1
|
|
|
<?php |
2
|
|
|
/** |
3
|
|
|
* |
4
|
|
|
* (c) Copyright Ascensio System SIA 2023 |
5
|
|
|
* |
6
|
|
|
* Licensed under the Apache License, Version 2.0 (the 'License'); |
7
|
|
|
* you may not use this file except in compliance with the License. |
8
|
|
|
* You may obtain a copy of the License at |
9
|
|
|
* |
10
|
|
|
* http://www.apache.org/licenses/LICENSE-2.0 |
11
|
|
|
* |
12
|
|
|
* Unless required by applicable law or agreed to in writing, software |
13
|
|
|
* distributed under the License is distributed on an 'AS IS' BASIS, |
14
|
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
15
|
|
|
* See the License for the specific language governing permissions and |
16
|
|
|
* limitations under the License. |
17
|
|
|
* |
18
|
|
|
*/ |
19
|
|
|
|
20
|
|
|
require_once __DIR__ . '/../../../main/inc/global.inc.php'; |
21
|
|
|
|
22
|
|
|
use \Firebase\JWT\JWT; |
23
|
|
|
|
24
|
|
|
class DocumentService { |
25
|
|
|
|
26
|
|
|
/** |
27
|
|
|
* Plugin object |
28
|
|
|
* |
29
|
|
|
* @var OnlyofficePlugin |
30
|
|
|
* |
31
|
|
|
*/ |
32
|
|
|
private $plugin; |
33
|
|
|
|
34
|
|
|
/** |
35
|
|
|
* New settings for check |
36
|
|
|
* |
37
|
|
|
* @var array |
38
|
|
|
* |
39
|
|
|
*/ |
40
|
|
|
private $newSettings; |
41
|
|
|
|
42
|
|
|
/** |
43
|
|
|
* DocumentService constructor |
44
|
|
|
* |
45
|
|
|
* @param OnlyofficePlugin $plugin - OnlyofficePlugin |
46
|
|
|
* |
47
|
|
|
*/ |
48
|
|
|
public function __construct($plugin, $newSettings = null) { |
49
|
|
|
$this->plugin = $plugin; |
50
|
|
|
$this->newSettings = $newSettings; |
51
|
|
|
} |
52
|
|
|
|
53
|
|
|
|
54
|
|
|
/** |
55
|
|
|
* Request to Document Server with turn off verification |
56
|
|
|
* |
57
|
|
|
* @param string $url - request address |
58
|
|
|
* @param array $method - request method |
59
|
|
|
* @param array $opts - request options |
60
|
|
|
* |
61
|
|
|
* @return string |
62
|
|
|
*/ |
63
|
|
|
public function request($url, $method = 'GET', $opts = []) { |
64
|
|
|
if (substr($url, 0, strlen('https')) === 'https') { |
65
|
|
|
$opts['verify'] = false; |
66
|
|
|
} |
67
|
|
|
if (!array_key_exists('timeout', $opts)) { |
68
|
|
|
$opts['timeout'] = 60; |
69
|
|
|
} |
70
|
|
|
|
71
|
|
|
$curl_info = [ |
72
|
|
|
CURLOPT_URL => $url, |
73
|
|
|
CURLOPT_RETURNTRANSFER => true, |
74
|
|
|
CURLOPT_ENCODING => '', |
75
|
|
|
CURLOPT_MAXREDIRS => 10, |
76
|
|
|
CURLOPT_TIMEOUT => $opts['timeout'], |
77
|
|
|
CURLOPT_FOLLOWLOCATION => true, |
78
|
|
|
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1, |
79
|
|
|
CURLOPT_CUSTOMREQUEST => $method, |
80
|
|
|
CURLOPT_POSTFIELDS => $opts['body'], |
81
|
|
|
CURLOPT_HTTPHEADER => $opts['headers'], |
82
|
|
|
]; |
83
|
|
|
|
84
|
|
|
if ($opts == []) { |
85
|
|
|
unset($curl_info[CURLOPT_POSTFIELDS]); |
86
|
|
|
} |
87
|
|
|
|
88
|
|
|
$curl = curl_init(); |
89
|
|
|
curl_setopt_array($curl, $curl_info); |
90
|
|
|
$response = curl_exec($curl); |
91
|
|
|
curl_close($curl); |
92
|
|
|
|
93
|
|
|
return $response; |
|
|
|
|
94
|
|
|
} |
95
|
|
|
|
96
|
|
|
/** |
97
|
|
|
* Generate an error code table of convertion |
98
|
|
|
* |
99
|
|
|
* @param int $errorCode - Error code |
100
|
|
|
* |
101
|
|
|
* @throws Exception |
102
|
|
|
*/ |
103
|
|
|
private function processConvServResponceError($errorCode) { |
104
|
|
|
$errorMessageTemplate = $this->plugin->get_lang('docServiceError'); |
105
|
|
|
$errorMessage = ''; |
106
|
|
|
|
107
|
|
|
switch ($errorCode) { |
108
|
|
|
case -20: |
109
|
|
|
$errorMessage = $errorMessageTemplate . ': Error encrypt signature'; |
110
|
|
|
break; |
111
|
|
|
case -8: |
112
|
|
|
$errorMessage = $errorMessageTemplate . ': Invalid token'; |
113
|
|
|
break; |
114
|
|
|
case -7: |
115
|
|
|
$errorMessage = $errorMessageTemplate . ': Error document request'; |
116
|
|
|
break; |
117
|
|
|
case -6: |
118
|
|
|
$errorMessage = $errorMessageTemplate . ': Error while accessing the conversion result database'; |
119
|
|
|
break; |
120
|
|
|
case -5: |
121
|
|
|
$errorMessage = $errorMessageTemplate . ': Incorrect password'; |
122
|
|
|
break; |
123
|
|
|
case -4: |
124
|
|
|
$errorMessage = $errorMessageTemplate . ': Error while downloading the document file to be converted.'; |
125
|
|
|
break; |
126
|
|
|
case -3: |
127
|
|
|
$errorMessage = $errorMessageTemplate . ': Conversion error'; |
128
|
|
|
break; |
129
|
|
|
case -2: |
130
|
|
|
$errorMessage = $errorMessageTemplate . ': Timeout conversion error'; |
131
|
|
|
break; |
132
|
|
|
case -1: |
133
|
|
|
$errorMessage = $errorMessageTemplate . ': Unknown error'; |
134
|
|
|
break; |
135
|
|
|
case 0: |
136
|
|
|
break; |
137
|
|
|
default: |
138
|
|
|
$errorMessage = $errorMessageTemplate . ': ErrorCode = ' . $errorCode; |
139
|
|
|
break; |
140
|
|
|
} |
141
|
|
|
|
142
|
|
|
throw new \Exception($errorMessage); |
143
|
|
|
} |
144
|
|
|
|
145
|
|
|
/** |
146
|
|
|
* Generate an error code table of command |
147
|
|
|
* |
148
|
|
|
* @param string $errorCode - Error code |
149
|
|
|
* |
150
|
|
|
* @throws Exception |
151
|
|
|
*/ |
152
|
|
|
private function processCommandServResponceError($errorCode) { |
153
|
|
|
$errorMessageTemplate = $this->plugin->get_lang('docServiceError'); |
154
|
|
|
$errorMessage = ''; |
155
|
|
|
|
156
|
|
|
switch ($errorCode) { |
157
|
|
|
case 6: |
158
|
|
|
$errorMessage = $errorMessageTemplate . ': Invalid token'; |
159
|
|
|
break; |
160
|
|
|
case 5: |
161
|
|
|
$errorMessage = $errorMessageTemplate . ': Command not correсt'; |
162
|
|
|
break; |
163
|
|
|
case 3: |
164
|
|
|
$errorMessage = $errorMessageTemplate . ': Internal server error'; |
165
|
|
|
break; |
166
|
|
|
case 0: |
167
|
|
|
return; |
168
|
|
|
default: |
169
|
|
|
$errorMessage = $errorMessageTemplate . ': ErrorCode = ' . $errorCode; |
170
|
|
|
break; |
171
|
|
|
} |
172
|
|
|
|
173
|
|
|
throw new \Exception($errorMessage); |
174
|
|
|
} |
175
|
|
|
|
176
|
|
|
/** |
177
|
|
|
* Create temporary file for convert service testing |
178
|
|
|
* |
179
|
|
|
* @return array |
180
|
|
|
*/ |
181
|
|
|
private function createTempFile() { |
182
|
|
|
$fileUrl = null; |
183
|
|
|
$fileName = 'convert.docx'; |
184
|
|
|
$fileExt = strtolower(pathinfo($fileName, PATHINFO_EXTENSION)); |
185
|
|
|
$baseName = strtolower(pathinfo($fileName, PATHINFO_FILENAME)); |
186
|
|
|
$templatePath = TemplateManager::getEmptyTemplate($fileExt); |
187
|
|
|
$folderPath = api_get_path(SYS_PLUGIN_PATH).$this->plugin->getPluginName(); |
188
|
|
|
$filePath = $folderPath . '/' . $fileName; |
189
|
|
|
|
190
|
|
|
if ($fp = @fopen($filePath, 'w')) { |
191
|
|
|
$content = file_get_contents($templatePath); |
192
|
|
|
fputs($fp, $content); |
193
|
|
|
fclose($fp); |
194
|
|
|
chmod($filePath, api_get_permissions_for_new_files()); |
195
|
|
|
$fileUrl = api_get_path(WEB_PLUGIN_PATH).$this->plugin->getPluginName().'/'.$fileName; |
196
|
|
|
} |
197
|
|
|
|
198
|
|
|
return [ |
199
|
|
|
'fileUrl' => $fileUrl, |
200
|
|
|
'filePath' => $filePath |
201
|
|
|
]; |
202
|
|
|
} |
203
|
|
|
|
204
|
|
|
|
205
|
|
|
/** |
206
|
|
|
* Request for conversion to a service |
207
|
|
|
* |
208
|
|
|
* @param string $document_uri - Uri for the document to convert |
209
|
|
|
* @param string $from_extension - Document extension |
210
|
|
|
* @param string $to_extension - Extension to which to convert |
211
|
|
|
* @param string $document_revision_id - Key for caching on service |
212
|
|
|
* @param bool - $is_async - Perform conversions asynchronously |
|
|
|
|
213
|
|
|
* @param string $region - Region |
214
|
|
|
* |
215
|
|
|
* @throws Exception |
216
|
|
|
* |
217
|
|
|
* @return array |
218
|
|
|
*/ |
219
|
|
|
public function sendRequestToConvertService($document_uri, $from_extension, $to_extension, $document_revision_id, $is_async, $region = null) { |
220
|
|
|
if (!empty($this->getValue('document_server_internal'))) { |
221
|
|
|
$documentServerUrl = $this->getValue('document_server_internal'); |
222
|
|
|
} else { |
223
|
|
|
$documentServerUrl = $this->getValue('document_server_url'); |
224
|
|
|
} |
225
|
|
|
|
226
|
|
|
if (empty($documentServerUrl)) { |
227
|
|
|
throw new \Exception($this->plugin->get_lang('pluginIsNotConfigured')); |
228
|
|
|
} |
229
|
|
|
|
230
|
|
|
$urlToConverter = $documentServerUrl . 'ConvertService.ashx'; |
231
|
|
|
|
232
|
|
|
if (empty($document_revision_id)) { |
233
|
|
|
$document_revision_id = $document_uri; |
234
|
|
|
} |
235
|
|
|
|
236
|
|
|
$document_revision_id = FileUtility::GenerateRevisionId($document_revision_id); |
237
|
|
|
|
238
|
|
|
if (empty($from_extension)) { |
239
|
|
|
$from_extension = pathinfo($document_uri)['extension']; |
240
|
|
|
} else { |
241
|
|
|
$from_extension = trim($from_extension, '.'); |
242
|
|
|
} |
243
|
|
|
|
244
|
|
|
$data = [ |
245
|
|
|
'async' => $is_async, |
246
|
|
|
'url' => $document_uri, |
247
|
|
|
'outputtype' => trim($to_extension, '.'), |
248
|
|
|
'filetype' => $from_extension, |
249
|
|
|
'title' => $document_revision_id . '.' . $from_extension, |
250
|
|
|
'key' => $document_revision_id |
251
|
|
|
]; |
252
|
|
|
|
253
|
|
|
if (!is_null($region)) { |
254
|
|
|
$data['region'] = $region; |
255
|
|
|
} |
256
|
|
|
|
257
|
|
|
$opts = [ |
258
|
|
|
'timeout' => '120', |
259
|
|
|
'headers' => [ |
260
|
|
|
'Content-type' => 'application/json' |
261
|
|
|
], |
262
|
|
|
'body' => json_encode($data) |
263
|
|
|
]; |
264
|
|
|
|
265
|
|
|
if (!empty($this->getValue('jwt_secret'))) { |
266
|
|
|
$params = [ |
267
|
|
|
'payload' => $data |
268
|
|
|
]; |
269
|
|
|
$token = JWT::encode($params, $this->getValue('jwt_secret'), 'HS256'); |
270
|
|
|
$opts['headers'][$this->getValue('jwt_header')] = 'Bearer ' . $token; |
271
|
|
|
$token = JWT::encode($data, $this->getValue('jwt_secret'), 'HS256'); |
272
|
|
|
$data['token'] = $token; |
273
|
|
|
$opts['body'] = json_encode($data); |
274
|
|
|
} |
275
|
|
|
|
276
|
|
|
$response_xml_data = $this->request($urlToConverter, 'POST', $opts); |
277
|
|
|
libxml_use_internal_errors(true); |
278
|
|
|
|
279
|
|
|
if (!function_exists('simplexml_load_file')) { |
280
|
|
|
throw new \Exception($this->plugin->get_lang('cantReadXml')); |
281
|
|
|
} |
282
|
|
|
|
283
|
|
|
$response_data = simplexml_load_string($response_xml_data); |
284
|
|
|
|
285
|
|
|
if (!$response_data) { |
|
|
|
|
286
|
|
|
$exc = $this->plugin->get_lang('badResponseErrors'); |
287
|
|
|
foreach(libxml_get_errors() as $error) { |
288
|
|
|
$exc = $exc . '\t' . $error->message; |
289
|
|
|
} |
290
|
|
|
throw new \Exception ($exc); |
291
|
|
|
} |
292
|
|
|
|
293
|
|
|
return $response_data; |
294
|
|
|
} |
295
|
|
|
|
296
|
|
|
/** |
297
|
|
|
* Request health status |
298
|
|
|
* |
299
|
|
|
* @throws Exception |
300
|
|
|
* |
301
|
|
|
* @return bool |
302
|
|
|
*/ |
303
|
|
|
public function healthcheckRequest() { |
304
|
|
|
if (!empty($this->getValue('document_server_internal'))) { |
305
|
|
|
$documentServerUrl = $this->getValue('document_server_internal'); |
306
|
|
|
} else { |
307
|
|
|
$documentServerUrl = $this->getValue('document_server_url'); |
308
|
|
|
} |
309
|
|
|
|
310
|
|
|
if (empty($documentServerUrl)) { |
311
|
|
|
throw new \Exception($this->plugin->get_lang('appIsNotConfigured')); |
312
|
|
|
} |
313
|
|
|
|
314
|
|
|
$urlHealthcheck = $documentServerUrl . 'healthcheck'; |
315
|
|
|
$response = $this->request($urlHealthcheck); |
316
|
|
|
return $response === 'true'; |
317
|
|
|
} |
318
|
|
|
|
319
|
|
|
/** |
320
|
|
|
* The method is to convert the file to the required format and return the result url |
321
|
|
|
* |
322
|
|
|
* @param string $document_uri - Uri for the document to convert |
323
|
|
|
* @param string $from_extension - Document extension |
324
|
|
|
* @param string $to_extension - Extension to which to convert |
325
|
|
|
* @param string $document_revision_id - Key for caching on service |
326
|
|
|
* @param string $region - Region |
327
|
|
|
* |
328
|
|
|
* @return string |
329
|
|
|
*/ |
330
|
|
|
public function getConvertedUri($document_uri, $from_extension, $to_extension, $document_revision_id, $region = null) { |
331
|
|
|
$responceFromConvertService = $this->sendRequestToConvertService($document_uri, $from_extension, $to_extension, $document_revision_id, false, $region); |
332
|
|
|
$errorElement = $responceFromConvertService->Error; |
333
|
|
|
if ($errorElement->count() > 0) { |
334
|
|
|
$this->processConvServResponceError($errorElement . ''); |
335
|
|
|
} |
336
|
|
|
|
337
|
|
|
$isEndConvert = $responceFromConvertService->EndConvert; |
338
|
|
|
|
339
|
|
|
if ($isEndConvert !== null && strtolower($isEndConvert) === 'true') { |
340
|
|
|
return $responceFromConvertService->FileUrl; |
341
|
|
|
} |
342
|
|
|
|
343
|
|
|
return ''; |
344
|
|
|
} |
345
|
|
|
|
346
|
|
|
/** |
347
|
|
|
* Send command |
348
|
|
|
* |
349
|
|
|
* @param string $method - type of command |
350
|
|
|
* |
351
|
|
|
* @return array |
352
|
|
|
*/ |
353
|
|
|
public function commandRequest($method) { |
354
|
|
|
//$documentServerUrl = $this->plugin->getDocumentServerInternalUrl(); |
355
|
|
|
if (!empty($this->getValue('document_server_internal'))) { |
356
|
|
|
$documentServerUrl = $this->getValue('document_server_internal'); |
357
|
|
|
} else { |
358
|
|
|
$documentServerUrl = $this->getValue('document_server_url'); |
359
|
|
|
} |
360
|
|
|
|
361
|
|
|
|
362
|
|
|
if (empty($documentServerUrl)) { |
363
|
|
|
throw new \Exception($this->plugin->get_lang('cantReadXml')); |
364
|
|
|
} |
365
|
|
|
|
366
|
|
|
$urlCommand = $documentServerUrl . 'coauthoring/CommandService.ashx'; |
367
|
|
|
$data = [ |
368
|
|
|
'c' => $method |
369
|
|
|
]; |
370
|
|
|
$opts = [ |
371
|
|
|
'headers' => [ |
372
|
|
|
'Content-type' => 'application/json' |
373
|
|
|
], |
374
|
|
|
'body' => json_encode($data) |
375
|
|
|
]; |
376
|
|
|
|
377
|
|
|
if (!empty($this->getValue('jwt_secret'))) { |
378
|
|
|
$params = [ |
379
|
|
|
'payload' => $data |
380
|
|
|
]; |
381
|
|
|
$token = JWT::encode($params, $this->getValue('jwt_secret'), 'HS256'); |
382
|
|
|
$opts['headers'][$this->getValue('jwt_header')] = 'Bearer ' . $token; |
383
|
|
|
|
384
|
|
|
$token = JWT::encode($data, $this->getValue('jwt_secret'), 'HS256'); |
385
|
|
|
$data['token'] = $token; |
386
|
|
|
$opts['body'] = json_encode($data); |
387
|
|
|
} |
388
|
|
|
|
389
|
|
|
$response = $this->request($urlCommand, 'POST', $opts); |
390
|
|
|
$data = json_decode($response); |
391
|
|
|
$this->processCommandServResponceError($data->error); |
392
|
|
|
|
393
|
|
|
return $data; |
394
|
|
|
} |
395
|
|
|
|
396
|
|
|
/** |
397
|
|
|
* Checking document service location |
398
|
|
|
* |
399
|
|
|
* @return array |
400
|
|
|
*/ |
401
|
|
|
public function checkDocServiceUrl() { |
402
|
|
|
$version = null; |
403
|
|
|
try { |
404
|
|
|
if (preg_match('/^https:\/\//i', api_get_path(WEB_PATH)) |
405
|
|
|
&& preg_match('/^http:\/\//i', $this->getValue('document_server_url'))) { |
406
|
|
|
throw new \Exception($this->plugin->get_lang('mixedContent')); |
407
|
|
|
} |
408
|
|
|
} catch (\Exception $e) { |
409
|
|
|
return [$e->getMessage(), $version]; |
410
|
|
|
} |
411
|
|
|
|
412
|
|
|
try { |
413
|
|
|
$healthcheckResponse = $this->healthcheckRequest(); |
414
|
|
|
|
415
|
|
|
if (!$healthcheckResponse) { |
416
|
|
|
throw new \Exception($this->plugin->get_lang('badHealthcheckStatus')); |
417
|
|
|
} |
418
|
|
|
} catch (\Exception $e) { |
419
|
|
|
return [$e->getMessage(), $version]; |
420
|
|
|
} |
421
|
|
|
|
422
|
|
|
try { |
423
|
|
|
$commandResponse = $this->commandRequest('version'); |
424
|
|
|
|
425
|
|
|
if (empty($commandResponse)) { |
426
|
|
|
throw new \Exception($this->plugin->get_lang('errorOccuredDocService')); |
427
|
|
|
} |
428
|
|
|
|
429
|
|
|
$version = $commandResponse->version; |
430
|
|
|
$versionF = floatval($version); |
431
|
|
|
|
432
|
|
|
if ($versionF > 0.0 && $versionF <= 6.0) { |
433
|
|
|
throw new \Exception($this->plugin->get_lang('notSupportedVersion')); |
434
|
|
|
} |
435
|
|
|
} catch (\Exception $e) { |
436
|
|
|
return [$e->getMessage(), $version]; |
437
|
|
|
} |
438
|
|
|
|
439
|
|
|
$convertedFileUri = null; |
440
|
|
|
|
441
|
|
|
try { |
442
|
|
|
$emptyFile = $this->createTempFile(); |
443
|
|
|
|
444
|
|
|
if ($emptyFile['fileUrl'] !== null) { |
445
|
|
|
if (!empty($this->getValue('storage_url'))) { |
446
|
|
|
$emptyFile['fileUrl'] = str_replace(api_get_path(WEB_PATH), $this->getValue('storage_url'), $emptyFile['fileUrl']); |
447
|
|
|
} |
448
|
|
|
$convertedFileUri = $this->getConvertedUri($emptyFile['fileUrl'], 'docx', 'docx', 'check_' . rand()); |
449
|
|
|
} |
450
|
|
|
|
451
|
|
|
unlink($emptyFile['filePath']); |
452
|
|
|
} catch (\Exception $e) { |
453
|
|
|
if (isset($emptyFile['filePath'])) { |
454
|
|
|
unlink($emptyFile['filePath']); |
455
|
|
|
} |
456
|
|
|
return [$e->getMessage(), $version]; |
457
|
|
|
} |
458
|
|
|
|
459
|
|
|
try { |
460
|
|
|
$this->request($convertedFileUri); |
461
|
|
|
} catch (\Exception $e) { |
462
|
|
|
return [$e->getMessage(), $version]; |
463
|
|
|
} |
464
|
|
|
|
465
|
|
|
return ['', $version]; |
466
|
|
|
} |
467
|
|
|
|
468
|
|
|
/** |
469
|
|
|
* Get setting value (from data base or submited form) |
470
|
|
|
* |
471
|
|
|
* @return string |
472
|
|
|
*/ |
473
|
|
|
private function getValue($value) { |
474
|
|
|
$result = null; |
475
|
|
|
|
476
|
|
|
if (!isset($this->newSettings)) { |
477
|
|
|
switch ($value) { |
478
|
|
|
case 'document_server_url': |
479
|
|
|
$result = $this->plugin->getDocumentServerUrl(); |
480
|
|
|
break; |
481
|
|
|
case 'jwt_secret': |
482
|
|
|
$result = $this->plugin->getDocumentServerSecret(); |
483
|
|
|
break; |
484
|
|
|
case 'jwt_header': |
485
|
|
|
$result = $this->plugin->getJwtHeader(); |
486
|
|
|
break; |
487
|
|
|
case 'document_server_internal': |
488
|
|
|
$result = $this->plugin->getDocumentServerInternalUrl(); |
489
|
|
|
break; |
490
|
|
|
case 'storage_url': |
491
|
|
|
$result = $this->plugin->getStorageUrl(); |
492
|
|
|
break; |
493
|
|
|
default: |
494
|
|
|
} |
495
|
|
|
} else { |
496
|
|
|
$result = isset($this->newSettings[$value]) ? (string)$this->newSettings[$value] : null; |
497
|
|
|
if ($value !== 'jwt_secret' && $value !== 'jwt_header') { |
498
|
|
|
if ($result !== null && $result !== "/") { |
499
|
|
|
$result = rtrim($result, "/"); |
500
|
|
|
if (strlen($result) > 0) { |
501
|
|
|
$result = $result . "/"; |
502
|
|
|
} |
503
|
|
|
} |
504
|
|
|
} else if ($value === 'jwt_header' && empty($this->newSettings[$value])) { |
505
|
|
|
$result = 'Authorization'; |
506
|
|
|
} |
507
|
|
|
} |
508
|
|
|
return $result; |
509
|
|
|
} |
510
|
|
|
|
511
|
|
|
} |