$cloneid = optional_param('clone', 0, PARAM_INT);
if ($cloneid) {
$pageparams['clone'] = $cloneid;
}
// Construct discussion variable (will check id is valid)
// Retrieve new copy of discussion from database, but store it in cache
// for further use.
$discussion = mod_forumng_discussion::get_from_id($discussionid, $cloneid, 0, false, true);
$forum = $discussion->get_forum();
$course = $forum->get_course();
$cm = $forum->get_course_module();
$context = $forum->get_context();
$draftid = optional_param('draft', 0, PARAM_INT);
if ($draftid) {
$pageparams['draft'] = $draftid;
$draft = mod_forumng_draft::get_from_id($draftid);
if (!$draft->is_reply() || $draft->get_discussion_id() != $discussionid) {
print_error('draft_mismatch', 'forumng', $forum->get_url(mod_forumng::PARAM_HTML));
}
$root = $discussion->get_root_post();
$inreplyto = $root->find_child($draft->get_parent_post_id(), false);
if (!$inreplyto || !$inreplyto->can_reply($whynot) || !$discussion->can_view()) {
if (!$whynot) {
$whynot = 'reply_missing';
}
print_error('draft_cannotreply', 'forumng', $forum->get_url(mod_forumng::PARAM_HTML), get_string($whynot, 'forumng'));
}
$inreplyto->force_expand();
}
// Check that discussion can be viewed [Handles all other permissions]
$discussion->require_view();
function mod_forumng_pluginfile($course, $cm, $context, $filearea, $args, $forcedownload)
{
global $CFG, $USER;
require_once $CFG->dirroot . '/mod/forumng/mod_forumng.php';
// Check remaining slash arguments
if (count($args) != 2) {
send_file_not_found();
}
list($itemid, $filename) = $args;
if ($filearea == 'attachment' || $filearea == 'message') {
// Get post object and check permissions
$cloneid = optional_param('clone', 0, PARAM_INT);
$post = mod_forumng_post::get_from_id($itemid, $cloneid);
$post->require_view();
if ($cloneid) {
// File is actually in other context
$context = $post->get_forum()->get_context(true);
}
} else {
if ($filearea == 'draft' || $filearea == 'draftmessage') {
// Get draft object and check it's yours (note: I'm not sure whether it is possible to
// ever access draft attachments in this manner, as while editing, this access is not
// used; maybe from the X view, but I don't think it works there, however perhaps in
// future).
$draft = mod_forumng_draft::get_from_id($itemid);
if ($draft->get_user_id() !== $USER->id) {
send_file_not_found();
}
} else {
send_file_not_found();
}
}
// Get file object and send it
$fs = get_file_storage();
$file = $fs->get_file($context->id, 'mod_forumng', $filearea, $itemid, '/', $filename);
if (!$file || $file->is_directory()) {
send_file_not_found();
}
$lifetime = isset($CFG->filelifetime) ? $CFG->filelifetime : 86400;
send_stored_file($file, $lifetime, 0);
}
