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.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 org.springframework.web.util.ContentCachingRequestWrapper;
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import javax.annotation.Resource;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletRequestWrapper;
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import java.nio.charset.Charset;
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import java.nio.charset.StandardCharsets;
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import java.util.Arrays;
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import java.util.Date;
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import java.util.LinkedHashMap;
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import java.util.Map;
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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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IntegrationRecord record = null;
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try {
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record = buildRecord(body, request, context, null);
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} catch (Exception e) {
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log.error("Failed to build integration log for {}", context.getHandler(), e);
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record = buildRecord(null, request, context, e);
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} finally {
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if (record != null) {
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try {
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integrationRecordService.syncRecord(record);
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} catch (Exception persistEx) {
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log.error("Failed to persist integration log for {}", context.getHandler(), persistEx);
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}
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}
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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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Exception failure) {
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Date now = new Date();
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RequestSnapshot payload = buildSnapshot(request);
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IntegrationRecord record = new IntegrationRecord();
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record.setUuid(String.valueOf(snowflakeIdWorker.nextId()).substring(3));
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record.setNamespace(context.getNamespaceType().name());
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record.setUrl(payload.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(payload));
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record.setResponse(safeToJson(responseBody));
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applyResult(record, responseBody, failure);
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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 void applyResult(IntegrationRecord record, Object body, Exception failure) {
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if (failure != null) {
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record.setResult(0);
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record.setErr(failure.getMessage());
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return;
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}
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if (!(body instanceof R)) {
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record.setResult(null);
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record.setErr(null);
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return;
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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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record.setResult(null);
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record.setErr(null);
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return;
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}
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boolean success = code == 200;
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record.setResult(success ? 1 : 0);
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record.setErr(success ? null : safeToString(response.get("msg")));
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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 safeToString(Object value) {
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return value == null ? null : String.valueOf(value);
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}
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private RequestSnapshot buildSnapshot(HttpServletRequest request) {
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Map<String, Object> params = flattenParameters(request.getParameterMap());
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String body = normalizeBody(readBody(request), request.getContentType());
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return new RequestSnapshot(
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request.getMethod(),
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request.getRequestURI(),
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request.getQueryString(),
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request.getContentType(),
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params.isEmpty() ? null : params,
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body
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);
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}
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private String normalizeBody(String body, String contentType) {
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if (Cools.isEmpty(body)) {
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return null;
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}
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boolean isJson = !Cools.isEmpty(contentType) && contentType.toLowerCase().contains("json");
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if (isJson) {
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try {
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Object parsed = JSON.parse(body);
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return JSON.toJSONString(parsed, false);
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} catch (Exception ignore) {
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// fall through to compacting whitespace
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}
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}
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return body.replaceAll("[\\n\\r\\t]", "").trim();
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}
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private Map<String, Object> flattenParameters(Map<String, String[]> rawParams) {
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Map<String, Object> flattened = new LinkedHashMap<>();
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if (rawParams == null) {
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return flattened;
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}
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rawParams.forEach((key, values) -> {
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if (values == null) {
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flattened.put(key, null);
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} else if (values.length == 1) {
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flattened.put(key, values[0]);
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} else {
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flattened.put(key, Arrays.asList(values));
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}
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});
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return flattened;
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}
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private String readBody(HttpServletRequest request) {
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HttpServletRequest target = unwrapCachingRequest(request);
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if (target instanceof ContentCachingRequestWrapper) {
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ContentCachingRequestWrapper wrapper = (ContentCachingRequestWrapper) target;
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byte[] buffer = wrapper.getContentAsByteArray();
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if (buffer.length > 0) {
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Charset charset = charset(wrapper.getCharacterEncoding());
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return new String(buffer, charset);
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}
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}
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return null;
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}
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private HttpServletRequest unwrapCachingRequest(HttpServletRequest request) {
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HttpServletRequest current = request;
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while (current instanceof HttpServletRequestWrapper) {
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if (current instanceof ContentCachingRequestWrapper) {
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return current;
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}
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current = (HttpServletRequest) ((HttpServletRequestWrapper) current).getRequest();
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}
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return request;
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}
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private Charset charset(String encoding) {
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if (Cools.isEmpty(encoding)) {
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return StandardCharsets.UTF_8;
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}
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try {
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return Charset.forName(encoding);
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} catch (Exception e) {
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return StandardCharsets.UTF_8;
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}
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}
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private static class RequestSnapshot {
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private final String method;
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private final String uri;
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private final String query;
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private final String contentType;
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private final Map<String, Object> parameters;
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private final String body;
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RequestSnapshot(String method, String uri, String query, String contentType,
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Map<String, Object> parameters, String body) {
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this.method = method;
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this.uri = uri;
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this.query = query;
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this.contentType = contentType;
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this.parameters = parameters;
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this.body = body;
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}
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public String getUri() {
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return uri;
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}
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}
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}
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