files/index.php

   1 <?php // $Id$
   2
   3 //  Manage all uploaded files in a course file area
   4
   5 //  All the Moodle-specific stuff is in this top section
   6 //  Configuration and access control occurs here.
   7 //  Must define:  USER, basedir, baseweb, html_header and html_footer
   8 //  USER is a persistent variable using sessions
   9
  10     require('../config.php');
  11     require($CFG->libdir.'/filelib.php');
  12
  13     $id      = required_param('id', PARAM_INT);
  14     $file    = optional_param('file', '', PARAM_PATH);
  15     $wdir    = optional_param('wdir', '', PARAM_PATH);
  16     $action  = optional_param('action', '', PARAM_ACTION);
  17     $name    = optional_param('name', '', PARAM_FILE);
  18     $oldname = optional_param('oldname', '', PARAM_FILE);
  19     $choose  = optional_param('choose', '', PARAM_FILE); //in fact it is always 'formname.inputname'
  20     $userfile= optional_param('userfile','',PARAM_FILE);
  21     $save    = optional_param('save', 0, PARAM_BOOL);
  22     $text    = optional_param('text', '', PARAM_RAW);
  23     $confirm = optional_param('confirm', 0, PARAM_BOOL);
  24
  25     if ($choose) {
  26         if (count(explode('.', $choose)) > 2) {
  27             error('Incorrect format for choose parameter');
  28         }
  29     }
  30
  31
  32     if (! $course = get_record("course", "id", $id) ) {
  33         error("That's an invalid course id");
  34     }
  35
  36     require_login($course->id);
  37
  38     require_capability('moodle/course:managefiles', get_context_instance(CONTEXT_COURSE, $course->id));
  39
  40     function html_footer() {
  41         global $course, $choose;
  42
  43         echo '</td></tr></table>';
  44
  45         print_footer($course);
  46     }
  47
  48     function html_header($course, $wdir, $formfield=""){
  49         global $CFG, $ME, $choose;
  50
  51         if (! $site = get_site()) {
  52             error("Invalid site!");
  53         }
  54
  55         if ($course->id == $site->id) {
  56             $strfiles = get_string("sitefiles");
  57         } else {
  58             $strfiles = get_string("files");
  59         }
  60
  61         if ($wdir == "/") {
  62             $fullnav = "$strfiles";
  63         } else {
  64             $dirs = explode("/", $wdir);
  65             $numdirs = count($dirs);
  66             $link = "";
  67             $navigation = "";
  68             for ($i=1; $i<$numdirs-1; $i++) {
  69                $navigation .= " -> ";
  70                $link .= "/".urlencode($dirs[$i]);
  71                $navigation .= "<a href=\"".$ME."?id=$course->id&amp;wdir=$link&amp;choose=$choose\">".$dirs[$i]."</a>";
  72             }
  73             $fullnav = "<a href=\"".$ME."?id=$course->id&amp;wdir=/&amp;choose=$choose\">$strfiles</a> $navigation -> ".$dirs[$numdirs-1];
  74         }
  75
  76
  77         if ($choose) {
  78             print_header();
  79
  80             $chooseparts = explode('.', $choose);
  81             if (count($chooseparts)==2){
  82             ?>
  83             <script type="text/javascript">
  84             //<![CDATA[
  85             function set_value(txt) {
  86                 opener.document.forms['<?php echo $chooseparts[0]."'].".$chooseparts[1] ?>.value = txt;
  87                 window.close();
  88             }
  89             //]]>
  90             </script>
  91
  92             <?php
  93             } elseif (count($chooseparts)==1){
  94             ?>
  95             <script type="text/javascript">
  96             //<![CDATA[
  97             function set_value(txt) {
  98                 opener.document.getElementById('<?php echo $chooseparts[0] ?>').value = txt;
  99                 window.close();
 100             }
 101             //]]>
 102             </script>
 103
 104             <?php
 105
 106             }
 107             $fullnav = str_replace('->', '&raquo;', "$course->shortname -> $fullnav");
 108             echo '<div id="nav-bar">'.$fullnav.'</div>';
 109
 110             if ($course->id == $site->id) {
 111                 print_heading(get_string("publicsitefileswarning"), "center", 2);
 112             }
 113
 114         } else {
 115
 116             if ($course->id == $site->id) {
 117                 print_header("$course->shortname: $strfiles", "$course->fullname",
 118                              "<a href=\"../$CFG->admin/index.php\">".get_string("administration").
 119                              "</a> -> $fullnav", $formfield);
 120
 121                 print_heading(get_string("publicsitefileswarning"), "center", 2);
 122
 123             } else {
 124                 print_header("$course->shortname: $strfiles", "$course->fullname",
 125                              "<a href=\"../course/view.php?id=$course->id\">$course->shortname".
 126                              "</a> -> $fullnav", $formfield);
 127             }
 128         }
 129
 130
 131         echo "<table border=\"0\" align=\"center\" cellspacing=\"3\" cellpadding=\"3\" width=\"640\">";
 132         echo "<tr>";
 133         echo "<td colspan=\"2\">";
 134
 135     }
 136
 137
 138     if (! $basedir = make_upload_directory("$course->id")) {
 139         error("The site administrator needs to fix the file permissions");
 140     }
 141
 142     $baseweb = $CFG->wwwroot;
 143
 144 //  End of configuration and access control
 145
 146
 147     if ($wdir == '') {
 148         $wdir = "/";
 149     }
 150
 151     if ($wdir{0} != '/') {  //make sure $wdir starts with slash
 152         $wdir = "/".$wdir;
 153     }
 154
 155     if ($wdir == "/backupdata") {
 156         if (! make_upload_directory("$course->id/backupdata")) {   // Backup folder
 157             error("Could not create backupdata folder.  The site administrator needs to fix the file permissions");
 158         }
 159     }
 160
 161     if (!is_dir($basedir.$wdir)) {
 162         html_header($course, $wdir);
 163         error("Requested directory does not exist.", "$CFG->wwwroot/files/index.php?id=$id");
 164     }
 165
 166     switch ($action) {
 167
 168         case "upload":
 169             html_header($course, $wdir);
 170             require_once($CFG->dirroot.'/lib/uploadlib.php');
 171
 172             if ($save and confirm_sesskey()) {
 173                 $course->maxbytes = 0;  // We are ignoring course limits
 174                 $um = new upload_manager('userfile',false,false,$course,false,0);
 175                 $dir = "$basedir$wdir";
 176                 if ($um->process_file_uploads($dir)) {
 177                     notify(get_string('uploadedfile'));
 178                 }
 179                 // um will take care of error reporting.
 180                 displaydir($wdir);
 181             } else {
 182                 $upload_max_filesize = get_max_upload_file_size($CFG->maxbytes);
 183                 $filesize = display_size($upload_max_filesize);
 184
 185                 $struploadafile = get_string("uploadafile");
 186                 $struploadthisfile = get_string("uploadthisfile");
 187                 $strmaxsize = get_string("maxsize", "", $filesize);
 188                 $strcancel = get_string("cancel");
 189
 190                 echo "<p>$struploadafile ($strmaxsize) --> <b>$wdir</b></p>";
 191                 echo "<form enctype=\"multipart/form-data\" method=\"post\" action=\"index.php\">";
 192                 echo "<table><tr><td colspan=\"2\">";
 193                 echo ' <input type="hidden" name="choose" value="'.$choose.'" />';
 194                 echo " <input type=\"hidden\" name=\"id\" value=\"$id\" />";
 195                 echo " <input type=\"hidden\" name=\"wdir\" value=\"$wdir\" />";
 196                 echo " <input type=\"hidden\" name=\"action\" value=\"upload\" />";
 197                 echo " <input type=\"hidden\" name=\"sesskey\" value=\"$USER->sesskey\" />";
 198                 upload_print_form_fragment(1,array('userfile'),null,false,null,$upload_max_filesize,0,false);
 199                 echo " </td></tr></table>";
 200                 echo " <input type=\"submit\" name=\"save\" value=\"$struploadthisfile\" />";
 201                 echo "</form>";
 202                 echo "<form action=\"index.php\" method=\"get\">";
 203                 echo ' <input type="hidden" name="choose" value="'.$choose.'" />';
 204                 echo " <input type=\"hidden\" name=\"id\" value=\"$id\" />";
 205                 echo " <input type=\"hidden\" name=\"wdir\" value=\"$wdir\" />";
 206                 echo " <input type=\"hidden\" name=\"action\" value=\"cancel\" />";
 207                 echo " <input type=\"submit\" value=\"$strcancel\" />";
 208                 echo "</form>";
 209             }
 210             html_footer();
 211             break;
 212
 213         case "delete":
 214             if ($confirm and confirm_sesskey()) {
 215                 html_header($course, $wdir);
 216                 if (!empty($USER->filelist)) {
 217                     foreach ($USER->filelist as $file) {
 218                         $fullfile = $basedir.'/'.$file;
 219                         if (! fulldelete($fullfile)) {
 220                             echo "<br />Error: Could not delete: $fullfile";
 221                         }
 222                     }
 223                 }
 224                 clearfilelist();
 225                 displaydir($wdir);
 226                 html_footer();
 227
 228             } else {
 229                 html_header($course, $wdir);
 230
 231                 if (setfilelist($_POST)) {
 232                     notify(get_string('deletecheckwarning').':');
 233                     print_simple_box_start("center");
 234                     printfilelist($USER->filelist);
 235                     print_simple_box_end();
 236                     echo "<br />";
 237
 238                     require_once($CFG->dirroot.'/mod/resource/lib.php');
 239                     $block = resource_delete_warning($course, $USER->filelist);
 240
 241                     if (empty($CFG->resource_blockdeletingfile) or $block == '') {
 242                         $optionsyes = array('id'=>$id, 'wdir'=>$wdir, 'action'=>'delete', 'confirm'=>1, 'sesskey'=>sesskey(), 'choose'=>$choose);
 243                         $optionsno  = array('id'=>$id, 'wdir'=>$wdir, 'action'=>'cancel', 'choose'=>$choose);
 244                         notice_yesno (get_string('deletecheckfiles'), 'index.php', 'index.php', $optionsyes, $optionsno, 'post', 'get');
 245                     } else {
 246
 247                         notify(get_string('warningblockingdelete', 'resource'));
 248                         $options  = array('id'=>$id, 'wdir'=>$wdir, 'action'=>'cancel', 'choose'=>$choose);
 249                         print_continue("index.php?id=$id&amp;wdir=$wdir&amp;action=cancel&amp;choose=$choose");
 250                     }
 251                 } else {
 252                     displaydir($wdir);
 253                 }
 254                 html_footer();
 255             }
 256             break;
 257
 258         case "move":
 259             html_header($course, $wdir);
 260             if (($count = setfilelist($_POST)) and confirm_sesskey()) {
 261                 $USER->fileop     = $action;
 262                 $USER->filesource = $wdir;
 263                 echo "<p align=\"center\">";
 264                 print_string("selectednowmove", "moodle", $count);
 265                 echo "</p>";
 266             }
 267             displaydir($wdir);
 268             html_footer();
 269             break;
 270
 271         case "paste":
 272             html_header($course, $wdir);
 273             if (isset($USER->fileop) and ($USER->fileop == "move") and confirm_sesskey()) {
 274                 foreach ($USER->filelist as $file) {
 275                     $shortfile = basename($file);
 276                     $oldfile = $basedir.'/'.$file;
 277                     $newfile = $basedir.$wdir."/".$shortfile;
 278                     if (!rename($oldfile, $newfile)) {
 279                         echo "<p>Error: $shortfile not moved</p>";
 280                     }
 281                 }
 282             }
 283             clearfilelist();
 284             displaydir($wdir);
 285             html_footer();
 286             break;
 287
 288         case "rename":
 289             if (($name != '') and confirm_sesskey()) {
 290                 html_header($course, $wdir);
 291                 $name = clean_filename($name);
 292                 if (file_exists($basedir.$wdir."/".$name)) {
 293                     echo "<center>Error: $name already exists!</center>";
 294                 } else if (!rename($basedir.$wdir."/".$oldname, $basedir.$wdir."/".$name)) {
 295                     echo "<p align=\"center\">Error: could not rename $oldname to $name</p>";
 296                 } else {
 297                     //file was renamed now update resources if needed
 298                     require_once($CFG->dirroot.'/mod/resource/lib.php');
 299                     resource_renamefiles($course, $wdir, $oldname, $name);
 300                 }
 301                 displaydir($wdir);
 302
 303             } else {
 304                 $strrename = get_string("rename");
 305                 $strcancel = get_string("cancel");
 306                 $strrenamefileto = get_string("renamefileto", "moodle", $file);
 307                 html_header($course, $wdir, "form.name");
 308                 echo "<p>$strrenamefileto:</p>";
 309                 echo "<table><tr><td>";
 310                 echo "<form action=\"index.php\" method=\"post\">";
 311                 echo ' <input type="hidden" name="choose" value="'.$choose.'" />';
 312                 echo " <input type=\"hidden\" name=\"id\" value=\"$id\" />";
 313                 echo " <input type=\"hidden\" name=\"wdir\" value=\"$wdir\" />";
 314                 echo " <input type=\"hidden\" name=\"action\" value=\"rename\" />";
 315                 echo " <input type=\"hidden\" name=\"oldname\" value=\"$file\" />";
 316                 echo " <input type=\"hidden\" name=\"sesskey\" value=\"$USER->sesskey\" />";
 317                 echo " <input type=\"text\" name=\"name\" size=\"35\" value=\"$file\" />";
 318                 echo " <input type=\"submit\" value=\"$strrename\" />";
 319                 echo "</form>";
 320                 echo "</td><td>";
 321                 echo "<form action=\"index.php\" method=\"get\">";
 322                 echo ' <input type="hidden" name="choose" value="'.$choose.'" />';
 323                 echo " <input type=\"hidden\" name=\"id\" value=\"$id\" />";
 324                 echo " <input type=\"hidden\" name=\"wdir\" value=\"$wdir\" />";
 325                 echo " <input type=\"hidden\" name=\"action\" value=\"cancel\" />";
 326                 echo " <input type=\"submit\" value=\"$strcancel\" />";
 327                 echo "</form>";
 328                 echo "</td></tr></table>";
 329             }
 330             html_footer();
 331             break;
 332
 333         case "makedir":
 334             if (($name != '') and confirm_sesskey()) {
 335                 html_header($course, $wdir);
 336                 $name = clean_filename($name);
 337                 if (file_exists("$basedir$wdir/$name")) {
 338                     echo "Error: $name already exists!";
 339                 } else if (! make_upload_directory("$course->id$wdir/$name")) {
 340                     echo "Error: could not create $name";
 341                 }
 342                 displaydir($wdir);
 343
 344             } else {
 345                 $strcreate = get_string("create");
 346                 $strcancel = get_string("cancel");
 347                 $strcreatefolder = get_string("createfolder", "moodle", $wdir);
 348                 html_header($course, $wdir, "form.name");
 349                 echo "<p>$strcreatefolder:</p>";
 350                 echo "<table><tr><td>";
 351                 echo "<form action=\"index.php\" method=\"post\">";
 352                 echo ' <input type="hidden" name="choose" value="'.$choose.'" />';
 353                 echo " <input type=\"hidden\" name=\"id\" value=\"$id\" />";
 354                 echo " <input type=\"hidden\" name=\"wdir\" value=\"$wdir\" />";
 355                 echo " <input type=\"hidden\" name=\"action\" value=\"makedir\" />";
 356                 echo " <input type=\"text\" name=\"name\" size=\"35\" />";
 357                 echo " <input type=\"hidden\" name=\"sesskey\" value=\"$USER->sesskey\" />";
 358                 echo " <input type=\"submit\" value=\"$strcreate\" />";
 359                 echo "</form>";
 360                 echo "</td><td>";
 361                 echo "<form action=\"index.php\" method=\"get\">";
 362                 echo ' <input type="hidden" name="choose" value="'.$choose.'" />';
 363                 echo " <input type=\"hidden\" name=\"id\" value=\"$id\" />";
 364                 echo " <input type=\"hidden\" name=\"wdir\" value=\"$wdir\" />";
 365                 echo " <input type=\"hidden\" name=\"action\" value=\"cancel\" />";
 366                 echo " <input type=\"submit\" value=\"$strcancel\" />";
 367                 echo "</form>";
 368                 echo "</td></tr></table>";
 369             }
 370             html_footer();
 371             break;
 372
 373         case "edit":
 374             html_header($course, $wdir);
 375             if (($text != '') and confirm_sesskey()) {
 376                 $fileptr = fopen($basedir.'/'.$file,"w");
 377                 $text = preg_replace('/\x0D/', '', $text);  // http://moodle.org/mod/forum/discuss.php?d=38860
 378                 fputs($fileptr, stripslashes($text));
 379                 fclose($fileptr);
 380                 displaydir($wdir);
 381
 382             } else {
 383                 $streditfile = get_string("edit", "", "<b>$file</b>");
 384                 $fileptr  = fopen($basedir.'/'.$file, "r");
 385                 $contents = fread($fileptr, filesize($basedir.'/'.$file));
 386                 fclose($fileptr);
 387
 388                 if (mimeinfo("type", $file) == "text/html") {
 389                     $usehtmleditor = can_use_html_editor();
 390                 } else {
 391                     $usehtmleditor = false;
 392                 }
 393                 $usehtmleditor = false;    // Always keep it off for now
 394
 395                 print_heading("$streditfile");
 396
 397                 echo "<table><tr><td colspan=\"2\">";
 398                 echo "<form action=\"index.php\" method=\"post\">";
 399                 echo ' <input type="hidden" name="choose" value="'.$choose.'" />';
 400                 echo " <input type=\"hidden\" name=\"id\" value=\"$id\" />";
 401                 echo " <input type=\"hidden\" name=\"wdir\" value=\"$wdir\" />";
 402                 echo " <input type=\"hidden\" name=\"file\" value=\"$file\" />";
 403                 echo " <input type=\"hidden\" name=\"action\" value=\"edit\" />";
 404                 echo " <input type=\"hidden\" name=\"sesskey\" value=\"$USER->sesskey\" />";
 405                 print_textarea($usehtmleditor, 25, 80, 680, 400, "text", $contents);
 406                 echo "</td></tr><tr><td>";
 407                 echo " <input type=\"submit\" value=\"".get_string("savechanges")."\" />";
 408                 echo "</form>";
 409                 echo "</td><td>";
 410                 echo "<form action=\"index.php\" method=\"get\">";
 411                 echo ' <input type="hidden" name="choose" value="'.$choose.'" />';
 412                 echo " <input type=\"hidden\" name=\"id\" value=\"$id\" />";
 413                 echo " <input type=\"hidden\" name=\"wdir\" value=\"$wdir\" />";
 414                 echo " <input type=\"hidden\" name=\"action\" value=\"cancel\" />";
 415                 echo " <input type=\"submit\" value=\"".get_string("cancel")."\" />";
 416                 echo "</form>";
 417                 echo "</td></tr></table>";
 418
 419                 if ($usehtmleditor) {
 420                     use_html_editor();
 421                 }
 422
 423
 424             }
 425             html_footer();
 426             break;
 427
 428         case "zip":
 429             if (($name != '') and confirm_sesskey()) {
 430                 html_header($course, $wdir);
 431                 $name = clean_filename($name);
 432
 433                 $files = array();
 434                 foreach ($USER->filelist as $file) {
 435                    $files[] = "$basedir/$file";
 436                 }
 437
 438                 if (!zip_files($files,"$basedir$wdir/$name")) {
 439                     error(get_string("zipfileserror","error"));
 440                 }
 441
 442                 clearfilelist();
 443                 displaydir($wdir);
 444
 445             } else {
 446                 html_header($course, $wdir, "form.name");
 447
 448                 if (setfilelist($_POST)) {
 449                     echo "<p align=\"center\">".get_string("youareabouttocreatezip").":</p>";
 450                     print_simple_box_start("center");
 451                     printfilelist($USER->filelist);
 452                     print_simple_box_end();
 453                     echo "<br />";
 454                     echo "<p align=\"center\">".get_string("whattocallzip")."</p>";
 455                     echo "<table><tr><td>";
 456                     echo "<form action=\"index.php\" method=\"post\">";
 457                     echo ' <input type="hidden" name="choose" value="'.$choose.'" />';
 458                     echo " <input type=\"hidden\" name=\"id\" value=\"$id\" />";
 459                     echo " <input type=\"hidden\" name=\"wdir\" value=\"$wdir\" />";
 460                     echo " <input type=\"hidden\" name=\"action\" value=\"zip\" />";
 461                     echo " <input type=\"text\" name=\"name\" size=\"35\" value=\"new.zip\" />";
 462                     echo " <input type=\"hidden\" name=\"sesskey\" value=\"$USER->sesskey\" />";
 463                     echo " <input type=\"submit\" value=\"".get_string("createziparchive")."\" />";
 464                     echo "</form>";
 465                     echo "</td><td>";
 466                     echo "<form action=\"index.php\" method=\"get\">";
 467                     echo ' <input type="hidden" name="choose" value="'.$choose.'" />';
 468                     echo " <input type=\"hidden\" name=\"id\" value=\"$id\" />";
 469                     echo " <input type=\"hidden\" name=\"wdir\" value=\"$wdir\" />";
 470                     echo " <input type=\"hidden\" name=\"action\" value=\"cancel\" />";
 471                     echo " <input type=\"submit\" value=\"".get_string("cancel")."\" />";
 472                     echo "</form>";
 473                     echo "</td></tr></table>";
 474                 } else {
 475                     displaydir($wdir);
 476                     clearfilelist();
 477                 }
 478             }
 479             html_footer();
 480             break;
 481
 482         case "unzip":
 483             html_header($course, $wdir);
 484             if (($file != '') and confirm_sesskey()) {
 485                 $strok = get_string("ok");
 486                 $strunpacking = get_string("unpacking", "", $file);
 487
 488                 echo "<p align=\"center\">$strunpacking:</p>";
 489
 490                 $file = basename($file);
 491
 492                 if (!unzip_file("$basedir$wdir/$file")) {
 493                     error(get_string("unzipfileserror","error"));
 494                 }
 495
 496                 echo "<center><form action=\"index.php\" method=\"get\">";
 497                 echo ' <input type="hidden" name="choose" value="'.$choose.'" />';
 498                 echo " <input type=\"hidden\" name=\"id\" value=\"$id\" />";
 499                 echo " <input type=\"hidden\" name=\"wdir\" value=\"$wdir\" />";
 500                 echo " <input type=\"hidden\" name=\"action\" value=\"cancel\" />";
 501                 echo " <input type=\"submit\" value=\"$strok\" />";
 502                 echo "</form>";
 503                 echo "</center>";
 504             } else {
 505                 displaydir($wdir);
 506             }
 507             html_footer();
 508             break;
 509
 510         case "listzip":
 511             html_header($course, $wdir);
 512             if (($file != '') and confirm_sesskey()) {
 513                 $strname = get_string("name");
 514                 $strsize = get_string("size");
 515                 $strmodified = get_string("modified");
 516                 $strok = get_string("ok");
 517                 $strlistfiles = get_string("listfiles", "", $file);
 518
 519                 echo "<p align=\"center\">$strlistfiles:</p>";
 520                 $file = basename($file);
 521
 522                 include_once("$CFG->libdir/pclzip/pclzip.lib.php");
 523                 $archive = new PclZip(cleardoubleslashes("$basedir$wdir/$file"));
 524                 if (!$list = $archive->listContent(cleardoubleslashes("$basedir$wdir"))) {
 525                     notify($archive->errorInfo(true));
 526
 527                 } else {
 528                     echo "<table cellpadding=\"4\" cellspacing=\"2\" border=\"0\" width=\"640\" class=\"files\">";
 529                     echo "<tr class=\"file\"><th align=\"left\" class=\"header name\" scope=\"col\">$strname</th><th align=\"right\" class=\"header size\" scope=\"col\">$strsize</th><th align=\"right\" class=\"header date\" scope=\"col\">$strmodified</th></tr>";
 530                     foreach ($list as $item) {
 531                         echo "<tr>";
 532                         print_cell("left", s($item['filename']), 'name');
 533                         if (! $item['folder']) {
 534                             print_cell("right", display_size($item['size']), 'size');
 535                         } else {
 536                             echo "<td>&nbsp;</td>";
 537                         }
 538                         $filedate  = userdate($item['mtime'], get_string("strftimedatetime"));
 539                         print_cell("right", $filedate, 'date');
 540                         echo "</tr>";
 541                     }
 542                     echo "</table>";
 543                 }
 544                 echo "<br /><center><form action=\"index.php\" method=\"get\">";
 545                 echo ' <input type="hidden" name="choose" value="'.$choose.'" />';
 546                 echo " <input type=\"hidden\" name=\"id\" value=\"$id\" />";
 547                 echo " <input type=\"hidden\" name=\"wdir\" value=\"$wdir\" />";
 548                 echo " <input type=\"hidden\" name=\"action\" value=\"cancel\" />";
 549                 echo " <input type=\"submit\" value=\"$strok\" />";
 550                 echo "</form>";
 551                 echo "</center>";
 552             } else {
 553                 displaydir($wdir);
 554             }
 555             html_footer();
 556             break;
 557
 558         case "restore":
 559             html_header($course, $wdir);
 560             if (($file != '') and confirm_sesskey()) {
 561                 echo "<p align=\"center\">".get_string("youaregoingtorestorefrom").":</p>";
 562                 print_simple_box_start("center");
 563                 echo $file;
 564                 print_simple_box_end();
 565                 echo "<br />";
 566                 echo "<p align=\"center\">".get_string("areyousuretorestorethisinfo")."</p>";
 567                 $restore_path = "$CFG->wwwroot/backup/restore.php";
 568                 notice_yesno (get_string("areyousuretorestorethis"),
 569                                 $restore_path."?id=".$id."&amp;file=".cleardoubleslashes($id.$wdir."/".$file)."&amp;method=manual",
 570                                 "index.php?id=$id&amp;wdir=$wdir&amp;action=cancel");
 571             } else {
 572                 displaydir($wdir);
 573             }
 574             html_footer();
 575             break;
 576
 577         case "cancel":
 578             clearfilelist();
 579
 580         default:
 581             html_header($course, $wdir);
 582             displaydir($wdir);
 583             html_footer();
 584             break;
 585 }
 586
 587
 588 /// FILE FUNCTIONS ///////////////////////////////////////////////////////////
 589
 590
 591 function setfilelist($VARS) {
 592     global $USER;
 593
 594     $USER->filelist = array ();
 595     $USER->fileop = "";
 596
 597     $count = 0;
 598     foreach ($VARS as $key => $val) {
 599         if (substr($key,0,4) == "file") {
 600             $count++;
 601             $val = rawurldecode($val);
 602             $USER->filelist[] = clean_param($val, PARAM_PATH);
 603         }
 604     }
 605     return $count;
 606 }
 607
 608 function clearfilelist() {
 609     global $USER;
 610
 611     $USER->filelist = array ();
 612     $USER->fileop = "";
 613 }
 614
 615
 616 function printfilelist($filelist) {
 617     global $CFG, $basedir;
 618
 619     $strfolder = get_string("folder");
 620     $strfile   = get_string("file");
 621
 622     foreach ($filelist as $file) {
 623         if (is_dir($basedir.'/'.$file)) {
 624             echo "<img src=\"$CFG->pixpath/f/folder.gif\" class=\"icon\" alt=\"$strfolder\" /> $file<br />";
 625             $subfilelist = array();
 626             $currdir = opendir($basedir.'/'.$file);
 627             while (false !== ($subfile = readdir($currdir))) {
 628                 if ($subfile <> ".." && $subfile <> ".") {
 629                     $subfilelist[] = $file."/".$subfile;
 630                 }
 631             }
 632             printfilelist($subfilelist);
 633
 634         } else {
 635             $icon = mimeinfo("icon", $file);
 636             echo "<img src=\"$CFG->pixpath/f/$icon\"  class=\"icon\" alt=\"$strfile\" /> $file<br />";
 637         }
 638     }
 639 }
 640
 641
 642 function print_cell($alignment='center', $text='&nbsp;', $class='') {
 643     if ($class) {
 644         $class = ' class="'.$class.'"';
 645     }
 646     echo '<td align="'.$alignment.'" nowrap="nowrap"'.$class.'>'.$text.'</td>';
 647 }
 648
 649 function displaydir ($wdir) {
 650 //  $wdir == / or /a or /a/b/c/d  etc
 651
 652     global $basedir;
 653     global $id;
 654     global $USER, $CFG;
 655     global $choose;
 656
 657     $fullpath = $basedir.$wdir;
 658     $dirlist = array();
 659
 660     $directory = opendir($fullpath);             // Find all files
 661     while (false !== ($file = readdir($directory))) {
 662         if ($file == "." || $file == "..") {
 663             continue;
 664         }
 665
 666         if (is_dir($fullpath."/".$file)) {
 667             $dirlist[] = $file;
 668         } else {
 669             $filelist[] = $file;
 670         }
 671     }
 672     closedir($directory);
 673
 674     $strname = get_string("name");
 675     $strsize = get_string("size");
 676     $strmodified = get_string("modified");
 677     $straction = get_string("action");
 678     $strmakeafolder = get_string("makeafolder");
 679     $struploadafile = get_string("uploadafile");
 680     $strselectall = get_string("selectall");
 681     $strselectnone = get_string("deselectall");
 682     $strwithchosenfiles = get_string("withchosenfiles");
 683     $strmovetoanotherfolder = get_string("movetoanotherfolder");
 684     $strmovefilestohere = get_string("movefilestohere");
 685     $strdeletecompletely = get_string("deletecompletely");
 686     $strcreateziparchive = get_string("createziparchive");
 687     $strrename = get_string("rename");
 688     $stredit   = get_string("edit");
 689     $strunzip  = get_string("unzip");
 690     $strlist   = get_string("list");
 691     $strrestore= get_string("restore");
 692     $strchoose = get_string("choose");
 693     $strfolder = get_string("folder");
 694     $strfile   = get_string("file");
 695
 696
 697     echo "<form action=\"index.php\" method=\"post\" id=\"dirform\">";
 698     echo '<input type="hidden" name="choose" value="'.$choose.'" />';
 699     echo "<hr width=\"640\" align=\"center\" noshade=\"noshade\" size=\"1\" />";
 700     echo "<table border=\"0\" cellspacing=\"2\" cellpadding=\"2\" width=\"640\" class=\"files\">";
 701     echo "<tr>";
 702     echo "<th width=\"5\" scope=\"col\"></th>";
 703     echo "<th align=\"left\" class=\"header name\" scope=\"col\">$strname</th>";
 704     echo "<th align=\"right\" class=\"header size\" scope=\"col\">$strsize</th>";
 705     echo "<th align=\"right\" class=\"header date\" scope=\"col\">$strmodified</th>";
 706     echo "<th align=\"right\" class=\"header commands\" scope=\"col\">$straction</th>";
 707     echo "</tr>\n";
 708
 709     if ($wdir != "/") {
 710         $dirlist[] = '..';
 711     }
 712
 713     $count = 0;
 714
 715     if (!empty($dirlist)) {
 716         asort($dirlist);
 717         foreach ($dirlist as $dir) {
 718             echo "<tr class=\"folder\">";
 719
 720             if ($dir == '..') {
 721                 $fileurl = rawurlencode(dirname($wdir));
 722                 print_cell();
 723                 // alt attribute intentionally empty to prevent repetition in screen reader
 724                 print_cell('left', '<a href="index.php?id='.$id.'&amp;wdir='.$fileurl.'&amp;choose='.$choose.'"><img src="'.$CFG->pixpath.'/f/parent.gif" class="icon" alt="" />&nbsp;'.get_string('parentfolder').'</a>', 'name');
 725                 print_cell();
 726                 print_cell();
 727                 print_cell();
 728
 729             } else {
 730                 $count++;
 731                 $filename = $fullpath."/".$dir;
 732                 $fileurl  = rawurlencode($wdir."/".$dir);
 733                 $filesafe = rawurlencode($dir);
 734                 $filesize = display_size(get_directory_size("$fullpath/$dir"));
 735                 $filedate = userdate(filemtime($filename), "%d %b %Y, %I:%M %p");
 736                 print_cell("center", "<input type=\"checkbox\" name=\"file$count\" value=\"$fileurl\" />", 'checkbox');
 737                 print_cell("left", "<a href=\"index.php?id=$id&amp;wdir=$fileurl&amp;choose=$choose\"><img src=\"$CFG->pixpath/f/folder.gif\" class=\"icon\" alt=\"$strfolder\" />&nbsp;".htmlspecialchars($dir)."</a>", 'name');
 738                 print_cell("right", $filesize, 'size');
 739                 print_cell("right", $filedate, 'date');
 740                 print_cell("right", "<a href=\"index.php?id=$id&amp;wdir=$wdir&amp;file=$filesafe&amp;action=rename&amp;choose=$choose\">$strrename</a>", 'commands');
 741             }
 742
 743             echo "</tr>";
 744         }
 745     }
 746
 747
 748     if (!empty($filelist)) {
 749         asort($filelist);
 750         foreach ($filelist as $file) {
 751
 752             $icon = mimeinfo("icon", $file);
 753
 754             $count++;
 755             $filename    = $fullpath."/".$file;
 756             $fileurl     = trim($wdir, "/")."/$file";
 757             $filesafe    = rawurlencode($file);
 758             $fileurlsafe = rawurlencode($fileurl);
 759             $filedate    = userdate(filemtime($filename), "%d %b %Y, %I:%M %p");
 760
 761             $selectfile = trim($fileurl, "/");
 762
 763             echo "<tr class=\"file\">";
 764
 765             print_cell("center", "<input type=\"checkbox\" name=\"file$count\" value=\"$fileurl\" />", 'checkbox');
 766             echo "<td align=\"left\" nowrap=\"nowrap\" class=\"name\">";
 767             if ($CFG->slasharguments) {
 768                 $ffurl = str_replace('//', '/', "/file.php/$id/$fileurl");
 769             } else {
 770                 $ffurl = str_replace('//', '/', "/file.php?file=/$id/$fileurl");
 771             }
 772             link_to_popup_window ($ffurl, "display",
 773                                   "<img src=\"$CFG->pixpath/f/$icon\" class=\"icon\" alt=\"$strfile\" />&nbsp;".htmlspecialchars($file),
 774                                   480, 640);
 775             echo "</td>";
 776
 777             $file_size = filesize($filename);
 778             print_cell("right", display_size($file_size), 'size');
 779             print_cell("right", $filedate, 'date');
 780
 781             if ($choose) {
 782                 $edittext = "<strong><a onclick=\"return set_value('$selectfile')\" href=\"#\">$strchoose</a></strong>&nbsp;";
 783             } else {
 784                 $edittext = '';
 785             }
 786
 787
 788             if ($icon == "text.gif" || $icon == "html.gif") {
 789                 $edittext .= "<a href=\"index.php?id=$id&amp;wdir=$wdir&amp;file=$fileurl&amp;action=edit&amp;choose=$choose\">$stredit</a>";
 790             } else if ($icon == "zip.gif") {
 791                 $edittext .= "<a href=\"index.php?id=$id&amp;wdir=$wdir&amp;file=$fileurl&amp;action=unzip&amp;sesskey=$USER->sesskey&amp;choose=$choose\">$strunzip</a>&nbsp;";
 792                 $edittext .= "<a href=\"index.php?id=$id&amp;wdir=$wdir&amp;file=$fileurl&amp;action=listzip&amp;sesskey=$USER->sesskey&amp;choose=$choose\">$strlist</a> ";
 793                 if (!empty($CFG->backup_version) and has_capability('moodle/site:restore', get_context_instance(CONTEXT_COURSE, $id))) {
 794                     $edittext .= "<a href=\"index.php?id=$id&amp;wdir=$wdir&amp;file=$filesafe&amp;action=restore&amp;sesskey=$USER->sesskey&amp;choose=$choose\">$strrestore</a> ";
 795                 }
 796             }
 797
 798             print_cell("right", "$edittext <a href=\"index.php?id=$id&amp;wdir=$wdir&amp;file=$filesafe&amp;action=rename&amp;choose=$choose\">$strrename</a>", 'commands');
 799
 800             echo "</tr>";
 801         }
 802     }
 803     echo "</table>";
 804     echo "<hr width=\"640\" align=\"center\" noshade=\"noshade\" size=\"1\" />";
 805
 806     echo "<table border=\"0\" cellspacing=\"2\" cellpadding=\"2\" width=\"640\">";
 807     echo "<tr><td>";
 808     echo "<input type=\"hidden\" name=\"id\" value=\"$id\" />";
 809     echo '<input type="hidden" name="choose" value="'.$choose.'" />';
 810     echo "<input type=\"hidden\" name=\"wdir\" value=\"$wdir\" /> ";
 811     echo "<input type=\"hidden\" name=\"sesskey\" value=\"$USER->sesskey\" />";
 812     $options = array (
 813                    "move" => "$strmovetoanotherfolder",
 814                    "delete" => "$strdeletecompletely",
 815                    "zip" => "$strcreateziparchive"
 816                );
 817     if (!empty($count)) {
 818         choose_from_menu ($options, "action", "", "$strwithchosenfiles...", "javascript:getElementById('dirform').submit()");
 819     }
 820     echo "</td></tr></table>";
 821     echo "</form>";
 822     echo "<table border=\"0\" cellspacing=\"2\" cellpadding=\"2\" width=\"640\"><tr>";
 823     echo "<td align=\"center\">";
 824     if (!empty($USER->fileop) and ($USER->fileop == "move") and ($USER->filesource <> $wdir)) {
 825         echo "<form action=\"index.php\" method=\"get\">";
 826         echo ' <input type="hidden" name="choose" value="'.$choose.'" />';
 827         echo " <input type=\"hidden\" name=\"id\" value=\"$id\" />";
 828         echo " <input type=\"hidden\" name=\"wdir\" value=\"$wdir\" />";
 829         echo " <input type=\"hidden\" name=\"action\" value=\"paste\" />";
 830         echo " <input type=\"hidden\" name=\"sesskey\" value=\"$USER->sesskey\" />";
 831         echo " <input type=\"submit\" value=\"$strmovefilestohere\" />";
 832         echo "</form>";
 833     }
 834     echo "</td>";
 835     echo "<td align=\"right\">";
 836         echo "<form action=\"index.php\" method=\"get\">";
 837         echo ' <input type="hidden" name="choose" value="'.$choose.'" />';
 838         echo " <input type=\"hidden\" name=\"id\" value=\"$id\" />";
 839         echo " <input type=\"hidden\" name=\"wdir\" value=\"$wdir\" />";
 840         echo " <input type=\"hidden\" name=\"action\" value=\"makedir\" />";
 841         echo " <input type=\"submit\" value=\"$strmakeafolder\" />";
 842         echo "</form>";
 843     echo "</td>";
 844     echo "<td align=\"right\">";
 845         echo "<form action=\"index.php\" method=\"get\">"; //dummy form - alignment only
 846         echo " <input type=\"button\" value=\"$strselectall\" onclick=\"checkall();\" />";
 847         echo " <input type=\"button\" value=\"$strselectnone\" onclick=\"uncheckall();\" />";
 848         echo "</form>";
 849     echo "</td>";
 850     echo "<td align=\"right\">";
 851         echo "<form action=\"index.php\" method=\"get\">";
 852         echo ' <input type="hidden" name="choose" value="'.$choose.'" />';
 853         echo " <input type=\"hidden\" name=\"id\" value=\"$id\" />";
 854         echo " <input type=\"hidden\" name=\"wdir\" value=\"$wdir\" />";
 855         echo " <input type=\"hidden\" name=\"action\" value=\"upload\" />";
 856         echo " <input type=\"submit\" value=\"$struploadafile\" />";
 857         echo "</form>";
 858     echo "</td></tr>";
 859     echo "</table>";
 860     echo "<hr width=\"640\" align=\"center\" noshade=\"noshade\" size=\"1\" />";
 861
 862 }
 863
 864 ?>