Add handling for 401 on XHR responses.

spring-boot-admin-samples/spring-boot-admin-sample-servlet/pom.xml

@@ -46,6 +46,20 @@
             <groupId>de.codecentric</groupId>
             <artifactId>spring-boot-admin-starter-client</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.session</groupId>
+            <artifactId>spring-session-core</artifactId>
+            <version>2.0.0.RELEASE</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.session</groupId>
+            <artifactId>spring-session-jdbc</artifactId>
+            <version>2.0.0.RELEASE</version>
+        </dependency>
+        <dependency>
+            <groupId>org.hsqldb</groupId>
+            <artifactId>hsqldb</artifactId>
+        </dependency>
         <!-- Test -->
         <dependency>
             <groupId>org.springframework.boot</groupId>

spring-boot-admin-samples/spring-boot-admin-sample-servlet/src/main/java/de/codecentric/boot/admin/SpringBootAdminApplication.java

@@ -31,6 +31,7 @@ import org.springframework.context.annotation.Profile;
 import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
+import org.springframework.security.web.authentication.SavedRequestAwareAuthenticationSuccessHandler;
 
 @Configuration
 @EnableAutoConfiguration
@@ -56,16 +57,19 @@ public class SpringBootAdminApplication {
         @Override
         protected void configure(HttpSecurity http) throws Exception {
             // @formatter:off
+            SavedRequestAwareAuthenticationSuccessHandler successHandler = new SavedRequestAwareAuthenticationSuccessHandler();
+            successHandler.setTargetUrlParameter("redirectTo");
+
             http.authorizeRequests()
                 .antMatchers("/assets/**").permitAll()
                 .antMatchers("/login").permitAll()
                 .anyRequest().authenticated()
                 .and()
-            .formLogin().loginPage("/login").and()
+            .formLogin().loginPage("/login").successHandler(successHandler).and()
             .logout().and()
             .httpBasic().and()
             .csrf().disable();
-        // @formatter:on
+            // @formatter:on
         }
     }
 

spring-boot-admin-server-ui/package.json

@@ -51,7 +51,7 @@
     "css-hot-loader": "^1.3.5",
     "css-loader": "^0.28.9",
     "css-mqpacker": "^6.0.1",
-    "eslint": "^4.15.0",
+    "eslint": "^4.16.0",
     "eslint-plugin-html": "^4.0.1",
     "eslint-plugin-vue-libs": "^2.1.0",
     "extract-text-webpack-plugin": "^3.0.2",
@@ -60,7 +60,7 @@
     "html-loader": "^0.5.5",
     "html-webpack-plugin": "^2.30.0",
     "identity-obj-proxy": "^3.0.0",
-    "jest": "^22.1.3",
+    "jest": "^22.1.4",
     "jest-vue": "^0.8.2",
     "lodash-webpack-plugin": "^0.11.4",
     "node-sass": "^4.7.2",
@@ -73,8 +73,7 @@
     "vue-svg-loader": "^0.4.0",
     "vue-template-compiler": "^2.5.13",
     "webpack": "^3.10.0",
-    "webpack-bundle-analyzer": "^2.9.2",
-    "webpack-dev-server": "^2.11.0"
+    "webpack-bundle-analyzer": "^2.9.2"
   },
   "browserslist": [
     "> 2%",

spring-boot-admin-server-ui/src/main/frontend/index.js

@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+import axios from 'axios';
 import moment from 'moment';
 import Vue from 'vue';
 import VueRouter from 'vue-router';
@@ -38,6 +39,17 @@ const router = new VueRouter({
 });
 
 Notifications.requestPermissions();
+axios.interceptors.request.use(config => {
+  config.headers['X-Requested-With'] = 'XMLHttpRequest';
+  return config;
+});
+
+axios.interceptors.response.use(response => response, error => {
+  if (401 === error.response.status) {
+    window.location = `login?redirectTo=${encodeURIComponent(window.location.href)}`;
+  }
+  return Promise.reject(error);
+});
 
 const store = new Store();
 

spring-boot-admin-server-ui/src/main/frontend/login.html

@@ -33,7 +33,7 @@
             <div class="column is-4 is-offset-4">
                 <div class="box">
                     <h1 class="title">Spring Boot Admin</h1>
-                    <form method="post" action="login">
+                    <form method="post">
                         <div class="field">
                             <p class="is-medium has-text-danger" th:unless="${param.error == null}">
                                 Invalid username or password!

spring-boot-admin-server-ui/src/main/frontend/views/about/index.vue

@@ -56,7 +56,7 @@
                         <font-awesome-icon size="lg" :icon="['fab', 'gitter']"></font-awesome-icon>&nbsp;Gitter</a>
                 </div>
             </div>
-            <h1 class="title is-5">Trademarks and License</h1>
+            <h1 class="title is-5">Trademarks and Licenses</h1>
             <div class="content">
                 <p>
                     The source code of Spring Boot Admin is licensed under <a