webfinger: Parse query string with serde and axum_extra

.idea/acrate.iml

@@ -9,6 +9,7 @@
       <sourceFolder url="file://$MODULE_DIR$/acrate-inbox/src" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/acrate-nodeinfo/src" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/acrate-nodeinfo/tests" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/acrate-webfinger/src" isTestSource="false" />
       <excludeFolder url="file://$MODULE_DIR$/target" />
     </content>
     <orderEntry type="inheritedJdk" />

acrate-webfinger/Cargo.toml

@@ -6,7 +6,9 @@ edition = "2021"
 [dependencies]
 anyhow = "1.0.93"
 axum = "0.7.7"
+axum-extra = { version = "0.9.4", features = ["query"] }
 log = "0.4.22"
 micronfig = "0.3.0"
 pretty_env_logger = "0.5.0"
+serde = { version = "1.0.215", features = ["derive"] }
 tokio = { version = "1.41.1", features = ["macros", "net", "rt-multi-thread"] }

acrate-webfinger/src/main.rs

@@ -11,7 +11,7 @@ async fn main() -> anyhow::Result<std::convert::Infallible> {
 
 	log::trace!("Creating Axum router...");
 	let app = axum::Router::new()
-		.route("/inbox", axum::routing::post(route::inbox_handler));
+		.route("/.well-known/webfinger", axum::routing::get(route::webfinger_handler));
 	log::trace!("Axum router created successfully!");
 
 	log::trace!("Creating Tokio listener...");

acrate-webfinger/src/route.rs

@@ -1,8 +1,16 @@
-#[allow(unreachable_code)]
+use axum_extra::extract::Query;
-pub async fn inbox_handler() {
+use serde::Deserialize;
-	todo!("pre-validation hook");
+
-	todo!("validate signature");
+#[derive(Debug, Clone, Deserialize)]
-	todo!("post-validation hook");
+pub struct WebfingerQuery {
-	todo!("database storage");
+	pub resource: String,
-	todo!("post-storage hook");
+	
+	#[serde(default)]
+	pub rel: Vec<String>,
+}
+
+pub async fn webfinger_handler(
+	Query(WebfingerQuery {resource, rel}): Query<WebfingerQuery>
+) {
+	todo!()
 }