forked from pquiring/javaforce
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathjfusezip.java
More file actions
executable file
·281 lines (257 loc) · 6.42 KB
/
Copy pathjfusezip.java
File metadata and controls
executable file
·281 lines (257 loc) · 6.42 KB
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
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
package javaforce.utils;
/**
* Fuse .zip
*
* Currently only supports reading zip files.
* Does NOT support password protected zips.
*
* Created : Feb 7, 2014
*/
import java.io.*;
import java.util.*;
import java.util.zip.*;
import javaforce.*;
import javaforce.jni.*;
import javaforce.jni.lnx.*;
public class jfusezip extends Fuse {
private ZipFile zip;
public static void main(String args[]) {
if (args.length == 0) {
System.out.println("Usage : jfuse-zip zip_file mount");
return;
}
new jfusezip().main2(args);
}
public boolean auth(String args[], String passwd) {
try {
//TODO : if ever support passwords check it here
zip = new ZipFile(args[0]);
return true;
} catch (Exception e) {
JFLog.log("Error:" + e);
return false;
}
}
public void main2(String args[]) {
try {
//auth first
System.out.print("Password:");
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String pass = br.readLine();
if (!auth(args, pass)) throw new Exception("bad password");
System.out.println("Ok");
System.out.flush();
LnxNative.fuse(args, this);
} catch (Exception e) {
JFLog.log("Error:" + e);
}
}
public int getattr(String path, FuseStat stat) {
// JFLog.log("getattr:" + path);
if (path.equals("/")) {
stat.folder = true;
return 0;
}
if (path.startsWith("/")) path = path.substring(1);
try {
ZipEntry entry = zip.getEntry(path + "/");
if (entry == null) {
entry = zip.getEntry(path);
if (entry == null) {
return -ENOENT; //not found
}
}
if (entry.isDirectory()) {
stat.folder = true;
} else {
stat.size = entry.getSize();
}
return 0;
} catch (Exception e) {
JFLog.log(e);
return -1;
}
}
public int mkdir(String path, int mode) {
// JFLog.log("mkdir:" + path);
if (!path.endsWith("/")) path += "/";
try {
//TODO
return -1;
} catch (Exception e) {
JFLog.log(e);
return -1;
}
}
public int unlink(String path) {
// JFLog.log("unlink:" + path);
try {
//TODO
return -1;
} catch (Exception e) {
JFLog.log(e);
return -1;
}
}
public int rmdir(String path) {
// JFLog.log("rmdir:" + path);
if (!path.endsWith("/")) path += "/";
try {
//TODO
return -1;
} catch (Exception e) {
JFLog.log(e);
return -1;
}
}
public int symlink(String target, String link) {
// JFLog.log("symlink:" + link + "->" + target);
return -1;
}
public int link(String target, String link) {
// JFLog.log("link:" + link + "->" + target);
return -1;
}
public int chmod(String path, int mode) {
// JFLog.log("chmod:" + path);
return -1;
}
public int chown(String path, int mode) {
// JFLog.log("chown:" + path);
return -1;
}
public int truncate(String path, long size) {
// JFLog.log("truncate:" + path);
try {
//TODO
return -1;
} catch (Exception e) {
JFLog.log(e);
}
return -1;
}
private class FileState {
InputStream is;
OutputStream os;
long offset;
boolean canWrite;
boolean canRead;
}
public int open(String path, int _mode, int fd) {
// JFLog.log("open:" + path);
if (path.startsWith("/")) path = path.substring(1);
try {
ZipEntry ze = zip.getEntry(path);
if (ze == null) return -1;
if (ze.isDirectory()) return -1;
FileState fs = new FileState();
String mode = "";
fs.canRead = true;
if (fs.canRead) mode += "r";
fs.canWrite = false;
if (fs.canWrite) mode += "w";
if (mode.length() == 0) {
// JFLog.log("open:access denied");
return -1;
}
fs.is = zip.getInputStream(ze);
attachObject(fd, fs);
return 0;
} catch (Exception e) {
JFLog.log(e);
return -1;
}
}
public int read(String path, byte buf[], long offset, int fd) {
int size = buf.length;
// JFLog.log("read:" + path);
FileState fs = (FileState)getObject(fd);
if (fs == null) {
// JFLog.log("no fs");
return -1;
}
if (!fs.canRead) {
// JFLog.log("!read");
return -1;
}
byte data[] = new byte[size];
try {
if (offset != fs.offset) return -1;
int read = 0;
int pos = 0;
while (read != size) {
int left = size - read;
int amt = fs.is.read(data, 0, left);
if (amt <= 0) break;
System.arraycopy(data, 0, buf, pos, amt);
read += amt;
pos += amt;
}
// JFLog.log("read=" + read);
fs.offset += size;
return read;
} catch (Exception e) {
JFLog.log(e);
return -1;
}
}
public int write(String path, byte buf[], long offset, int fd) {
int size = buf.length;
// JFLog.log("write:" + path);
FileState fs = (FileState)getObject(fd);
if (fs == null) return -1;
if (!fs.canWrite) return -1;
try {
if (offset != fs.offset) return -1;
fs.os.write(buf);
fs.offset += size;
return size;
} catch (Exception e) {
JFLog.log(e);
return -1;
}
}
public int statfs(String path) {
// JFLog.log("statfs:" + path);
return -1;
}
public int close(String path, int fd) {
// JFLog.log("close:" + path);
detachObject(fd);
return 0;
}
public String[] readdir(String path) {
// JFLog.log("readdir:" + path);
if (!path.endsWith("/")) path += "/";
try {
ArrayList<String> dir = new ArrayList<String>();
Enumeration e = zip.entries();
while (e.hasMoreElements()) {
ZipEntry ze = (ZipEntry)e.nextElement();
String name = "/" + ze.getName();
if (name.endsWith("/")) name = name.substring(0, name.length() - 1);
int idx = name.lastIndexOf("/");
String filepath = name.substring(0, idx+1);
// JFLog.log("file=" + name + ",path=" + filepath);
if (!filepath.equals(path)) continue;
// JFLog.log("invokeFiller:" + name);
dir.add(name.substring(idx+1));
}
// JFLog.log("readdir done");
return dir.toArray(new String[0]);
} catch (Exception e) {
JFLog.log(e);
return null;
}
}
public int create(String path, int mode, int fd) {
// JFLog.log("create:" + path);
try {
//TODO
return -1;
} catch (Exception e) {
JFLog.log(e);
}
return -1;
}
}