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
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
|
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.catalina.connector;
import java.io.IOException;
import java.security.AccessController;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
import javax.servlet.ServletInputStream;
import org.apache.catalina.security.SecurityUtil;
/**
* This class handles reading bytes.
*
* @author Remy Maucherat
* @author Jean-Francois Arcand
*/
public class CoyoteInputStream
extends ServletInputStream {
// ----------------------------------------------------- Instance Variables
protected InputBuffer ib;
// ----------------------------------------------------------- Constructors
protected CoyoteInputStream(InputBuffer ib) {
this.ib = ib;
}
// -------------------------------------------------------- Package Methods
/**
* Clear facade.
*/
void clear() {
ib = null;
}
// --------------------------------------------------------- Public Methods
/**
* Prevent cloning the facade.
*/
@Override
protected Object clone()
throws CloneNotSupportedException {
throw new CloneNotSupportedException();
}
// --------------------------------------------- ServletInputStream Methods
@Override
public int read()
throws IOException {
if (SecurityUtil.isPackageProtectionEnabled()){
try{
Integer result =
AccessController.doPrivileged(
new PrivilegedExceptionAction<Integer>(){
@Override
public Integer run() throws IOException{
Integer integer = Integer.valueOf(ib.readByte());
return integer;
}
});
return result.intValue();
} catch(PrivilegedActionException pae){
Exception e = pae.getException();
if (e instanceof IOException){
throw (IOException)e;
} else {
throw new RuntimeException(e.getMessage(), e);
}
}
} else {
return ib.readByte();
}
}
@Override
public int available() throws IOException {
if (SecurityUtil.isPackageProtectionEnabled()){
try{
Integer result =
AccessController.doPrivileged(
new PrivilegedExceptionAction<Integer>(){
@Override
public Integer run() throws IOException{
Integer integer = Integer.valueOf(ib.available());
return integer;
}
});
return result.intValue();
} catch(PrivilegedActionException pae){
Exception e = pae.getException();
if (e instanceof IOException){
throw (IOException)e;
} else {
throw new RuntimeException(e.getMessage(), e);
}
}
} else {
return ib.available();
}
}
@Override
public int read(final byte[] b) throws IOException {
if (SecurityUtil.isPackageProtectionEnabled()){
try{
Integer result =
AccessController.doPrivileged(
new PrivilegedExceptionAction<Integer>(){
@Override
public Integer run() throws IOException{
Integer integer =
Integer.valueOf(ib.read(b, 0, b.length));
return integer;
}
});
return result.intValue();
} catch(PrivilegedActionException pae){
Exception e = pae.getException();
if (e instanceof IOException){
throw (IOException)e;
} else {
throw new RuntimeException(e.getMessage() ,e);
}
}
} else {
return ib.read(b, 0, b.length);
}
}
@Override
public int read(final byte[] b, final int off, final int len)
throws IOException {
if (SecurityUtil.isPackageProtectionEnabled()){
try{
Integer result =
AccessController.doPrivileged(
new PrivilegedExceptionAction<Integer>(){
@Override
public Integer run() throws IOException{
Integer integer =
Integer.valueOf(ib.read(b, off, len));
return integer;
}
});
return result.intValue();
} catch(PrivilegedActionException pae){
Exception e = pae.getException();
if (e instanceof IOException){
throw (IOException)e;
} else {
throw new RuntimeException(e.getMessage(), e);
}
}
} else {
return ib.read(b, off, len);
}
}
@Override
public int readLine(byte[] b, int off, int len) throws IOException {
return super.readLine(b, off, len);
}
/**
* Close the stream
* Since we re-cycle, we can't allow the call to super.close()
* which would permanently disable us.
*/
@Override
public void close() throws IOException {
if (SecurityUtil.isPackageProtectionEnabled()){
try{
AccessController.doPrivileged(
new PrivilegedExceptionAction<Void>(){
@Override
public Void run() throws IOException{
ib.close();
return null;
}
});
} catch(PrivilegedActionException pae){
Exception e = pae.getException();
if (e instanceof IOException){
throw (IOException)e;
} else {
throw new RuntimeException(e.getMessage(), e);
}
}
} else {
ib.close();
}
}
}
|
