app: Implement login refresh

app/src/components/app.rs

@@ -85,7 +85,7 @@ impl Component for App {
         }
         if self.user_info.is_none() {
             self.route_dispatcher
-                .send(RouteRequest::ReplaceRoute(Route::new_no_state("/login")));
+                .send(RouteRequest::ReplaceRoute(Route::from(AppRoute::Login)));
         }
         true
     }
@@ -138,7 +138,7 @@ impl App {
         match &self.user_info {
             None => {
                 self.route_dispatcher
-                    .send(RouteRequest::ReplaceRoute(Route::new_no_state("/login")));
+                    .send(RouteRequest::ReplaceRoute(Route::from(AppRoute::Login)));
             }
             Some((user_name, is_admin)) => match &self.redirect_to {
                 Some(url) => {
@@ -148,7 +148,7 @@ impl App {
                 None => {
                     if *is_admin {
                         self.route_dispatcher
-                            .send(RouteRequest::ReplaceRoute(Route::new_no_state("/users")));
+                            .send(RouteRequest::ReplaceRoute(Route::from(AppRoute::ListUsers)));
                     } else {
                         self.route_dispatcher
                             .send(RouteRequest::ReplaceRoute(Route::from(

app/src/components/login.rs

@@ -15,6 +15,7 @@ use yew_form_derive::Model;
 pub struct LoginForm {
     common: CommonComponentParts<Self>,
     form: Form<FormModel>,
+    refreshing: bool,
 }
 
 /// The fields of the form, with the constraints.
@@ -34,6 +35,7 @@ pub struct Props {
 pub enum Msg {
     Update,
     Submit,
+    AuthenticationRefreshResponse(Result<(String, bool)>),
     AuthenticationStartResponse(
         (
             opaque::client::login::ClientLogin,
@@ -99,6 +101,14 @@ impl CommonComponent<LoginForm> for LoginForm {
                     .emit(user_info.context("Could not log in")?);
                 Ok(true)
             }
+            Msg::AuthenticationRefreshResponse(user_info) => {
+                self.refreshing = false;
+                self.common.cancel_task();
+                if let Ok(user_info) = user_info {
+                    self.common.on_logged_in.emit(user_info);
+                }
+                Ok(true)
+            }
         }
     }
 
@@ -112,10 +122,19 @@ impl Component for LoginForm {
     type Properties = Props;
 
     fn create(props: Self::Properties, link: ComponentLink<Self>) -> Self {
-        LoginForm {
+        let mut app = LoginForm {
             common: CommonComponentParts::<Self>::create(props, link),
             form: Form::<FormModel>::new(FormModel::default()),
+            refreshing: true,
+        };
+        if let Err(e) =
+            app.common
+                .call_backend(HostService::refresh, (), Msg::AuthenticationRefreshResponse)
+        {
+            ConsoleService::debug(&format!("Could not refresh auth: {}", e));
+            app.refreshing = false;
         }
+        app
     }
 
     fn update(&mut self, msg: Self::Message) -> ShouldRender {
@@ -128,6 +147,13 @@ impl Component for LoginForm {
 
     fn view(&self) -> Html {
         type Field = yew_form::Field<FormModel>;
+        if self.refreshing {
+            html! {
+              <div>
+                <img src={"spinner.gif"} alt={"Loading"} />
+              </div>
+            }
+        } else {
             html! {
               <form
                 class="form center-block col-sm-4 col-offset-4">
@@ -188,3 +214,4 @@ impl Component for LoginForm {
             }
         }
     }
+}

app/src/infra/api.rs

@@ -227,6 +227,32 @@ impl HostService {
         )
     }
 
+    pub fn refresh(_request: (), callback: Callback<Result<(String, bool)>>) -> Result<FetchTask> {
+        let set_cookies = |jwt_claims: JWTClaims| {
+            let is_admin = jwt_claims.groups.contains("lldap_admin");
+            set_cookie("user_id", &jwt_claims.user, &jwt_claims.exp)
+                .map(|_| set_cookie("is_admin", &is_admin.to_string(), &jwt_claims.exp))
+                .map(|_| (jwt_claims.user.clone(), is_admin))
+                .context("Error clearing cookie")
+        };
+        let parse_token = move |data: String| {
+            serde_json::from_str::<login::ServerLoginResponse>(&data)
+                .context("Could not parse response")
+                .and_then(|r| {
+                    get_claims_from_jwt(r.token.as_str())
+                        .context("Could not parse response")
+                        .and_then(set_cookies)
+                })
+        };
+        call_server(
+            "/auth/refresh",
+            yew::format::Nothing,
+            callback,
+            "Could not start authentication: ",
+            parse_token,
+        )
+    }
+
     // The `_request` parameter is to make it the same shape as the other functions.
     pub fn logout(_request: (), callback: Callback<Result<()>>) -> Result<FetchTask> {
         call_server_empty_response_with_error_message(