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
|
/*
* Copyright 2014 gitblit.com.
*
* 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 com.gitblit.servlet;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
import org.apache.commons.compress.archivers.tar.TarArchiveOutputStream;
import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
import org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream;
import org.apache.commons.compress.compressors.CompressorOutputStream;
import org.apache.commons.compress.compressors.CompressorStreamFactory;
import org.apache.wicket.util.io.ByteArrayOutputStream;
import org.eclipse.jgit.lib.FileMode;
import com.gitblit.dagger.DaggerServlet;
import com.gitblit.manager.IRuntimeManager;
import dagger.ObjectGraph;
/**
* Handles requests for the Barnum pt (patchset tool).
*
* The user-agent determines the content and compression format.
*
* @author James Moger
*
*/
public class PtServlet extends DaggerServlet {
private static final long serialVersionUID = 1L;
private static final long lastModified = System.currentTimeMillis();
private IRuntimeManager runtimeManager;
@Override
protected void inject(ObjectGraph dagger) {
this.runtimeManager = dagger.get(IRuntimeManager.class);
}
@Override
protected long getLastModified(HttpServletRequest req) {
File file = runtimeManager.getFileOrFolder("tickets.pt", "${baseFolder}/pt.py");
if (file.exists()) {
return Math.max(lastModified, file.lastModified());
} else {
return lastModified;
}
}
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
try {
response.setContentType("application/octet-stream");
response.setDateHeader("Last-Modified", lastModified);
response.setHeader("Cache-Control", "none");
response.setHeader("Pragma", "no-cache");
response.setDateHeader("Expires", 0);
boolean windows = false;
try {
String useragent = request.getHeader("user-agent").toString();
windows = useragent.toLowerCase().contains("windows");
} catch (Exception e) {
}
byte[] pyBytes;
File file = runtimeManager.getFileOrFolder("tickets.pt", "${baseFolder}/pt.py");
if (file.exists()) {
// custom script
pyBytes = readAll(new FileInputStream(file));
} else {
// default script
pyBytes = readAll(getClass().getResourceAsStream("/pt.py"));
}
if (windows) {
// windows: download zip file with pt.py and pt.cmd
response.setHeader("Content-Disposition", "attachment; filename=\"pt.zip\"");
OutputStream os = response.getOutputStream();
ZipArchiveOutputStream zos = new ZipArchiveOutputStream(os);
// add the Python script
ZipArchiveEntry pyEntry = new ZipArchiveEntry("pt.py");
pyEntry.setSize(pyBytes.length);
pyEntry.setUnixMode(FileMode.EXECUTABLE_FILE.getBits());
pyEntry.setTime(lastModified);
zos.putArchiveEntry(pyEntry);
zos.write(pyBytes);
zos.closeArchiveEntry();
// add a Python launch cmd file
byte [] cmdBytes = readAll(getClass().getResourceAsStream("/pt.cmd"));
ZipArchiveEntry cmdEntry = new ZipArchiveEntry("pt.cmd");
cmdEntry.setSize(cmdBytes.length);
cmdEntry.setUnixMode(FileMode.REGULAR_FILE.getBits());
cmdEntry.setTime(lastModified);
zos.putArchiveEntry(cmdEntry);
zos.write(cmdBytes);
zos.closeArchiveEntry();
// add a brief readme
byte [] txtBytes = readAll(getClass().getResourceAsStream("/pt.txt"));
ZipArchiveEntry txtEntry = new ZipArchiveEntry("readme.txt");
txtEntry.setSize(txtBytes.length);
txtEntry.setUnixMode(FileMode.REGULAR_FILE.getBits());
txtEntry.setTime(lastModified);
zos.putArchiveEntry(txtEntry);
zos.write(txtBytes);
zos.closeArchiveEntry();
// cleanup
zos.finish();
zos.close();
os.flush();
} else {
// unix: download a tar.gz file with pt.py set with execute permissions
response.setHeader("Content-Disposition", "attachment; filename=\"pt.tar.gz\"");
OutputStream os = response.getOutputStream();
CompressorOutputStream cos = new CompressorStreamFactory().createCompressorOutputStream(CompressorStreamFactory.GZIP, os);
TarArchiveOutputStream tos = new TarArchiveOutputStream(cos);
tos.setAddPaxHeadersForNonAsciiNames(true);
tos.setLongFileMode(TarArchiveOutputStream.LONGFILE_POSIX);
// add the Python script
TarArchiveEntry pyEntry = new TarArchiveEntry("pt");
pyEntry.setMode(FileMode.EXECUTABLE_FILE.getBits());
pyEntry.setModTime(lastModified);
pyEntry.setSize(pyBytes.length);
tos.putArchiveEntry(pyEntry);
tos.write(pyBytes);
tos.closeArchiveEntry();
// add a brief readme
byte [] txtBytes = readAll(getClass().getResourceAsStream("/pt.txt"));
TarArchiveEntry txtEntry = new TarArchiveEntry("README");
txtEntry.setMode(FileMode.REGULAR_FILE.getBits());
txtEntry.setModTime(lastModified);
txtEntry.setSize(txtBytes.length);
tos.putArchiveEntry(txtEntry);
tos.write(txtBytes);
tos.closeArchiveEntry();
// cleanup
tos.finish();
tos.close();
cos.close();
os.flush();
}
} catch (Exception e) {
e.printStackTrace();
}
}
byte [] readAll(InputStream is) {
ByteArrayOutputStream os = new ByteArrayOutputStream();
try {
byte [] buffer = new byte[4096];
int len = 0;
while ((len = is.read(buffer)) > -1) {
os.write(buffer, 0, len);
}
return os.toByteArray();
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
os.close();
is.close();
} catch (Exception e) {
// ignore
}
}
return new byte[0];
}
}
|
