Примеры к вводной лекции по SPring Security

2021-02/spring-22/pom.xml

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+<?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-22-spring-security-start</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.3.3.RELEASE</version>
+    </parent>
+
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+        <java.version>11</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>

2021-02/spring-22/src/main/java/ru/otus/spring/Main.java

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+package ru.otus.spring;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class Main {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Main.class);
+    }
+}

2021-02/spring-22/src/main/java/ru/otus/spring/rest/PagesController.java

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+package ru.otus.spring.rest;
+
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.context.SecurityContext;
+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;
+
+@Controller
+public class PagesController {
+
+    @GetMapping("/")
+    public String indexPage() {
+        return "index";
+    }
+
+    @GetMapping("/public")
+    public String publicPage() {
+        return "public";
+    }
+
+    @GetMapping("/authenticated")
+    public String authenticatedPage() {
+        return "authenticated";
+    }
+
+    @GetMapping("/success")
+    public String successPage(){
+        return "success";
+    }
+}

2021-02/spring-22/src/main/java/ru/otus/spring/security/SecurityConfiguration.java

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+package ru.otus.spring.security;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Bean;
+import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.config.annotation.web.builders.WebSecurity;
+import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
+import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
+import org.springframework.security.config.http.SessionCreationPolicy;
+import org.springframework.security.core.GrantedAuthority;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.core.userdetails.UserDetailsService;
+import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
+import org.springframework.security.crypto.password.NoOpPasswordEncoder;
+import org.springframework.security.crypto.password.PasswordEncoder;
+import org.springframework.security.provisioning.InMemoryUserDetailsManager;
+
+import java.util.Collection;
+
+@EnableWebSecurity
+public class SecurityConfiguration extends WebSecurityConfigurerAdapter {
+
+    @Override
+    public void configure(WebSecurity web) {
+        web.ignoring()
+                .antMatchers("/")
+                .antMatchers( "/static/**" );
+    }
+
+    @Override
+    public void configure(HttpSecurity http) throws Exception {
+        http.csrf().disable()
+                // По умолчанию SecurityContext хранится в сессии. Эта часть вырубает и каждый запросом приходитТ
+//                .sessionManagement()
+//                .sessionCreationPolicy(SessionCreationPolicy.ALWAYS)
+//                .and()
+                .authorizeRequests()
+                .antMatchers("/public/").anonymous()
+                .and()
+                .authorizeRequests()
+                .antMatchers("/authenticated").authenticated()
+//                .and()
+//                .authorizeRequests().antMatchers("/public").authenticated()
+                .and()
+                .httpBasic()
+                .and()
+                .anonymous()
+                .principal( "anonymous" )
+                .and()
+                .rememberMe().key( "Some secret" )
+        ;
+    }
+
+    @Bean
+    public PasswordEncoder passwordEncoder() {
+//        return new BCryptPasswordEncoder(10);
+        return NoOpPasswordEncoder.getInstance();
+//        return new PasswordEncoder() {
+//            @Override
+//            public String encode(CharSequence charSequence) {
+//                return charSequence.toString();
+//            }
+//
+//            @Override
+//            public boolean matches(CharSequence charSequence, String s) {
+//                return charSequence.toString().equals(s);
+//            }
+//        };
+    }
+
+    @Autowired
+    public void configure(AuthenticationManagerBuilder auth) throws Exception {
+        auth.inMemoryAuthentication()
+                .withUser("admin").password("password").roles("ADMIN")
+                ;
+    }
+}

2021-02/spring-22/src/main/resources/templates/authenticated.html

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+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8"/>
+</head>
+<body>
+Только для авторизованных
+</body>
+</html>

2021-02/spring-22/src/main/resources/templates/index.html

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+<!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>
+</body>
+</html>

2021-02/spring-22/src/main/resources/templates/public.html

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+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8"/>
+</head>
+<body>
+Доступен всем
+</body>
+</html>

2021-02/spring-22/src/main/resources/templates/success.html

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+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8"/>
+    <title>Вы успешно вошли</title>
+</head>
+<body>
+Вы успешно вошли
+</body>
+</html>