mirror of
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synced 2025-01-19 14:27:22 +01:00
100 lines
3.3 KiB
PHP
100 lines
3.3 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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if (empty($CFG->filelifetime)) {
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$CFG->filelifetime = 86400; /// Seconds for files to remain in caches
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}
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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 (!$pathinfo) {
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error("No file parameters!");
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}
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$pathinfo = urldecode($pathinfo);
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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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if ($numargs < 2 or empty($args[1])) {
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error("No valid arguments supplied");
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}
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$courseid = (integer)$args[0];
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if (!$course = get_record("course", "id", $courseid)) { // Course ID must be specified
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error("Invalid course ID");
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}
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if ($course->category) {
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require_login($courseid);
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} else if ($CFG->forcelogin) {
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require_login();
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}
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$pathname = "$CFG->dataroot$pathinfo";
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if ($pathargs = explode("?",$pathname)) {
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$pathname = $pathargs[0]; // Only keep what's before the '?'
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}
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$filename = $args[$numargs-1];
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if ($fileargs = explode("?",$filename)) {
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$filename = $fileargs[0]; // Only keep what's before the '?'
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}
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if (file_exists($pathname)) {
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$lastmodified = filemtime($pathname);
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$mimetype = mimeinfo("type", $filename);
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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() + $CFG->filelifetime) . " GMT");
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header("Cache-control: max_age = $CFG->filelifetime");
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header("Pragma: ");
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header("Content-disposition: inline; filename=$filename");
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if (empty($CFG->filteruploadedfiles)) {
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header("Content-length: ".filesize($pathname));
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header("Content-type: $mimetype");
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readfile($pathname);
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} else { /// Try and put the file through filters
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if ($mimetype == "text/html") {
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$options->noclean = true;
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$output = format_text(implode('', file($pathname)), 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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$output = '<pre>'.format_text(implode('', file($pathname)), FORMAT_MOODLE, $options, $courseid).'</pre>';
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header("Content-length: ".strlen($output));
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header("Content-type: text/html");
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echo $output;
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} else { /// Just send it out raw
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header("Content-length: ".filesize($pathname));
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header("Content-type: $mimetype");
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readfile($pathname);
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}
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}
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} else {
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header("HTTP/1.0 404 not found");
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error(get_string("filenotfound", "error"), "$CFG->wwwroot/course/view.php?id=$courseid");
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}
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exit;
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?>
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