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package com.example.educatback.Auth.ResultHandler;
import com.fasterxml.jackson.databind.ObjectMapper;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import lombok.extern.slf4j.Slf4j;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.security.authentication.CredentialsExpiredException;
import org.springframework.security.authentication.DisabledException;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.AuthenticationFailureHandler;
import org.springframework.stereotype.Component;
import java.io.IOException;
@Slf4j
@Component
public class CustomAuthenticationFailureHandler implements AuthenticationFailureHandler {
private ObjectMapper objectMapper = new ObjectMapper();
@Override
public void onAuthenticationFailure(HttpServletRequest request,
HttpServletResponse response,
AuthenticationException exception) throws IOException {
String errMsg = "Invalid Username or Password";
response.setStatus(HttpStatus.UNAUTHORIZED.value());
response.setContentType(MediaType.APPLICATION_JSON_VALUE);
if(exception instanceof BadCredentialsException) {
errMsg = "Invalid Username or Password";
} else if(exception instanceof DisabledException) {
errMsg = "Locked";
} else if(exception instanceof CredentialsExpiredException) {
errMsg = "Expired password";
}
objectMapper.writeValue(response.getWriter(), errMsg);
}
}