-
Notifications
You must be signed in to change notification settings - Fork 5.3k
/
SerializationCodec.java
127 lines (112 loc) · 4.13 KB
/
SerializationCodec.java
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
115
116
117
118
119
120
121
122
123
124
125
126
127
/**
* Copyright (c) 2013-2024 Nikita Koksharov
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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 org.redisson.codec;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufAllocator;
import io.netty.buffer.ByteBufInputStream;
import io.netty.buffer.ByteBufOutputStream;
import org.redisson.client.codec.BaseCodec;
import org.redisson.client.handler.State;
import org.redisson.client.protocol.Decoder;
import org.redisson.client.protocol.Encoder;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.Set;
/**
* JDK's serialization codec.
* <p>
* Fully thread-safe.*
*
* @author Nikita Koksharov
*
*/
public class SerializationCodec extends BaseCodec {
private final Decoder<Object> decoder = new Decoder<Object>() {
@Override
public Object decode(ByteBuf buf, State state) throws IOException {
try {
//set thread context class loader to be the classLoader variable as there could be reflection
//done while reading from input stream which reflection will use thread class loader to load classes on demand
ClassLoader currentThreadClassLoader = Thread.currentThread().getContextClassLoader();
try {
ByteBufInputStream in = new ByteBufInputStream(buf);
ObjectInputStream inputStream;
if (classLoader != null) {
Thread.currentThread().setContextClassLoader(classLoader);
inputStream = new CustomObjectInputStream(classLoader, in, allowedClasses);
} else {
inputStream = new ObjectInputStream(in);
}
return inputStream.readObject();
} finally {
Thread.currentThread().setContextClassLoader(currentThreadClassLoader);
}
} catch (IOException e) {
throw e;
} catch (Exception e) {
throw new IOException(e);
}
}
};
private final Encoder encoder = new Encoder() {
@Override
public ByteBuf encode(Object in) throws IOException {
ByteBuf out = ByteBufAllocator.DEFAULT.buffer();
try {
ByteBufOutputStream result = new ByteBufOutputStream(out);
ObjectOutputStream outputStream = new ObjectOutputStream(result);
outputStream.writeObject(in);
outputStream.close();
return result.buffer();
} catch (IOException e) {
out.release();
throw e;
}
}
};
private Set<String> allowedClasses;
private final ClassLoader classLoader;
public SerializationCodec() {
this(null);
}
public SerializationCodec(ClassLoader classLoader) {
this.classLoader = classLoader;
}
public SerializationCodec(ClassLoader classLoader, SerializationCodec codec) {
this.classLoader = classLoader;
this.allowedClasses = codec.allowedClasses;
}
public SerializationCodec(ClassLoader classLoader, Set<String> allowedClasses) {
this.classLoader = classLoader;
this.allowedClasses = allowedClasses;
}
@Override
public Decoder<Object> getValueDecoder() {
return decoder;
}
@Override
public Encoder getValueEncoder() {
return encoder;
}
@Override
public ClassLoader getClassLoader() {
if (classLoader != null) {
return classLoader;
}
return getClass().getClassLoader();
}
}