Implement authentication on backend

src/auth.rs

@@ -0,0 +1,65 @@
+use leptos::*;
+use crate::models::NewUser;
+
+/// Create a new user and log them in
+/// Takes in a NewUser struct, with the password in plaintext
+/// Returns a Result with the error message if the user could not be created
+#[server(endpoint = "signup")]
+pub async fn signup(new_user: NewUser) -> Result<(), ServerFnError> {
+	use crate::users::create_user;
+
+	use leptos_actix::extract;
+	use actix_web::{HttpMessage, HttpRequest};
+	use actix_identity::Identity;
+
+	create_user(&new_user).await
+		.map_err(|e| ServerFnError::ServerError(format!("Error creating user: {}", e)))?;
+
+	extract(|request: HttpRequest| async move {
+		Identity::login(&request.extensions(), new_user.username.clone())
+	}).await??;
+
+	Ok(())
+}
+
+/// Log a user in
+/// Takes in a username or email and a password in plaintext
+/// Returns a Result with a boolean indicating if the login was successful
+#[server(endpoint = "login")]
+pub async fn login(username_or_email: String, password: String) -> Result<bool, ServerFnError> {
+	use crate::users::validate_user;
+	use actix_web::{HttpMessage, HttpRequest};
+	use actix_identity::Identity;
+	use leptos_actix::extract;
+
+	let possible_user = validate_user(username_or_email, password).await
+		.map_err(|e| ServerFnError::ServerError(format!("Error validating user: {}", e)))?;
+
+	let user = match possible_user {
+		Some(user) => user,
+		None => return Ok(false)
+	};
+
+	extract(|request: HttpRequest| async move {
+		Identity::login(&request.extensions(), user.username.clone())
+	}).await??;
+	
+	Ok(true)
+}
+
+/// Log a user out
+/// Returns a Result with the error message if the user could not be logged out
+#[server(endpoint = "logout")]
+pub async fn logout() -> Result<(), ServerFnError> {
+	use leptos_actix::extract;
+	use actix_identity::Identity;
+
+	extract(|user: Option<Identity>| async move {
+		if let Some(user) = user {
+			user.logout();
+		}
+	}).await?;
+
+	Ok(())
+}
+

src/lib.rs

@@ -1,4 +1,5 @@
 pub mod app;
+pub mod auth;
 pub mod songdata;
 pub mod playstatus;
 pub mod playbar;