From fd1c7004128182d4efc0d426c1cfbd97866e1111 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BC=A0=E7=BF=94?= <xiangzhang1024@gmail.com>
Date: Wed, 18 Mar 2026 22:36:40 +0800
Subject: [PATCH] feat: add operation log filter for automatic logging

---
 .../sys/interceptor/OperationLogFilter.java   | 120 ++++++++++++++++++
 1 file changed, 120 insertions(+)
 create mode 100644 novalon-manage-api/manage-sys/src/main/java/cn/novalon/manage/sys/interceptor/OperationLogFilter.java

diff --git a/novalon-manage-api/manage-sys/src/main/java/cn/novalon/manage/sys/interceptor/OperationLogFilter.java b/novalon-manage-api/manage-sys/src/main/java/cn/novalon/manage/sys/interceptor/OperationLogFilter.java
new file mode 100644
index 0000000..6370226
--- /dev/null
+++ b/novalon-manage-api/manage-sys/src/main/java/cn/novalon/manage/sys/interceptor/OperationLogFilter.java
@@ -0,0 +1,120 @@
+package cn.novalon.manage.sys.interceptor;
+
+import cn.novalon.manage.sys.core.domain.OperationLog;
+import cn.novalon.manage.sys.core.service.IOperationLogService;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.http.server.reactive.ServerHttpRequest;
+import org.springframework.security.core.context.ReactiveSecurityContextHolder;
+import org.springframework.stereotype.Component;
+import org.springframework.web.server.ServerWebExchange;
+import org.springframework.web.server.WebFilter;
+import org.springframework.web.server.WebFilterChain;
+import reactor.core.publisher.Mono;
+
+import java.time.Duration;
+
+/**
+ * 操作日志过滤器
+ * 
+ * 文件定义：拦截HTTP请求，自动记录操作日志
+ * 涉及业务：操作日志的自动记录和持久化
+ * 算法：使用WebFlux的WebFilter机制拦截请求，异步记录日志
+ * 
+ * @author 张翔
+ * @date 2026-03-18
+ */
+@Component
+public class OperationLogFilter implements WebFilter {
+
+    private static final Logger logger = LoggerFactory.getLogger(OperationLogFilter.class);
+
+    private final IOperationLogService logService;
+    private final ObjectMapper objectMapper;
+
+    public OperationLogFilter(IOperationLogService logService, ObjectMapper objectMapper) {
+        this.logService = logService;
+        this.objectMapper = objectMapper;
+    }
+
+    @Override
+    public Mono<Void> filter(ServerWebExchange exchange, WebFilterChain chain) {
+        long startTime = System.currentTimeMillis();
+        ServerHttpRequest request = exchange.getRequest();
+        
+        String path = request.getPath().value();
+        String method = request.getMethod().name();
+        String ip = getClientIp(request);
+        
+        return chain.filter(exchange)
+                .doOnSuccess(v -> {
+                    long duration = System.currentTimeMillis() - startTime;
+                    recordLog(exchange, path, method, ip, duration, null);
+                })
+                .doOnError(error -> {
+                    long duration = System.currentTimeMillis() - startTime;
+                    recordLog(exchange, path, method, ip, duration, error.getMessage());
+                });
+    }
+
+    private void recordLog(ServerWebExchange exchange, String path, String method, String ip, long duration, String errorMsg) {
+        try {
+            OperationLog log = new OperationLog();
+            log.setOperation(path);
+            log.setMethod(method);
+            log.setIp(ip);
+            log.setDuration(duration);
+            
+            if (errorMsg != null) {
+                log.setStatus("1");
+                log.setErrorMsg(errorMsg);
+                log.setResult("Failed");
+            } else {
+                log.setStatus("0");
+                log.setResult("Success");
+            }
+            
+            String queryParams = exchange.getRequest().getQueryParams().toSingleValueMap().toString();
+            log.setParams(queryParams);
+            
+            ReactiveSecurityContextHolder.getContext()
+                    .flatMap(securityContext -> {
+                        Object principal = securityContext.getAuthentication().getPrincipal();
+                        if (principal instanceof String) {
+                            log.setUsername((String) principal);
+                        }
+                        return Mono.empty();
+                    })
+                    .then(Mono.fromRunnable(() -> {
+                        logService.save(log)
+                                .doOnSuccess(saved -> logger.debug("操作日志记录成功: {}", log.getOperation()))
+                                .doOnError(error -> logger.error("操作日志记录失败: {}", error.getMessage()))
+                                .subscribe();
+                    }))
+                    .subscribe();
+        } catch (Exception e) {
+            logger.error("记录操作日志时发生异常: {}", e.getMessage());
+        }
+    }
+
+    private String getClientIp(ServerHttpRequest request) {
+        String ip = request.getHeaders().getFirst("X-Forwarded-For");
+        if (ip == null || ip.isEmpty() || "unknown".equalsIgnoreCase(ip)) {
+            ip = request.getHeaders().getFirst("X-Real-IP");
+        }
+        if (ip == null || ip.isEmpty() || "unknown".equalsIgnoreCase(ip)) {
+            ip = request.getHeaders().getFirst("Proxy-Client-IP");
+        }
+        if (ip == null || ip.isEmpty() || "unknown".equalsIgnoreCase(ip)) {
+            ip = request.getHeaders().getFirst("WL-Proxy-Client-IP");
+        }
+        if (ip == null || ip.isEmpty() || "unknown".equalsIgnoreCase(ip)) {
+            ip = request.getRemoteAddress() != null ? request.getRemoteAddress().getAddress().getHostAddress() : "";
+        }
+        if (ip != null && ip.contains(",")) {
+            ip = ip.split(",")[0].trim();
+        }
+        return ip;
+    }
+}
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