去掉jsoup调用自定义转义工具

pom.xml

@@ -29,7 +29,6 @@
 		<oshi.version>3.9.1</oshi.version>
 		<commons.io.version>2.5</commons.io.version>
 		<commons.fileupload.version>1.3.3</commons.fileupload.version>
-		<jsoup.version>1.11.3</jsoup.version>
 		<poi.version>3.17</poi.version>
 		<velocity.version>1.7</velocity.version>
 	</properties>
@@ -148,13 +147,6 @@
 				<version>${commons.fileupload.version}</version>
 			</dependency>
 			
-			<!-- HTML解析器 -->
-			<dependency>
-				<groupId>org.jsoup</groupId>
-				<artifactId>jsoup</artifactId>
-				<version>${jsoup.version}</version>
-			</dependency>
-			
 			<!-- excel工具 -->
 			<dependency>
 				<groupId>org.apache.poi</groupId>

ruoyi-common/pom.xml

@@ -77,12 +77,6 @@
 			<artifactId>commons-fileupload</artifactId>
 		</dependency>
 		
-		<!-- HTML解析器 -->
-		<dependency>
-			<groupId>org.jsoup</groupId>
-			<artifactId>jsoup</artifactId>
-		</dependency>
-		
 		<!-- excel工具 -->
 		<dependency>
 			<groupId>org.apache.poi</groupId>

ruoyi-common/src/main/java/com/ruoyi/common/utils/html/EscapeUtil.java

+package com.ruoyi.common.utils.html;
+
+import com.ruoyi.common.utils.StringUtils;
+
+/**
+ * 转义和反转义工具类
+ * 
+ * @author ruoyi
+ */
+public class EscapeUtil
+{
+    public static final String RE_HTML_MARK = "(<[^<]*?>)|(<[\\s]*?/[^<]*?>)|(<[^<]*?/[\\s]*?>)";
+
+    private static final char[][] TEXT = new char[64][];
+
+    static
+    {
+        for (int i = 0; i < 64; i++)
+        {
+            TEXT[i] = new char[] { (char) i };
+        }
+
+        // special HTML characters
+        TEXT['\''] = "&#039;".toCharArray(); // 单引号
+        TEXT['"'] = "&#34;".toCharArray(); // 单引号
+        TEXT['&'] = "&#38;".toCharArray(); // &符
+        TEXT['<'] = "&#60;".toCharArray(); // 小于号
+        TEXT['>'] = "&#62;".toCharArray(); // 大于号
+    }
+
+    /**
+     * 转义文本中的HTML字符为安全的字符
+     * 
+     * @param text 被转义的文本
+     * @return 转义后的文本
+     */
+    public static String escape(String text)
+    {
+        return encode(text);
+    }
+
+    /**
+     * 还原被转义的HTML特殊字符
+     * 
+     * @param content 包含转义符的HTML内容
+     * @return 转换后的字符串
+     */
+    public static String unescape(String content)
+    {
+        return decode(content);
+    }
+
+    /**
+     * 清除所有HTML标签，但是不删除标签内的内容
+     * 
+     * @param content 文本
+     * @return 清除标签后的文本
+     */
+    public static String clean(String content)
+    {
+        return content.replaceAll(RE_HTML_MARK, "");
+    }
+
+    /**
+     * Escape编码
+     * 
+     * @param text 被编码的文本
+     * @return 编码后的字符
+     */
+    private static String encode(String text)
+    {
+        int len;
+        if ((text == null) || ((len = text.length()) == 0))
+        {
+            return StringUtils.EMPTY;
+        }
+        StringBuilder buffer = new StringBuilder(len + (len >> 2));
+        char c;
+        for (int i = 0; i < len; i++)
+        {
+            c = text.charAt(i);
+            if (c < 64)
+            {
+                buffer.append(TEXT[c]);
+            }
+            else
+            {
+                buffer.append(c);
+            }
+        }
+        return buffer.toString();
+    }
+
+    /**
+     * Escape解码
+     * 
+     * @param content 被转义的内容
+     * @return 解码后的字符串
+     */
+    public static String decode(String content)
+    {
+        if (StringUtils.isEmpty(content))
+        {
+            return content;
+        }
+
+        StringBuilder tmp = new StringBuilder(content.length());
+        int lastPos = 0, pos = 0;
+        char ch;
+        while (lastPos < content.length())
+        {
+            pos = content.indexOf("%", lastPos);
+            if (pos == lastPos)
+            {
+                if (content.charAt(pos + 1) == 'u')
+                {
+                    ch = (char) Integer.parseInt(content.substring(pos + 2, pos + 6), 16);
+                    tmp.append(ch);
+                    lastPos = pos + 6;
+                }
+                else
+                {
+                    ch = (char) Integer.parseInt(content.substring(pos + 1, pos + 3), 16);
+                    tmp.append(ch);
+                    lastPos = pos + 3;
+                }
+            }
+            else
+            {
+                if (pos == -1)
+                {
+                    tmp.append(content.substring(lastPos));
+                    lastPos = content.length();
+                }
+                else
+                {
+                    tmp.append(content.substring(lastPos, pos));
+                    lastPos = pos;
+                }
+            }
+        }
+        return tmp.toString();
+    }
+
+    public static void main(String[] args)
+    {
+        String html = "<script>alert(1);</script>";
+        System.out.println(EscapeUtil.clean(html));
+        System.out.println(EscapeUtil.escape(html));
+        System.out.println(EscapeUtil.unescape(html));
+    }
+}

ruoyi-common/src/main/java/com/ruoyi/common/xss/XssHttpServletRequestWrapper.java

@@ -2,8 +2,7 @@ package com.ruoyi.common.xss;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletRequestWrapper;
-import org.jsoup.Jsoup;
-import org.jsoup.safety.Whitelist;
+import com.ruoyi.common.utils.html.EscapeUtil;
 
 /**
  * XSS过滤处理
@@ -31,7 +30,7 @@ public class XssHttpServletRequestWrapper extends HttpServletRequestWrapper
             for (int i = 0; i < length; i++)
             {
                 // 防xss攻击和过滤前后空格
-                escapseValues[i] = Jsoup.clean(values[i], Whitelist.relaxed()).trim();
+                escapseValues[i] = EscapeUtil.clean(values[i]).trim();
             }
             return escapseValues;
         }