*/
/**
==============================================================================
* Dokeos Metadata: create and manage table entries for SCORM package
*
* @package dokeos.metadata
==============================================================================
*/
// PRELIMS -------------------------------------------------------------------->
$getpostvars = array('sdisub','workWith','sdi','smo'); require('md_funcs.php');
define('EID_TYPE', 'Scorm'); define('TPLEN', strlen(EID_TYPE) + 1);
require('md_' . strtolower(EID_TYPE) . '.php');
// name of the language file that needs to be included
$language_file = 'md_' . strtolower(EID_TYPE);
include('../inc/global.inc.php');
$nameTools = get_lang('Tool');
if (!isset($sdisub)) $sdisub = '';
$sdisub = substr(ereg_replace("[^0-9A-Za-z]", "", $sdisub), 0, 4);
// $sdisub is for split manifests - Scorm.NNN.$sdisub_xxx e.g. Scorm.3.1979_12
define('MFFNAME', 'imsmanifest'); define('MFFDEXT', '.xml');
define('HTF', 'mdp_scorm.htt');
$regs = array();
($nameTools && get_lang('Sorry')) or give_up(
'Language file ' . $language_file . " doesn't define 'Tool' and 'Sorry'");
$_course = api_get_course_info(); isset($_course) or give_up(get_lang('Sorry'));
$is_allowed_to_edit = isset($_user['user_id']) && $is_courseMember && is_allowed_to_edit();
if (!$is_allowed_to_edit) give_up(get_lang('Denied'));
$baseWorkDir = get_course_path() . ($courseDir = $_course['path'] . '/scorm');
$mdStore = new mdstore($is_allowed_to_edit); // create table if needed
require(api_get_path(LIBRARY_PATH) . 'xmd.lib.php');
require(api_get_path(LIBRARY_PATH) . 'xht.lib.php');
require(api_get_path(LIBRARY_PATH) . 'fileManage.lib.php');
require('md_phpdig.php');
// SET CURRENT SCORM DIRECTORY - HEADER --------------------------------------->
if (isset($workWith)) // explicit in URL, or selected at bottom of screen
{
$scormdocument = Database::get_course_table(TABLE_LP_MAIN);
$sql = "SELECT id FROM $scormdocument WHERE path='". Database::escape_string(api_substr($workWith,1)) . "' OR path='". Database::escape_string(substr($workWith,1)) . "/.'";
$result = Database::query($sql);
if (Database::num_rows($result) == 1)
{
if (($row = Database::fetch_array($result)))
{
$sdi = $row['id'];
}
}
}
if (isset($sdi) && is_numeric($sdi) && $sdi > 0 && $sdi == (int) $sdi)
{
$mdObj = new mdobject($_course, $sdi); $workWith = $mdObj->mdo_path;
$hdrInfo = ' ' . get_lang('WorkOn') . ' ' .
($workWith ? htmlspecialchars($workWith, ENT_QUOTES, $charset) . ', ' : '') .
'SD-id= ' . htmlspecialchars($sdi, ENT_QUOTES, $charset) .
($sdisub ? ' (' . htmlspecialchars($sdisub, ENT_QUOTES, $charset) . ')' : '');
}
else
{
unset($sdi); $mdObj = new mdobject($_course, 0);
if ($workWith) $hdrInfo = ' (' . htmlspecialchars($workWith, ENT_QUOTES, $charset) .
': ' . get_lang('NotInDB') . ')'; unset($workWith);
}
define('UZYX', 'UZYX'); // magic word to repeat for all $sdisub
if (($sdiall = ($sdisub == UZYX)))
{
$sdisub = ''; $sdiall = array();
if (($dh = opendir($baseWorkDir . $workWith)))
{
while (FALSE !== ($file = readdir($dh)))
if (ereg('^'.MFFNAME.'(.+)\\'.MFFDEXT .'$', $file, $regs))
$sdiall[] = $regs[1];
closedir($dh);
}
sort($sdiall);
}
$originalHdrInfo = $hdrInfo;
function slurpmanifest()
{
global $baseWorkDir, $workWith, $sdisub, $mfContents, $xht_doc, $charset;
$fmff = $baseWorkDir .'/'. $workWith . '/' . MFFNAME . $sdisub . MFFDEXT;
if (file_exists($fmff))
{
if (($mfContents = @fgc($fmff)))
{
set_time_limit(120); // for analyzing the manifest file
$xht_doc = new xmddoc(explode("\n", $mfContents));
if (!$xht_doc->error) return ''; // keeping $mfContents and $xht_doc
unset($mfContents);
return get_lang('ManifestSyntax') . ' ' . htmlspecialchars($xht_doc->error, ENT_QUOTES, $charset);
}
else
{
return get_lang('EmptyManifest');
}
}
else
{
return get_lang('NoManifest');
}
}
if (isset($workWith)) // now checked to be a valid path in scormdocument
{
if ($mdObj->mdo_filetype == 'folder') // a folder with a manifest?
{
if (($errmsg = slurpmanifest())) $hdrInfo .= ' ' . $errmsg;
}
else
{
$hdrInfo .= ' ' . get_lang('NotFolder'); unset($sdi);
}
}
$mdObj->mdo_add_breadcrump_nav(); // see 'md_' . EID_TYPE . '.php'
if (isset($sdi)) $interbreadcrumb[]= array(
'url' => api_get_self() . '?sdi=' . urlencode($sdi) .
($sdisub ? '&sdisub=' . urlencode($sdisub) :
($sdiall ? '&sdisub='.UZYX : '')),
'name'=> get_lang('Continue') . ' ' . $sdi .
($sdisub ? ' (' . $sdisub . ')' : ($sdiall ? ' ('.UZYX.')' : '')));
$htmlHeadXtra[] = '
';
Display::display_header($nameTools);
// OPERATIONS ----------------------------------------------------------------->
if (isset($smo)) echo '
', $smo, '
', "\n"; // selected manifest op
if (isset($smo))
if ($smo == get_lang('UploadMff'))
{
if (is_uploaded_file($filespec = $_FILES['import_file']['tmp_name']) &&
filesize($filespec) && ($myFile = @fopen($filespec, 'r')))
{
fclose($myFile);
if (move_uploaded_file($filespec,
$baseWorkDir . $workWith . '/' . MFFNAME . $sdisub . MFFDEXT))
{
echo get_lang('MffOk'); $hdrInfo = $originalHdrInfo;
if (($errmsg = slurpmanifest())) $hdrInfo .= ' ' . $errmsg;
}
else echo get_lang('MffNotOk');
}
else echo get_lang('MffFileNotFound');
}
elseif ($smo == get_lang('UploadHtt'))
{
$filespec = $_FILES['import_file']['tmp_name'];
if (is_uploaded_file($filespec) && filesize($filespec) && ($myFile = @fopen($filespec, 'r')))
{
fclose($myFile);
$htt_file = $baseWorkDir .'/'. $workWith . '/' . HTF;
if (move_uploaded_file($filespec,$htt_file))
{
echo get_lang('HttOk');
}
else
{
echo get_lang('HttNotOk');
}
}
else
{
echo get_lang('HttFileNotFound');
}
}
elseif ($smo == get_lang('RemoveHtt'))
{
@unlink($fhtf = $baseWorkDir . $workWith . '/' . HTF);
if (file_exists($fhtf))
echo get_lang('HttRmvNotOk');
else echo get_lang('HttRmvOk');
}
elseif ($smo == get_lang('Import'))
{
define('TREETOP', 'organizations/organization');
define('TITLE', 'title');
define('SUBITEM', 'item');
define('IDENTIF', 'identifier');
define('ITEMID', '@'.IDENTIF);
define('SUBIT', SUBITEM.'/'.ITEMID);
define('RESOURCE', 'resources/resource');
define('WHERE', ITEMID);
define('ISITEM', '@identifierref');
define('HREF', 'href');
define('WEBF', '@'.HREF);
define('FILE', 'file');
define('THUMB', FILE.'[1]/'.WEBF);
function resource_for($elem)
{
global $xht_doc;
$resForItem = $xht_doc->xmd_select_elements_where(RESOURCE,
WHERE, $xht_doc->xmd_value(ISITEM, $elem));
return (count($resForItem) == 0) ? -1 : $resForItem[0];
}
function store_md_and_traverse_subitems($mfdocId, $level, $counter,
$contextElem, $treeElem, $parentElem)
{
global $_user, $xht_doc, $mdStore, $mdObj, $sdisub, $charset;
// $contextElem -> @identifier, metadata/lom
// $treeElem -> title, items
$itemId = $xht_doc->xmd_value(ITEMID, $contextElem);
if ($sdisub && $level == 1 && $sdisub != $itemId) return;
// - :
// ...
//
// ...
//
// ...
//
// ...
//
set_time_limit(30); // again 30 seconds from here on...
$mddoc = new xmddoc(' '); // version, name ?
$mddoc->xmd_set_attribute(0, 'level', $level, FALSE);
$mddoc->xmd_set_attribute(0, 'number', $counter, FALSE);
$mddoc->xmd_set_attribute(0, IDENTIF, $itemId, FALSE);
if ($level == 0)
{
$mddoc->xmd_set_attribute(0, 'created', date('Y/m/d H:i:s'), FALSE);
$mddoc->xmd_set_attribute(0, 'by', $_user['user_id'], FALSE);
}
$mddoc->xmd_add_text_element(TITLE,
$xht_doc->xmd_value(TITLE, $treeElem));
if (($ppnId = $xht_doc->xmd_value(ITEMID, $parentElem))) $mddoc->
xmd_add_element('parent', 0, array(IDENTIF => $ppnId));
if (($ppnId = $xht_doc->xmd_value('-'.SUBIT, $treeElem))) $mddoc->
xmd_add_element('previous', 0, array(IDENTIF => $ppnId));
if (($ppnId = $xht_doc->xmd_value('+'.SUBIT, $treeElem))) $mddoc->
xmd_add_element('next', 0, array(IDENTIF => $ppnId));
if (($srcElem = resource_for($treeElem)) > 0)
{
// change stuff below to xmd_copy_foreign_child ?
$resElem = $mddoc->xmd_add_element('resource', 0,
array(HREF => $xht_doc->xmd_value(WEBF, $srcElem)));
foreach ($xht_doc->xmd_select_elements(FILE, $srcElem) as $fileElem)
$mddoc->xmd_add_element(FILE, $resElem,
array(HREF => $xht_doc->xmd_value(WEBF, $fileElem)));
}
$mddoc->xmd_copy_foreign_child($xht_doc,
$xht_doc->xmd_select_single_element('metadata', $contextElem));
foreach ($xht_doc->xmd_select_elements(SUBITEM, $treeElem) as $subElem)
$mddoc->xmd_add_element('child', 0,
array(IDENTIF => $xht_doc->xmd_value(ITEMID, $subElem)));
$mdt = $mddoc->xmd_xml();
$xhtDoc = $mdObj->mdo_define_htt();
$xhtDoc->xht_xmldoc = $mddoc; // $xhtDoc->xht_param['xxx'] = 'yyy';
$mdStore->mds_put($eid = EID_TYPE . '.' . $mfdocId . '.' . $itemId,
$mdt, 'mdxmltext', '?');
$mdStore->mds_put($eid, $ixt =
$xhtDoc->xht_fill_template('INDEXABLETEXT'), 'indexabletext');
if ($level == 0) // store a copy as 'Scorm.nnn'
{
$mdStore->mds_put(EID_TYPE . '.' . $mfdocId, $mdt, 'mdxmltext', '?');
$mdStore->mds_put(EID_TYPE . '.' . $mfdocId, $ixt, 'indexabletext');
}
echo $level <= 1 ? '
'.$level.'/ ' : ' ', htmlspecialchars($itemId, ENT_QUOTES, $charset);
flush(); $loopctr = 0;
foreach ($xht_doc->xmd_select_elements(SUBITEM, $treeElem) as $subElem)
{
store_md_and_traverse_subitems($mfdocId, $level + 1, ++$loopctr,
$subElem, $subElem, $contextElem);
// note: replacing this recursion by queue+loop makes it slower!
}
}
function content_for_index_php($scid)
{
// 'if {}' and 'else {}' are string literals spanning several lines
return '', api_get_path(SYS_PATH),
str_replace('', $scid, // 2 * replace in $drs-line below
'
else
{
$drs = ""; $scormid = "";
require($drs. "main/metadata/playscormmdset.inc.php");
}
' )) . '?' . '>';
}
if ($mfContents)
{
if ($sdiall)
{
foreach ($sdiall as $sdisub)
{
if (($errmsg = slurpmanifest()))
echo '? ', $sdisub, ': ', $errmsg, '
';
else
store_md_and_traverse_subitems($sdi, 0, 1, 0,
$xht_doc->xmd_select_single_element(TREETOP), -1);
}
$sdisub = '';
}
else // just once, slurpmanifest() has already been done
store_md_and_traverse_subitems($sdi, 0, 1, 0,
$xht_doc->xmd_select_single_element(TREETOP), -1);
$playIt = $baseWorkDir .'/'. $workWith . '/index.php';
$fileHandler = @fopen($playIt, 'w');
@fwrite($fileHandler, content_for_index_php($sdi));
@fclose($fileHandler);
echo '
', htmlspecialchars($workWith, ENT_QUOTES, $charset);
if (file_exists($playIt)) echo '/index.php ',
htmlspecialchars(date('Y/m/d H:i:s', filemtime($playIt)), ENT_QUOTES, $charset);
}
}
elseif ($smo == get_lang('Remove') && $sdisub)
{
$screm = EID_TYPE . '.' . $sdi . '.' . $sdisub;
$mdStore->mds_delete_offspring($screm, '\_'); // SQL LIKE underscore
echo htmlspecialchars($screm . '_*: ' . Database::affected_rows(), ENT_QUOTES, $charset), '
';
}
elseif ($smo == get_lang('Remove')) // remove all, regardless of $sdiall
{
$mdStore->mds_delete($screm = EID_TYPE . '.' . $sdi);
echo htmlspecialchars($screm . ': ' . Database::affected_rows(), ENT_QUOTES, $charset), '
';
$mdStore->mds_delete_offspring($screm);
echo htmlspecialchars($screm . '.*: ' . Database::affected_rows(), ENT_QUOTES, $charset), '
',
'' . get_lang('AllRemovedFor') . ' ' . $screm . '
';
}
elseif ($smo == get_lang('Index') && file_exists($phpDigIncCn) &&
ereg('^http://([^/]+)/(.+)/index\.php$', $mdObj->mdo_url, $regs))
{
$result = $mdStore->mds_get_many('eid,mdxmltext,indexabletext',
"eid LIKE '" . EID_TYPE . "." . $sdi .
($sdisub ? "." . $sdisub . "\_%'" : ".%'") .
($sdiall ? "" : " AND NOT INSTR(eid,'_')")); // SQL LIKE underscore
while ($row = Database::fetch_array($result)) // load indexabletexts in memory
{
// URL: index.php[?sid=xxx[&thumb=yyy]] (file[1]/@href: pptslnnn_t.jpg)
$th = ''; $indtxt = $row['indexabletext'];
if (($fh = strpos($rx = $row['mdxmltext'], 'file href="')) !== FALSE)
if (($cq = strpos($rx, '"', $fh += 11)) !== FALSE)
if (ereg('^pptsl[0-9]+_t\.jpg$', $thwf = substr($rx, $fh, $cq - $fh)))
$th = '&thumb=' . urlencode($thwf);
if ($th == '' && ($sclvl = strpos($indtxt, 'scorm-level-')) !== FALSE)
$th = '&thumb=scorm-level-' . $indtxt{$sclvl + 12} . '.jpg';
$idt[($dotpos = strpos($ri = $row['eid'], '.', TPLEN)) !== FALSE ?
('index.php?sid=' . urlencode(substr($ri, $dotpos+1)) . $th) :
'index.php'] = $indtxt;
}
require($phpDigIncCn); // switch to PhpDig DB
if (($site_id = remove_engine_entries('http://' . $regs[1] .'/', $path =
$regs[2] . '/', $sdisub ? 'index.php?sid=' . $sdisub . '_' : '')))
{
echo '', "\n";
foreach ($idt as $url => $text)
{
set_time_limit(30); // again 30 seconds from here on...
index_words($site_id, $path, $url,
get_first_words($text, $path, $url), get_keywords($text));
}
echo '
', "\n";
}
// possible enhancement: UPDATE spider record for still existing pages
if(isset($db)) {
//mysql_select_db($_configuration['main_database'], $db);
Database::select_db($_configuration['main_database'], $db);
}
}
elseif ($smo == get_lang('Index'))
{
echo 'Problem! PhpDig connect.php has gone or else URL "' .
htmlspecialchars($mdObj->mdo_url, ENT_QUOTES, $charset) .
'" is not like "http://xxxx/yyy.../zzz/index.php"';
}
// STATISTICS ----------------------------------------------------------------->
echo '', get_lang('Statistics'), '
', "\n";
$result = $mdStore->mds_get_many('eid', "eid LIKE '" . EID_TYPE . ".%'");
echo get_lang('TotalMDEs'), Database::num_rows($result), "\n";
while ($row = Database::fetch_array($result))
{
$eid_id = substr($eid = $row['eid'], TPLEN);
if (($dotpos = strpos($eid_id, '.')))
$eid_id = substr($eid_id, 0, $dotpos);
else
$mdtmain[$eid_id] = $mdStore->mds_get($eid);
$perId[$eid_id] = ($pi = $perId[$eid_id]) ? $pi + 1 : 1;
}
if (isset($sdi))
{
$mdo = new mdobject($_course, $sdi);
echo '
', htmlspecialchars($mdo->mdo_path, ENT_QUOTES, $charset), ', SD-id ', $sdi, ': ',
($perId[$sdi] ? $perId[$sdi] : '0'), ' ',
($mdtmain[$sdi] ? '- " .
get_lang('MainMD') . '' : ''), "\n";
}
if (count($perId))
{
foreach ($perId as $id => $number)
{
$mdo = new mdobject($_course, $id);
if (!($pth = $mdo->mdo_path))
{
$pth = $mdtmain[$id]; // fetch something simple without parsing
if ($ttopen = strpos($pth, ''))
if ($ttclose = strpos($pth, '', $ttopen))
$pth = ' ' . api_html_entity_decode
(substr($pth, $ttopen+7, $ttclose-$ttopen-7), ENT_QUOTES, $charset);
else $pth = ' ' . substr($pth, $ttopen+7, 30);
else $pth = ' ' . substr($pth, 0, 30);
}
$pathId[$pth] = $id;
}
echo '
', "\n"; ksort($pathId); $wwl = strlen($workWith);
foreach ($pathId as $pth => $id) if ($wwl == 0 ||
($wwl < strlen($pth) && substr($pth, 0, $wwl) == $workWith))
{
$tmfdt = file_exists($tfmff = $baseWorkDir . $pth . '/' . MFFNAME . $sdisub . MFFDEXT) ?
date('Y/m/d H:i:s', filemtime($tfmff)) : '-';
echo '', htmlspecialchars($tmfdt, ENT_QUOTES, $charset), ' | ',
'', htmlspecialchars($pth, ENT_QUOTES, $charset),
' | (SD-id ', $id,
'): | ', $perId[$id], ' |
', "\n";
}
echo '
', "\n";
}
if ($mfContents)
{
echo $workWith, '/', MFFNAME . $sdisub . MFFDEXT, ': ',
htmlspecialchars(date('Y/m/d H:i:s', filemtime($fmff)), ENT_QUOTES, $charset) , ", \n",
substr_count($mfContents, "\n") + 1,
' ' . get_lang('Lines') . '.', "\n";
if (!$sdisub && ($dh = opendir($baseWorkDir . $workWith)))
{
$nsplit = array();
while (FALSE !== ($file = readdir($dh)))
if (ereg('^'.MFFNAME.'(.+)\\'.MFFDEXT .'$', $file, $regs))
{
$nsplit []= $regs[1];
}
closedir($dh);
if (count($nsplit))
{
echo '
', get_lang('SplitData'); sort($nsplit);
foreach ($nsplit as $ns)
{
$result = $mdStore->mds_get_many('eid', "eid LIKE '" .
EID_TYPE . "." . $sdi . "." . $ns . "\_%'");
$nns = Database::num_rows($result);
echo $ns, $nns ? '_ ' . $nns : '', '; ';
}
echo '
';
}
}
}
if (file_exists($baseWorkDir . $workWith . '/index.php'))
echo "mdo_url . "', '', '')\">" . get_lang('Play'), '', "\n";
if (file_exists($fhtf = $baseWorkDir . $workWith . '/' . HTF))
echo '
', $workWith, '/', HTF, ': ',
htmlspecialchars(date('Y/m/d H:i:s', filemtime($fhtf)), ENT_QUOTES, $charset) , "\n";
// SELECT & FOOTER ------------------------------------------------------------>
if ($mfContents || $xht_doc->error)
{
echo '', get_lang('UploadMff'), "
\n\n",
'\n";
}
echo '', get_lang('UploadHtt'), file_exists($fhtf) ?
(' + ' . get_lang('RemoveHtt')) : '', "
\n\n",
'\n";
echo '', $nameTools, $hdrInfo, '
', "\n";
if ($mfContents || $perId[$sdi]) // buttons for manifest operations
{
echo '', "\n";
}
else
{
echo '(', get_lang('NonePossible'), '...)';
}
function showSelectForm($label, $specifics)
{
echo '', "\n",
' |
', "\n";
}
echo '', get_lang('OrElse'), '
', "\n', "\n";
Display::display_footer();
?>