blob: 5e2517f19335ec903a068b359bd316039492a62c (
plain)
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
|
/* ====================================================================
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.poi.hmef.dev;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.List;
import org.apache.poi.hmef.HMEFMessage;
import org.apache.poi.hmef.attribute.MAPIAttribute;
import org.apache.poi.hmef.attribute.TNEFAttribute;
import org.apache.poi.hmef.attribute.TNEFDateAttribute;
import org.apache.poi.hmef.attribute.TNEFProperty;
import org.apache.poi.hmef.attribute.TNEFStringAttribute;
import org.apache.poi.util.HexDump;
import org.apache.poi.util.IOUtils;
import org.apache.poi.util.LittleEndian;
/**
* Developer focused raw dumper
*/
public final class HMEFDumper {
//arbitrarily selected; may need to increase
private static final int DEFAULT_MAX_RECORD_LENGTH = 1_000_000;
private static int MAX_RECORD_LENGTH = DEFAULT_MAX_RECORD_LENGTH;
/**
* @param length the max record length allowed for HMEFDumper
*/
public static void setMaxRecordLength(int length) {
MAX_RECORD_LENGTH = length;
}
/**
* @return the max record length allowed for HMEFDumper
*/
public static int getMaxRecordLength() {
return MAX_RECORD_LENGTH;
}
public static void main(String[] args) throws Exception {
if(args.length < 1) {
throw new IllegalArgumentException("Filename must be given");
}
boolean truncatePropData = true;
for (String arg : args) {
if (arg.equalsIgnoreCase("--full")) {
truncatePropData = false;
continue;
}
try (InputStream stream = Files.newInputStream(Paths.get(arg))) {
HMEFDumper dumper = new HMEFDumper(stream);
dumper.setTruncatePropertyData(truncatePropData);
dumper.dump();
}
}
}
private InputStream inp;
private boolean truncatePropertyData;
public HMEFDumper(InputStream inp) throws IOException {
this.inp = inp;
// Check the signature matches
int sig = LittleEndian.readInt(inp);
if(sig != HMEFMessage.HEADER_SIGNATURE) {
throw new IllegalArgumentException(
"TNEF signature not detected in file, " +
"expected " + HMEFMessage.HEADER_SIGNATURE +
" but got " + sig
);
}
// Skip over the File ID
LittleEndian.readUShort(inp);
}
public void setTruncatePropertyData(boolean truncate) {
truncatePropertyData = truncate;
}
private void dump() throws IOException {
int level;
int attachments = 0;
while(true) {
// Fetch the level
level = inp.read();
if(level == TNEFProperty.LEVEL_END_OF_FILE) {
break;
}
// Build the attribute
TNEFAttribute attr = TNEFAttribute.create(inp);
// Is it a new attachment?
if(level == TNEFProperty.LEVEL_ATTACHMENT &&
attr.getProperty() == TNEFProperty.ID_ATTACHRENDERDATA) {
attachments++;
System.out.println();
System.out.println("Attachment # " + attachments);
System.out.println();
}
// Print the attribute into
System.out.println(
"Level " + level + " : Type " + attr.getType() +
" : ID " + attr.getProperty()
);
// Print the contents
String indent = " ";
if(attr instanceof TNEFStringAttribute) {
System.out.println(indent + indent + indent + ((TNEFStringAttribute)attr).getString());
}
if(attr instanceof TNEFDateAttribute) {
System.out.println(indent + indent + indent + ((TNEFDateAttribute)attr).getDate());
}
System.out.println(indent + "Data of length " + attr.getData().length);
if(attr.getData().length > 0) {
int len = attr.getData().length;
if(truncatePropertyData) {
len = Math.min( attr.getData().length, 48 );
}
int loops = len/16;
if(loops == 0) loops = 1;
for(int i=0; i<loops; i++) {
int thisLen = 16;
int offset = i*16;
if(i == loops-1) {
thisLen = len - offset;
}
byte[] data = IOUtils.safelyClone(attr.getData(), offset, thisLen, MAX_RECORD_LENGTH);
System.out.print(
indent + HexDump.dump(data, 0, 0)
);
}
}
System.out.println();
if(attr.getProperty() == TNEFProperty.ID_MAPIPROPERTIES ||
attr.getProperty() == TNEFProperty.ID_ATTACHMENT) {
List<MAPIAttribute> attrs = MAPIAttribute.create(attr);
for(MAPIAttribute ma : attrs) {
System.out.println(indent + indent + ma);
}
System.out.println();
}
}
}
}
|
