<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>Spring on YuuuuuuYu</title><link>https://4d4cat.com/tags/spring/</link><description>Recent content in Spring on YuuuuuuYu</description><generator>Hugo -- 0.147.2</generator><language>ko-KR</language><lastBuildDate>Tue, 26 Aug 2025 16:33:46 +0900</lastBuildDate><atom:link href="https://4d4cat.com/tags/spring/index.xml" rel="self" type="application/rss+xml"/><item><title>스프링 시큐리티 기본</title><link>https://4d4cat.com/posts/2024/spring-security-example/</link><pubDate>Fri, 20 Dec 2024 17:50:00 +0900</pubDate><guid>https://4d4cat.com/posts/2024/spring-security-example/</guid><description>&lt;p>🔔 &lt;strong>스프링 시큐리티 개념&lt;/strong>&lt;/p>
&lt;blockquote>
&lt;p>&lt;a href="https://spring.io/guides/gs/securing-web">스프링 가이드&lt;/a>를 참고하여 스프링 시큐리티의 기본을 공부해보았다.&lt;/p>&lt;/blockquote>
&lt;h2 id="websecurityconfig">&lt;strong>WebSecurityConfig&lt;/strong>&lt;/h2>
&lt;div class="highlight">&lt;pre tabindex="0" class="chroma">&lt;code class="language-java" data-lang="java">&lt;span class="line">&lt;span class="cl">&lt;span class="nd">@Configuration&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w">&lt;/span>&lt;span class="nd">@EnableWebSecurity&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w">&lt;/span>&lt;span class="kd">public&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="kd">class&lt;/span> &lt;span class="nc">WebSecurityConfig&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="p">{&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="nd">@Bean&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="kd">public&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="n">SecurityFilterChain&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="nf">securityFilterChain&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="n">HttpSecurity&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="n">http&lt;/span>&lt;span class="p">)&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="kd">throws&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="n">Exception&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="p">{&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="n">RequestCache&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="n">nullRequestCache&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="k">new&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="n">NullRequestCache&lt;/span>&lt;span class="p">();&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="n">http&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="p">.&lt;/span>&lt;span class="na">requestCache&lt;/span>&lt;span class="p">((&lt;/span>&lt;span class="n">cache&lt;/span>&lt;span class="p">)&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="o">-&amp;gt;&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="n">cache&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="p">.&lt;/span>&lt;span class="na">requestCache&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="n">nullRequestCache&lt;/span>&lt;span class="p">)&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="p">)&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="p">.&lt;/span>&lt;span class="na">authorizeHttpRequests&lt;/span>&lt;span class="p">((&lt;/span>&lt;span class="n">requests&lt;/span>&lt;span class="p">)&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="o">-&amp;gt;&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="n">requests&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="p">.&lt;/span>&lt;span class="na">requestMatchers&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="s">&amp;#34;/&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="s">&amp;#34;/home&amp;#34;&lt;/span>&lt;span class="p">).&lt;/span>&lt;span class="na">permitAll&lt;/span>&lt;span class="p">()&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="p">.&lt;/span>&lt;span class="na">anyRequest&lt;/span>&lt;span class="p">().&lt;/span>&lt;span class="na">authenticated&lt;/span>&lt;span class="p">()&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="p">)&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="p">.&lt;/span>&lt;span class="na">formLogin&lt;/span>&lt;span class="p">((&lt;/span>&lt;span class="n">form&lt;/span>&lt;span class="p">)&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="o">-&amp;gt;&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="n">form&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="p">.&lt;/span>&lt;span class="na">loginPage&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="s">&amp;#34;/login&amp;#34;&lt;/span>&lt;span class="p">)&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="p">.&lt;/span>&lt;span class="na">permitAll&lt;/span>&lt;span class="p">()&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="p">)&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="p">.&lt;/span>&lt;span class="na">logout&lt;/span>&lt;span class="p">((&lt;/span>&lt;span class="n">logout&lt;/span>&lt;span class="p">)&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="o">-&amp;gt;&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="n">logout&lt;/span>&lt;span class="p">.&lt;/span>&lt;span class="na">permitAll&lt;/span>&lt;span class="p">());&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="k">return&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="n">http&lt;/span>&lt;span class="p">.&lt;/span>&lt;span class="na">build&lt;/span>&lt;span class="p">();&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="p">}&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="nd">@Bean&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="kd">public&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="n">UserDetailsService&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="nf">userDetailsService&lt;/span>&lt;span class="p">()&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="p">{&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="n">UserDetails&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="n">user&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="n">User&lt;/span>&lt;span class="p">.&lt;/span>&lt;span class="na">withDefaultPasswordEncoder&lt;/span>&lt;span class="p">()&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="p">.&lt;/span>&lt;span class="na">username&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="s">&amp;#34;user&amp;#34;&lt;/span>&lt;span class="p">)&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="p">.&lt;/span>&lt;span class="na">password&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="s">&amp;#34;password&amp;#34;&lt;/span>&lt;span class="p">)&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="p">.&lt;/span>&lt;span class="na">roles&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="s">&amp;#34;USER&amp;#34;&lt;/span>&lt;span class="p">)&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="p">.&lt;/span>&lt;span class="na">build&lt;/span>&lt;span class="p">();&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="k">return&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="k">new&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="n">InMemoryUserDetailsManager&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="n">user&lt;/span>&lt;span class="p">);&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="p">}&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w">&lt;/span>&lt;span class="p">}&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;p>&lt;code>@EnableWebSecurity&lt;/code>를 설정하여 시큐리티를 활성화시키고 &lt;code>securityFilterChain&lt;/code>와 &lt;code>userDetailsService&lt;/code>를 구현했다.&lt;/p></description></item></channel></rss>