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Auto-generating Spring Security Tutorial Default JDBC Realms

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The previoustutorial showed how we can auto-generate of spring security using a memory realm. This tutorial expands on this to cover Default JDBC Realms using the source code from the parkrunPB application

Security Requirements

The site has the following links and security requirements

http://localhost:8080/ Accessible to all http://localhost:8080/webjars Static Resources Accessible to all http://localhost:8080/about.html Static page Accessible to all http://localhost:8080/login.html Accessible to all http://localhost:8080/admin/ Admin User http://localhost:8080/rest Accessible to all

We also have a requirement to use a users and roles with the structure

USER PASSWORD ROLES admin admin ADMIN Getting Started

The first thing we need to do is uncomment spring security in the maven pom

<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-security</artifactId> </dependency>

We can then compile and run the code

mvn spring-boot:run

The whole application is now locked down

Luckily we can login using the default username (user), and the password from the logs. Im my case

2016-11-06 21:16:56.877 INFO 8088 --- [main] b.a.s.AuthenticationManagerConfiguration : Using default security password: e1c87658-8b7e-4b1e-88da-902b5356ef66 Default JDBC Tables

We can now begin to create our SecurityConfiguration using Spring Security Generator


Auto-generating Spring Security Tutorial   Default JDBC Realms

We then get the generated source code

package com.glenware.springboot; import javax.sql.DataSource; import org.springframework.beans.factory.annotation.Autowired; 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.config.annotation.web.configuration.WebSecurityConfigurerAdapter; @EnableWebSecurity public class SecurityConfig extends WebSecurityConfigurerAdapter { @Autowired private DataSource dataSource; @Autowired public void configureGlobal(AuthenticationManagerBuilder auth) throws Exception { auth .jdbcAuthentication() .dataSource(dataSource) .withDefaultSchema() .withUser("admin").password("admin").roles("ADMIN"); } @Override protected void configure(HttpSecurity http) throws Exception { http .authorizeRequests() .antMatchers("/webjars/*","/about.html","/rest/**").permitAll() .antMatchers("/admin/**").hasAnyRole("ADMIN") .anyRequest().authenticated() .and() .formLogin() .loginPage("/login") .defaultSuccessUrl("/admin/admin.html") .failureUrl("/login") .permitAll() .and() .logout() .logoutSuccessUrl("/") .permitAll() ; } } Key Points Using JDBC Realm(Default) The default realm means Spring Security will use its default users.ddl Same configuration as before

We can now access the site the same as the memory realm, but with user details stored in the database. The next post will look at using a custom JDBC table


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