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Spring Cloud - 15. Users Microservice AuthenticationFilter

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15. Users Microservice AuthenticationFilter

@Data
public class RequestLogin {

    @NotNull(message = "Email cannot be null")
    @Size(min = 2, message = "Email not be less than two characters")
    private String email;

    @NotNull(message = "Password cannot be null")
    @Size(min = 8, message = "Password must be equals or grater than 8 characters")
    private String password;
}
public class AuthenticationFilter extends UsernamePasswordAuthenticationFilter {
    @Override
    public Authentication attemptAuthentication(HttpServletRequest request,
                                                HttpServletResponse response) throws AuthenticationException {

        try {
            RequestLogin creds = new ObjectMapper().readValue(request.getInputStream(), RequestLogin.class);

            Authentication token =
                    new UsernamePasswordAuthenticationToken(creds.getEmail(), creds.getPassword(), new ArrayList<>());

            return getAuthenticationManager().authenticate(token);
        } catch (IOException e){
            throw new RuntimeException(e);
        }
    }

    @Override
    protected void successfulAuthentication(HttpServletRequest request,
                                            HttpServletResponse response,
                                            FilterChain chain,
                                            Authentication authResult) throws IOException, ServletException {
        super.successfulAuthentication(request, response, chain, authResult);
    }
}
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