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3811 lines
163 KiB
3811 lines
163 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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class DocumentManager
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{
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private function __construct()
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{
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}
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/**
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* @param string
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* @return the document folder quota for the current course, in bytes, or the default quota
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*/
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public static function get_course_quota($course_code = null)
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{
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if (empty($course_code)) {
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$course_info = api_get_course_info();
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} else {
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$course_info = api_get_course_info($course_code);
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}
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$course_quota = null;
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if (empty($course_info)) {
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return DEFAULT_DOCUMENT_QUOTA;
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} else {
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$course_quota = $course_info['disk_quota'];
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}
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if (is_null($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 $filename or boolean TRUE to return complete array
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* @author ? first version
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* @author Bert Vanderkimpen
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* @return string
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*
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*/
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public static function file_get_mime_type($filename)
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{
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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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'dwf' => 'application/vnd.dwf',
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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' => 'audio/x-ms-wma',
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'wmv' => 'video/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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* @param string
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* @param string
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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, $doc_url)
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{
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$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($doc_url);
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$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 = '$doc_url'";
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$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, $name = '')
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{
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if (!is_file($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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// Fixing error when file name contains a ","
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$filename = str_replace(',', '', $filename);
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if ($forced) {
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// Force the browser to save the file instead of opening it
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global $_configuration;
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if (isset($_configuration['enable_x_sendfile_headers']) && !empty($_configuration['enable_x_sendfile_headers'])) {
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header("X-Sendfile: $filename");
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}
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header('Content-type: application/octet-stream');
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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: ' . $filename);
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header('Content-transfer-encoding: binary');
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$res = fopen($full_file_name, 'r');
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fpassthru($res);
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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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case 'application/vnd.dwg':
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case 'application/vnd.dwf':
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header('Content-type: application/octet-stream');
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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, $name = '')
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{
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$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: ' . $filename);
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header('Content-transfer-encoding: binary');
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//$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($filename);
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header('Expires: Wed, 01 Jan 1990 00:00:00 GMT');
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header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
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header('Cache-Control: no-cache, must-revalidate');
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header('Pragma: no-cache');
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switch ($content_type) {
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case 'text/html':
|
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$encoding = @api_detect_encoding_html($full_string);
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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($full_string));
|
|
if (!empty($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
|
|
* @param boolean $search
|
|
* @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);
|
|
$TABLE_DOCUMENT = Database::get_course_table(TABLE_DOCUMENT);
|
|
|
|
if (!is_null($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);
|
|
|
|
$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') )";
|
|
|
|
// Condition for search (get ALL folders and documents)
|
|
|
|
$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
|
|
INNER JOIN $TABLE_DOCUMENT AS docs
|
|
ON (
|
|
docs.id = last.ref AND last.tool = '".TOOL_DOCUMENT."' AND
|
|
docs.c_id = {$_course['real_id']} AND
|
|
last.c_id = {$_course['real_id']}
|
|
)
|
|
WHERE
|
|
docs.path LIKE '" . $path . $added_slash . "%' AND
|
|
docs.path NOT LIKE '" . $path . $added_slash . "%/%' 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 = "SELECT id FROM $table_template
|
|
WHERE
|
|
course_code = '" . $_course['code'] . "' AND
|
|
user_id = '".api_get_user_id()."' AND
|
|
ref_doc = '".$row['id']."'";
|
|
$template_result = Database::query($sql);
|
|
$row['is_template'] = (Database::num_rows($template_result) > 0) ? 1 : 0;
|
|
}
|
|
// Just filling $document_data.
|
|
$document_data[$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 = $temp = array();
|
|
|
|
// Selecting repeated ids
|
|
foreach ($doc_list as $row) {
|
|
if (in_array($row['id'], array_keys($temp))) {
|
|
$my_repeat_ids[] = $row['id'];
|
|
}
|
|
$temp[$row['id']] = $row;
|
|
}
|
|
|
|
//@todo use the DocumentManager::is_visible function
|
|
// Checking disponibility in a session
|
|
foreach ($my_repeat_ids as $id) {
|
|
foreach ($doc_list as $row) {
|
|
if ($id == $row['id']) {
|
|
if ($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;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
foreach ($doc_list as $key => $row) {
|
|
if (in_array($row['visibility'], array('0', '2')) && !in_array($row['id'], $my_repeat_ids)) {
|
|
$ids_to_remove[] = $row['id'];
|
|
unset($doc_list[$key]);
|
|
}
|
|
}
|
|
|
|
foreach ($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']]);
|
|
}
|
|
}
|
|
|
|
// Checking parents visibility
|
|
$final_document_data = array();
|
|
foreach ($document_data as $row) {
|
|
$is_visible = DocumentManager::check_visibility_tree(
|
|
$row['id'],
|
|
$_course['code'],
|
|
$current_session_id,
|
|
api_get_user_id(),
|
|
$to_group_id
|
|
);
|
|
if ($is_visible) {
|
|
$final_document_data[$row['id']] = $row;
|
|
}
|
|
}
|
|
} else {
|
|
$final_document_data = $document_data;
|
|
}
|
|
|
|
return $final_document_data;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets the paths of all folders in a course
|
|
* can show all folders (except for the deleted ones) or only visible ones
|
|
* @param array $_course
|
|
* @param int $to_group_id
|
|
* @param boolean $can_see_invisible
|
|
* @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);
|
|
$TABLE_DOCUMENT = Database::get_course_table(TABLE_DOCUMENT);
|
|
|
|
$to_group_id = intval($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);
|
|
$show_users_condition = "";
|
|
if (api_get_setting('show_users_folders') == 'false') {
|
|
$show_users_condition = "AND docs.path NOT LIKE '%shared_folder%'";
|
|
}
|
|
if ($to_group_id <> 0) {
|
|
$sql = "SELECT DISTINCT docs.id, path
|
|
FROM $TABLE_ITEMPROPERTY AS last INNER JOIN $TABLE_DOCUMENT AS docs
|
|
ON (
|
|
docs.id = last.ref AND
|
|
last.tool = '" . TOOL_DOCUMENT . "' AND
|
|
last.c_id = {$_course['real_id']} AND
|
|
docs.c_id = {$_course['real_id']}
|
|
)
|
|
WHERE
|
|
docs.filetype = 'folder' AND
|
|
last.to_group_id = " . $to_group_id . " AND
|
|
docs.path NOT LIKE '%shared_folder%' AND
|
|
last.visibility <> 2 $condition_session ";
|
|
} else {
|
|
$sql = "SELECT DISTINCT docs.id, path
|
|
FROM $TABLE_ITEMPROPERTY AS last INNER JOIN $TABLE_DOCUMENT AS docs
|
|
ON (
|
|
docs.id = last.ref AND
|
|
last.tool = '" . TOOL_DOCUMENT . "' AND
|
|
last.c_id = {$_course['real_id']} AND
|
|
docs.c_id = {$_course['real_id']}
|
|
)
|
|
WHERE
|
|
docs.filetype = 'folder' AND
|
|
last.to_group_id = 0 AND
|
|
last.visibility <> 2
|
|
$show_users_condition $condition_session ";
|
|
}
|
|
|
|
$result = Database::query($sql);
|
|
|
|
if ($result && Database::num_rows($result) != 0) {
|
|
while ($row = Database::fetch_array($result, 'ASSOC')) {
|
|
if (DocumentManager::is_folder_to_avoid($row['path'])) {
|
|
continue;
|
|
}
|
|
$document_folders[$row['id']] = $row['path'];
|
|
}
|
|
|
|
if (!empty($document_folders)) {
|
|
natsort($document_folders);
|
|
}
|
|
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 docs.id, 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 $condition_session AND
|
|
last.c_id = {$_course['real_id']} AND
|
|
docs.c_id = {$_course['real_id']} ";
|
|
$visibleresult = Database::query($visible_sql);
|
|
while ($all_visible_folders = Database::fetch_array($visibleresult, 'ASSOC')) {
|
|
$visiblefolders[$all_visible_folders['id']] = $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
|
|
$sql = "SELECT DISTINCT docs.id, 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 $condition_session AND
|
|
last.c_id = {$_course['real_id']} AND
|
|
docs.c_id = {$_course['real_id']} ";
|
|
$invisibleresult = Database::query($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
|
|
$sql = "SELECT DISTINCT docs.id, 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 $condition_session AND
|
|
last.c_id = {$_course['real_id']} AND
|
|
docs.c_id = {$_course['real_id']} ";
|
|
$folder_in_invisible_result = Database::query($sql);
|
|
while ($folders_in_invisible_folder = Database::fetch_array($folder_in_invisible_result, 'ASSOC')) {
|
|
$invisiblefolders[$folders_in_invisible_folder['id']] = $folders_in_invisible_folder['path'];
|
|
}
|
|
}
|
|
|
|
//if both results are arrays -> //calculate the difference between the 2 arrays -> only visible folders are left :)
|
|
if (is_array($visiblefolders) && is_array($invisiblefolders)) {
|
|
$document_folders = array_diff($visiblefolders, $invisiblefolders);
|
|
natsort($document_folders);
|
|
return $document_folders;
|
|
} elseif (is_array($visiblefolders)) {
|
|
//only visible folders found
|
|
//sort($visiblefolders);
|
|
natsort($visiblefolders);
|
|
return $visiblefolders;
|
|
} else {
|
|
//no visible folders found
|
|
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 (if not defined, $documentId must be used)
|
|
* @param int $document_id in case you dont have the file path ,insert the id of the file here and leave $file in blank ''
|
|
* @param bool $to_delete
|
|
* @param int $sessionId
|
|
* @return boolean true/false
|
|
* */
|
|
public static function check_readonly(
|
|
$_course,
|
|
$user_id,
|
|
$file = null,
|
|
$document_id = '',
|
|
$to_delete = false,
|
|
$sessionId = null,
|
|
$documentId = null
|
|
) {
|
|
|
|
if (empty($sessionId)) {
|
|
$sessionId = api_get_session_id();
|
|
} else {
|
|
$sessionId = intval($sessionId);
|
|
}
|
|
|
|
if (empty($document_id) || !is_numeric($document_id)) {
|
|
$document_id = self::get_document_id($_course, $file, $sessionId);
|
|
} else {
|
|
$document_id = intval($document_id);
|
|
}
|
|
|
|
$TABLE_PROPERTY = Database::get_course_table(TABLE_ITEM_PROPERTY);
|
|
$TABLE_DOCUMENT = Database::get_course_table(TABLE_DOCUMENT);
|
|
$course_id = $_course['real_id'];
|
|
|
|
if ($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 td.c_id = $course_id AND
|
|
tp.c_id = $course_id AND
|
|
td.session_id = $sessionId AND
|
|
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.c_id = $course_id AND
|
|
b.c_id = $course_id AND
|
|
a.ref = b.id and a.ref = $document_id LIMIT 1";
|
|
$result = Database::query($sql);
|
|
$doc_details = Database ::fetch_array($result, '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_id = $_course['real_id'];
|
|
$document_id = Database::escape_string($document_id);
|
|
$sql = "SELECT filetype FROM $TABLE_DOCUMENT WHERE c_id = $course_id AND id= $document_id";
|
|
$result = Database::fetch_array(Database::query($sql), 'ASSOC');
|
|
return $result['filetype'] == 'folder';
|
|
}
|
|
|
|
/**
|
|
* @param int $document_id
|
|
* @param array $course_info
|
|
* @param int $session_id
|
|
* @param bool $remove_content_from_db
|
|
*/
|
|
public static function deleteDocumentFromDb(
|
|
$document_id,
|
|
$course_info = array(),
|
|
$session_id = 0,
|
|
$remove_content_from_db = false
|
|
) {
|
|
$TABLE_DOCUMENT = Database::get_course_table(TABLE_DOCUMENT);
|
|
$TABLE_ITEMPROPERTY = Database :: get_course_table(TABLE_ITEM_PROPERTY);
|
|
|
|
// Deleting from the DB
|
|
$user_id = api_get_user_id();
|
|
$document_id = intval($document_id);
|
|
|
|
if (empty($course_info)) {
|
|
$course_info = api_get_course_info();
|
|
}
|
|
|
|
if (empty($session_id)) {
|
|
$session_id = api_get_session_id();
|
|
}
|
|
|
|
// Soft DB delete
|
|
api_item_property_update(
|
|
$course_info,
|
|
TOOL_DOCUMENT,
|
|
$document_id,
|
|
'delete',
|
|
$user_id,
|
|
null,
|
|
null,
|
|
null,
|
|
null,
|
|
$session_id
|
|
);
|
|
self::delete_document_from_search_engine($course_info['code'], $document_id);
|
|
self::unset_document_as_template($document_id, $course_info['code'], $user_id);
|
|
|
|
//Hard DB delete
|
|
if ($remove_content_from_db) {
|
|
$sql = "DELETE FROM $TABLE_ITEMPROPERTY
|
|
WHERE
|
|
c_id = {$course_info['real_id']} AND
|
|
ref = ".$document_id." AND
|
|
tool='".TOOL_DOCUMENT."'";
|
|
Database::query($sql);
|
|
|
|
$sql = "DELETE FROM $TABLE_DOCUMENT
|
|
WHERE c_id = {$course_info['real_id']} AND id = ".$document_id;
|
|
Database::query($sql);
|
|
self::delete_document_metadata($document_id);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param int $document_id
|
|
*/
|
|
public static function delete_document_metadata($document_id)
|
|
{
|
|
//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 metadata
|
|
$eid = 'Document' . '.' . $document_id;
|
|
$mdStore->mds_delete($eid);
|
|
$mdStore->mds_delete_offspring($eid);
|
|
}
|
|
|
|
/**
|
|
* 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 (if not defined, $documentId must be used)
|
|
* @param int $sessionId The ID of the session, if any
|
|
* @param int $documentId The document id, if available
|
|
* @return boolean true/false
|
|
* @todo now only files/folders in a folder get visibility 2, we should rename them too.
|
|
* @todo We should be able to get rid of this later when using only documentId (check further usage)
|
|
*/
|
|
public static function delete_document(
|
|
$_course,
|
|
$path = null,
|
|
$base_work_dir,
|
|
$sessionId = null,
|
|
$documentId = null,
|
|
$groupId = null
|
|
) {
|
|
$TABLE_DOCUMENT = Database::get_course_table(TABLE_DOCUMENT);
|
|
if (empty($groupId)) {
|
|
$groupId = api_get_group_id();
|
|
} else {
|
|
$groupId = intval($groupId);
|
|
}
|
|
|
|
if (empty($sessionId)) {
|
|
$sessionId = api_get_session_id();
|
|
} else {
|
|
$sessionId = intval($sessionId);
|
|
}
|
|
|
|
$course_id = $_course['real_id'];
|
|
|
|
if (empty($course_id)) {
|
|
return false;
|
|
}
|
|
|
|
if (empty($base_work_dir)) {
|
|
return false;
|
|
}
|
|
|
|
if (empty($documentId)) {
|
|
$documentId = self::get_document_id($_course, $path, $sessionId);
|
|
$docInfo = self::get_document_data_by_id(
|
|
$documentId,
|
|
$_course['code'],
|
|
false,
|
|
$sessionId
|
|
);
|
|
$path = $docInfo['path'];
|
|
} else {
|
|
$docInfo = self::get_document_data_by_id(
|
|
$documentId,
|
|
$_course['code'],
|
|
false,
|
|
$sessionId
|
|
);
|
|
if (empty($docInfo)) {
|
|
return false;
|
|
}
|
|
$path = $docInfo['path'];
|
|
}
|
|
|
|
$documentId = intval($documentId);
|
|
|
|
if (empty($path) || empty($docInfo) || empty($documentId)) {
|
|
return false;
|
|
}
|
|
|
|
$itemInfo = api_get_item_property_info($_course['real_id'], TOOL_DOCUMENT, $documentId, 0);
|
|
|
|
if (empty($itemInfo)) {
|
|
return false;
|
|
}
|
|
|
|
// File was already deleted.
|
|
if ($itemInfo['lastedit_type'] == 'DocumentDeleted' ||
|
|
$itemInfo['lastedit_type'] == 'delete' ||
|
|
$itemInfo['visibility'] == 2
|
|
) {
|
|
return false;
|
|
}
|
|
|
|
// Filtering by group.
|
|
if ($itemInfo['to_group_id'] != $groupId) {
|
|
return false;
|
|
}
|
|
|
|
$document_exists_in_disk = file_exists($base_work_dir.$path);
|
|
$new_path = $path.'_DELETED_'.$documentId;
|
|
|
|
$file_deleted_from_db = false;
|
|
$file_deleted_from_disk = false;
|
|
$file_renamed_from_disk = false;
|
|
|
|
if ($documentId) {
|
|
// Deleting doc from the DB.
|
|
self::deleteDocumentFromDb($documentId, $_course, $sessionId);
|
|
// Checking
|
|
// $file_exists_in_db = self::get_document_data_by_id($documentId, $_course['code']);
|
|
$file_deleted_from_db = true;
|
|
}
|
|
|
|
// Looking for children.
|
|
if ($docInfo['filetype'] == 'folder') {
|
|
$cleanPath = Database::escape_string($path);
|
|
|
|
// Deleted files inside this folder.
|
|
$sql = "SELECT id FROM $TABLE_DOCUMENT
|
|
WHERE
|
|
c_id = $course_id AND
|
|
session_id = $sessionId AND
|
|
path LIKE BINARY '".$cleanPath."/%'";
|
|
|
|
// Get all id's of documents that are deleted.
|
|
$result = Database::query($sql);
|
|
|
|
if ($result && Database::num_rows($result) != 0) {
|
|
// Recursive delete.
|
|
while ($row = Database::fetch_array($result)) {
|
|
self::delete_document(
|
|
$_course,
|
|
null,
|
|
$base_work_dir,
|
|
$sessionId,
|
|
$row['id']
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($document_exists_in_disk) {
|
|
if (api_get_setting('permanently_remove_deleted_files') == 'true') {
|
|
// Delete documents, do it like this so metadata gets deleted too
|
|
my_delete($base_work_dir.$path);
|
|
// Hard delete.
|
|
self::deleteDocumentFromDb($documentId, $_course, $sessionId, true);
|
|
$file_deleted_from_disk = true;
|
|
} else {
|
|
// Set visibility to 2 and rename file/folder to xxx_DELETED_#id (soft delete)
|
|
|
|
if (is_file($base_work_dir.$path) || is_dir($base_work_dir.$path)) {
|
|
if (rename($base_work_dir.$path, $base_work_dir.$new_path)) {
|
|
$new_path = Database::escape_string($new_path);
|
|
|
|
$sql = "UPDATE $TABLE_DOCUMENT
|
|
SET path = '".$new_path."'
|
|
WHERE
|
|
c_id = $course_id AND
|
|
session_id = $sessionId AND
|
|
id = ".$documentId;
|
|
Database::query($sql);
|
|
|
|
// Soft delete.
|
|
self::deleteDocumentFromDb($documentId, $_course, $sessionId);
|
|
|
|
// Change path of sub folders and documents in database.
|
|
$old_item_path = $docInfo['path'];
|
|
$new_item_path = $new_path.substr($old_item_path, strlen($path));
|
|
$new_item_path = Database::escape_string($new_item_path);
|
|
|
|
$sql = "UPDATE $TABLE_DOCUMENT
|
|
SET path = '".$new_item_path."'
|
|
WHERE
|
|
c_id = $course_id AND
|
|
session_id = $sessionId AND
|
|
id = ".$documentId;
|
|
Database::query($sql);
|
|
|
|
$file_renamed_from_disk = true;
|
|
} else {
|
|
// Couldn't rename - file permissions problem?
|
|
error_log(
|
|
__FILE__.' '.__LINE__.': Error renaming '.$base_work_dir.$path.' to '.$base_work_dir.$new_path.'. This is probably due to file permissions',
|
|
0
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Checking inconsistency
|
|
//error_log('Doc status: (1 del db :'.($file_deleted_from_db?'yes':'no').') - (2 del disk: '.($file_deleted_from_disk?'yes':'no').') - (3 ren disk: '.($file_renamed_from_disk?'yes':'no').')');
|
|
if ($file_deleted_from_db && $file_deleted_from_disk ||
|
|
$file_deleted_from_db && $file_renamed_from_disk
|
|
) {
|
|
return true;
|
|
} else {
|
|
//Something went wrong
|
|
//The file or directory isn't there anymore (on the filesystem)
|
|
// This means it has been removed externally. To prevent a
|
|
// blocking error from happening, we drop the related items from the
|
|
// item_property and the document table.
|
|
error_log(
|
|
__FILE__.' '.__LINE__.': System inconsistency detected. The file or directory '.$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
|
|
);
|
|
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/ChamiloIndexer.class.php';
|
|
$di = new ChamiloIndexer();
|
|
$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 $courseInfo
|
|
* @param string $path
|
|
* @param int $sessionId
|
|
* @return int id of document / false if no doc found
|
|
*/
|
|
public static function get_document_id($courseInfo, $path, $sessionId = null)
|
|
{
|
|
$TABLE_DOCUMENT = Database :: get_course_table(TABLE_DOCUMENT);
|
|
$course_id = $courseInfo['real_id'];
|
|
if (!isset($sessionId)) {
|
|
$sessionId = api_get_session_id();
|
|
} else {
|
|
$sessionId = intval($sessionId);
|
|
}
|
|
$path = Database::escape_string($path);
|
|
|
|
if (!empty($course_id) && !empty($path)) {
|
|
$sql = "SELECT id FROM $TABLE_DOCUMENT
|
|
WHERE
|
|
c_id = $course_id AND
|
|
path LIKE BINARY '$path' AND
|
|
session_id = $sessionId
|
|
LIMIT 1";
|
|
$result = Database::query($sql);
|
|
if ($result && Database::num_rows($result)) {
|
|
$row = Database::fetch_array($result);
|
|
return intval($row[0]);
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Gets the document data with a given id
|
|
*
|
|
* @param int $id Document ID (id field in c_document table)
|
|
* @param string $course_code course code (c_id field in document table)
|
|
* @param bool $load_parents load parents?
|
|
* @param int $session_id The session ID, 0 if requires context *out of* session, and null to use global context
|
|
* @return array document content
|
|
*/
|
|
public static function get_document_data_by_id($id, $course_code, $load_parents = false, $session_id = null)
|
|
{
|
|
$course_info = api_get_course_info($course_code);
|
|
$course_id = $course_info['real_id'];
|
|
|
|
if (empty($course_info)) {
|
|
return false;
|
|
}
|
|
|
|
if (isset($session_id)) {
|
|
$session_id = intval($session_id);
|
|
} else {
|
|
$session_id = api_get_session_id();
|
|
}
|
|
|
|
$www = api_get_path(WEB_COURSE_PATH).$course_info['path'].'/document';
|
|
|
|
$TABLE_DOCUMENT = Database :: get_course_table(TABLE_DOCUMENT);
|
|
$id = intval($id);
|
|
$sql = "SELECT * FROM $TABLE_DOCUMENT
|
|
WHERE c_id = $course_id AND session_id = $session_id AND id = $id";
|
|
$result = Database::query($sql);
|
|
if ($result && Database::num_rows($result) == 1) {
|
|
$row = Database::fetch_array($result, 'ASSOC');
|
|
|
|
//@todo need to clarify the name of the URLs not nice right now
|
|
$url_path = urlencode($row['path']);
|
|
$path = str_replace('%2F', '/', $url_path);
|
|
|
|
$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;
|
|
$row['absolute_path'] = api_get_path(SYS_COURSE_PATH) . $course_info['path'] . '/document' . $row['path'];
|
|
$row['absolute_path_from_document'] = '/document' . $row['path'];
|
|
|
|
$pathinfo = pathinfo($row['path']);
|
|
$row['absolute_parent_path'] = api_get_path(SYS_COURSE_PATH).$course_info['path'].'/document'.$pathinfo['dirname'] . '/';
|
|
$row['direct_url'] = $www . $path;
|
|
|
|
if (dirname($row['path']) == '.') {
|
|
$row['parent_id'] = '0';
|
|
} else {
|
|
$row['parent_id'] = self::get_document_id($course_info, dirname($row['path']), $session_id);
|
|
}
|
|
$parents = array();
|
|
|
|
//Use to generate parents (needed for the breadcrumb)
|
|
//@todo sorry but this for is here because there's not a parent_id in the document table so we parsed the path!!
|
|
|
|
if ($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; $i++) {
|
|
//$sub_visibility = true;
|
|
$real_dir .= '/' . $dir_array[$i];
|
|
$parent_id = self::get_document_id($course_info, $real_dir);
|
|
if ($session_id != 0 && empty($parent_id)) {
|
|
$parent_id = self::get_document_id($course_info, $real_dir, 0);
|
|
}
|
|
if (!empty($parent_id)) {
|
|
$sub_document_data = self::get_document_data_by_id($parent_id, $course_code, false, $session_id);
|
|
if ($session_id != 0 and !$sub_document_data) {
|
|
$sub_document_data = self::get_document_data_by_id($parent_id, $course_code, false, 0);
|
|
}
|
|
//@todo add visibility here
|
|
$parents[] = $sub_document_data;
|
|
}
|
|
}
|
|
}
|
|
$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 $course_code
|
|
* @param int $user_id
|
|
*/
|
|
public static function set_document_as_template($title, $description, $document_id_for_template, $course_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($description) . "',
|
|
'" . Database::escape_string($course_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 $course the _course array info of the document's course
|
|
* @param int
|
|
* @param string
|
|
*/
|
|
public static function is_visible($doc_path, $course, $session_id = 0, $file_type = 'file')
|
|
{
|
|
$docTable = Database::get_course_table(TABLE_DOCUMENT);
|
|
$propTable = Database::get_course_table(TABLE_ITEM_PROPERTY);
|
|
|
|
$course_id = $course['real_id'];
|
|
//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, a new html files are generated in the hotpotatoes folder
|
|
to display the test.
|
|
The genuine html file is copied to math4.htm(user_id).t.html
|
|
Images files are not copied, and keep same name.
|
|
To check the html file visibility, we don't have to check file math4.htm(user_id).t.html but file math4.htm
|
|
In this case, we have to remove (user_id).t.html to check the visibility of the file
|
|
For images, we just check the path of the image file.
|
|
|
|
Exemple of hotpotatoes folder :
|
|
A.jpg
|
|
maths4-consigne.jpg
|
|
maths4.htm
|
|
maths4.htm1.t.html
|
|
maths4.htm52.t.html
|
|
maths4.htm654.t.html
|
|
omega.jpg
|
|
theta.jpg
|
|
*/
|
|
if (strpos($doc_path, 'HotPotatoes_files') && preg_match("/\.t\.html$/", $doc_path)) {
|
|
$doc_path = substr($doc_path, 0, strlen($doc_path) - 7 - strlen(api_get_user_id()));
|
|
}
|
|
|
|
if (!in_array($file_type, array('file', 'folder'))) {
|
|
$file_type = 'file';
|
|
}
|
|
|
|
$sql = "SELECT visibility FROM $docTable d INNER JOIN $propTable ip
|
|
ON (d.id = ip.ref AND d.c_id = $course_id AND ip.c_id = $course_id)
|
|
WHERE 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 $is_visible;
|
|
}
|
|
|
|
/**
|
|
* Return true if user can see a file
|
|
*
|
|
* @param int document id
|
|
* @param array course info
|
|
* @param int
|
|
* @param int
|
|
* @param bool
|
|
* @return bool
|
|
*/
|
|
public static function is_visible_by_id($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']) || api_is_platform_admin()) {
|
|
$user_in_course = true;
|
|
}
|
|
// Check if course is open then we can consider that the student is registered to the course
|
|
if (isset($course_info) && in_array($course_info['visibility'], array(COURSE_VISIBILITY_OPEN_PLATFORM, COURSE_VISIBILITY_OPEN_WORLD))) {
|
|
$user_in_course = true;
|
|
}
|
|
} else {
|
|
$user_status = SessionManager::get_user_status_in_course_session($user_id, $course_info['code'], $session_id);
|
|
if (in_array($user_status, array('0', '2', '6'))) {
|
|
//is true if is an student, course session teacher or 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 ($item_info_in_session['visibility'] == 1) {
|
|
return true;
|
|
}
|
|
} else {
|
|
if ($item_info['visibility'] == 1) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
} elseif ($admins_can_see_everything && api_is_platform_admin()) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Allow attach a certificate to a course
|
|
* @param string The course id
|
|
* @param int The document id
|
|
* @return void()
|
|
*/
|
|
function attach_gradebook_certificate($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) . '" ' . $sql_session;
|
|
Database::query($sql);
|
|
}
|
|
|
|
/**
|
|
* get the document id of default certificate
|
|
* @param string The course id
|
|
* @return int The default certificate id
|
|
*/
|
|
static 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);
|
|
$num = Database::num_rows($rs);
|
|
if ($num == 0) {
|
|
return null;
|
|
}
|
|
$row = Database::fetch_array($rs);
|
|
return $row['document_id'];
|
|
}
|
|
|
|
/**
|
|
* allow replace user info in file html
|
|
* @param string The course code
|
|
* @return string The html content of the certificate
|
|
*/
|
|
static function replace_user_info_into_html($user_id, $course_code, $is_preview = false)
|
|
{
|
|
$user_id = intval($user_id);
|
|
$course_info = api_get_course_info($course_code);
|
|
$tbl_document = Database::get_course_table(TABLE_DOCUMENT);
|
|
$course_id = $course_info['real_id'];
|
|
$document_id = self::get_default_certificate_id($course_code);
|
|
|
|
if ($document_id) {
|
|
$sql = "SELECT path FROM $tbl_document WHERE c_id = $course_id AND id = $document_id";
|
|
$rs = Database::query($sql);
|
|
$new_content = '';
|
|
$all_user_info = array();
|
|
if (Database::num_rows($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, $course_code, $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 array('content' => $new_content, 'variables' => $all_user_info);
|
|
}
|
|
return array();
|
|
}
|
|
|
|
/**
|
|
* return all content to replace and all content to be replace
|
|
*/
|
|
static function get_all_info_to_certificate($user_id, $course_id, $is_preview = false)
|
|
{
|
|
$info_list = array();
|
|
$user_id = intval($user_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);
|
|
$date_no_time = api_convert_and_format_date($date_certificate, DATE_FORMAT_LONG_NO_DAY);
|
|
}
|
|
|
|
if ($is_preview) {
|
|
$date_long_certificate = api_convert_and_format_date(api_get_utc_datetime());
|
|
$date_no_time = api_convert_and_format_date(api_get_utc_datetime(), DATE_FORMAT_LONG_NO_DAY);
|
|
}
|
|
|
|
$url = api_get_path(WEB_PATH) . 'certificates/index.php?id=' . $info_grade_certificate['id'];
|
|
|
|
|
|
//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,
|
|
$date_no_time,
|
|
$course_id,
|
|
$course_info['name'],
|
|
$info_grade_certificate['grade'],
|
|
$url,
|
|
'<a href="' . $url . '" target="_blank">' . get_lang('CertificateOnlineLink') . '</a>',
|
|
'((certificate_barcode))',
|
|
);
|
|
|
|
$info_to_be_replaced_in_content_html = array('((user_firstname))',
|
|
'((user_lastname))',
|
|
'((gradebook_institution))',
|
|
'((gradebook_sitename))',
|
|
'((teacher_firstname))',
|
|
'((teacher_lastname))',
|
|
'((official_code))',
|
|
'((date_certificate))',
|
|
'((date_certificate_no_time))',
|
|
'((course_code))',
|
|
'((course_title))',
|
|
'((gradebook_grade))',
|
|
'((certificate_link))',
|
|
'((certificate_link_html))',
|
|
'((certificate_barcode))',
|
|
);
|
|
|
|
if (!empty($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 $info_list;
|
|
}
|
|
|
|
/**
|
|
* Remove default certificate
|
|
* @param string The course code
|
|
* @param int The document id of the default certificate
|
|
* @return void()
|
|
*/
|
|
public static function remove_attach_certificate($course_id, $default_certificate_id)
|
|
{
|
|
if (empty($default_certificate_id)) {
|
|
return false;
|
|
}
|
|
|
|
$default_certificate = self::get_default_certificate_id($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 . '" ' . $sql_session;
|
|
Database::query($sql);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Create directory certificate
|
|
* @param string The course code
|
|
* @return void()
|
|
*/
|
|
public static 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);
|
|
$update_id = self::get_document_id_of_directory_certificate();
|
|
api_item_property_update($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
|
|
*/
|
|
public static function get_document_id_of_directory_certificate()
|
|
{
|
|
$tbl_document = Database::get_course_table(TABLE_DOCUMENT);
|
|
$course_id = api_get_course_int_id();
|
|
$sql = "SELECT id FROM $tbl_document WHERE c_id = $course_id AND path='/certificates' ";
|
|
$rs = Database::query($sql);
|
|
$row = Database::fetch_array($rs);
|
|
return $row['id'];
|
|
}
|
|
|
|
/**
|
|
* Check if a directory given is for certificate
|
|
* @param string path of directory
|
|
* @return bool true if is a certificate or false otherwise
|
|
*/
|
|
public static function is_certificate_mode($dir)
|
|
{
|
|
// I'm in the certification module?
|
|
$is_certificate_mode = false;
|
|
$is_certificate_array = explode('/', $dir);
|
|
array_shift($is_certificate_array);
|
|
if (isset($is_certificate_array[0]) && $is_certificate_array[0] == 'certificates') {
|
|
$is_certificate_mode = true;
|
|
}
|
|
return $is_certificate_mode;
|
|
}
|
|
|
|
/**
|
|
* Gets the list of included resources as a list of absolute or relative paths from a html file or string html
|
|
* This allows for a better SCORM export or replace urls inside content html from copy course
|
|
* The list will generally include pictures, flash objects, java applets, or any other
|
|
* stuff included in the source of the current item. The current item is expected
|
|
* to be an HTML file or string html. If it is not, then the function will return and empty list.
|
|
* @param string source html (content or path)
|
|
* @param bool is file or string html
|
|
* @param string type (one of the app tools) - optional (otherwise takes the current item's type)
|
|
* @param int level of recursivity we're in
|
|
* @return array List of file paths. An additional field containing 'local' or 'remote' helps determine
|
|
* if the file should be copied into the zip or just linked
|
|
*/
|
|
public static function get_resources_from_source_html($source_html, $is_file = false, $type = null, $recursivity = 1)
|
|
{
|
|
$max = 5;
|
|
$attributes = array();
|
|
$wanted_attributes = array('src', 'url', '@import', 'href', 'value', 'flashvars');
|
|
$explode_attributes = array('flashvars' => 'file');
|
|
$abs_path = '';
|
|
|
|
if ($recursivity > $max) {
|
|
return array();
|
|
}
|
|
|
|
if (!isset($type)) {
|
|
$type = TOOL_DOCUMENT;
|
|
}
|
|
|
|
if (!$is_file) {
|
|
$attributes = self::parse_HTML_attributes($source_html, $wanted_attributes, $explode_attributes);
|
|
} else {
|
|
if (is_file($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
|
|
$attributes = self::parse_HTML_attributes($file_content, $wanted_attributes, $explode_attributes);
|
|
break;
|
|
default :
|
|
break;
|
|
}
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
$files_list = array();
|
|
|
|
switch ($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');
|
|
}
|
|
/* skipping anything else to avoid two entries
|
|
(while the others can have sub-files in their url, flv's can't)*/
|
|
continue;
|
|
}
|
|
}
|
|
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');
|
|
$in_files_list[] = self::get_resources_from_source_html($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');
|
|
$in_files_list[] = self::get_resources_from_source_html($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);
|
|
$in_files_list[] = self::get_resources_from_source_html($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);
|
|
$in_files_list[] = self::get_resources_from_source_html($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');
|
|
$in_files_list[] = self::get_resources_from_source_html($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');
|
|
$in_files_list[] = self::get_resources_from_source_html($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);
|
|
$in_files_list[] = self::get_resources_from_source_html($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);
|
|
$in_files_list[] = self::get_resources_from_source_html($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');
|
|
$in_files_list[] = self::get_resources_from_source_html($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');
|
|
$in_files_list[] = self::get_resources_from_source_html($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);
|
|
$in_files_list[] = self::get_resources_from_source_html($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);
|
|
$in_files_list[] = self::get_resources_from_source_html($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 $checked_array_list;
|
|
}
|
|
|
|
/**
|
|
* Parses the HTML attributes given as string.
|
|
*
|
|
* @param string HTML attribute string
|
|
* @param array List of attributes that we want to get back
|
|
* @param array
|
|
* @return array An associative array of attributes
|
|
* @author Based on a function from the HTML_Common2 PEAR module *
|
|
*/
|
|
public static function parse_HTML_attributes($attrString, $wanted = array(), $explode_variables = 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') {
|
|
$value = 'API.LMSGetValue(name)';
|
|
}
|
|
//Gets the xx.flv value from the string flashvars="width=320&height=240&autostart=false&file=xxx.flv&repeat=false"
|
|
if (isset($explode_variables[$name])) {
|
|
$value_modified = str_replace('&', '&', $value);
|
|
$value_array = explode('&', $value_modified);
|
|
foreach ($value_array as $item) {
|
|
list($key, $item_value) = explode('=', $item);
|
|
if ($key == $explode_variables[$name]) {
|
|
$attributes[strtolower($name)][] = $item_value;
|
|
}
|
|
}
|
|
}
|
|
$attributes[strtolower($name)][] = $value;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
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
|
|
* @param string
|
|
* @return string new content html with replaced urls or return false if content is not a string
|
|
*/
|
|
static function replace_urls_inside_content_html_from_copy_course(
|
|
$content_html,
|
|
$origin_course_code,
|
|
$destination_course_directory,
|
|
$origin_course_path_from_zip = null,
|
|
$origin_course_info_path = null
|
|
) {
|
|
require_once api_get_path(LIBRARY_PATH) . 'fileUpload.lib.php';
|
|
|
|
if (empty($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);
|
|
//Course does not exist in the current DB probably this cames from a zip file?
|
|
if (empty($orig_course_info)) {
|
|
if (!empty($origin_course_path_from_zip)) {
|
|
$orig_course_path = $origin_course_path_from_zip.'/';
|
|
$orig_course_info_path = $origin_course_info_path;
|
|
}
|
|
} else {
|
|
$orig_course_path = api_get_path(SYS_PATH).'courses/'.$orig_course_info['path'] . '/';
|
|
$orig_course_info_path = $orig_course_info['path'];
|
|
}
|
|
|
|
$destination_course_code = CourseManager::get_course_id_from_path($destination_course_directory);
|
|
$destination_course_info = api_get_course_info($destination_course_code);
|
|
$dest_course_path = api_get_path(SYS_COURSE_PATH) . $destination_course_directory . '/';
|
|
|
|
$user_id = api_get_user_id();
|
|
|
|
if (!empty($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) {
|
|
$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();
|
|
$result = @mkdir($filepath_dir, $perm, true);
|
|
if ($result) {
|
|
$filepath_to_add = str_replace(array($dest_course_path, 'document'), '', $filepath_dir);
|
|
|
|
//Add to item properties to the new folder
|
|
$doc_id = add_document($destination_course_info, $filepath_to_add, 'folder', 0, basename($filepath_to_add));
|
|
api_item_property_update($destination_course_info, TOOL_DOCUMENT, $doc_id, 'FolderCreated', $user_id, null, null, null, null);
|
|
}
|
|
}
|
|
|
|
if (!file_exists($destination_filepath)) {
|
|
$result = @copy($origin_filepath, $destination_filepath);
|
|
if ($result) {
|
|
$filepath_to_add = str_replace(array($dest_course_path, 'document'), '', $destination_filepath);
|
|
$size = filesize($destination_filepath);
|
|
|
|
//Add to item properties to the file
|
|
$doc_id = add_document($destination_course_info, $filepath_to_add, 'file', $size, basename($filepath_to_add));
|
|
api_item_property_update($destination_course_info, TOOL_DOCUMENT, $doc_id, 'FolderCreated', $user_id, null, null, null, null);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Replace origin course path by destination course path
|
|
if (strpos($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;
|
|
}
|
|
$original_count = count(explode('/', $original));
|
|
$destination_count = count(explode('/', $destination));
|
|
if ($original_count == $destination_count) {
|
|
//Nothing to change
|
|
return true;
|
|
}
|
|
if ($original_count > $destination_count) {
|
|
$mode = 'outside';
|
|
} else {
|
|
$mode = 'inside';
|
|
}
|
|
//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');
|
|
$pre_original = substr($pre_original, 8, strlen($pre_original));
|
|
$pre_destin = substr($pre_destin, 8, strlen($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 . '/';
|
|
}
|
|
|
|
$levels = explode('/', $pre_original);
|
|
$count_pre_destination_levels = 0;
|
|
foreach ($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 .='..\/';
|
|
}
|
|
|
|
$orig_source_html = DocumentManager::get_resources_from_source_html($content_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;
|
|
}
|
|
$content_html = str_replace($real_orig_url, $destination_url, $content_html);
|
|
}
|
|
} else {
|
|
echo 'continue3';
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
$return = file_put_contents($destination, $content_html);
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* @param int $document_id
|
|
* @param string $course_code
|
|
*/
|
|
public static function export_to_pdf($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 $files the $_FILES variable
|
|
* @param string $path
|
|
* @param string $title
|
|
* @param string $comment
|
|
* @param int $unzip unzip or not the file
|
|
* @param string $if_exists overwrite, rename or warn (default)
|
|
* @param bool $index_document index document (search xapian module)
|
|
* @param bool $show_output print html messages
|
|
* @return array|bool
|
|
*/
|
|
public static function upload_document(
|
|
$files,
|
|
$path,
|
|
$title = null,
|
|
$comment = null,
|
|
$unzip = 0,
|
|
$if_exists = null,
|
|
$index_document = false,
|
|
$show_output = false
|
|
) {
|
|
require_once api_get_path(LIBRARY_PATH) . 'fileUpload.lib.php';
|
|
|
|
$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,
|
|
$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)) {
|
|
$params['title'] = get_document_title($title);
|
|
} else {
|
|
if ($if_exists == 'rename') {
|
|
$new_path = basename($new_path);
|
|
$params['title'] = get_document_title($new_path);
|
|
} else {
|
|
$params['title'] = get_document_title($files['file']['name']);
|
|
}
|
|
}
|
|
|
|
if (!empty($comment)) {
|
|
$params['comment'] = trim($comment);
|
|
}
|
|
Database::update($table_document, $params, array('id = ? AND c_id = ? ' => array($docid, $course_info['real_id'])));
|
|
}
|
|
|
|
// Showing message when sending zip files
|
|
if ($new_path === true && $unzip == 1 && $show_output) {
|
|
Display::display_confirmation_message(get_lang('UplUploadSucceeded') . '<br />', false);
|
|
}
|
|
|
|
if ($index_document) {
|
|
self::index_document($docid, $course_info['code'], null, $_POST['language'], $_REQUEST, $if_exists);
|
|
}
|
|
if (!empty($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 ChamiloIndexer 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 $to_group_id (to calculate group document space)
|
|
* @return int total size
|
|
*/
|
|
static function documents_total_space($course_id = null, $group_id = null, $session_id = null)
|
|
{
|
|
$TABLE_ITEMPROPERTY = Database::get_course_table(TABLE_ITEM_PROPERTY);
|
|
$TABLE_DOCUMENT = Database::get_course_table(TABLE_DOCUMENT);
|
|
|
|
if (isset($course_id)) {
|
|
$course_id = intval($course_id);
|
|
} else {
|
|
$course_id = api_get_course_int_id();
|
|
}
|
|
|
|
$group_condition = null;
|
|
|
|
if (isset($group_id)) {
|
|
$group_id = intval($group_id);
|
|
$group_condition = " AND props.to_group_id='" . $group_id . "' ";
|
|
}
|
|
|
|
$session_condition = null;
|
|
|
|
if (isset($session_id)) {
|
|
$session_id = intval($session_id);
|
|
$session_condition = " AND props.id_session='" . $session_id . "' ";
|
|
}
|
|
|
|
$sql = "SELECT SUM(size) FROM " . $TABLE_ITEMPROPERTY . " AS props, " . $TABLE_DOCUMENT . " AS docs
|
|
WHERE props.c_id = $course_id AND
|
|
docs.c_id = $course_id AND
|
|
docs.id = props.ref AND
|
|
props.tool = '" . TOOL_DOCUMENT . "' AND
|
|
props.visibility <> 2
|
|
$group_condition
|
|
$session_condition
|
|
";
|
|
$result = Database::query($sql);
|
|
|
|
if ($result && Database::num_rows($result) != 0) {
|
|
$row = Database::fetch_row($result);
|
|
return $row[0];
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Here we count 1 Kilobyte = 1024 Bytes, 1 Megabyte = 1048576 Bytes
|
|
*/
|
|
static function display_quota($course_quota, $already_consumed_space)
|
|
{
|
|
$course_quota_m = round($course_quota / 1048576);
|
|
$already_consumed_space_m = round($already_consumed_space / 1048576);
|
|
|
|
$message = get_lang('MaximumAllowedQuota') . ' <strong>' . $course_quota_m . ' megabyte</strong>.<br />';
|
|
$message .= get_lang('CourseCurrentlyUses') . ' <strong>' . $already_consumed_space_m . ' megabyte</strong>.<br />';
|
|
|
|
$percentage = round(($already_consumed_space / $course_quota * 100), 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 $message;
|
|
}
|
|
|
|
/**
|
|
* Display the document quota in a simple way
|
|
*
|
|
* Here we count 1 Kilobyte = 1024 Bytes, 1 Megabyte = 1048576 Bytes
|
|
*/
|
|
static function display_simple_quota($course_quota, $already_consumed_space)
|
|
{
|
|
$course_quota_m = round($course_quota / 1048576);
|
|
$already_consumed_space_m = round($already_consumed_space / 1048576, 2);
|
|
$percentage = $already_consumed_space / $course_quota * 100;
|
|
$percentage = round($percentage, 1);
|
|
$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 int max_dir_space maximum size
|
|
* @return boolean true if there is enough space, false otherwise
|
|
*
|
|
* @see enough_space() uses documents_total_space() function
|
|
*/
|
|
static 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) > $max_dir_space) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @param array parameters: count, url, extension
|
|
* @return string
|
|
*/
|
|
static function generate_jplayer_jquery($params = array())
|
|
{
|
|
$js_path = api_get_path(WEB_LIBRARY_PATH) . 'javascript/';
|
|
|
|
$js = ' $("#jquery_jplayer_' . $params['count'] . '").jPlayer({
|
|
ready: function() {
|
|
$(this).jPlayer("setMedia", {
|
|
' . $params['extension'] . ' : "' . $params['url'] . '"
|
|
});
|
|
},
|
|
play: function() { // To avoid both jPlayers playing together.
|
|
$(this).jPlayer("pauseOthers");
|
|
},
|
|
//errorAlerts: true,
|
|
//warningAlerts: true,
|
|
swfPath: "' . $js_path . 'jquery-jplayer",
|
|
//supplied: "m4a, oga, mp3, ogg, wav",
|
|
supplied: "' . $params['extension'] . '",
|
|
wmode: "window",
|
|
solution: "flash, html", // Do not change this setting
|
|
cssSelectorAncestor: "#jp_container_' . $params['count'] . '",
|
|
}); ' . "\n\n";
|
|
return $js;
|
|
}
|
|
|
|
/**
|
|
*
|
|
* Shows a play icon next to the document title in the document list
|
|
* @param int
|
|
* @param string
|
|
* @return string html content
|
|
*/
|
|
static function generate_media_preview($i, $type = 'simple')
|
|
{
|
|
$i = intval($i);
|
|
|
|
$extra_controls = $progress = '';
|
|
if ($type == 'advanced') {
|
|
$extra_controls = ' <li><a href="javascript:;" class="jp-stop" tabindex="1">stop</a></li>
|
|
<li><a href="#" class="jp-mute" tabindex="1">mute</a></li>
|
|
<li><a href="#" class="jp-unmute" tabindex="1">unmute</a></li>';
|
|
$progress = '<div class="jp-progress">
|
|
<div class="jp-seek-bar">
|
|
<div class="jp-play-bar"></div>
|
|
</div>
|
|
</div>';
|
|
}
|
|
|
|
//Shows only the play button
|
|
$html = '<div id="jquery_jplayer_' . $i . '" class="jp-jplayer"></div>
|
|
<div id="jp_container_' . $i . '" class="jp-audio">
|
|
<div class="jp-type-single">
|
|
<div class="jp-gui jp-interface">
|
|
<ul class="jp-controls">
|
|
<li><a href="javascript:;" class="jp-play" tabindex="1">play</a></li>
|
|
<li><a href="javascript:;" class="jp-pause" tabindex="1">pause</a></li>
|
|
' . $extra_controls . '
|
|
</ul>
|
|
' . $progress . '
|
|
</div>
|
|
</div>
|
|
</div>';
|
|
//<div id="jplayer_inspector_'.$i.'"></div>
|
|
return $html;
|
|
}
|
|
|
|
/**
|
|
* @param array $document_data
|
|
* @return string
|
|
*/
|
|
static function generate_video_preview($document_data = array())
|
|
{
|
|
$html = '
|
|
<div id="jp_container_1" class="jp-video">
|
|
<div class="jp-type-single">
|
|
<div id="jquery_jplayer_1" class="jp-jplayer"></div>
|
|
<div class="jp-gui">
|
|
<div class="jp-video-play">
|
|
<a href="javascript:;" class="jp-video-play-icon" tabindex="1">play</a>
|
|
</div>
|
|
<div class="jp-interface">
|
|
<div class="jp-progress">
|
|
<div class="jp-seek-bar">
|
|
<div class="jp-play-bar"></div>
|
|
</div>
|
|
</div>
|
|
<div class="jp-current-time"></div>
|
|
<div class="jp-controls-holder">
|
|
<ul class="jp-controls">
|
|
<li><a href="javascript:;" class="jp-play" tabindex="1">play</a></li>
|
|
<li><a href="javascript:;" class="jp-pause" tabindex="1">pause</a></li>
|
|
<li><a href="javascript:;" class="jp-stop" tabindex="1">stop</a></li>
|
|
<li><a href="javascript:;" class="jp-mute" tabindex="1" title="mute">mute</a></li>
|
|
<li><a href="javascript:;" class="jp-unmute" tabindex="1" title="unmute">unmute</a></li>
|
|
<li><a href="javascript:;" class="jp-volume-max" tabindex="1" title="max volume">max volume</a></li>
|
|
</ul>
|
|
<div class="jp-volume-bar">
|
|
<div class="jp-volume-bar-value"></div>
|
|
</div>
|
|
<ul class="jp-toggles">
|
|
<li><a href="javascript:;" class="jp-full-screen" tabindex="1" title="full screen">full screen</a></li>
|
|
<li><a href="javascript:;" class="jp-restore-screen" tabindex="1" title="restore screen">restore screen</a></li>
|
|
<li><a href="javascript:;" class="jp-repeat" tabindex="1" title="repeat">repeat</a></li>
|
|
<li><a href="javascript:;" class="jp-repeat-off" tabindex="1" title="repeat off">repeat off</a></li>
|
|
</ul>
|
|
</div>
|
|
<div class="jp-title">
|
|
<ul>
|
|
<li>' . $document_data['title'] . '</li>
|
|
</ul>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<div class="jp-no-solution">
|
|
<span>' . get_lang('UpdateRequire') . '</span>
|
|
' . get_lang("ToPlayTheMediaYouWillNeedToUpdateYourBrowserToARecentVersionYouCanAlsoDownloadTheFile") . '
|
|
</div>
|
|
</div>
|
|
</div>';
|
|
return $html;
|
|
}
|
|
|
|
/**
|
|
* @param array $course_info
|
|
* @param bool $lp_id
|
|
* @param string $target
|
|
* @param int $session_id
|
|
* @param bool $add_move_button
|
|
* @param string $filter_by_folder
|
|
* @param string $overwrite_url
|
|
* @param bool $showInvisibleFiles
|
|
* @return string
|
|
*/
|
|
public static function get_document_preview(
|
|
$course_info,
|
|
$lp_id = false,
|
|
$target = '',
|
|
$session_id = 0,
|
|
$add_move_button = false,
|
|
$filter_by_folder = null,
|
|
$overwrite_url = null,
|
|
$showInvisibleFiles = false
|
|
) {
|
|
if (empty($course_info['real_id']) || empty($course_info['code']) || !is_array($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'])) {
|
|
$user_in_course = true;
|
|
}
|
|
//Check if course is open then we can consider that the student is regitered to the course
|
|
if (isset($course_info) && in_array($course_info['visibility'], array(2, 3))) {
|
|
$user_in_course = true;
|
|
}
|
|
} else {
|
|
$user_status = SessionManager::get_user_status_in_course_session($user_id, $course_info['code'], $session_id);
|
|
//is true if is an student, course session teacher or coach
|
|
if (in_array($user_status, array('0', '2', '6'))) {
|
|
$user_in_course = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
$tbl_doc = Database::get_course_table(TABLE_DOCUMENT);
|
|
$tbl_item_prop = Database::get_course_table(TABLE_ITEM_PROPERTY);
|
|
|
|
$path = '/';
|
|
$path = Database::escape_string(str_replace('_', '\_', $path));
|
|
$added_slash = ($path == '/') ? '' : '/';
|
|
|
|
$condition_session = " AND (id_session = '$session_id' OR id_session = '0' )";
|
|
|
|
$add_folder_filter = null;
|
|
if (!empty($filter_by_folder)) {
|
|
$add_folder_filter = " AND docs.path LIKE '" . Database::escape_string($filter_by_folder) . "%'";
|
|
}
|
|
|
|
// If we are in LP display hidden folder https://support.chamilo.org/issues/6679
|
|
$lp_visibility_condition = null;
|
|
if ($lp_id) {
|
|
$lp_visibility_condition = " OR filetype='folder'";
|
|
if ($showInvisibleFiles) {
|
|
$lp_visibility_condition .= ' OR last.visibility = 0';
|
|
}
|
|
}
|
|
|
|
$sql = "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' $lp_visibility_condition) AND
|
|
docs.c_id = {$course_info['real_id']} AND
|
|
last.c_id = {$course_info['real_id']}
|
|
$add_folder_filter
|
|
ORDER BY docs.title ASC";
|
|
|
|
$res_doc = Database::query($sql);
|
|
$resources = Database::store_result($res_doc, 'ASSOC');
|
|
|
|
$resources_sorted = array();
|
|
$return = '';
|
|
|
|
if ($lp_id) {
|
|
$return .= '<div class="lp_resource_element">';
|
|
$return .= Display::return_icon('new_doc.gif', '', array(), ICON_SIZE_SMALL);
|
|
$return .= Display::url(
|
|
get_lang('NewDocument'), api_get_self().'?'.api_get_cidreq().'&action=add_item&type='.TOOL_DOCUMENT.'&lp_id='.$_SESSION['oLP']->lp_id
|
|
);
|
|
$return .= '</div>';
|
|
} else {
|
|
$return .= Display::div(
|
|
Display::url(
|
|
Display::return_icon('close.png', get_lang('Close'), array(), ICON_SIZE_SMALL),
|
|
' javascript:void(0);',
|
|
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 = $resource_path;
|
|
|
|
//$data = json_encode(array('title'=>$resource['title'], 'path'=>$last_path));
|
|
//@todo not sure if it's a good thing using base64_encode. I tried with json_encode but i received the same error
|
|
//Some testing is needed in order to prove the performance
|
|
//Also change the explode to value from "/" to "|@j@|" it fixes #3780
|
|
|
|
$data = base64_encode($resource['title'].'|@j@|'.$last_path.'|@j@|'.$resource['visibility']);
|
|
|
|
if ($is_file) {
|
|
//for backward compatibility
|
|
if (empty($resource['title'])) {
|
|
$resource['title'] = basename($resource['path']);
|
|
}
|
|
eval('$resources_sorted' . $path_to_eval . '[' . $resource['id'] . '] = "' . $data . '" ; ');
|
|
} else {
|
|
eval('$resources_sorted' . $path_to_eval . '["' . $last_path . '"]["id"]=' . $resource['id'] . ';');
|
|
eval('$resources_sorted' . $path_to_eval . '["' . $last_path . '"]["title"]= "' . api_htmlentities($resource['title']) . '";');
|
|
eval('$resources_sorted' . $path_to_eval . '["' . $last_path . '"]["visible"]= "'.$resource['visibility'].'";'); // for LP display hidden folder in grey
|
|
}
|
|
}
|
|
}
|
|
|
|
$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,
|
|
$add_move_button,
|
|
$overwrite_url
|
|
);
|
|
|
|
$return .= $write_result;
|
|
|
|
$img_path = api_get_path(WEB_IMG_PATH);
|
|
|
|
if ($lp_id == false) {
|
|
$return .= "<script>
|
|
$('.doc_folder').mouseover(function() {
|
|
var my_id = this.id.split('_')[2];
|
|
$('#res_'+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';
|
|
var id = id.split('_')[1];
|
|
document.getElementById('img_'+id).src='" . $img_path . "nolines_plus.gif';
|
|
} else {
|
|
document.getElementById(id).style.display='block';
|
|
var id = id.split('_')[1];
|
|
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 $course_info
|
|
* @param int $session_id
|
|
* @param array $resources_sorted
|
|
* @param int $num
|
|
* @param bool $lp_id
|
|
* @param string $target
|
|
* @param bool $add_move_button
|
|
* @param string $overwrite_url
|
|
* @return string
|
|
*/
|
|
public static function write_resources_tree(
|
|
$course_info,
|
|
$session_id,
|
|
$resources_sorted,
|
|
$num = 0,
|
|
$lp_id = false,
|
|
$target = '',
|
|
$add_move_button = false,
|
|
$overwrite_url = null
|
|
) {
|
|
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) {
|
|
$title = isset($resource['title']) ? $resource['title'] : null;
|
|
if (empty($title)) {
|
|
$title = $key;
|
|
}
|
|
if (isset($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 in LP, hidden folder are displayed in grey
|
|
$folder_class_hidden = "";
|
|
if ($lp_id) {
|
|
if (isset($resource['visible']) && $resource['visible'] == 0) {
|
|
$folder_class_hidden = "doc_folder_hidden"; // in base.css
|
|
}
|
|
$onclick = 'onclick="javascript: testResources(\'res_' . $resource['id'] . '\',\'img_' . $resource['id'] . '\')"';
|
|
}
|
|
|
|
$return .= '<ul class="lp_resource">';
|
|
$return .= '<li class="doc_folder '.$folder_class_hidden.'" id="doc_id_' . $resource['id'] . '" style="margin-left:' . ($num * 18) . 'px; ">';
|
|
|
|
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;" >'.$title.'</span>';
|
|
$return .= '</li>';
|
|
|
|
$return .= '<div id="res_' . $resource['id'] . '" style="display: none;" >';
|
|
if (isset($resource['files'])) {
|
|
$return .= self::write_resources_tree(
|
|
$course_info,
|
|
$session_id,
|
|
$resource['files'],
|
|
$num + 1,
|
|
$lp_id,
|
|
$target,
|
|
$add_move_button,
|
|
$overwrite_url
|
|
);
|
|
}
|
|
$return .= '</div>';
|
|
$return .= '</ul>';
|
|
} else {
|
|
if (!is_array($resource)) {
|
|
$resource = base64_decode($resource);
|
|
// It's a file.
|
|
$icon = choose_image($resource);
|
|
$position = strrpos($icon, '.');
|
|
$icon = substr($icon, 0, $position) . '_small.gif';
|
|
$file_info = explode('|@j@|', $resource);
|
|
$my_file_title = $file_info[0];
|
|
$visibility = $file_info[2];
|
|
|
|
// If title is empty we try to use the path
|
|
if (empty($my_file_title)) {
|
|
$my_file_title = $file_info[1];
|
|
}
|
|
|
|
// Show the "image name" not the filename of the image.
|
|
if ($lp_id) {
|
|
//LP URL
|
|
$url = api_get_self() . '?'.api_get_cidreq().'&action=add_item&type=' . TOOL_DOCUMENT . '&file=' . $key . '&lp_id=' . $lp_id;
|
|
if (!empty($overwrite_url)) {
|
|
$url = $overwrite_url . '&document_id=' . $key;
|
|
}
|
|
} else {
|
|
// Direct document URL
|
|
$url = $web_code_path . 'document/document.php?cidReq=' . $course_info['code'] . '&id_session=' . $session_id . '&id=' . $key;
|
|
if (!empty($overwrite_url)) {
|
|
$url = $overwrite_url . '&document_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));
|
|
$visibilityClass = null;
|
|
if ($visibility == 0) {
|
|
$visibilityClass = ' invisible ';
|
|
}
|
|
|
|
if ($lp_id == false) {
|
|
$return .= '<li class="doc_resource '.$visibilityClass.' " data_id="' . $key . '" data_type="document" title="' . $my_file_title . '" >';
|
|
} else {
|
|
$return .= '<li class="doc_resource lp_resource_element '.$visibilityClass.' " data_id="' . $key . '" data_type="document" title="' . $my_file_title . '" >';
|
|
}
|
|
|
|
$return .= '<div class="item_data" style="margin-left:' . (($num + 1) * 18) . 'px;margin-right:5px;">';
|
|
|
|
if ($add_move_button) {
|
|
$return .= '<a class="moved" href="#">';
|
|
$return .= Display::return_icon('move_everywhere.png', get_lang('Move'), array(), ICON_SIZE_TINY);
|
|
$return .= '</a> ';
|
|
}
|
|
$return .= $link;
|
|
$return .= '</div></li>';
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* @param int $doc_id
|
|
* @param string $course_code
|
|
* @param int $session_id
|
|
* @param int $user_id
|
|
* @param int $groupId
|
|
* @return bool
|
|
*/
|
|
public static function check_visibility_tree($doc_id, $course_code, $session_id, $user_id, $groupId = 0)
|
|
{
|
|
$document_data = self::get_document_data_by_id($doc_id, $course_code, null, $session_id);
|
|
if ($session_id != 0 && !$document_data) {
|
|
$document_data = self::get_document_data_by_id($doc_id, $course_code, null, 0);
|
|
}
|
|
|
|
if (!empty($document_data)) {
|
|
// If admin or course teacher, allow anyway
|
|
if (api_is_platform_admin() || CourseManager::is_course_teacher($user_id, $course_code)) {
|
|
return true;
|
|
}
|
|
$course_info = api_get_course_info($course_code);
|
|
if ($document_data['parent_id'] == false || empty($document_data['parent_id'])) {
|
|
if (!empty($groupId)) {
|
|
return true;
|
|
}
|
|
$visible = self::is_visible_by_id($doc_id, $course_info, $session_id, $user_id);
|
|
return $visible;
|
|
} else {
|
|
$visible = self::is_visible_by_id($doc_id, $course_info, $session_id, $user_id);
|
|
|
|
if (!$visible) {
|
|
return false;
|
|
} else {
|
|
return self::check_visibility_tree($document_data['parent_id'], $course_code, $session_id, $user_id, $groupId);
|
|
}
|
|
}
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Index a given document.
|
|
* @param int Document ID inside its corresponding course
|
|
* @param string Course code
|
|
* @param int Session ID (not used yet)
|
|
* @param string Language of document's content (defaults to course language)
|
|
* @param array Array of specific fields (['code'=>'value',...])
|
|
* @param string What to do if the file already exists (default or overwrite)
|
|
* @param bool When set to true, this runs the indexer without actually saving anything to any database
|
|
* @return bool Returns true on presumed success, false on failure
|
|
*/
|
|
public static function index_document(
|
|
$docid,
|
|
$course_code,
|
|
$session_id = 0,
|
|
$lang = 'english',
|
|
$specific_fields_values = array(),
|
|
$if_exists = '',
|
|
$simulation = false
|
|
) {
|
|
if (api_get_setting('search_enabled') !== 'true') {
|
|
return false;
|
|
}
|
|
if (empty($docid) or $docid != intval($docid)) {
|
|
return false;
|
|
}
|
|
if (empty($session_id)) {
|
|
$session_id = api_get_session_id();
|
|
}
|
|
$course_info = api_get_course_info($course_code);
|
|
$course_dir = $course_info['path'] . '/document';
|
|
$sys_course_path = api_get_path(SYS_COURSE_PATH);
|
|
$base_work_dir = $sys_course_path . $course_dir;
|
|
|
|
$course_id = $course_info['real_id'];
|
|
$table_document = Database::get_course_table(TABLE_DOCUMENT);
|
|
|
|
$qry = "SELECT path, title FROM $table_document WHERE c_id = $course_id AND id = '$docid' LIMIT 1";
|
|
$result = Database::query($qry);
|
|
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);
|
|
$allowed_mime_types = self::file_get_mime_type(true);
|
|
|
|
// mime_content_type does not detect correctly some formats that are going to be supported for index, so an extensions array is used for the moment
|
|
if (empty($doc_mime)) {
|
|
$allowed_extensions = array('doc', 'docx', 'ppt', 'pptx', 'pps', 'ppsx', 'xls', 'xlsx', 'odt', 'odp', 'ods', 'pdf', 'txt', 'rtf', 'msg', 'csv', 'html', 'htm');
|
|
$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)) {
|
|
$file_title = $row['title'];
|
|
$file_content = self::get_text_content($doc_path, $doc_mime);
|
|
$course_code = Database::escape_string($course_code);
|
|
|
|
require_once api_get_path(LIBRARY_PATH) . 'search/ChamiloIndexer.class.php';
|
|
require_once api_get_path(LIBRARY_PATH) . 'search/IndexableChunk.class.php';
|
|
|
|
$ic_slide = new IndexableChunk();
|
|
$ic_slide->addValue('title', $file_title);
|
|
$ic_slide->addCourseId($course_code);
|
|
$ic_slide->addToolId(TOOL_DOCUMENT);
|
|
$xapian_data = array(
|
|
SE_COURSE_ID => $course_code,
|
|
SE_TOOL_ID => TOOL_DOCUMENT,
|
|
SE_DATA => array('doc_id' => $docid),
|
|
SE_USER => api_get_user_id(),
|
|
);
|
|
|
|
$ic_slide->xapian_data = serialize($xapian_data);
|
|
$di = new ChamiloIndexer();
|
|
$return = $di->connectDb(null, null, $lang);
|
|
|
|
require_once api_get_path(LIBRARY_PATH) . 'specific_fields_manager.lib.php';
|
|
$specific_fields = get_specific_field_list();
|
|
|
|
// process different depending on what to do if file exists
|
|
/**
|
|
* @TODO Find a way to really verify if the file had been
|
|
* overwriten. Now all work is done at
|
|
* handle_uploaded_document() and it's difficult to verify it
|
|
*/
|
|
if (!empty($if_exists) && $if_exists == 'overwrite') {
|
|
// Overwrite the file on search engine
|
|
// Actually, it consists on a delete of 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, $course_code, TOOL_DOCUMENT, $docid);
|
|
|
|
$res = Database::query($sql);
|
|
|
|
if (Database::num_rows($res) > 0) {
|
|
$se_ref = Database::fetch_array($res);
|
|
if (!$simulation) {
|
|
$di->remove_document($se_ref['search_did']);
|
|
}
|
|
$all_specific_terms = '';
|
|
foreach ($specific_fields as $specific_field) {
|
|
if (!$simulation) {
|
|
delete_all_specific_field_value($course_code, $specific_field['id'], TOOL_DOCUMENT, $docid);
|
|
}
|
|
// Update search engine
|
|
if (isset($specific_fields_values[$specific_field['code']])) {
|
|
$sterms = trim($specific_fields_values[$specific_field['code']]);
|
|
} else { //if the specific field is not defined, force an empty one
|
|
$sterms = '';
|
|
}
|
|
$all_specific_terms .= ' ' . $sterms;
|
|
$sterms = explode(',', $sterms);
|
|
foreach ($sterms as $sterm) {
|
|
$sterm = trim($sterm);
|
|
if (!empty($sterm)) {
|
|
$ic_slide->addTerm($sterm, $specific_field['code']);
|
|
// updated the last param here from $value to $sterm without being sure - see commit15464
|
|
if (!$simulation) {
|
|
add_specific_field_value($specific_field['id'], $course_code, TOOL_DOCUMENT, $docid, $sterm);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// Add terms also to content to make terms findable by probabilistic search
|
|
$file_content = $all_specific_terms . ' ' . $file_content;
|
|
|
|
if (!$simulation) {
|
|
$ic_slide->addValue('content', $file_content);
|
|
$di->addChunk($ic_slide);
|
|
// Index and return a new search engine document id
|
|
$did = $di->index();
|
|
|
|
if ($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 $specific_field) {
|
|
if (isset($specific_fields_values[$specific_field['code']])) {
|
|
$sterms = trim($specific_fields_values[$specific_field['code']]);
|
|
} else { //if the specific field is not defined, force an empty one
|
|
$sterms = '';
|
|
}
|
|
$all_specific_terms .= ' ' . $sterms;
|
|
if (!empty($sterms)) {
|
|
$sterms = explode(',', $sterms);
|
|
foreach ($sterms as $sterm) {
|
|
if (!$simulation) {
|
|
$ic_slide->addTerm(trim($sterm), $specific_field['code']);
|
|
add_specific_field_value($specific_field['id'], $course_code, TOOL_DOCUMENT, $docid, $sterm);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// Add terms also to content to make terms findable by probabilistic search
|
|
$file_content = $all_specific_terms . ' ' . $file_content;
|
|
if (!$simulation) {
|
|
$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, $course_code, TOOL_DOCUMENT, $docid, $did);
|
|
Database::query($sql);
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @return array
|
|
*/
|
|
public static function get_web_odf_extension_list()
|
|
{
|
|
return array('ods', 'odt');
|
|
}
|
|
|
|
/**
|
|
* @param string $path
|
|
* @param bool $is_certificate_mode
|
|
* @return bool
|
|
*/
|
|
public static function is_folder_to_avoid($path, $is_certificate_mode = false)
|
|
{
|
|
$foldersToAvoid = array(
|
|
'/HotPotatoes_files',
|
|
'/certificates',
|
|
);
|
|
$systemFolder = api_get_course_setting('show_system_folders');
|
|
|
|
if ($systemFolder == 1) {
|
|
$foldersToAvoid = array();
|
|
}
|
|
|
|
if (basename($path) == 'css') {
|
|
return true;
|
|
}
|
|
|
|
if ($is_certificate_mode == false) {
|
|
//Certificate results
|
|
if (strstr($path, 'certificates')) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// Admin setting for Hide/Show the folders of all users
|
|
if (api_get_setting('show_users_folders') == 'false') {
|
|
$foldersToAvoid[] = '/shared_folder';
|
|
|
|
if (strstr($path, 'shared_folder_session_')) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// Admin setting for Hide/Show Default folders to all users
|
|
if (api_get_setting('show_default_folders') == 'false') {
|
|
$foldersToAvoid[] = '/images';
|
|
$foldersToAvoid[] = '/flash';
|
|
$foldersToAvoid[] = '/audio';
|
|
$foldersToAvoid[] = '/video';
|
|
}
|
|
|
|
// Admin setting for Hide/Show chat history folder
|
|
if (api_get_setting('show_chat_folder') == 'false') {
|
|
$foldersToAvoid[] = '/chat_files';
|
|
}
|
|
return in_array($path, $foldersToAvoid);
|
|
}
|
|
|
|
/**
|
|
* @return array
|
|
*/
|
|
static function get_system_folders()
|
|
{
|
|
$system_folders = array(
|
|
'/certificates',
|
|
'/HotPotatoes_files',
|
|
'/chat_files',
|
|
'/images',
|
|
'/flash',
|
|
'/audio',
|
|
'/video',
|
|
'/shared_folder',
|
|
'/learning_path'
|
|
);
|
|
return $system_folders;
|
|
}
|
|
|
|
/**
|
|
* @param string $courseCode
|
|
* @return string 'visible' or 'invisible' string
|
|
*/
|
|
public static function getDocumentDefaultVisibility($courseCode)
|
|
{
|
|
$settings = api_get_setting('tool_visible_by_default_at_creation');
|
|
|
|
$defaultVisibility = 'visible';
|
|
|
|
if (isset($settings['documents'])) {
|
|
$portalDefaultVisibility = 'invisible';
|
|
if ($settings['documents'] == 'true') {
|
|
$portalDefaultVisibility = 'visible';
|
|
}
|
|
|
|
$defaultVisibility = $portalDefaultVisibility;
|
|
}
|
|
|
|
if (api_get_setting('documents_default_visibility_defined_in_course') == 'true') {
|
|
$courseVisibility = api_get_course_setting('documents_default_visibility', $courseCode);
|
|
if (!empty($courseVisibility) && in_array($courseVisibility, array('visible', 'invisible'))) {
|
|
$defaultVisibility = $courseVisibility;
|
|
}
|
|
}
|
|
return $defaultVisibility;
|
|
}
|
|
|
|
/**
|
|
* @param array $courseInfo
|
|
* @param int $id doc id
|
|
* @param string $visibility visible/invisible
|
|
* @param int $userId
|
|
*/
|
|
public static function updateVisibilityFromAllSessions($courseInfo, $id, $visibility, $userId)
|
|
{
|
|
$sessionList = SessionManager::get_session_by_course($courseInfo['code']);
|
|
|
|
if (!empty($sessionList)) {
|
|
foreach ($sessionList as $session) {
|
|
$sessionId = $session['id'];
|
|
api_item_property_update(
|
|
$courseInfo,
|
|
TOOL_DOCUMENT,
|
|
$id,
|
|
$visibility,
|
|
$userId,
|
|
null,
|
|
null,
|
|
null,
|
|
null,
|
|
$sessionId
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param string $file
|
|
* @return string
|
|
*/
|
|
public static function readNanogongFile($file)
|
|
{
|
|
$nanoGongJarFile = api_get_path(WEB_LIBRARY_PATH).'nanogong/nanogong.jar';
|
|
|
|
$html = '<applet id="applet" archive="'.$nanoGongJarFile.'" code="gong.NanoGong" width="160" height="95">';
|
|
$html .= '<param name="SoundFileURL" value="'.$file.'" />';
|
|
$html .= '<param name="ShowSaveButton" value="false" />';
|
|
$html .= '<param name="ShowTime" value="true" />';
|
|
$html .= '<param name="ShowRecordButton" value="false" />';
|
|
$html .= '</applet>';
|
|
return $html;
|
|
}
|
|
|
|
/**
|
|
* @param string $filePath
|
|
* @param string $path
|
|
* @param $courseInfo
|
|
* @param string $whatIfFileExists overwrite|rename
|
|
* @param null $userId
|
|
* @param null $groupId
|
|
* @param null $toUserId
|
|
* @return bool|path
|
|
*/
|
|
public static function addFileToDocumentTool(
|
|
$filePath,
|
|
$path,
|
|
$courseInfo,
|
|
$userId,
|
|
$whatIfFileExists = 'overwrite',
|
|
$groupId = null,
|
|
$toUserId = null
|
|
) {
|
|
if (!file_exists($filePath)) {
|
|
return false;
|
|
}
|
|
|
|
$fileInfo = pathinfo($filePath);
|
|
|
|
$file = array(
|
|
'name' => $fileInfo['basename'],
|
|
'tmp_name' => $filePath,
|
|
'size' => filesize($filePath),
|
|
'from_file' => true
|
|
);
|
|
|
|
$course_dir = $courseInfo['path'].'/document';
|
|
$baseWorkDir = api_get_path(SYS_COURSE_PATH).$course_dir;
|
|
|
|
$filePath = handle_uploaded_document(
|
|
$courseInfo,
|
|
$file,
|
|
$baseWorkDir,
|
|
$path,
|
|
$userId,
|
|
$groupId,
|
|
$toUserId,
|
|
false,
|
|
$whatIfFileExists,
|
|
false
|
|
);
|
|
|
|
if ($filePath) {
|
|
return DocumentManager::get_document_id($courseInfo, $filePath);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Converts wav to mp3 file.
|
|
* Requires the ffmpeg lib. In ubuntu: sudo apt-get install ffmpeg
|
|
* @param string $wavFile
|
|
* @param bool $removeWavFileIfSuccess
|
|
* @return bool
|
|
*/
|
|
public static function convertWavToMp3($wavFile, $removeWavFileIfSuccess = false)
|
|
{
|
|
require_once '../../../../vendor/autoload.php';
|
|
|
|
if (file_exists($wavFile)) {
|
|
try {
|
|
$ffmpeg = \FFMpeg\FFMpeg::create();
|
|
$video = $ffmpeg->open($wavFile);
|
|
$mp3File = str_replace('wav', 'mp3', $wavFile);
|
|
$result = $video->save(new FFMpeg\Format\Audio\Mp3(), $mp3File);
|
|
if ($result && $removeWavFileIfSuccess) {
|
|
unlink($wavFile);
|
|
}
|
|
|
|
if (file_exists($mp3File)) {
|
|
return $mp3File;
|
|
}
|
|
} catch (Exception $e) {
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* @param string $documentData
|
|
* @param array $courseInfo
|
|
* @param string $whatIfFileExists
|
|
* @return bool|path
|
|
*/
|
|
public static function addAndConvertWavToMp3($documentData, $courseInfo, $userId, $whatIfFileExists = 'overwrite')
|
|
{
|
|
if (empty($documentData)) {
|
|
return false;
|
|
}
|
|
|
|
if (isset($documentData['absolute_path']) && file_exists($documentData['absolute_path'])) {
|
|
$mp3FilePath = self::convertWavToMp3($documentData['absolute_path']);
|
|
//$mp3FilePath = str_replace('wav', 'mp3', $documentData['absolute_path']);
|
|
if (!empty($mp3FilePath)) {
|
|
|
|
$documentId = self::addFileToDocumentTool(
|
|
$mp3FilePath,
|
|
dirname($documentData['path']),
|
|
$courseInfo,
|
|
$userId,
|
|
$whatIfFileExists
|
|
);
|
|
|
|
if (!empty($documentId)) {
|
|
return $documentId;
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|