我正在尝试为Spring启动创建自己的自定义登录页面。我刚收到“ http://localhost:8080/login?error”,仅此而已。无法在控制台中调试任何内容。完全没有信息。我究竟做错了什么?我是Spring Boot和Java的新手。
login.html
<div id="login-form-wrapper">
<form id="login-form" action="/login" method="post">
<div class="form-group">
<label for="username">Email address</label>
<input type="email" name="username" id="username" class="form-control"
aria-describedby="emailHelp" autofocus required/>
<small id="emailHelp" class="form-text text-muted">We'll never share your email with anyone else.</small>
</div>
<div class="form-group">
<label for="password">Password</label>
<input type="password" name="password" class="form-control" id="password" required/>
</div>
<button type="submit" class="btn btn-primary">Login</button>
<div id="no-account-wrapper">
<small>Don't have an account?<a href="/registration"> Sign up</a></small>
</div>
</form>
控制器
@RequestMapping(value = "/login", method = RequestMethod.GET)
public String showLoginForm() {
return "login";
}
SecurityConfig
@Configuration
@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {
final
UserDetailsService userDetailsService;
@Autowired
public SecurityConfig(@Qualifier("myUserDetailsService") UserDetailsService userDetailsService) {
this.userDetailsService = userDetailsService;
}
@Bean
public DaoAuthenticationProvider authProvider() {
DaoAuthenticationProvider authProvider = new DaoAuthenticationProvider();
authProvider.setUserDetailsService(userDetailsService);
authProvider.setPasswordEncoder(bCryptPasswordEncoder());
return authProvider;
}
@Override
protected void configure(AuthenticationManagerBuilder auth) throws Exception {
auth.authenticationProvider(authProvider());
}
@Override
protected void configure(HttpSecurity http) throws Exception {
http.csrf().disable();
http.authorizeRequests().antMatchers("/resources/**", "/css/**", "/registration", "/").permitAll()
.anyRequest().authenticated()
.and().formLogin()
.loginPage("/login")
.usernameParameter("email")
.passwordParameter("password")
.successForwardUrl("/profile")
.permitAll();
}
@Bean
public PasswordEncoder bCryptPasswordEncoder() {
return new BCryptPasswordEncoder();
}
}
我对注解@Configuration和@ComponentScan不太确定
编辑:
添加了registration.html和注册控制器。从SecurityConfig中删除了@ComponentScan
registration.html
<div id="registration-form-wrapper">
<form id="registration-form" th:action="@{'/perform_registration'}" th:object="${user}" method="post">
<div class="form-group">
<label for="first-name">First Name</label>
<input type="text" class="form-control" th:field="*{firstName}" id="first-name" required autofocus/>
</div>
<div class="form-group">
<label for="last-name">Last Name</label>
<input type="text" class="form-control" th:field="*{lastName}" id="last-name" required/>
</div>
<div class="form-group">
<label for="email">Email address</label>
<input type="email" class="form-control" id="email" th:field="*{email}" aria-describedby="emailHelp"
required/>
<small id="emailHelp" class="form-text text-muted">We'll never share your email with anyone else.</small>
<p class="alert alert-danger" th:if="${#fields.hasErrors('email')}" th:errors="*{email}"></p>
</div>
<div class="form-group">
<label for="password">Password</label>
<input type="password" class="form-control" th:field="*{password}" id="password" minlength="8" required/>
</div>
<div class="form-group">
<label for="passwordRepeat">Repeat password</label>
<input type="password" class="form-control" th:field="*{matchingPassword}" id="passwordRepeat" minlength="8"
required/>
</div>
<button type="submit" class="btn btn-primary">Sign up</button>
<div id="no-account-wrapper">
<small>Already have an account?<a href="login.html" th:href="@{'/'}"> Login</a></small>
</div>
</form>
注册控制器
@RequestMapping(value = "/registration", method = RequestMethod.GET)
public String showRegistrationForm(WebRequest request, Model model) {
UserDto userDto = new UserDto();
model.addAttribute("user", userDto);
return "registration";
}
@PostMapping(value = "/perform_registration", consumes = MediaType.APPLICATION_FORM_URLENCODED_VALUE)
public String registerUserAccount(@ModelAttribute(name = "user") @Valid UserDto userDto, BindingResult result) {
User existing = userRepository.findByEmail(userDto.getEmail());
if (existing != null) {
log.info("User with email {} already exists -> {}", userDto.getEmail(), existing);
result.rejectValue("email", "required", "User with email " + userDto.getEmail() + " already exists.");
}
if (result.hasErrors()) {
return "registration";
}
User newUser = new User();
newUser.setFirstName(userDto.getFirstName());
newUser.setLastName(userDto.getLastName());
newUser.setEmail(userDto.getEmail());
newUser.setPassword(getPasswordEncoder.encode(userDto.getPassword()));
userRepository.save(newUser);
return "redirect:/login";
}
编辑2:
@Service
public class MyUserDetailsService implements UserDetailsService {
final UserRepository userRepository;
public MyUserDetailsService(UserRepository userRepository) {
this.userRepository = userRepository;
}
@Override
public UserDetails loadUserByUsername(String email) throws UsernameNotFoundException {
Optional<User> user = Optional.ofNullable(userRepository.findByEmail(email));
user.orElseThrow(()-> new UsernameNotFoundException("Not found: " + email));
return user.map(MyUserDetails::new).get();
}
}
谢谢!
答案 0 :(得分:1)
@Configuration
“表明该类具有@Bean
定义方法。因此Spring容器可以处理该类并生成要在应用程序中使用的Spring Bean。”查看更多here.
因为它有一些Bean,所以它是您的Security配置类所必需的。您不需要@ComponentScan
。
紧跟@Bean
和@Autowired
中的explanation。您需要创建自定义UserDetailsService
,该自定义@Bean
@Override
public UserDetailsService userDetailsService() {
return new CustomCustomerDetailsService();
}
@Bean
public DaoAuthenticationProvider authenticationProvider() {
DaoAuthenticationProvider authProvider = new DaoAuthenticationProvider();
authProvider.setUserDetailsService(userDetailsService());
authProvider.setPasswordEncoder(encoder());
return authProvider;
}
必须已由您的用户实体(用于用户身份验证)实现为Bean,并已注入到DAO身份验证中。
@Service("customCustomerDetailsService")
public class CustomCustomerDetailsService implements UserDetailsService {
@Autowired
private CustomerRepository customers;
@Override
public UserDetails loadUserByUsername(String email) {
return this.customers.findByEmail(email)
.orElseThrow(() -> new UsernameNotFoundException("Username: " + email + " not found"));
}
}
请参见this answer,以了解如何实现自定义用户详细信息类。
完成自定义UserDetailsService
FormArray