mirror of
https://github.com/moodle/moodle.git
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266 lines
11 KiB
PHP
266 lines
11 KiB
PHP
<?php //$Id$
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function mimeinfo($element, $filename) {
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$mimeinfo = array (
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"xxx" => array ("type"=>"document/unknown", "icon"=>"unknown.gif"),
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"3gp" => array ("type"=>"video/quicktime", "icon"=>"video.gif"),
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"ai" => array ("type"=>"application/postscript", "icon"=>"image.gif"),
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"aif" => array ("type"=>"audio/x-aiff", "icon"=>"audio.gif"),
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"aiff" => array ("type"=>"audio/x-aiff", "icon"=>"audio.gif"),
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"aifc" => array ("type"=>"audio/x-aiff", "icon"=>"audio.gif"),
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"applescript" => array ("type"=>"text/plain", "icon"=>"text.gif"),
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"asc" => array ("type"=>"text/plain", "icon"=>"text.gif"),
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"au" => array ("type"=>"audio/au", "icon"=>"audio.gif"),
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"avi" => array ("type"=>"video/x-ms-wm", "icon"=>"avi.gif"),
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"bmp" => array ("type"=>"image/bmp", "icon"=>"image.gif"),
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"cs" => array ("type"=>"application/x-csh", "icon"=>"text.gif"),
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"css" => array ("type"=>"text/css", "icon"=>"text.gif"),
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"dv" => array ("type"=>"video/x-dv", "icon"=>"video.gif"),
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"doc" => array ("type"=>"application/msword", "icon"=>"word.gif"),
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"dif" => array ("type"=>"video/x-dv", "icon"=>"video.gif"),
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"eps" => array ("type"=>"application/postscript", "icon"=>"pdf.gif"),
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"gif" => array ("type"=>"image/gif", "icon"=>"image.gif"),
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"gtar" => array ("type"=>"application/x-gtar", "icon"=>"zip.gif"),
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"gz" => array ("type"=>"application/g-zip", "icon"=>"zip.gif"),
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"gzip" => array ("type"=>"application/g-zip", "icon"=>"zip.gif"),
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"h" => array ("type"=>"text/plain", "icon"=>"text.gif"),
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"hqx" => array ("type"=>"application/mac-binhex40", "icon"=>"zip.gif"),
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"html" => array ("type"=>"text/html", "icon"=>"html.gif"),
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"htm" => array ("type"=>"text/html", "icon"=>"html.gif"),
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"jpe" => array ("type"=>"image/jpeg", "icon"=>"image.gif"),
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"jpeg" => array ("type"=>"image/jpeg", "icon"=>"image.gif"),
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"jpg" => array ("type"=>"image/jpeg", "icon"=>"image.gif"),
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"js" => array ("type"=>"application/x-javascript", "icon"=>"text.gif"),
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"latex"=> array ("type"=>"application/x-latex", "icon"=>"text.gif"),
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"m" => array ("type"=>"text/plain", "icon"=>"text.gif"),
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"mov" => array ("type"=>"video/quicktime", "icon"=>"video.gif"),
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"movie"=> array ("type"=>"video/x-sgi-movie", "icon"=>"video.gif"),
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"m3u" => array ("type"=>"audio/x-mpegurl", "icon"=>"audio.gif"),
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"mp3" => array ("type"=>"audio/mp3", "icon"=>"audio.gif"),
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"mp4" => array ("type"=>"video/mp4", "icon"=>"video.gif"),
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"mpeg" => array ("type"=>"video/mpeg", "icon"=>"video.gif"),
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"mpe" => array ("type"=>"video/mpeg", "icon"=>"video.gif"),
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"mpg" => array ("type"=>"video/mpeg", "icon"=>"video.gif"),
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"pct" => array ("type"=>"image/pict", "icon"=>"image.gif"),
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"pdf" => array ("type"=>"application/pdf", "icon"=>"pdf.gif"),
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"php" => array ("type"=>"text/plain", "icon"=>"text.gif"),
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"pic" => array ("type"=>"image/pict", "icon"=>"image.gif"),
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"pict" => array ("type"=>"image/pict", "icon"=>"image.gif"),
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"png" => array ("type"=>"image/png", "icon"=>"image.gif"),
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"pps" => array ("type"=>"application/vnd.ms-powerpoint", "icon"=>"powerpoint.gif"),
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"ppt" => array ("type"=>"application/vnd.ms-powerpoint", "icon"=>"powerpoint.gif"),
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"ps" => array ("type"=>"application/postscript", "icon"=>"pdf.gif"),
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"qt" => array ("type"=>"video/quicktime", "icon"=>"video.gif"),
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"ra" => array ("type"=>"audio/x-realaudio", "icon"=>"audio.gif"),
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"ram" => array ("type"=>"audio/x-pn-realaudio", "icon"=>"audio.gif"),
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"rm" => array ("type"=>"audio/x-pn-realaudio", "icon"=>"audio.gif"),
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"rtf" => array ("type"=>"text/rtf", "icon"=>"text.gif"),
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"rtx" => array ("type"=>"text/richtext", "icon"=>"text.gif"),
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"sh" => array ("type"=>"application/x-sh", "icon"=>"text.gif"),
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"sit" => array ("type"=>"application/x-stuffit", "icon"=>"zip.gif"),
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"smi" => array ("type"=>"application/smil", "icon"=>"text.gif"),
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"smil" => array ("type"=>"application/smil", "icon"=>"text.gif"),
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"swf" => array ("type"=>"application/x-shockwave-flash", "icon"=>"flash.gif"),
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"tar" => array ("type"=>"application/x-tar", "icon"=>"zip.gif"),
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"tif" => array ("type"=>"image/tiff", "icon"=>"image.gif"),
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"tiff" => array ("type"=>"image/tiff", "icon"=>"image.gif"),
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"tex" => array ("type"=>"application/x-tex", "icon"=>"text.gif"),
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"texi" => array ("type"=>"application/x-texinfo", "icon"=>"text.gif"),
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"texinfo" => array ("type"=>"application/x-texinfo", "icon"=>"text.gif"),
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"tsv" => array ("type"=>"text/tab-separated-values", "icon"=>"text.gif"),
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"txt" => array ("type"=>"text/plain", "icon"=>"text.gif"),
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"wav" => array ("type"=>"audio/wav", "icon"=>"audio.gif"),
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"wmv" => array ("type"=>"video/x-ms-wmv", "icon"=>"avi.gif"),
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"asf" => array ("type"=>"video/x-ms-asf", "icon"=>"avi.gif"),
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"xls" => array ("type"=>"application/vnd.ms-excel", "icon"=>"excel.gif"),
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"xml" => array ("type"=>"application/xml", "icon"=>"xml.gif"),
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"xsl" => array ("type"=>"text/xml", "icon"=>"xml.gif"),
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"zip" => array ("type"=>"application/zip", "icon"=>"zip.gif")
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);
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if (eregi("\.([a-z0-9]+)$", $filename, $match)) {
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if (isset($mimeinfo[strtolower($match[1])][$element])) {
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return $mimeinfo[strtolower($match[1])][$element];
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} else {
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return $mimeinfo["xxx"][$element]; // By default
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}
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} else {
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return $mimeinfo["xxx"][$element]; // By default
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}
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}
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function send_file($path, $filename, $lifetime=86400 , $filter=false, $pathisstring=false) {
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$mimetype = mimeinfo('type', $filename);
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$lastmodified = $pathisstring ? time() : filemtime($path);
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$filesize = $pathisstring ? strlen($path) : filesize($path);
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@header('Last-Modified: '. gmdate("D, d M Y H:i:s", $lastmodified) .' GMT');
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if ($lifetime > 0) {
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@header('Cache-control: max-age='.$lifetime);
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@header('Expires: '. gmdate("D, d M Y H:i:s", time() + $lifetime) .'GMT');
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@header('Pragma: ');
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} else {
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// this part is tricky, displaying of MS Office documents in IE needs
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// to store the file on disk, but no-cache may prevent it
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@header('Cache-Control: private, must-revalidate, pre-check=0, post-check=0, max-age=10');
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@header('Expires: '. gmdate("D, d M Y H:i:s", 0) .'GMT');
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@header('Pragma: no-cache');
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}
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@header('Accept-Ranges: none'); // PDF compatibility
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@header('Content-disposition: inline; filename='.$filename);
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if (!$filter) {
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@header('Content-length: '.$filesize);
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if ($mimetype == 'text/plain') {
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@header('Content-type: text/plain; charset='.get_string('thischarset')); //add encoding
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} else {
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@header('Content-type: '.$mimetype);
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}
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if ($pathisstring) {
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echo $path;
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}else {
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readfile($path);
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}
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} else { // Try to put the file through filters
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global $course;
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if (!empty($course->id)) {
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$courseid = $course->id;
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} else {
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$courseid = SITEID;
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}
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if ($mimetype == 'text/html') {
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$options->noclean = true;
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$text = $pathisstring ? $path : implode('', file($path));
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$output = format_text($text, FORMAT_HTML, $options, $courseid);
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@header('Content-length: '.strlen($output));
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@header('Content-type: text/html');
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echo $output;
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} else if ($mimetype == 'text/plain') {
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$options->newlines = false;
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$options->noclean = true;
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$text = htmlentities($pathisstring ? $path : implode('', file($path)));
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$output = '<pre>'. format_text($text, FORMAT_MOODLE, $options, $courseid) .'</pre>';
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@header('Content-length: '.strlen($output));
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@header('Content-type: text/html; charset='. get_string('thischarset')); //add encoding
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echo $output;
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} else { // Just send it out raw
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@header('Content-length: '.$filesize);
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@header('Content-type: '.$mimetype);
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if ($pathisstring) {
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echo $path;
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}else {
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readfile($path);
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}
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}
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}
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die; //no more chars to output!!!
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}
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function get_records_csv($file, $table) {
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global $CFG, $db;
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if (!$metacolumns = $db->MetaColumns($CFG->prefix . $table)) {
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return false;
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}
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if(!($handle = @fopen($file, 'r'))) {
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error('get_records_csv failed to open '.$file);
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}
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$fieldnames = fgetcsv($handle, 4096);
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if(empty($fieldnames)) {
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fclose($handle);
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return false;
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}
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$columns = array();
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foreach($metacolumns as $metacolumn) {
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$ord = array_search($metacolumn->name, $fieldnames);
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if(is_int($ord)) {
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$columns[$metacolumn->name] = $ord;
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}
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}
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$rows = array();
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while (($data = fgetcsv($handle, 4096)) !== false) {
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$item = new stdClass;
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foreach($columns as $name => $ord) {
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$item->$name = $data[$ord];
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}
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$rows[] = $item;
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}
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fclose($handle);
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return $rows;
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}
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function put_records_csv($file, $records, $table = NULL) {
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global $CFG, $db;
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if(empty($records)) {
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return true;
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}
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$metacolumns = NULL;
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if ($table !== NULL && !$metacolumns = $db->MetaColumns($CFG->prefix . $table)) {
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return false;
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}
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if(!($fp = @fopen($CFG->dataroot.'/temp/'.$file, 'w'))) {
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error('put_records_csv failed to open '.$file);
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}
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$proto = reset($records);
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if(is_object($proto)) {
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$fields_records = array_keys(get_object_vars($proto));
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}
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else if(is_array($proto)) {
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$fields_records = array_keys($proto);
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}
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else {
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return false;
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}
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if(!empty($metacolumns)) {
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$fields_table = array_map(create_function('$a', 'return $a->name;'), $metacolumns);
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$fields = array_intersect($fields_records, $fields_table);
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}
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else {
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$fields = $fields_records;
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}
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fwrite($fp, implode(',', $fields));
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fwrite($fp, "\r\n");
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foreach($records as $record) {
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$array = (array)$record;
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$values = array();
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foreach($fields as $field) {
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if(strpos($array[$field], ',')) {
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$values[] = '"'.str_replace('"', '\"', $array[$field]).'"';
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}
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else {
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$values[] = $array[$field];
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}
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}
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fwrite($fp, implode(',', $values)."\r\n");
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}
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fclose($fp);
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return true;
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}
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if (!function_exists('file_get_contents')) {
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function file_get_contents($file) {
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$file = file($file);
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return !$file ? false : implode('', $file);
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}
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}
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?>
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