1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
/* For licensing terms, see /license.txt */ |
4
|
|
|
|
5
|
|
|
namespace moodleexport; |
6
|
|
|
|
7
|
|
|
use DocumentManager; |
8
|
|
|
use Exception; |
9
|
|
|
|
10
|
|
|
/** |
11
|
|
|
* Class FileExport. |
12
|
|
|
* Handles the export of files and metadata from Moodle courses. |
13
|
|
|
* |
14
|
|
|
* @package moodleexport |
15
|
|
|
*/ |
16
|
|
|
class FileExport |
17
|
|
|
{ |
18
|
|
|
private $course; |
19
|
|
|
|
20
|
|
|
/** |
21
|
|
|
* Constructor to initialize course data. |
22
|
|
|
* |
23
|
|
|
* @param object $course Course object containing resources and path data. |
24
|
|
|
*/ |
25
|
|
|
public function __construct($course) |
26
|
|
|
{ |
27
|
|
|
$this->course = $course; |
28
|
|
|
} |
29
|
|
|
|
30
|
|
|
/** |
31
|
|
|
* Export files and metadata from files.xml to the specified directory. |
32
|
|
|
*/ |
33
|
|
|
public function exportFiles(array $filesData, string $exportDir): void |
34
|
|
|
{ |
35
|
|
|
$filesDir = $exportDir.'/files'; |
36
|
|
|
|
37
|
|
|
if (!is_dir($filesDir)) { |
38
|
|
|
mkdir($filesDir, api_get_permissions_for_new_directories(), true); |
39
|
|
|
} |
40
|
|
|
|
41
|
|
|
// Create placeholder index.html |
42
|
|
|
$this->createPlaceholderFile($filesDir); |
43
|
|
|
|
44
|
|
|
// Export each file |
45
|
|
|
foreach ($filesData['files'] as $file) { |
46
|
|
|
$this->copyFileToExportDir($file, $filesDir); |
47
|
|
|
} |
48
|
|
|
|
49
|
|
|
// Create files.xml in the export directory |
50
|
|
|
$this->createFilesXml($filesData, $exportDir); |
51
|
|
|
} |
52
|
|
|
|
53
|
|
|
/** |
54
|
|
|
* Get file data from course resources. This is for testing purposes. |
55
|
|
|
*/ |
56
|
|
|
public function getFilesData(): array |
57
|
|
|
{ |
58
|
|
|
$adminData = MoodleExport::getAdminUserData(); |
59
|
|
|
$adminId = $adminData['id']; |
60
|
|
|
|
61
|
|
|
$filesData = ['files' => []]; |
62
|
|
|
|
63
|
|
|
foreach ($this->course->resources[RESOURCE_DOCUMENT] as $document) { |
64
|
|
|
$filesData = $this->processDocument($filesData, $document); |
65
|
|
|
} |
66
|
|
|
|
67
|
|
|
foreach ($this->course->resources[RESOURCE_WORK] as $work) { |
68
|
|
|
$workFiles = getAllDocumentToWork($work->params['id'], $this->course->info['real_id']); |
69
|
|
|
|
70
|
|
|
if (!empty($workFiles)) { |
71
|
|
|
foreach ($workFiles as $file) { |
72
|
|
|
$docData = DocumentManager::get_document_data_by_id($file['document_id'], $this->course->info['code']); |
73
|
|
|
if (!empty($docData)) { |
74
|
|
|
$filesData['files'][] = [ |
75
|
|
|
'id' => $file['document_id'], |
76
|
|
|
'contenthash' => hash('sha1', basename($docData['path'])), |
77
|
|
|
'contextid' => $this->course->info['real_id'], |
78
|
|
|
'component' => 'mod_assign', |
79
|
|
|
'filearea' => 'introattachment', |
80
|
|
|
'itemid' => (int) $work->params['id'], |
81
|
|
|
'filepath' => '/Documents/', |
82
|
|
|
'documentpath' => 'document/'.$docData['path'], |
83
|
|
|
'filename' => basename($docData['path']), |
84
|
|
|
'userid' => $adminId, |
85
|
|
|
'filesize' => $docData['size'], |
86
|
|
|
'mimetype' => $this->getMimeType($docData['path']), |
87
|
|
|
'status' => 0, |
88
|
|
|
'timecreated' => time() - 3600, |
89
|
|
|
'timemodified' => time(), |
90
|
|
|
'source' => $docData['title'], |
91
|
|
|
'author' => 'Unknown', |
92
|
|
|
'license' => 'allrightsreserved', |
93
|
|
|
]; |
94
|
|
|
} |
95
|
|
|
} |
96
|
|
|
} |
97
|
|
|
} |
98
|
|
|
|
99
|
|
|
return $filesData; |
100
|
|
|
} |
101
|
|
|
|
102
|
|
|
/** |
103
|
|
|
* Create a placeholder index.html file to prevent an empty directory. |
104
|
|
|
*/ |
105
|
|
|
private function createPlaceholderFile(string $filesDir): void |
106
|
|
|
{ |
107
|
|
|
$placeholderFile = $filesDir.'/index.html'; |
108
|
|
|
file_put_contents($placeholderFile, "<!-- Placeholder file to ensure the directory is not empty -->"); |
109
|
|
|
} |
110
|
|
|
|
111
|
|
|
/** |
112
|
|
|
* Copy a file to the export directory using its contenthash. |
113
|
|
|
*/ |
114
|
|
|
private function copyFileToExportDir(array $file, string $filesDir): void |
115
|
|
|
{ |
116
|
|
|
if ($file['filepath'] === '.') { |
117
|
|
|
return; |
118
|
|
|
} |
119
|
|
|
|
120
|
|
|
$contenthash = $file['contenthash']; |
121
|
|
|
$subDir = substr($contenthash, 0, 2); |
122
|
|
|
$filePath = $this->course->path.$file['documentpath']; |
123
|
|
|
$exportSubDir = $filesDir.'/'.$subDir; |
124
|
|
|
|
125
|
|
|
// Ensure the subdirectory exists |
126
|
|
|
if (!is_dir($exportSubDir)) { |
127
|
|
|
mkdir($exportSubDir, api_get_permissions_for_new_directories(), true); |
128
|
|
|
} |
129
|
|
|
|
130
|
|
|
// Copy the file to the export directory |
131
|
|
|
$destinationFile = $exportSubDir.'/'.$contenthash; |
132
|
|
|
if (file_exists($filePath)) { |
133
|
|
|
copy($filePath, $destinationFile); |
134
|
|
|
} else { |
135
|
|
|
throw new Exception("File {$filePath} not found."); |
136
|
|
|
} |
137
|
|
|
} |
138
|
|
|
|
139
|
|
|
/** |
140
|
|
|
* Create the files.xml with the provided file data. |
141
|
|
|
*/ |
142
|
|
|
private function createFilesXml(array $filesData, string $destinationDir): void |
143
|
|
|
{ |
144
|
|
|
$xmlContent = '<?xml version="1.0" encoding="UTF-8"?>'.PHP_EOL; |
145
|
|
|
$xmlContent .= '<files>'.PHP_EOL; |
146
|
|
|
|
147
|
|
|
foreach ($filesData['files'] as $file) { |
148
|
|
|
$xmlContent .= $this->createFileXmlEntry($file); |
149
|
|
|
} |
150
|
|
|
|
151
|
|
|
$xmlContent .= '</files>'.PHP_EOL; |
152
|
|
|
file_put_contents($destinationDir.'/files.xml', $xmlContent); |
153
|
|
|
} |
154
|
|
|
|
155
|
|
|
/** |
156
|
|
|
* Create an XML entry for a file. |
157
|
|
|
*/ |
158
|
|
|
private function createFileXmlEntry(array $file): string |
159
|
|
|
{ |
160
|
|
|
return ' <file id="'.$file['id'].'">'.PHP_EOL. |
161
|
|
|
' <contenthash>'.htmlspecialchars($file['contenthash']).'</contenthash>'.PHP_EOL. |
162
|
|
|
' <contextid>'.$file['contextid'].'</contextid>'.PHP_EOL. |
163
|
|
|
' <component>'.htmlspecialchars($file['component']).'</component>'.PHP_EOL. |
164
|
|
|
' <filearea>'.htmlspecialchars($file['filearea']).'</filearea>'.PHP_EOL. |
165
|
|
|
' <itemid>0</itemid>'.PHP_EOL. |
166
|
|
|
' <filepath>'.htmlspecialchars($file['filepath']).'</filepath>'.PHP_EOL. |
167
|
|
|
' <filename>'.htmlspecialchars($file['filename']).'</filename>'.PHP_EOL. |
168
|
|
|
' <userid>'.$file['userid'].'</userid>'.PHP_EOL. |
169
|
|
|
' <filesize>'.$file['filesize'].'</filesize>'.PHP_EOL. |
170
|
|
|
' <mimetype>'.htmlspecialchars($file['mimetype']).'</mimetype>'.PHP_EOL. |
171
|
|
|
' <status>'.$file['status'].'</status>'.PHP_EOL. |
172
|
|
|
' <timecreated>'.$file['timecreated'].'</timecreated>'.PHP_EOL. |
173
|
|
|
' <timemodified>'.$file['timemodified'].'</timemodified>'.PHP_EOL. |
174
|
|
|
' <source>'.htmlspecialchars($file['source']).'</source>'.PHP_EOL. |
175
|
|
|
' <author>'.htmlspecialchars($file['author']).'</author>'.PHP_EOL. |
176
|
|
|
' <license>'.htmlspecialchars($file['license']).'</license>'.PHP_EOL. |
177
|
|
|
' <sortorder>0</sortorder>'.PHP_EOL. |
178
|
|
|
' <repositorytype>$@NULL@$</repositorytype>'.PHP_EOL. |
179
|
|
|
' <repositoryid>$@NULL@$</repositoryid>'.PHP_EOL. |
180
|
|
|
' <reference>$@NULL@$</reference>'.PHP_EOL. |
181
|
|
|
' </file>'.PHP_EOL; |
182
|
|
|
} |
183
|
|
|
|
184
|
|
|
/** |
185
|
|
|
* Process a document or folder and add its data to the files array. |
186
|
|
|
*/ |
187
|
|
|
private function processDocument(array $filesData, object $document): array |
188
|
|
|
{ |
189
|
|
|
if ( |
190
|
|
|
$document->file_type === 'file' && |
191
|
|
|
pathinfo($document->path, PATHINFO_EXTENSION) === 'html' && |
192
|
|
|
substr_count($document->path, '/') === 1 |
193
|
|
|
) { |
194
|
|
|
return $filesData; |
195
|
|
|
} |
196
|
|
|
|
197
|
|
|
if ($document->file_type === 'file') { |
198
|
|
|
$extension = pathinfo($document->path, PATHINFO_EXTENSION); |
199
|
|
|
if (!in_array(strtolower($extension), ['html', 'htm'])) { |
200
|
|
|
$fileData = $this->getFileData($document); |
201
|
|
|
$fileData['filepath'] = '/Documents/'; |
202
|
|
|
$fileData['contextid'] = 0; |
203
|
|
|
$fileData['component'] = 'mod_folder'; |
204
|
|
|
$filesData['files'][] = $fileData; |
205
|
|
|
} |
206
|
|
|
} elseif ($document->file_type === 'folder') { |
207
|
|
|
$folderFiles = \DocumentManager::getAllDocumentsByParentId($this->course->info, $document->source_id); |
208
|
|
|
foreach ($folderFiles as $file) { |
209
|
|
|
$filesData['files'][] = $this->getFolderFileData($file, (int) $document->source_id, '/Documents/'.dirname($file['path']).'/'); |
210
|
|
|
} |
211
|
|
|
} |
212
|
|
|
|
213
|
|
|
return $filesData; |
214
|
|
|
} |
215
|
|
|
|
216
|
|
|
/** |
217
|
|
|
* Get file data for a single document. |
218
|
|
|
*/ |
219
|
|
|
private function getFileData(object $document): array |
220
|
|
|
{ |
221
|
|
|
$adminData = MoodleExport::getAdminUserData(); |
222
|
|
|
$adminId = $adminData['id']; |
223
|
|
|
$contenthash = hash('sha1', basename($document->path)); |
224
|
|
|
$mimetype = $this->getMimeType($document->path); |
225
|
|
|
|
226
|
|
|
return [ |
227
|
|
|
'id' => $document->source_id, |
228
|
|
|
'contenthash' => $contenthash, |
229
|
|
|
'contextid' => $document->source_id, |
230
|
|
|
'component' => 'mod_resource', |
231
|
|
|
'filearea' => 'content', |
232
|
|
|
'itemid' => (int) $document->source_id, |
233
|
|
|
'filepath' => '/', |
234
|
|
|
'documentpath' => $document->path, |
235
|
|
|
'filename' => basename($document->path), |
236
|
|
|
'userid' => $adminId, |
237
|
|
|
'filesize' => $document->size, |
238
|
|
|
'mimetype' => $mimetype, |
239
|
|
|
'status' => 0, |
240
|
|
|
'timecreated' => time() - 3600, |
241
|
|
|
'timemodified' => time(), |
242
|
|
|
'source' => $document->title, |
243
|
|
|
'author' => 'Unknown', |
244
|
|
|
'license' => 'allrightsreserved', |
245
|
|
|
]; |
246
|
|
|
} |
247
|
|
|
|
248
|
|
|
/** |
249
|
|
|
* Get file data for files inside a folder. |
250
|
|
|
*/ |
251
|
|
|
private function getFolderFileData(array $file, int $sourceId, string $parentPath = '/Documents/'): array |
252
|
|
|
{ |
253
|
|
|
$adminData = MoodleExport::getAdminUserData(); |
254
|
|
|
$adminId = $adminData['id']; |
255
|
|
|
$contenthash = hash('sha1', basename($file['path'])); |
256
|
|
|
$mimetype = $this->getMimeType($file['path']); |
257
|
|
|
$filename = basename($file['path']); |
258
|
|
|
$filepath = $this->ensureTrailingSlash($parentPath); |
259
|
|
|
|
260
|
|
|
return [ |
261
|
|
|
'id' => $file['id'], |
262
|
|
|
'contenthash' => $contenthash, |
263
|
|
|
'contextid' => $sourceId, |
264
|
|
|
'component' => 'mod_folder', |
265
|
|
|
'filearea' => 'content', |
266
|
|
|
'itemid' => (int) $file['id'], |
267
|
|
|
'filepath' => $filepath, |
268
|
|
|
'documentpath' => 'document/'.$file['path'], |
269
|
|
|
'filename' => $filename, |
270
|
|
|
'userid' => $adminId, |
271
|
|
|
'filesize' => $file['size'], |
272
|
|
|
'mimetype' => $mimetype, |
273
|
|
|
'status' => 0, |
274
|
|
|
'timecreated' => time() - 3600, |
275
|
|
|
'timemodified' => time(), |
276
|
|
|
'source' => $file['title'], |
277
|
|
|
'author' => 'Unknown', |
278
|
|
|
'license' => 'allrightsreserved', |
279
|
|
|
]; |
280
|
|
|
} |
281
|
|
|
|
282
|
|
|
/** |
283
|
|
|
* Ensure the directory path has a trailing slash. |
284
|
|
|
*/ |
285
|
|
|
private function ensureTrailingSlash(string $path): string |
286
|
|
|
{ |
287
|
|
|
if (empty($path) || $path === '.' || $path === '/') { |
288
|
|
|
return '/'; |
289
|
|
|
} |
290
|
|
|
|
291
|
|
|
$path = preg_replace('/\/+/', '/', $path); |
292
|
|
|
|
293
|
|
|
return rtrim($path, '/').'/'; |
294
|
|
|
} |
295
|
|
|
|
296
|
|
|
/** |
297
|
|
|
* Get MIME type based on the file extension. |
298
|
|
|
*/ |
299
|
|
|
private function getMimeType($filePath): string |
300
|
|
|
{ |
301
|
|
|
$extension = pathinfo($filePath, PATHINFO_EXTENSION); |
302
|
|
|
$mimeTypes = $this->getMimeTypes(); |
303
|
|
|
|
304
|
|
|
return $mimeTypes[$extension] ?? 'application/octet-stream'; |
305
|
|
|
} |
306
|
|
|
|
307
|
|
|
/** |
308
|
|
|
* Get an array of file extensions and their corresponding MIME types. |
309
|
|
|
*/ |
310
|
|
|
private function getMimeTypes(): array |
311
|
|
|
{ |
312
|
|
|
return [ |
313
|
|
|
'pdf' => 'application/pdf', |
314
|
|
|
'jpg' => 'image/jpeg', |
315
|
|
|
'jpeg' => 'image/jpeg', |
316
|
|
|
'png' => 'image/png', |
317
|
|
|
'gif' => 'image/gif', |
318
|
|
|
'html' => 'text/html', |
319
|
|
|
'txt' => 'text/plain', |
320
|
|
|
'doc' => 'application/msword', |
321
|
|
|
'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', |
322
|
|
|
'xls' => 'application/vnd.ms-excel', |
323
|
|
|
'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet', |
324
|
|
|
'ppt' => 'application/vnd.ms-powerpoint', |
325
|
|
|
'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation', |
326
|
|
|
'zip' => 'application/zip', |
327
|
|
|
'rar' => 'application/x-rar-compressed', |
328
|
|
|
]; |
329
|
|
|
} |
330
|
|
|
} |
331
|
|
|
|