From 4b21a3bc48963ef6e85de832ca05f7b6ee40f6dc Mon Sep 17 00:00:00 2001
From: wangfeiyu <wangfeiyu@cscec.com>
Date: Wed, 22 Feb 2023 08:54:10 +0800
Subject: [PATCH] 在方法isMatchedIp的参数中,当filter为null而ip非null/空时,报filter为null异常。把判断条件由&&改为||解决此bug。

---
 ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/ServletUtils.java |  221 ++++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 files changed, 209 insertions(+), 12 deletions(-)

diff --git a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/ServletUtils.java b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/ServletUtils.java
index 7de6fcb..cda3716 100644
--- a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/ServletUtils.java
+++ b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/ServletUtils.java
@@ -1,13 +1,31 @@
 package com.ruoyi.common.core.utils;
 
 import java.io.IOException;
+import java.io.UnsupportedEncodingException;
+import java.net.URLDecoder;
+import java.net.URLEncoder;
+import java.util.Collections;
+import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.Map;
+import javax.servlet.ServletRequest;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import javax.servlet.http.HttpSession;
+import org.springframework.core.io.buffer.DataBuffer;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+import org.springframework.http.server.reactive.ServerHttpResponse;
+import org.springframework.util.LinkedCaseInsensitiveMap;
 import org.springframework.web.context.request.RequestAttributes;
 import org.springframework.web.context.request.RequestContextHolder;
 import org.springframework.web.context.request.ServletRequestAttributes;
+import com.alibaba.fastjson2.JSON;
+import com.ruoyi.common.core.constant.Constants;
+import com.ruoyi.common.core.domain.R;
 import com.ruoyi.common.core.text.Convert;
+import reactor.core.publisher.Mono;
 
 /**
  * 客户端工具类
@@ -49,11 +67,62 @@
     }
 
     /**
+     * 获取Boolean参数
+     */
+    public static Boolean getParameterToBool(String name)
+    {
+        return Convert.toBool(getRequest().getParameter(name));
+    }
+
+    /**
+     * 获取Boolean参数
+     */
+    public static Boolean getParameterToBool(String name, Boolean defaultValue)
+    {
+        return Convert.toBool(getRequest().getParameter(name), defaultValue);
+    }
+
+    /**
+     * 获得所有请求参数
+     *
+     * @param request 请求对象{@link ServletRequest}
+     * @return Map
+     */
+    public static Map<String, String[]> getParams(ServletRequest request)
+    {
+        final Map<String, String[]> map = request.getParameterMap();
+        return Collections.unmodifiableMap(map);
+    }
+
+    /**
+     * 获得所有请求参数
+     *
+     * @param request 请求对象{@link ServletRequest}
+     * @return Map
+     */
+    public static Map<String, String> getParamMap(ServletRequest request)
+    {
+        Map<String, String> params = new HashMap<>();
+        for (Map.Entry<String, String[]> entry : getParams(request).entrySet())
+        {
+            params.put(entry.getKey(), StringUtils.join(entry.getValue(), ","));
+        }
+        return params;
+    }
+
+    /**
      * 获取request
      */
     public static HttpServletRequest getRequest()
     {
-        return getRequestAttributes().getRequest();
+        try
+        {
+            return getRequestAttributes().getRequest();
+        }
+        catch (Exception e)
+        {
+            return null;
+        }
     }
 
     /**
@@ -61,7 +130,14 @@
      */
     public static HttpServletResponse getResponse()
     {
-        return getRequestAttributes().getResponse();
+        try
+        {
+            return getRequestAttributes().getResponse();
+        }
+        catch (Exception e)
+        {
+            return null;
+        }
     }
 
     /**
@@ -74,8 +150,41 @@
 
     public static ServletRequestAttributes getRequestAttributes()
     {
-        RequestAttributes attributes = RequestContextHolder.getRequestAttributes();
-        return (ServletRequestAttributes) attributes;
+        try
+        {
+            RequestAttributes attributes = RequestContextHolder.getRequestAttributes();
+            return (ServletRequestAttributes) attributes;
+        }
+        catch (Exception e)
+        {
+            return null;
+        }
+    }
+
+    public static String getHeader(HttpServletRequest request, String name)
+    {
+        String value = request.getHeader(name);
+        if (StringUtils.isEmpty(value))
+        {
+            return StringUtils.EMPTY;
+        }
+        return urlDecode(value);
+    }
+
+    public static Map<String, String> getHeaders(HttpServletRequest request)
+    {
+        Map<String, String> map = new LinkedCaseInsensitiveMap<>();
+        Enumeration<String> enumeration = request.getHeaderNames();
+        if (enumeration != null)
+        {
+            while (enumeration.hasMoreElements())
+            {
+                String key = enumeration.nextElement();
+                String value = request.getHeader(key);
+                map.put(key, value);
+            }
+        }
+        return map;
     }
 
     /**
@@ -83,9 +192,8 @@
      * 
      * @param response 渲染对象
      * @param string 待渲染的字符串
-     * @return null
      */
-    public static String renderString(HttpServletResponse response, String string)
+    public static void renderString(HttpServletResponse response, String string)
     {
         try
         {
@@ -98,7 +206,6 @@
         {
             e.printStackTrace();
         }
-        return null;
     }
 
     /**
@@ -109,13 +216,13 @@
     public static boolean isAjaxRequest(HttpServletRequest request)
     {
         String accept = request.getHeader("accept");
-        if (accept != null && accept.indexOf("application/json") != -1)
+        if (accept != null && accept.contains("application/json"))
         {
             return true;
         }
 
         String xRequestedWith = request.getHeader("X-Requested-With");
-        if (xRequestedWith != null && xRequestedWith.indexOf("XMLHttpRequest") != -1)
+        if (xRequestedWith != null && xRequestedWith.contains("XMLHttpRequest"))
         {
             return true;
         }
@@ -127,10 +234,100 @@
         }
 
         String ajax = request.getParameter("__ajax");
-        if (StringUtils.inStringIgnoreCase(ajax, "json", "xml"))
+        return StringUtils.inStringIgnoreCase(ajax, "json", "xml");
+    }
+
+    /**
+     * 内容编码
+     * 
+     * @param str 内容
+     * @return 编码后的内容
+     */
+    public static String urlEncode(String str)
+    {
+        try
         {
-            return true;
+            return URLEncoder.encode(str, Constants.UTF8);
         }
-        return false;
+        catch (UnsupportedEncodingException e)
+        {
+            return StringUtils.EMPTY;
+        }
+    }
+
+    /**
+     * 内容解码
+     * 
+     * @param str 内容
+     * @return 解码后的内容
+     */
+    public static String urlDecode(String str)
+    {
+        try
+        {
+            return URLDecoder.decode(str, Constants.UTF8);
+        }
+        catch (UnsupportedEncodingException e)
+        {
+            return StringUtils.EMPTY;
+        }
+    }
+
+    /**
+     * 设置webflux模型响应
+     *
+     * @param response ServerHttpResponse
+     * @param value 响应内容
+     * @return Mono<Void>
+     */
+    public static Mono<Void> webFluxResponseWriter(ServerHttpResponse response, Object value)
+    {
+        return webFluxResponseWriter(response, HttpStatus.OK, value, R.FAIL);
+    }
+
+    /**
+     * 设置webflux模型响应
+     *
+     * @param response ServerHttpResponse
+     * @param code 响应状态码
+     * @param value 响应内容
+     * @return Mono<Void>
+     */
+    public static Mono<Void> webFluxResponseWriter(ServerHttpResponse response, Object value, int code)
+    {
+        return webFluxResponseWriter(response, HttpStatus.OK, value, code);
+    }
+
+    /**
+     * 设置webflux模型响应
+     *
+     * @param response ServerHttpResponse
+     * @param status http状态码
+     * @param code 响应状态码
+     * @param value 响应内容
+     * @return Mono<Void>
+     */
+    public static Mono<Void> webFluxResponseWriter(ServerHttpResponse response, HttpStatus status, Object value, int code)
+    {
+        return webFluxResponseWriter(response, MediaType.APPLICATION_JSON_VALUE, status, value, code);
+    }
+
+    /**
+     * 设置webflux模型响应
+     *
+     * @param response ServerHttpResponse
+     * @param contentType content-type
+     * @param status http状态码
+     * @param code 响应状态码
+     * @param value 响应内容
+     * @return Mono<Void>
+     */
+    public static Mono<Void> webFluxResponseWriter(ServerHttpResponse response, String contentType, HttpStatus status, Object value, int code)
+    {
+        response.setStatusCode(status);
+        response.getHeaders().add(HttpHeaders.CONTENT_TYPE, contentType);
+        R<?> result = R.fail(code, value.toString());
+        DataBuffer dataBuffer = response.bufferFactory().wrap(JSON.toJSONString(result).getBytes());
+        return response.writeWith(Mono.just(dataBuffer));
     }
 }

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