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 $moodle_maxbytes = get_max_upload_file_size();
  97 // to prevent maxbytes greater than moodle maxbytes setting
  98 if ($maxbytes == 0 || $maxbytes>=$moodle_maxbytes) {
  99     $maxbytes = $moodle_maxbytes;
 100 }
 101
 102 $params = array('ctx_id' => $contextid, 'itemid' => $itemid, 'env' => $env, 'course'=>$courseid, 'maxbytes'=>$maxbytes, 'maxfiles'=>$maxfiles, 'subdirs'=>$subdirs, 'sesskey'=>sesskey());
 103 $params['action'] = 'browse';
 104 $params['draftpath'] = $draftpath;
 105 $home_url = new moodle_url('/repository/draftfiles_manager.php', $params);
 106
 107 $params['savepath'] = $savepath;
 108 $params['repo_id'] = $repo_id;
 109 $url = new moodle_url($CFG->httpswwwroot."/repository/filepicker.php", $params);
 110 $PAGE->set_url('/repository/filepicker.php', $params);
 111
 112 switch ($action) {
 113 case 'upload':
 114     // The uploaded file has been processed in plugin construct function
 115     // redirect to default page
 116     try {
 117         $repo->upload('', $maxbytes);
 118         redirect($home_url, get_string('uploadsucc','repository'));
 119     } catch (moodle_exception $e) {
 120         // inject target URL
 121         $e->link = $PAGE->url->out();
 122         echo $OUTPUT->header(); // hack: we need the embedded header here, standard error printing would not use it
 123         throw $e;
 124     }
 125     break;
 126
 127 case 'search':
 128     echo '<div><a href="' . $home_url->out() . '">'.get_string('back', 'repository')."</a></div>";
 129     try {
 130         $search_result = $repo->search($search_text);
 131         $search_result['issearchresult'] = true;
 132         $search_result['repo_id'] = $repo_id;
 133
 134         // TODO: need a better solution
 135         $purl = new moodle_url($url, array('search_paging' => 1, 'action' => 'search', 'repo_id' => $repo_id));
 136         $pagingbar = new paging_bar($search_result['total'], $search_result['page'] - 1, $search_result['perpage'], $purl, 'p');
 137         echo $OUTPUT->render($pagingbar);
 138
 139         echo '<table>';
 140         foreach ($search_result['list'] as $item) {
 141             echo '<tr>';
 142             echo '<td><img src="'.$item['thumbnail'].'" />';
 143             echo '</td><td>';
 144             if (!empty($item['url'])) {
 145                 echo html_writer::link($item['url'], $item['title'], array('target'=>'_blank'));
 146             } else {
 147                 echo $item['title'];
 148             }
 149             echo '</td>';
 150             echo '<td>';
 151             echo '<form method="post">';
 152             echo '<input type="hidden" name="fileurl" value="'.s($item['source']).'"/>';
 153             echo '<input type="hidden" name="action" value="confirm"/>';
 154             echo '<input type="hidden" name="filename" value="'.s($item['title']).'"/>';
 155             echo '<input type="hidden" name="thumbnail" value="'.s($item['thumbnail']).'"/>';
 156             echo '<input type="submit" value="'.s(get_string('select','repository')).'" />';
 157             echo '</form>';
 158             echo '</td>';
 159             echo '</tr>';
 160         }
 161         echo '</table>';
 162     } catch (repository_exception $e) {
 163     }
 164     break;
 165
 166 case 'list':
 167 case 'sign':
 168     echo $OUTPUT->header();
 169
 170     echo $OUTPUT->container_start();
 171     echo html_writer::link($url, get_string('back', 'repository'));
 172     echo $OUTPUT->container_end();
 173
 174     if ($repo->check_login()) {
 175         $list = $repo->get_listing($req_path, $curr_page);
 176         $dynload = !empty($list['dynload'])?true:false;
 177         if (!empty($list['upload'])) {
 178             echo '<form action="'.$url->out().'" method="post" enctype="multipart/form-data" style="display:inline">';
 179             echo '<label>'.$list['upload']['label'].': </label>';
 180             echo '<input type="file" name="repo_upload_file" /><br />';
 181             echo '<input type="hidden" name="action" value="upload" /><br />';
 182             echo '<input type="hidden" name="draftpath" value="'.s($draftpath).'" /><br />';
 183             echo '<input type="hidden" name="savepath" value="'.s($savepath).'" /><br />';
 184             echo '<input type="hidden" name="repo_id" value="'.s($repo_id).'" /><br />';
 185             echo '<input type="submit" value="'.s(get_string('upload', 'repository')).'" />';
 186             echo '</form>';
 187         } else {
 188             if (!empty($list['path'])) {
 189                 foreach ($list['path'] as $p) {
 190                     //echo '<form method="post" style="display:inline">';
 191                     //echo '<input type="hidden" name="p" value="'.s($p['path']).'"';
 192                     //echo '<input type="hidden" name="action" value="list"';
 193                     //echo '<input type="hidden" name="draftpath" value="'.s($draftpath).'" /><br />';
 194                     //echo '<input type="hidden" name="savepath" value="'.s($savepath).'" /><br />';
 195                     //echo '<input style="display:inline" type="submit" value="'.s($p['name']).'" />';
 196                     //echo '</form>';
 197
 198                     $pathurl = new moodle_url($url, array(
 199                         'p'=>$p['path'],
 200                         'action'=>'list',
 201                         'draftpath'=>$draftpath,
 202                         'savepath'=>$savepath
 203                         ));
 204                     echo '<strong>' . html_writer::link($pathurl, $p['name']) . '</strong>';
 205                     echo '<span> / </span>';
 206                 }
 207             }
 208             if (!empty($list['page'])) {
 209                 // TODO: need a better solution
 210                 $pagingurl = new moodle_url("$CFG->httpswwwroot/repository/filepicker.php?action=list&itemid=$itemid&ctx_id=$contextid&repo_id=$repo_id&course=$courseid");
 211                 echo $OUTPUT->paging_bar($list['total'], $list['page'] - 1, $list['perpage'], $pagingurl);
 212             }
 213             echo '<table>';
 214             foreach ($list['list'] as $item) {
 215                 echo '<tr>';
 216                 echo '<td><img src="'.$item['thumbnail'].'" />';
 217                 echo '</td><td>';
 218                 if (!empty($item['url'])) {
 219                     echo html_writer::link($item['url'], $item['title'], array('target'=>'_blank'));
 220                 } else {
 221                     echo $item['title'];
 222                 }
 223                 echo '</td>';
 224                 echo '<td>';
 225                 if (!isset($item['children'])) {
 226                     echo '<form method="post">';
 227                     echo '<input type="hidden" name="fileurl" value="'.s($item['source']).'"/>';
 228                     echo '<input type="hidden" name="action" value="confirm"/>';
 229                     echo '<input type="hidden" name="draftpath" value="'.s($draftpath).'" /><br />';
 230                     echo '<input type="hidden" name="savepath" value="'.s($savepath).'" /><br />';
 231                     echo '<input type="hidden" name="filename" value="'.s($item['title']).'"/>';
 232                     echo '<input type="hidden" name="thumbnail" value="'.s($item['thumbnail']).'"/>';
 233                     echo '<input type="submit" value="'.s(get_string('select','repository')).'" />';
 234                     echo '</form>';
 235                 } else {
 236                     echo '<form method="post">';
 237                     echo '<input type="hidden" name="p" value="'.s($item['path']).'"/>';
 238                     echo '<input type="submit" value="'.s(get_string('enter', 'repository')).'" />';
 239                     echo '</form>';
 240                 }
 241                 echo '</td>';
 242                 echo '</tr>';
 243             }
 244             echo '</table>';
 245         }
 246     } else {
 247         echo '<form method="post">';
 248         echo '<input type="hidden" name="action" value="sign" />';
 249         echo '<input type="hidden" name="repo_id" value="'.s($repo_id).'" />';
 250         $repo->print_login();
 251         echo '</form>';
 252     }
 253     echo $OUTPUT->footer();
 254     break;
 255
 256 case 'download':
 257     $thefile = $repo->get_file($fileurl, $filename);
 258     $filesize = filesize($thefile['path']);
 259     if (($maxbytes!=-1) && ($filesize>$maxbytes)) {
 260         print_error('maxbytes');
 261     }
 262     if (!empty($thefile)) {
 263         $record = new stdClass();
 264         $record->filepath = $savepath;
 265         $record->filename = $filename;
 266         $record->component = 'user';
 267         $record->filearea = 'draft';
 268         $record->itemid   = $itemid;
 269         $record->license  = '';
 270         $record->author   = '';
 271         $record->source   = $thefile['url'];
 272         try {
 273             $info = repository::move_to_filepool($thefile['path'], $record);
 274             redirect($home_url, get_string('downloadsucc', 'repository'));
 275         } catch (moodle_exception $e) {
 276             // inject target URL
 277             $e->link = $PAGE->url->out();
 278             echo $OUTPUT->header(); // hack: we need the embedded header here, standard error printing would not use it
 279             throw $e;
 280         }
 281     } else {
 282         print_error('cannotdownload', 'repository');
 283     }
 284
 285     break;
 286
 287 case 'confirm':
 288     echo $OUTPUT->header();
 289     echo '<div><a href="'.me().'">'.get_string('back', 'repository').'</a></div>';
 290     echo '<img src="'.$thumbnail.'" />';
 291     echo '<form method="post">';
 292     echo '<table>';
 293     echo '  <tr>';
 294     echo '    <td><label>'.get_string('filename', 'repository').'</label></td>';
 295     echo '    <td><input type="text" name="filename" value="'.s($filename).'" /></td>';
 296     echo '    <td><input type="hidden" name="fileurl" value="'.s($fileurl).'" /></td>';
 297     echo '    <td><input type="hidden" name="action" value="download" /></td>';
 298     echo '    <td><input type="hidden" name="itemid" value="'.s($itemid).'" /></td>';
 299     echo '  </tr>';
 300     echo '</table>';
 301     echo '<div>';
 302     // the save path
 303     echo ' <input name="draftpath" type="hidden" value="'.s($draftpath).'" />';
 304     echo ' <input name="savepath" type="hidden" value="'.s($savepath).'" />';
 305     echo ' <input type="submit" value="'.s(get_string('download', 'repository')).'" />';
 306     echo '</div>';
 307     echo '</form>';
 308     echo $OUTPUT->footer();
 309     break;
 310
 311 default:
 312 case 'plugins':
 313     $params = array();
 314     $params['context'] = array($user_context, get_system_context());
 315     $params['currentcontext'] = $PAGE->context;
 316     $params['return_types'] = FILE_INTERNAL;
 317
 318     $repos = repository::get_instances($params);
 319     echo $OUTPUT->header();
 320     echo html_writer::link($home_url->out(false), get_string('backtodraftfiles', 'repository'));
 321     echo '<div>';
 322     echo '<ul>';
 323     foreach($repos as $repo) {
 324         $info = $repo->get_meta();
 325
 326         $aurl = clone($url);
 327         $aurl->params(array('savepath'=>$savepath, 'action' => 'list', 'repo_id' => $info->id, 'draftpath'=>$draftpath));
 328
 329         echo '<li>';
 330         echo '<img src="'.$info->icon.'" alt="'.$info->name.'" width="16" height="16" /> ';
 331         echo html_writer::link($aurl, $info->name);
 332         echo '</li>';
 333     }
 334     echo '</ul>';
 335     echo '</div>';
 336     echo $OUTPUT->footer();
 337     break;
 338 }