upload.php 22 KB

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  1. <?php // $Id: upload.php 18203 2009-02-03 18:02:16Z ndieschburg $
  2. /*
  3. ==============================================================================
  4. Dokeos - elearning and course management software
  5. Copyright (c) 2004-2005 Dokeos S.A.
  6. Copyright (c) 2003 Ghent University (UGent)
  7. Copyright (c) 2001 Universite catholique de Louvain (UCL)
  8. Copyright (c) various contributors
  9. For a full list of contributors, see "credits.txt".
  10. The full license can be read in "license.txt".
  11. This program is free software; you can redistribute it and/or
  12. modify it under the terms of the GNU General Public License
  13. as published by the Free Software Foundation; either version 2
  14. of the License, or (at your option) any later version.
  15. See the GNU General Public License for more details.
  16. Contact: Dokeos, 181 rue Royale, B-1000 Brussels, Belgium, info@dokeos.com
  17. ==============================================================================
  18. */
  19. /**
  20. ==============================================================================
  21. * Main script for the documents tool
  22. *
  23. * This script allows the user to manage files and directories on a remote http server.
  24. *
  25. * The user can : - navigate through files and directories.
  26. * - upload a file
  27. * - delete, copy a file or a directory
  28. * - edit properties & content (name, comments, html content)
  29. *
  30. * The script is organised in four sections.
  31. *
  32. * 1) Execute the command called by the user
  33. * Note: somme commands of this section are organised in two steps.
  34. * The script always begins with the second step,
  35. * so it allows to return more easily to the first step.
  36. *
  37. * Note (March 2004) some editing functions (renaming, commenting)
  38. * are moved to a separate page, edit_document.php. This is also
  39. * where xml and other stuff should be added.
  40. *
  41. * 2) Define the directory to display
  42. *
  43. * 3) Read files and directories from the directory defined in part 2
  44. * 4) Display all of that on an HTML page
  45. *
  46. * @todo eliminate code duplication between
  47. * document/document.php, scormdocument.php
  48. *
  49. * @package dokeos.document
  50. ==============================================================================
  51. */
  52. /*
  53. ==============================================================================
  54. INIT SECTION
  55. ==============================================================================
  56. */
  57. // name of the language file that needs to be included
  58. $language_file = 'document';
  59. // global settings initialisation
  60. // also provides access to main api (inc/lib/main_api.lib.php)
  61. include("../inc/global.inc.php");
  62. include('document.inc.php');
  63. $htmlHeadXtra[] =
  64. "<script type=\"text/javascript\">
  65. <!-- //
  66. function check_unzip() {
  67. if(document.upload.unzip.checked==true){
  68. document.upload.if_exists[0].disabled=true;
  69. document.upload.if_exists[1].checked=true;
  70. document.upload.if_exists[2].disabled=true;
  71. }
  72. else {
  73. document.upload.if_exists[0].checked=true;
  74. document.upload.if_exists[0].disabled=false;
  75. document.upload.if_exists[2].disabled=false;
  76. }
  77. }
  78. // -->
  79. </script>";
  80. /**
  81. * Obtains the text inside the file with the right parser
  82. */
  83. function get_text_content($doc_path, $doc_mime) {
  84. // TODO: review w$ compatibility
  85. // use usual exec output lines array to store stdout instead of a temp file
  86. // because we need to store it at RAM anyway before index on DokeosIndexer object
  87. $ret_val = NULL;
  88. switch ($doc_mime) {
  89. case 'text/plain':
  90. $handle = fopen($doc_path, "r");
  91. $output = array(fread($handle, filesize($doc_path)));
  92. fclose($handle);
  93. break;
  94. case 'application/pdf':
  95. exec("pdftotext $doc_path -", $output, $ret_val);
  96. break;
  97. case 'application/postscript':
  98. $temp_file = tempnam(sys_get_temp_dir(), 'dokeos');
  99. exec("ps2pdf $doc_path $temp_file", $output, $ret_val);
  100. if ($ret_val !== 0) { // shell fail, probably 127 (command not found)
  101. return FALSE;
  102. }
  103. exec("pdftotext $temp_file -", $output, $ret_val);
  104. unlink($temp_file);
  105. var_dump($output);
  106. break;
  107. case 'application/msword':
  108. exec("catdoc $doc_path", $output, $ret_val);
  109. var_dump($output);
  110. break;
  111. case 'text/html':
  112. exec("html2text $doc_path", $output, $ret_val);
  113. break;
  114. case 'text/rtf':
  115. // note: correct handling of code pages in unrtf
  116. // on debian lenny unrtf v0.19.2 can not, but unrtf v0.20.5 can
  117. exec("unrtf --text $doc_path", $output, $ret_val);
  118. if ($ret_val == 127) { // command not found
  119. return FALSE;
  120. }
  121. // avoid index unrtf comments
  122. if (is_array($output) && count($output)>1) {
  123. $parsed_output = array();
  124. foreach ($output as $line) {
  125. if (!preg_match('/^###/', $line, $matches)) {
  126. if (!empty($line)) {
  127. $parsed_output[] = $line;
  128. }
  129. }
  130. }
  131. $output = $parsed_output;
  132. }
  133. break;
  134. case 'application/vnd.ms-powerpoint':
  135. exec("catppt $doc_path", $output, $ret_val);
  136. break;
  137. case 'application/vnd.ms-excel':
  138. exec("xls2csv -c\" \" $doc_path", $output, $ret_val);
  139. break;
  140. }
  141. $content = '';
  142. if (!is_null($ret_val)) {
  143. if ($ret_val !== 0) { // shell fail, probably 127 (command not found)
  144. return FALSE;
  145. }
  146. }
  147. if (isset($output)) {
  148. foreach ( $output as $line ) {
  149. $content .= $line ."\n";
  150. }
  151. return $content;
  152. }
  153. else {
  154. return FALSE;
  155. }
  156. }
  157. /*
  158. -----------------------------------------------------------
  159. Variables
  160. - some need defining before inclusion of libraries
  161. -----------------------------------------------------------
  162. */
  163. $is_allowed_to_edit = api_is_allowed_to_edit();
  164. $courseDir = $_course['path']."/document";
  165. $sys_course_path = api_get_path(SYS_COURSE_PATH);
  166. $base_work_dir = $sys_course_path.$courseDir;
  167. $noPHP_SELF=true;
  168. //this needs cleaning!
  169. if(isset($_SESSION['_gid']) && $_SESSION['_gid']!='') //if the group id is set, check if the user has the right to be here
  170. {
  171. //needed for group related stuff
  172. include_once(api_get_path(LIBRARY_PATH) . 'groupmanager.lib.php');
  173. //get group info
  174. $group_properties = GroupManager::get_group_properties($_SESSION['_gid']);
  175. $noPHP_SELF=true;
  176. if($is_allowed_to_edit || GroupManager::is_user_in_group($_user['user_id'],$_SESSION['_gid'])) //only courseadmin or group members allowed
  177. {
  178. $to_group_id = $_SESSION['_gid'];
  179. $req_gid = '&amp;gidReq='.$_SESSION['_gid'];
  180. $interbreadcrumb[]= array ("url"=>"../group/group_space.php?gidReq=".$_SESSION['_gid'], "name"=> get_lang('GroupSpace'));
  181. }
  182. else
  183. {
  184. api_not_allowed(true);
  185. }
  186. }
  187. elseif($is_allowed_to_edit) //admin for "regular" upload, no group documents
  188. {
  189. $to_group_id = 0;
  190. $req_gid = '';
  191. }
  192. else //no course admin and no group member...
  193. {
  194. api_not_allowed(true);
  195. }
  196. //what's the current path?
  197. if(isset($_GET['path']) && $_GET['path']!='')
  198. {
  199. $path = $_GET['path'];
  200. }
  201. elseif (isset($_POST['curdirpath']))
  202. {
  203. $path = $_POST['curdirpath'];
  204. }
  205. else
  206. {
  207. $path = '/';
  208. }
  209. /*
  210. -----------------------------------------------------------
  211. Libraries
  212. -----------------------------------------------------------
  213. */
  214. //many useful functions in main_api.lib.php, by default included
  215. include_once(api_get_path(LIBRARY_PATH) . 'fileUpload.lib.php');
  216. include_once(api_get_path(LIBRARY_PATH) . 'events.lib.inc.php');
  217. include_once(api_get_path(LIBRARY_PATH) . 'document.lib.php');
  218. require_once(api_get_path(LIBRARY_PATH) . 'specific_fields_manager.lib.php');
  219. //check the path
  220. //if the path is not found (no document id), set the path to /
  221. if(!DocumentManager::get_document_id($_course,$path))
  222. {
  223. $path = '/';
  224. }
  225. //group docs can only be uploaded in the group directory
  226. if($to_group_id!=0 && $path=='/')
  227. {
  228. $path = $group_properties['directory'];
  229. }
  230. //if we want to unzip a file, we need the library
  231. if (isset($_POST['unzip']) && $_POST['unzip'] == 1)
  232. {
  233. include(api_get_path(LIBRARY_PATH).'pclzip/pclzip.lib.php');
  234. }
  235. /*
  236. -----------------------------------------------------------
  237. Variables
  238. -----------------------------------------------------------
  239. */
  240. $max_filled_space = DocumentManager::get_course_quota();
  241. /*
  242. -----------------------------------------------------------
  243. Header
  244. -----------------------------------------------------------
  245. */
  246. $nameTools = get_lang('UplUploadDocument');
  247. $interbreadcrumb[]=array("url"=>"./document.php?curdirpath=".urlencode($path).$req_gid, "name"=> $langDocuments);
  248. Display::display_header($nameTools,"Doc");
  249. if($to_group_id !=0) //add group name after for group documents
  250. {
  251. $add_group_to_title = ' ('.$group_properties['name'].')';
  252. }
  253. //show the title
  254. api_display_tool_title($nameTools.$add_group_to_title);
  255. /*
  256. -----------------------------------------------------------
  257. Here we do all the work
  258. -----------------------------------------------------------
  259. */
  260. //user has submitted a file
  261. if(isset($_FILES['user_upload']))
  262. {
  263. //echo("<pre>");
  264. //print_r($_FILES['user_upload']);
  265. //echo("</pre>");
  266. $upload_ok = process_uploaded_file($_FILES['user_upload']);
  267. if($upload_ok)
  268. {
  269. //file got on the server without problems, now process it
  270. $new_path = handle_uploaded_document($_course, $_FILES['user_upload'],$base_work_dir,$_POST['curdirpath'],$_user['user_id'],$to_group_id,$to_user_id,$max_filled_space,$_POST['unzip'],$_POST['if_exists']);
  271. $new_comment = isset($_POST['comment']) ? trim($_POST['comment']) : '';
  272. $new_title = isset($_POST['title']) ? trim($_POST['title']) : '';
  273. if ($new_path && ($new_comment || $new_title))
  274. if (($docid = DocumentManager::get_document_id($_course, $new_path)))
  275. {
  276. $table_document = Database::get_course_table(TABLE_DOCUMENT);
  277. $ct = '';
  278. if ($new_comment) $ct .= ", comment='$new_comment'";
  279. if ($new_title) $ct .= ", title='$new_title'";
  280. api_sql_query("UPDATE $table_document SET" . substr($ct, 1) .
  281. " WHERE id = '$docid'", __FILE__, __LINE__);
  282. }
  283. if ( (api_get_setting('search_enabled')=='true') && ($docid = DocumentManager::get_document_id($_course, $new_path))) {
  284. $table_document = Database::get_course_table(TABLE_DOCUMENT);
  285. $result = api_sql_query("SELECT * FROM $table_document WHERE id = '$docid' LIMIT 1", __FILE__, __LINE__);
  286. if (mysql_num_rows($result) == 1) {
  287. $row = mysql_fetch_array($result);
  288. $doc_path = api_get_path(SYS_COURSE_PATH) . $courseDir. $row['path'];
  289. //TODO: mime_content_type is deprecated, fileinfo php extension is enabled by default as of PHP 5.3.0
  290. // now versions of PHP on Debian testing(5.2.6-5) and Ubuntu(5.2.6-2ubuntu) are lower, so wait for a while
  291. $doc_mime = mime_content_type($doc_path);
  292. //echo $doc_mime;
  293. //TODO: more mime types
  294. $allowed_mime_types = array('text/plain', 'application/pdf', 'application/postscript', 'application/msword', 'text/html', 'text/rtf', 'application/vnd.ms-powerpoint', 'application/vnd.ms-excel');
  295. // mime_content_type does not detect correctly some formats that are going to be supported for index, so an extensions array is used by the moment
  296. if (empty($doc_mime)) {
  297. $allowed_extensions = array('ppt', 'pps', 'xls');
  298. $extensions = preg_split("/[\/\\.]/", $doc_path) ;
  299. $doc_ext = $extensions[count($extensions)-1];
  300. if (in_array($doc_ext, $allowed_extensions)) {
  301. switch ($doc_ext) {
  302. case 'ppt':
  303. case 'pps':
  304. $doc_mime = 'application/vnd.ms-powerpoint';
  305. break;
  306. case 'xls':
  307. $doc_mime = 'application/vnd.ms-excel';
  308. break;
  309. }
  310. }
  311. }
  312. if (in_array($doc_mime, $allowed_mime_types) && isset($_POST['index_document']) && $_POST['index_document']) {
  313. $file_title = $row['title'];
  314. $file_content = get_text_content($doc_path, $doc_mime);
  315. $courseid = api_get_course_id();
  316. isset($_POST['language'])? $lang=Database::escape_string($_POST['language']): $lang = 'english';
  317. require_once(api_get_path(LIBRARY_PATH).'search/DokeosIndexer.class.php');
  318. require_once(api_get_path(LIBRARY_PATH).'search/IndexableChunk.class.php');
  319. $ic_slide = new IndexableChunk();
  320. $ic_slide->addValue("title", $file_title);
  321. $ic_slide->addCourseId($courseid);
  322. $ic_slide->addToolId(TOOL_DOCUMENT);
  323. $xapian_data = array(
  324. SE_COURSE_ID => $courseid,
  325. SE_TOOL_ID => TOOL_DOCUMENT,
  326. SE_DATA => array('doc_id' => (int)$docid),
  327. SE_USER => (int)api_get_user_id(),
  328. );
  329. $ic_slide->xapian_data = serialize($xapian_data);
  330. $di = new DokeosIndexer();
  331. $di->connectDb(NULL, NULL, $lang);
  332. $specific_fields = get_specific_field_list();
  333. // process different depending on what to do if file exists
  334. /**
  335. * FIXME: Find a way to really verify if the file had been
  336. * overwriten. Now all work is done at
  337. * handle_uploaded_document() and it's difficult to verify it
  338. */
  339. if (!empty($_POST['if_exists']) && $_POST['if_exists'] == 'overwrite') {
  340. // overwrite the file on search engine
  341. // actually, it consists on delete terms from db, insert new ones, create a new search engine document, and remove the old one
  342. // get search_did
  343. $tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
  344. $sql = 'SELECT * FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s LIMIT 1';
  345. $sql = sprintf($sql, $tbl_se_ref, $courseid, TOOL_DOCUMENT, $docid);
  346. $res = api_sql_query($sql, __FILE__, __LINE__);
  347. if (Database::num_rows($res) > 0) {
  348. $se_ref = Database::fetch_array($res);
  349. $di->remove_document((int)$se_ref['search_did']);
  350. $all_specific_terms = '';
  351. foreach ($specific_fields as $specific_field) {
  352. delete_all_specific_field_value($courseid, $specific_field['id'], TOOL_DOCUMENT, $docid);
  353. //update search engine
  354. $sterms = trim($_REQUEST[$specific_field['code']]);
  355. $all_specific_terms .= ' '. $sterms;
  356. $sterms = explode(',', $sterms);
  357. foreach ($sterms as $sterm) {
  358. $sterm = trim($sterm);
  359. if (!empty($sterm)) {
  360. $ic_slide->addTerm($sterm, $specific_field['code']);
  361. add_specific_field_value($specific_field['id'], $courseid, TOOL_DOCUMENT, $docid, $value);
  362. }
  363. }
  364. }
  365. // add terms also to content to make terms findable by probabilistic search
  366. $file_content = $all_specific_terms .' '. $file_content;
  367. $ic_slide->addValue("content", $file_content);
  368. $di->addChunk($ic_slide);
  369. //index and return a new search engine document id
  370. $did = $di->index();
  371. if ($did) {
  372. // update the search_did on db
  373. $tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
  374. $sql = 'UPDATE %s SET search_did=%d WHERE id=%d LIMIT 1';
  375. $sql = sprintf($sql, $tbl_se_ref, (int)$did, (int)$se_ref['id']);
  376. api_sql_query($sql,__FILE__,__LINE__);
  377. }
  378. }
  379. }
  380. else {
  381. // add all terms
  382. $all_specific_terms = '';
  383. foreach ($specific_fields as $specific_field) {
  384. if (isset($_REQUEST[$specific_field['code']])) {
  385. $sterms = trim($_REQUEST[$specific_field['code']]);
  386. $all_specific_terms .= ' '. $sterms;
  387. if (!empty($sterms)) {
  388. $sterms = explode(',', $sterms);
  389. foreach ($sterms as $sterm) {
  390. $ic_slide->addTerm(trim($sterm), $specific_field['code']);
  391. add_specific_field_value($specific_field['id'], $courseid, TOOL_DOCUMENT, $docid, $sterm);
  392. }
  393. }
  394. }
  395. }
  396. // add terms also to content to make terms findable by probabilistic search
  397. $file_content = $all_specific_terms .' '. $file_content;
  398. $ic_slide->addValue("content", $file_content);
  399. $di->addChunk($ic_slide);
  400. //index and return search engine document id
  401. $did = $di->index();
  402. if ($did) {
  403. // save it to db
  404. $tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
  405. $sql = 'INSERT INTO %s (id, course_code, tool_id, ref_id_high_level, search_did)
  406. VALUES (NULL , \'%s\', \'%s\', %s, %s)';
  407. $sql = sprintf($sql, $tbl_se_ref, $courseid, TOOL_DOCUMENT, $docid, $did);
  408. api_sql_query($sql,__FILE__,__LINE__);
  409. }
  410. }
  411. }
  412. }
  413. }
  414. //check for missing images in html files
  415. $missing_files = check_for_missing_files($base_work_dir.$new_path);
  416. if($missing_files)
  417. {
  418. //show a form to upload the missing files
  419. Display::display_normal_message(build_missing_files_form($missing_files,$_POST['curdirpath'],$_FILES['user_upload']['name']),false);
  420. }
  421. }
  422. }
  423. //missing images are submitted
  424. if(isset($_POST['submit_image']))
  425. {
  426. $number_of_uploaded_images = count($_FILES['img_file']['name']);
  427. //if images are uploaded
  428. if ($number_of_uploaded_images > 0)
  429. {
  430. //we could also create a function for this, I'm not sure...
  431. //create a directory for the missing files
  432. $img_directory = str_replace('.','_',$_POST['related_file']."_files");
  433. $missing_files_dir = create_unexisting_directory($_course,$_user['user_id'],$to_group_id,$to_user_id,$base_work_dir,$img_directory);
  434. //put the uploaded files in the new directory and get the paths
  435. $paths_to_replace_in_file = move_uploaded_file_collection_into_directory($_course, $_FILES['img_file'],$base_work_dir,$missing_files_dir,$_user['user_id'],$to_group_id,$to_user_id,$max_filled_space);
  436. //open the html file and replace the paths
  437. replace_img_path_in_html_file($_POST['img_file_path'],$paths_to_replace_in_file,$base_work_dir.$_POST['related_file']);
  438. //update parent folders
  439. item_property_update_on_folder($_course,$_POST['curdirpath'],$_user['user_id']);
  440. }
  441. }
  442. //they want to create a directory
  443. if(isset($_POST['create_dir']) && $_POST['dirname']!='')
  444. {
  445. $added_slash = ($path=='/')?'':'/';
  446. $dir_name = $path.$added_slash.replace_dangerous_char($_POST['dirname']);
  447. $created_dir = create_unexisting_directory($_course,$_user['user_id'],$to_group_id,$to_user_id,$base_work_dir,$dir_name,$_POST['dirname']);
  448. if($created_dir)
  449. {
  450. Display::display_confirmation_message(get_lang('DirCr'),false);
  451. $path = $created_dir;
  452. }
  453. else
  454. {
  455. display_error(get_lang('CannotCreateDir'));
  456. }
  457. }
  458. //tracking not needed here?
  459. //event_access_tool(TOOL_DOCUMENT);
  460. /*============================================================================*/
  461. ?>
  462. <?php
  463. //=======================================//
  464. //they want to create a new directory//
  465. //=======================================//
  466. if(isset($_GET['createdir']))
  467. {
  468. //create the form that asks for the directory name
  469. $new_folder_text = '<form action="'.api_get_self().'" method="POST">';
  470. $new_folder_text .= '<input type="hidden" name="curdirpath" value="'.$path.'"/>';
  471. $new_folder_text .= get_lang('NewDir') .' ';
  472. $new_folder_text .= '<input type="text" name="dirname"/>';
  473. $new_folder_text .= '<button type="submit" class="save" name="create_dir">'.get_lang('CreateFolder').'</button>';
  474. $new_folder_text .= '</form>';
  475. //show the form
  476. Display::display_normal_message($new_folder_text, false);
  477. }
  478. else { //give them a link to create a directory
  479. ?>
  480. <p><a href="<?php echo api_get_self(); ?>?path=<?php echo $path; ?>&amp;createdir=1"><img src="../img/folder_new.gif" border="0" align="absmiddle" alt ="" /> <?php echo(get_lang('CreateDir'));?></a></p>
  481. <?php
  482. }
  483. ?>
  484. <div id="folderselector">
  485. <?php
  486. //form to select directory
  487. $folders = DocumentManager::get_all_document_folders($_course,$to_group_id,$is_allowed_to_edit);
  488. echo(build_directory_selector($folders,$path,$group_properties['directory']));
  489. ?>
  490. </div>
  491. <!-- start upload form -->
  492. <?php
  493. require_once (api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php');
  494. $form = new FormValidator('upload','POST',api_get_self(),'','enctype="multipart/form-data"');
  495. $form->addElement('hidden','curdirpath',$path);
  496. $form->addElement('file','user_upload',get_lang('File'),'id="user_upload" size="45"');
  497. if(get_setting('use_document_title')=='true')
  498. {
  499. $form->addElement('text','title',get_lang('Title'),'size="20" style="width:300px;"');
  500. $form->addElement('textarea','comment',get_lang('Comment'),'wrap="virtual" style="width:300px;"');
  501. }
  502. $form->addElement('checkbox','unzip',get_lang('Options'),get_lang('Uncompress'),'onclick="check_unzip()" value="1"');
  503. if(api_get_setting('search_enabled')=='true')
  504. {
  505. //TODO: include language file
  506. $supported_formats = 'Supported formats for index: Text plain, PDF, Postscript, MS Word, HTML, RTF, MS Power Point';
  507. $form -> addElement ('checkbox', 'index_document','', get_lang('SearchFeatureDoIndexDocument') . '<div style="font-size: 80%" >'. $supported_formats .'</div>');
  508. $form -> addElement ('html','<br /><div class="row">');
  509. $form -> addElement ('html', '<div class="label">'. get_lang('SearchFeatureDocumentLanguage') .'</div>');
  510. $form -> addElement ('html', '<div class="formw">'. api_get_languages_combo() .'</div>');
  511. $form -> addElement ('html','</div><div class="sub-form">');
  512. $specific_fields = get_specific_field_list();
  513. foreach ($specific_fields as $specific_field) {
  514. $form -> addElement ('text', $specific_field['code'], $specific_field['name'].' : ');
  515. }
  516. $form -> addElement ('html','</div>');
  517. }
  518. $form->addElement('radio', 'if_exists', get_lang('UplWhatIfFileExists'), get_lang('UplDoNothing'), 'nothing');
  519. $form->addElement('radio', 'if_exists', '', get_lang('UplOverwriteLong'), 'overwrite');
  520. $form->addElement('radio', 'if_exists', '', get_lang('UplRenameLong'), 'rename');
  521. $form->addElement('style_submit_button', 'submitDocument', get_lang('Ok'),'class="save"');
  522. $form->add_real_progress_bar('DocumentUpload','user_upload');
  523. $defaults = array('index_document'=>'checked="checked"');
  524. $form->setDefaults($defaults);
  525. $form->display();
  526. ?>
  527. <!-- end upload form -->
  528. <!-- so they can get back to the documents -->
  529. <p><?php echo (get_lang('Back'));?> <?php echo (get_lang('To'));?> <a href="document.php?curdirpath=<?php echo $path; ?>"><?php echo (get_lang('DocumentsOverview'));?></a></p>
  530. <?php
  531. /*
  532. ==============================================================================
  533. FOOTER
  534. ==============================================================================
  535. */
  536. Display::display_footer();
  537. ?>