package com.zy.acs.manager.common.interceptor;
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import com.alibaba.fastjson.JSON;
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import com.zy.acs.framework.common.Cools;
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import com.zy.acs.framework.common.R;
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import com.zy.acs.framework.common.SnowflakeIdWorker;
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import com.zy.acs.manager.common.interceptor.IntegrationOpenApiInterceptor.IntegrationRequestContext;
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import com.zy.acs.manager.common.utils.IpTools;
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import com.zy.acs.manager.manager.entity.IntegrationRecord;
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import com.zy.acs.manager.manager.enums.IntegrationDirectionType;
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import com.zy.acs.manager.manager.enums.StatusType;
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import com.zy.acs.manager.manager.service.IntegrationRecordService;
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import lombok.AllArgsConstructor;
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import lombok.Getter;
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import lombok.extern.slf4j.Slf4j;
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import org.jetbrains.annotations.NotNull;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.core.MethodParameter;
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import org.springframework.http.MediaType;
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import org.springframework.http.converter.HttpMessageConverter;
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import org.springframework.http.server.ServerHttpRequest;
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import org.springframework.http.server.ServerHttpResponse;
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import org.springframework.http.server.ServletServerHttpRequest;
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import org.springframework.web.bind.annotation.ControllerAdvice;
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import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;
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import javax.annotation.Resource;
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import javax.servlet.http.HttpServletRequest;
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import java.util.Date;
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import java.util.UUID;
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@Slf4j
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@ControllerAdvice
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public class IntegrationRecordAdvice implements ResponseBodyAdvice<Object> {
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private static final String HEADER_APP_KEY = "appkey";
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private static final String HEADER_CALLER = "caller";
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@Autowired
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private IntegrationRecordService integrationRecordService;
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@Resource
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private SnowflakeIdWorker snowflakeIdWorker;
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@Override
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public boolean supports(@NotNull MethodParameter methodParameter,
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@NotNull Class<? extends HttpMessageConverter<?>> aClass) {
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return true;
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}
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@Override
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public Object beforeBodyWrite(Object body,
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@NotNull MethodParameter methodParameter,
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@NotNull MediaType mediaType,
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@NotNull Class<? extends HttpMessageConverter<?>> aClass,
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@NotNull ServerHttpRequest serverHttpRequest,
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@NotNull ServerHttpResponse serverHttpResponse) {
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if (!(serverHttpRequest instanceof ServletServerHttpRequest)) {
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return body;
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}
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HttpServletRequest request = ((ServletServerHttpRequest) serverHttpRequest).getServletRequest();
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IntegrationRequestContext context = IntegrationOpenApiInterceptor.getContext(request);
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if (context == null) {
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return body;
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}
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try {
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IntegrationRecord record = buildRecord(body, request, context);
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integrationRecordService.syncRecord(record);
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} catch (Exception e) {
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log.error("Failed to persist integration log for {}", context.getHandler(), e);
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}
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return body;
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}
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private IntegrationRecord buildRecord(Object responseBody,
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HttpServletRequest request,
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IntegrationRequestContext context) {
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Date now = new Date();
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ResultView resultView = resolveResult(responseBody);
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IntegrationRecord record = new IntegrationRecord();
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record.setUuid(nextUuid());
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record.setNamespace(context.getNamespace());
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record.setUrl(context.getUri());
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record.setAppkey(request.getHeader(HEADER_APP_KEY));
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record.setCaller(resolveCaller(request));
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record.setDirection(IntegrationDirectionType.INBOUND.value);
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record.setTimestamp(String.valueOf(context.getStartAt()));
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record.setClientIp(IpTools.gainRealIp(request));
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record.setRequest(safeToJson(context.getRequestSnapshot()));
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record.setResponse(safeToJson(responseBody));
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record.setErr(resultView.getError());
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record.setResult(resultView.getResult());
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record.setCostMs(cost(context.getStartAt()));
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record.setStatus(StatusType.ENABLE.val);
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record.setCreateTime(now);
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record.setUpdateTime(now);
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record.setMemo(context.getHandler());
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return record;
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}
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private ResultView resolveResult(Object body) {
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if (!(body instanceof R)) {
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return ResultView.unknown();
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}
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R response = (R) body;
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Integer code = parseInteger(response.get("code"));
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if (code == null) {
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return ResultView.unknown();
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}
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boolean success = code == 200;
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String error = success ? null : safeToString(response.get("msg"));
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return new ResultView(success ? 1 : 0, error);
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}
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private Integer parseInteger(Object codeObj) {
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if (codeObj == null) {
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return null;
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}
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if (codeObj instanceof Integer) {
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return (Integer) codeObj;
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}
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try {
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return Integer.parseInt(String.valueOf(codeObj));
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} catch (NumberFormatException e) {
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return null;
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}
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}
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private String safeToJson(Object value) {
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if (value == null) {
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return null;
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}
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try {
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return JSON.toJSONString(value);
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} catch (Exception e) {
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log.warn("Failed to serialize value for integration log: {}", value.getClass().getName(), e);
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return String.valueOf(value);
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}
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}
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private String resolveCaller(HttpServletRequest request) {
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String caller = request.getHeader(HEADER_CALLER);
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if (Cools.isEmpty(caller)) {
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caller = request.getHeader(HEADER_APP_KEY);
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}
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return caller;
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}
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private int cost(long startAt) {
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long duration = System.currentTimeMillis() - startAt;
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if (duration < 0) {
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return 0;
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}
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return (int) duration;
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}
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private String nextUuid() {
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if (snowflakeIdWorker != null) {
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return String.valueOf(snowflakeIdWorker.nextId()).substring(3);
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}
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return UUID.randomUUID().toString().replace("-", "");
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}
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private String safeToString(Object value) {
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return value == null ? null : String.valueOf(value);
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}
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@Getter
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@AllArgsConstructor
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private static class ResultView {
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private final Integer result;
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private final String error;
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private static ResultView unknown() {
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return new ResultView(null, null);
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}
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}
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}
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