feat: add spring-boot-auth-roles module with custom login and role-based access

pom.xml

@@ -1,29 +1,28 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-    <groupId>org.alexmond</groupId>
-    <version>0.0.1-SNAPSHOT</version>
-    <artifactId>boot-sample-root</artifactId>
-    <packaging>pom</packaging>
-    <name>Spring boot samples root</name>
-    <parent>
-        <groupId>org.springframework.boot</groupId>
-        <artifactId>spring-boot-starter-parent</artifactId>
-        <version>3.5.3</version>
-        <relativePath/> <!-- lookup parent from repository -->
-    </parent>
-    <properties>
-        <spring-boot-admin.version>3.2.3</spring-boot-admin.version>
-    </properties>
-    <modules>
-        <module>spring-boot-rest-sample</module>
-        <module>spring-boot-config-sample</module>
-        <module>spring-boot-data-jpa-flyway</module>
-        <module>spring-boot-cloud</module>
-        <module>spring-boot-openapi-root</module>
-        <module>spring-boot-thymeleaf</module>
-        <module>spring-boot-config-dependency</module>
-        <module>spring-boot-security-root</module>
-    </modules>
+<?xml version="1.0" encoding="UTF-8"?><project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>org.alexmond</groupId>
+  <version>0.0.1-SNAPSHOT</version>
+  <artifactId>boot-sample-root</artifactId>
+  <packaging>pom</packaging>
+  <name>Spring boot samples root</name>
+  <parent>
+    <groupId>org.springframework.boot</groupId>
+    <artifactId>spring-boot-starter-parent</artifactId>
+    <version>3.5.3</version>
+    <relativePath/>
+    <!-- lookup parent from repository -->
+  </parent>
+  <properties>
+    <spring-boot-admin.version>3.2.3</spring-boot-admin.version>
+  </properties>
+  <modules>
+    <module>spring-boot-rest-sample</module>
+    <module>spring-boot-config-sample</module>
+    <module>spring-boot-data-jpa-flyway</module>
+    <module>spring-boot-cloud</module>
+    <module>spring-boot-openapi-root</module>
+    <module>spring-boot-thymeleaf</module>
+    <module>spring-boot-config-dependency</module>
+    <module>spring-boot-security-root</module>
+  </modules>
 </project>

spring-boot-security-root/pom.xml

@@ -17,6 +17,7 @@
     <modules>
         <module>spring-boot-custom-auth-server</module>
         <module>simple-boot-auth-client</module>
+        <module>spring-boot-auth-roles</module>
     </modules>
 
 </project>

spring-boot-security-root/spring-boot-auth-roles/pom.xml

@@ -0,0 +1,46 @@
+<?xml version="1.0"?>
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>org.alexmond</groupId>
+    <artifactId>spring-boot-security-root</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <relativePath>../pom.xml</relativePath>
+  </parent>
+  <groupId>org.alexmond.sample.auth</groupId>
+  <artifactId>spring-boot-auth-roles</artifactId>
+  <version>0.0.1-SNAPSHOT</version>
+  <name>spring-boot-auth-roles</name>
+  <properties>
+    <java.version>21</java.version>
+  </properties>
+  <dependencies>
+    <dependency>
+      <groupId>org.springframework.boot</groupId>
+      <artifactId>spring-boot-starter-web</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.springframework.boot</groupId>
+      <artifactId>spring-boot-starter-thymeleaf</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.springframework.boot</groupId>
+      <artifactId>spring-boot-starter-security</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.webjars</groupId>
+      <artifactId>bootstrap</artifactId>
+      <version>5.3.3</version>
+    </dependency>
+    <dependency>
+      <groupId>org.webjars</groupId>
+      <artifactId>font-awesome</artifactId>
+      <version>6.5.1</version>
+    </dependency>
+    <dependency>
+      <groupId>org.webjars</groupId>
+      <artifactId>webjars-locator-core</artifactId>
+    </dependency>
+  </dependencies>
+</project>

spring-boot-security-root/spring-boot-auth-roles/src/main/java/org/App.java

@@ -0,0 +1,13 @@
+package org;
+
+/**
+ * Hello world!
+ *
+ */
+public class App 
+{
+    public static void main( String[] args )
+    {
+        System.out.println( "Hello World!" );
+    }
+}

spring-boot-security-root/spring-boot-auth-roles/src/main/java/org/alexmond/sample/auth/AppUser.java

@@ -0,0 +1,18 @@
+package org.alexmond.sample.auth;
+
+import java.util.List;
+
+public class AppUser {
+    private String username;
+    private String password;
+    private List<String> roles;
+
+    public String getUsername() { return username; }
+    public void setUsername(String username) { this.username = username; }
+
+    public String getPassword() { return password; }
+    public void setPassword(String password) { this.password = password; }
+
+    public List<String> getRoles() { return roles; }
+    public void setRoles(List<String> roles) { this.roles = roles; }
+}

spring-boot-security-root/spring-boot-auth-roles/src/main/java/org/alexmond/sample/auth/Application.java

@@ -0,0 +1,11 @@
+package org.alexmond.sample.auth;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class Application {
+    public static void main(String[] args) {
+        SpringApplication.run(Application.class, args);
+    }
+}

spring-boot-security-root/spring-boot-auth-roles/src/main/java/org/alexmond/sample/auth/SecurityConfig.java

@@ -0,0 +1,55 @@
+package org.alexmond.sample.auth;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.config.Customizer;
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.config.annotation.web.configurers.AbstractHttpConfigurer;
+import org.springframework.security.core.userdetails.UserDetailsService;
+import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
+import org.springframework.security.crypto.password.PasswordEncoder;
+import org.springframework.security.provisioning.InMemoryUserDetailsManager;
+import org.springframework.security.web.SecurityFilterChain;
+
+@Configuration
+public class SecurityConfig {
+    private final Users users;
+
+    public SecurityConfig(Users users) {
+        this.users = users;
+    }
+
+    @Bean
+    public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
+        http
+            .csrf(AbstractHttpConfigurer::disable)
+            .authorizeHttpRequests(auth -> auth
+                .requestMatchers("/", "/login", "/webjars/**", "/css/**", "/js/**").permitAll()
+                .requestMatchers("/user").hasAnyRole("USER", "ADMIN")
+                .requestMatchers("/admin").hasRole("ADMIN")
+                .anyRequest().authenticated()
+            )
+            .formLogin(form -> form
+                .loginPage("/login")
+                .defaultSuccessUrl("/", true)
+                .permitAll()
+            )
+            .logout(logout -> logout
+                .logoutUrl("/logout")
+                .logoutSuccessUrl("/")
+                .permitAll()
+            )
+            .httpBasic(Customizer.withDefaults());
+        return http.build();
+    }
+
+    @Bean
+    public UserDetailsService userDetailsService() {
+        return new InMemoryUserDetailsManager(users.getUserDetails());
+    }
+
+    @Bean
+    public PasswordEncoder passwordEncoder() {
+        return new BCryptPasswordEncoder();
+    }
+}

spring-boot-security-root/spring-boot-auth-roles/src/main/java/org/alexmond/sample/auth/Users.java

@@ -0,0 +1,32 @@
+package org.alexmond.sample.auth;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.core.userdetails.User;
+import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
+import org.springframework.security.crypto.password.PasswordEncoder;
+import org.springframework.stereotype.Component;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+@Component
+@ConfigurationProperties("users")
+public class Users {
+    public List<AppUser> appUsers;
+
+    public Collection<UserDetails> getUserDetails() {
+        PasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
+        Collection<UserDetails> userDetails = new ArrayList<>();
+        if (appUsers != null) {
+            for (AppUser appUser : appUsers) {
+                userDetails.add(User.withUsername(appUser.getUsername())
+                    .password(appUser.getPassword())
+                    .roles(appUser.getRoles().toArray(new String[0]))
+                    .build());
+            }
+        }
+        return userDetails;
+    }
+}

spring-boot-security-root/spring-boot-auth-roles/src/main/java/org/alexmond/sample/auth/WebController.java

@@ -0,0 +1,27 @@
+package org.alexmond.sample.auth;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+
+@Controller
+public class WebController {
+    @GetMapping("/")
+    public String index() {
+        return "index";
+    }
+
+    @GetMapping("/user")
+    public String user() {
+        return "user";
+    }
+
+    @GetMapping("/admin")
+    public String admin() {
+        return "admin";
+    }
+
+    @GetMapping("/login")
+    public String login() {
+        return "login";
+    }
+}

spring-boot-security-root/spring-boot-auth-roles/src/main/resources/application.yaml

@@ -0,0 +1,8 @@
+users:
+  appUsers:
+    - username: user
+      password: "{noop}password"
+      roles: ["USER"]
+    - username: admin
+      password: "{noop}password"
+      roles: ["ADMIN", "USER"]

spring-boot-security-root/spring-boot-auth-roles/src/main/resources/templates/admin.html

@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<html xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Admin Page</title>
+    <link th:href="@{/webjars/bootstrap/css/bootstrap.min.css}" rel="stylesheet">
+    <link th:href="@{/webjars/font-awesome/css/all.min.css}" rel="stylesheet">
+</head>
+<body>
+<nav class="navbar navbar-expand-lg navbar-dark bg-dark">
+    <div class="container">
+        <a class="navbar-brand" href="/">Auth Roles Demo</a>
+        <div class="navbar-nav ms-auto">
+            <form th:action="@{/logout}" method="post" style="display:inline;">
+                <button class="btn btn-outline-light" type="submit">Logout</button>
+            </form>
+        </div>
+    </div>
+</nav>
+<div class="container mt-4">
+    <h1>Admin Page</h1>
+    <p>This page is accessible to users with the ADMIN role only.</p>
+    <a class="btn btn-secondary" th:href="@{/}">Back to Home</a>
+</div>
+<script th:src="@{/webjars/bootstrap/js/bootstrap.bundle.min.js}"></script>
+</body>
+</html>

spring-boot-security-root/spring-boot-auth-roles/src/main/resources/templates/index.html

@@ -0,0 +1,36 @@
+<!DOCTYPE html>
+<html xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Index</title>
+    <link th:href="@{/webjars/bootstrap/css/bootstrap.min.css}" rel="stylesheet">
+    <link th:href="@{/webjars/font-awesome/css/all.min.css}" rel="stylesheet">
+</head>
+<body>
+<nav class="navbar navbar-expand-lg navbar-dark bg-dark">
+    <div class="container">
+        <a class="navbar-brand" href="/">Auth Roles Demo</a>
+        <div class="navbar-nav ms-auto">
+            <span th:if="${#authorization.expression('isAuthenticated()')}">
+                <form th:action="@{/logout}" method="post" style="display:inline;">
+                    <button class="btn btn-outline-light" type="submit">Logout</button>
+                </form>
+            </span>
+            <span th:if="${!#authorization.expression('isAuthenticated()')}">
+                <a class="btn btn-outline-light" th:href="@{/login}">Login</a>
+            </span>
+        </div>
+    </div>
+</nav>
+<div class="container mt-4">
+    <h1>Welcome to the Auth Roles Demo</h1>
+    <p>This is the public index page. Anyone can access this page.</p>
+    <div>
+        <a class="btn btn-primary" th:href="@{/user}">User Page</a>
+        <a class="btn btn-danger" th:href="@{/admin}">Admin Page</a>
+    </div>
+</div>
+<script th:src="@{/webjars/bootstrap/js/bootstrap.bundle.min.js}"></script>
+</body>
+</html>

spring-boot-security-root/spring-boot-auth-roles/src/main/resources/templates/login.html

@@ -0,0 +1,40 @@
+<!DOCTYPE html>
+<html xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Login</title>
+    <link th:href="@{/webjars/bootstrap/css/bootstrap.min.css}" rel="stylesheet">
+    <link th:href="@{/webjars/font-awesome/css/all.min.css}" rel="stylesheet">
+</head>
+<body>
+<div class="container mt-5">
+    <div class="row justify-content-center">
+        <div class="col-md-4">
+            <div class="card">
+                <div class="card-header text-center">
+                    <h3>Login</h3>
+                </div>
+                <div class="card-body">
+                    <form th:action="@{/login}" method="post">
+                        <div class="mb-3">
+                            <label for="username" class="form-label">Username</label>
+                            <input type="text" class="form-control" id="username" name="username" required autofocus>
+                        </div>
+                        <div class="mb-3">
+                            <label for="password" class="form-label">Password</label>
+                            <input type="password" class="form-control" id="password" name="password" required>
+                        </div>
+                        <div th:if="${param.error}" class="alert alert-danger" role="alert">
+                            Invalid username or password.
+                        </div>
+                        <button type="submit" class="btn btn-primary w-100">Login</button>
+                    </form>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+<script th:src="@{/webjars/bootstrap/js/bootstrap.bundle.min.js}"></script>
+</body>
+</html>