Implemented endpoints to load welcome page

src/main.rs

@@ -269,6 +269,7 @@ fn run() -> Result<()> {
 	};
 
 	rocket::ignite()
+	.manage(db::DB::new(&db_path)?)
 	.mount(&static_url, StaticFiles::from(web_dir_path))
 	.mount(&api_url, rocket_api::get_routes())
 	.launch();

src/rocket_api.rs

@@ -1,10 +1,60 @@
+use rocket::{Outcome, State};
+use rocket::http::{Cookies, Status};
+use rocket::request::{self, Request, FromRequest};
 use rocket_contrib::json::Json;
 
+use config::{self, Config};
+use db::DB;
+use errors;
+use user;
+
 const CURRENT_MAJOR_VERSION: i32 = 2;
 const CURRENT_MINOR_VERSION: i32 = 2;
 
 pub fn get_routes() -> Vec<rocket::Route> {
-	routes![version]
+	routes![
+		version,
+		initial_setup,
+		get_settings,
+	]
+}
+
+struct Auth {
+	username: String,
+}
+
+impl<'a, 'r> FromRequest<'a, 'r> for Auth {
+	type Error = ();
+
+	fn from_request(request: &'a Request<'r>) -> request::Outcome<Self, ()> {
+		let mut cookies = request.guard::<Cookies>().unwrap();
+		match cookies.get_private("username") {
+			Some(u) => Outcome::Success(Auth { username: u.to_string() }),
+			_ => Outcome::Failure((Status::Forbidden, ()))
+		}
+    }
+}
+
+struct AdminRights {}
+impl<'a, 'r> FromRequest<'a, 'r> for AdminRights {
+	type Error = ();
+
+	fn from_request(request: &'a Request<'r>) -> request::Outcome<Self, ()> {
+		let db = request.guard::<State<DB>>()?;
+
+		match user::count::<DB>(&db) {
+			Err(_) => return Outcome::Failure((Status::InternalServerError, ())),
+			Ok(0) => return Outcome::Success(AdminRights {}),
+			_ => ()
+		};
+
+		let auth = request.guard::<Auth>()?;
+		match user::is_admin::<DB>(&db, &auth.username) {
+			Err(_) => Outcome::Failure((Status::InternalServerError, ())),
+			Ok(true) => Outcome::Success(AdminRights {}),
+			Ok(false) => Outcome::Failure((Status::Forbidden, ())),
+		}
+    }
 }
 
 #[derive(Serialize)]
@@ -21,3 +71,22 @@ fn version() -> Json<Version> {
 	};
 	Json(current_version)
 }
+
+#[derive(Serialize)]
+struct InitialSetup {
+	has_any_users: bool,
+}
+
+#[get("/initial_setup")]
+fn initial_setup(db: State<DB>) -> Result<Json<InitialSetup>, errors::Error> {
+	let initial_setup = InitialSetup {
+		has_any_users: user::count::<DB>(&db)? > 0,
+	};
+	Ok(Json(initial_setup))
+}
+
+#[get("/settings")]
+fn get_settings(db: State<DB>, _admin_rights: AdminRights) -> Result<Json<Config>, errors::Error> {
+	let config = config::read::<DB>(&db)?;
+	Ok(Json(config))
+}