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8adcb49f8e
Discussion and post forum feeds supported. Integrated in cron system. Some strings missing. Test, test, test...
76 lines
2.4 KiB
PHP
76 lines
2.4 KiB
PHP
<?PHP //$Id
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//This file returns the required rss feeds
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//The URL format MUST include:
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// course: the course id
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// user: the user id
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// name: the name of the module (forum...)
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// id: the id of the module (forumid...)
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//If the course has a password or it doesn't
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//allow guest access then the user field is
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//required to see that the user is enrolled
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//in the course, else no check is performed.
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//This allows to limit a bit the rss access
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//to correct users. It isn't unbreakable,
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//obviously, but its the best I've thought!!
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require_once("../config.php");
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require_once("$CFG->dirroot/files/mimetypes.php");
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$allowed = true;
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$error = false;
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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 = true;
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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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$error = true;
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}
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$numargs = count($args);
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if ($numargs < 5 or empty($args[1])) {
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$error = true;
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}
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$courseid = (integer)$args[0];
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if (! $course = get_record("course", "id", $courseid)) {
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$error = true;
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}
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//Check for "security" if !course->guest or course->password
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if (!$course->guest || $course->password) {
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$allowed = (isstudent($course->id,$args[1]) || isteacher($course->id,$args[1]));
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}
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$pathname = $CFG->dataroot."/rss/".$args[2]."/".$args[3].".xml";
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$filename = $args[$numargs-1];
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//If the file exists and its allowed for me, download it!
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if (file_exists($pathname) && $allowed && !$error) {
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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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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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