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57 lines
1.6 KiB
PHP
57 lines
1.6 KiB
PHP
<?PHP // $Id$
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// This function fetches files from the data directory
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// Syntax: file.php/courseid/dir/.../dir/filename.ext
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require_once("config.php");
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require_once("files/mimetypes.php");
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$lifetime = 86400;
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if (isset($file)) { // workaround for situations where / syntax doesn't work
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$pathinfo = $file;
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} else {
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$pathinfo = get_slash_arguments("file.php");
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}
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if (!$pathinfo) {
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error("No file parameters!");
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}
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if (! $args = parse_slash_arguments($pathinfo)) {
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error("No valid arguments supplied");
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}
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$numargs = count($args);
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$courseid = (integer)$args[0];
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$course = get_record("course", "id", $courseid);
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if ($course->category) {
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require_login($courseid);
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}
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// it's OK to get here if no course was specified
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$pathname = "$CFG->dataroot$pathinfo";
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$filename = $args[$numargs-1];
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$mimetype = mimeinfo("type", $filename);
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if (file_exists($pathname)) {
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$lastmodified = filemtime($pathname);
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header("Last-Modified: " . gmdate("D, d M Y H:i:s", $lastmodified) . " GMT");
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header("Expires: " . gmdate("D, d M Y H:i:s", time() + $lifetime) . " GMT");
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header("Cache-control: max_age = $lifetime"); // a day
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header("Pragma: ");
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header("Content-disposition: inline; filename=$filename");
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header("Content-length: ".filesize($pathname));
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header("Content-type: $mimetype");
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readfile("$pathname");
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} else {
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error("Sorry, but the file you are looking for was not found ($pathname)", "course/view.php?id=$courseid");
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}
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exit;
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?>
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