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