|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* Copyright (c) 2014 Robin Appelman <[email protected]> |
|
4
|
|
|
* This file is licensed under the Licensed under the MIT license: |
|
5
|
|
|
* http://opensource.org/licenses/MIT |
|
6
|
|
|
*/ |
|
7
|
|
|
|
|
8
|
|
|
namespace Icewind\SMB\Wrapped; |
|
9
|
|
|
|
|
10
|
|
|
use Icewind\SMB\AbstractShare; |
|
11
|
|
|
use Icewind\SMB\Exception\ConnectionException; |
|
12
|
|
|
use Icewind\SMB\Exception\DependencyException; |
|
13
|
|
|
use Icewind\SMB\Exception\FileInUseException; |
|
14
|
|
|
use Icewind\SMB\Exception\InvalidTypeException; |
|
15
|
|
|
use Icewind\SMB\Exception\NotFoundException; |
|
16
|
|
|
use Icewind\SMB\IFileInfo; |
|
17
|
|
|
use Icewind\SMB\INotifyHandler; |
|
18
|
|
|
use Icewind\SMB\IServer; |
|
19
|
|
|
use Icewind\SMB\ISystem; |
|
20
|
|
|
use Icewind\Streams\CallbackWrapper; |
|
21
|
|
|
use Icewind\SMB\Native\NativeShare; |
|
22
|
|
|
use Icewind\SMB\Native\NativeServer; |
|
23
|
|
|
|
|
24
|
|
|
class Share extends AbstractShare { |
|
25
|
|
|
/** |
|
26
|
|
|
* @var IServer $server |
|
27
|
|
|
*/ |
|
28
|
|
|
private $server; |
|
29
|
|
|
|
|
30
|
|
|
/** |
|
31
|
|
|
* @var string $name |
|
32
|
|
|
*/ |
|
33
|
|
|
private $name; |
|
34
|
|
|
|
|
35
|
|
|
/** |
|
36
|
|
|
* @var Connection $connection |
|
37
|
|
|
*/ |
|
38
|
|
|
public $connection; |
|
39
|
|
|
|
|
40
|
|
|
/** |
|
41
|
|
|
* @var Parser |
|
42
|
|
|
*/ |
|
43
|
|
|
protected $parser; |
|
44
|
|
|
|
|
45
|
|
|
/** |
|
46
|
|
|
* @var ISystem |
|
47
|
|
|
*/ |
|
48
|
|
|
private $system; |
|
49
|
|
|
|
|
50
|
|
|
const MODE_MAP = [ |
|
51
|
|
|
FileInfo::MODE_READONLY => 'r', |
|
52
|
|
|
FileInfo::MODE_HIDDEN => 'h', |
|
53
|
|
|
FileInfo::MODE_ARCHIVE => 'a', |
|
54
|
|
|
FileInfo::MODE_SYSTEM => 's' |
|
55
|
|
|
]; |
|
56
|
|
|
|
|
57
|
|
|
/** |
|
58
|
|
|
* @param IServer $server |
|
59
|
|
|
* @param string $name |
|
60
|
768 |
|
* @param ISystem $system |
|
61
|
768 |
|
*/ |
|
62
|
768 |
|
public function __construct(IServer $server, $name, ISystem $system) { |
|
63
|
768 |
|
parent::__construct(); |
|
64
|
768 |
|
$this->server = $server; |
|
65
|
768 |
|
$this->name = $name; |
|
66
|
768 |
|
$this->system = $system; |
|
67
|
|
|
$this->parser = new Parser($server->getTimeZone()); |
|
68
|
765 |
|
} |
|
69
|
765 |
|
|
|
70
|
765 |
|
private function getAuthFileArgument() { |
|
71
|
|
|
if ($this->server->getAuth()->getUsername()) { |
|
|
|
|
|
|
72
|
|
|
return '--authentication-file=' . $this->system->getFD(3); |
|
73
|
|
|
} else { |
|
74
|
|
|
return ''; |
|
75
|
|
|
} |
|
76
|
765 |
|
} |
|
77
|
765 |
|
|
|
78
|
765 |
|
protected function getConnection() { |
|
79
|
765 |
|
$command = sprintf('%s%s -t %s %s %s %s', |
|
80
|
765 |
|
$this->system->getStdBufPath() ? $this->system->getStdBufPath() . ' -o0 ' : '', |
|
81
|
765 |
|
$this->system->getSmbclientPath(), |
|
82
|
765 |
|
$this->server->getOptions()->getTimeout(), |
|
83
|
765 |
|
$this->getAuthFileArgument(), |
|
84
|
|
|
$this->server->getAuth()->getExtraCommandLineArguments(), |
|
85
|
765 |
|
escapeshellarg('//' . $this->server->getHost() . '/' . $this->name) |
|
86
|
765 |
|
); |
|
87
|
765 |
|
$connection = new Connection($command, $this->parser); |
|
88
|
765 |
|
$connection->writeAuthentication($this->server->getAuth()->getUsername(), $this->server->getAuth()->getPassword()); |
|
89
|
|
|
$connection->connect(); |
|
90
|
|
|
if (!$connection->isValid()) { |
|
91
|
|
|
throw new ConnectionException($connection->readLine()); |
|
92
|
765 |
|
} |
|
93
|
765 |
|
// some versions of smbclient add a help message in first of the first prompt |
|
94
|
|
|
$connection->clearTillPrompt(); |
|
95
|
|
|
return $connection; |
|
96
|
|
|
} |
|
97
|
|
|
|
|
98
|
|
|
/** |
|
99
|
|
|
* @throws \Icewind\SMB\Exception\ConnectionException |
|
100
|
|
|
* @throws \Icewind\SMB\Exception\AuthenticationException |
|
101
|
762 |
|
* @throws \Icewind\SMB\Exception\InvalidHostException |
|
102
|
762 |
|
*/ |
|
103
|
762 |
|
protected function connect() { |
|
104
|
|
|
if ($this->connection and $this->connection->isValid()) { |
|
105
|
762 |
|
return; |
|
106
|
762 |
|
} |
|
107
|
|
|
$this->connection = $this->getConnection(); |
|
108
|
3 |
|
} |
|
109
|
3 |
|
|
|
110
|
3 |
|
protected function reconnect() { |
|
111
|
|
|
$this->connection->reconnect(); |
|
112
|
|
|
if (!$this->connection->isValid()) { |
|
113
|
3 |
|
throw new ConnectionException(); |
|
114
|
|
|
} |
|
115
|
|
|
} |
|
116
|
|
|
|
|
117
|
|
|
/** |
|
118
|
|
|
* Get the name of the share |
|
119
|
|
|
* |
|
120
|
6 |
|
* @return string |
|
121
|
6 |
|
*/ |
|
122
|
|
|
public function getName() { |
|
123
|
|
|
return $this->name; |
|
124
|
762 |
|
} |
|
125
|
762 |
|
|
|
126
|
762 |
|
protected function simpleCommand($command, $path) { |
|
127
|
762 |
|
$escapedPath = $this->escapePath($path); |
|
128
|
762 |
|
$cmd = $command . ' ' . $escapedPath; |
|
129
|
|
|
$output = $this->execute($cmd); |
|
130
|
|
|
return $this->parseOutput($output, $path); |
|
131
|
|
|
} |
|
132
|
|
|
|
|
133
|
|
|
/** |
|
134
|
|
|
* List the content of a remote folder |
|
135
|
|
|
* |
|
136
|
|
|
* @param $path |
|
137
|
|
|
* @return \Icewind\SMB\IFileInfo[] |
|
138
|
|
|
* |
|
139
|
|
|
* @throws \Icewind\SMB\Exception\NotFoundException |
|
140
|
750 |
|
* @throws \Icewind\SMB\Exception\InvalidTypeException |
|
141
|
750 |
|
*/ |
|
142
|
750 |
|
public function dir($path) { |
|
143
|
|
|
$escapedPath = $this->escapePath($path); |
|
144
|
750 |
|
$output = $this->execute('cd ' . $escapedPath); |
|
145
|
750 |
|
//check output for errors |
|
146
|
|
|
$this->parseOutput($output, $path); |
|
147
|
750 |
|
$output = $this->execute('dir'); |
|
148
|
|
|
|
|
149
|
750 |
|
$this->execute('cd /'); |
|
150
|
|
|
|
|
151
|
|
|
return $this->parser->parseDir($output, $path); |
|
152
|
|
|
} |
|
153
|
|
|
|
|
154
|
|
|
/** |
|
155
|
|
|
* @param string $path |
|
156
|
99 |
|
* @return \Icewind\SMB\IFileInfo |
|
157
|
99 |
|
*/ |
|
158
|
72 |
|
public function stat($path) { |
|
159
|
|
|
// some windows server setups don't seem to like the allinfo command |
|
160
|
|
|
// use the dir command instead to get the file info where possible |
|
161
|
|
|
if ($path !== "" && $path !== "/") { |
|
162
|
72 |
|
$parent = dirname($path); |
|
163
|
|
|
$dir = $this->dir($parent); |
|
164
|
|
|
$file = array_values(array_filter($dir, function(IFileInfo $info) use ($path) { |
|
165
|
72 |
|
return $info->getPath() === $path; |
|
166
|
3 |
|
})); |
|
167
|
|
|
if ($file) { |
|
|
|
|
|
|
168
|
69 |
|
return $file[0]; |
|
169
|
69 |
|
} |
|
170
|
|
|
} |
|
171
|
|
|
|
|
172
|
|
|
$escapedPath = $this->escapePath($path); |
|
173
|
|
|
$output = $this->execute('allinfo ' . $escapedPath); |
|
174
|
|
|
// Windows and non Windows Fileserver may respond different |
|
175
|
|
|
// to the allinfo command for directories. If the result is a single |
|
176
|
|
|
// line = error line, redo it with a different allinfo parameter |
|
177
|
|
|
if ($escapedPath == '""' && count($output) < 2) { |
|
178
|
|
|
$output = $this->execute('allinfo ' . '"."'); |
|
179
|
|
|
} |
|
180
|
|
|
if (count($output) < 3) { |
|
181
|
753 |
|
$this->parseOutput($output, $path); |
|
182
|
753 |
|
} |
|
183
|
|
|
$stat = $this->parser->parseStat($output); |
|
184
|
|
|
return new FileInfo($path, basename($path), $stat['size'], $stat['mtime'], $stat['mode']); |
|
185
|
|
|
} |
|
186
|
|
|
|
|
187
|
|
|
/** |
|
188
|
|
|
* Create a folder on the share |
|
189
|
|
|
* |
|
190
|
|
|
* @param string $path |
|
191
|
|
|
* @return bool |
|
192
|
|
|
* |
|
193
|
|
|
* @throws \Icewind\SMB\Exception\NotFoundException |
|
194
|
753 |
|
* @throws \Icewind\SMB\Exception\AlreadyExistsException |
|
195
|
753 |
|
*/ |
|
196
|
|
|
public function mkdir($path) { |
|
197
|
|
|
return $this->simpleCommand('mkdir', $path); |
|
198
|
|
|
} |
|
199
|
|
|
|
|
200
|
|
|
/** |
|
201
|
|
|
* Remove a folder on the share |
|
202
|
|
|
* |
|
203
|
|
|
* @param string $path |
|
204
|
|
|
* @return bool |
|
205
|
|
|
* |
|
206
|
|
|
* @throws \Icewind\SMB\Exception\NotFoundException |
|
207
|
|
|
* @throws \Icewind\SMB\Exception\InvalidTypeException |
|
208
|
393 |
|
*/ |
|
209
|
|
|
public function rmdir($path) { |
|
210
|
|
|
return $this->simpleCommand('rmdir', $path); |
|
211
|
|
|
} |
|
212
|
393 |
|
|
|
213
|
36 |
|
/** |
|
214
|
|
|
* Delete a file on the share |
|
215
|
|
|
* |
|
216
|
6 |
|
* @param string $path |
|
217
|
6 |
|
* @param bool $secondTry |
|
218
|
3 |
|
* @return bool |
|
219
|
3 |
|
* @throws InvalidTypeException |
|
220
|
3 |
|
* @throws NotFoundException |
|
221
|
|
|
* @throws \Exception |
|
222
|
|
|
*/ |
|
223
|
30 |
|
public function del($path, $secondTry = false) { |
|
224
|
3 |
|
//del return a file not found error when trying to delete a folder |
|
225
|
|
|
//we catch it so we can check if $path doesn't exist or is of invalid type |
|
226
|
|
|
try { |
|
227
|
3 |
|
return $this->simpleCommand('del', $path); |
|
228
|
3 |
|
} catch (NotFoundException $e) { |
|
229
|
|
|
//no need to do anything with the result, we just check if this throws the not found error |
|
230
|
|
|
try { |
|
231
|
|
|
$this->simpleCommand('ls', $path); |
|
232
|
|
|
} catch (NotFoundException $e2) { |
|
233
|
|
|
throw $e; |
|
234
|
|
|
} catch (\Exception $e2) { |
|
235
|
|
|
throw new InvalidTypeException($path); |
|
236
|
|
|
} |
|
237
|
|
|
throw $e; |
|
238
|
|
|
} catch (FileInUseException $e) { |
|
239
|
|
|
if ($secondTry) { |
|
240
|
|
|
throw $e; |
|
241
|
|
|
} |
|
242
|
90 |
|
$this->reconnect(); |
|
243
|
90 |
|
return $this->del($path, true); |
|
244
|
63 |
|
} |
|
245
|
63 |
|
} |
|
246
|
63 |
|
|
|
247
|
|
|
/** |
|
248
|
|
|
* Rename a remote file |
|
249
|
|
|
* |
|
250
|
|
|
* @param string $from |
|
251
|
|
|
* @param string $to |
|
252
|
|
|
* @return bool |
|
253
|
|
|
* |
|
254
|
|
|
* @throws \Icewind\SMB\Exception\NotFoundException |
|
255
|
|
|
* @throws \Icewind\SMB\Exception\AlreadyExistsException |
|
256
|
|
|
*/ |
|
257
|
|
View Code Duplication |
public function rename($from, $to) { |
|
258
|
|
|
$path1 = $this->escapePath($from); |
|
259
|
345 |
|
$path2 = $this->escapePath($to); |
|
260
|
345 |
|
$output = $this->execute('rename ' . $path1 . ' ' . $path2); |
|
261
|
345 |
|
return $this->parseOutput($output, $to); |
|
262
|
318 |
|
} |
|
263
|
318 |
|
|
|
264
|
|
|
/** |
|
265
|
|
|
* Upload a local file |
|
266
|
|
|
* |
|
267
|
|
|
* @param string $source local file |
|
268
|
|
|
* @param string $target remove file |
|
269
|
|
|
* @return bool |
|
270
|
|
|
* |
|
271
|
|
|
* @throws \Icewind\SMB\Exception\NotFoundException |
|
272
|
|
|
* @throws \Icewind\SMB\Exception\InvalidTypeException |
|
273
|
|
|
*/ |
|
274
|
|
View Code Duplication |
public function put($source, $target) { |
|
|
|
|
|
|
275
|
|
|
$path1 = $this->escapeLocalPath($source); //first path is local, needs different escaping |
|
276
|
132 |
|
$path2 = $this->escapePath($target); |
|
277
|
132 |
|
$output = $this->execute('put ' . $path1 . ' ' . $path2); |
|
278
|
105 |
|
return $this->parseOutput($output, $target); |
|
279
|
105 |
|
} |
|
280
|
105 |
|
|
|
281
|
|
|
/** |
|
282
|
|
|
* Download a remote file |
|
283
|
|
|
* |
|
284
|
|
|
* @param string $source remove file |
|
285
|
|
|
* @param string $target local file |
|
286
|
|
|
* @return bool |
|
287
|
|
|
* |
|
288
|
|
|
* @throws \Icewind\SMB\Exception\NotFoundException |
|
289
|
|
|
* @throws \Icewind\SMB\Exception\InvalidTypeException |
|
290
|
|
|
*/ |
|
291
|
|
View Code Duplication |
public function get($source, $target) { |
|
|
|
|
|
|
292
|
75 |
|
$path1 = $this->escapePath($source); |
|
293
|
75 |
|
$path2 = $this->escapeLocalPath($target); //second path is local, needs different escaping |
|
294
|
|
|
$output = $this->execute('get ' . $path1 . ' ' . $path2); |
|
295
|
|
|
return $this->parseOutput($output, $source); |
|
296
|
48 |
|
} |
|
297
|
|
|
|
|
298
|
48 |
|
/** |
|
299
|
48 |
|
* Open a readable stream to a remote file |
|
300
|
48 |
|
* |
|
301
|
48 |
|
* @param string $source |
|
302
|
48 |
|
* @return resource a read only stream with the contents of the remote file |
|
303
|
|
|
* |
|
304
|
|
|
* @throws \Icewind\SMB\Exception\NotFoundException |
|
305
|
|
|
* @throws \Icewind\SMB\Exception\InvalidTypeException |
|
306
|
|
|
*/ |
|
307
|
|
|
public function read($source) { |
|
308
|
|
|
$source = $this->escapePath($source); |
|
309
|
|
|
// since returned stream is closed by the caller we need to create a new instance |
|
310
|
|
|
// since we can't re-use the same file descriptor over multiple calls |
|
311
|
|
|
$connection = $this->getConnection(); |
|
312
|
|
|
|
|
313
|
|
|
$connection->write('get ' . $source . ' ' . $this->system->getFD(5)); |
|
314
|
75 |
|
$connection->write('exit'); |
|
315
|
75 |
|
$fh = $connection->getFileOutputStream(); |
|
316
|
|
|
stream_context_set_option($fh, 'file', 'connection', $connection); |
|
317
|
|
|
return $fh; |
|
318
|
48 |
|
} |
|
319
|
|
|
|
|
320
|
48 |
|
/** |
|
321
|
48 |
|
* Open a writable stream to a remote file |
|
322
|
48 |
|
* |
|
323
|
|
|
* @param string $target |
|
324
|
|
|
* @return resource a write only stream to upload a remote file |
|
325
|
|
|
* |
|
326
|
48 |
|
* @throws \Icewind\SMB\Exception\NotFoundException |
|
327
|
48 |
|
* @throws \Icewind\SMB\Exception\InvalidTypeException |
|
328
|
48 |
|
*/ |
|
329
|
|
|
public function write($target) { |
|
330
|
|
|
$target = $this->escapePath($target); |
|
331
|
|
|
// since returned stream is closed by the caller we need to create a new instance |
|
332
|
|
|
// since we can't re-use the same file descriptor over multiple calls |
|
333
|
|
|
$connection = $this->getConnection(); |
|
334
|
|
|
|
|
335
|
|
|
$fh = $connection->getFileInputStream(); |
|
336
|
24 |
|
$connection->write('put ' . $this->system->getFD(4) . ' ' . $target); |
|
337
|
24 |
|
$connection->write('exit'); |
|
338
|
24 |
|
|
|
339
|
24 |
|
// use a close callback to ensure the upload is finished before continuing |
|
340
|
24 |
|
// this also serves as a way to keep the connection in scope |
|
341
|
|
|
return CallbackWrapper::wrap($fh, null, null, function () use ($connection, $target) { |
|
342
|
|
|
$connection->close(false); // dont terminate, give the upload some time |
|
343
|
24 |
|
}); |
|
344
|
|
|
} |
|
345
|
|
|
|
|
346
|
24 |
|
/** |
|
|
|
|
|
|
347
|
24 |
|
* Append to stream |
|
348
|
24 |
|
* Note: smbclient does not support it so we use php-libsmbclient |
|
349
|
|
|
* |
|
350
|
24 |
|
* @param string $target |
|
351
|
|
|
* |
|
352
|
24 |
|
* @throws \Icewind\SMB\Exception\DependencyException |
|
353
|
24 |
|
* @throws \Icewind\SMB\Exception\NotFoundException |
|
354
|
24 |
|
* @throws \Icewind\SMB\Exception\InvalidTypeException |
|
355
|
|
|
*/ |
|
356
|
24 |
|
public function append($target) { |
|
357
|
|
|
if (!NativeServer::available($this->server->getSystem())) { |
|
358
|
|
|
throw new DependencyException('php-libsmbclient not installed'); |
|
359
|
|
|
} |
|
360
|
|
|
|
|
361
|
|
|
$share = new NativeShare($this->server, $this->getName()); |
|
362
|
|
|
return $share->append($target); |
|
363
|
|
|
} |
|
364
|
|
|
|
|
365
|
|
|
/** |
|
366
|
15 |
|
* @param string $path |
|
367
|
15 |
|
* @param int $mode a combination of FileInfo::MODE_READONLY, FileInfo::MODE_ARCHIVE, FileInfo::MODE_SYSTEM and FileInfo::MODE_HIDDEN, FileInfo::NORMAL |
|
368
|
|
|
* @return mixed |
|
369
|
|
|
*/ |
|
370
|
15 |
|
public function setMode($path, $mode) { |
|
371
|
15 |
|
$modeString = ''; |
|
372
|
15 |
|
foreach (self::MODE_MAP as $modeByte => $string) { |
|
373
|
15 |
|
if ($mode & $modeByte) { |
|
374
|
|
|
$modeString .= $string; |
|
375
|
|
|
} |
|
376
|
|
|
} |
|
377
|
|
|
$path = $this->escapePath($path); |
|
378
|
|
|
|
|
379
|
|
|
// first reset the mode to normal |
|
380
|
762 |
|
$cmd = 'setmode ' . $path . ' -rsha'; |
|
381
|
762 |
|
$output = $this->execute($cmd); |
|
382
|
762 |
|
$this->parseOutput($output, $path); |
|
383
|
762 |
|
|
|
384
|
|
|
if ($mode !== FileInfo::MODE_NORMAL) { |
|
385
|
|
|
// then set the modes we want |
|
386
|
|
|
$cmd = 'setmode ' . $path . ' ' . $modeString; |
|
387
|
|
|
$output = $this->execute($cmd); |
|
388
|
|
|
return $this->parseOutput($output, $path); |
|
389
|
|
|
} else { |
|
390
|
|
|
return true; |
|
391
|
|
|
} |
|
392
|
|
|
} |
|
393
|
|
|
|
|
394
|
|
|
/** |
|
395
|
|
|
* @param string $path |
|
396
|
|
|
* @return INotifyHandler |
|
397
|
|
|
* @throws ConnectionException |
|
398
|
|
|
* @throws DependencyException |
|
399
|
|
|
*/ |
|
400
|
762 |
|
public function notify($path) { |
|
401
|
762 |
|
if (!$this->system->getStdBufPath()) { //stdbuf is required to disable smbclient's output buffering |
|
402
|
762 |
|
throw new DependencyException('stdbuf is required for usage of the notify command'); |
|
403
|
|
|
} |
|
404
|
60 |
|
$connection = $this->getConnection(); // use a fresh connection since the notify command blocks the process |
|
405
|
|
|
$command = 'notify ' . $this->escapePath($path); |
|
406
|
|
|
$connection->write($command . PHP_EOL); |
|
407
|
|
|
return new NotifyHandler($connection, $path); |
|
408
|
|
|
} |
|
409
|
|
|
|
|
410
|
|
|
/** |
|
411
|
|
|
* @param string $command |
|
412
|
|
|
* @return array |
|
413
|
|
|
*/ |
|
414
|
|
|
protected function execute($command) { |
|
415
|
|
|
$this->connect(); |
|
416
|
|
|
$this->connection->write($command . PHP_EOL); |
|
417
|
|
|
return $this->connection->read(); |
|
418
|
|
|
} |
|
419
|
|
|
|
|
420
|
|
|
/** |
|
421
|
765 |
|
* check output for errors |
|
422
|
765 |
|
* |
|
423
|
765 |
|
* @param string[] $lines |
|
424
|
3 |
|
* @param string $path |
|
425
|
|
|
* |
|
426
|
765 |
|
* @throws NotFoundException |
|
427
|
765 |
|
* @throws \Icewind\SMB\Exception\AlreadyExistsException |
|
428
|
765 |
|
* @throws \Icewind\SMB\Exception\AccessDeniedException |
|
429
|
765 |
|
* @throws \Icewind\SMB\Exception\NotEmptyException |
|
430
|
|
|
* @throws \Icewind\SMB\Exception\InvalidTypeException |
|
431
|
|
|
* @throws \Icewind\SMB\Exception\Exception |
|
432
|
|
|
* @return bool |
|
433
|
|
|
*/ |
|
434
|
|
|
protected function parseOutput($lines, $path = '') { |
|
435
|
|
|
if (count($lines) === 0) { |
|
436
|
399 |
|
return true; |
|
437
|
399 |
|
} else { |
|
438
|
399 |
|
$this->parser->checkForError($lines, $path); |
|
439
|
|
|
return false; |
|
440
|
|
|
} |
|
441
|
768 |
|
} |
|
442
|
768 |
|
|
|
443
|
768 |
|
/** |
|
444
|
|
|
* @param string $string |
|
445
|
|
|
* @return string |
|
446
|
|
|
*/ |
|
447
|
|
|
protected function escape($string) { |
|
448
|
|
|
return escapeshellarg($string); |
|
449
|
|
|
} |
|
450
|
|
|
|
|
451
|
|
|
/** |
|
452
|
|
|
* @param string $path |
|
453
|
|
|
* @return string |
|
454
|
|
|
*/ |
|
455
|
|
|
protected function escapePath($path) { |
|
456
|
|
|
$this->verifyPath($path); |
|
457
|
|
|
if ($path === '/') { |
|
458
|
|
|
$path = ''; |
|
459
|
|
|
} |
|
460
|
|
|
$path = str_replace('/', '\\', $path); |
|
461
|
|
|
$path = str_replace('"', '^"', $path); |
|
462
|
|
|
$path = ltrim($path, '\\'); |
|
463
|
|
|
return '"' . $path . '"'; |
|
464
|
|
|
} |
|
465
|
|
|
|
|
466
|
|
|
/** |
|
467
|
|
|
* @param string $path |
|
468
|
|
|
* @return string |
|
469
|
|
|
*/ |
|
470
|
|
|
protected function escapeLocalPath($path) { |
|
471
|
|
|
$path = str_replace('"', '\"', $path); |
|
472
|
|
|
return '"' . $path . '"'; |
|
473
|
|
|
} |
|
474
|
|
|
|
|
475
|
|
|
public function __destruct() { |
|
476
|
|
|
unset($this->connection); |
|
477
|
|
|
} |
|
478
|
|
|
} |
|
479
|
|
|
|
In PHP, under loose comparison (like
==, or!=, orswitchconditions), values of different types might be equal.For
stringvalues, the empty string''is a special case, in particular the following results might be unexpected: