cloud_bbb/lib/Controller/JoinController.php

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<?php
namespace OCA\BigBlueButton\Controller;
use OCP\AppFramework\Http\RedirectResponse;
use OCP\AppFramework\PublicShareController;
use OCP\IRequest;
use OCP\ISession;
use OCP\IUserSession;
use OCP\IConfig;
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use OCP\IURLGenerator;
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use OCA\BigBlueButton\Service\RoomService;
use BigBlueButton\BigBlueButton;
use BigBlueButton\Parameters\CreateMeetingParameters;
use BigBlueButton\Parameters\JoinMeetingParameters;
use OCP\AppFramework\Http\TemplateResponse;
class JoinController extends PublicShareController
{
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/** @var RoomService */
private $service;
/** @var IUserSession */
private $userSession;
/** @var IConfig */
private $config;
/** @var IURLGenerator */
private $urlGenerator;
public function __construct(
string $appName,
IRequest $request,
ISession $session,
RoomService $service,
IUserSession $userSession,
IConfig $config,
IURLGenerator $urlGenerator
) {
parent::__construct($appName, $request, $session);
$this->service = $service;
$this->userSession = $userSession;
$this->config = $config;
$this->urlGenerator = $urlGenerator;
}
protected function getPasswordHash(): string
{
return '';
}
/**
* Validate the token of this share. If the token is invalid this controller
* will return a 404.
*/
public function isValidToken(): bool
{
$room = $this->service->findByUid($this->getToken());
return $room !== null;
}
/**
* Allows you to specify if this share is password protected
*/
protected function isPasswordProtected(): bool
{
return false;
}
/**
* @PublicPage
* @NoCSRFRequired
*/
public function index($displayname, $u, $filename)
{
$room = $this->service->findByUid($this->getToken());
if ($room === null) {
return 'Room not found';
}
$uid = null;
$url = null;
if ($this->userSession->isLoggedIn()) {
$user = $this->userSession->getUser();
$displayname = $user->getDisplayName();
$uid = $user->getUID();
$url = $u;
} elseif (empty($displayname) || strlen($displayname) < 3) {
$apiUrl = $this->config->getAppValue($this->appName, 'api.url');
$response = new TemplateResponse($this->appName, 'publicdisplayname', [
'wrongdisplayname' => !empty($displayname) && strlen($displayname) < 3
], 'guest');
$parsedApiUrl = parse_url($apiUrl);
if ($parsedApiUrl === false) {
throw new \Exception('No valid api url provided');
}
$response->getContentSecurityPolicy()->addAllowedFormActionDomain(($parsedApiUrl['scheme'] ?: 'https') . '://' . $parsedApiUrl['host']);
return $response;
}
return $this->processPublicJoin($room, $displayname, $uid, $url, $filename);
}
private function processPublicJoin($room, $displayname, $uid, $presentation, $filename)
{
$apiUrl = $this->config->getAppValue($this->appName, 'api.url');
$secret = $this->config->getAppValue($this->appName, 'api.secret');
$bbb = new BigBlueButton($apiUrl, $secret);
$createMeetingParams = new CreateMeetingParameters($room->uid, $room->name);
$createMeetingParams->setAttendeePassword($room->attendeePassword);
$createMeetingParams->setModeratorPassword($room->moderatorPassword);
$createMeetingParams->setRecord($room->record);
$createMeetingParams->setLogoutUrl($this->urlGenerator->getBaseUrl());
$invitationUrl = $this->urlGenerator->getAbsoluteURL($this->request->getPathInfo());
$createMeetingParams->setModeratorOnlyMessage('To invite someone to the meeting, send them this link: ' . $invitationUrl);
if (!empty($room->welcome)) {
$createMeetingParams->setWelcomeMessage($room->welcome);
}
if ($room->maxParticipants > 0) {
$createMeetingParams->setMaxParticipants($room->maxParticipants);
}
if ($presentation) {
$createMeetingParams->addPresentation($presentation, null, $filename);
}
try {
$response = $bbb->createMeeting($createMeetingParams);
} catch (\Exception $e) {
throw $e;
throw new \Exception('Can not process create request');
}
if ($response->failed()) {
throw new \Exception('Can not create meeting');
}
$password = $uid === $room->userId ? $room->moderatorPassword : $room->attendeePassword;
$joinMeetingParams = new JoinMeetingParameters($room->uid, $displayname, $password);
$joinMeetingParams->setCreationTime($response->getCreationTime());
$joinMeetingParams->setJoinViaHtml5(true);
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if ($uid) {
$joinMeetingParams->setUserId($uid);
// $joinMeetingParams->setAvatarURL();
}
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$joinMeetingParams->setRedirect(true);
$joinUrl = $bbb->getJoinMeetingURL($joinMeetingParams);
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return new RedirectResponse($joinUrl);
}
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}