feat(security/mask): 新增安全模块-脱敏，支持 JSON 数据脱敏

continew-starter-core/src/main/java/top/charles7c/continew/starter/core/constant/StringConstants.java

@@ -104,6 +104,11 @@ public class StringConstants {
      */
     public static final char C_AT = CharPool.AT;
 
+    /**
+     * 字符常量：星号 {@code '*'}
+     */
+    public static final char C_ASTERISK = '*';
+
     /**
      * 字符串常量：制表符 {@code "\t"}
      */

continew-starter-dependencies/pom.xml

@@ -382,6 +382,13 @@
                 <version>${revision}</version>
             </dependency>
 
+            <!-- 安全模块 - 脱敏 -->
+            <dependency>
+                <groupId>top.charles7c.continew</groupId>
+                <artifactId>continew-starter-security-mask</artifactId>
+                <version>${revision}</version>
+            </dependency>
+
             <!-- 安全模块 - 密码编码器 -->
             <dependency>
                 <groupId>top.charles7c.continew</groupId>

continew-starter-security/continew-starter-security-mask/pom.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>top.charles7c.continew</groupId>
+        <artifactId>continew-starter-security</artifactId>
+        <version>${revision}</version>
+    </parent>
+
+    <artifactId>continew-starter-security-mask</artifactId>
+    <description>ContiNew Starter 安全模块 - 脱敏</description>
+</project>

continew-starter-security/continew-starter-security-mask/src/main/java/top/charles7c/continew/starter/security/mask/annotation/JsonMask.java

@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
+ * <p>
+ * Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * http://www.gnu.org/licenses/lgpl.html
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package top.charles7c.continew.starter.security.mask.annotation;
+
+import com.fasterxml.jackson.annotation.JacksonAnnotationsInside;
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import top.charles7c.continew.starter.core.constant.StringConstants;
+import top.charles7c.continew.starter.security.mask.core.JsonMaskSerializer;
+import top.charles7c.continew.starter.security.mask.enums.MaskType;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * JSON 脱敏注解
+ *
+ * @author Charles7c
+ * @since 1.4.0
+ */
+@Target(ElementType.FIELD)
+@Retention(RetentionPolicy.RUNTIME)
+@JacksonAnnotationsInside
+@JsonSerialize(using = JsonMaskSerializer.class)
+public @interface JsonMask {
+
+    /**
+     * 脱敏类型
+     */
+    MaskType value() default MaskType.CUSTOM;
+
+    /**
+     * 左侧保留位数
+     * <p>
+     * 仅在脱敏类型为 {@code DesensitizedType.CUSTOM } 时使用
+     * </p>
+     */
+    int left() default 0;
+
+    /**
+     * 右侧保留位数
+     * <p>
+     * 仅在脱敏类型为 {@code DesensitizedType.CUSTOM } 时使用
+     * </p>
+     */
+    int right() default 0;
+
+    /**
+     * 脱敏符号（默认：*）
+     */
+    char character() default StringConstants.C_ASTERISK;
+}

continew-starter-security/continew-starter-security-mask/src/main/java/top/charles7c/continew/starter/security/mask/core/JsonMaskSerializer.java

@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
+ * <p>
+ * Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * http://www.gnu.org/licenses/lgpl.html
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package top.charles7c.continew.starter.security.mask.core;
+
+import cn.hutool.core.text.CharSequenceUtil;
+import cn.hutool.core.util.ObjectUtil;
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.databind.BeanProperty;
+import com.fasterxml.jackson.databind.JsonMappingException;
+import com.fasterxml.jackson.databind.JsonSerializer;
+import com.fasterxml.jackson.databind.SerializerProvider;
+import com.fasterxml.jackson.databind.ser.ContextualSerializer;
+import top.charles7c.continew.starter.core.constant.StringConstants;
+import top.charles7c.continew.starter.security.mask.annotation.JsonMask;
+import top.charles7c.continew.starter.security.mask.enums.MaskType;
+
+import java.io.IOException;
+import java.util.Objects;
+
+/**
+ * JSON 脱敏序列化器
+ *
+ * @author Charles7c
+ * @since 1.4.0
+ */
+public class JsonMaskSerializer extends JsonSerializer<String> implements ContextualSerializer {
+
+    private JsonMask jsonMask;
+
+    public JsonMaskSerializer(JsonMask jsonMask) {
+        this.jsonMask = jsonMask;
+    }
+
+    public JsonMaskSerializer() {
+    }
+
+    @Override
+    public void serialize(String str,
+                          JsonGenerator jsonGenerator,
+                          SerializerProvider serializerProvider) throws IOException {
+        if (CharSequenceUtil.isBlank(str)) {
+            jsonGenerator.writeString(StringConstants.EMPTY);
+            return;
+        }
+        MaskType maskType = jsonMask.value();
+        jsonGenerator.writeString(maskType.mask(str, jsonMask.character(), jsonMask.left(), jsonMask.right()));
+    }
+
+    @Override
+    public JsonSerializer<?> createContextual(SerializerProvider serializerProvider,
+                                              BeanProperty beanProperty) throws JsonMappingException {
+        if (null == beanProperty) {
+            return serializerProvider.findNullValueSerializer(null);
+        }
+        if (!Objects.equals(beanProperty.getType().getRawClass(), String.class)) {
+            return serializerProvider.findValueSerializer(beanProperty.getType(), beanProperty);
+        }
+        JsonMask jsonMaskAnnotation = ObjectUtil.defaultIfNull(beanProperty.getAnnotation(JsonMask.class), beanProperty
+            .getContextAnnotation(JsonMask.class));
+        if (null == jsonMaskAnnotation) {
+            return serializerProvider.findValueSerializer(beanProperty.getType(), beanProperty);
+        }
+        return new JsonMaskSerializer(jsonMaskAnnotation);
+    }
+}

continew-starter-security/continew-starter-security-mask/src/main/java/top/charles7c/continew/starter/security/mask/enums/MaskType.java

@@ -0,0 +1,231 @@
+/*
+ * Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
+ * <p>
+ * Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * http://www.gnu.org/licenses/lgpl.html
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package top.charles7c.continew.starter.security.mask.enums;
+
+import cn.hutool.core.text.CharSequenceUtil;
+import cn.hutool.core.util.CharUtil;
+import top.charles7c.continew.starter.core.constant.StringConstants;
+
+/**
+ * 脱敏类型
+ *
+ * @author Charles7c
+ * @since 1.4.0
+ */
+public enum MaskType {
+
+    /**
+     * 自定义脱敏
+     */
+    CUSTOM {
+        @Override
+        public String mask(String str, char character, int left, int right) {
+            return CharSequenceUtil.replace(str, left, str.length() - right, character);
+        }
+    },
+
+    /**
+     * 手机号码
+     * <p>保留前 3 位和后 4 位，例如：135****2210</p>
+     */
+    MOBILE_PHONE {
+        @Override
+        public String mask(String str, char character, int left, int right) {
+            return CharSequenceUtil.replace(str, 3, str.length() - 4, character);
+        }
+    },
+
+    /**
+     * 固定电话
+     * <p>
+     * 保留前 4 位和后 2 位
+     * </p>
+     */
+    FIXED_PHONE {
+        @Override
+        public String mask(String str, char character, int left, int right) {
+            return CharSequenceUtil.replace(str, 4, str.length() - 2, character);
+        }
+    },
+
+    /**
+     * 电子邮箱
+     *
+     * <p>
+     * 邮箱前缀仅保留第 1 个字母，@ 符号及后面的地址不脱敏，例如：d**@126.com
+     * </p>
+     */
+    EMAIL {
+        @Override
+        public String mask(String str, char character, int left, int right) {
+            int index = str.indexOf(StringConstants.AT);
+            if (index <= 1) {
+                return str;
+            }
+            return CharSequenceUtil.replace(str, 1, index, character);
+        }
+    },
+
+    /**
+     * 身份证号
+     * <p>
+     * 保留前 1 位和后 2 位
+     * </p>
+     */
+    ID_CARD {
+        @Override
+        public String mask(String str, char character, int left, int right) {
+            return CharSequenceUtil.replace(str, 1, str.length() - 2, character);
+        }
+    },
+
+    /**
+     * 银行卡
+     * <p>
+     * 由于银行卡号长度不定，所以只保留前 4 位，后面保留的位数根据卡号决定展示 1-4 位
+     * <ul>
+     * <li>1234 2222 3333 4444 6789 9 => 1234 **** **** **** **** 9</li>
+     * <li>1234 2222 3333 4444 6789 91 => 1234 **** **** **** **** 91</li>
+     * <li>1234 2222 3333 4444 678 => 1234 **** **** **** 678</li>
+     * <li>1234 2222 3333 4444 6789 => 1234 **** **** **** 6789</li>
+     * </ul>
+     * </p>
+     */
+    BANK_CARD {
+        @Override
+        public String mask(String str, char character, int left, int right) {
+            String cleanStr = CharSequenceUtil.cleanBlank(str);
+            if (cleanStr.length() < 9) {
+                return cleanStr;
+            }
+            final int length = cleanStr.length();
+            final int endLength = length % 4 == 0 ? 4 : length % 4;
+            final int midLength = length - 4 - endLength;
+            final StringBuilder buffer = new StringBuilder();
+            buffer.append(cleanStr, 0, 4);
+            for (int i = 0; i < midLength; ++i) {
+                if (i % 4 == 0) {
+                    buffer.append(CharUtil.SPACE);
+                }
+                buffer.append(character);
+            }
+            buffer.append(CharUtil.SPACE).append(cleanStr, length - endLength, length);
+            return buffer.toString();
+        }
+    },
+
+    /**
+     * 中国大陆车牌（包含普通车辆、新能源车辆）
+     * <p>
+     * 例如：苏D40000 => 苏D4***0
+     * </p>
+     */
+    CAR_LICENSE {
+        @Override
+        public String mask(String str, char character, int left, int right) {
+            // 普通车牌
+            int length = str.length();
+            if (length == 7) {
+                return CharSequenceUtil.replace(str, 3, 6, character);
+            }
+            // 新能源车牌
+            if (length == 8) {
+                return CharSequenceUtil.replace(str, 3, 7, character);
+            }
+            return str;
+        }
+    },
+
+    /**
+     * 中文名
+     * <p>
+     * 只保留第 1 个汉字，例如：李**
+     * </p>
+     */
+    CHINESE_NAME {
+        @Override
+        public String mask(String str, char character, int left, int right) {
+            return CharSequenceUtil.replace(str, 1, str.length(), character);
+        }
+    },
+
+    /**
+     * 密码
+     * <p>
+     * 密码的全部字符都使用脱敏符号代替，例如：******
+     * </p>
+     */
+    PASSWORD {
+        @Override
+        public String mask(String str, char character, int left, int right) {
+            return CharSequenceUtil.repeat(character, str.length());
+        }
+    },
+
+    /**
+     * 地址
+     * <p>
+     * 只显示到地区，不显示详细地址，例如：北京市海淀区****
+     * </p>
+     */
+    ADDRESS {
+        @Override
+        public String mask(String str, char character, int left, int right) {
+            int length = str.length();
+            return CharSequenceUtil.replace(str, length - 8, length, character);
+        }
+    },
+
+    /**
+     * IPv4 地址
+     * <p>
+     * 例如：192.0.2.1 => 192.*.*.*
+     * </p>
+     */
+    IPV4 {
+        @Override
+        public String mask(String str, char character, int left, int right) {
+            return CharSequenceUtil.subBefore(str, StringConstants.DOT, false) + String
+                .format(".%s.%s.%s", character, character, character);
+        }
+    },
+
+    /**
+     * IPv6 地址
+     * <p>
+     * 例如：2001:0db8:86a3:08d3:1319:8a2e:0370:7344 => 2001:*:*:*:*:*:*:*
+     * </p>
+     */
+    IPV6 {
+        @Override
+        public String mask(String str, char character, int left, int right) {
+            return CharSequenceUtil.subBefore(str, StringConstants.COLON, false) + String
+                .format(":%s:%s:%s:%s:%s:%s:%s", character, character, character, character, character, character, character);
+        }
+    },;
+
+    /**
+     * 数据脱敏
+     *
+     * @param str       原始字符串
+     * @param character 脱敏符号
+     * @param left      左侧保留位数
+     * @param right     右侧保留位数
+     * @return 脱敏后的数据
+     */
+    public abstract String mask(String str, char character, int left, int right);
+}

continew-starter-security/pom.xml

@@ -15,6 +15,7 @@
 
     <modules>
         <module>continew-starter-security-password</module>
+        <module>continew-starter-security-mask</module>
     </modules>
 
     <dependencies>