repository/filepicker.php

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