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MeetController.php
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MeetController.php
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<?php
namespace App\Http\Controllers\API\V4;
use App\Http\Controllers\Controller;
use App\Meet\Room;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
class MeetController extends Controller
{
/**
* Join the room session. Each room has one owner, and the room isn't open until the owner
* joins (and effectively creates the session).
*
* @param string $id Room identifier (name)
*
* @return \Illuminate\Http\JsonResponse
*/
public function joinRoom($id)
{
$room = Room::where('name', $id)->first();
// Room does not exist, or the owner is deleted
if (!$room || !($wallet = $room->wallet()) || !$wallet->owner || $wallet->owner->isDegraded(true)) {
return $this->errorResponse(404, self::trans('meet.room-not-found'));
}
$user = Auth::guard()->user();
$isOwner = $user && (
$user->id == $wallet->owner->id || $room->permissions()->where('user', $user->email)->exists()
);
$init = !empty(request()->input('init'));
// There's no existing session
if (!$room->hasSession()) {
// Participants can't join the room until the session is created by the owner
if (!$isOwner) {
return $this->errorResponse(422, self::trans('meet.session-not-found'), ['code' => 323]);
}
// The room owner can create the session on request
if (!$init) {
return $this->errorResponse(422, self::trans('meet.session-not-found'), ['code' => 324]);
}
$session = $room->createSession();
if (empty($session)) {
return $this->errorResponse(500, self::trans('meet.session-create-error'));
}
}
$settings = $room->getSettings(['locked', 'nomedia', 'password']);
$password = (string) $settings['password'];
$config = [
'locked' => $settings['locked'] === 'true',
'nomedia' => $settings['nomedia'] === 'true',
'password' => $isOwner ? $password : '',
'requires_password' => !$isOwner && strlen($password),
];
$response = ['config' => $config];
// Validate room password
if (!$isOwner && strlen($password)) {
$request_password = request()->input('password');
if ($request_password !== $password) {
$response['code'] = 325;
return $this->errorResponse(422, self::trans('meet.session-password-error'), $response);
}
}
// Handle locked room
if (!$isOwner && $config['locked']) {
$nickname = request()->input('nickname');
$picture = request()->input('picture');
$requestId = request()->input('requestId');
$request = $requestId ? $room->requestGet($requestId) : null;
$error = self::trans('meet.session-room-locked-error');
// Request already has been processed (not accepted yet, but it could be denied)
if (empty($request['status']) || $request['status'] != Room::REQUEST_ACCEPTED) {
if (!$request) {
if (empty($nickname) || empty($requestId) || !preg_match('/^[a-z0-9]{8,32}$/i', $requestId)) {
return $this->errorResponse(422, $error, $response + ['code' => 326]);
}
if (empty($picture)) {
$svg = file_get_contents(resource_path('images/user.svg'));
$picture = 'data:image/svg+xml;base64,' . base64_encode($svg);
} elseif (!preg_match('|^data:image/png;base64,[a-zA-Z0-9=+/]+$|', $picture)) {
return $this->errorResponse(422, $error, $response + ['code' => 326]);
}
// TODO: Resize when big/make safe the user picture?
$request = ['nickname' => $nickname, 'requestId' => $requestId, 'picture' => $picture];
if (!$room->requestSave($requestId, $request)) {
// FIXME: should we use error code 500?
return $this->errorResponse(422, $error, $response + ['code' => 326]);
}
// Send the request (signal) to all moderators
$result = $room->signal('joinRequest', $request, Room::ROLE_MODERATOR);
}
return $this->errorResponse(422, $error, $response + ['code' => 327]);
}
}
// Initialize connection tokens
if ($init) {
// Choose the connection role
$canPublish = !empty(request()->input('canPublish')) && (empty($config['nomedia']) || $isOwner);
$role = $canPublish ? Room::ROLE_PUBLISHER : Room::ROLE_SUBSCRIBER;
if ($isOwner) {
$role |= Room::ROLE_MODERATOR;
$role |= Room::ROLE_OWNER;
}
// Create session token for the current user/connection
$response = $room->getSessionToken($role);
if (empty($response)) {
return $this->errorResponse(500, self::trans('meet.session-join-error'));
}
$response_code = 200;
$response['role'] = $role;
$response['config'] = $config;
} else {
$response_code = 422;
$response['code'] = 322;
}
return response()->json($response, $response_code);
}
/**
* Webhook as triggered from the Meet server
*
* @param \Illuminate\Http\Request $request The API request.
*
* @return \Illuminate\Http\Response The response
*/
public function webhook(Request $request)
{
\Log::debug($request->getContent());
// Authenticate the request
if ($request->headers->get('X-Auth-Token') != \config('meet.webhook_token')) {
return response('Unauthorized', 403);
}
$sessionId = (string) $request->input('roomId');
$event = (string) $request->input('event');
switch ($event) {
case 'roomClosed':
// When all participants left the room the server will dispatch roomClosed
// event. We'll remove the session reference from the database.
$room = Room::where('session_id', $sessionId)->first();
if ($room) {
$room->session_id = null;
$room->save();
}
break;
case 'joinRequestAccepted':
case 'joinRequestDenied':
$room = Room::where('session_id', $sessionId)->first();
if ($room) {
$method = $event == 'joinRequestAccepted' ? 'requestAccept' : 'requestDeny';
$room->{$method}($request->input('requestId'));
}
break;
}
return response('Success', 200);
}
}

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