/*
 * Copyright 2020-2030 码匠君<herodotus@aliyun.com>
 *
 * Dante Engine licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Dante Engine 是 Dante Cloud 系统核心组件库，采用 APACHE LICENSE 2.0 开源协议，您在使用过程中，需要注意以下几点：
 *
 * 1. 请不要删除和修改根目录下的LICENSE文件。
 * 2. 请不要删除和修改 Dante Engine 源码头部的版权声明。
 * 3. 请保留源码和相关描述文件的项目出处，作者声明等。
 * 4. 分发源码时候，请注明软件出处 <https://gitee.com/dromara/dante-cloud>
 * 5. 在修改包名，模块名称，项目代码等时，请注明软件出处 <https://gitee.com/dromara/dante-cloud>
 * 6. 若您的项目无法满足以上几点，可申请商业授权
 */

package org.dromara.dante.oauth2.authentication.response;

import jakarta.servlet.ServletException;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.apache.commons.lang3.StringUtils;
import org.dromara.dante.oauth2.authentication.utils.OAuth2EndpointUtils;
import org.dromara.dante.security.exception.SecurityGlobalExceptionHandler;
import org.dromara.dante.web.servlet.template.AbstractResponseHandler;
import org.dromara.dante.web.servlet.template.ThymeleafTemplateHandler;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.server.ServletServerHttpResponse;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.oauth2.core.OAuth2AuthenticationException;
import org.springframework.security.oauth2.core.OAuth2Error;
import org.springframework.security.oauth2.core.endpoint.OAuth2ParameterNames;
import org.springframework.security.oauth2.core.http.converter.OAuth2ErrorHttpMessageConverter;
import org.springframework.security.web.authentication.AuthenticationFailureHandler;
import org.springframework.util.MultiValueMap;

import java.io.IOException;

/**
 * <p>Description: 认证失败处理器 </p>
 *
 * @author : gengwei.zheng
 * @date : 2022/2/19 20:48
 */
public class OAuth2AuthenticationFailureHandler extends AbstractResponseHandler implements AuthenticationFailureHandler {

    private static final Logger log = LoggerFactory.getLogger(OAuth2AuthenticationFailureHandler.class);

    private final HttpMessageConverter<OAuth2Error> errorHttpMessageConverter = new OAuth2ErrorHttpMessageConverter();

    public OAuth2AuthenticationFailureHandler(ThymeleafTemplateHandler templateHandler) {
        super(templateHandler);
    }

    @Override
    public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response, AuthenticationException exception) throws IOException, ServletException {

        log.warn("[Herodotus] |- Authentication operation failure!");

        MultiValueMap<String, String> parameters = OAuth2EndpointUtils.getParameters(request);
        String deviceCode = parameters.getFirst(OAuth2ParameterNames.DEVICE_CODE);
        // 兼容 Device Grant 错误处理
        // Device Grant 需要 SAS 原始出错信息，如果采用原有 SecurityGlobalExceptionHandler 处理方式，将导致前端获取到错误的错误信息
        if (exception instanceof OAuth2AuthenticationException oauth2Exception && StringUtils.isNotBlank(deviceCode)) {
            OAuth2Error error = oauth2Exception.getError();
            ServletServerHttpResponse httpResponse = new ServletServerHttpResponse(response);
            httpResponse.setStatusCode(HttpStatus.BAD_REQUEST);
            this.errorHttpMessageConverter.write(error, MediaType.APPLICATION_JSON, httpResponse);
        } else {
            process(request, response, () -> SecurityGlobalExceptionHandler.resolveSecurityException(exception, request.getRequestURI()));
        }
    }
}
