Примеры к занятиям Spring 23-09

2026-05-30 10:50:42 +00:00 · 2024-01-15 19:57:43 +03:00
parent e90d3827d8
commit 3e22c05a08
46 changed files with 1004 additions and 0 deletions
@@ -0,0 +1,67 @@
+<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>ru.otus</groupId>
+    <artifactId>spring-framework-27-webflux</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.7.8</version>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-webflux</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-thymeleaf</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.security</groupId>
+            <artifactId>spring-security-core</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.security</groupId>
+            <artifactId>spring-security-config</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.security</groupId>
+            <artifactId>spring-security-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-mongodb-reactive</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>de.flapdoodle.embed</groupId>
+            <artifactId>de.flapdoodle.embed.mongo</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+    <repositories>
+        <repository>
+            <id>spring-milestone</id>
+            <url>http://repo.spring.io/milestone</url>
+        </repository>
+    </repositories>
+</project>
@@ -0,0 +1,22 @@
+package ru.otus.spring;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Bean;
+import org.springframework.core.io.ClassPathResource;
+import org.springframework.web.reactive.function.server.RouterFunction;
+import org.springframework.web.reactive.function.server.RouterFunctions;
+import org.springframework.web.reactive.function.server.ServerResponse;
+
+@SpringBootApplication
+public class WebFluxStarter {
+
+    public static void main( String[] args ) {
+        SpringApplication.run( WebFluxStarter.class );
+    }
+
+    @Bean
+    RouterFunction<ServerResponse> staticResourceRouter() {
+        return RouterFunctions.resources( "/**.html", new ClassPathResource( "static/" ) );
+    }
+}
@@ -0,0 +1,41 @@
+package ru.otus.spring.data;
+
+import org.springframework.data.annotation.Id;
+import org.springframework.data.mongodb.core.mapping.Document;
+
+@Document
+public class Person {
+
+    @Id
+    private String id;
+
+    private String name;
+
+    public Person() {
+    }
+
+    public Person( String name ) {
+        this.name = name;
+    }
+
+    public Person( String id, String name ) {
+        this.id = id;
+        this.name = name;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId( String id ) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName( String name ) {
+        this.name = name;
+    }
+}
@@ -0,0 +1,11 @@
+package ru.otus.spring.data;
+
+import org.springframework.data.mongodb.repository.ReactiveMongoRepository;
+import org.springframework.stereotype.Repository;
+import reactor.core.publisher.Mono;
+
+@Repository
+public interface PersonRepository extends ReactiveMongoRepository<Person, String> {
+
+    Mono<Person> findByName( String string );
+}
@@ -0,0 +1,34 @@
+package ru.otus.spring.rest;
+
+import org.springframework.web.bind.annotation.*;
+import reactor.core.publisher.Flux;
+import reactor.core.publisher.Mono;
+import ru.otus.spring.data.Person;
+import ru.otus.spring.data.PersonRepository;
+
+@RestController
+public class PersonController {
+
+    private final PersonRepository personRepository;
+
+    public PersonController( PersonRepository personRepository ) {
+        this.personRepository = personRepository;
+    }
+
+    @GetMapping("/person")
+    public Flux<Person> getAll() {
+        return personRepository.findAll();
+    }
+
+    @GetMapping("/person/find")
+    public Mono<Person> find( @RequestParam("name") String name ) {
+        return personRepository.findByName( name )
+                .cache();
+    }
+
+
+    @PostMapping("/person")
+    public Mono<Person> savePerson( @RequestBody Person person ) {
+        return personRepository.save( person );
+    }
+}
@@ -0,0 +1,47 @@
+package ru.otus.spring.security;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.http.HttpMethod;
+import org.springframework.security.config.annotation.method.configuration.EnableReactiveMethodSecurity;
+import org.springframework.security.config.annotation.web.reactive.EnableWebFluxSecurity;
+import org.springframework.security.config.web.server.ServerHttpSecurity;
+import org.springframework.security.core.userdetails.MapReactiveUserDetailsService;
+import org.springframework.security.core.userdetails.ReactiveUserDetailsService;
+import org.springframework.security.core.userdetails.User;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.crypto.password.NoOpPasswordEncoder;
+import org.springframework.security.crypto.password.PasswordEncoder;
+import org.springframework.security.web.server.SecurityWebFilterChain;
+
+@EnableWebFluxSecurity
+@EnableReactiveMethodSecurity
+public class SecurityConfiguration {
+
+    @Bean
+    public SecurityWebFilterChain springWebFilterChain( ServerHttpSecurity http ) {
+        return http
+                .authorizeExchange()
+                .pathMatchers( HttpMethod.GET, "/authenticated.html" ).hasRole( "USER" )
+                // anonymous
+                .anyExchange().permitAll()
+                .and()
+                .httpBasic()
+                .and()
+                .build();
+    }
+
+    @Bean
+    public PasswordEncoder passwordEncoder() {
+        return NoOpPasswordEncoder.getInstance();
+    }
+
+    @Bean
+    public ReactiveUserDetailsService userDetailsService() {
+        UserDetails user = User
+                .withUsername( "user" )
+                .password( "password" )
+                .roles( "USER" )
+                .build();
+        return new MapReactiveUserDetailsService( user );
+    }
+}
@@ -0,0 +1 @@
+spring.mongodb.embedded.version: 3.5.5
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8"/>
+</head>
+<body>
+Только для авторизованных
+</body>
+</html>
@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8"/>
+</head>
+<body>
+<a href="public.html">/public.html</a>
+<br>
+<a href="authenticated.html">/authenticated.html</a>
+</body>
+</html>
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8"/>
+</head>
+<body>
+Доступен всем
+</body>
+</html>
@@ -0,0 +1,54 @@
+<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>ru.otus</groupId>
+    <artifactId>classwork</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.7.8</version>
+        <relativePath/>
+    </parent>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+        <java.version>17</java.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+
+        <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>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>
@@ -0,0 +1,13 @@
+package ru.otus.spring;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SpringSecurityAuthorization {
+
+    public static void main(String[] args) {
+        SpringApplication.run(SpringSecurityAuthorization.class);
+    }
+
+}
@@ -0,0 +1,59 @@
+package ru.otus.spring.controller;
+
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+import ru.otus.spring.service.MyService;
+
+@Controller
+public class PagesController {
+
+    private final MyService myService;
+
+    public PagesController(MyService myService) {
+        this.myService = myService;
+    }
+
+    @GetMapping("/")
+    public String indexPage() {
+        return "index";
+    }
+
+    @GetMapping("/public")
+    public String publicPage() {
+        return "public";
+    }
+
+    @GetMapping("/user")
+    public String userPage() {
+        myService.onlyUser();
+        return "user";
+    }
+
+    @GetMapping("/manager")
+    public String managerPage() {
+        return "manager";
+    }
+
+    @GetMapping("/admin")
+    //@Secured( "ADMIN" )
+    public String adminPage() {
+        myService.onlyUser();
+        //myService.onlyAdmin();
+        return "admin";
+    }
+
+    @GetMapping("/authenticated")
+    public String authenticatedPage() {
+        UserDetails userDetails = (UserDetails) SecurityContextHolder
+            .getContext().getAuthentication().getPrincipal();
+        System.out.println(userDetails.getUsername());
+        return "authenticated";
+    }
+
+    @GetMapping("/success")
+    public String successPage() {
+        return "success";
+    }
+}
@@ -0,0 +1,16 @@
+package ru.otus.spring.controller;
+
+import org.springframework.http.ResponseEntity;
+import org.springframework.security.access.AccessDeniedException;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+
+import java.util.Optional;
+
+@ControllerAdvice
+public class SecurityControllerAdvice {
+    @ExceptionHandler(AccessDeniedException.class)
+    public ResponseEntity<String> accessError() {
+        return ResponseEntity.of(Optional.of("Неудачник"));
+    }
+}
@@ -0,0 +1,10 @@
+package ru.otus.spring.security;
+
+import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
+
+@EnableGlobalMethodSecurity(
+    securedEnabled = true,
+    prePostEnabled = true
+)
+public class MethodSecurityConfiguration {
+}
@@ -0,0 +1,45 @@
+package ru.otus.spring.security;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
+import org.springframework.security.core.userdetails.User;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.provisioning.InMemoryUserDetailsManager;
+import org.springframework.security.web.SecurityFilterChain;
+
+import java.util.ArrayList;
+
+@EnableWebSecurity
+public class SecurityConfiguration {
+
+    @Bean
+    public SecurityFilterChain securityFilterChain( HttpSecurity http ) throws Exception {
+        http
+                .csrf().disable()
+                .authorizeHttpRequests( ( authorize ) -> authorize
+                        .antMatchers( "/public", "/" ).permitAll()
+                        .antMatchers( "/authenticated", "/success" ).authenticated()
+                        .antMatchers( "/manager" ).hasAnyRole( "MANAGER" )
+                        .antMatchers( "/user" ).hasAnyRole( "ADMIN", "USER" )
+                        .anyRequest().denyAll()
+                )
+                .formLogin()
+
+        ;
+        return http.build();
+    }
+
+    @Bean
+    public InMemoryUserDetailsManager userDetailsService() {
+        var users = new ArrayList<UserDetails>();
+        users.add( User
+                .withDefaultPasswordEncoder().username( "admin" ).password( "password" ).roles( "ADMIN" )
+                .build() );
+        users.add( User
+                .withDefaultPasswordEncoder().username( "user" ).password( "password" ).roles( "USER" )
+                .build() );
+        return new InMemoryUserDetailsManager( users );
+
+    }
+}
@@ -0,0 +1,17 @@
+package ru.otus.spring.service;
+
+import org.springframework.security.access.annotation.Secured;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.stereotype.Service;
+
+@Service
+public class MyService {
+    @PreAuthorize("hasRole('ROLE_USER') && {new java.util.Random().nextInt()%2 == 0}")
+    public String onlyUser() {
+        return "My love";
+    }
+
+    @Secured("ADMIN")
+    public void onlyAdmin() {
+    }
+}
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8"/>
+</head>
+<body>
+Страница с доступом только админу
+</body>
+</html>
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8"/>
+</head>
+<body>
+Только для аторизованных
+</body>
+</html>
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8"/>
+</head>
+<body>
+Вам доступ запрещён!
+</body>
+</html>
@@ -0,0 +1,15 @@
+<!DOCTYPE html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8"/>
+</head>
+<body>
+<a th:href="@{public}">/public</a>
+<br>
+<a th:href="@{authenticated}">/authenticated</a>
+<br>
+<a th:href="@{user}">/user</a>
+<br>
+<a th:href="@{admin}">/admin</a>
+</body>
+</html>
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8"/>
+</head>
+<body>
+Доступ к MANAGER
+</body>
+</html>
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8"/>
+</head>
+<body>
+Доступен всем
+</body>
+</html>
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8"/>
+</head>
+<body>
+Вы успешно вошли !
+</body>
+</html>
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8"/>
+</head>
+<body>
+Доступ к USER
+</body>
+</html>
@@ -0,0 +1,87 @@
+<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>ru.otus</groupId>
+    <artifactId>spring-framework-27-oauth</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.6.10</version>
+    </parent>
+
+    <properties>
+        <ehcache-core.version>2.6.11</ehcache-core.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.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-oauth2-client</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+        </dependency>
+
+
+        <dependency>
+            <groupId>org.springdoc</groupId>
+            <artifactId>springdoc-openapi-ui</artifactId>
+            <version>1.6.9</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.webjars</groupId>
+            <artifactId>jquery</artifactId>
+            <version>3.4.1</version>
+        </dependency>
+        <dependency>
+            <groupId>org.webjars</groupId>
+            <artifactId>bootstrap</artifactId>
+            <version>4.3.1</version>
+        </dependency>
+        <dependency>
+            <groupId>org.webjars</groupId>
+            <artifactId>webjars-locator-core</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.webjars</groupId>
+            <artifactId>js-cookie</artifactId>
+            <version>2.1.0</version>
+        </dependency>
+
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>
@@ -0,0 +1,13 @@
+package ru.otus.spring.sso;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class GithubApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run( GithubApplication.class, args);
+	}
+
+}
@@ -0,0 +1,13 @@
+package ru.otus.spring.sso.controller;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+
+@Controller
+public class IndexController {
+
+    @GetMapping("/")
+    public String indexPage() {
+        return "index";
+    }
+}
@@ -0,0 +1,17 @@
+package ru.otus.spring.sso.controller;
+
+import org.springframework.security.core.annotation.AuthenticationPrincipal;
+import org.springframework.security.oauth2.core.user.OAuth2User;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.Collections;
+import java.util.Map;
+
+@RestController
+public class UserController {
+    @GetMapping("/user")
+    public Map<String, Object> user( @AuthenticationPrincipal OAuth2User principal) {
+        return Collections.singletonMap("name", principal.getAttribute("name"));
+    }
+}
@@ -0,0 +1,26 @@
+package ru.otus.spring.sso.security;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
+import org.springframework.security.web.authentication.HttpStatusEntryPoint;
+
+public class SecurityConfig extends WebSecurityConfigurerAdapter {
+    @Override
+    protected void configure( HttpSecurity http ) throws Exception {
+        http
+                .authorizeRequests( a -> a
+                        .antMatchers( "/", "/error", "/webjars/**" ).permitAll()
+                        .anyRequest().authenticated()
+                )
+                .exceptionHandling( e -> e
+                        .authenticationEntryPoint( new HttpStatusEntryPoint( HttpStatus.UNAUTHORIZED ) )
+                )
+                .csrf().disable()
+                .logout( l -> l
+                        .logoutSuccessUrl( "/" ).permitAll()
+                )
+
+                .oauth2Login();
+    }
+}
@@ -0,0 +1,13 @@
+spring:
+  security:
+    oauth2:
+      client:
+        registration:
+          github:
+            clientId: fdec09b924be7f214eaa
+            clientSecret: 5436beb72dc2ec7f2320afcab5185c1ea03d484b
+
+logging:
+  level:
+    root: error
+    org.springframework.security: DEBUG
@@ -0,0 +1,18 @@
+<!doctype html>
+<html lang="en">
+<head>
+    <meta charset="utf-8"/>
+    <meta http-equiv="X-UA-Compatible" content="IE=edge"/>
+    <title>Demo</title>
+    <meta name="description" content=""/>
+    <meta name="viewport" content="width=device-width"/>
+    <base href="/"/>
+    <link rel="stylesheet" type="text/css" href="/webjars/bootstrap/css/bootstrap.min.css"/>
+    <script type="text/javascript" src="/webjars/jquery/jquery.min.js"></script>
+    <script type="text/javascript" src="/webjars/bootstrap/js/bootstrap.min.js"></script>
+</head>
+<body>
+<h1>Demo</h1>
+<div class="container"></div>
+</body>
+</html>
@@ -0,0 +1,54 @@
+<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>ru.otus</groupId>
+    <artifactId>solution2</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.7.8</version>
+        <relativePath/>
+    </parent>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+        <java.version>17</java.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+
+        <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>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>
@@ -0,0 +1,13 @@
+package ru.otus.spring;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SpringSecurityAuthorization {
+
+    public static void main(String[] args) {
+        SpringApplication.run(SpringSecurityAuthorization.class);
+    }
+
+}
@@ -0,0 +1,56 @@
+package ru.otus.spring.controller;
+
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+import ru.otus.spring.service.MyService;
+
+@Controller
+public class PagesController {
+
+    private final MyService myService;
+
+    public PagesController(MyService myService) {
+        this.myService = myService;
+    }
+
+    @GetMapping("/")
+    public String indexPage() {
+        return "index";
+    }
+
+    @GetMapping("/public")
+    public String publicPage() {
+        return "public";
+    }
+
+    @GetMapping("/user")
+    public String userPage() {
+        return "user";
+    }
+
+    @GetMapping("/manager")
+    public String managerPage() {
+        myService.onlyAdmin();
+        return "manager";
+    }
+
+    @GetMapping("/admin")
+    public String adminPage() {
+        return "admin";
+    }
+
+    @GetMapping("/authenticated")
+    public String authenticatedPage() {
+        UserDetails userDetails = (UserDetails) SecurityContextHolder
+            .getContext().getAuthentication().getPrincipal();
+        System.out.println(userDetails.getUsername());
+        return "authenticated";
+    }
+
+    @GetMapping("/success")
+    public String successPage() {
+        return "success";
+    }
+}
@@ -0,0 +1,7 @@
+package ru.otus.spring.security;
+
+import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
+
+@EnableGlobalMethodSecurity(prePostEnabled = true)
+public class MethodSecurityConfiguration {
+}
@@ -0,0 +1,51 @@
+package ru.otus.spring.security;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
+import org.springframework.security.core.userdetails.User;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.provisioning.InMemoryUserDetailsManager;
+import org.springframework.security.web.SecurityFilterChain;
+
+import java.util.ArrayList;
+
+@EnableWebSecurity
+public class SecurityConfiguration {
+
+
+    @Bean
+    public SecurityFilterChain securityFilterChain( HttpSecurity http ) throws Exception {
+        http
+                .csrf().disable()
+//                .sessionManagement().sessionCreationPolicy( SessionCreationPolicy.STATELESS)
+//                .and()
+                .authorizeHttpRequests( ( authorize ) -> authorize
+                        .antMatchers( "/public", "/" ).permitAll()
+                        .antMatchers( "/authenticated", "/success" ).authenticated()
+                        .antMatchers( "/manager" ).hasAnyRole( "MANAGER" )
+                        .antMatchers( "/user" ).hasAnyRole( "ADMIN", "USER" )
+                        .anyRequest().denyAll()
+                )
+                .formLogin()
+
+        ;
+        return http.build();
+    }
+
+    @Bean
+    public InMemoryUserDetailsManager userDetailsService() {
+        var users = new ArrayList<UserDetails>();
+        users.add( User
+                .withDefaultPasswordEncoder().username( "admin" ).password( "password" ).roles( "ADMIN" )
+                .build() );
+        users.add( User
+                .withDefaultPasswordEncoder().username( "user" ).password( "password" ).roles( "USER" )
+                .build() );
+        users.add( User
+                .withDefaultPasswordEncoder().username( "manager" ).password( "password" ).roles( "MANAGER", "USER" )
+                .build() );
+        return new InMemoryUserDetailsManager( users );
+
+    }
+}
@@ -0,0 +1,12 @@
+package ru.otus.spring.service;
+
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.stereotype.Service;
+
+@Service
+public class MyService {
+
+    @PreAuthorize("hasRole('ADMIN')")
+    public void onlyAdmin() {
+    }
+}
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8"/>
+</head>
+<body>
+Страница с доступом только админу
+</body>
+</html>
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8"/>
+</head>
+<body>
+Только для аторизованных
+</body>
+</html>
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8"/>
+</head>
+<body>
+Вам доступ запрещён!
+</body>
+</html>
@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8"/>
+</head>
+<body>
+<a th:href="@{public}">/public</a>
+<br>
+<a th:href="@{authenticated}">/authenticated</a>
+<br>
+<a th:href="@{user}">/user</a>
+<br>
+<a th:href="@{manager}">/manager</a>
+<br>
+<a th:href="@{admin}">/admin</a>
+</body>
+</html>
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8"/>
+</head>
+<body>
+Доступ к MANAGER
+</body>
+</html>
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8"/>
+</head>
+<body>
+Доступен всем
+</body>
+</html>
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8"/>
+</head>
+<body>
+Вы успешно вошли !
+</body>
+</html>
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8"/>
+</head>
+<body>
+Доступ к USER
+</body>
+</html>