FooAuthenticationProvider.java 文件源码

@Override
public Authentication authenticate(Authentication authentication)
    throws AuthenticationException {
  logger.debug(
      "==== Authenticating using FooAuthenticationProvider: " +
          authentication);

  // here goes username/password authentication for Foo
  Response response = userService
      .authenticateFoo(String.valueOf(authentication.getPrincipal()),
          String.valueOf(authentication.getCredentials()));

  if (response.isOk()) {
    List<GrantedAuthority> authorities = new ArrayList<>();
    authorities.add(new SimpleGrantedAuthority("FOO_READ"));
    authorities.add(new SimpleGrantedAuthority("FOO_WRITE"));
    return new FooUsernamePasswordAuthenticationToken(
        authentication.getPrincipal(), authentication.getCredentials(),
        authorities);
  } else {
    throw new BadCredentialsException("Authentication failed.");
  }
}