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2837 lines
132 KiB
2837 lines
132 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* This is the document library for Chamilo.
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* It is / will be used to provide a service layer to all document-using tools.
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* and eliminate code duplication fro group documents, scorm documents, main documents.
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* Include/require it in your code to use its functionality.
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*
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* @package chamilo.library
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*/
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/**
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* Code
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*/
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require_once api_get_path(LIBRARY_PATH).'course.lib.php';
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require_once api_get_path(LIBRARY_PATH).'usermanager.lib.php';
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require_once api_get_path(LIBRARY_PATH).'sessionmanager.lib.php';
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/* CONSTANTS */
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define('DISK_QUOTA_FIELD', 'disk_quota'); //name of the database field
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//Default quota for the course documents folder
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$default_quota = api_get_setting('default_document_quotum');
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//Just in case the setting is not correctly set
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if (empty($default_quota)) {
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$default_quota = 100000000;
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}
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define('DEFAULT_DOCUMENT_QUOTA', $default_quota);
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/**
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* @package chamilo.library
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*/
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class DocumentManager {
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private function __construct() {
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}
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/**
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* @return the document folder quota for the current course, in bytes, or the default quota
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* @todo eliminate globals
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*/
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public static function get_course_quota() {
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$course_info = api_get_course_info();
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if (empty($course_info)) {
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return DEFAULT_DOCUMENT_QUOTA;
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}
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$course_code = Database::escape_string($course_info['code']);
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$course_table = Database::get_main_table(TABLE_MAIN_COURSE);
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$sql_query = "SELECT ".DISK_QUOTA_FIELD." FROM $course_table WHERE code = '$course_code'";
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$sql_result = Database::query($sql_query);
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$course_quota = null;
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if (Database::num_rows($sql_result)) {
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$result = Database::fetch_array($sql_result);
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$course_quota = $result[DISK_QUOTA_FIELD];
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}
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if (is_null($course_quota) || empty($course_quota)) {
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// Course table entry for quota was null, then use default value
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$course_quota = DEFAULT_DOCUMENT_QUOTA;
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}
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return $course_quota;
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}
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/**
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* Get the content type of a file by checking the extension
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* We could use mime_content_type() with php-versions > 4.3,
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* but this doesn't work as it should on Windows installations
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*
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* @param string $filename or boolean TRUE to return complete array
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* @author ? first version
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* @author Bert Vanderkimpen
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*
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*/
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public static function file_get_mime_type($filename) {
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// All MIME types in an array (from 1.6, this is the authorative source)
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// Please, keep this alphabetical if you add something to this list!
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$mime_types = array(
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'ai' => 'application/postscript',
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'aif' => 'audio/x-aiff',
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'aifc' => 'audio/x-aiff',
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'aiff' => 'audio/x-aiff',
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'asf' => 'video/x-ms-asf',
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'asc' => 'text/plain',
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'au' => 'audio/basic',
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'avi' => 'video/x-msvideo',
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'bcpio' => 'application/x-bcpio',
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'bin' => 'application/octet-stream',
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'bmp' => 'image/bmp',
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'cdf' => 'application/x-netcdf',
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'class' => 'application/octet-stream',
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'cpio' => 'application/x-cpio',
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'cpt' => 'application/mac-compactpro',
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'csh' => 'application/x-csh',
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'css' => 'text/css',
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'dcr' => 'application/x-director',
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'dir' => 'application/x-director',
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'djv' => 'image/vnd.djvu',
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'djvu' => 'image/vnd.djvu',
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'dll' => 'application/octet-stream',
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'dmg' => 'application/x-diskcopy',
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'dms' => 'application/octet-stream',
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'doc' => 'application/msword',
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'docm' => 'application/vnd.ms-word.document.macroEnabled.12',
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'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
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'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
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'dvi' => 'application/x-dvi',
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'dwg' => 'application/vnd.dwg',
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'dxf' => 'application/vnd.dxf',
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'dxr' => 'application/x-director',
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'eps' => 'application/postscript',
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'epub' => 'application/epub+zip',
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'etx' => 'text/x-setext',
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'exe' => 'application/octet-stream',
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'ez' => 'application/andrew-inset',
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'gif' => 'image/gif',
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'gtar' => 'application/x-gtar',
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'gz' => 'application/x-gzip',
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'hdf' => 'application/x-hdf',
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'hqx' => 'application/mac-binhex40',
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'htm' => 'text/html',
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'html' => 'text/html',
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'ice' => 'x-conference-xcooltalk',
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'ief' => 'image/ief',
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'iges' => 'model/iges',
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'igs' => 'model/iges',
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'jar' => 'application/java-archiver',
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'jpe' => 'image/jpeg',
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'jpeg' => 'image/jpeg',
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'jpg' => 'image/jpeg',
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'js' => 'application/x-javascript',
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'kar' => 'audio/midi',
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'lam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
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'latex' => 'application/x-latex',
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'lha' => 'application/octet-stream',
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'log' => 'text/plain',
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'lzh' => 'application/octet-stream',
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'm1a' => 'audio/mpeg',
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'm2a' => 'audio/mpeg',
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'm3u' => 'audio/x-mpegurl',
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'man' => 'application/x-troff-man',
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'me' => 'application/x-troff-me',
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'mesh' => 'model/mesh',
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'mid' => 'audio/midi',
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'midi' => 'audio/midi',
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'mov' => 'video/quicktime',
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'movie' => 'video/x-sgi-movie',
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'mp2' => 'audio/mpeg',
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'mp3' => 'audio/mpeg',
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'mp4' => 'video/mpeg4-generic',
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'mpa' => 'audio/mpeg',
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'mpe' => 'video/mpeg',
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'mpeg' => 'video/mpeg',
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'mpg' => 'video/mpeg',
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'mpga' => 'audio/mpeg',
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'ms' => 'application/x-troff-ms',
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'msh' => 'model/mesh',
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'mxu' => 'video/vnd.mpegurl',
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'nc' => 'application/x-netcdf',
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'oda' => 'application/oda',
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'oga'=> 'audio/ogg',
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'ogg'=> 'application/ogg',
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'ogx'=> 'application/ogg',
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'ogv'=> 'video/ogg',
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'pbm' => 'image/x-portable-bitmap',
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'pct' => 'image/pict',
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'pdb' => 'chemical/x-pdb',
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'pdf' => 'application/pdf',
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'pgm' => 'image/x-portable-graymap',
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'pgn' => 'application/x-chess-pgn',
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'pict' => 'image/pict',
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'png' => 'image/png',
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'pnm' => 'image/x-portable-anymap',
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'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12',
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'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
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'pps' => 'application/vnd.ms-powerpoint',
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'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12',
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'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',
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'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
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'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
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'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
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'ppm' => 'image/x-portable-pixmap',
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'ppt' => 'application/vnd.ms-powerpoint',
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'pps' => 'application/vnd.ms-powerpoint',
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'ps' => 'application/postscript',
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'qt' => 'video/quicktime',
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'ra' => 'audio/x-realaudio',
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'ram' => 'audio/x-pn-realaudio',
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'rar' => 'image/x-rar-compressed',
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'ras' => 'image/x-cmu-raster',
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'rgb' => 'image/x-rgb',
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'rm' => 'audio/x-pn-realaudio',
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'roff' => 'application/x-troff',
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'rpm' => 'audio/x-pn-realaudio-plugin',
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'rtf' => 'text/rtf',
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'rtx' => 'text/richtext',
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'sgm' => 'text/sgml',
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'sgml' => 'text/sgml',
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'sh' => 'application/x-sh',
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'shar' => 'application/x-shar',
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'silo' => 'model/mesh',
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'sib' => 'application/X-Sibelius-Score',
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'sit' => 'application/x-stuffit',
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'skd' => 'application/x-koan',
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'skm' => 'application/x-koan',
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'skp' => 'application/x-koan',
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'skt' => 'application/x-koan',
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'smi' => 'application/smil',
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'smil' => 'application/smil',
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'snd' => 'audio/basic',
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'so' => 'application/octet-stream',
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'spl' => 'application/x-futuresplash',
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'src' => 'application/x-wais-source',
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'sv4cpio' => 'application/x-sv4cpio',
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'sv4crc' => 'application/x-sv4crc',
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'svf' => 'application/vnd.svf',
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'svg' => 'image/svg+xml',
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//'svgz' => 'image/svg+xml',
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'swf' => 'application/x-shockwave-flash',
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'sxc' => 'application/vnd.sun.xml.calc',
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'sxi' => 'application/vnd.sun.xml.impress',
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'sxw' => 'application/vnd.sun.xml.writer',
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't' => 'application/x-troff',
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'tar' => 'application/x-tar',
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'tcl' => 'application/x-tcl',
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'tex' => 'application/x-tex',
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'texi' => 'application/x-texinfo',
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'texinfo' => 'application/x-texinfo',
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'tga' => 'image/x-targa',
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'tif' => 'image/tif',
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'tiff' => 'image/tiff',
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'tr' => 'application/x-troff',
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'tsv' => 'text/tab-seperated-values',
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'txt' => 'text/plain',
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'ustar' => 'application/x-ustar',
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'vcd' => 'application/x-cdlink',
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'vrml' => 'model/vrml',
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'wav' => 'audio/x-wav',
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'wbmp' => 'image/vnd.wap.wbmp',
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'wbxml' => 'application/vnd.wap.wbxml',
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'wml' => 'text/vnd.wap.wml',
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'wmlc' => 'application/vnd.wap.wmlc',
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'wmls' => 'text/vnd.wap.wmlscript',
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'wmlsc' => 'application/vnd.wap.wmlscriptc',
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'wma' => 'video/x-ms-wma',
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'wmv' => 'audio/x-ms-wmv',
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'wrl' => 'model/vrml',
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'xbm' => 'image/x-xbitmap',
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'xht' => 'application/xhtml+xml',
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'xhtml' => 'application/xhtml+xml',
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'xls' => 'application/vnd.ms-excel',
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'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
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'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
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'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
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'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12',
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'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
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'xml' => 'text/xml',
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'xpm' => 'image/x-xpixmap',
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'xsl' => 'text/xml',
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'xwd' => 'image/x-windowdump',
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'xyz' => 'chemical/x-xyz',
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'zip' => 'application/zip'
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);
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if ($filename === true) {
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return $mime_types;
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}
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//get the extension of the file
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$extension = explode('.', $filename);
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//$filename will be an array if a . was found
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if (is_array($extension)) {
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$extension = strtolower($extension[sizeof($extension) - 1]);
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}
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//file without extension
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else {
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$extension = 'empty';
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}
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//if the extension is found, return the content type
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if (isset($mime_types[$extension])) {
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return $mime_types[$extension];
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}
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//else return octet-stream
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return 'application/octet-stream';
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}
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/**
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* @return true if the user is allowed to see the document, false otherwise
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* @author Sergio A Kessler, first version
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* @author Roan Embrechts, bugfix
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* @todo ??not only check if a file is visible, but also check if the user is allowed to see the file??
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*/
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public static function file_visible_to_user ($this_course, $doc_url) {
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$current_session_id = api_get_session_id();
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$is_allowed_to_edit = api_is_allowed_to_edit(null, true);
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if ($is_allowed_to_edit) {
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return true;
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} else {
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$tbl_document = Database::get_course_table(TABLE_DOCUMENT);
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$tbl_item_property = $this_course.'item_property';
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$doc_url = Database::escape_string($doc_url);
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//$doc_url = addslashes($doc_url);
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$query = "SELECT 1 FROM $tbl_document AS docs,$tbl_item_property AS props
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WHERE props.tool = 'document' AND docs.id=props.ref AND props.visibility <> '1' AND docs.path = '$doc_url'";
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//echo $query;
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$result = Database::query($query);
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return (Database::num_rows($result) == 0);
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}
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}
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/**
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* This function streams a file to the client
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*
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* @param string $full_file_name
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* @param boolean $forced
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* @param string $name
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* @return false if file doesn't exist, true if stream succeeded
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*/
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public static function file_send_for_download($full_file_name, $forced = false, $name = '') {
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if (!is_file($full_file_name)) {
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return false;
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}
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$filename = ($name == '') ? basename($full_file_name) : replace_dangerous_char($name);
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$len = filesize($full_file_name);
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if ($forced) {
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//force the browser to save the file instead of opening it
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header('Content-type: application/octet-stream');
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//header('Content-Type: application/force-download');
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header('Content-length: '.$len);
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if (preg_match("/MSIE 5.5/", $_SERVER['HTTP_USER_AGENT'])) {
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header('Content-Disposition: filename= '.$filename);
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} else {
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header('Content-Disposition: attachment; filename= '.$filename);
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}
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if (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE')) {
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header('Pragma: ');
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header('Cache-Control: ');
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header('Cache-Control: public'); // IE cannot download from sessions without a cache
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}
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header('Content-Description: '.$filename);
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header('Content-transfer-encoding: binary');
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$fp = fopen($full_file_name, 'r');
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fpassthru($fp);
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return true;
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} else {
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//no forced download, just let the browser decide what to do according to the mimetype
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$content_type = self::file_get_mime_type($filename);
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header('Expires: Wed, 01 Jan 1990 00:00:00 GMT');
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header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT');
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// Commented to avoid double caching declaration when playing with IE and HTTPS
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//header('Cache-Control: no-cache, must-revalidate');
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//header('Pragma: no-cache');
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switch ($content_type) {
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case 'text/html':
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$encoding = @api_detect_encoding_html(file_get_contents($full_file_name));
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if (!empty($encoding)) {
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$content_type .= '; charset='.$encoding;
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}
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break;
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case 'text/plain':
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$encoding = @api_detect_encoding(strip_tags(file_get_contents($full_file_name)));
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if (!empty($encoding)) {
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$content_type .= '; charset='.$encoding;
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}
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break;
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}
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header('Content-type: '.$content_type);
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header('Content-Length: '.$len);
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$user_agent = strtolower($_SERVER['HTTP_USER_AGENT']);
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if (strpos($user_agent, 'msie')) {
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header('Content-Disposition: ; filename= '.$filename);
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} else {
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header('Content-Disposition: inline; filename= '.$filename);
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}
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readfile($full_file_name);
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return true;
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}
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}
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/**
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* This function streams a string to the client for download.
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* You have to ensure that the calling script then stops processing (exit();)
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* otherwise it may cause subsequent use of the page to want to download
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* other pages in php rather than interpreting them.
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*
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* @param string The string contents
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* @param boolean Whether "save" mode is forced (or opening directly authorized)
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* @param string The name of the file in the end (including extension)
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* @return false if file doesn't exist, true if stream succeeded
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*/
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public static function string_send_for_download($full_string, $forced = false, $name = '') {
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$filename = $name;
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$len = strlen($full_string);
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if ($forced) {
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//force the browser to save the file instead of opening it
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header('Content-type: application/octet-stream');
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//header('Content-Type: application/force-download');
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header('Content-length: '.$len);
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if (preg_match("/MSIE 5.5/", $_SERVER['HTTP_USER_AGENT'])) {
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header('Content-Disposition: filename= '.$filename);
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} else {
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header('Content-Disposition: attachment; filename= '.$filename);
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}
|
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if (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE')) {
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header('Pragma: ');
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header('Cache-Control: ');
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header('Cache-Control: public'); // IE cannot download from sessions without a cache
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}
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header('Content-Description: '.$filename);
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header('Content-transfer-encoding: binary');
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|
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//$fp = fopen($full_string, 'r');
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//fpassthru($fp);
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echo $full_string;
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return true;
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//You have to ensure that the calling script then stops processing (exit();)
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//otherwise it may cause subsequent use of the page to want to download
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//other pages in php rather than interpreting them.
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} else {
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//no forced download, just let the browser decide what to do according to the mimetype
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$content_type = self::file_get_mime_type($filename);
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header('Expires: Wed, 01 Jan 1990 00:00:00 GMT');
|
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header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT');
|
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header('Cache-Control: no-cache, must-revalidate');
|
|
header('Pragma: no-cache');
|
|
switch ($content_type) {
|
|
case 'text/html':
|
|
$encoding = @api_detect_encoding_html($full_string);
|
|
if (!empty($encoding)) {
|
|
$content_type .= '; charset='.$encoding;
|
|
}
|
|
break;
|
|
case 'text/plain':
|
|
$encoding = @api_detect_encoding(strip_tags($full_string));
|
|
if (!empty($encoding)) {
|
|
$content_type .= '; charset='.$encoding;
|
|
}
|
|
break;
|
|
}
|
|
header('Content-type: '.$content_type);
|
|
header('Content-Length: '.$len);
|
|
$user_agent = strtolower($_SERVER['HTTP_USER_AGENT']);
|
|
if (strpos($user_agent, 'msie')) {
|
|
header('Content-Disposition: ; filename= '.$filename);
|
|
} else {
|
|
header('Content-Disposition: inline; filename= '.$filename);
|
|
}
|
|
echo($full_string);
|
|
//You have to ensure that the calling script then stops processing (exit();)
|
|
//otherwise it may cause subsequent use of the page to want to download
|
|
//other pages in php rather than interpreting them.
|
|
return true;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Fetches all document data for the given user/group
|
|
*
|
|
* @param array $_course
|
|
* @param string $path
|
|
* @param int $to_group_id
|
|
* @param int $to_user_id
|
|
* @param boolean $can_see_invisible
|
|
* @return array with all document data
|
|
*/
|
|
public static function get_all_document_data($_course, $path = '/', $to_group_id = 0, $to_user_id = NULL, $can_see_invisible = false, $search =false) {
|
|
$TABLE_ITEMPROPERTY = Database::get_course_table(TABLE_ITEM_PROPERTY, $_course['dbName']);
|
|
$TABLE_DOCUMENT = Database::get_course_table(TABLE_DOCUMENT, $_course['dbName']);
|
|
$TABLE_COURSE = Database::get_main_table(TABLE_MAIN_COURSE);
|
|
|
|
//if to_user_id = NULL -> change query (IS NULL)
|
|
//$to_user_id = (is_null($to_user_id)) ? 'IS NULL' : '= '.$to_user_id;
|
|
if (!is_null($to_user_id)) {
|
|
$to_field = 'last.to_user_id';
|
|
$to_value = $to_user_id;
|
|
} else {
|
|
$to_field = 'last.to_group_id';
|
|
$to_value = $to_group_id;
|
|
}
|
|
|
|
//escape underscores in the path so they don't act as a wildcard
|
|
$path = Database::escape_string(str_replace('_', '\_', $path));
|
|
$to_user_id = Database::escape_string($to_user_id);
|
|
$to_value = Database::escape_string($to_value);
|
|
|
|
//if they can't see invisible files, they can only see files with visibility 1
|
|
$visibility_bit = ' = 1';
|
|
//if they can see invisible files, only deleted files (visibility 2) are filtered out
|
|
//if ($can_see_invisible) {
|
|
$visibility_bit = ' <> 2';
|
|
//}
|
|
|
|
//the given path will not end with a slash, unless it's the root '/'
|
|
//so no root -> add slash
|
|
$added_slash = ($path == '/') ? '' : '/';
|
|
|
|
//condition for the session
|
|
$current_session_id = api_get_session_id();
|
|
$condition_session = " AND (id_session = '$current_session_id' OR id_session = '0')";
|
|
|
|
if (!$can_see_invisible) {
|
|
//$condition_session = " AND (id_session = '$current_session_id' ) ";
|
|
}
|
|
|
|
//condition for search (get ALL folders and documents)
|
|
if ($search) {
|
|
$sql = "SELECT docs.id, docs.filetype, docs.path, docs.title, docs.comment, docs.size, docs.readonly, docs.session_id, last.id_session item_property_session_id, last.lastedit_date, last.visibility, last.insert_user_id
|
|
FROM ".$TABLE_ITEMPROPERTY." AS last, ".$TABLE_DOCUMENT." AS docs
|
|
WHERE docs.id = last.ref
|
|
AND last.tool = '".TOOL_DOCUMENT."'
|
|
AND ".$to_field." = ".$to_value."
|
|
AND last.visibility".$visibility_bit . $condition_session;
|
|
} else {
|
|
$sql = "SELECT docs.id, docs.filetype, docs.path, docs.title, docs.comment, docs.size, docs.readonly, docs.session_id, last.id_session item_property_session_id, last.lastedit_date, last.visibility, last.insert_user_id
|
|
FROM ".$TABLE_ITEMPROPERTY." AS last, ".$TABLE_DOCUMENT." AS docs
|
|
WHERE docs.id = last.ref
|
|
AND docs.path LIKE '".$path.$added_slash."%'
|
|
AND docs.path NOT LIKE '".$path.$added_slash."%/%'
|
|
AND last.tool = '".TOOL_DOCUMENT."'
|
|
AND ".$to_field." = ".$to_value."
|
|
AND last.visibility".$visibility_bit.$condition_session;
|
|
}
|
|
|
|
$result = Database::query($sql);
|
|
|
|
$doc_list = array();
|
|
$document_data = array();
|
|
$is_allowed_to_edit = api_is_allowed_to_edit(null, true);
|
|
|
|
if ($result!==false && Database::num_rows($result) != 0) {
|
|
while ($row = Database::fetch_array($result, 'ASSOC')) {
|
|
|
|
if (api_is_coach()) {
|
|
//Looking for course items that are invisible to hide it in the session
|
|
if (in_array($row['id'], array_keys($doc_list))) {
|
|
if ($doc_list[$row['id']]['item_property_session_id'] == 0 && $doc_list[$row['id']]['session_id'] == 0) {
|
|
if ($doc_list[$row['id']]['visibility'] == 0) {
|
|
unset($document_data[$row['id']]);
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
$doc_list[$row['id']] = $row;
|
|
}
|
|
|
|
if (!api_is_coach() && !$is_allowed_to_edit) {
|
|
$doc_list[] = $row;
|
|
}
|
|
|
|
|
|
if ($row['filetype'] == 'file' && pathinfo($row['path'], PATHINFO_EXTENSION) == 'html') {
|
|
//Templates management
|
|
$table_template = Database::get_main_table(TABLE_MAIN_TEMPLATES);
|
|
$sql_is_template = "SELECT id FROM $table_template
|
|
WHERE course_code='".$_course['id']."'
|
|
AND user_id='".api_get_user_id()."'
|
|
AND ref_doc='".$row['id']."'";
|
|
$template_result = Database::query($sql_is_template);
|
|
$row['is_template'] = (Database::num_rows($template_result) > 0) ? 1 : 0;
|
|
}
|
|
$document_data[$row['id']] = $row;
|
|
}
|
|
|
|
|
|
//Only for the student we filter the results see BT#1652
|
|
if (!api_is_coach() && !$is_allowed_to_edit) {
|
|
$ids_to_remove = array();
|
|
$my_repeat_ids = $temp= array();
|
|
|
|
//Selecting repetead ids
|
|
foreach($doc_list as $row ) {
|
|
if (in_array($row['id'], array_keys($temp))) {
|
|
$my_repeat_ids[] = $row['id'];
|
|
}
|
|
$temp[$row['id']] = $row;
|
|
}
|
|
|
|
//Checking disponibility in a session
|
|
foreach($my_repeat_ids as $id) {
|
|
foreach($doc_list as $row ) {
|
|
if ($id == $row['id']) {
|
|
//var_dump($row['visibility'].' - '.$row['session_id'].' - '.$row['item_property_session_id']);
|
|
if ($row['visibility'] == 0 && $row['item_property_session_id'] == 0) {
|
|
$delete_repeated[$id] = true;
|
|
}
|
|
if ($row['visibility'] == 0 && $row['item_property_session_id'] != 0) {
|
|
$delete_repeated[$id] = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//var_dump($delete_repeated);
|
|
|
|
foreach($doc_list as $key=>$row) {
|
|
//&& !in_array($row['id'],$my_repeat_ids)
|
|
//var_dump($row['id'].' - '.$row['visibility']);
|
|
if (in_array($row['visibility'], array('0','2')) && !in_array($row['id'],$my_repeat_ids) ) {
|
|
$ids_to_remove[] = $row['id'];
|
|
unset($doc_list[$key]);
|
|
}
|
|
}
|
|
//var_dump($ids_to_remove);
|
|
|
|
foreach($document_data as $row) {
|
|
if (in_array($row['id'], $ids_to_remove)) {
|
|
unset($document_data[$row['id']]);
|
|
}
|
|
if (isset($delete_repeated[$row['id']]) && $delete_repeated[$row['id']]) {
|
|
unset($document_data[$row['id']]);
|
|
}
|
|
}
|
|
}
|
|
return $document_data;
|
|
} else {
|
|
//display_error("Error getting document info from database (".Database::error().")!");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets the paths of all folders in a course
|
|
* can show all folders (exept for the deleted ones) or only visible ones
|
|
* @param array $_course
|
|
* @param boolean $can_see_invisible
|
|
* @param int $to_group_id
|
|
* @return array with paths
|
|
*/
|
|
public static function get_all_document_folders ($_course, $to_group_id = '0', $can_see_invisible = false) {
|
|
$TABLE_ITEMPROPERTY = Database::get_course_table(TABLE_ITEM_PROPERTY, $_course['dbName']);
|
|
$TABLE_DOCUMENT = Database::get_course_table(TABLE_DOCUMENT, $_course['dbName']);
|
|
|
|
$to_group_id = intval($to_group_id);
|
|
|
|
if ($can_see_invisible) {
|
|
//condition for the session
|
|
$session_id = api_get_session_id();
|
|
$condition_session = api_get_session_condition($session_id);
|
|
$sql = "SELECT DISTINCT path FROM ".$TABLE_ITEMPROPERTY." AS last, ".$TABLE_DOCUMENT." AS docs
|
|
WHERE docs.id = last.ref
|
|
AND docs.filetype = 'folder'
|
|
AND last.tool = '".TOOL_DOCUMENT."'
|
|
AND last.to_group_id = ".$to_group_id."
|
|
AND last.visibility <> 2 $condition_session";
|
|
|
|
$result = Database::query($sql);
|
|
|
|
if ($result && Database::num_rows($result) != 0) {
|
|
while ($row = Database::fetch_array($result, 'ASSOC')) {
|
|
$document_folders[] = $row['path'];
|
|
}
|
|
//sort($document_folders);
|
|
natsort($document_folders);
|
|
|
|
//return results
|
|
return $document_folders;
|
|
} else {
|
|
return false;
|
|
}
|
|
} else {
|
|
//no invisible folders
|
|
|
|
//condition for the session
|
|
$session_id = api_get_session_id();
|
|
$condition_session = api_get_session_condition($session_id);
|
|
//get visible folders
|
|
$visible_sql = "SELECT DISTINCT path
|
|
FROM ".$TABLE_ITEMPROPERTY." AS last, ".$TABLE_DOCUMENT." AS docs
|
|
WHERE docs.id = last.ref
|
|
AND docs.filetype = 'folder'
|
|
AND last.tool = '".TOOL_DOCUMENT."'
|
|
AND last.to_group_id = ".$to_group_id."
|
|
AND last.visibility = 1 $condition_session";
|
|
$visibleresult = Database::query($visible_sql);
|
|
while ($all_visible_folders = Database::fetch_array($visibleresult, 'ASSOC')) {
|
|
$visiblefolders[] = $all_visible_folders['path'];
|
|
}
|
|
//condition for the session
|
|
$session_id = api_get_session_id();
|
|
$condition_session = api_get_session_condition($session_id);
|
|
//get invisible folders
|
|
$invisible_sql = "SELECT DISTINCT path
|
|
FROM ".$TABLE_ITEMPROPERTY." AS last, ".$TABLE_DOCUMENT." AS docs
|
|
WHERE docs.id = last.ref
|
|
AND docs.filetype = 'folder'
|
|
AND last.tool = '".TOOL_DOCUMENT."'
|
|
AND last.to_group_id = ".$to_group_id."
|
|
AND last.visibility = 0 $condition_session";
|
|
$invisibleresult = Database::query($invisible_sql);
|
|
while ($invisible_folders = Database::fetch_array($invisibleresult, 'ASSOC')) {
|
|
//condition for the session
|
|
$session_id = api_get_session_id();
|
|
$condition_session = api_get_session_condition($session_id);
|
|
//get visible folders in the invisible ones -> they are invisible too
|
|
$folder_in_invisible_sql = "SELECT DISTINCT path
|
|
FROM ".$TABLE_ITEMPROPERTY." AS last, ".$TABLE_DOCUMENT." AS docs
|
|
WHERE docs.id = last.ref
|
|
AND docs.path LIKE '".Database::escape_string($invisible_folders['path'])."/%'
|
|
AND docs.filetype = 'folder'
|
|
AND last.tool = '".TOOL_DOCUMENT."'
|
|
AND last.to_group_id = ".$to_group_id."
|
|
AND last.visibility = 1 $condition_session";
|
|
$folder_in_invisible_result = Database::query($folder_in_invisible_sql);
|
|
while ($folders_in_invisible_folder = Database::fetch_array($folder_in_invisible_result, 'ASSOC')) {
|
|
$invisiblefolders[] = $folders_in_invisible_folder['path'];
|
|
}
|
|
}
|
|
//if both results are arrays -> //calculate the difference between the 2 arrays -> only visible folders are left :)
|
|
if (is_array($visiblefolders) && is_array($invisiblefolders)) {
|
|
$document_folders = array_diff($visiblefolders, $invisiblefolders);
|
|
|
|
//sort($document_folders);
|
|
natsort($document_folders);
|
|
|
|
return $document_folders;
|
|
}
|
|
//only visible folders found
|
|
elseif (is_array($visiblefolders)) {
|
|
//sort($visiblefolders);
|
|
natsort($visiblefolders);
|
|
return $visiblefolders;
|
|
}
|
|
//no visible folders found
|
|
else {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This check if a document has the readonly property checked, then see if the user
|
|
* is the owner of this file, if all this is true then return true.
|
|
*
|
|
* @param array $_course
|
|
* @param int $user_id id of the current user
|
|
* @param string $file path stored in the database
|
|
* @param int $document_id in case you dont have the file path ,insert the id of the file here and leave $file in blank ''
|
|
* @return boolean true/false
|
|
**/
|
|
public static function check_readonly($_course, $user_id, $file,$document_id = '', $to_delete = false) {
|
|
if (!(!empty($document_id) && is_numeric($document_id))) {
|
|
$document_id = self::get_document_id($_course, $file);
|
|
}
|
|
|
|
$TABLE_PROPERTY = Database::get_course_table(TABLE_ITEM_PROPERTY, $_course['dbName']);
|
|
$TABLE_DOCUMENT = Database::get_course_table(TABLE_DOCUMENT, $_course['dbName']);
|
|
|
|
if ($to_delete) {
|
|
if (self::is_folder($_course, $document_id)) {
|
|
if (!empty($file)) {
|
|
$path = Database::escape_string($file);
|
|
$what_to_check_sql = "SELECT td.id, readonly, tp.insert_user_id FROM ".$TABLE_DOCUMENT." td , $TABLE_PROPERTY tp
|
|
WHERE tp.ref= td.id and (path='".$path."' OR path LIKE BINARY '".$path."/%' ) ";
|
|
//get all id's of documents that are deleted
|
|
$what_to_check_result = Database::query($what_to_check_sql);
|
|
|
|
if ($what_to_check_result && Database::num_rows($what_to_check_result) != 0) {
|
|
// file with readonly set to 1 exist?
|
|
$readonly_set = false;
|
|
while ($row = Database::fetch_array($what_to_check_result)) {
|
|
//query to delete from item_property table
|
|
if ($row['readonly'] == 1) {
|
|
if (!($row['insert_user_id'] == $user_id)) {
|
|
$readonly_set = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($readonly_set) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (!empty($document_id)) {
|
|
$sql= 'SELECT a.insert_user_id, b.readonly FROM '.$TABLE_PROPERTY.' a,'.$TABLE_DOCUMENT.' b
|
|
WHERE a.ref = b.id and a.ref='.$document_id.' LIMIT 1';
|
|
$resultans = Database::query($sql);
|
|
$doc_details = Database ::fetch_array($resultans, 'ASSOC');
|
|
|
|
if ($doc_details['readonly'] == 1) {
|
|
return !($doc_details['insert_user_id'] == $user_id || api_is_platform_admin());
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* This check if a document is a folder or not
|
|
* @param array $_course
|
|
* @param int $document_id of the item
|
|
* @return boolean true/false
|
|
**/
|
|
public static function is_folder($_course, $document_id) {
|
|
$TABLE_DOCUMENT = Database::get_course_table(TABLE_DOCUMENT, $_course['dbName']);
|
|
//if (!empty($document_id))
|
|
$document_id = Database::escape_string($document_id);
|
|
$result = Database::fetch_array(Database::query('SELECT filetype FROM '.$TABLE_DOCUMENT.' WHERE id='.$document_id.''), 'ASSOC');
|
|
return $result['filetype'] == 'folder';
|
|
}
|
|
|
|
/**
|
|
* This deletes a document by changing visibility to 2, renaming it to filename_DELETED_#id
|
|
* Files/folders that are inside a deleted folder get visibility 2
|
|
*
|
|
* @param array $_course
|
|
* @param string $path, path stored in the database
|
|
* @param string ,$base_work_dir, path to the documents folder
|
|
* @return boolean true/false
|
|
* @todo now only files/folders in a folder get visibility 2, we should rename them too.
|
|
*/
|
|
public static function delete_document($_course, $path, $base_work_dir) {
|
|
$TABLE_DOCUMENT = Database :: get_course_table(TABLE_DOCUMENT, $_course['dbName']);
|
|
$TABLE_ITEMPROPERTY = Database :: get_course_table(TABLE_ITEM_PROPERTY, $_course['dbName']);
|
|
//first, delete the actual document...
|
|
$document_id = self :: get_document_id($_course, $path);
|
|
$new_path = $path.'_DELETED_'.$document_id;
|
|
$current_session_id = api_get_session_id();
|
|
if ($document_id) {
|
|
if (api_get_setting('permanently_remove_deleted_files') == 'true') { //deleted files are *really* deleted
|
|
$what_to_delete_sql = "SELECT id FROM ".$TABLE_DOCUMENT." WHERE path='".$path."' OR path LIKE BINARY '".$path."/%'";
|
|
//get all id's of documents that are deleted
|
|
$what_to_delete_result = Database::query($what_to_delete_sql);
|
|
|
|
if ($what_to_delete_result && Database::num_rows($what_to_delete_result) != 0) {
|
|
//needed to deleted medadata
|
|
require_once api_get_path(SYS_CODE_PATH).'metadata/md_funcs.php';
|
|
require_once api_get_path(LIBRARY_PATH).'fileManage.lib.php';
|
|
$mdStore = new mdstore(true);
|
|
|
|
//delete all item_property entries
|
|
while ($row = Database::fetch_array($what_to_delete_result)) {
|
|
//query to delete from item_property table
|
|
//avoid wrong behavior
|
|
|
|
//$remove_from_item_property_sql = "DELETE FROM ".$TABLE_ITEMPROPERTY." WHERE ref = ".$row['id']." AND tool='".TOOL_DOCUMENT."'";
|
|
api_item_property_update($_course, TOOL_DOCUMENT, $row['id'], 'delete', api_get_user_id(), null, null, null, null, $current_session_id);
|
|
|
|
//query to delete from document table
|
|
$remove_from_document_sql = "DELETE FROM ".$TABLE_DOCUMENT." WHERE id = ".$row['id'];
|
|
self::unset_document_as_template($row['id'], $_course, api_get_user_id());
|
|
Database::query($remove_from_document_sql);
|
|
|
|
//delete metadata
|
|
$eid = 'Document'.'.'.$row['id'];
|
|
$mdStore->mds_delete($eid);
|
|
$mdStore->mds_delete_offspring($eid);
|
|
|
|
}
|
|
self::delete_document_from_search_engine(api_get_course_id(), $document_id);
|
|
//delete documents, do it like this so metadata get's deleted too
|
|
//update_db_info('delete', $path);
|
|
//throw it away
|
|
my_delete($base_work_dir.$path);
|
|
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
|
|
} else { //set visibility to 2 and rename file/folder to qsdqsd_DELETED_#id
|
|
|
|
if (api_item_property_update($_course, TOOL_DOCUMENT, $document_id, 'delete', api_get_user_id(), null, null, null, null, $current_session_id)) {
|
|
if (is_file($base_work_dir.$path) || is_dir($base_work_dir.$path)) {
|
|
if(rename($base_work_dir.$path, $base_work_dir.$new_path)) {
|
|
self::unset_document_as_template($document_id, api_get_course_id(), api_get_user_id());
|
|
$sql = "UPDATE $TABLE_DOCUMENT set path='".$new_path."' WHERE id='".$document_id."'";
|
|
if (Database::query($sql)) {
|
|
//if it is a folder it can contain files
|
|
$sql = "SELECT id,path FROM ".$TABLE_DOCUMENT." WHERE path LIKE BINARY '".$path."/%'";
|
|
$result = Database::query($sql);
|
|
if ($result && Database::num_rows($result) > 0) {
|
|
while ($deleted_items = Database::fetch_array($result, 'ASSOC')) {
|
|
api_item_property_update($_course, TOOL_DOCUMENT, $deleted_items['id'], 'delete', api_get_user_id(),null,null,null,null,$current_session_id);
|
|
//Change path of subfolders and documents in database
|
|
$old_item_path = $deleted_items['path'];
|
|
$new_item_path = $new_path.substr($old_item_path, strlen($path));
|
|
/*
|
|
// Trying to fix this bug FS#2681
|
|
echo $base_work_dir.$old_item_path;
|
|
echo "<br />";
|
|
echo $base_work_dir.$new_item_path;
|
|
echo "<br /><br />";
|
|
rename($base_work_dir.$old_item_path, $base_work_dir.$new_item_path);
|
|
*/
|
|
self::unset_document_as_template($deleted_items['id'], api_get_course_id(), api_get_user_id());
|
|
$sql = "UPDATE $TABLE_DOCUMENT set path = '".$new_item_path."' WHERE id = ".$deleted_items['id'];
|
|
|
|
Database::query($sql);
|
|
}
|
|
}
|
|
|
|
self::delete_document_from_search_engine(api_get_course_id(), $document_id);
|
|
return true;
|
|
}
|
|
} else {
|
|
//Couldn't rename - file permissions problem?
|
|
error_log(__FILE__.' '.__LINE__.': Error renaming '.$base_work_dir.$path.' to '.$base_work_dir.$new_path.'. This is probably due to file permissions',0);
|
|
}
|
|
|
|
} else {
|
|
|
|
//echo $base_work_dir.$path;
|
|
//The file or directory isn't there anymore (on the filesystem)
|
|
// This means it has been removed externally. To prevent a
|
|
// blocking error from happening, we drop the related items from the
|
|
// item_property and the document table.
|
|
error_log(__FILE__.' '.__LINE__.': System inconsistency detected. The file or directory '.$base_work_dir.$path.' seems to have been removed from the filesystem independently from the web platform. To restore consistency, the elements using the same path will be removed from the database',0);
|
|
|
|
$sql = "SELECT id FROM $TABLE_DOCUMENT WHERE path='".$path."' OR path LIKE BINARY '".$path."/%'";
|
|
$res = Database::query($sql);
|
|
|
|
self::delete_document_from_search_engine(api_get_course_id(), $document_id);
|
|
|
|
while ($row = Database::fetch_array($res)) {
|
|
$sqlipd = "DELETE FROM $TABLE_ITEMPROPERTY WHERE ref = ".$row['id']." AND tool='".TOOL_DOCUMENT."'";
|
|
$resipd = Database::query($sqlipd);
|
|
self::unset_document_as_template($row['id'],api_get_course_id(), api_get_user_id());
|
|
$sqldd = "DELETE FROM $TABLE_DOCUMENT WHERE id = ".$row['id'];
|
|
$resdd = Database::query($sqldd);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Removes documents from search engine database
|
|
*
|
|
* @param string $course_id Course code
|
|
* @param int $document_id Document id to delete
|
|
*/
|
|
public static function delete_document_from_search_engine ($course_id, $document_id) {
|
|
// remove from search engine if enabled
|
|
if (api_get_setting('search_enabled') == 'true') {
|
|
$tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
|
|
$sql = 'SELECT * FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s LIMIT 1';
|
|
$sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_DOCUMENT, $document_id);
|
|
$res = Database::query($sql);
|
|
if (Database::num_rows($res) > 0) {
|
|
$row2 = Database::fetch_array($res);
|
|
require_once api_get_path(LIBRARY_PATH) .'search/DokeosIndexer.class.php';
|
|
$di = new DokeosIndexer();
|
|
$di->remove_document((int)$row2['search_did']);
|
|
}
|
|
$sql = 'DELETE FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s LIMIT 1';
|
|
$sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_DOCUMENT, $document_id);
|
|
Database::query($sql);
|
|
|
|
// remove terms from db
|
|
require_once api_get_path(LIBRARY_PATH) .'specific_fields_manager.lib.php';
|
|
delete_all_values_for_item($course_id, TOOL_DOCUMENT, $document_id);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets the id of a document with a given path
|
|
*
|
|
* @param array $_course
|
|
* @param string $path
|
|
* @return int id of document / false if no doc found
|
|
*/
|
|
public static function get_document_id($course_info, $path) {
|
|
$TABLE_DOCUMENT = Database :: get_course_table(TABLE_DOCUMENT, $course_info['dbName']);
|
|
$path = Database::escape_string($path);
|
|
$sql = "SELECT id FROM $TABLE_DOCUMENT WHERE path LIKE BINARY '$path'";
|
|
$result = Database::query($sql);
|
|
if ($result && Database::num_rows($result) == 1) {
|
|
$row = Database::fetch_array($result);
|
|
return intval($row[0]);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Gets the document data with a given id
|
|
*
|
|
* @param array $_course
|
|
* @param string $path
|
|
* @todo load parent_id
|
|
* @return int id of document / false if no doc found
|
|
*/
|
|
public static function get_document_data_by_id($id, $course_code, $load_parents = false) {
|
|
$course_info = api_get_course_info($course_code);
|
|
if (empty($course_info)) {
|
|
return false;
|
|
}
|
|
$www = api_get_path(WEB_COURSE_PATH).$course_info['path'].'/document';
|
|
|
|
$TABLE_DOCUMENT = Database :: get_course_table(TABLE_DOCUMENT, $course_info['dbName']);
|
|
$id = intval($id);
|
|
$sql = "SELECT * FROM $TABLE_DOCUMENT WHERE id = $id ";
|
|
$result = Database::query($sql);
|
|
if ($result && Database::num_rows($result) == 1) {
|
|
$row = Database::fetch_array($result,'ASSOC');
|
|
//Public document URL
|
|
$row['url'] = api_get_path(WEB_CODE_PATH).'document/showinframes.php?cidReq='.$course_code.'&id='.$id;
|
|
$row['document_url'] = api_get_path(WEB_CODE_PATH).'document/document.php?cidReq='.$course_code.'&id='.$id;
|
|
$url_path = urlencode($row['path']);
|
|
$path = str_replace('%2F', '/',$url_path);
|
|
$row['direct_url'] = $www.$path;
|
|
$row['parent_id'] = self::get_document_id($course_info, dirname($row['path']));
|
|
$parents = array();
|
|
//Use to generate the breadcrumb
|
|
if ($load_parents) {
|
|
$dir_array = explode('/', $row['path']);
|
|
$dir_array = array_filter($dir_array);
|
|
$array_len = count($dir_array) +1 ;
|
|
$real_dir = '';
|
|
|
|
for ($i = 1; $i < $array_len; $i++) {
|
|
$real_dir .= '/'.$dir_array[$i];
|
|
$parent_id = self::get_document_id($course_info, $real_dir);
|
|
if (!empty($parent_id)) {
|
|
$parents[] = self::get_document_data_by_id($parent_id, $course_code, false);
|
|
}
|
|
}
|
|
}
|
|
$row['parents'] = $parents;
|
|
return $row;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
/**
|
|
* Allow to set a specific document as a new template for FCKEditor for a particular user in a particular course
|
|
*
|
|
* @param string $title
|
|
* @param string $description
|
|
* @param int $document_id_for_template the document id
|
|
* @param string $couse_code
|
|
* @param int $user_id
|
|
*/
|
|
public static function set_document_as_template($title, $description, $document_id_for_template, $couse_code, $user_id, $image) {
|
|
// Database table definition
|
|
$table_template = Database::get_main_table(TABLE_MAIN_TEMPLATES);
|
|
|
|
// creating the sql statement
|
|
$sql = "INSERT INTO ".$table_template."
|
|
(title, description, course_code, user_id, ref_doc, image)
|
|
VALUES (
|
|
'".Database::escape_string($title)."',
|
|
'".Database::escape_string($description)."',
|
|
'".Database::escape_string($couse_code)."',
|
|
'".Database::escape_string($user_id)."',
|
|
'".Database::escape_string($document_id_for_template)."',
|
|
'".Database::escape_string($image)."')";
|
|
Database::query($sql);
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
/**
|
|
* Unset a document as template
|
|
*
|
|
* @param int $document_id
|
|
* @param string $couse_code
|
|
* @param int $user_id
|
|
*/
|
|
public static function unset_document_as_template($document_id, $course_code, $user_id) {
|
|
|
|
$table_template = Database::get_main_table(TABLE_MAIN_TEMPLATES);
|
|
$course_code = Database::escape_string($course_code);
|
|
$user_id = Database::escape_string($user_id);
|
|
$document_id = Database::escape_string($document_id);
|
|
|
|
$sql = 'SELECT id FROM '.$table_template.' WHERE course_code="'.$course_code.'" AND user_id="'.$user_id.'" AND ref_doc="'.$document_id.'"';
|
|
$result = Database::query($sql);
|
|
$template_id = Database::result($result,0,0);
|
|
|
|
include_once(api_get_path(LIBRARY_PATH) . 'fileManage.lib.php');
|
|
my_delete(api_get_path(SYS_CODE_PATH).'upload/template_thumbnails/'.$template_id.'.jpg');
|
|
|
|
$sql = 'DELETE FROM '.$table_template.' WHERE course_code="'.$course_code.'" AND user_id="'.$user_id.'" AND ref_doc="'.$document_id.'"';
|
|
|
|
Database::query($sql);
|
|
}
|
|
|
|
/**
|
|
* Return true if the documentpath have visibility=1 as item_property (you should use the is_visible_by_id)
|
|
*
|
|
* @param string $document_path the relative complete path of the document
|
|
* @param array $course the _course array info of the document's course
|
|
*/
|
|
public static function is_visible($doc_path, $course, $session_id = 0, $file_type = 'file') {
|
|
$docTable = Database::get_course_table(TABLE_DOCUMENT, $course['dbName']);
|
|
$propTable = Database::get_course_table(TABLE_ITEM_PROPERTY, $course['dbName']);
|
|
//note the extra / at the end of doc_path to match every path in the document table that is part of the document path
|
|
$doc_path = Database::escape_string($doc_path);
|
|
|
|
$session_id = intval($session_id);
|
|
$condition = "AND id_session IN ('$session_id', '0') ";
|
|
// The " d.filetype='file' " let the user see a file even if the folder is hidden see #2198
|
|
|
|
//When using hotpotatoes files, new files are generated in the hotpotatoe folder, if user_id=1 does the exam a new html file will be generated: hotpotatoe.html.(user_id).t.html
|
|
//so we remove that string in order to find correctly the origin file
|
|
if (strpos($doc_path, 'HotPotatoes_files')) {
|
|
$doc_path = substr($doc_path, 0, strlen($doc_path) - 8);
|
|
}
|
|
|
|
if (!in_array($file_type, array('file','folder'))) {
|
|
$file_type = 'file';
|
|
}
|
|
|
|
$sql = "SELECT visibility FROM $docTable d, $propTable ip WHERE d.id=ip.ref AND ip.tool='".TOOL_DOCUMENT."' $condition AND filetype='$file_type' AND locate(concat(path,'/'),'".$doc_path."/')=1";
|
|
|
|
$result = Database::query($sql);
|
|
$is_visible = false;
|
|
if (Database::num_rows($result) > 0) {
|
|
$row = Database::fetch_array($result,'ASSOC');
|
|
if ($row['visibility'] == 1) {
|
|
$is_visible = $_SESSION['is_allowed_in_course'] || api_is_platform_admin();
|
|
}
|
|
}
|
|
//improved protection of documents viewable directly through the url: incorporates the same protections of the course at the url of documents: access allowed for the whole world Open, access allowed for users registered on the platform Private access, document accessible only to course members (see the Users list), Completely closed; the document is only accessible to the course admin and teaching assistants.
|
|
//return $_SESSION ['is_allowed_in_course'] || api_is_platform_admin();
|
|
return $is_visible;
|
|
}
|
|
|
|
/**
|
|
* Return true if user can see a file
|
|
*
|
|
* @param int document id
|
|
* @param array course info
|
|
* @param array $course the _course array info of the document's course
|
|
* @return bool
|
|
*/
|
|
public static function is_visible_by_id($doc_id, $course_info, $session_id, $user_id, $admins_can_see_everything = true) {
|
|
$is_visible = false;
|
|
$user_in_course = false;
|
|
|
|
//1. Checking the course array
|
|
if (empty($course_info)) {
|
|
$course_info = api_get_course_info();
|
|
if (empty($course_info)) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
$doc_id = intval($doc_id);
|
|
$session_id = intval($session_id);
|
|
|
|
|
|
//2. Course and Session visibility are handle in local.inc.php/global.inc.php
|
|
|
|
//3. Checking if user exist in course/session
|
|
|
|
if ($session_id == 0 ) {
|
|
if (CourseManager::is_user_subscribed_in_course($user_id, $course_info['code'])) {
|
|
$user_in_course = true;
|
|
}
|
|
} else {
|
|
$user_status = SessionManager::get_user_status_in_session($user_id, $course_info['code'], $session_id);
|
|
if (in_array($user_status, array('0', '6'))) {
|
|
//is true if is an student or a coach
|
|
$user_in_course = true;
|
|
}
|
|
}
|
|
|
|
|
|
//4. Checking document visibility (i'm repeating the code in order to be more clear when reading ) - jm
|
|
|
|
if ($user_in_course) {
|
|
|
|
//4.1 Checking document visibility for a Course
|
|
|
|
if ($session_id == 0) {
|
|
$item_info = api_get_item_property_info($course_info['real_id'], 'document', $doc_id, 0);
|
|
|
|
if (isset($item_info['visibility'])) {
|
|
// True for admins if document exists
|
|
if ($admins_can_see_everything && api_is_platform_admin()) {
|
|
return true;
|
|
}
|
|
if ($item_info['visibility'] == 1) {
|
|
return true;
|
|
}
|
|
}
|
|
} else {
|
|
//4.2 Checking document visibility for a Course in a Session
|
|
$item_info = api_get_item_property_info($course_info['real_id'], 'document', $doc_id, 0);
|
|
$item_info_in_session = api_get_item_property_info($course_info['real_id'], 'document', $doc_id, $session_id);
|
|
|
|
// True for admins if document exists
|
|
if (isset($item_info['visibility'])) {
|
|
if ($admins_can_see_everything && api_is_platform_admin())
|
|
return true;
|
|
}
|
|
|
|
if (isset($item_info_in_session['visibility'])) {
|
|
//if ($doc_id == 85) { var_dump($item_info_in_session);}
|
|
if ($item_info_in_session['visibility'] == 1) {
|
|
return true;
|
|
}
|
|
} else {
|
|
if ($item_info['visibility'] == 1) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
|
|
/*
|
|
$docTable = Database::get_course_table(TABLE_DOCUMENT, $course['dbName']);
|
|
$propTable = Database::get_course_table(TABLE_ITEM_PROPERTY, $course['dbName']);
|
|
$condition = "AND id_session IN ('$session_id', '0') ";
|
|
if (!in_array($file_type, array('file','folder'))) {
|
|
$file_type = 'file';
|
|
}
|
|
|
|
// The " d.filetype='file' " let the user see a file even if the folder is hidden see #2198
|
|
$sql = "SELECT visibility FROM $docTable d, $propTable ip WHERE d.id = ip.ref AND ip.tool='".TOOL_DOCUMENT."' $condition AND filetype='$file_type' AND d.id = $id";
|
|
$result = Database::query($sql);
|
|
$is_visible = false;
|
|
if (Database::num_rows($result) > 0) {
|
|
$row = Database::fetch_array($result,'ASSOC');
|
|
if ($row['visibility'] == 1) {
|
|
$is_visible = $_SESSION['is_allowed_in_course'] || api_is_platform_admin();
|
|
}
|
|
}
|
|
|
|
//improved protection of documents viewable directly through the url: incorporates the same protections of the course at the url of documents: access allowed for the whole world Open, access allowed for users registered on the platform Private access, document accessible only to course members (see the Users list), Completely closed; the document is only accessible to the course admin and teaching assistants.
|
|
//return $_SESSION ['is_allowed_in_course'] || api_is_platform_admin();
|
|
return $is_visible;
|
|
*/
|
|
}
|
|
|
|
|
|
/**
|
|
* Allow attach a certificate to a course
|
|
* @param string The course id
|
|
* @param int The document id
|
|
* @return void()
|
|
*/
|
|
function attach_gradebook_certificate ($course_id, $document_id) {
|
|
$tbl_category = Database :: get_main_table(TABLE_MAIN_GRADEBOOK_CATEGORY);
|
|
$session_id = api_get_session_id();
|
|
if ($session_id==0 || is_null($session_id)) {
|
|
$sql_session='AND (session_id='.Database::escape_string($session_id).' OR isnull(session_id)) ';
|
|
} elseif ($session_id>0) {
|
|
$sql_session='AND session_id='.Database::escape_string($session_id);
|
|
} else {
|
|
$sql_session='';
|
|
}
|
|
$sql='UPDATE '.$tbl_category.' SET document_id="'.Database::escape_string($document_id).'"
|
|
WHERE course_code="'.Database::escape_string($course_id).'" '.$sql_session;
|
|
$rs=Database::query($sql);
|
|
}
|
|
|
|
/**
|
|
* get the document id of default certificate
|
|
* @param string The course id
|
|
* @return int The default certificate id
|
|
*/
|
|
function get_default_certificate_id($course_id) {
|
|
$tbl_category=Database :: get_main_table(TABLE_MAIN_GRADEBOOK_CATEGORY);
|
|
$session_id=api_get_session_id();
|
|
if ($session_id==0 || is_null($session_id)) {
|
|
$sql_session='AND (session_id='.Database::escape_string($session_id).' OR isnull(session_id)) ';
|
|
} elseif ($session_id>0) {
|
|
$sql_session='AND session_id='.Database::escape_string($session_id);
|
|
} else {
|
|
$sql_session='';
|
|
}
|
|
$sql='SELECT document_id FROM '.$tbl_category.' WHERE course_code="'.Database::escape_string($course_id).'" '.$sql_session;
|
|
$rs=Database::query($sql);
|
|
$row=Database::fetch_array($rs);
|
|
return $row['document_id'];
|
|
}
|
|
|
|
/**
|
|
* allow replace user info in file html
|
|
* @param string The course id
|
|
* @return string The html content of the certificate
|
|
*/
|
|
function replace_user_info_into_html($user_id, $course_id, $is_preview = false) {
|
|
$user_id = intval($user_id);
|
|
$course_info = api_get_course_info($course_id);
|
|
$tbl_document = Database::get_course_table(TABLE_DOCUMENT, $course_info['dbName']);
|
|
$document_id = self::get_default_certificate_id($course_id);
|
|
|
|
$sql = 'SELECT path FROM '.$tbl_document.' WHERE id="'.Database::escape_string($document_id).'" ';
|
|
|
|
$rs = Database::query($sql);
|
|
$new_content = '';
|
|
if (Database::num_rows($rs)) {
|
|
$row=Database::fetch_array($rs);
|
|
$filepath = api_get_path(SYS_COURSE_PATH).$course_info['path'].'/document'.$row['path'];
|
|
|
|
if (is_file($filepath)) {
|
|
$my_content_html=file_get_contents($filepath);
|
|
}
|
|
$all_user_info = self::get_all_info_to_certificate($user_id, $is_preview);
|
|
$info_to_be_replaced_in_content_html=$all_user_info[0];
|
|
$info_to_replace_in_content_html=$all_user_info[1];
|
|
$new_content=str_replace($info_to_be_replaced_in_content_html,$info_to_replace_in_content_html, $my_content_html);
|
|
}
|
|
return $new_content;
|
|
}
|
|
|
|
/**
|
|
* return all content to replace and all content to be replace
|
|
*/
|
|
function get_all_info_to_certificate($user_id, $is_preview = false) {
|
|
$info_list = array();
|
|
$user_id = intval($user_id);
|
|
$course_id = api_get_course_id();
|
|
|
|
$course_info = api_get_course_info($course_id);
|
|
|
|
//info portal
|
|
$organization_name = api_get_setting('Institution');
|
|
$portal_name = api_get_setting('siteName');
|
|
|
|
//Extra user data information
|
|
$extra_user_info_data = UserManager::get_extra_user_data($user_id, false, false, false, true);
|
|
|
|
//Student information
|
|
$user_info = api_get_user_info($user_id);
|
|
$first_name = $user_info['firstname'];
|
|
$last_name = $user_info['lastname'];
|
|
$official_code = $user_info['official_code'];
|
|
|
|
//Teacher information
|
|
$info_teacher_id = UserManager::get_user_id_of_course_admin_or_session_admin($course_id);
|
|
$teacher_info = api_get_user_info($info_teacher_id);
|
|
$teacher_first_name = $teacher_info['firstname'];
|
|
$teacher_last_name = $teacher_info['lastname'];
|
|
|
|
// info gradebook certificate
|
|
$info_grade_certificate = UserManager::get_info_gradebook_certificate($course_id, $user_id);
|
|
|
|
$date_certificate = $info_grade_certificate['created_at'];
|
|
$date_long_certificate = '';
|
|
if (!empty($date_certificate)) {
|
|
$date_long_certificate = api_convert_and_format_date($date_certificate);
|
|
}
|
|
|
|
if ($is_preview) {
|
|
$date_long_certificate = api_convert_and_format_date(api_get_utc_datetime());
|
|
}
|
|
|
|
//replace content
|
|
$info_to_replace_in_content_html = array($first_name,
|
|
$last_name,
|
|
$organization_name,
|
|
$portal_name,
|
|
$teacher_first_name,
|
|
$teacher_last_name,
|
|
$official_code,
|
|
$date_long_certificate,
|
|
$course_id,
|
|
$course_info['name'],
|
|
$info_grade_certificate['grade'],
|
|
);
|
|
$info_to_be_replaced_in_content_html = array('((user_firstname))',
|
|
'((user_lastname))',
|
|
'((gradebook_institution))',
|
|
'((gradebook_sitename))',
|
|
'((teacher_firstname))',
|
|
'((teacher_lastname))',
|
|
'((official_code))',
|
|
'((date_certificate))',
|
|
'((course_code))',
|
|
'((course_title))',
|
|
'((gradebook_grade))',
|
|
);
|
|
|
|
if (!empty($extra_user_info_data)) {
|
|
foreach ($extra_user_info_data as $key_extra=>$value_extra) {
|
|
$info_to_be_replaced_in_content_html[]='(('.strtolower($key_extra).'))';
|
|
$info_to_replace_in_content_html[]=$value_extra;
|
|
}
|
|
}
|
|
$info_list[]=$info_to_be_replaced_in_content_html;
|
|
$info_list[]=$info_to_replace_in_content_html;
|
|
return $info_list;
|
|
}
|
|
/**
|
|
* Remove default certificate
|
|
* @param string The course id
|
|
* @param int The document id of the default certificate
|
|
* @return void()
|
|
*/
|
|
function remove_attach_certificate ($course_id,$default_certificate_id) {
|
|
$default_certificate=self::get_default_certificate_id($course_id);
|
|
if ((int)$default_certificate==(int)$default_certificate_id) {
|
|
$tbl_category=Database :: get_main_table(TABLE_MAIN_GRADEBOOK_CATEGORY);
|
|
$session_id=api_get_session_id();
|
|
if ($session_id==0 || is_null($session_id)) {
|
|
$sql_session='AND (session_id='.Database::escape_string($session_id).' OR isnull(session_id)) ';
|
|
} elseif ($session_id>0) {
|
|
$sql_session='AND session_id='.Database::escape_string($session_id);
|
|
} else {
|
|
$sql_session='';
|
|
}
|
|
|
|
$sql='UPDATE '.$tbl_category.' SET document_id=null
|
|
WHERE course_code="'.Database::escape_string($course_id).'" AND document_id="'.$default_certificate_id.'" '.$sql_session;
|
|
$rs=Database::query($sql);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Create directory certificate
|
|
* @param string The course id
|
|
* @return void()
|
|
*/
|
|
function create_directory_certificate_in_course ($course_id) {
|
|
$course_info = api_get_course_info($course_id);
|
|
if (!empty($course_info)) {
|
|
$to_group_id=0;
|
|
$to_user_id=null;
|
|
$course_dir = $course_info['path']."/document/";
|
|
$sys_course_path = api_get_path(SYS_COURSE_PATH);
|
|
$base_work_dir=$sys_course_path.$course_dir;
|
|
$base_work_dir_test=$base_work_dir.'certificates';
|
|
$dir_name='/certificates';
|
|
$post_dir_name=get_lang('CertificatesFiles');
|
|
$visibility_command='invisible';
|
|
if (!is_dir($base_work_dir_test)) {
|
|
$created_dir = create_unexisting_directory($course_info, api_get_user_id(), api_get_session_id(), $to_group_id,$to_user_id,$base_work_dir,$dir_name,$post_dir_name);
|
|
$update_id = DocumentManager::get_document_id_of_directory_certificate();
|
|
api_item_property_update($course_info, TOOL_DOCUMENT, $update_id, $visibility_command, api_get_user_id());
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the document id of the directory certificate
|
|
* @param string The course id
|
|
* @return int The document id of the directory certificate
|
|
*/
|
|
function get_document_id_of_directory_certificate () {
|
|
$tbl_document=Database::get_course_table(TABLE_DOCUMENT);
|
|
$sql='SELECT id FROM '.$tbl_document.' WHERE path="/certificates" ';
|
|
$rs=Database::query($sql);
|
|
$row=Database::fetch_array($rs);
|
|
return $row['id'];
|
|
}
|
|
|
|
/**
|
|
* Check if a directory given is for certificate
|
|
* @param string path of directory
|
|
* @return bool true if is a certificate or false otherwise
|
|
*/
|
|
function is_certificate_mode($dir) {
|
|
//I'm in the certification module?
|
|
$is_certificate_mode = false;
|
|
$is_certificate_array = explode('/',$dir);
|
|
array_shift($is_certificate_array);
|
|
if ($is_certificate_array[0]=='certificates') {
|
|
$is_certificate_mode = true;
|
|
}
|
|
return $is_certificate_mode;
|
|
}
|
|
|
|
/**
|
|
* Gets the list of included resources as a list of absolute or relative paths from a html file or string html
|
|
* This allows for a better SCORM export or replace urls inside content html from copy course
|
|
* The list will generally include pictures, flash objects, java applets, or any other
|
|
* stuff included in the source of the current item. The current item is expected
|
|
* to be an HTML file or string html. If it is not, then the function will return and empty list.
|
|
* @param string source html (content or path)
|
|
* @param bool is file or string html
|
|
* @param string type (one of the Dokeos tools) - optional (otherwise takes the current item's type)
|
|
* @param int level of recursivity we're in
|
|
* @return array List of file paths. An additional field containing 'local' or 'remote' helps determine if the file should be copied into the zip or just linked
|
|
*/
|
|
function get_resources_from_source_html($source_html, $is_file = false, $type = null, $recursivity = 1) {
|
|
$max = 5;
|
|
$attributes = array();
|
|
$wanted_attributes = array('src', 'url', '@import', 'href', 'value', 'flashvars');
|
|
$abs_path = '';
|
|
|
|
if ($recursivity > $max) {
|
|
return array();
|
|
}
|
|
|
|
if (!isset($type)) {
|
|
$type = TOOL_DOCUMENT;
|
|
}
|
|
|
|
if (!$is_file) {
|
|
$attributes = DocumentManager::parse_HTML_attributes($source_html, $wanted_attributes);
|
|
|
|
} else {
|
|
if (is_file($source_html)) {
|
|
$abs_path = $source_html;
|
|
//for now, read the whole file in one go (that's gonna be a problem when the file is too big)
|
|
$info = pathinfo($abs_path);
|
|
$ext = $info['extension'];
|
|
switch (strtolower($ext)) {
|
|
case 'html' :
|
|
case 'htm' :
|
|
case 'shtml':
|
|
case 'css' :
|
|
$file_content = file_get_contents($abs_path);
|
|
//get an array of attributes from the HTML source
|
|
$attributes = DocumentManager::parse_HTML_attributes($file_content, $wanted_attributes);
|
|
break;
|
|
default :
|
|
break;
|
|
}
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
switch ($type) {
|
|
case TOOL_DOCUMENT :
|
|
case TOOL_QUIZ:
|
|
case 'sco':
|
|
foreach ($wanted_attributes as $attr) {
|
|
if (isset($attributes[$attr])) {
|
|
//find which kind of path these are (local or remote)
|
|
$sources = $attributes[$attr];
|
|
foreach ($sources as $source) {
|
|
//skip what is obviously not a resource
|
|
if (strpos($source, '+this.')) continue; //javascript code - will still work unaltered
|
|
if (strpos($source, '.') === false) continue; //no dot, should not be an external file anyway
|
|
if (strpos($source, 'mailto:')) continue; //mailto link
|
|
if (strpos($source, ';') && !strpos($source, '&')) continue; //avoid code - that should help
|
|
|
|
if ($attr == 'value') {
|
|
if (strpos($source , 'mp3file')) {
|
|
$files_list[] = array(substr($source, 0, strpos($source, '.swf') + 4), 'local', 'abs');
|
|
$mp3file = substr($source , strpos($source, 'mp3file=') + 8);
|
|
if (substr($mp3file, 0, 1) == '/') {
|
|
$files_list[] = array($mp3file, 'local', 'abs');
|
|
} else {
|
|
$files_list[] = array($mp3file, 'local', 'rel');
|
|
}
|
|
} elseif (strpos($source, 'flv=') === 0) {
|
|
$source = substr($source, 4);
|
|
if (strpos($source, '&') > 0) {
|
|
$source = substr($source, 0, strpos($source, '&'));
|
|
}
|
|
if (strpos($source,'://') > 0) {
|
|
if (strpos($source, api_get_path(WEB_PATH)) !== false) {
|
|
//we found the current portal url
|
|
$files_list[] = array($source, 'local', 'url');
|
|
} else {
|
|
//we didn't find any trace of current portal
|
|
$files_list[] = array($source, 'remote', 'url');
|
|
}
|
|
} else {
|
|
$files_list[] = array($source, 'local', 'abs');
|
|
}
|
|
continue; //skipping anything else to avoid two entries (while the others can have sub-files in their url, flv's can't)
|
|
}
|
|
}
|
|
if (strpos($source, '://') > 0) {
|
|
//cut at '?' in a URL with params
|
|
if (strpos($source, '?') > 0) {
|
|
$second_part = substr($source,strpos($source, '?'));
|
|
if(strpos($second_part, '://') > 0) {
|
|
//if the second part of the url contains a url too, treat the second one before cutting
|
|
$pos1 = strpos($second_part, '=');
|
|
$pos2 = strpos($second_part, '&');
|
|
$second_part = substr($second_part, $pos1 + 1, $pos2 - ($pos1 + 1));
|
|
if (strpos($second_part, api_get_path(WEB_PATH)) !== false) {
|
|
//we found the current portal url
|
|
$files_list[] = array($second_part, 'local', 'url');
|
|
$in_files_list[] = DocumentManager::get_resources_from_source_html($second_part, true, TOOL_DOCUMENT, $recursivity + 1);
|
|
if (count($in_files_list) > 0) {
|
|
$files_list = array_merge($files_list, $in_files_list);
|
|
}
|
|
} else {
|
|
//we didn't find any trace of current portal
|
|
$files_list[] = array($second_part, 'remote', 'url');
|
|
}
|
|
} elseif (strpos($second_part, '=') > 0) {
|
|
if (substr($second_part, 0, 1) === '/') {
|
|
//link starts with a /, making it absolute (relative to DocumentRoot)
|
|
$files_list[] = array($second_part, 'local', 'abs');
|
|
$in_files_list[] = DocumentManager::get_resources_from_source_html($second_part, true, TOOL_DOCUMENT, $recursivity + 1);
|
|
if (count($in_files_list) > 0) {
|
|
$files_list = array_merge($files_list, $in_files_list);
|
|
}
|
|
} elseif(strstr($second_part, '..') === 0) {
|
|
//link is relative but going back in the hierarchy
|
|
$files_list[] = array($second_part, 'local', 'rel');
|
|
//$dir = api_get_path(SYS_CODE_PATH);//dirname($abs_path);
|
|
//$new_abs_path = realpath($dir.'/'.$second_part);
|
|
$dir = '';
|
|
if (!empty($abs_path)) {
|
|
$dir = dirname($abs_path).'/';
|
|
}
|
|
$new_abs_path = realpath($dir.$second_part);
|
|
$in_files_list[] = DocumentManager::get_resources_from_source_html($new_abs_path, true, TOOL_DOCUMENT, $recursivity + 1);
|
|
if (count($in_files_list) > 0) {
|
|
$files_list = array_merge($files_list, $in_files_list);
|
|
}
|
|
} else {
|
|
//no starting '/', making it relative to current document's path
|
|
if (substr($second_part, 0, 2) == './') {
|
|
$second_part = substr($second_part, 2);
|
|
}
|
|
$files_list[] = array($second_part, 'local', 'rel');
|
|
$dir = '';
|
|
if (!empty($abs_path)) {
|
|
$dir = dirname($abs_path).'/';
|
|
}
|
|
$new_abs_path = realpath($dir.$second_part);
|
|
$in_files_list[] = DocumentManager::get_resources_from_source_html($new_abs_path, true, TOOL_DOCUMENT, $recursivity + 1);
|
|
if (count($in_files_list) > 0) {
|
|
$files_list = array_merge($files_list, $in_files_list);
|
|
}
|
|
}
|
|
}
|
|
//leave that second part behind now
|
|
$source = substr($source, 0, strpos($source, '?'));
|
|
if (strpos($source, '://') > 0) {
|
|
if (strpos($source, api_get_path(WEB_PATH)) !== false) {
|
|
//we found the current portal url
|
|
$files_list[] = array($source, 'local', 'url');
|
|
$in_files_list[] = DocumentManager::get_resources_from_source_html($source, true, TOOL_DOCUMENT, $recursivity+1);
|
|
if (count($in_files_list) > 0) {
|
|
$files_list = array_merge($files_list, $in_files_list);
|
|
}
|
|
} else {
|
|
//we didn't find any trace of current portal
|
|
$files_list[] = array($source, 'remote', 'url');
|
|
}
|
|
} else {
|
|
//no protocol found, make link local
|
|
if (substr($source, 0, 1) === '/') {
|
|
//link starts with a /, making it absolute (relative to DocumentRoot)
|
|
$files_list[] = array($source, 'local', 'abs');
|
|
$in_files_list[] = DocumentManager::get_resources_from_source_html($source, true, TOOL_DOCUMENT, $recursivity + 1);
|
|
if (count($in_files_list) > 0) {
|
|
$files_list = array_merge($files_list, $in_files_list);
|
|
}
|
|
} elseif (strstr($source, '..') === 0) { //link is relative but going back in the hierarchy
|
|
$files_list[] = array($source, 'local', 'rel');
|
|
$dir = '';
|
|
if (!empty($abs_path)) {
|
|
$dir = dirname($abs_path).'/';
|
|
}
|
|
$new_abs_path = realpath($dir.$source);
|
|
$in_files_list[] = DocumentManager::get_resources_from_source_html($new_abs_path, true, TOOL_DOCUMENT, $recursivity + 1);
|
|
if (count($in_files_list) > 0) {
|
|
$files_list = array_merge($files_list, $in_files_list);
|
|
}
|
|
} else {
|
|
//no starting '/', making it relative to current document's path
|
|
if (substr($source, 0, 2) == './') {
|
|
$source = substr($source, 2);
|
|
}
|
|
$files_list[] = array($source, 'local', 'rel');
|
|
$dir = '';
|
|
if (!empty($abs_path)) {
|
|
$dir = dirname($abs_path).'/';
|
|
}
|
|
$new_abs_path = realpath($dir.$source);
|
|
$in_files_list[] = DocumentManager::get_resources_from_source_html($new_abs_path, true, TOOL_DOCUMENT, $recursivity + 1);
|
|
if (count($in_files_list) > 0) {
|
|
$files_list = array_merge($files_list, $in_files_list);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
//found some protocol there
|
|
if (strpos($source, api_get_path(WEB_PATH)) !== false) {
|
|
//we found the current portal url
|
|
$files_list[] = array($source, 'local', 'url');
|
|
$in_files_list[] = DocumentManager::get_resources_from_source_html($source, true, TOOL_DOCUMENT, $recursivity + 1);
|
|
if (count($in_files_list) > 0) {
|
|
$files_list = array_merge($files_list, $in_files_list);
|
|
}
|
|
} else {
|
|
//we didn't find any trace of current portal
|
|
$files_list[] = array($source, 'remote', 'url');
|
|
}
|
|
} else {
|
|
//no protocol found, make link local
|
|
if (substr($source, 0, 1) === '/') {
|
|
//link starts with a /, making it absolute (relative to DocumentRoot)
|
|
$files_list[] = array($source, 'local', 'abs');
|
|
$in_files_list[] = DocumentManager::get_resources_from_source_html($source, true, TOOL_DOCUMENT, $recursivity + 1);
|
|
if (count($in_files_list) > 0) {
|
|
$files_list = array_merge($files_list, $in_files_list);
|
|
}
|
|
} elseif (strpos($source, '..') === 0) {
|
|
//link is relative but going back in the hierarchy
|
|
$files_list[] = array($source, 'local', 'rel');
|
|
$dir = '';
|
|
if (!empty($abs_path)) {
|
|
$dir = dirname($abs_path).'/';
|
|
}
|
|
$new_abs_path = realpath($dir.$source);
|
|
$in_files_list[] = DocumentManager::get_resources_from_source_html($new_abs_path, true, TOOL_DOCUMENT, $recursivity + 1);
|
|
if (count($in_files_list) > 0) {
|
|
$files_list = array_merge($files_list, $in_files_list);
|
|
}
|
|
} else {
|
|
//no starting '/', making it relative to current document's path
|
|
if (substr($source, 0, 2) == './') {
|
|
$source = substr($source, 2);
|
|
}
|
|
$files_list[] = array($source, 'local', 'rel');
|
|
$dir = '';
|
|
if (!empty($abs_path)) {
|
|
$dir = dirname($abs_path).'/';
|
|
}
|
|
$new_abs_path = realpath($dir.$source);
|
|
$in_files_list[] = DocumentManager::get_resources_from_source_html($new_abs_path, true, TOOL_DOCUMENT, $recursivity + 1);
|
|
if (count($in_files_list) > 0) {
|
|
$files_list = array_merge($files_list, $in_files_list);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
default: //ignore
|
|
break;
|
|
}
|
|
|
|
$checked_files_list = array();
|
|
$checked_array_list = array();
|
|
|
|
if (count($files_list ) > 0) {
|
|
foreach ($files_list as $idx => $file) {
|
|
if (!empty($file[0])) {
|
|
if (!in_array($file[0], $checked_files_list)) {
|
|
$checked_files_list[] = $files_list[$idx][0];
|
|
$checked_array_list[] = $files_list[$idx];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return $checked_array_list;
|
|
}
|
|
|
|
/**
|
|
* Parses the HTML attributes given as string.
|
|
*
|
|
* @param string HTML attribute string
|
|
* @param array List of attributes that we want to get back
|
|
* @return array An associative array of attributes
|
|
* @author Based on a function from the HTML_Common2 PEAR module
|
|
*/
|
|
function parse_HTML_attributes($attrString, $wanted = array()) {
|
|
$attributes = array();
|
|
$regs = array();
|
|
$reduced = false;
|
|
if (count($wanted) > 0) {
|
|
$reduced = true;
|
|
}
|
|
try {
|
|
//Find all occurences of something that looks like a URL
|
|
// The structure of this regexp is:
|
|
// (find protocol) then
|
|
// (optionally find some kind of space 1 or more times) then
|
|
// find (either an equal sign or a bracket) followed by an optional space
|
|
// followed by some text without quotes (between quotes itself or not)
|
|
// then possible closing brackets if we were in the opening bracket case
|
|
// OR something like @import()
|
|
$res = preg_match_all(
|
|
'/(((([A-Za-z_:])([A-Za-z0-9_:\.-]*))' .
|
|
// '/(((([A-Za-z_:])([A-Za-z0-9_:\.-]|[^\x00-\x7F])*)' . -> seems to be taking too much
|
|
// '/(((([A-Za-z_:])([^\x00-\x7F])*)' . -> takes only last letter of parameter name
|
|
'([ \n\t\r]+)?(' .
|
|
// '(=([ \n\t\r]+)?("[^"]+"|\'[^\']+\'|[^ \n\t\r]+))' . -> doesn't restrict close enough to the url itself
|
|
'(=([ \n\t\r]+)?("[^"\)]+"|\'[^\'\)]+\'|[^ \n\t\r\)]+))' .
|
|
'|' .
|
|
// '(\(([ \n\t\r]+)?("[^"]+"|\'[^\']+\'|[^ \n\t\r]+)\))' . -> doesn't restrict close enough to the url itself
|
|
'(\(([ \n\t\r]+)?("[^"\)]+"|\'[^\'\)]+\'|[^ \n\t\r\)]+)\))' .
|
|
'))' .
|
|
'|' .
|
|
// '(@import([ \n\t\r]+)?("[^"]+"|\'[^\']+\'|[^ \n\t\r]+)))?/', -> takes a lot (like 100's of thousands of empty possibilities)
|
|
'(@import([ \n\t\r]+)?("[^"]+"|\'[^\']+\'|[^ \n\t\r]+)))/',
|
|
$attrString,
|
|
$regs
|
|
);
|
|
|
|
} catch (Exception $e) {
|
|
error_log('Caught exception: '. $e->getMessage(), 0) ;
|
|
}
|
|
if ($res) {
|
|
for ($i = 0; $i < count($regs[1]); $i++) {
|
|
$name = trim($regs[3][$i]);
|
|
$check = trim($regs[0][$i]);
|
|
$value = trim($regs[10][$i]);
|
|
if (empty($value) and !empty($regs[13][$i])) {
|
|
$value = $regs[13][$i];
|
|
}
|
|
if (empty($name) && !empty($regs[16][$i])) {
|
|
$name = '@import';
|
|
$value = trim($regs[16][$i]);
|
|
}
|
|
if (!empty($name)) {
|
|
if (!$reduced OR in_array(strtolower($name), $wanted)) {
|
|
if ($name == $check) {
|
|
$attributes[strtolower($name)][] = strtolower($name);
|
|
} else {
|
|
if (!empty($value) && ($value[0] == '\'' || $value[0] == '"')) {
|
|
$value = substr($value, 1, -1);
|
|
}
|
|
if ($value == 'API.LMSGetValue(name') {
|
|
$value = 'API.LMSGetValue(name)';
|
|
}
|
|
$attributes[strtolower($name)][] = $value;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
error_log('preg_match did not find anything', 0);
|
|
}
|
|
return $attributes;
|
|
}
|
|
|
|
/**
|
|
* Replace urls inside content html from a copy course
|
|
* @param string content html
|
|
* @param string origin course code
|
|
* @param string destination course directory
|
|
* @return string new content html with replaced urls or return false if content is not a string
|
|
*/
|
|
function replace_urls_inside_content_html_from_copy_course($content_html, $origin_course_code, $destination_course_directory) {
|
|
|
|
if (!is_string($content_html)) {
|
|
return false;
|
|
}
|
|
|
|
$orig_source_html = DocumentManager::get_resources_from_source_html($content_html);
|
|
$orig_course_info = api_get_course_info($origin_course_code);
|
|
$orig_course_path = api_get_path(SYS_PATH).'courses/'.$orig_course_info['path'].'/';
|
|
$destination_course_code = CourseManager::get_course_id_from_path ($destination_course_directory);
|
|
$dest_course_path = api_get_path(SYS_COURSE_PATH).$destination_course_directory.'/';
|
|
|
|
|
|
foreach ($orig_source_html as $source) {
|
|
|
|
// get information about source url
|
|
$real_orig_url = $source[0]; // url
|
|
$scope_url = $source[1]; // scope (local, remote)
|
|
$type_url = $source[2]; // tyle (rel, abs, url)
|
|
|
|
|
|
// Get path and query from origin url
|
|
$orig_parse_url = parse_url($real_orig_url);
|
|
$real_orig_path = $orig_parse_url['path'];
|
|
$real_orig_query = $orig_parse_url['query'];
|
|
|
|
// Replace origin course code by destination course code from origin url query
|
|
$dest_url_query = '';
|
|
if (!empty($real_orig_query)) {
|
|
$dest_url_query = '?'.$real_orig_query;
|
|
if (strpos($dest_url_query,$origin_course_code) !== false) {
|
|
$dest_url_query = str_replace($origin_course_code, $destination_course_code, $dest_url_query);
|
|
}
|
|
}
|
|
|
|
if ($scope_url == 'local') {
|
|
if ( $type_url == 'abs' || $type_url == 'rel') {
|
|
$document_file = strstr($real_orig_path, 'document');
|
|
if (strpos($real_orig_path,$document_file) !== false) {
|
|
$origin_filepath = $orig_course_path.$document_file;
|
|
$destination_filepath = $dest_course_path.$document_file;
|
|
|
|
// copy origin file inside destination course
|
|
if (file_exists($origin_filepath)) {
|
|
|
|
$filepath_dir = dirname($destination_filepath);
|
|
if (!is_dir($filepath_dir)) {
|
|
$perm = api_get_permissions_for_new_directories();
|
|
@mkdir($filepath_dir, $perm, true);
|
|
}
|
|
if (!file_exists($destination_filepath)) {
|
|
@copy($origin_filepath, $destination_filepath);
|
|
}
|
|
}
|
|
|
|
// Replace origin course path by destination course path
|
|
if (strpos($content_html,$real_orig_url) !== false) {
|
|
//$origin_course_code
|
|
$url_course_path = str_replace($orig_course_info['path'].'/'.$document_file, '', $real_orig_path);
|
|
$destination_url = $url_course_path.$destination_course_directory.'/'.$document_file.$dest_url_query;
|
|
|
|
//If the course code doesn't exist in the path? what we do? Nothing! see BT#1985
|
|
if (strpos($real_orig_path, $origin_course_code) === false) {
|
|
$url_course_path = $real_orig_path;
|
|
$destination_url = $real_orig_path;
|
|
}
|
|
$content_html = str_replace($real_orig_url, $destination_url, $content_html);
|
|
}
|
|
}
|
|
|
|
// replace origin course code by destination course code from origin url
|
|
if (strpos($real_orig_url, '?') === 0) {
|
|
$dest_url = str_replace($origin_course_code, $destination_course_code, $real_orig_url);
|
|
$content_html = str_replace($real_orig_url, $dest_url, $content_html);
|
|
}
|
|
} else {
|
|
if ($type_url == 'url') {
|
|
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return $content_html;
|
|
}
|
|
|
|
/**
|
|
* Replace urls inside content html when moving a file
|
|
* @todo this code is only called in document.php but is commented
|
|
* @param string content html
|
|
* @param string origin
|
|
* @param string destination
|
|
* @return string new content html with replaced urls or return false if content is not a string
|
|
*/
|
|
function replace_urls_inside_content_html_when_moving_file($file_name, $original_path, $destiny_path) {
|
|
if (substr($original_path, strlen($original_path) -1 , strlen($original_path)) == '/') {
|
|
$original = $original_path.$file_name;
|
|
} else {
|
|
$original = $original_path.'/'.$file_name;
|
|
}
|
|
if (substr($destiny_path, strlen($destiny_path) -1 , strlen($destiny_path)) == '/') {
|
|
$destination = $destiny_path.$file_name;
|
|
} else {
|
|
$destination = $destiny_path.'/'.$file_name;
|
|
}
|
|
var_dump("From $original ", "to $destination");
|
|
$original_count = count(explode('/', $original));
|
|
$destination_count = count(explode('/', $destination));
|
|
if ($original_count == $destination_count) {
|
|
//Nothing to change
|
|
return true;
|
|
}
|
|
|
|
$mode = '';
|
|
if ($original_count > $destination_count) {
|
|
$mode = 'outside';
|
|
} else {
|
|
$mode = 'inside';
|
|
}
|
|
echo $original_count.' '.$destination_count;
|
|
var_dump($mode);
|
|
//We do not select the $original_path becayse the file was already moved
|
|
$content_html = file_get_contents($destiny_path.'/'.$file_name);
|
|
$destination_file = $destiny_path.'/'.$file_name;
|
|
|
|
|
|
$pre_original = strstr($original_path, 'document');
|
|
$pre_destin = strstr($destiny_path, 'document');
|
|
|
|
var_dump ("pre_original $pre_original");
|
|
var_dump ("pre_destin $pre_destin");
|
|
|
|
$pre_original = substr($pre_original, 8, strlen($pre_original));
|
|
$pre_destin = substr($pre_destin, 8, strlen($pre_destin));
|
|
|
|
var_dump ("pre_original $pre_original");
|
|
var_dump ("pre_destin $pre_destin");
|
|
|
|
$levels = count(explode('/', $pre_destin)) - 1 ;
|
|
$link_to_add = '';
|
|
for ($i=1; $i <=$levels ; $i++) {
|
|
$link_to_add .= '../';
|
|
}
|
|
|
|
if ($pre_original == '/') {
|
|
$pre_original = '';
|
|
}
|
|
|
|
if ($pre_destin == '/') {
|
|
$pre_destin = '';
|
|
}
|
|
|
|
if ($pre_original != '') {
|
|
$pre_original = '..'.$pre_original.'/';
|
|
}
|
|
|
|
if ($pre_destin != '') {
|
|
$pre_destin = '..'.$pre_destin.'/';
|
|
}
|
|
|
|
var_dump($pre_original);
|
|
|
|
$levels = explode('/', $pre_original);
|
|
var_dump($levels);
|
|
|
|
$count_pre_destination_levels = 0;
|
|
foreach($levels as $item) {
|
|
if (!empty($item) && $item != '..') {
|
|
$count_pre_destination_levels++;
|
|
}
|
|
}
|
|
$count_pre_destination_levels--;
|
|
//$count_pre_destination_levels = count() - 3;
|
|
if ($count_pre_destination_levels == 0 ) {
|
|
$count_pre_destination_levels = 1;
|
|
}
|
|
echo '$count_pre_destination_levels '. $count_pre_destination_levels;
|
|
$pre_remove = '';
|
|
for ($i=1; $i <= $count_pre_destination_levels; $i++) {
|
|
$pre_remove .='..\/';
|
|
}
|
|
|
|
var_dump(' link to add '.$link_to_add.' -- remove '.$pre_remove);
|
|
|
|
$orig_source_html = DocumentManager::get_resources_from_source_html($content_html);
|
|
$orig_course_info = api_get_course_info($origin_course_code);
|
|
$orig_course_path = api_get_path(SYS_PATH).'courses/'.$orig_course_info['path'].'/';
|
|
|
|
//$destination_course_code = CourseManager::get_course_id_from_path ($destination_course_directory);
|
|
//$dest_course_path = api_get_path(SYS_COURSE_PATH).$destination_course_directory.'/';
|
|
var_dump($orig_source_html);
|
|
|
|
foreach ($orig_source_html as $source) {
|
|
|
|
// get information about source url
|
|
$real_orig_url = $source[0]; // url
|
|
$scope_url = $source[1]; // scope (local, remote)
|
|
$type_url = $source[2]; // tyle (rel, abs, url)
|
|
|
|
|
|
// Get path and query from origin url
|
|
$orig_parse_url = parse_url($real_orig_url);
|
|
$real_orig_path = $orig_parse_url['path'];
|
|
$real_orig_query = $orig_parse_url['query'];
|
|
|
|
// Replace origin course code by destination course code from origin url query
|
|
/*
|
|
$dest_url_query = '';
|
|
if (!empty($real_orig_query)) {
|
|
$dest_url_query = '?'.$real_orig_query;
|
|
if (strpos($dest_url_query,$origin_course_code) !== false) {
|
|
$dest_url_query = str_replace($origin_course_code, $destination_course_code, $dest_url_query);
|
|
}
|
|
}*/
|
|
|
|
if ($scope_url == 'local') {
|
|
if ( $type_url == 'abs' || $type_url == 'rel') {
|
|
$document_file = strstr($real_orig_path, 'document');
|
|
|
|
if (strpos($real_orig_path, $document_file) !== false) {
|
|
echo 'continue1';
|
|
continue;
|
|
} else {
|
|
$real_orig_url_temp = '';
|
|
if ($mode == 'inside') {
|
|
$real_orig_url_temp = str_replace('../', '', $real_orig_url);
|
|
$destination_url = $link_to_add.$real_orig_url_temp;
|
|
} else {
|
|
$real_orig_url_temp = $real_orig_url;
|
|
|
|
$destination_url = preg_replace("/".$pre_remove."/", '', $real_orig_url, 1);
|
|
}
|
|
if ($real_orig_url == $destination_url) {
|
|
echo 'continue2';
|
|
continue;
|
|
}
|
|
var_dump($real_orig_url_temp.' - '.$destination_url);
|
|
$content_html = str_replace($real_orig_url, $destination_url, $content_html);
|
|
}
|
|
} else {
|
|
echo 'continue3';
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
$return = file_put_contents($destination, $content_html);
|
|
//var_dump($destination, $content_html);
|
|
return $return;
|
|
}
|
|
|
|
public function export_to_pdf($document_id, $course_code) {
|
|
require_once api_get_path(LIBRARY_PATH).'pdf.lib.php';
|
|
$course_data = api_get_course_info($course_code);
|
|
$document_data = self::get_document_data_by_id($document_id, $course_code);
|
|
$file_path = api_get_path(SYS_COURSE_PATH).$course_data['path'].'/document'.$document_data['path'];
|
|
$pdf = new PDF();
|
|
$pdf->html_to_pdf($file_path, $document_data['title'], $course_code);
|
|
}
|
|
|
|
/**
|
|
* Uploads a document
|
|
*
|
|
* @param array the $_FILES variable
|
|
* @param string $path
|
|
* @param string title
|
|
* @param string comment
|
|
* @param int unzip or not the file
|
|
* @param int if_exists overwrite, rename or warn if exists (default)
|
|
* @param bool index document (search xapian module)
|
|
* @param bool print html messages
|
|
* @return unknown_type
|
|
*/
|
|
public function upload_document($files, $path, $title = '', $comment = '', $unzip = 0, $if_exists = '', $index_document = false, $show_output = false) {
|
|
require_once api_get_path(LIBRARY_PATH).'fileUpload.lib.php';
|
|
|
|
$max_filled_space = self::get_course_quota();
|
|
$course_info = api_get_course_info();
|
|
$course_dir = $course_info['path'].'/document';
|
|
$sys_course_path = api_get_path(SYS_COURSE_PATH);
|
|
$base_work_dir = $sys_course_path.$course_dir;
|
|
|
|
if (isset($files['file'])) {
|
|
$upload_ok = process_uploaded_file($files['file'], $show_output);
|
|
|
|
if ($upload_ok) {
|
|
// File got on the server without problems, now process it
|
|
$new_path = handle_uploaded_document($course_info, $files['file'], $base_work_dir, $path, api_get_user_id(), api_get_group_id(), null, $max_filled_space, $unzip, $if_exists, $show_output);
|
|
if ($new_path) {
|
|
$docid = DocumentManager::get_document_id($course_info, $new_path);
|
|
if (!empty($docid)) {
|
|
$table_document = Database::get_course_table(TABLE_DOCUMENT);
|
|
$params = array();
|
|
if (!empty($title)) {
|
|
$params['title'] = trim($title);
|
|
} else {
|
|
$params['title'] = $files['file']['name'];
|
|
}
|
|
if (!empty($comment)) {
|
|
$params['comment'] = trim($comment);
|
|
}
|
|
Database::update($table_document, $params, array('id = ?' =>$docid));
|
|
}
|
|
|
|
// Showing message when sending zip files
|
|
if ($new_path === true && $unzip == 1 && $show_output) {
|
|
Display::display_confirmation_message(get_lang('UplUploadSucceeded').'<br />', false);
|
|
}
|
|
|
|
//@todo move this code somewhere else a.k.a Rework search module
|
|
if ((api_get_setting('search_enabled') == 'true') && $index_document && !empty($docid)) {
|
|
$table_document = Database::get_course_table(TABLE_DOCUMENT);
|
|
$result = Database::query("SELECT * FROM $table_document WHERE id = '$docid' LIMIT 1");
|
|
if (Database::num_rows($result) == 1) {
|
|
$row = Database::fetch_array($result);
|
|
$doc_path = api_get_path(SYS_COURSE_PATH).$course_dir.$row['path'];
|
|
//TODO: mime_content_type is deprecated, fileinfo php extension is enabled by default as of PHP 5.3.0
|
|
// now versions of PHP on Debian testing(5.2.6-5) and Ubuntu(5.2.6-2ubuntu) are lower, so wait for a while
|
|
$doc_mime = mime_content_type($doc_path);
|
|
//echo $doc_mime;
|
|
//TODO: more mime types
|
|
$allowed_mime_types = array('text/plain', 'application/pdf', 'application/postscript', 'application/msword', 'text/html', 'text/rtf', 'application/vnd.ms-powerpoint', 'application/vnd.ms-excel');
|
|
|
|
// mime_content_type does not detect correctly some formats that are going to be supported for index, so an extensions array is used by the moment
|
|
if (empty($doc_mime)) {
|
|
$allowed_extensions = array('ppt', 'pps', 'xls');
|
|
$extensions = preg_split("/[\/\\.]/", $doc_path) ;
|
|
$doc_ext = strtolower($extensions[count($extensions) - 1]);
|
|
if (in_array($doc_ext, $allowed_extensions)) {
|
|
switch ($doc_ext) {
|
|
case 'ppt':
|
|
case 'pps':
|
|
$doc_mime = 'application/vnd.ms-powerpoint';
|
|
break;
|
|
case 'xls':
|
|
$doc_mime = 'application/vnd.ms-excel';
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
//@todo move this nightmare in a search controller or something like that!!! J.M
|
|
|
|
if (in_array($doc_mime, $allowed_mime_types) && isset($index_document) && $index_document) {
|
|
$file_title = $row['title'];
|
|
$file_content = self::get_text_content($doc_path, $doc_mime);
|
|
$courseid = api_get_course_id();
|
|
$lang = isset($_POST['language']) ? Database::escape_string($_POST['language']) : 'english';
|
|
|
|
require_once api_get_path(LIBRARY_PATH).'search/DokeosIndexer.class.php';
|
|
require_once api_get_path(LIBRARY_PATH).'search/IndexableChunk.class.php';
|
|
|
|
$ic_slide = new IndexableChunk();
|
|
$ic_slide->addValue('title', $file_title);
|
|
$ic_slide->addCourseId($courseid);
|
|
$ic_slide->addToolId(TOOL_DOCUMENT);
|
|
$xapian_data = array(
|
|
SE_COURSE_ID => $courseid,
|
|
SE_TOOL_ID => TOOL_DOCUMENT,
|
|
SE_DATA => array('doc_id' => $docid),
|
|
SE_USER => api_get_user_id(),
|
|
);
|
|
|
|
//var_dump($xapian_data); echo '<pre>';
|
|
|
|
$ic_slide->xapian_data = serialize($xapian_data);
|
|
$di = new DokeosIndexer();
|
|
$return = $di->connectDb(null, null, $lang);
|
|
|
|
$specific_fields = get_specific_field_list();
|
|
|
|
// process different depending on what to do if file exists
|
|
/**
|
|
* FIXME: Find a way to really verify if the file had been
|
|
* overwriten. Now all work is done at
|
|
* handle_uploaded_document() and it's difficult to verify it
|
|
*/
|
|
if (!empty($if_exists) && $if_exists == 'overwrite') {
|
|
// overwrite the file on search engine
|
|
// actually, it consists on delete terms from db, insert new ones, create a new search engine document, and remove the old one
|
|
|
|
// Get search_did
|
|
$tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
|
|
$sql = 'SELECT * FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s LIMIT 1';
|
|
$sql = sprintf($sql, $tbl_se_ref, $courseid, TOOL_DOCUMENT, $docid);
|
|
|
|
$res = Database::query($sql);
|
|
|
|
if (Database::num_rows($res) > 0) {
|
|
$se_ref = Database::fetch_array($res);
|
|
$di->remove_document($se_ref['search_did']);
|
|
$all_specific_terms = '';
|
|
foreach ($specific_fields as $specific_field) {
|
|
delete_all_specific_field_value($courseid, $specific_field['id'], TOOL_DOCUMENT, $docid);
|
|
// Update search engine
|
|
$sterms = trim($_REQUEST[$specific_field['code']]);
|
|
$all_specific_terms .= ' '. $sterms;
|
|
$sterms = explode(',', $sterms);
|
|
foreach ($sterms as $sterm) {
|
|
$sterm = trim($sterm);
|
|
if (!empty($sterm)) {
|
|
$ic_slide->addTerm($sterm, $specific_field['code']);
|
|
add_specific_field_value($specific_field['id'], $courseid, TOOL_DOCUMENT, $docid, $value);
|
|
}
|
|
}
|
|
}
|
|
// Add terms also to content to make terms findable by probabilistic search
|
|
$file_content = $all_specific_terms .' '. $file_content;
|
|
|
|
$ic_slide->addValue('content', $file_content);
|
|
$di->addChunk($ic_slide);
|
|
// Index and return a new search engine document id
|
|
$did = $di->index();
|
|
//var_dump($did);
|
|
if ($did) {
|
|
// update the search_did on db
|
|
$tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
|
|
$sql = 'UPDATE %s SET search_did=%d WHERE id=%d LIMIT 1';
|
|
$sql = sprintf($sql, $tbl_se_ref, (int)$did, (int)$se_ref['id']);
|
|
Database::query($sql);
|
|
}
|
|
}
|
|
} else {
|
|
// Add all terms
|
|
$all_specific_terms = '';
|
|
foreach ($specific_fields as $specific_field) {
|
|
if (isset($_REQUEST[$specific_field['code']])) {
|
|
$sterms = trim($_REQUEST[$specific_field['code']]);
|
|
$all_specific_terms .= ' '. $sterms;
|
|
if (!empty($sterms)) {
|
|
$sterms = explode(',', $sterms);
|
|
foreach ($sterms as $sterm) {
|
|
$ic_slide->addTerm(trim($sterm), $specific_field['code']);
|
|
add_specific_field_value($specific_field['id'], $courseid, TOOL_DOCUMENT, $docid, $sterm);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// Add terms also to content to make terms findable by probabilistic search
|
|
$file_content = $all_specific_terms .' '. $file_content;
|
|
$ic_slide->addValue('content', $file_content);
|
|
$di->addChunk($ic_slide);
|
|
// Index and return search engine document id
|
|
$did = $di->index();
|
|
if ($did) {
|
|
// Save it to db
|
|
$tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
|
|
$sql = 'INSERT INTO %s (id, course_code, tool_id, ref_id_high_level, search_did)
|
|
VALUES (NULL , \'%s\', \'%s\', %s, %s)';
|
|
$sql = sprintf($sql, $tbl_se_ref, $courseid, TOOL_DOCUMENT, $docid, $did);
|
|
Database::query($sql);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*// Check for missing images in html files
|
|
$missing_files = check_for_missing_files($base_work_dir.$new_path);
|
|
if ($missing_files && $show_output) {
|
|
// Show a form to upload the missing files
|
|
Display::display_normal_message(build_missing_files_form($missing_files, $path, $files['file']['name']), false);
|
|
}*/
|
|
|
|
if (!empty($docid) && is_numeric($docid)) {
|
|
$document_data = self::get_document_data_by_id($docid, $course_info['code']);
|
|
return $document_data;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Obtains the text inside the file with the right parser
|
|
|
|
*/
|
|
function get_text_content($doc_path, $doc_mime) {
|
|
// TODO: review w$ compatibility
|
|
|
|
// Use usual exec output lines array to store stdout instead of a temp file
|
|
// because we need to store it at RAM anyway before index on DokeosIndexer object
|
|
$ret_val = null;
|
|
switch ($doc_mime) {
|
|
case 'text/plain':
|
|
$handle = fopen($doc_path, 'r');
|
|
$output = array(fread($handle, filesize($doc_path)));
|
|
fclose($handle);
|
|
break;
|
|
case 'application/pdf':
|
|
exec("pdftotext $doc_path -", $output, $ret_val);
|
|
break;
|
|
case 'application/postscript':
|
|
$temp_file = tempnam(sys_get_temp_dir(), 'chamilo');
|
|
exec("ps2pdf $doc_path $temp_file", $output, $ret_val);
|
|
if ($ret_val !== 0) { // shell fail, probably 127 (command not found)
|
|
return false;
|
|
}
|
|
exec("pdftotext $temp_file -", $output, $ret_val);
|
|
unlink($temp_file);
|
|
break;
|
|
case 'application/msword':
|
|
exec("catdoc $doc_path", $output, $ret_val);
|
|
break;
|
|
case 'text/html':
|
|
exec("html2text $doc_path", $output, $ret_val);
|
|
break;
|
|
case 'text/rtf':
|
|
// Note: correct handling of code pages in unrtf
|
|
// on debian lenny unrtf v0.19.2 can not, but unrtf v0.20.5 can
|
|
exec("unrtf --text $doc_path", $output, $ret_val);
|
|
if ($ret_val == 127) { // command not found
|
|
return false;
|
|
}
|
|
// Avoid index unrtf comments
|
|
if (is_array($output) && count($output) > 1) {
|
|
$parsed_output = array();
|
|
foreach ($output as & $line) {
|
|
if (!preg_match('/^###/', $line, $matches)) {
|
|
if (!empty($line)) {
|
|
$parsed_output[] = $line;
|
|
}
|
|
}
|
|
}
|
|
$output = $parsed_output;
|
|
}
|
|
break;
|
|
case 'application/vnd.ms-powerpoint':
|
|
exec("catppt $doc_path", $output, $ret_val);
|
|
break;
|
|
case 'application/vnd.ms-excel':
|
|
exec("xls2csv -c\" \" $doc_path", $output, $ret_val);
|
|
break;
|
|
}
|
|
|
|
$content = '';
|
|
if (!is_null($ret_val)) {
|
|
if ($ret_val !== 0) { // shell fail, probably 127 (command not found)
|
|
return false;
|
|
}
|
|
}
|
|
if (isset($output)) {
|
|
foreach ($output as & $line) {
|
|
$content .= $line."\n";
|
|
}
|
|
return $content;
|
|
}
|
|
else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Calculates the total size of all documents in a course
|
|
*
|
|
* @author Bert vanderkimpen
|
|
* @param int $to_group_id (to calculate group document space)
|
|
* @return int total size
|
|
*/
|
|
function documents_total_space($to_group_id = '0') {
|
|
$TABLE_ITEMPROPERTY = Database::get_course_table(TABLE_ITEM_PROPERTY);
|
|
$TABLE_DOCUMENT = Database::get_course_table(TABLE_DOCUMENT);
|
|
|
|
$sql = "SELECT SUM(size)
|
|
FROM ".$TABLE_ITEMPROPERTY." AS props, ".$TABLE_DOCUMENT." AS docs
|
|
WHERE docs.id = props.ref
|
|
AND props.tool = '".TOOL_DOCUMENT."'
|
|
AND props.to_group_id='".$to_group_id."'
|
|
AND props.visibility <> 2";
|
|
|
|
$result = Database::query($sql);
|
|
|
|
if ($result && Database::num_rows($result) != 0) {
|
|
$row = Database::fetch_row($result);
|
|
return $row[0];
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Here we count 1 kilobyte = 1000 byte, 12 megabyte = 1000 kilobyte.
|
|
*/
|
|
function display_quota($course_quota, $already_consumed_space) {
|
|
$course_quota_m = round($course_quota / 1000000);
|
|
$already_consumed_space_m = round($already_consumed_space / 1000000);
|
|
|
|
|
|
$message = get_lang('MaximumAllowedQuota') . ' <strong>'.$course_quota_m.' megabyte</strong>.<br />';
|
|
$message .= get_lang('CourseCurrentlyUses') . ' <strong>' . $already_consumed_space_m . ' megabyte</strong>.<br />';
|
|
|
|
|
|
$percentage = $already_consumed_space / $course_quota * 100;
|
|
|
|
$percentage = round($percentage, 1);
|
|
|
|
$other_percentage = $percentage < 100 ? 100 - $percentage : 0;
|
|
|
|
// Decide where to place percentage in graph
|
|
if ($percentage >= 50) {
|
|
$text_in_filled = ' '.$other_percentage.'%';
|
|
$text_in_unfilled = '';
|
|
} else {
|
|
$text_in_unfilled = ' '.$other_percentage.'%';
|
|
$text_in_filled = '';
|
|
}
|
|
|
|
// Decide the background colour of the graph
|
|
if ($percentage < 65) {
|
|
$colour = '#00BB00'; // Safe - green
|
|
} elseif ($percentage < 90) {
|
|
$colour = '#ffd400'; // Filling up - yelloworange
|
|
} else {
|
|
$colour = '#DD0000'; // Full - red
|
|
}
|
|
|
|
// This is used for the table width: a table of only 100 pixels looks too small
|
|
$visual_percentage = 4 * $percentage;
|
|
$visual_other_percentage = 4 * $other_percentage;
|
|
|
|
$message .= get_lang('PercentageQuotaInUse') . ': <strong>'.$percentage.'%</strong>.<br />' .
|
|
get_lang('PercentageQuotaFree') . ': <strong>'.$other_percentage.'%</strong>.<br />';
|
|
|
|
$show_percentage = ' '.$percentage.'%';
|
|
$message .= '<div style="width: 80%; text-align: center; -moz-border-radius: 5px 5px 5px 5px; border: 1px solid #aaa; background-image: url(\''.api_get_path(WEB_CODE_PATH).'css/'.api_get_visual_theme().'/images/bg-header4.png\');" class="document-quota-bar">'.
|
|
'<div style="width:'.$percentage.'%; background-color: #bbb; border-right:3px groove #bbb; -moz-border-radius:5px;"> </div>'.
|
|
'<span style="margin-top: -15px; margin-left:-15px; position: absolute;font-weight:bold;">'.$show_percentage.'</span></div>';
|
|
echo $message;
|
|
}
|
|
|
|
|
|
/**
|
|
* Display the document quota in a simple way
|
|
*
|
|
* Here we count 1 kilobyte = 1000 byte, 12 megabyte = 1000 kilobyte.
|
|
*/
|
|
function display_simple_quota($course_quota, $already_consumed_space) {
|
|
$course_quota_m = round($course_quota / 1000000);
|
|
$already_consumed_space_m = round($already_consumed_space / 1000000, 2);
|
|
$percentage = $already_consumed_space / $course_quota * 100;
|
|
$percentage = round($percentage, 1);
|
|
//$message = "You are currently using %s (%s) of your %s.";
|
|
$message = get_lang('YouAreCurrentlyUsingXOfYourX');
|
|
$message = sprintf($message, $already_consumed_space_m, $percentage.'%',$course_quota_m.' ');
|
|
echo Display::div($message, array('id'=>'document_quota'));
|
|
}
|
|
|
|
|
|
/**
|
|
* Checks if there is enough place to add a file on a directory
|
|
* on the base of a maximum directory size allowed
|
|
*
|
|
* @author Bert Vanderkimpen
|
|
* @param int file_size size of the file in byte
|
|
* @param array $_course
|
|
* @param int max_dir_space maximum size
|
|
* @return boolean true if there is enough space, false otherwise
|
|
*
|
|
* @see enough_space() uses documents_total_space() function
|
|
*/
|
|
function enough_space($file_size, $max_dir_space) {
|
|
if ($max_dir_space) {
|
|
$already_filled_space = self::documents_total_space();
|
|
if (($file_size + $already_filled_space) > $max_dir_space) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
*
|
|
* Shows a play icon next to the document title in the document list
|
|
* @param int
|
|
* @return string html content
|
|
*/
|
|
function generate_media_preview($i) {
|
|
$i = intval($i);
|
|
|
|
/*//shows all the player
|
|
$html = '<div id="jquery_jplayer_'.$i.'" class="jp-jplayer"></div>
|
|
<div class="jp-audio">
|
|
<div class="jp-type-single">
|
|
<div id="jp_interface_'.$i.'" class="jp-interface">
|
|
<ul class="jp-controls">
|
|
<li><a href="#" class="jp-play" tabindex="'.$i.'">play</a></li>
|
|
<li><a href="#" class="jp-pause" tabindex="'.$i.'">pause</a></li>
|
|
<li><a href="#" class="jp-stop" tabindex="'.$i.'">stop</a></li>
|
|
<li><a href="#" class="jp-mute" tabindex="'.$i.'">mute</a></li>
|
|
<li><a href="#" class="jp-unmute" tabindex="'.$i.'">unmute</a></li>
|
|
</ul>
|
|
<div class="jp-progress">
|
|
<div class="jp-seek-bar">
|
|
<div class="jp-play-bar"></div>
|
|
</div>
|
|
</div>
|
|
<div class="jp-volume-bar">
|
|
<div class="jp-volume-bar-value"></div>
|
|
</div>
|
|
<div class="jp-current-time"></div>
|
|
<div class="jp-duration"></div>
|
|
</div>
|
|
</div>
|
|
</div>';*/
|
|
|
|
//Shows only the play button
|
|
$html = ' <div id="jquery_jplayer_'.$i.'" class="jp-jplayer"></div>
|
|
<div class="jp-audio">
|
|
<div class="jp-type-single">
|
|
<div id="jp_interface_'.$i.'" class="jp-interface">
|
|
<ul class="jp-controls">
|
|
<li><a href="#" class="jp-play" tabindex="1">play</a></li>
|
|
<li><a href="#" class="jp-pause" tabindex="1">pause</a></li>
|
|
</ul>
|
|
</div>
|
|
</div>
|
|
</div>';
|
|
return $html;
|
|
}
|
|
|
|
function get_document_preview($course_info, $lp_id = false, $target = '', $session_id = 0) {
|
|
|
|
if (!isset($course_info['dbName'])) {
|
|
$course_info = api_get_course_info($course_info['code']);
|
|
}
|
|
|
|
if (empty($course_info) || !is_array($course_info)) {
|
|
return '';
|
|
}
|
|
$user_id = api_get_user_id();
|
|
|
|
$user_in_course = false;
|
|
|
|
if (api_is_platform_admin()) {
|
|
$user_in_course = true;
|
|
}
|
|
|
|
if (!$user_in_course) {
|
|
if (CourseManager::is_course_teacher($user_id, $course_info['code'])) {
|
|
$user_in_course = true;
|
|
}
|
|
}
|
|
|
|
//condition for the session
|
|
$session_id = intval($session_id);
|
|
|
|
if (!$user_in_course) {
|
|
if (empty($session_id)) {
|
|
if (CourseManager::is_user_subscribed_in_course($user_id, $course_info['code'])) {
|
|
$user_in_course = true;
|
|
}
|
|
} else {
|
|
$user_status = SessionManager::get_user_status_in_session($user_id, $course_info['code'], $session_id);
|
|
if (in_array($user_status, array('0', '6'))) { //user and coach
|
|
$user_in_course = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
$tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
|
|
$tbl_doc = Database::get_course_table(TABLE_DOCUMENT, $course_info['dbName']);
|
|
$tbl_item_prop = Database::get_course_table(TABLE_ITEM_PROPERTY, $course_info['dbName']);
|
|
|
|
$path = '/';
|
|
$path = Database::escape_string(str_replace('_', '\_', $path));
|
|
$added_slash = ($path == '/') ? '' : '/';
|
|
|
|
|
|
//$condition_session = " AND (id_session = '$session_id' OR (id_session = '0' AND insert_date <= (SELECT creation_date FROM $tbl_course WHERE code = '".$course_info['code']."' )))";
|
|
$condition_session = " AND (id_session = '$session_id' OR id_session = '0' )";
|
|
|
|
$sql_doc = "SELECT last.visibility, docs.* ".
|
|
" FROM $tbl_item_prop AS last, $tbl_doc AS docs ".
|
|
" WHERE docs.id = last.ref ".
|
|
" AND docs.path LIKE '".$path.$added_slash."%' ".
|
|
" AND docs.path NOT LIKE '%_DELETED_%' ".
|
|
" AND last.tool = '".TOOL_DOCUMENT."' $condition_session ".
|
|
" AND last.visibility = '1' ".
|
|
"ORDER BY docs.path ASC";
|
|
$res_doc = Database::query($sql_doc);
|
|
$resources = Database::store_result($res_doc, 'ASSOC');
|
|
$return = '';
|
|
|
|
$resources_sorted = array();
|
|
|
|
if ($lp_id) {
|
|
$return .= '<div class="lp_resource_element">';
|
|
$return .= Display::return_icon('new_doc.gif', '', array(), 22);
|
|
$return .= Display::url(get_lang('NewDocument'), api_get_self().'?'.api_get_cidreq().'&action=add_item&type='.TOOL_DOCUMENT.'&lp_id='.$_SESSION['oLP']->lp_id);
|
|
$return .= '</div>';
|
|
} else {
|
|
$return .= Display::div(Display::url(Display::return_icon('delete.png', get_lang('Close'), array(), 22), 'javascript:void();', array('id'=>'close_div_'.$course_info['real_id'].'_'.$session_id,'class' =>'close_div')), array('style' => 'position:absolute;right:10px'));
|
|
}
|
|
|
|
// If you want to debug it, I advise you to do "echo" on the eval statements.
|
|
if (!empty($resources) && $user_in_course) {
|
|
foreach ($resources as $resource) {
|
|
$is_visible = self::is_visible_by_id($resource['id'], $course_info, $session_id, api_get_user_id());
|
|
if (!$is_visible) {
|
|
continue;
|
|
}
|
|
$resource_paths = explode('/', $resource['path']);
|
|
array_shift($resource_paths);
|
|
$path_to_eval = $last_path = '';
|
|
$is_file = false;
|
|
|
|
if ($resource['filetype'] == 'file') {
|
|
foreach ($resource_paths as $key => $resource_path) {
|
|
if ($key != count($resource_paths)-1) {
|
|
// It's a folder.
|
|
$path_to_eval .= "['$resource_path']['files']";
|
|
}
|
|
$is_file = true;
|
|
}
|
|
} else {
|
|
foreach ($resource_paths as $key => $resource_path) {
|
|
if ($key != count($resource_paths) - 1) {
|
|
// It's a folder.
|
|
$path_to_eval .= "['$resource_path']['files']";
|
|
}
|
|
}
|
|
}
|
|
|
|
$last_path = $resource_path;
|
|
|
|
|
|
if ($is_file) {
|
|
//for backward compatibility
|
|
if (empty($resource['title'])) {
|
|
$resource['title'] = basename($resource['path']);
|
|
}
|
|
eval ('$resources_sorted'.$path_to_eval.'['.$resource['id'].'] = "'.$resource['title']."/". $last_path.'";');
|
|
} else {
|
|
eval ('$resources_sorted'.$path_to_eval.'["'.$last_path.'"]["id"]='.$resource['id'].';');
|
|
}
|
|
}
|
|
}
|
|
|
|
$label = get_lang('Documents');
|
|
$new_array[$label] = array('id' => 0, 'files' => $resources_sorted);
|
|
|
|
$write_result = self::write_resources_tree($course_info, $session_id, $new_array, 0, $lp_id, $target);
|
|
|
|
$return .= $write_result ;
|
|
|
|
$return = Display::div($return, array('class'=>'lp_resource'));
|
|
$img_path = api_get_path(WEB_IMG_PATH);
|
|
|
|
if ($lp_id == false) {
|
|
$return .= "<script>
|
|
|
|
$('.doc_folder').mouseover(function() {
|
|
var my_id = this.id.split('_')[2];
|
|
$('#'+my_id).show();
|
|
});
|
|
|
|
$('.close_div').click(function() {
|
|
var course_id = this.id.split('_')[2];
|
|
var session_id = this.id.split('_')[3];
|
|
$('#document_result_'+course_id+'_'+session_id).hide();
|
|
$('.lp_resource').remove();
|
|
});
|
|
</script>";
|
|
} else {
|
|
//For LPs
|
|
$return .= "<script>
|
|
|
|
function testResources(id, img) {
|
|
if (document.getElementById(id).style.display=='block'){
|
|
document.getElementById(id).style.display='none';
|
|
document.getElementById('img_'+id).src='".$img_path."nolines_plus.gif';
|
|
} else {
|
|
document.getElementById(id).style.display='block';
|
|
document.getElementById('img_'+id).src='".$img_path."nolines_minus.gif';
|
|
}
|
|
}
|
|
</script>";
|
|
}
|
|
if(!$user_in_course) {
|
|
$return = '';
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Generate and return an HTML list of resources based on a given array.
|
|
* This list is used to show the course creator a list of available resources to choose from
|
|
* when creating a learning path.
|
|
* @param array Array of elements to add to the list
|
|
* @param integer Enables the tree display by shifting the new elements a certain distance to the right
|
|
* @return string The HTML list
|
|
*/
|
|
public function write_resources_tree($course_info, $session_id, $resources_sorted, $num = 0, $lp_id = false, $target = '') {
|
|
require_once api_get_path(LIBRARY_PATH).'fileDisplay.lib.php';
|
|
|
|
$img_path = api_get_path(WEB_IMG_PATH);
|
|
$img_sys_path = api_get_path(SYS_CODE_PATH).'img/';
|
|
$web_code_path = api_get_path(WEB_CODE_PATH);
|
|
|
|
$return = '';
|
|
if (count($resources_sorted) > 0) {
|
|
foreach ($resources_sorted as $key => $resource) {
|
|
if (isset($resource['id']) && is_int($resource['id'])) {
|
|
// It's a folder.
|
|
//hide some folders
|
|
if (in_array($key, array('shared_folder','chat_files', 'HotPotatoes_files', 'css', 'certificates'))){
|
|
continue;
|
|
} elseif(preg_match('/_groupdocs/', $key)){
|
|
continue;
|
|
} elseif(preg_match('/sf_user_/', $key)){
|
|
continue;
|
|
} elseif(preg_match('/shared_folder_session_/', $key)){
|
|
continue;
|
|
}
|
|
|
|
//trad some titles
|
|
if ($key=='images') {
|
|
$key=get_lang('Images');
|
|
} elseif($key=='gallery') {
|
|
$key=get_lang('Gallery');
|
|
} elseif($key=='flash') {
|
|
$key=get_lang('Flash');
|
|
} elseif($key=='audio'){
|
|
$key=get_lang('Audio');
|
|
} elseif($key=='video') {
|
|
$key=get_lang('Video');
|
|
}
|
|
|
|
$onclick = '';
|
|
if ($lp_id) {
|
|
$onclick = 'onclick="javascript: testResources(\'' . $resource['id'] . '\',\'img_' . $resource['id'] . '\')"';
|
|
}
|
|
|
|
$return .= '<div class="doc_resource">';
|
|
$return .= '<div class="doc_folder" id="doc_id_'.$resource['id'].'" style="margin-left:'.($num * 18).'px; margin-right:5px;">';
|
|
if ($lp_id) {
|
|
$return .= '<img style="cursor: pointer;" src="'.$img_path.'nolines_plus.gif" align="absmiddle" id="img_' . $resource['id'] . '" '.$onclick.' >';
|
|
} else {
|
|
$return .= '<span style="margin-left:16px"> </span>';
|
|
}
|
|
$return .= '<img alt="" src="'.$img_path.'lp_folder.gif" title="" align="absmiddle" /> ';
|
|
$return .= '<span '.$onclick.' style="cursor: pointer;" >'.$key.'</span>';
|
|
$return .= '</div>
|
|
<div style="display: none;" id="'.$resource['id'].'">';
|
|
|
|
if (isset($resource['files'])) {
|
|
$return .= self::write_resources_tree($course_info, $session_id, $resource['files'], $num +1, $lp_id, $target);
|
|
}
|
|
$return .= '</div></div>';
|
|
} else {
|
|
if (!is_array($resource)) {
|
|
|
|
// It's a file.
|
|
$icon = choose_image($resource);
|
|
$position = strrpos($icon, '.');
|
|
$icon = substr($icon, 0, $position) . '_small.gif';
|
|
$file_info = explode('/', $resource);
|
|
$my_file_title = $file_info[0];
|
|
$my_file_name = $file_info[1];
|
|
|
|
// Show the "image name" not the filename of the image.
|
|
if ($lp_id) {
|
|
//LP URL
|
|
$lp_id = $this->lp_id;
|
|
$url = api_get_self() . '?cidReq=' . Security::remove_XSS($_GET['cidReq']) . '&action=add_item&type=' . TOOL_DOCUMENT . '&file=' . $key . '&lp_id=' .$lp_id;
|
|
} else {
|
|
//Direct document URL
|
|
$url = $web_code_path.'document/document.php?cidReq='.$course_info['code'].'&id_session='.$session_id.'&id='.$key;
|
|
}
|
|
$img = $img_path.$icon;
|
|
if (!file_exists($img_sys_path.$icon)) {
|
|
$img = $img_path.'icons/16/default_small.gif';
|
|
}
|
|
|
|
$link = Display::url('<img alt="" src="'.$img.'" title="" /> ' . $my_file_title, $url, array('target' => $target));
|
|
|
|
$return .= '<div class="doc_resource"><div style="margin-left:' . (($num +1) * 18) . 'px;margin-right:5px;">';
|
|
$return .= $link;
|
|
$return .= '</div></div>';
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
}
|
|
//end class DocumentManager
|