CorsConfig.java

package com.wavii.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

import java.util.List;

/**
 * Configuración de CORS (Cross-Origin Resource Sharing).
 * Permite que el frontend (Expo/Native) se comunique con el backend desde diferentes orígenes.
 * 
 * @author eduglezexp
 */
@Configuration
public class CorsConfig {

    @Bean
    public CorsFilter corsFilter() {
        CorsConfiguration config = new CorsConfiguration();

        config.setAllowCredentials(true);
        config.setAllowedOriginPatterns(List.of(
                "http://localhost:*",
                "exp://*",
                "http://10.*",
                "http://192.168.*"
        ));
        config.setAllowedHeaders(List.of(
                "Origin",
                "Content-Type",
                "Accept",
                "Authorization",
                "X-Requested-With"
        ));
        config.setAllowedMethods(List.of(
                "GET", "POST", "PUT", "PATCH", "DELETE", "OPTIONS"
        ));
        config.setExposedHeaders(List.of("Authorization"));
        config.setMaxAge(3600L);

        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        source.registerCorsConfiguration("/**", config);

        return new CorsFilter(source);
    }
}