Add Spring Boot Hello World guide

Add Spring Boot Hello World Guide

Fixes gh-3866

samples/boot/helloworld/pom.xml

@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.springframework.security</groupId>
   <artifactId>spring-security-samples-boot-helloworld</artifactId>
-  <version>4.1.0.RELEASE</version>
+  <version>4.1.1.BUILD-SNAPSHOT</version>
   <name>spring-security-samples-boot-helloworld</name>
   <description>spring-security-samples-boot-helloworld</description>
   <url>http://spring.io/spring-security</url>
@@ -55,13 +55,13 @@
     <dependency>
       <groupId>org.springframework.security</groupId>
       <artifactId>spring-security-config</artifactId>
-      <version>4.1.0.RELEASE</version>
+      <version>4.1.1.BUILD-SNAPSHOT</version>
       <scope>compile</scope>
     </dependency>
     <dependency>
       <groupId>org.springframework.security</groupId>
       <artifactId>spring-security-web</artifactId>
-      <version>4.1.0.RELEASE</version>
+      <version>4.1.1.BUILD-SNAPSHOT</version>
       <scope>compile</scope>
     </dependency>
     <dependency>
@@ -115,7 +115,7 @@
     <dependency>
       <groupId>org.springframework.security</groupId>
       <artifactId>spring-security-test</artifactId>
-      <version>4.1.0.RELEASE</version>
+      <version>4.1.1.BUILD-SNAPSHOT</version>
       <scope>test</scope>
     </dependency>
     <dependency>
@@ -124,6 +124,12 @@
       <scope>test</scope>
     </dependency>
   </dependencies>
+  <repositories>
+    <repository>
+      <id>spring-snapshot</id>
+      <url>https://repo.spring.io/snapshot</url>
+    </repository>
+  </repositories>
   <build>
     <plugins>
       <plugin>

samples/boot/helloworld/src/integration-test/java/org/springframework/security/samples/HelloWorldApplicationTests.java

@@ -76,7 +76,7 @@ public class HelloWorldApplicationTests {
 
 	@Test
 	public void loginUser() throws Exception {
-		this.mockMvc.perform(formLogin().user("user1").password("password1"))
+		this.mockMvc.perform(formLogin().user("user").password("password"))
 				.andExpect(authenticated());
 	}
 
@@ -89,7 +89,7 @@ public class HelloWorldApplicationTests {
 
 	@Test
 	public void loginUserAccessProtected() throws Exception {
-		MvcResult mvcResult = this.mockMvc.perform(formLogin().user("user1").password("password1"))
+		MvcResult mvcResult = this.mockMvc.perform(formLogin().user("user").password("password"))
 				.andExpect(authenticated())
 				.andReturn();
 
@@ -102,7 +102,7 @@ public class HelloWorldApplicationTests {
 
 	@Test
 	public void loginUserValidateLogout() throws Exception {
-		MvcResult mvcResult = this.mockMvc.perform(formLogin().user("user1").password("password1"))
+		MvcResult mvcResult = this.mockMvc.perform(formLogin().user("user").password("password"))
 				.andExpect(authenticated())
 				.andReturn();
 
@@ -117,4 +117,4 @@ public class HelloWorldApplicationTests {
 				.andExpect(unauthenticated())
 				.andExpect(status().is3xxRedirection());
 	}
-}
+}

samples/boot/helloworld/src/main/java/org/springframework/security/samples/config/SecurityConfig.java

@@ -44,7 +44,7 @@ public class SecurityConfig extends WebSecurityConfigurerAdapter {
 	public void configureGlobal(AuthenticationManagerBuilder auth) throws Exception {
 		auth
 			.inMemoryAuthentication()
-				.withUser("user1").password("password1").roles("USER");
+				.withUser("user").password("password").roles("USER");
 	}
 	// @formatter:on
 }

samples/boot/helloworld/src/main/resources/application.yml

@@ -9,4 +9,4 @@ logging:
 
 spring:
   thymeleaf:
-    cache: true
+    cache: false

samples/boot/helloworld/src/main/resources/templates/index.html

@@ -10,9 +10,8 @@
             Logged in user: <span sec:authentication="name"></span> |
             Roles: <span sec:authentication="principal.authorities"></span>
             <div>
-                <form action="/logout" method="post">
+                <form action="#" th:action="@{/logout}" method="post">
                     <input type="submit" value="Logout" />
-                    <input type="hidden" th:name="${_csrf.parameterName}" th:value="${_csrf.token}" />
                 </form>
             </div>
         </div>
@@ -22,4 +21,4 @@
             <li>Go to the <a href="/user/index" th:href="@{/user/index}">secured pages</a></li>
         </ul>
     </body>
-</html>
+</html>

samples/boot/helloworld/src/main/resources/templates/login.html

@@ -7,7 +7,7 @@
 	</head>
     <body>
         <h1>Login page</h1>
-        <p>Example user: user1 / password1</p>
+        <p>Example user: user / password</p>
         <p th:if="${loginError}" class="error">Wrong user or password</p>
         <form th:action="@{/login}" method="post">
             <label for="username">Username</label>: