2 /************************************************************************/
4 /************************************************************************/
5 /* Copyright (c) 2002 - 2009 */
6 /* Adaptive Technology Resource Centre / University of Toronto */
8 /* This program is free software. You can redistribute it and/or */
9 /* modify it under the terms of the GNU General Public License */
10 /* as published by the Free Software Foundation. */
11 /************************************************************************/
12 // $Id: ims_import.php 9081 2010-01-13 20:26:03Z cindy $
13 define('AT_INCLUDE_PATH', '../../../include/');
14 require(AT_INCLUDE_PATH.'vitals.inc.php');
16 require_once(AT_INCLUDE_PATH.'../mods/_core/file_manager/filemanager.inc.php'); /* for clr_dir() and preImportCallBack and dirsize() */
17 require(AT_INCLUDE_PATH.'classes/pclzip.lib.php');
18 require(AT_INCLUDE_PATH.'../mods/_core/imsqti/lib/qti.inc.php');
19 require(AT_INCLUDE_PATH.'../mods/_core/imsqti/classes/QTIImport.class.php');
20 require(AT_INCLUDE_PATH.'../mods/_core/imsafa/classes/A4aImport.class.php');
21 require(AT_INCLUDE_PATH.'../mods/_core/imscp/ns.inc.php'); //namespace, no longer needs, delete it after it's stable.
22 require(AT_INCLUDE_PATH.'../mods/_core/imscc/classes/WeblinksParser.class.php');
23 require(AT_INCLUDE_PATH.'../mods/_core/imscc/classes/DiscussionToolsParser.class.php');
24 require(AT_INCLUDE_PATH.'../mods/_core/imscc/classes/DiscussionToolsImport.class.php');
27 /* make sure we own this course that we're exporting */
28 authenticate(AT_PRIV_CONTENT);
30 /* to avoid timing out on large files */
32 $_SESSION['done'] = 1;
34 $html_head_tags = array("style", "script", "link");
36 $package_base_path = '';
37 $package_real_base_path = ''; //the path to save the contents
38 $all_package_base_path = array();
40 $element_path = array();
41 $imported_glossary = array();
46 $skip_ims_validation = false;
47 $added_dt = array(); //the mapping of discussion tools that are added
48 $avail_dt = array(); //list of discussion tools that have not been handled
51 * return the error messages represented by the given array
53 * @ref http://ca3.php.net/manual/en/domdocument.schemavalidate.php
55 function libxml_display_error($error)
58 switch ($error->level) {
59 case LIBXML_ERR_WARNING:
60 $return .= "<b>Warning $error->code</b>: ";
62 case LIBXML_ERR_ERROR:
63 $return .= "<b>Error $error->code</b>: ";
65 case LIBXML_ERR_FATAL:
66 $return .= "<b>Fatal Error $error->code</b>: ";
69 $return .= trim($error->message);
71 $return .= " in <b>$error->file</b>";
73 $return .= " on line <b>$error->line</b>\n";
79 * Validate all the XML in the package, including checking XSDs, missing data.
80 * @param string the path of the directory that contains all the package files
81 * @return boolean true if every file exists in the manifest, false if any is missing.
83 function checkResources($import_path){
84 global $items, $msg, $skip_ims_validation, $avail_dt;
86 if (!is_dir($import_path)){
90 //if the package has access for all content, skip validation for now.
91 //todo: import the XSD into our validator
92 if ($skip_ims_validation){
96 //generate a file tree
97 $data = rscandir($import_path);
99 //check if every file is presented in the manifest
100 foreach($data as $filepath){
101 $filepath = substr($filepath, strlen($import_path));
103 //validate xml via its xsd/dtds
104 if (preg_match('/(.*)\.xml/', $filepath)){
105 libxml_use_internal_errors(true);
106 $dom = new DOMDocument();
107 $dom->load(realpath($import_path.$filepath));
108 if (!@$dom->schemaValidate('main.xsd')){
109 $errors = libxml_get_errors();
110 foreach ($errors as $error) {
112 if ($error->level==LIBXML_ERR_WARNING){
115 $msg->addError(array('IMPORT_CARTRIDGE_FAILED', libxml_display_error($error)));
117 libxml_clear_errors();
119 //if this is the manifest file, we do not have to check for its existance.
120 // if (preg_match('/(.*)imsmanifest\.xml/', $filepath)){
126 //Create an array that mimics the structure of the data array, based on the xml items
127 $filearray = array();
128 foreach($items as $name=>$fileinfo){
129 if(isset($fileinfo['file']) && is_array($fileinfo['file']) && !empty($fileinfo['file'])){
130 foreach($fileinfo['file'] as $fn){
131 if (!in_array(realpath($import_path.$fn), $filearray)){
132 $filearray[] = realpath($import_path. $fn);
137 //validate the xml by its schema
138 if (preg_match('/imsqti\_(.*)/', $fileinfo['type'])){
139 $qti = new QTIParser($fileinfo['type']);
140 $xml_content = @file_get_contents($import_path . $fileinfo['href']);
141 $qti->parse($xml_content); //will add error to $msg if failed
144 //add all dependent discussion tools to a list
145 if(isset($fileinfo['dependency']) && !empty($fileinfo['dependency'])){
146 $avail_dt = array_merge($avail_dt, $fileinfo['dependency']);
150 //check if all files in the xml is presented in the archieve
151 $result = array_diff($filearray, $data);
152 //using sizeof because array_diff only
153 //returns an array containing all the entries from array1 that are not present in any of the
155 //Using sizeof make sure it's not a subset of array2.
156 //-1 on data because it always contain the imsmanifest.xml file
157 if (!empty($result) || sizeof($data)-1>sizeof($filearray)){
158 $msg->addError(array('IMPORT_CARTRIDGE_FAILED', _AT('ims_missing_references')));
164 * @example rscandir(dirname(__FILE__).'/'));
165 * @param string $base
170 function rscandir($base='', &$data=array()) {
171 $array = array_diff(scandir($base), array('.', '..')); # remove ' and .. from the array */
172 foreach($array as $value) : /* loop through the array at the level of the supplied $base */
174 if (is_dir($base.$value)) : /* if this is a directory */
175 // don't save the directory name
176 // $data[] = $base.$value.'/'; /* add it to the $data array */
177 $data = rscandir($base.$value.'/', $data); /* then make a recursive call with the
178 current $value as the $base supplying the $data array to carry into the recursion */
180 elseif (is_file($base.$value)) : /* else if the current $value is a file */
181 $data[] = realpath($base.$value); /* just add the current $value to the $data array */
186 return $data; // return the $data array
191 * Function to restructure the $items. So that old import will merge the top page into its children, and
192 * create a new folder on top of it
194 function rehash($items){
196 $parent_page_maps = array(); //old=>new
197 $temp_popped_items = array();
198 $rehashed_items = array(); //the reconstructed array
199 foreach($items as $id => $content){
200 $parent_obj = $items[$content['parent_content_id']];
201 $rehashed_items[$id] = $content; //copy
202 //first check if this is the top folder of the archieve, we don't want the top folder, remove it.
203 /* if (isset($content['parent_content_id']) && !isset($parent_obj) && !isset($content['type'])){
204 //if we can get into here, it means the parent_content_id of this is empty
205 //implying this is the first folder.
206 //note: it checks content[type] cause it could be a webcontent. In that case,
207 // we do want to keep it.
208 debug($content, 'hit');
209 unset($rehashed_items[$id]);
212 //then check if there exists a mapping for this item, if so, simply replace is and next.
214 */ if (isset($parent_page_maps[$content['parent_content_id']])){
215 $rehashed_items [$id]['parent_content_id'] = $parent_page_maps[$content['parent_content_id']];
216 $rehashed_items [$id]['ordering']++;
218 //If its parent page is a top page and have an identiferref
219 elseif (isset($parent_obj) && isset($parent_obj['href'])){
220 if (!isset($parent_obj['href'])){
221 //check if this top page is already a folder, if so, next.
224 //else, make its parent page to a folder
225 $new_item['title'] = $parent_obj['title'];
226 //check if this parent has been modified, if so, chnage it
227 if (isset($parent_page_maps[$parent_obj['parent_content_id']])){
228 $new_item['parent_content_id'] = $parent_page_maps[$parent_obj['parent_content_id']];
230 $new_item['parent_content_id'] = $parent_obj['parent_content_id'];
232 //all ordering needs to be +1 because we are creating a new folder on top of
233 //everything, except the first page.
234 $new_item['ordering'] = $parent_obj['ordering'];
235 if ($new_item['parent_content_id']!='0'){
236 $new_item['ordering']++;
239 //assign this new parent folder to the pending items array
240 $new_item_name = $content['parent_content_id'].'_FOLDER';
241 //a not so brilliant way to append the folder in its appropriate position
242 $reordered_hashed_items = array(); //use to store the new rehashed item with the correct item order
243 foreach($rehashed_items as $rh_id=>$rh_content){
244 if ($rh_id == $content['parent_content_id']){
245 //add the folder in before the parent subpage.
246 $reordered_hashed_items[$new_item_name] = $new_item;
248 $reordered_hashed_items[$rh_id] = $rh_content; //clone
250 $rehashed_items = $reordered_hashed_items; //replace it back
251 unset($reordered_hashed_items);
252 $parent_page_maps[$content['parent_content_id']] = $new_item_name; //save this page on the hash map
254 //reconstruct the parent
255 $rehashed_items[$content['parent_content_id']]['parent_content_id'] = $parent_page_maps[$content['parent_content_id']];
256 $rehashed_items[$content['parent_content_id']]['ordering'] = 0; //always the first one.
259 $rehashed_items[$id]['parent_content_id'] = $parent_page_maps[$content['parent_content_id']];
260 $rehashed_items[$id]['ordering']++;
264 return $rehashed_items;
269 * This function will take the test accessment XML and add these to the database.
270 * @param string The path of the XML, without the import_path.
271 * @param mixed An item singleton. Contains the info of this item, namely, the accessment details.
272 * The item must be an object created by the ims class.
273 * @param string the import path
274 * @return mixed An Array that contains all the question IDs that have been imported.
276 function addQuestions($xml, $item, $import_path){
278 $qti_import = new QTIImport($import_path);
279 $tests_xml = $import_path.$xml;
281 //Mimic the array for now.
282 $test_attributes['resource']['href'] = $item['href'];
283 $test_attributes['resource']['type'] = preg_match('/imsqti_xmlv1p2/', $item['type'])==1?'imsqti_xmlv1p2':'imsqti_xmlv1p1';
284 $test_attributes['resource']['file'] = $item['file'];
286 //Get the XML file out and start importing them into our database.
287 //TODO: See question_import.php 287-289.
288 $qids = $qti_import->importQuestions($test_attributes);
289 $test_title = $qti_import->title;
295 /* called at the start of en element */
296 /* builds the $path array which is the path from the root to the current element */
297 function startElement($parser, $name, $attrs) {
298 global $items, $path, $package_base_path, $all_package_base_path, $package_real_base_path;
299 global $element_path, $import_path;
300 global $xml_base_path, $test_message, $content_type;
301 global $current_identifier, $msg, $ns, $ns_cp;
303 //check if the xml is valid
305 if(isset($attrs['xsi:schemaLocation']) && $name == 'manifest'){
306 //run the loop and check it thru the ns.inc.php
307 } elseif ($name == 'manifest' && !isset($attrs['xsi:schemaLocation'])) {
308 //$msg->addError('MANIFEST_NOT_WELLFORM: NO NAMESPACE');
309 $msg->addError('IMPORT_CARTRIDGE_FAILED');
313 //error if the tag names are wrong
314 if (preg_match('/^xsi\:/', $name) >= 1){
315 //$msg->addError('MANIFEST_NOT_WELLFORM');
316 $msg->addError('IMPORT_CARTRIDGE_FAILED');
321 //validate namespaces
322 if(isset($attrs['xsi:schemaLocation']) && $name=='manifest'){
323 $schema_location = array();
324 $split_location = preg_split('/[\r\n\s]+/', trim($attrs['xsi:schemaLocation']));
326 //check if the namespace is actually right, have an array or some sort in IMS class
327 if(sizeof($split_location)%2==1){
328 //schema is not in the form of "The first URI reference in each pair is a namespace name,
329 //and the second is the location of a schema that describes that namespace."
330 //$msg->addError('MANIFEST_NOT_WELLFORM');
331 $msg->addError(array('IMPORT_CARTRIDGE_FAILED', _AT('schema_error')));
334 //turn the xsi:schemaLocation URI into a schema that describe namespace.
336 //http://msdn.microsoft.com/en-us/library/ms256100(VS.85).aspx
337 //http://www.w3.org/TR/xmlschema-1/
338 for($i=0; $i < sizeof($split_location);$i=$i+2){
340 if (isset($ns[$split_location[$i]]) && $ns[$split_location[$i]] != $split_location[$i+1]){
341 //$msg->addError('MANIFEST_NOT_WELLFORM: SCHEMA');
342 $msg->addError('IMPORT_CARTRIDGE_FAILED');
345 //if the key of the namespace is not defined. Throw error.
346 if(!isset($ns[$split_location[$i]]) && !isset($ns_cp[$split_location[$i]])){
347 $msg->addError(array('IMPORT_CARTRIDGE_FAILED', _AT('schema_error')));
355 if ($name == 'manifest' && isset($attrs['xml:base']) && $attrs['xml:base']) {
356 $xml_base_path = $attrs['xml:base'];
357 } else if ($name == 'file') {
358 // check if it misses file references
359 if(!isset($attrs['href']) || $attrs['href']==''){
360 //$msg->addError('MANIFEST_NOT_WELLFORM');
361 $msg->addError(array('IMPORT_CARTRIDGE_FAILED', _AT('ims_missing_references')));
364 // special case for webCT content packages that don't specify the `href` attribute
365 // with the `<resource>` element.
366 // we take the `href` from the first `<file>` element.
367 if (isset($items[$current_identifier]) && ($items[$current_identifier]['href'] == '')) {
368 $attrs['href'] = urldecode($attrs['href']);
369 $items[$current_identifier]['href'] = $attrs['href'];
372 $temp_path = pathinfo($attrs['href']);
373 $temp_path = explode('/', $temp_path['dirname']);
374 if (empty($package_base_path)){
375 $package_base_path = $temp_path;
377 if ($all_package_base_path!='' && empty($all_package_base_path)){
378 $all_package_base_path = $temp_path;
380 $package_base_path = array_intersect_assoc($package_base_path, $temp_path);
382 //calculate the depths of relative paths
383 if ($all_package_base_path!=''){
384 $no_relative_temp_path = $temp_path;
385 foreach($no_relative_temp_path as $path_node){
386 if ($path_node=='..'){
387 array_pop($no_relative_temp_path);
388 array_pop($no_relative_temp_path); //not a typo, have to pop twice, both itself('..'), and the one before.
391 $all_package_base_path = array_intersect_assoc($all_package_base_path, $no_relative_temp_path);
392 if (empty($all_package_base_path)){
393 $all_package_base_path = ''; //unset it, there is no intersection.
397 //save the actual content base path
398 if (in_array('..', $temp_path)){
399 $sizeofrp = array_count_values($temp_path);
402 //for IMSCC, assume that all resources lies in the same folder, except styles.css
403 if ($items[$current_identifier]['type']=='webcontent' || $items[$current_identifier]['type']=='imsdt_xmlv1p0'){
404 //find the intersection of each item's related files, then that intersection is the content_path
405 if (isset($items[$current_identifier]['file'])){
406 foreach ($items[$current_identifier]['file'] as $resource_path){
407 $temp_path = pathinfo($resource_path);
408 $temp_path = explode('/', $temp_path['dirname']);
409 $package_base_path = array_intersect_assoc($package_base_path, $temp_path);
415 if($sizeofrp['..'] > 0 && !empty($all_package_base_path)){
416 for ($i=0; $i<$sizeofrp['..']; $i++){
417 array_pop($all_package_base_path);
420 $items[$current_identifier]['new_path'] = implode('/', $package_base_path);
422 * @harris, reworked the package_base_path
423 if ($package_base_path=="") {
424 $package_base_path = $temp_path;
426 elseif (is_array($package_base_path) && $content_type != 'IMS Common Cartridge') {
427 //if this is a content package, we want only intersection
428 $package_base_path = array_intersect($package_base_path, $temp_path);
429 $temp_path = $package_base_path;
431 //added these 2 lines in so that pictures would load. making the elseif above redundant.
432 //if there is a bug for pictures not load, then it's the next 2 lines.
433 $package_base_path = array_intersect($package_base_path, $temp_path);
434 $temp_path = $package_base_path;
436 $items[$current_identifier]['new_path'] = implode('/', $temp_path);
438 if ( isset($_POST['allow_test_import']) && isset($items[$current_identifier])
439 && preg_match('/((.*)\/)*tests\_[0-9]+\.xml$/', $attrs['href'])) {
440 $items[$current_identifier]['tests'][] = $attrs['href'];
442 if ( isset($_POST['allow_a4a_import']) && isset($items[$current_identifier])) {
443 $items[$current_identifier]['a4a_import_enabled'] = true;
445 } else if (($name == 'item') && ($attrs['identifierref'] != '')) {
446 $path[] = $attrs['identifierref'];
447 } else if (($name == 'item') && ($attrs['identifier'])) {
448 $path[] = $attrs['identifier'];
449 // } else if (($name == 'resource') && is_array($items[$attrs['identifier']])) {
450 } else if (($name == 'resource')) {
451 $current_identifier = $attrs['identifier'];
452 $items[$current_identifier]['type'] = $attrs['type'];
453 if ($attrs['href']) {
454 $attrs['href'] = urldecode($attrs['href']);
456 $items[$attrs['identifier']]['href'] = $attrs['href'];
458 // href points to a remote url
459 if (preg_match('/^http.*:\/\//', trim($attrs['href'])))
460 $items[$attrs['identifier']]['new_path'] = '';
461 else // href points to local file
463 $temp_path = pathinfo($attrs['href']);
464 $temp_path = explode('/', $temp_path['dirname']);
465 // if (empty($package_base_path)) {
466 $package_base_path = $temp_path;
469 // $package_base_path = array_intersect($package_base_path, $temp_path);
471 $items[$attrs['identifier']]['new_path'] = implode('/', $temp_path);
475 //if test custom message has not been saved
476 // if (!isset($items[$current_identifier]['test_message'])){
477 // $items[$current_identifier]['test_message'] = $test_message;
479 } else if ($name=='dependency' && $attrs['identifierref']!='') {
480 //if there is a dependency, attach it to the item array['file']
481 $items[$current_identifier]['dependency'][] = $attrs['identifierref'];
483 if (($name == 'item') && ($attrs['parameters'] != '')) {
484 $items[$attrs['identifierref']]['test_message'] = $attrs['parameters'];
487 if(!isset($items[$current_identifier]) && $attrs['href']!=''){
488 $items[$current_identifier]['href'] = $attrs['href'];
490 if (file_exists($import_path.$attrs['href'])){
491 $items[$current_identifier]['file'][] = $attrs['href'];
493 //$msg->addError('');
494 $msg->addError(array('IMPORT_CARTRIDGE_FAILED', _AT(array('ims_files_missing', $attrs['href']))));
497 if ($name=='cc:authorizations'){
498 //don't have authorization setup.
499 //$msg->addError('');
500 $msg->addError('IMS_AUTHORIZATION_NOT_SUPPORT');
502 array_push($element_path, $name);
505 /* called when an element ends */
506 /* removed the current element from the $path */
507 function endElement($parser, $name) {
508 global $path, $element_path, $my_data, $items;
509 global $current_identifier, $skip_ims_validation;
510 global $msg, $content_type;
511 static $resource_num = 0;
513 if ($name == 'item') {
517 //check if this is a test import
518 if ($name == 'schema'){
519 if (trim($my_data)=='IMS Question and Test Interoperability'){
520 $msg->addError('IMPORT_FAILED');
522 $content_type = trim($my_data);
526 if ($current_identifier != ''){
527 $my_data = trim($my_data);
528 $last_file_name = $items[$current_identifier]['file'][(sizeof($items[$current_identifier]['file']))-1];
530 if ($name=='originalAccessMode'){
531 if (in_array('accessModeStatement', $element_path)){
532 $items[$current_identifier]['a4a'][$last_file_name][$resource_num]['access_stmt_originalAccessMode'] = $my_data;
533 } elseif (in_array('adaptationStatement', $element_path)){
534 $items[$current_identifier]['a4a'][$last_file_name][$resource_num]['adapt_stmt_originalAccessMode'] = $my_data;
536 } elseif (($name=='language') && in_array('accessModeStatement', $element_path)){
537 $items[$current_identifier]['a4a'][$last_file_name][$resource_num]['language'][] = $my_data;
538 } elseif ($name=='hasAdaptation') {
539 $items[$current_identifier]['a4a'][$last_file_name][$resource_num]['hasAdaptation'][] = $my_data;
540 } elseif ($name=='isAdaptationOf'){
541 $items[$current_identifier]['a4a'][$last_file_name][$resource_num]['isAdaptationOf'][] = $my_data;
542 } elseif ($name=='accessForAllResource'){
543 /* the head node of accessForAll Metadata, if this exists in the manifest. Skip XSD validation,
544 * because A4a doesn't have a xsd yet. Our access for all is based on ISO which will not pass
545 * the current IMS validation.
546 * Also, since ATutor is the only one (as of Oct 21, 2009) that exports IMS with access for all
547 * content, we can almost assume that any ims access for all content is by us, and is valid.
549 $skip_ims_validation = true;
551 } elseif($name=='file'){
552 $resource_num = 0; //reset resournce number to 0 when the file tags ends
556 if ($element_path === array('manifest', 'metadata', 'imsmd:lom', 'imsmd:general', 'imsmd:title', 'imsmd:langstring')) {
557 global $package_base_name;
558 $package_base_name = trim($my_data);
561 array_pop($element_path);
565 /* called when there is character data within elements */
566 /* constructs the $items array using the last entry in $path as the parent element */
567 function characterData($parser, $data){
568 global $path, $items, $order, $my_data, $element_path;
569 global $current_identifier;
571 $str_trimmed_data = trim($data);
573 if (!empty($str_trimmed_data)) {
574 $size = count($path);
576 $current_item_id = $path[$size-1];
578 $parent_item_id = $path[$size-2];
583 if (isset($items[$current_item_id]['parent_content_id']) && is_array($items[$current_item_id])) {
585 /* this item already exists, append the title */
586 /* this fixes {\n, \t, `, &} characters in elements */
588 /* horible kludge to fix the <ns2:objectiveDesc xmlns:ns2="http://www.utoronto.ca/atrc/tile/xsd/tile_objective"> */
590 if (in_array('accessForAllResource', $element_path)){
592 } elseif ($element_path[count($element_path)-1] != 'ns1:objectiveDesc') {
593 $items[$current_item_id]['title'] .= $data;
597 $order[$parent_item_id] ++;
598 $item_tmpl = array( 'title' => $data,
599 'parent_content_id' => $parent_item_id,
600 'ordering' => $order[$parent_item_id]-1);
601 //append other array values if it exists
602 if (is_array($items[$current_item_id])){
603 $items[$current_item_id] = array_merge($items[$current_item_id], $item_tmpl);
605 $items[$current_item_id] = $item_tmpl;
614 /* glossary parser: */
615 function glossaryStartElement($parser, $name, $attrs) {
616 global $element_path;
618 array_push($element_path, $name);
621 /* called when an element ends */
622 /* removed the current element from the $path */
623 function glossaryEndElement($parser, $name) {
624 global $element_path, $my_data, $imported_glossary;
625 static $current_term;
627 if ($element_path === array('glossary', 'item', 'term') ||
628 $element_path === array('glossary:glossary', 'item', 'term')) {
629 $current_term = $my_data;
631 } else if ($element_path === array('glossary', 'item', 'definition') ||
632 $element_path === array('glossary:glossary', 'item', 'definition')) {
633 $imported_glossary[trim($current_term)] = trim($my_data);
636 array_pop($element_path);
640 function glossaryCharacterData($parser, $data){
646 if (!isset($_POST['submit']) && !isset($_POST['cancel'])) {
647 /* just a catch all */
649 $errors = array('FILE_MAX_SIZE', ini_get('post_max_size'));
650 $msg->addError($errors);
652 header('Location: ./index.php');
654 } else if (isset($_POST['cancel'])) {
655 $msg->addFeedback('IMPORT_CANCELLED');
657 header('Location: ../content/index.php');
661 $cid = intval($_POST['cid']);
663 if (isset($_POST['url']) && ($_POST['url'] != 'http://') ) {
664 if ($content = @file_get_contents($_POST['url'])) {
665 // save file to /content/
666 $filename = substr(time(), -6). '.zip';
667 $full_filename = AT_CONTENT_DIR . $filename;
669 if (!$fp = fopen($full_filename, 'w+b')) {
670 echo "Cannot open file ($filename)";
674 if (fwrite($fp, $content, strlen($content) ) === FALSE) {
675 echo "Cannot write to file ($filename)";
680 $_FILES['file']['name'] = $filename;
681 $_FILES['file']['tmp_name'] = $full_filename;
682 $_FILES['file']['size'] = strlen($content);
684 $url_parts = pathinfo($_POST['url']);
685 $package_base_name_url = $url_parts['basename'];
687 $ext = pathinfo($_FILES['file']['name']);
688 $ext = $ext['extension'];
691 $msg->addError('IMPORTDIR_IMS_NOTVALID');
692 } else if ($_FILES['file']['error'] == 1) {
693 $errors = array('FILE_MAX_SIZE', ini_get('upload_max_filesize'));
694 $msg->addError($errors);
695 } else if ( !$_FILES['file']['name'] || (!is_uploaded_file($_FILES['file']['tmp_name']) && !$_POST['url'])) {
696 $msg->addError('FILE_NOT_SELECTED');
697 } else if ($_FILES['file']['size'] == 0) {
698 $msg->addError('IMPORTFILE_EMPTY');
701 if ($msg->containsErrors()) {
702 if (isset($_GET['tile'])) {
703 header('Location: '.$_base_path.'mods/_standard/tile_search/index.php');
705 header('Location: index.php');
710 /* check if ../content/import/ exists */
711 $import_path = AT_CONTENT_DIR . 'import/';
712 $content_path = AT_CONTENT_DIR;
714 if (!is_dir($import_path)) {
715 if (!@mkdir($import_path, 0700)) {
716 $msg->addError('IMPORTDIR_FAILED');
720 $import_path .= $_SESSION['course_id'].'/';
721 if (is_dir($import_path)) {
722 clr_dir($import_path);
725 if (!@mkdir($import_path, 0700)) {
726 $msg->addError('IMPORTDIR_FAILED');
729 if ($msg->containsErrors()) {
730 if (isset($_GET['tile'])) {
731 header('Location: '.$_base_path.'mods/_standard/tile_search/index.php');
733 header('Location: index.php');
738 /* extract the entire archive into AT_COURSE_CONTENT . import/$course using the call back function to filter out php files */
740 $archive = new PclZip($_FILES['file']['tmp_name']);
741 if ($archive->extract( PCLZIP_OPT_PATH, $import_path,
742 PCLZIP_CB_PRE_EXTRACT, 'preImportCallBack') == 0) {
743 $msg->addError('IMPORT_FAILED');
744 echo 'Error : '.$archive->errorInfo(true);
745 clr_dir($import_path);
746 header('Location: index.php');
749 error_reporting(AT_ERROR_REPORTING);
751 /* get the course's max_quota */
752 $sql = "SELECT max_quota FROM ".TABLE_PREFIX."courses WHERE course_id=$_SESSION[course_id]";
753 $result = mysql_query($sql, $db);
754 $q_row = mysql_fetch_assoc($result);
756 if ($q_row['max_quota'] != AT_COURSESIZE_UNLIMITED) {
758 if ($q_row['max_quota'] == AT_COURSESIZE_DEFAULT) {
759 $q_row['max_quota'] = $MaxCourseSize;
761 $totalBytes = dirsize($import_path);
762 $course_total = dirsize(AT_CONTENT_DIR . $_SESSION['course_id'].'/');
763 $total_after = $q_row['max_quota'] - $course_total - $totalBytes + $MaxCourseFloat;
765 if ($total_after < 0) {
766 /* remove the content dir, since there's no space for it */
767 $errors = array('NO_CONTENT_SPACE', number_format(-1*($total_after/AT_KBYTE_SIZE), 2 ) );
768 $msg->addError($errors);
770 clr_dir($import_path);
772 if (isset($_GET['tile'])) {
773 header('Location: '.$_base_path.'mods/_standard/tile_search/index.php');
775 header('Location: index.php');
782 $items = array(); /* all the content pages */
783 $order = array(); /* keeps track of the ordering for each content page */
784 $path = array(); /* the hierarchy path taken in the menu to get to the current item in the manifest */
785 $dependency_files = array(); /* the file path for the dependency files */
788 $items[content_id/resource_id] = array(
790 'real_content_id' // calculated after being inserted
796 $ims_manifest_xml = @file_get_contents($import_path.'imsmanifest.xml');
797 //scan for manifest xml if it's not on the top level.
798 if ($ims_manifest_xml === false){
799 $data = rscandir($import_path);
800 $manifest_array = array();
801 foreach($data as $scanned_file){
802 $scanned_file = realpath($scanned_file);
803 //change the file string to an array
804 $this_file_array = explode(DIRECTORY_SEPARATOR, $scanned_file);
805 if(empty($manifest_array)){
806 $manifest_array = $this_file_array;
808 $manifest_array = array_intersect_assoc($this_file_array, $manifest_array);
810 if (strpos($scanned_file, 'imsmanifest')!==false){
811 $ims_manifest_xml = @file_get_contents($scanned_file);
814 if ($ims_manifest_xml !== false){
815 $import_path = implode(DIRECTORY_SEPARATOR, $manifest_array) . DIRECTORY_SEPARATOR;
819 //if no imsmanifest.xml found in the entire package, throw error.
820 if ($ims_manifest_xml === false) {
821 $msg->addError('NO_IMSMANIFEST');
823 if (file_exists($import_path . 'atutor_backup_version')) {
824 $msg->addError('NO_IMS_BACKUP');
826 clr_dir($import_path);
828 if (isset($_GET['tile'])) {
829 header('Location: '.$_base_path.'mods/_standard/tile_search/index.php');
831 header('Location: index.php');
836 $xml_parser = xml_parser_create();
838 xml_parser_set_option($xml_parser, XML_OPTION_CASE_FOLDING, false); /* conform to W3C specs */
839 xml_set_element_handler($xml_parser, 'startElement', 'endElement');
840 xml_set_character_data_handler($xml_parser, 'characterData');
842 if (!xml_parse($xml_parser, $ims_manifest_xml, true)) {
843 die(sprintf("XML error: %s at line %d",
844 xml_error_string(xml_get_error_code($xml_parser)),
845 xml_get_current_line_number($xml_parser)));
847 xml_parser_free($xml_parser);
848 /* check if the glossary terms exist */
850 if ($content_type == 'IMS Common Cartridge'){
851 $glossary_path = 'resources/GlossaryItem/';
852 // $package_base_path = '';
854 if (file_exists($import_path . $glossary_path . 'glossary.xml')){
855 $glossary_xml = @file_get_contents($import_path.$glossary_path.'glossary.xml');
856 $element_path = array();
857 $xml_parser = xml_parser_create();
859 /* insert the glossary terms into the database (if they're not in there already) */
860 /* parse the glossary.xml file and insert the terms */
861 xml_parser_set_option($xml_parser, XML_OPTION_CASE_FOLDING, false); /* conform to W3C specs */
862 xml_set_element_handler($xml_parser, 'glossaryStartElement', 'glossaryEndElement');
863 xml_set_character_data_handler($xml_parser, 'glossaryCharacterData');
865 if (!xml_parse($xml_parser, $glossary_xml, true)) {
866 die(sprintf("XML error: %s at line %d",
867 xml_error_string(xml_get_error_code($xml_parser)),
868 xml_get_current_line_number($xml_parser)));
870 xml_parser_free($xml_parser);
871 $contains_glossary_terms = true;
872 foreach ($imported_glossary as $term => $defn) {
873 if (!$glossary[$term]) {
874 $sql = "INSERT INTO ".TABLE_PREFIX."glossary VALUES (NULL, $_SESSION[course_id], '$term', '$defn', 0)";
875 mysql_query($sql, $db);
880 // Check if all the files exists in the manifest, iff it's a IMS CC package.
881 if ($content_type == 'IMS Common Cartridge') {
882 //If user chooses to ignore validation.
883 if(isset($_POST['ignore_validation']) && $_POST['ignore_validation']==1) {
884 $skip_ims_validation = true;
886 checkResources($import_path);
889 // Check if there are any errors during parsing.
890 if ($msg->containsErrors()) {
891 if (isset($_GET['tile'])) {
892 header('Location: '.$_base_path.'mods/_standard/tile_search/index.php');
894 header('Location: index.php');
899 /* generate a unique new package base path based on the package file name and date as needed. */
900 /* the package name will be the dir where the content for this package will be put, as a result */
901 /* the 'content_path' field in the content table will be set to this path. */
902 /* $package_base_name_url comes from the URL file name (NOT the file name of the actual file we open)*/
903 if (!$package_base_name && $package_base_name_url) {
904 $package_base_name = substr($package_base_name_url, 0, -4);
905 } else if (!$package_base_name) {
906 $package_base_name = substr($_FILES['file']['name'], 0, -4);
909 $package_base_name = strtolower($package_base_name);
910 $package_base_name = str_replace(array('\'', '"', ' ', '|', '\\', '/', '<', '>', ':'), '_' , $package_base_name);
911 $package_base_name = preg_replace("/[^A-Za-z0-9._\-]/", '', $package_base_name);
913 if (is_dir(AT_CONTENT_DIR . $_SESSION['course_id'].'/'.$package_base_name)) {
914 $package_base_name .= '_'.date('ymdHis');
917 if ($package_base_path) {
918 $package_base_path = implode('/', $package_base_path);
919 } elseif (empty($package_base_path)){
920 $package_base_path = '';
923 if ($xml_base_path) {
924 $package_base_path = $xml_base_path . $package_base_path;
926 mkdir(AT_CONTENT_DIR .$_SESSION['course_id'].'/'.$xml_base_path);
927 $package_base_name = $xml_base_path . $package_base_name;
930 /* get the top level content ordering offset */
931 $sql = "SELECT MAX(ordering) AS ordering FROM ".TABLE_PREFIX."content WHERE course_id=$_SESSION[course_id] AND content_parent_id=$cid";
932 $result = mysql_query($sql, $db);
933 $row = mysql_fetch_assoc($result);
934 $order_offset = intval($row['ordering']); /* it's nice to have a real number to deal with */
935 $lti_offset = array(); //since we don't need lti tools, the ordering needs to be subtracted
936 //reorder the items stack
937 $items = rehash($items);
938 //debug($items);exit;
939 foreach ($items as $item_id => $content_info)
941 //formatting field, default 1
942 $content_formatting = 1; //CONTENT_TYPE_CONTENT
944 //don't want to display glossary as a page
945 if ($content_info['href']== $glossary_path . 'glossary.xml'){
949 //if discussion tools, add it to the list of unhandled dts
950 if ($content_info['type']=='imsdt_xmlv1p0'){
951 //if it will be taken care after (has dependency), then move along.
952 if (in_array($item_id, $avail_dt)){
953 $lti_offset[$content_info['parent_content_id']]++;
958 //handle the special case of cc import, where there is no content association. The resource should
960 if(!isset($content_info['parent_content_id'])){
961 //if this is a question bank
962 if ($content_info['type']=="imsqti_xmlv1p2/imscc_xmlv1p0/question-bank"){
963 addQuestions($content_info['href'], $content_info, $import_path);
967 //if it has no title, most likely it is not a page but just a normal item, skip it
968 if (!isset($content_info['title'])){
972 //check dependency immediately, then handles it
974 if (is_array($content_info['dependency']) && !empty($content_info['dependency'])){
975 foreach($content_info['dependency'] as $dependency_ref){
977 /** handled by get_html_head in vitals.inc.php
978 if (preg_match('/(.*)\.css$/', $items[$dependency_ref]['href'])){
979 //calculate where this is based on our current base_href.
980 //assuming the dependency folders are siblings of the item
981 $head = '<link rel="stylesheet" type="text/css" href="../'.$items[$dependency_ref]['href'].'" />';
984 //check if this is a discussion tool dependency
985 if ($items[$dependency_ref]['type']=='imsdt_xmlv1p0'){
986 $items[$item_id]['forum'][$dependency_ref] = $items[$dependency_ref]['href'];
988 //check if this is a QTI dependency
989 if (strpos($items[$dependency_ref]['type'], 'imsqti_xmlv1p2/imscc_xmlv1p0') !== false){
990 $items[$item_id]['tests'][$dependency_ref] = $items[$dependency_ref]['href'];
995 //check file array, see if there are css.
996 //edited nov 26, harris
997 //removed cuz i added link to the html_tags
999 if (is_array($content_info['file']) && !empty($content_info['file'])){
1000 foreach($content_info['file'] as $dependency_ref){
1002 if (preg_match('/(.*)\.css$/', $dependency_ref)){
1003 //calculate where this is based on our current base_href.
1004 //assuming the dependency folders are siblings of the item
1005 $head = '<link rel="stylesheet" type="text/css" href="'.$dependency_ref.'" />';
1012 if (preg_match('/^http.*:\/\//', trim($content_info['href'])) )
1014 $content = '<a href="'.$content_info['href'].'" target="_blank">'.$content_info['title'].'</a>';
1018 if ($content_type == 'IMS Common Cartridge'){
1019 //to handle import with purely images but nothing else
1020 //don't need a content base path for it.
1021 $content_new_path = $content_info['new_path'];
1022 $content_info['new_path'] = '';
1024 if (isset($content_info['href'], $xml_base_path)) {
1025 $content_info['href'] = $xml_base_path . $content_info['href'];
1027 if (!isset($content_info['href'])) {
1028 // this item doesn't have an identifierref. so create an empty page.
1029 // what we called a folder according to v1.2 Content Packaging spec
1033 $last_modified = date('Y-m-d H:i:s');
1035 //$file_info = @stat(AT_CONTENT_DIR . 'import/'.$_SESSION['course_id'].'/'.$content_info['href']);
1036 $file_info = @stat($import_path.$content_info['href']);
1037 if ($file_info === false) {
1041 //$path_parts = pathinfo(AT_CONTENT_DIR . 'import/'.$_SESSION['course_id'].'/'.$content_info['href']);
1042 $path_parts = pathinfo($import_path.$content_info['href']);
1043 $ext = strtolower($path_parts['extension']);
1045 $last_modified = date('Y-m-d H:i:s', $file_info['mtime']);
1047 if (in_array($ext, array('gif', 'jpg', 'bmp', 'png', 'jpeg'))) {
1048 /* this is an image */
1049 $content = '<img src="'.$content_info['href'].'" alt="'.$content_info['title'].'" />';
1050 } else if ($ext == 'swf') {
1052 /* Using default size of 550 x 400 */
1054 $content = '<object type="application/x-shockwave-flash" data="' . $content_info['href'] . '" width="550" height="400"><param name="movie" value="'. $content_info['href'] .'" /></object>';
1056 } else if ($ext == 'mov') {
1057 /* this is a quicktime movie */
1058 /* Using default size of 550 x 400 */
1060 $content = '<object classid="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B" width="550" height="400" codebase="http://www.apple.com/qtactivex/qtplugin.cab"><param name="src" value="'. $content_info['href'] . '" /><param name="autoplay" value="true" /><param name="controller" value="true" /><embed src="' . $content_info['href'] .'" width="550" height="400" controller="true" pluginspage="http://www.apple.com/quicktime/download/"></embed></object>';
1063 * commenting this whole chunk out. It's part of my test import codes, not sure why it's here,
1064 * and I don't think it should be here. Remove this whole comment after further testing and confirmation.
1067 //Mimic the array for now.
1068 $test_attributes['resource']['href'] = $test_xml_file;
1069 $test_attributes['resource']['type'] = isset($items[$item_id]['type'])?'imsqti_xmlv1p2':'imsqti_xmlv1p1';
1070 $test_attributes['resource']['file'] = $items[$item_id]['file'];
1071 // $test_attributes['resource']['file'] = array($test_xml_file);
1073 //Get the XML file out and start importing them into our database.
1074 //TODO: See question_import.php 287-289.
1075 $qids = $qti_import->importQuestions($test_attributes);
1078 } else if ($ext == 'mp3') {
1079 $content = '<object classid="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B" width="200" height="15" codebase="http://www.apple.com/qtactivex/qtplugin.cab"><param name="src" value="'. $content_info['href'] . '" /><param name="autoplay" value="false" /><embed src="' . $content_info['href'] .'" width="200" height="15" autoplay="false" pluginspage="http://www.apple.com/quicktime/download/"></embed></object>';
1080 } else if (in_array($ext, array('wav', 'au'))) {
1081 $content = '<embed SRC="'.$content_info['href'].'" autostart="false" width="145" height="60"><noembed><bgsound src="'.$content_info['href'].'"></noembed></embed>';
1083 } else if (in_array($ext, array('txt', 'css', 'html', 'htm', 'csv', 'asc', 'tsv', 'xml', 'xsl'))) {
1084 if ($content_type == 'IMS Common Cartridge'){
1085 $content_info['new_path'] = $content_new_path;
1088 /* this is a plain text file */
1089 //$content = file_get_contents(AT_CONTENT_DIR . 'import/'.$_SESSION['course_id'].'/'.$content_info['href']);
1090 $content = file_get_contents($import_path.$content_info['href']);
1091 if ($content === false) {
1092 /* if we can't stat() it then we're unlikely to be able to read it */
1093 /* so we'll never get here. */
1097 // get the contents of the 'head' element
1098 $head .= get_html_head_by_tag($content, $html_head_tags);
1100 // Specifically handle eXe package
1101 // NOTE: THIS NEEDS WORK! TO FIND A WAY APPLY EXE .CSS FILES ONLY ON COURSE CONTENT PART.
1102 // NOW USE OUR OWN .CSS CREATED SOLELY FOR EXE
1103 $isExeContent = false;
1105 // check xml file in eXe package
1106 if (preg_match("/<organization[ ]*identifier=\"eXe*>*/", $ims_manifest_xml))
1108 $isExeContent = true;
1111 // use ATutor's eXe style sheet as the ones from eXe conflicts with ATutor's style sheets
1114 $head = preg_replace ('/(<style.*>)(.*)(<\/style>)/ms', '\\1@import url(/docs/exestyles.css);\\3', $head);
1117 // end of specifically handle eXe package
1119 $content = get_html_body($content);
1120 if ($contains_glossary_terms)
1122 // replace glossary content package links to real glossary mark-up using [?] [/?]
1123 // refer to bug 3641, edited by Harris
1124 $content = preg_replace('/<a href="([.\w\d\s]+[^"]+)" target="body" class="at-term">([.\w\d\s&;"]+|.*)<\/a>/i', '[?]\\2[/?]', $content);
1127 /* potential security risk? */
1128 if ( strpos($content_info['href'], '..') === false && !preg_match('/((.*)\/)*tests\_[0-9]+\.xml$/', $content_info['href'])) {
1129 // @unlink(AT_CONTENT_DIR . 'import/'.$_SESSION['course_id'].'/'.$content_info['href']);
1132 /* overwrite content if this is discussion tool. */
1133 if ($content_info['type']=='imsdt_xmlv1p0'){
1134 $dt_parser = new DiscussionToolsParser();
1135 $xml_content = @file_get_contents($import_path . $content_info['href']);
1136 $dt_parser->parse($xml_content);
1137 $forum_obj = $dt_parser->getDt();
1138 $content = $forum_obj->getText();
1140 $dt_parser->close();
1143 /* non text file, and can't embed (example: PDF files) */
1144 $content = '<a href="'.$content_info['href'].'">'.$content_info['title'].'</a>';
1147 $content_parent_id = $cid;
1148 if ($content_info['parent_content_id'] !== 0) {
1149 $content_parent_id = $items[$content_info['parent_content_id']]['real_content_id'];
1150 //if it's not there, use $cid
1151 if (!$content_parent_id){
1152 $content_parent_id = $cid;
1157 if ($content_parent_id == $cid) {
1158 $my_offset = $order_offset;
1161 /* replace the old path greatest common denomiator with the new package path. */
1162 /* we don't use str_replace, b/c there's no knowing what the paths may be */
1163 /* we only want to replace the first part of the path.
1165 if(is_array($all_package_base_path)){
1166 $all_package_base_path = implode('/', $all_package_base_path);
1169 if ($all_package_base_path != '') {
1170 $content_info['new_path'] = $package_base_name . substr($content_info['new_path'], strlen($all_package_base_path));
1172 $content_info['new_path'] = $package_base_name . '/' . $content_info['new_path'];
1176 if ($content_info['type']=='imswl_xmlv1p0'){
1177 $weblinks_parser = new WeblinksParser();
1178 $xml_content = @file_get_contents($import_path . $content_info['href']);
1179 $weblinks_parser->parse($xml_content);
1180 $content_info['title'] = $weblinks_parser->getTitle();
1181 $content = $weblinks_parser->getUrl();
1182 $content_folder_type = CONTENT_TYPE_WEBLINK;
1183 $content_formatting = 2;
1185 $head = addslashes($head);
1186 $content_info['title'] = addslashes($content_info['title']);
1187 $content_info['test_message'] = addslashes($content_info['test_message']);
1189 //if this file is a test_xml, create a blank page instead, for imscc.
1190 if (preg_match('/((.*)\/)*tests\_[0-9]+\.xml$/', $content_info['href'])
1191 || preg_match('/imsqti\_(.*)/', $content_info['type'])) {
1194 $content = addslashes($content);
1197 //check for content_type
1198 if ($content_formatting!=CONTENT_TYPE_WEBLINK){
1199 $content_folder_type = (!isset($content_info['type'])?CONTENT_TYPE_FOLDER:CONTENT_TYPE_CONTENT);
1202 $sql= 'INSERT INTO '.TABLE_PREFIX.'content'
1211 use_customized_head,
1219 ('.$_SESSION['course_id'].','
1220 .intval($content_parent_id).','
1221 .($content_info['ordering'] + $my_offset - $lti_offset[$content_info['parent_content_id']] + 1).','
1222 .'"'.$last_modified.'",
1224 .$content_formatting.' ,
1229 .'"'.$content_info['new_path'].'",'
1230 .'"'.$content_info['title'].'",'
1232 .'"'.$content_info['test_message'].'",'
1233 .$content_folder_type.')';
1235 $result = mysql_query($sql, $db) or die(mysql_error());
1237 /* get the content id and update $items */
1238 $items[$item_id]['real_content_id'] = mysql_insert_id($db);
1240 /* get the tests associated with this content */
1241 if (!empty($items[$item_id]['tests']) || strpos($items[$item_id]['type'], 'imsqti_xmlv1p2/imscc_xmlv1p0') !== false){
1242 $qti_import = new QTIImport($import_path);
1243 if (isset($items[$item_id]['tests'])){
1244 $loop_var = $items[$item_id]['tests'];
1246 $loop_var = $items[$item_id]['file'];
1249 foreach ($loop_var as $array_id => $test_xml_file){
1250 //check if this item is the qti item object, or it is the content item obj
1251 //switch it to qti obj if it's content item obj
1252 if ($items[$item_id]['type'] == 'webcontent'){
1253 $item_qti = $items[$array_id];
1255 $item_qti = $items[$item_id];
1257 //call subrountine to add the questions.
1258 $qids = addQuestions($test_xml_file, $item_qti, $import_path);
1261 if ($test_title==''){
1262 $test_title = $content_info['title'];
1265 $tid = $qti_import->importTest($test_title);
1267 //associate question and tests
1268 foreach ($qids as $order=>$qid){
1269 if (isset($qti_import->weights[$order])){
1270 $weight = round($qti_import->weights[$order]);
1274 $new_order = $order + 1;
1275 $sql = "INSERT INTO " . TABLE_PREFIX . "tests_questions_assoc" .
1276 "(test_id, question_id, weight, ordering, required) " .
1277 "VALUES ($tid, $qid, $weight, $new_order, 0)";
1278 $result = mysql_query($sql, $db);
1281 //associate content and test
1282 $sql = 'INSERT INTO ' . TABLE_PREFIX . 'content_tests_assoc' .
1283 '(content_id, test_id) ' .
1284 'VALUES (' . $items[$item_id]['real_content_id'] . ", $tid)";
1285 $result = mysql_query($sql, $db);
1287 // if (!$msg->containsErrors()) {
1288 // $msg->addFeedback('IMPORT_SUCCEEDED');
1293 /* get the a4a related xml */
1294 if (isset($items[$item_id]['a4a_import_enabled']) && isset($items[$item_id]['a4a']) && !empty($items[$item_id]['a4a'])) {
1295 $a4a_import = new A4aImport($items[$item_id]['real_content_id']);
1296 $a4a_import->setRelativePath($items[$item_id]['new_path']);
1297 $a4a_import->importA4a($items[$item_id]['a4a']);
1300 /* get the discussion tools (dependent to content)*/
1301 if (isset($items[$item_id]['forum']) && !empty($items[$item_id]['forum'])){
1302 foreach($items[$item_id]['forum'] as $forum_ref => $forum_link){
1303 $dt_parser = new DiscussionToolsParser();
1304 $dt_import = new DiscussionToolsImport();
1306 //if this forum has not been added, parse it and add it.
1307 if (!isset($added_dt[$forum_ref])){
1308 $xml_content = @file_get_contents($import_path . $forum_link);
1309 $dt_parser->parse($xml_content);
1310 $forum_obj = $dt_parser->getDt();
1311 $dt_import->import($forum_obj, $items[$item_id]['real_content_id']);
1312 $added_dt[$forum_ref] = $dt_import->getFid();
1314 //associate the fid and content id
1315 $dt_import->associateForum($items[$item_id]['real_content_id'], $added_dt[$forum_ref]);
1317 } elseif ($items[$item_id]['type']=='imsdt_xmlv1p0'){
1318 //optimize this, repeated codes as above
1319 $dt_parser = new DiscussionToolsParser();
1320 $dt_import = new DiscussionToolsImport();
1321 $xml_content = @file_get_contents($import_path . $content_info['href']);
1322 $dt_parser->parse($xml_content);
1323 $forum_obj = $dt_parser->getDt();
1324 $dt_import->import($forum_obj, $items[$item_id]['real_content_id']);
1325 $added_dt[$item_id] = $dt_import->getFid();
1327 //associate the fid and content id
1328 $dt_import->associateForum($items[$item_id]['real_content_id'], $added_dt[$item_id]);
1332 if ($package_base_path == '.') {
1333 $package_base_path = '';
1336 // loop through the files outside the package folder, and copy them to its relative path
1337 if (is_dir(AT_CONTENT_DIR . 'import/'.$_SESSION['course_id'].'/resources')) {
1338 $handler = opendir(AT_CONTENT_DIR . 'import/'.$_SESSION['course_id'].'/resources');
1339 while ($file = readdir($handler)){
1340 $filename = AT_CONTENT_DIR . 'import/'.$_SESSION['course_id'].'/resources/'.$file;
1341 if(is_file($filename)){
1342 @rename($filename, AT_CONTENT_DIR .$_SESSION['course_id'].'/'.$package_base_name.'/'.$file);
1347 //takes care of the condition where the whole package doesn't have any contents but question banks
1348 if(is_array($all_package_base_path)){
1349 $all_package_base_path = implode('/', $all_package_base_path);
1352 if (@rename($import_path.$all_package_base_path, AT_CONTENT_DIR .$_SESSION['course_id'].'/'.$package_base_name) === false) {
1353 if (!$msg->containsErrors()) {
1354 $msg->addError('IMPORT_FAILED');
1357 //check if there are still resources missing
1358 foreach($items as $idetails){
1359 $temp_path = pathinfo($idetails['href']);
1360 @rename(AT_CONTENT_DIR . 'import/'.$_SESSION['course_id'].'/'.$temp_path['dirname'], AT_CONTENT_DIR .$_SESSION['course_id'].'/'.$package_base_name . '/' . $temp_path['dirname']);
1362 clr_dir(AT_CONTENT_DIR . 'import/'.$_SESSION['course_id']);
1364 if (file_exists($full_filename)) {
1365 @unlink($full_filename);
1369 if ($_POST['s_cid']){
1370 if (!$msg->containsErrors()) {
1371 $msg->addFeedback('ACTION_COMPLETED_SUCCESSFULLY');
1373 header('Location: ../editor/edit_content.php?cid='.intval($_POST['cid']));
1376 if (!$msg->containsErrors()) {
1377 $msg->addFeedback('ACTION_COMPLETED_SUCCESSFULLY');
1379 if ($_GET['tile']) {
1380 header('Location: '.AT_BASE_HREF.'mods/_standard/tile_search/index.php');
1382 header('Location: ./index.php?cid='.intval($_POST['cid']));