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在Spring Boot中集成Keycloak認(rèn)證是一個(gè)相對(duì)簡單的過程。Keycloak是一個(gè)開源的身份和訪問管理解決方案,可以與Spring Boot應(yīng)用程序無縫集成。以下是將Keycloak集成到Spring Boot應(yīng)用程序的步驟:
首先,你需要在你的環(huán)境中安裝Keycloak服務(wù)器。你可以從Keycloak官方網(wǎng)站下載并安裝適合你操作系統(tǒng)的版本。
啟動(dòng)Keycloak服務(wù)器后,你需要?jiǎng)?chuàng)建一個(gè)新的Realm和Client。
登錄到Keycloak管理控制臺(tái):
打開瀏覽器,訪問http://localhost:8080/auth/admin/
,并使用管理員賬戶登錄。
創(chuàng)建Realm:
創(chuàng)建Client:
配置Service Account:
user:read-profile
)。在你的Spring Boot應(yīng)用程序中,你需要添加Keycloak相關(guān)的依賴,并配置認(rèn)證和授權(quán)。
在你的pom.xml
文件中添加以下依賴:
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.keycloak</groupId>
<artifactId>keycloak-spring-boot-starter</artifactId>
<version>21.0.1</version>
</dependency>
在你的application.yml
文件中添加以下配置:
keycloak:
auth-server-url: http://localhost:8080/auth
realm: myrealm
resource: myclient
credentials:
secret: <你的Service Account密碼>
創(chuàng)建一個(gè)新的配置類來配置Spring Security和Keycloak:
import org.keycloak.adapters.springboot.KeycloakSpringBootConfigResolver;
import org.keycloak.adapters.springsecurity.KeycloakConfiguration;
import org.keycloak.adapters.springsecurity.authentication.KeycloakAuthenticationProvider;
import org.keycloak.adapters.springsecurity.config.KeycloakWebSecurityConfigurerAdapter;
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.configuration.EnableWebSecurity;
import org.springframework.security.core.authority.mapping.SimpleAuthorityMapper;
import org.springframework.security.web.authentication.session.RegisterSessionAuthenticationStrategy;
import org.springframework.security.web.authentication.session.SessionAuthenticationStrategy;
@KeycloakConfiguration
@EnableWebSecurity
public class SecurityConfig extends KeycloakWebSecurityConfigurerAdapter {
@Autowired
public void configureGlobal(AuthenticationManagerBuilder auth) throws Exception {
KeycloakAuthenticationProvider keycloakAuthenticationProvider = keycloakAuthenticationProvider();
keycloakAuthenticationProvider.setGrantedAuthoritiesMapper(new SimpleAuthorityMapper());
auth.authenticationProvider(keycloakAuthenticationProvider);
}
@Bean
@Override
protected SessionAuthenticationStrategy sessionAuthenticationStrategy() {
return new RegisterSessionAuthenticationStrategy(new SessionRegistryImpl());
}
@Override
protected void configure(HttpSecurity http) throws Exception {
super.configure(http);
http
.authorizeRequests()
.antMatchers("/admin/**").hasRole("admin")
.antMatchers("/user/**").hasRole("user")
.anyRequest().authenticated()
.and()
.formLogin()
.loginPage("/login")
.permitAll()
.and()
.logout()
.permitAll();
}
@Bean
public KeycloakSpringBootConfigResolver KeycloakConfigResolver() {
return new KeycloakSpringBootConfigResolver();
}
}
在你的Spring Boot應(yīng)用程序中創(chuàng)建一個(gè)簡單的登錄頁面(例如src/main/resources/templates/login.html
):
<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
<title>Login</title>
</head>
<body>
<h1>Login</h1>
<form action="/login" method="post">
<label for="username">Username:</label>
<input type="text" id="username" name="username" required><br><br>
<label for="password">Password:</label>
<input type="password" id="password" name="password" required><br><br>
<button type="submit">Login</button>
</form>
</body>
</html>
啟動(dòng)你的Spring Boot應(yīng)用程序,并訪問http://localhost:8080/login
頁面。你應(yīng)該能夠使用Keycloak創(chuàng)建的賬戶登錄。
通過以上步驟,你已經(jīng)成功地將Keycloak集成到你的Spring Boot應(yīng)用程序中,并配置了基本的認(rèn)證和授權(quán)。
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