webfinger: Create crate by cloning inbox

Cargo.toml

@@ -1,3 +1,3 @@
 [workspace]
 resolver = "2"
-members = ["acrate-core", "acrate-hostmeta", "acrate-inbox", "acrate-nodeinfo"]
+members = ["acrate-core", "acrate-hostmeta", "acrate-inbox", "acrate-nodeinfo", "acrate-webfinger"]

acrate-webfinger/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "acrate-webfinger"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+anyhow = "1.0.93"
+axum = "0.7.7"
+log = "0.4.22"
+micronfig = "0.3.0"
+pretty_env_logger = "0.5.0"
+tokio = { version = "1.41.1", features = ["macros", "net", "rt-multi-thread"] }

acrate-webfinger/src/config.rs

@@ -0,0 +1,3 @@
+micronfig::config!(
+	ACRATE_INBOX_BIND_ADDRESS: String,
+);

acrate-webfinger/src/main.rs

@@ -0,0 +1,31 @@
+use anyhow::Context;
+
+mod config;
+mod route;
+
+
+#[tokio::main]
+async fn main() -> anyhow::Result<std::convert::Infallible> {
+	pretty_env_logger::init();
+	log::debug!("Logging initialized!");
+
+	log::trace!("Creating Axum router...");
+	let app = axum::Router::new()
+		.route("/inbox", axum::routing::post(route::inbox_handler));
+	log::trace!("Axum router created successfully!");
+
+	log::trace!("Creating Tokio listener...");
+	let bind_address = config::ACRATE_INBOX_BIND_ADDRESS();
+	let listener = tokio::net::TcpListener::bind(bind_address)
+		.await
+		.context("failed to bind listener to address")?;
+	log::trace!("Tokio listener bound to: {bind_address}");
+
+	log::debug!("Starting server...");
+	axum::serve(listener, app)
+		.await
+		.context("server exited with error")?;
+
+	log::error!("Server exited with no error, panicking.");
+	panic!("server exited with no error");
+}

acrate-webfinger/src/route.rs

@@ -0,0 +1,8 @@
+#[allow(unreachable_code)]
+pub async fn inbox_handler() {
+	todo!("pre-validation hook");
+	todo!("validate signature");
+	todo!("post-validation hook");
+	todo!("database storage");
+	todo!("post-storage hook");
+}