CalendarUserAuthenticationProvider.java 文件源码

@Override
public Authentication authenticate(Authentication authentication) throws AuthenticationException {
    UsernamePasswordAuthenticationToken token = (UsernamePasswordAuthenticationToken) authentication;
    String email = token.getName();
    CalendarUser user = email == null ? null : calendarService.findUserByEmail(email);
    if(user == null) {
        throw new UsernameNotFoundException("Invalid username/password");
    }
    // Database Password already encrypted:
    String password = user.getPassword();

    boolean passwordsMatch = passwordEncoder.matches(token.getCredentials().toString(), password);

    if(!passwordsMatch) {
        throw new BadCredentialsException("Invalid username/password");
    }
    Collection<? extends GrantedAuthority> authorities = CalendarUserAuthorityUtils.createAuthorities(user);
    UsernamePasswordAuthenticationToken usernamePasswordAuthenticationToken = new UsernamePasswordAuthenticationToken(user, password, authorities);
    return usernamePasswordAuthenticationToken;
}