MDL-33950 check if source file is accessible in repository_ajax.php
[moodle.git] / repository / filepicker.php
CommitLineData
761265ad 1<?php
6f2cd52a 2
761265ad 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
6f2cd52a
DC
19/**
20 * This file is used to browse repositories in non-javascript mode
21 *
22 * @since 2.0
5d354ded 23 * @package core
6f2cd52a 24 * @subpackage repository
5d354ded
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25 * @copyright 2009 Dongsheng Cai <dongsheng@moodle.com>
26 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
6f2cd52a
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27 */
28
761265ad 29require_once('../config.php');
30require_once($CFG->libdir.'/filelib.php');
31require_once('lib.php');
b6fd5aee 32/// Wait as long as it takes for this script to finish
33set_time_limit(0);
34
71267723 35require_sesskey();
b6fd5aee 36require_login();
761265ad 37
8ea068a2 38// disable blocks in this page
78946b9b 39$PAGE->set_pagelayout('embedded');
8ea068a2 40
41// general parameters
42$action = optional_param('action', '', PARAM_ALPHA);
d10c92f3 43$client_id = optional_param('client_id', '', PARAM_RAW); // client ID
761265ad 44$itemid = optional_param('itemid', '', PARAM_INT);
8ea068a2 45
46// parameters for repository
761265ad 47$callback = optional_param('callback', '', PARAM_CLEANHTML);
ad137107 48$contextid = optional_param('ctx_id', SYSCONTEXTID, PARAM_INT); // context ID
a14a933c 49$courseid = optional_param('course', SITEID, PARAM_INT); // course ID
8ea068a2 50$env = optional_param('env', 'filepicker', PARAM_ALPHA); // opened in file picker, file manager or html editor
51$filename = optional_param('filename', '', PARAM_FILE);
e5051df3 52$fileurl = optional_param('fileurl', '', PARAM_RAW);
8ea068a2 53$thumbnail = optional_param('thumbnail', '', PARAM_RAW);
af804e3e 54$targetpath = optional_param('targetpath', '', PARAM_PATH);
8ea068a2 55$repo_id = optional_param('repo_id', 0, PARAM_INT); // repository ID
56$req_path = optional_param('p', '', PARAM_RAW); // the path in repository
6f2cd52a 57$curr_page = optional_param('page', '', PARAM_RAW); // What page in repository?
761265ad 58$search_text = optional_param('s', '', PARAM_CLEANHTML);
563d0417
DC
59$maxfiles = optional_param('maxfiles', -1, PARAM_INT); // maxfiles
60$maxbytes = optional_param('maxbytes', 0, PARAM_INT); // maxbytes
61$subdirs = optional_param('subdirs', 0, PARAM_INT); // maxbytes
761265ad 62
563d0417
DC
63// the path to save files
64$savepath = optional_param('savepath', '/', PARAM_PATH);
8ea068a2 65// path in draft area
563d0417 66$draftpath = optional_param('draftpath', '/', PARAM_PATH);
8ea068a2 67
68
69// user context
4239150a 70$user_context = context_user::instance($USER->id);
8ea068a2 71
563d0417 72$PAGE->set_context($user_context);
a14a933c
DC
73if (!$course = $DB->get_record('course', array('id'=>$courseid))) {
74 print_error('invalidcourseid');
75}
76$PAGE->set_course($course);
c33aa23b 77
761265ad 78// init repository plugin
79$sql = 'SELECT i.name, i.typeid, r.type FROM {repository} r, {repository_instances} i '.
80 'WHERE i.id=? AND i.typeid=r.id';
009a97ce 81if ($repository = $DB->get_record_sql($sql, array($repo_id))) {
761265ad 82 $type = $repository->type;
e35194be
DC
83 if (file_exists($CFG->dirroot.'/repository/'.$type.'/lib.php')) {
84 require_once($CFG->dirroot.'/repository/'.$type.'/lib.php');
009a97ce 85 $classname = 'repository_' . $type;
86 try {
563d0417 87 $repo = new $classname($repo_id, $contextid, array('ajax'=>false, 'name'=>$repository->name, 'type'=>$type));
009a97ce 88 } catch (repository_exception $e){
89 print_error('pluginerror', 'repository');
90 }
91 } else {
92 print_error('invalidplugin', 'repository');
761265ad 93 }
761265ad 94}
8ea068a2 95
8ac95c27
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96$context = context::instance_by_id($contextid);
97$moodle_maxbytes = get_user_max_upload_file_size($context);
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98// to prevent maxbytes greater than moodle maxbytes setting
99if ($maxbytes == 0 || $maxbytes>=$moodle_maxbytes) {
100 $maxbytes = $moodle_maxbytes;
101}
102
71267723 103$params = array('ctx_id' => $contextid, 'itemid' => $itemid, 'env' => $env, 'course'=>$courseid, 'maxbytes'=>$maxbytes, 'maxfiles'=>$maxfiles, 'subdirs'=>$subdirs, 'sesskey'=>sesskey());
563d0417
DC
104$params['action'] = 'browse';
105$params['draftpath'] = $draftpath;
106$home_url = new moodle_url('/repository/draftfiles_manager.php', $params);
107
108$params['savepath'] = $savepath;
bf1873c6 109$params['repo_id'] = $repo_id;
563d0417
DC
110$url = new moodle_url($CFG->httpswwwroot."/repository/filepicker.php", $params);
111$PAGE->set_url('/repository/filepicker.php', $params);
b6fd5aee 112
14f3c882 113switch ($action) {
ab9cdbb9 114case 'upload':
009a97ce 115 // The uploaded file has been processed in plugin construct function
8ea068a2 116 // redirect to default page
84641adc
PS
117 try {
118 $repo->upload('', $maxbytes);
119 redirect($home_url, get_string('uploadsucc','repository'));
120 } catch (moodle_exception $e) {
121 // inject target URL
122 $e->link = $PAGE->url->out();
123 echo $OUTPUT->header(); // hack: we need the embedded header here, standard error printing would not use it
124 throw $e;
125 }
14f3c882 126 break;
8ea068a2 127
78ff2983 128case 'search':
c33aa23b 129 echo '<div><a href="' . $home_url->out() . '">'.get_string('back', 'repository')."</a></div>";
78ff2983 130 try {
131 $search_result = $repo->search($search_text);
29199e56 132 $search_result['issearchresult'] = true;
78ff2983 133 $search_result['repo_id'] = $repo_id;
009a97ce 134
135 // TODO: need a better solution
ef3e1fbc 136 $purl = new moodle_url($url, array('search_paging' => 1, 'action' => 'search', 'repo_id' => $repo_id));
929d7a83
PS
137 $pagingbar = new paging_bar($search_result['total'], $search_result['page'] - 1, $search_result['perpage'], $purl, 'p');
138 echo $OUTPUT->render($pagingbar);
009a97ce 139
78ff2983 140 echo '<table>';
141 foreach ($search_result['list'] as $item) {
142 echo '<tr>';
8685679a
MG
143 echo '<td>';
144 $style = '';
145 if (isset($item['thumbnail_height'])) {
146 $style .= 'max-height:'.$item['thumbnail_height'].'px;';
147 }
148 if (isset($item['thumbnail_width'])) {
149 $style .= 'max-width:'.$item['thumbnail_width'].'px;';
150 }
151 echo html_writer::empty_tag('img', array('src' => $item['thumbnail'], 'style' => $style));
78ff2983 152 echo '</td><td>';
153 if (!empty($item['url'])) {
71267723 154 echo html_writer::link($item['url'], $item['title'], array('target'=>'_blank'));
78ff2983 155 } else {
156 echo $item['title'];
157 }
158 echo '</td>';
159 echo '<td>';
009a97ce 160 echo '<form method="post">';
71267723 161 echo '<input type="hidden" name="fileurl" value="'.s($item['source']).'"/>';
009a97ce 162 echo '<input type="hidden" name="action" value="confirm"/>';
71267723
DC
163 echo '<input type="hidden" name="filename" value="'.s($item['title']).'"/>';
164 echo '<input type="hidden" name="thumbnail" value="'.s($item['thumbnail']).'"/>';
165 echo '<input type="submit" value="'.s(get_string('select','repository')).'" />';
009a97ce 166 echo '</form>';
78ff2983 167 echo '</td>';
009a97ce 168 echo '</tr>';
78ff2983 169 }
170 echo '</table>';
171 } catch (repository_exception $e) {
172 }
173 break;
8ea068a2 174
14f3c882 175case 'list':
176case 'sign':
af804e3e 177 echo $OUTPUT->header();
71267723
DC
178
179 echo $OUTPUT->container_start();
180 echo html_writer::link($url, get_string('back', 'repository'));
181 echo $OUTPUT->container_end();
182
761265ad 183 if ($repo->check_login()) {
6f2cd52a 184 $list = $repo->get_listing($req_path, $curr_page);
761265ad 185 $dynload = !empty($list['dynload'])?true:false;
186 if (!empty($list['upload'])) {
47ce714b 187 echo '<form action="'.$url->out().'" method="post" enctype="multipart/form-data" style="display:inline">';
ab9cdbb9 188 echo '<label>'.$list['upload']['label'].': </label>';
761265ad 189 echo '<input type="file" name="repo_upload_file" /><br />';
ab9cdbb9 190 echo '<input type="hidden" name="action" value="upload" /><br />';
71267723
DC
191 echo '<input type="hidden" name="draftpath" value="'.s($draftpath).'" /><br />';
192 echo '<input type="hidden" name="savepath" value="'.s($savepath).'" /><br />';
193 echo '<input type="hidden" name="repo_id" value="'.s($repo_id).'" /><br />';
194 echo '<input type="submit" value="'.s(get_string('upload', 'repository')).'" />';
761265ad 195 echo '</form>';
196 } else {
5e98ab96 197 if (!empty($list['path'])) {
198 foreach ($list['path'] as $p) {
bf1873c6 199 //echo '<form method="post" style="display:inline">';
71267723 200 //echo '<input type="hidden" name="p" value="'.s($p['path']).'"';
bf1873c6 201 //echo '<input type="hidden" name="action" value="list"';
71267723
DC
202 //echo '<input type="hidden" name="draftpath" value="'.s($draftpath).'" /><br />';
203 //echo '<input type="hidden" name="savepath" value="'.s($savepath).'" /><br />';
204 //echo '<input style="display:inline" type="submit" value="'.s($p['name']).'" />';
bf1873c6
DC
205 //echo '</form>';
206
207 $pathurl = new moodle_url($url, array(
208 'p'=>$p['path'],
209 'action'=>'list',
210 'draftpath'=>$draftpath,
211 'savepath'=>$savepath
212 ));
213 echo '<strong>' . html_writer::link($pathurl, $p['name']) . '</strong>';
214 echo '<span> / </span>';
5e98ab96 215 }
761265ad 216 }
009a97ce 217 if (!empty($list['page'])) {
20ee5084
MG
218 // TODO MDL-28482: need a better solution
219 // paging_bar is not a good option because it starts page numbering from 0 and
220 // repositories number pages starting from 1.
221 $pagingurl = new moodle_url("$CFG->httpswwwroot/repository/filepicker.php?action=list&itemid=$itemid&ctx_id=$contextid&repo_id=$repo_id&course=$courseid&sesskey=". sesskey());
222 if (!isset($list['perpage']) && !isset($list['total'])) {
223 $list['perpage'] = 10; // instead of setting perpage&total we use number of pages, the result is the same
224 }
225 if (empty($list['total'])) {
226 if ($list['pages'] == -1) {
227 $total = ($list['page'] + 2) * $list['perpage'];
228 } else {
229 $total = $list['pages'] * $list['perpage'];
230 }
231 } else {
232 $total = $list['total'];
233 }
234 echo $OUTPUT->paging_bar($total, $list['page'], $list['perpage'], $pagingurl);
009a97ce 235 }
761265ad 236 echo '<table>';
237 foreach ($list['list'] as $item) {
238 echo '<tr>';
8685679a
MG
239 echo '<td>';
240 $style = '';
241 if (isset($item['thumbnail_height'])) {
242 $style .= 'max-height:'.$item['thumbnail_height'].'px;';
243 }
244 if (isset($item['thumbnail_width'])) {
245 $style .= 'max-width:'.$item['thumbnail_width'].'px;';
246 }
247 echo html_writer::empty_tag('img', array('src' => $item['thumbnail'], 'style' => $style));
761265ad 248 echo '</td><td>';
249 if (!empty($item['url'])) {
71267723 250 echo html_writer::link($item['url'], $item['title'], array('target'=>'_blank'));
761265ad 251 } else {
252 echo $item['title'];
253 }
254 echo '</td>';
255 echo '<td>';
256 if (!isset($item['children'])) {
257 echo '<form method="post">';
71267723 258 echo '<input type="hidden" name="fileurl" value="'.s($item['source']).'"/>';
761265ad 259 echo '<input type="hidden" name="action" value="confirm"/>';
71267723
DC
260 echo '<input type="hidden" name="draftpath" value="'.s($draftpath).'" /><br />';
261 echo '<input type="hidden" name="savepath" value="'.s($savepath).'" /><br />';
262 echo '<input type="hidden" name="filename" value="'.s($item['title']).'"/>';
263 echo '<input type="hidden" name="thumbnail" value="'.s($item['thumbnail']).'"/>';
264 echo '<input type="submit" value="'.s(get_string('select','repository')).'" />';
761265ad 265 echo '</form>';
266 } else {
267 echo '<form method="post">';
71267723
DC
268 echo '<input type="hidden" name="p" value="'.s($item['path']).'"/>';
269 echo '<input type="submit" value="'.s(get_string('enter', 'repository')).'" />';
761265ad 270 echo '</form>';
271 }
272 echo '</td>';
009a97ce 273 echo '</tr>';
761265ad 274 }
275 echo '</table>';
276 }
277 } else {
278 echo '<form method="post">';
761265ad 279 echo '<input type="hidden" name="action" value="sign" />';
71267723 280 echo '<input type="hidden" name="repo_id" value="'.s($repo_id).'" />';
78ff2983 281 $repo->print_login();
761265ad 282 echo '</form>';
283 }
6fd42112 284 echo $OUTPUT->footer();
14f3c882 285 break;
8ea068a2 286
14f3c882 287case 'download':
9efa43f3 288 $thefile = $repo->get_file($fileurl, $filename);
563d0417
DC
289 $filesize = filesize($thefile['path']);
290 if (($maxbytes!=-1) && ($filesize>$maxbytes)) {
291 print_error('maxbytes');
292 }
14469892 293 if (!empty($thefile)) {
6bdfef5d 294 $record = new stdClass();
563d0417 295 $record->filepath = $savepath;
e5051df3 296 $record->filename = $filename;
64f93798
PS
297 $record->component = 'user';
298 $record->filearea = 'draft';
e5051df3
DC
299 $record->itemid = $itemid;
300 $record->license = '';
301 $record->author = '';
4239150a
RW
302
303 $now = time();
304 $record->timecreated = $now;
305 $record->timemodified = $now;
306 $record->userid = $USER->id;
307 $record->contextid = $user_context->id;
308
83d2700e
MG
309 $sourcefield = $repo->get_file_source_info($thefile['url']);
310 $record->source = repository::build_source_field($sourcefield);
84641adc
PS
311 try {
312 $info = repository::move_to_filepool($thefile['path'], $record);
313 redirect($home_url, get_string('downloadsucc', 'repository'));
314 } catch (moodle_exception $e) {
315 // inject target URL
316 $e->link = $PAGE->url->out();
317 echo $OUTPUT->header(); // hack: we need the embedded header here, standard error printing would not use it
318 throw $e;
319 }
009a97ce 320 } else {
321 print_error('cannotdownload', 'repository');
14f3c882 322 }
323
324 break;
8ea068a2 325
14f3c882 326case 'confirm':
af804e3e 327 echo $OUTPUT->header();
1e98e05f 328 echo '<div><a href="'.s($PAGE->url->out(false)).'">'.get_string('back', 'repository').'</a></div>';
8ea068a2 329 echo '<img src="'.$thumbnail.'" />';
330 echo '<form method="post">';
331 echo '<table>';
332 echo ' <tr>';
3211569a
SH
333 echo ' <td><label>'.get_string('filename', 'repository').'</label></td>';
334 echo ' <td><input type="text" name="filename" value="'.s($filename).'" /></td>';
71267723 335 echo ' <td><input type="hidden" name="fileurl" value="'.s($fileurl).'" /></td>';
8ea068a2 336 echo ' <td><input type="hidden" name="action" value="download" /></td>';
71267723 337 echo ' <td><input type="hidden" name="itemid" value="'.s($itemid).'" /></td>';
8ea068a2 338 echo ' </tr>';
14f3c882 339 echo '</table>';
340 echo '<div>';
8ea068a2 341 // the save path
71267723
DC
342 echo ' <input name="draftpath" type="hidden" value="'.s($draftpath).'" />';
343 echo ' <input name="savepath" type="hidden" value="'.s($savepath).'" />';
344 echo ' <input type="submit" value="'.s(get_string('download', 'repository')).'" />';
14f3c882 345 echo '</div>';
346 echo '</form>';
6fd42112 347 echo $OUTPUT->footer();
14f3c882 348 break;
8ea068a2 349
563d0417 350default:
ab9cdbb9 351case 'plugins':
6f2cd52a
DC
352 $params = array();
353 $params['context'] = array($user_context, get_system_context());
354 $params['currentcontext'] = $PAGE->context;
563d0417
DC
355 $params['return_types'] = FILE_INTERNAL;
356
6f2cd52a 357 $repos = repository::get_instances($params);
af804e3e 358 echo $OUTPUT->header();
563d0417 359 echo html_writer::link($home_url->out(false), get_string('backtodraftfiles', 'repository'));
8ea068a2 360 echo '<div>';
361 echo '<ul>';
ab9cdbb9 362 foreach($repos as $repo) {
363 $info = $repo->get_meta();
8ae8bf8a
PS
364
365 $aurl = clone($url);
563d0417 366 $aurl->params(array('savepath'=>$savepath, 'action' => 'list', 'repo_id' => $info->id, 'draftpath'=>$draftpath));
8ae8bf8a 367
e5051df3 368 echo '<li>';
563d0417 369 echo '<img src="'.$info->icon.'" alt="'.$info->name.'" width="16" height="16" /> ';
e5051df3
DC
370 echo html_writer::link($aurl, $info->name);
371 echo '</li>';
ab9cdbb9 372 }
8ea068a2 373 echo '</ul>';
374 echo '</div>';
375 echo $OUTPUT->footer();
376 break;
af804e3e 377}