MDL-32639 files: Zipping a folder does not overwrite existing files
[moodle.git] / repository / draftfiles_manager.php
CommitLineData
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1<?php
2
3// This file is part of Moodle - http://moodle.org/
4//
5// Moodle is free software: you can redistribute it and/or modify
6// it under the terms of the GNU General Public License as published by
7// the Free Software Foundation, either version 3 of the License, or
8// (at your option) any later version.
9//
10// Moodle is distributed in the hope that it will be useful,
11// but WITHOUT ANY WARRANTY; without even the implied warranty of
12// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13// GNU General Public License for more details.
14//
15// You should have received a copy of the GNU General Public License
16// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
17//
18
19
20//
21// NOTE TO ALL DEVELOPERS: this script must deal only with draft area of current user, it has to use only file_storage and no file_browser!!
22//
23
24
25/**
26 * This file is used to manage draft files in non-javascript browsers
27 *
28 * @since 2.0
5d354ded 29 * @package core
563d0417 30 * @subpackage repository
5d354ded
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31 * @copyright 2010 Dongsheng Cai <dongsheng@moodle.com>
32 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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33 */
34
35require_once('../config.php');
36require_once($CFG->libdir.'/filelib.php');
37require_once('lib.php');
38
71267723 39require_sesskey();
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40require_login();
41
42// disable blocks in this page
43$PAGE->set_pagelayout('embedded');
44
45// general parameters
46$action = optional_param('action', '', PARAM_ALPHA);
47$itemid = optional_param('itemid', '', PARAM_INT);
48
49// parameters for repository
50$contextid = optional_param('ctx_id', SYSCONTEXTID, PARAM_INT); // context ID
51$courseid = optional_param('course', SITEID, PARAM_INT); // course ID
52$env = optional_param('env', 'filepicker', PARAM_ALPHA); // opened in file picker, file manager or html editor
53$filename = optional_param('filename', '', PARAM_FILE);
54$targetpath = optional_param('targetpath', '', PARAM_PATH);
55$maxfiles = optional_param('maxfiles', -1, PARAM_INT); // maxfiles
56$maxbytes = optional_param('maxbytes', 0, PARAM_INT); // maxbytes
57$subdirs = optional_param('subdirs', 0, PARAM_INT); // maxbytes
58
59// draft area
60$newdirname = optional_param('newdirname', '', PARAM_FILE);
61$newfilename = optional_param('newfilename', '', PARAM_FILE);
62// path in draft area
63$draftpath = optional_param('draftpath', '/', PARAM_PATH);
64
65// user context
66$user_context = get_context_instance(CONTEXT_USER, $USER->id);
67
68
69$PAGE->set_context($user_context);
70
71$fs = get_file_storage();
72
71267723 73$params = array('ctx_id' => $contextid, 'itemid' => $itemid, 'env' => $env, 'course'=>$courseid, 'maxbytes'=>$maxbytes, 'maxfiles'=>$maxfiles, 'subdirs'=>$subdirs, 'sesskey'=>sesskey());
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74$PAGE->set_url('/repository/draftfiles_manager.php', $params);
75$filepicker_url = new moodle_url($CFG->httpswwwroot."/repository/filepicker.php", $params);
76
77$params['action'] = 'browse';
78$home_url = new moodle_url('/repository/draftfiles_manager.php', $params);
79
80switch ($action) {
81
82 // delete draft files
83case 'deletedraft':
84 if ($file = $fs->get_file($user_context->id, 'user', 'draft', $itemid, $draftpath, $filename)) {
85 if ($file->is_directory()) {
86 $pathname = $draftpath;
87 if ($file->get_parent_directory()) {
88 $draftpath = $file->get_parent_directory()->get_filepath();
89 } else {
90 $draftpath = '/';
91 }
92
93 // delete files in folder
94 $files = $fs->get_directory_files($user_context->id, 'user', 'draft', $itemid, $pathname, true);
95 foreach ($files as $storedfile) {
96 $storedfile->delete();
97 }
98 $file->delete();
99 } else {
100 $file->delete();
101 }
102 $home_url->param('draftpath', $draftpath);
103 $home_url->param('action', 'browse');
104 redirect($home_url);
105 }
106 break;
107
108case 'renameform':
109 echo $OUTPUT->header();
110 echo '<div><a href="' . $home_url->out() . '">'.get_string('back', 'repository')."</a></div>";
111 $home_url->param('draftpath', $draftpath);
112 $home_url->param('action', 'rename');
113 echo ' <form method="post" action="'.$home_url->out().'">';
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114 echo ' <input name="newfilename" type="text" value="'.s($filename).'" />';
115 echo ' <input name="filename" type="hidden" value="'.s($filename).'" />';
116 echo ' <input name="draftpath" type="hidden" value="'.s($draftpath).'" />';
117 echo ' <input type="submit" value="'.s(get_string('rename', 'moodle')).'" />';
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118 echo ' </form>';
119 echo $OUTPUT->footer();
120 break;
121
122case 'rename':
123
124 if ($fs->file_exists($user_context->id, 'user', 'draft', $itemid, $draftpath, $newfilename)) {
125 print_error('fileexists');
126 } else if ($file = $fs->get_file($user_context->id, 'user', 'draft', $itemid, $draftpath, $filename)) {
127 $newfile = $fs->create_file_from_storedfile(array('filename'=>$newfilename), $file);
128 $file->delete();
129 }
130
131 $home_url->param('action', 'browse');
132 $home_url->param('draftpath', $draftpath);
133 redirect($home_url);
134 break;
135
136case 'downloaddir':
137 $zipper = new zip_packer();
138
139 $file = $fs->get_file($user_context->id, 'user', 'draft', $itemid, $draftpath, '.');
aa4d9734 140 if ($draftpath === '/') {
563d0417 141 $filename = get_string('files').'.zip';
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142 } else {
143 $filename = explode('/', trim($draftpath, '/'));
144 $filename = array_pop($filename) . '.zip';
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145 }
146
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147 $newdraftitemid = file_get_unused_draft_itemid();
148 if ($newfile = $zipper->archive_to_storage(array('/' => $file), $user_context->id, 'user', 'draft', $newdraftitemid, '/', $filename, $USER->id)) {
149 $fileurl = moodle_url::make_draftfile_url($newdraftitemid, '/', $filename)->out();
150 header('Location: ' . $fileurl);
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151 } else {
152 print_error('cannotdownloaddir', 'repository');
153 }
154 break;
155
156case 'zip':
157 $zipper = new zip_packer();
158
159 $file = $fs->get_file($user_context->id, 'user', 'draft', $itemid, $draftpath, '.');
160 if (!$file->get_parent_directory()) {
161 $parent_path = '/';
4dcae0d8 162 $filepath = '/';
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163 $filename = get_string('files').'.zip';
164 } else {
165 $parent_path = $file->get_parent_directory()->get_filepath();
166 $filepath = explode('/', trim($file->get_filepath(), '/'));
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167 $filepath = array_pop($filepath);
168 $filename = $filepath.'.zip';
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169 }
170
03f8841d 171 $filename = repository::get_unused_filename($itemid, $parent_path, $filename);
4dcae0d8 172 $newfile = $zipper->archive_to_storage(array($filepath => $file), $user_context->id, 'user', 'draft', $itemid, $parent_path, $filename, $USER->id);
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173
174 $home_url->param('action', 'browse');
175 $home_url->param('draftpath', $parent_path);
176 redirect($home_url, get_string('ziped', 'repository'));
177 break;
178
179case 'unzip':
180 $zipper = new zip_packer();
181 $file = $fs->get_file($user_context->id, 'user', 'draft', $itemid, $draftpath, $filename);
182
183 if ($newfile = $file->extract_to_storage($zipper, $user_context->id, 'user', 'draft', $itemid, $draftpath, $USER->id)) {
184 $str = get_string('unzipped', 'repository');
185 } else {
186 $str = get_string('cannotunzip', 'error');
187 }
188 $home_url->param('action', 'browse');
189 $home_url->param('draftpath', $draftpath);
190 redirect($home_url, $str);
191 break;
192
193case 'movefile':
194 if (!empty($targetpath)) {
195 if ($fs->file_exists($user_context->id, 'user', 'draft', $itemid, $targetpath, $filename)) {
196 print_error('cannotmovefile');
197 } else if ($file = $fs->get_file($user_context->id, 'user', 'draft', $itemid, $draftpath, $filename)) {
198 $newfile = $fs->create_file_from_storedfile(array('filepath'=>$targetpath), $file);
199 $file->delete();
200 } else {
201 var_dump('cannot find file');
202 die;
203 }
204 $home_url->param('action', 'browse');
205 $home_url->param('draftpath', $targetpath);
206 redirect($home_url);
207 }
208 echo $OUTPUT->header();
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209
210 echo $OUTPUT->container_start();
211 echo html_writer::link($home_url, get_string('back', 'repository'));
212 echo $OUTPUT->container_end();
213
6bdfef5d 214 $data = new stdClass();
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215 $home_url->param('action', 'movefile');
216 $home_url->param('draftpath', $draftpath);
217 $home_url->param('filename', $filename);
218 file_get_drafarea_folders($itemid, '/', $data);
219 print_draft_area_tree($data, true, $home_url);
220 echo $OUTPUT->footer();
221 break;
222
223case 'mkdirform':
224 echo $OUTPUT->header();
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225
226 echo $OUTPUT->container_start();
227 echo html_writer::link($home_url, get_string('back', 'repository'));
228 echo $OUTPUT->container_end();
229
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230 $home_url->param('draftpath', $draftpath);
231 $home_url->param('action', 'mkdir');
232 echo ' <form method="post" action="'.$home_url->out().'">';
3211569a 233 echo ' <input name="newdirname" type="text" />';
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234 echo ' <input name="draftpath" type="hidden" value="'.s($draftpath).'" />';
235 echo ' <input type="submit" value="'.s(get_string('makeafolder', 'moodle')).'" />';
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236 echo ' </form>';
237 echo $OUTPUT->footer();
238 break;
239
240case 'mkdir':
241
242 $newfolderpath = $draftpath . trim($newdirname, '/') . '/';
243 $fs->create_directory($user_context->id, 'user', 'draft', $itemid, $newfolderpath);
244 $home_url->param('action', 'browse');
245 if (!empty($newdirname)) {
246 $home_url->param('draftpath', $newfolderpath);
247 $str = get_string('createfoldersuccess', 'repository');
248 } else {
249 $home_url->param('draftpath', $draftpath);
250 $str = get_string('createfolderfail', 'repository');
251 }
252 redirect($home_url, $str);
253 break;
254
255case 'browse':
256default:
257 $files = file_get_drafarea_files($itemid, $draftpath);
258 $info = file_get_draft_area_info($itemid);
259 $filecount = $info['filecount'];
260
261 echo $OUTPUT->header();
262 if ((!empty($files) or $draftpath != '/') and $env == 'filemanager') {
263 echo '<div class="fm-breadcrumb">';
264 $home_url->param('action', 'browse');
265 $home_url->param('draftpath', '/');
266 echo '<a href="'.$home_url->out().'">' . get_string('files') . '</a> ▶';
267 $trail = '';
268 if ($draftpath !== '/') {
269 $path = '/' . trim($draftpath, '/') . '/';
270 $parts = explode('/', $path);
271 foreach ($parts as $part) {
aa4d9734 272 if ($part != '') {
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273 $trail .= ('/'.$part.'/');
274 $data->path[] = array('name'=>$part, 'path'=>$trail);
275 $home_url->param('draftpath', $trail);
276 echo ' <a href="'.$home_url->out().'">'.$part.'</a> ▶ ';
277 }
278 }
279 }
280 echo '</div>';
281 }
282
283 $filepicker_url->param('draftpath', $draftpath);
284 $filepicker_url->param('savepath', $draftpath);
285 $filepicker_url->param('action', 'plugins');
286 echo '<div class="filemanager-toolbar">';
287 if ($env == 'filepicker') {
288 $maxfiles = 1;
289 }
bf1873c6 290 if ($filecount < $maxfiles || $maxfiles == -1) {
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291 echo ' <a href="'.$filepicker_url->out().'">'.get_string('addfile', 'repository').'</a>';
292 }
293 if ($env == 'filemanager') {
294 if (!empty($subdirs)) {
295 $home_url->param('action', 'mkdirform');
296 echo ' <a href="'.$home_url->out().'">'.get_string('makeafolder', 'moodle').'</a>';
297 }
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298 if (!empty($files->list)) {
299 $home_url->param('action', 'downloaddir');
300 echo ' ' . html_writer::link($home_url, get_string('downloadfolder', 'repository'), array('target'=>'_blank'));
301 }
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302 }
303 echo '</div>';
304
305 if (!empty($files->list)) {
306 echo '<ul>';
307 foreach ($files->list as $file) {
308 if ($file->type != 'folder') {
309 $drafturl = $file->url;
310 // a file
563d0417 311 echo '<li>';
559276b1 312 echo $OUTPUT->pix_icon(file_file_icon($file), '', 'moodle', array('class' => 'iconsmall'));
71267723 313 echo html_writer::link($drafturl, $file->filename);
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314
315 $home_url->param('filename', $file->filename);
316 $home_url->param('draftpath', $file->filepath);
317
318 $home_url->param('action', 'deletedraft');
319 echo ' [<a href="'.$home_url->out().'" class="fm-operation">'.get_string('delete').'</a>]';
320
321 $home_url->param('action', 'movefile');
322 echo ' [<a href="'.$home_url->out().'" class="fm-operation">'.get_string('move').'</a>]';
323
324 $home_url->param('action', 'renameform');
325 echo ' [<a href="'.$home_url->out().'" class="fm-operation">'.get_string('rename').'</a>]';
326
559276b1 327 if (file_extension_in_typegroup($file->filename, 'archive', true)) {
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328 $home_url->param('action', 'unzip');
329 $home_url->param('draftpath', $file->filepath);
330 echo ' [<a href="'.$home_url->out().'" class="fm-operation">'.get_string('unzip').'</a>]';
331 }
332
333 echo '</li>';
334 } else {
335 // a folder
336 echo '<li>';
559276b1 337 echo '<img src="'.$OUTPUT->pix_url(file_folder_icon()) . '" class="iconsmall" />';
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338
339 $home_url->param('action', 'browse');
340 $home_url->param('draftpath', $file->filepath);
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341 $filepathchunks = explode('/', trim($file->filepath, '/'));
342 $foldername = trim(array_pop($filepathchunks), '/');
71267723 343 echo html_writer::link($home_url, $foldername);
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344
345 $home_url->param('draftpath', $file->filepath);
346 $home_url->param('filename', $file->filename);
347 $home_url->param('action', 'deletedraft');
348 echo ' [<a href="'.$home_url->out().'" class="fm-operation">'.get_string('delete').'</a>]';
349
350 $home_url->param('action', 'zip');
351 echo ' [<a href="'.$home_url->out().'" class="fm-operation">Zip</a>]';
352 echo '</li>';
353 }
354 }
355 echo '</ul>';
356 } else {
357 echo get_string('nofilesavailable', 'repository');
358 }
359 echo $OUTPUT->footer();
360 break;
361}
362
363function print_draft_area_tree($tree, $root, $url) {
364 echo '<ul>';
365 if ($root) {
366 $url->param('targetpath', '/');
367 if ($url->param('draftpath') == '/') {
368 echo '<li>'.get_string('files').'</li>';
369 } else {
370 echo '<li><a href="'.$url->out().'">'.get_string('files').'</a></li>';
371 }
372 echo '<ul>';
373 if (isset($tree->children)) {
374 $tree = $tree->children;
375 }
376 }
377
378 if (!empty($tree)) {
379 foreach ($tree as $node) {
380 echo '<li>';
381 $url->param('targetpath', $node->filepath);
382 if ($url->param('draftpath') != $node->filepath) {
383 echo '<a href="'.$url->out().'">'.$node->fullname.'</a>';
384 } else {
385 echo $node->fullname;
386 }
387 echo '</li>';
388 if (!empty($node->children)) {
389 print_draft_area_tree($node->children, false, $url);
390 }
391 }
392 }
393 if ($root) {
394 echo '</ul>';
395 }
396 echo '</ul>';
397}