fn new(ap_id: Url, keypair: Keypair) -> MyUser {
|
||||
let mut inbox = ap_id.clone();
|
||||
inbox.set_path("/inbox");
|
||||
let ap_id = ObjectId::new(ap_id);
|
||||
MyUser {
|
||||
ap_id,
|
||||
inbox,
|
||||
public_key: keypair.public_key,
|
||||
private_key: Some(keypair.private_key),
|
||||
followers: vec![],
|
||||
local: true,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Clone, Debug, Deserialize, Serialize)]
|
||||
#[serde(rename_all = "camelCase")]
|
||||
pub struct Person {
|
||||
#[serde(rename = "type")]
|
||||
kind: PersonType,
|
||||
id: ObjectId<MyUser>,
|
||||
inbox: Url,
|
||||
public_key: PublicKey,
|
||||
}
|
||||
|
||||
impl MyUser {
|
||||
pub fn followers(&self) -> &Vec<Url> {
|
||||
&self.followers
|
||||
}
|
||||
|
||||
pub fn followers_url(&self) -> Result<Url, Error> {
|
||||
Ok(Url::parse(&format!("{}/followers", self.ap_id.inner()))?)
|
||||
}
|
||||
|
||||
fn public_key(&self) -> PublicKey {
|
||||
PublicKey::new_main_key(self.ap_id.clone().into_inner(), self.public_key.clone())
|
||||
}
|
||||
|
||||
pub async fn follow(
|
||||
&self,
|
||||
other: &MyUser,
|
||||
data: &RequestData<DatabaseHandle>,
|
||||
) -> Result<(), Error> {
|
||||
let id = generate_object_id(data.local_instance().hostname())?;
|
||||
let follow = Follow::new(self.ap_id.clone(), other.ap_id.clone(), id.clone());
|
||||
self.send(follow, vec![other.shared_inbox_or_inbox()], data)
|
||||
.await?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub async fn post(
|
||||
&self,
|
||||
post: MyPost,
|
||||
data: &RequestData<DatabaseHandle>,
|
||||
) -> Result<(), Error> {
|
||||
let id = generate_object_id(data.local_instance().hostname())?;
|
||||
let create = CreateNote::new(post.into_apub(data).await?, id.clone());
|
||||
let mut inboxes = vec![];
|
||||
for f in self.followers.clone() {
|
||||
let user: MyUser = ObjectId::new(f).dereference(data).await?;
|
||||
inboxes.push(user.shared_inbox_or_inbox());
|
||||
}
|
||||
self.send(create, inboxes, data).await?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub(crate) async fn send<Activity>(
|
||||
&self,
|
||||
activity: Activity,
|
||||
recipients: Vec<Url>,
|
||||
data: &RequestData<DatabaseHandle>,
|
||||
) -> Result<(), <Activity as ActivityHandler>::Error>
|
||||
where
|
||||
Activity: ActivityHandler + Serialize + Send + Sync,
|
||||
<Activity as ActivityHandler>::Error: From<anyhow::Error> + From<serde_json::Error>,
|
||||
{
|
||||
let activity = WithContext::new_default(activity);
|
||||
send_activity(
|
||||
activity,
|
||||
self.public_key(),
|
||||
self.private_key.clone().expect("has private key"),
|
||||
recipients,
|
||||
data.local_instance(),
|
||||
)
|
||||
.await?;
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
#[async_trait::async_trait]
|
||||
impl ApubObject for MyUser {
|
||||
type DataType = DatabaseHandle;
|
||||
type ApubType = Person;
|
||||
type DbType = MyUser;
|
||||
type Error = crate::error::Error;
|
||||
|
||||
async fn read_from_apub_id(
|
||||
object_id: Url,
|
||||
data: &RequestData<Self::DataType>,
|
||||
) -> Result<Option<Self>, Self::Error> {
|
||||
let users = data.users.lock().unwrap();
|
||||
let res = users
|
||||
.clone()
|
||||
.into_iter()
|
||||
.find(|u| u.ap_id.inner() == &object_id);
|
||||
Ok(res)
|
||||
}
|
||||
|
||||
async fn into_apub(
|
||||
self,
|
||||
_data: &RequestData<Self::DataType>,
|
||||
) -> Result<Self::ApubType, Self::Error> {
|
||||
Ok(Person {
|
||||
kind: Default::default(),
|
||||
id: self.ap_id.clone(),
|
||||
inbox: self.inbox.clone(),
|
||||
public_key: self.public_key(),
|
||||
})
|
||||
}
|
||||
|
||||
async fn from_apub(
|
||||
apub: Self::ApubType,
|
||||
_data: &RequestData<Self::DataType>,
|
||||
) -> Result<Self, Self::Error> {
|
||||
Ok(MyUser {
|
||||
ap_id: apub.id,
|
||||
inbox: apub.inbox,
|
||||
public_key: apub.public_key.public_key_pem,
|
||||
private_key: None,
|
||||
followers: vec![],
|
||||
local: false,
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
impl Actor for MyUser {
|
||||
fn public_key(&self) -> &str {
|
||||
&self.public_key
|
||||
}
|
||||
|
||||
fn inbox(&self) -> Url {
|
||||
self.inbox.clone()
|
||||
}
|
||||
}
|
|
@ -1,13 +0,0 @@
|
|||
use rand::{distributions::Alphanumeric, thread_rng, Rng};
|
||||
use url::{ParseError, Url};
|
||||
|
||||
/// Just generate random url as object id. In a real project, you probably want to use
|
||||
/// an url which contains the database id for easy retrieval (or store the random id in db).
|
||||
pub fn generate_object_id(hostname: &str) -> Result<Url, ParseError> {
|
||||
let id: String = thread_rng()
|
||||
.sample_iter(&Alphanumeric)
|
||||
.take(7)
|
||||
.map(char::from)
|
||||
.collect();
|
||||
Url::parse(&format!("http://{}/objects/{}", hostname, id))
|
||||
}
|
66
examples/simple_federation/actix_web/http.rs
Normal file
66
examples/simple_federation/actix_web/http.rs
Normal file
|
@ -0,0 +1,66 @@
|
|||
use crate::{
|
||||
error::Error,
|
||||
instance::DatabaseHandle,
|
||||
objects::person::{MyUser, PersonAcceptedActivities},
|
||||
};
|
||||
use activitypub_federation::{
|
||||
core::{actix_web::inbox::receive_activity, object_id::ObjectId},
|
||||
deser::context::WithContext,
|
||||
request_data::{ApubContext, ApubMiddleware, RequestData},
|
||||
traits::ApubObject,
|
||||
APUB_JSON_CONTENT_TYPE,
|
||||
};
|
||||
use actix_web::{web, App, HttpRequest, HttpResponse, HttpServer};
|
||||
use tokio::task;
|
||||
use url::Url;
|
||||
|
||||
pub fn listen(data: &ApubContext<DatabaseHandle>) -> Result<(), Error> {
|
||||
let hostname = data.local_instance().hostname();
|
||||
let data = data.clone();
|
||||
let server = HttpServer::new(move || {
|
||||
App::new()
|
||||
.wrap(ApubMiddleware::new(data.clone()))
|
||||
.route("/objects/{user_name}", web::get().to(http_get_user))
|
||||
.service(
|
||||
web::scope("")
|
||||
// Just a single, global inbox for simplicity
|
||||
.route("/inbox", web::post().to(http_post_user_inbox)),
|
||||
)
|
||||
})
|
||||
.bind(hostname)?
|
||||
.run();
|
||||
task::spawn(server);
|
||||
Ok(())
|
||||
}
|
||||
|
||||
/// Handles requests to fetch user json over HTTP
|
||||
pub async fn http_get_user(
|
||||
request: HttpRequest,
|
||||
data: RequestData<DatabaseHandle>,
|
||||
) -> Result<HttpResponse, Error> {
|
||||
let hostname: String = data.local_instance().hostname().to_string();
|
||||
let request_url = format!("http://{}{}", hostname, &request.uri().to_string());
|
||||
let url = Url::parse(&request_url)?;
|
||||
let user = ObjectId::<MyUser>::new(url)
|
||||
.dereference_local(&data)
|
||||
.await?
|
||||
.into_apub(&data)
|
||||
.await?;
|
||||
|
||||
Ok(HttpResponse::Ok()
|
||||
.content_type(APUB_JSON_CONTENT_TYPE)
|
||||
.json(WithContext::new_default(user)))
|
||||
}
|
||||
|
||||
/// Handles messages received in user inbox
|
||||
pub async fn http_post_user_inbox(
|
||||
request: HttpRequest,
|
||||
payload: String,
|
||||
data: RequestData<DatabaseHandle>,
|
||||
) -> Result<HttpResponse, Error> {
|
||||
let activity = serde_json::from_str(&payload)?;
|
||||
receive_activity::<WithContext<PersonAcceptedActivities>, MyUser, DatabaseHandle>(
|
||||
request, activity, &data,
|
||||
)
|
||||
.await
|
||||
}
|
6
examples/simple_federation/actix_web/mod.rs
Normal file
6
examples/simple_federation/actix_web/mod.rs
Normal file
|
@ -0,0 +1,6 @@
|
|||
use crate::error::Error;
|
||||
use actix_web::ResponseError;
|
||||
|
||||
pub(crate) mod http;
|
||||
|
||||
impl ResponseError for Error {}
|
93
examples/simple_federation/axum/http.rs
Normal file
93
examples/simple_federation/axum/http.rs
Normal file
|
@ -0,0 +1,93 @@
|
|||
use crate::{
|
||||
error::Error,
|
||||
instance::DatabaseHandle,
|
||||
objects::person::{MyUser, Person, PersonAcceptedActivities},
|
||||
};
|
||||
use activitypub_federation::{
|
||||
core::{
|
||||
axum::{inbox::receive_activity, json::ApubJson, verify_request_payload, DigestVerified},
|
||||
object_id::ObjectId,
|
||||
},
|
||||
deser::context::WithContext,
|
||||
request_data::{ApubContext, ApubMiddleware, RequestData},
|
||||
traits::ApubObject,
|
||||
};
|
||||
use axum::{
|
||||
body,
|
||||
extract::OriginalUri,
|
||||
middleware,
|
||||
response::IntoResponse,
|
||||
routing::{get, post},
|
||||
Extension,
|
||||
Json,
|
||||
Router,
|
||||
};
|
||||
use http::{HeaderMap, Method, Request};
|
||||
use hyper::Body;
|
||||
use std::net::ToSocketAddrs;
|
||||
use tokio::task;
|
||||
use tower::ServiceBuilder;
|
||||
use tower_http::{trace::TraceLayer, ServiceBuilderExt};
|
||||
use url::Url;
|
||||
|
||||
pub fn listen(data: &ApubContext<DatabaseHandle>) -> Result<(), Error> {
|
||||
let hostname = data.local_instance().hostname();
|
||||
let data = data.clone();
|
||||
let app = Router::new()
|
||||
.route("/inbox", post(http_post_user_inbox))
|
||||
.layer(
|
||||
ServiceBuilder::new()
|
||||
.map_request_body(body::boxed)
|
||||
.layer(middleware::from_fn(verify_request_payload)),
|
||||
)
|
||||
.route("/objects/:user_name", get(http_get_user))
|
||||
.layer(ApubMiddleware::new(data))
|
||||
.layer(TraceLayer::new_for_http());
|
||||
|
||||
// run it
|
||||
let addr = hostname
|
||||
.to_socket_addrs()?
|
||||
.next()
|
||||
.expect("Failed to lookup domain name");
|
||||
let server = axum::Server::bind(&addr).serve(app.into_make_service());
|
||||
|
||||
task::spawn(server);
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn http_get_user(
|
||||
data: RequestData<DatabaseHandle>,
|
||||
request: Request<Body>,
|
||||
) -> Result<ApubJson<WithContext<Person>>, Error> {
|
||||
let hostname: String = data.local_instance().hostname().to_string();
|
||||
let request_url = format!("http://{}{}", hostname, &request.uri());
|
||||
|
||||
let url = Url::parse(&request_url).expect("Failed to parse url");
|
||||
|
||||
let user = ObjectId::<MyUser>::new(url)
|
||||
.dereference_local(&data)
|
||||
.await?
|
||||
.into_apub(&data)
|
||||
.await?;
|
||||
|
||||
Ok(ApubJson(WithContext::new_default(user)))
|
||||
}
|
||||
|
||||
async fn http_post_user_inbox(
|
||||
headers: HeaderMap,
|
||||
method: Method,
|
||||
OriginalUri(uri): OriginalUri,
|
||||
data: RequestData<DatabaseHandle>,
|
||||
Extension(digest_verified): Extension<DigestVerified>,
|
||||
Json(activity): Json<WithContext<PersonAcceptedActivities>>,
|
||||
) -> impl IntoResponse {
|
||||
receive_activity::<WithContext<PersonAcceptedActivities>, MyUser, DatabaseHandle>(
|
||||
digest_verified,
|
||||
activity,
|
||||
&data,
|
||||
headers,
|
||||
method,
|
||||
uri,
|
||||
)
|
||||
.await
|
||||
}
|
11
examples/simple_federation/axum/mod.rs
Normal file
11
examples/simple_federation/axum/mod.rs
Normal file
|
@ -0,0 +1,11 @@
|
|||
use crate::error::Error;
|
||||
use ::http::StatusCode;
|
||||
use axum::response::{IntoResponse, Response};
|
||||
|
||||
pub mod http;
|
||||
|
||||
impl IntoResponse for Error {
|
||||
fn into_response(self) -> Response {
|
||||
(StatusCode::INTERNAL_SERVER_ERROR, format!("{}", self.0)).into_response()
|
||||
}
|
||||
}
|
|
@ -1,9 +1,8 @@
|
|||
use actix_web::ResponseError;
|
||||
use std::fmt::{Display, Formatter};
|
||||
|
||||
/// Necessary because of this issue: https://github.com/actix/actix-web/issues/1711
|
||||
#[derive(Debug)]
|
||||
pub struct Error(anyhow::Error);
|
||||
pub struct Error(pub(crate) anyhow::Error);
|
||||
|
||||
impl Display for Error {
|
||||
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
|
||||
|
@ -19,5 +18,3 @@ where
|
|||
Error(t.into())
|
||||
}
|
||||
}
|
||||
|
||||
impl ResponseError for Error {}
|
68
examples/simple_federation/instance.rs
Normal file
68
examples/simple_federation/instance.rs
Normal file
|
@ -0,0 +1,68 @@
|
|||
use crate::{
|
||||
generate_object_id,
|
||||
objects::{note::MyPost, person::MyUser},
|
||||
Error,
|
||||
};
|
||||
use activitypub_federation::{
|
||||
core::signatures::generate_actor_keypair,
|
||||
request_data::ApubContext,
|
||||
FederationSettings,
|
||||
InstanceConfig,
|
||||
UrlVerifier,
|
||||
};
|
||||
use async_trait::async_trait;
|
||||
use reqwest::Client;
|
||||
use std::sync::{Arc, Mutex};
|
||||
use url::Url;
|
||||
|
||||
pub type DatabaseHandle = Arc<Database>;
|
||||
|
||||
/// Our "database" which contains all known posts users (local and federated)
|
||||
pub struct Database {
|
||||
pub users: Mutex<Vec<MyUser>>,
|
||||
pub posts: Mutex<Vec<MyPost>>,
|
||||
}
|
||||
|
||||
/// Use this to store your federation blocklist, or a database connection needed to retrieve it.
|
||||
#[derive(Clone)]
|
||||
struct MyUrlVerifier();
|
||||
|
||||
#[async_trait]
|
||||
impl UrlVerifier for MyUrlVerifier {
|
||||
async fn verify(&self, url: &Url) -> Result<(), &'static str> {
|
||||
if url.domain() == Some("malicious.com") {
|
||||
Err("malicious domain")
|
||||
} else {
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn listen(data: &ApubContext<DatabaseHandle>) -> Result<(), Error> {
|
||||
#[cfg(feature = "actix-web")]
|
||||
crate::actix_web::http::listen(data)?;
|
||||
#[cfg(feature = "axum")]
|
||||
crate::axum::http::listen(data)?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
impl Database {
|
||||
pub fn new(hostname: String) -> Result<ApubContext<DatabaseHandle>, Error> {
|
||||
let settings = FederationSettings::builder()
|
||||
.debug(true)
|
||||
.url_verifier(Box::new(MyUrlVerifier()))
|
||||
.build()?;
|
||||
let local_instance =
|
||||
InstanceConfig::new(hostname.clone(), Client::default().into(), settings);
|
||||
let local_user = MyUser::new(generate_object_id(&hostname)?, generate_actor_keypair()?);
|
||||
let instance = Arc::new(Database {
|
||||
users: Mutex::new(vec![local_user]),
|
||||
posts: Mutex::new(vec![]),
|
||||
});
|
||||
Ok(ApubContext::new(instance, local_instance))
|
||||
}
|
||||
|
||||
pub fn local_user(&self) -> MyUser {
|
||||
self.users.lock().unwrap().first().cloned().unwrap()
|
||||
}
|
||||
}
|
|
@ -1,7 +1,16 @@
|
|||
use crate::{error::Error, instance::Database, objects::note::MyPost, utils::generate_object_id};
|
||||
use crate::{
|
||||
instance::{listen, Database},
|
||||
objects::note::MyPost,
|
||||
utils::generate_object_id,
|
||||
};
|
||||
use error::Error;
|
||||
use tracing::log::LevelFilter;
|
||||
|
||||
mod activities;
|
||||
#[cfg(feature = "actix-web")]
|
||||
mod actix_web;
|
||||
#[cfg(feature = "axum")]
|
||||
mod axum;
|
||||
mod error;
|
||||
mod instance;
|
||||
mod objects;
|
||||
|
@ -15,8 +24,8 @@ async fn main() -> Result<(), Error> {
|
|||
|
||||
let alpha = Database::new("localhost:8001".to_string())?;
|
||||
let beta = Database::new("localhost:8002".to_string())?;
|
||||
Database::listen(&alpha)?;
|
||||
Database::listen(&beta)?;
|
||||
listen(&alpha)?;
|
||||
listen(&beta)?;
|
||||
|
||||
// alpha user follows beta user
|
||||
alpha
|
|
@ -1,4 +1,4 @@
|
|||
use crate::{generate_object_id, instance::DatabaseHandle, objects::person::MyUser};
|
||||
use crate::{error::Error, generate_object_id, instance::DatabaseHandle, objects::person::MyUser};
|
||||
use activitypub_federation::{
|
||||
core::object_id::ObjectId,
|
||||
deser::helpers::deserialize_one_or_many,
|
||||
|
@ -45,7 +45,7 @@ impl ApubObject for MyPost {
|
|||
type DataType = DatabaseHandle;
|
||||
type ApubType = Note;
|
||||
type DbType = ();
|
||||
type Error = crate::error::Error;
|
||||
type Error = Error;
|
||||
|
||||
async fn read_from_apub_id(
|
||||
_object_id: Url,
|
|
@ -136,7 +136,7 @@ impl ApubObject for MyUser {
|
|||
type DataType = DatabaseHandle;
|
||||
type ApubType = Person;
|
||||
type DbType = MyUser;
|
||||
type Error = crate::error::Error;
|
||||
type Error = Error;
|
||||
|
||||
async fn read_from_apub_id(
|
||||
object_id: Url,
|
|
@ -5,5 +5,5 @@ pub mod signatures;
|
|||
#[cfg(feature = "axum")]
|
||||
pub mod axum;
|
||||
|
||||
#[cfg(feature = "actix")]
|
||||
pub mod actix;
|
||||
#[cfg(feature = "actix-web")]
|
||||
pub mod actix_web;
|
||||
|
|
Loading…
Reference in a new issue