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Chapter 4. Add registration form, spring security for basic authentication.
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‎pom.xml

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

‎src/main/java/tacos/User.java

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package tacos;
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import lombok.AccessLevel;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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import lombok.RequiredArgsConstructor;
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import org.springframework.security.core.GrantedAuthority;
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import org.springframework.security.core.authority.SimpleGrantedAuthority;
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import org.springframework.security.core.userdetails.UserDetails;
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import javax.persistence.Entity;
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import javax.persistence.GeneratedValue;
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import javax.persistence.GenerationType;
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import javax.persistence.Id;
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import java.util.Arrays;
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import java.util.Collection;
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@Entity
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@Data
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@NoArgsConstructor(access= AccessLevel.PRIVATE, force=true)
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@RequiredArgsConstructor
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public class User implements UserDetails {
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private static final long serialVersionUID = 1L;
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@Id
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@GeneratedValue(strategy= GenerationType.AUTO)
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private Long id;
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private final String username;
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private final String password;
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private final String fullname;
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private final String street;
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private final String city;
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private final String state;
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private final String zip;
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private final String phoneNumber;
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@Override
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public Collection<? extends GrantedAuthority> getAuthorities() {
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return Arrays.asList(new SimpleGrantedAuthority("ROLE_USER"));
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}
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@Override
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public boolean isAccountNonExpired() {
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return true;
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}
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@Override
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public boolean isAccountNonLocked() {
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return true;
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}
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@Override
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public boolean isCredentialsNonExpired() {
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return true;
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}
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@Override
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public boolean isEnabled() {
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return true;
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}
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}

‎src/main/java/tacos/data/UserRepository.java

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package tacos.data;
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import org.springframework.data.repository.CrudRepository;
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import tacos.User;
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public interface UserRepository extends CrudRepository<User, Long> {
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User findByUsername(String username);
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}

‎src/main/java/tacos/security/RegistrationController.java

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package tacos.security;
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import org.springframework.security.crypto.password.PasswordEncoder;
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import org.springframework.stereotype.Controller;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.PostMapping;
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import org.springframework.web.bind.annotation.RequestMapping;
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import tacos.data.UserRepository;
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@Controller
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@RequestMapping("/register")
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public class RegistrationController {
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private UserRepository userRepo;
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private PasswordEncoder passwordEncoder;
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public RegistrationController(
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UserRepository userRepo, PasswordEncoder passwordEncoder) {
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this.userRepo = userRepo;
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this.passwordEncoder = passwordEncoder;
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}
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@GetMapping
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public String registerForm() {
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return "registration";
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}
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@PostMapping
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public String processRegistration(RegistrationForm form) {
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userRepo.save(form.toUser(passwordEncoder));
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return "redirect:/login";
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}
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}

‎src/main/java/tacos/security/RegistrationForm.java

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package tacos.security;
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import lombok.Data;
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import org.springframework.security.crypto.password.PasswordEncoder;
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import tacos.User;
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@Data
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public class RegistrationForm {
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private String username;
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private String password;
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private String fullname;
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private String street;
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private String city;
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private String state;
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private String zip;
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private String phone;
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public User toUser(PasswordEncoder passwordEncoder) {
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return new User(
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username, passwordEncoder.encode(password),
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fullname, street, city, state, zip, phone);
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}
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}

‎src/main/java/tacos/security/SecurityConfig.java

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package tacos.security;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
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import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
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import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
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import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
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import javax.sql.DataSource;
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@Configuration
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@EnableWebSecurity
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public class SecurityConfig extends WebSecurityConfigurerAdapter {
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@Autowired
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DataSource dataSource;
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@Override
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protected void configure(AuthenticationManagerBuilder auth) throws Exception {
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auth
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.jdbcAuthentication()
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.dataSource(dataSource)
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.usersByUsernameQuery(
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"select username, password, enabled from Users " +
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"where username=?")
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.authoritiesByUsernameQuery(
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"select username, authority from UserAuthorities " +
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"where username=?")
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.passwordEncoder(new BCryptPasswordEncoder(10));
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}
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}

‎src/main/java/tacos/security/UserRepositoryUserDetailsService.java

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package tacos.security;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.security.core.userdetails.UserDetails;
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import org.springframework.security.core.userdetails.UserDetailsService;
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import org.springframework.security.core.userdetails.UsernameNotFoundException;
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import org.springframework.stereotype.Service;
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import tacos.User;
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import tacos.data.UserRepository;
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@Service
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public class UserRepositoryUserDetailsService
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implements UserDetailsService {
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private UserRepository userRepo;
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@Autowired
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public UserRepositoryUserDetailsService(UserRepository userRepo) {
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this.userRepo = userRepo;
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}
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@Override
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public UserDetails loadUserByUsername(String username)
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throws UsernameNotFoundException {
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User user = userRepo.findByUsername(username);
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if (user != null) {
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return user;
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}
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throw new UsernameNotFoundException(
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"User '" + username + "' not found");
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}
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}

‎src/main/resources/data.sql

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delete from Taco_Order_Tacos;
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delete from Taco_Ingredients;
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delete from Taco;
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delete from Taco_Order;
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delete from Ingredient;
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delete from USERS;
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delete from USERAUTHORITIES;
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insert into Ingredient (id, name, type)
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values ('FLTO', 'Flour Tortilla', 'WRAP');
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insert into Ingredient (id, name, type)
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values ('COTO', 'Corn Tortilla', 'WRAP');
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insert into Ingredient (id, name, type)
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values ('GRBF', 'Ground Beef', 'PROTEIN');
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insert into Ingredient (id, name, type)
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values ('CARN', 'Carnitas', 'PROTEIN');
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insert into Ingredient (id, name, type)
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values ('TMTO', 'Diced Tomatoes', 'VEGGIES');
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insert into Ingredient (id, name, type)
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values ('LETC', 'Lettuce', 'VEGGIES');
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insert into Ingredient (id, name, type)
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values ('CHED', 'Cheddar', 'CHEESE');
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insert into Ingredient (id, name, type)
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values ('JACK', 'Monterrey Jack', 'CHEESE');
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insert into Ingredient (id, name, type)
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values ('SLSA', 'Salsa', 'SAUCE');
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insert into Ingredient (id, name, type)
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values ('SRCR', 'Sour Cream', 'SAUCE');
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insert into Users (username, password, enabled)
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values ('user', 'password', true);
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insert into USERAUTHORITIES (username, authority)
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values ('user', 'ALL');

‎src/main/resources/schema.sql

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create table if not exists Ingredient (
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id varchar(4) not null,
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name varchar(25) not null,
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type varchar(10) not null
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);
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create table if not exists Taco (
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id identity,
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name varchar(50) not null,
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createdAt timestamp not null
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);
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create table if not exists Taco_Ingredients (
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taco bigint not null,
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ingredient varchar(4) not null
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);
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alter table Taco_Ingredients
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add foreign key (taco) references Taco(id);
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alter table Taco_Ingredients
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add foreign key (ingredient) references Ingredient(id);
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create table if not exists Taco_Order (
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id identity,
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deliveryName varchar(50) not null,
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deliveryStreet varchar(50) not null,
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deliveryCity varchar(50) not null,
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deliveryState varchar(2) not null,
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deliveryZip varchar(10) not null,
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ccNumber varchar(16) not null,
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ccExpiration varchar(5) not null,
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ccCVV varchar(3) not null,
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placedAt timestamp not null
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);
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create table if not exists Taco_Order_Tacos (
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tacoOrder bigint not null,
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taco bigint not null
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);
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alter table Taco_Order_Tacos
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add foreign key (tacoOrder) references Taco_Order(id);
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alter table Taco_Order_Tacos
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add foreign key (taco) references Taco(id);
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create table if not exists Users (
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username varchar(25) not null,
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password varchar(25) not null,
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enabled boolean not null
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);
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create table if not exists UserAuthorities (
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username varchar(25) not null,
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authority varchar(25) not null
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);
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alter table UserAuthorities
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add foreign key (username) references Users(username);

‎src/main/resources/templates/registration.html

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<!DOCTYPE html>
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<html xmlns="http://www.w3.org/1999/xhtml"
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xmlns:th="http://www.thymeleaf.org">
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<head>
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<title>Taco Cloud</title>
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</head>
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<body>
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<h1>Register</h1>
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<img th:src="@{/images/TacoCloud.png}"/>
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<form method="POST" th:action="@{/register}" id="registerForm">
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<label for="username">Username: </label>
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<input type="text" name="username"/><br/>
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<label for="password">Password: </label>
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<input type="password" name="password"/><br/>
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<label for="confirm">Confirm password: </label>
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<input type="password" name="confirm"/><br/>
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<label for="fullname">Full name: </label>
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<input type="text" name="fullname"/><br/>
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<label for="street">Street: </label>
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<input type="text" name="street"/><br/>
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<label for="city">City: </label>
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<input type="text" name="city"/><br/>
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<label for="state">State: </label>
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<input type="text" name="state"/><br/>
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<label for="zip">Zip: </label>
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<input type="text" name="zip"/><br/>
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<label for="phone">Phone: </label>
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<input type="text" name="phone"/><br/>
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<input type="submit" value="Register"/>
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</form>
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</body>
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</html>

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