20200904

xiaoyong931011

2020-09-04 8c4700e391ff1cbc6c5be9962304a9ff96c6e559

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
package com.xcong.excoin.common.interceptor;
 
import com.xcong.excoin.common.annotation.Desensitization;
import com.xcong.excoin.common.entity.DesensitizationType;
import lombok.Data;
import org.apache.commons.lang3.StringUtils;
import org.apache.ibatis.cache.CacheKey;
import org.apache.ibatis.executor.Executor;
import org.apache.ibatis.mapping.BoundSql;
import org.apache.ibatis.mapping.MappedStatement;
import org.apache.ibatis.plugin.*;
import org.apache.ibatis.session.ResultHandler;
import org.apache.ibatis.session.RowBounds;
 
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Properties;
 
/**
 * @author MrBird
 */
@Data
@Intercepts({
        @Signature(type = Executor.class, method = "query", args = {MappedStatement.class, Object.class,
                RowBounds.class, ResultHandler.class}),
        @Signature(type = Executor.class, method = "query", args = {MappedStatement.class, Object.class,
                RowBounds.class, ResultHandler.class, CacheKey.class, BoundSql.class}),})
public class DesensitizationInterceptor implements Interceptor {
 
    @Override
    public Object intercept(Invocation invocation) throws Throwable {
        Object result = invocation.proceed();
        if (result instanceof ArrayList<?>) {
            List<?> list = (ArrayList<?>) result;
            return this.desensitization(list);
        } else {
            return this.desensitization(result);
        }
    }
 
    @Override
    public Object plugin(Object target) {
        return Plugin.wrap(target, this);
    }
 
    @Override
    public void setProperties(Properties properties) {
 
    }
 
    private List<?> desensitization(List<?> list) {
        Class<?> cls = null;
        Field[] objFields = null;
        if (list != null && list.size() > 0) {
            for (Object o : list) {
                if (cls == null) {
                    cls = o.getClass();
                    objFields = cls.getDeclaredFields();
                }
                desensitizationField(o, objFields);
            }
        }
        return list;
    }
 
    private Object desensitization(Object obj) {
        Class<?> cls;
        Field[] objFields;
        if (obj != null) {
            cls = obj.getClass();
            objFields = cls.getDeclaredFields();
            desensitizationField(obj, objFields);
        }
        return obj;
    }
 
    private void desensitizationField(Object obj, Field[] objFields) {
        for (Field field : objFields) {
            Desensitization desensitization;
            if ("serialVersionUID".equals(field.getName())) {
                continue;
            }
            if (String.class != field.getType() || (desensitization = field.getAnnotation(Desensitization.class)) == null) {
                continue;
            }
            field.setAccessible(true);
            String value;
            try {
                value = field.get(obj) != null ? field.get(obj).toString() : null;
            } catch (Exception e) {
                value = null;
            }
            if (value == null) {
                continue;
            }
            List<String> regular;
            DesensitizationType type = desensitization.type();
            regular = Arrays.asList(type.getRegular());
            if (regular.size() > 1) {
                String match = regular.get(0);
                String result = regular.get(1);
                if (StringUtils.isNotBlank(match) && StringUtils.isNotBlank(result)) {
                    value = value.replaceAll(match, result);
                    try {
                        field.set(obj, value);
                    } catch (Exception ignore) {
                    }
                }
            }
        }
    }
}