function assignfeedback_onenote_pluginfile()

in lib.php [37:72]

• 26 lines of code
• 6 McCabe index (conditional complexity)

function assignfeedback_onenote_pluginfile($course, $cm, context $context, $filearea, $args, $forcedownload) {
    global $USER, $DB;

    if ($context->contextlevel != CONTEXT_MODULE) {
        return false;
    }

    require_login($course, false, $cm);
    $itemid = (int)array_shift($args);
    $record = $DB->get_record('assign_grades', array('id' => $itemid), 'userid,assignment', MUST_EXIST);
    $userid = $record->userid;

    if (!$assign = $DB->get_record('assign', array('id' => $cm->instance))) {
        return false;
    }

    if ($assign->id != $record->assignment) {
        return false;
    }

    // Check is users feedback or has grading permission.
    if ($USER->id != $userid and !has_capability('mod/assign:grade', $context)) {
        return false;
    }

    $relativepath = implode('/', $args);

    $fullpath = "/{$context->id}/assignfeedback_onenote/$filearea/$itemid/$relativepath";

    $fs = get_file_storage();
    if (!$file = $fs->get_file_by_hash(sha1($fullpath)) or $file->is_directory()) {
        return false;
    }
    // Download MUST be forced - security!
    send_stored_file($file, 0, 0, true);
}