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<?php |
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namespace SquareetLabs\LaravelOpenVidu; |
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use Exception; |
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use GuzzleHttp\Client; |
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use GuzzleHttp\RequestOptions; |
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use Illuminate\Support\Facades\Cache; |
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use JsonSerializable; |
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use SquareetLabs\LaravelOpenVidu\Builders\ConnectionBuilder; |
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use SquareetLabs\LaravelOpenVidu\Builders\PublisherBuilder; |
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use SquareetLabs\LaravelOpenVidu\Builders\SessionPropertiesBuilder; |
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use SquareetLabs\LaravelOpenVidu\Builders\SubscriberBuilder; |
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use SquareetLabs\LaravelOpenVidu\Enums\MediaMode; |
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use SquareetLabs\LaravelOpenVidu\Enums\OpenViduRole; |
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use SquareetLabs\LaravelOpenVidu\Enums\OutputMode; |
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use SquareetLabs\LaravelOpenVidu\Enums\RecordingLayout; |
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use SquareetLabs\LaravelOpenVidu\Enums\RecordingMode; |
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use SquareetLabs\LaravelOpenVidu\Enums\Uri; |
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use SquareetLabs\LaravelOpenVidu\Exceptions\OpenViduConnectionNotFoundException; |
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use SquareetLabs\LaravelOpenVidu\Exceptions\OpenViduException; |
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use SquareetLabs\LaravelOpenVidu\Exceptions\OpenViduProblemWithBodyParameterException; |
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use SquareetLabs\LaravelOpenVidu\Exceptions\OpenViduSessionNotFoundException; |
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use SquareetLabs\LaravelOpenVidu\Exceptions\OpenViduStreamCantCloseException; |
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use SquareetLabs\LaravelOpenVidu\Exceptions\OpenViduTokenCantCreateException; |
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/** |
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* Class Session |
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* @package SquareetLabs\LaravelOpenVidu |
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*/ |
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class Session implements JsonSerializable |
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{ |
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/** @var Client */ |
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private $client; |
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/** @var string */ |
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private $sessionId; |
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/** @var SessionProperties */ |
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private $properties; |
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/** @var bool */ |
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private $recording; |
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/** @var string */ |
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private $lastRecordingId; |
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/** @var array */ |
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private $activeConnections = []; |
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/** @var int */ |
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private $createdAt; |
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/** |
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* Session constructor. |
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* @param Client $client |
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* @param SessionProperties|null $properties |
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* @throws OpenViduException |
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*/ |
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public function __construct(Client $client, ?SessionProperties $properties = null) |
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{ |
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$this->client = $client; |
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$this->properties = $properties ? $properties : new SessionProperties(MediaMode::ROUTED, RecordingMode::MANUAL, OutputMode::COMPOSED, RecordingLayout::BEST_FIT); |
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$this->sessionId = $this->getSessionId(); |
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} |
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/** |
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* @return string |
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* @throws OpenViduException |
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*/ |
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public function getSessionId() |
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{ |
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if (empty($this->sessionId)) { |
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$response = $this->client->post(Uri::SESSION_URI, [ |
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RequestOptions::JSON => $this->properties->toArray() |
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]); |
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switch ($response->getStatusCode()) { |
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case 200: |
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return json_decode($response->getBody()->getContents())->id; |
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case 400: |
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throw new OpenViduProblemWithBodyParameterException(); |
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case 409: |
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return $this->properties->getCustomSessionId(); |
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default: |
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throw new OpenViduException("Invalid response status code ".$response->getStatusCode(), $response->getStatusCode()); |
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} |
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} else { |
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return $this->sessionId; |
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} |
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} |
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/** |
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** Gets a new token associated to Session object with default values for |
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* {@see TokenOptions}. This always translates into a |
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* new request to OpenVidu Server |
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* |
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* @param TokenOptions|null $tokenOptions |
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* @return string The generated token |
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* @throws OpenViduException |
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*/ |
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public function generateToken(?TokenOptions $tokenOptions = null) |
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{ |
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$this->getSessionId(); |
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try { |
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if (!$tokenOptions) { |
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$tokenOptions = new TokenOptions(OpenViduRole::PUBLISHER); |
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} |
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$response = $this->client->post(Uri::TOKEN_URI, [ |
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RequestOptions::JSON => array_merge($tokenOptions->toArray(), ['session' => $this->sessionId]) |
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]); |
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switch ($response->getStatusCode()) { |
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case 200: |
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return json_decode($response->getBody()->getContents()); |
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case 400: |
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throw new OpenViduProblemWithBodyParameterException(); |
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case 404: |
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throw new OpenViduSessionNotFoundException(); |
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default: |
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throw new OpenViduException("Invalid response status code ".$response->getStatusCode(), $response->getStatusCode()); |
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} |
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} catch (Exception $e) { |
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throw new OpenViduTokenCantCreateException($e->getMessage(), $e); |
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} |
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} |
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/** |
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* Gracefully closes the Session: unpublishes all streams and evicts every |
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* participant |
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* @throws OpenViduException |
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*/ |
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public function close() |
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{ |
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$response = $this->client->delete(Uri::SESSION_URI.'/'.$this->sessionId); |
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switch ($response->getStatusCode()) { |
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case 204: |
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Cache::store('openvidu')->forget($this->sessionId); |
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return true; |
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case 404: |
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throw new OpenViduSessionNotFoundException(); |
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default: |
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throw new OpenViduException("Invalid response status code ".$response->getStatusCode(), $response->getStatusCode()); |
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} |
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} |
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/** |
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* Updates every property of the Session with the current status it has in |
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* OpenVidu Server. This is especially useful for getting the list of active |
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* connections to the Session |
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* ({@see getActiveConnections()}) and use |
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* those values to call |
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* {@see forceDisconnect(Connection)} or |
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* {@link forceUnpublish(Publisher)}. <br> |
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* |
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* To update every Session object owned by OpenVidu object, call |
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* {@see fetch()} |
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* |
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* @return bool true if the Session status has changed with respect to the server, |
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* false if not. This applies to any property or sub-property of the object |
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*/ |
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public function fetch() |
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{ |
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$response = $this->client->get(Uri::SESSION_URI.'/'.$this->sessionId, [ |
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'headers' => [ |
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'Content-Type' => 'application/x-www-form-urlencoded', |
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'Accept' => 'application/json', |
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] |
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]); |
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if ($response->getStatusCode() === 200) { |
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$beforeJSON = $this->toJson(); |
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$this->fromJson($response->getBody()->getContents()); |
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$afterJSON = $this->toJson(); |
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if ($beforeJSON !== $afterJSON) { |
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Cache::store('openvidu')->update($this->sessionId, $this->toJson()); |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Convert the model instance to JSON. |
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* |
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* @param int $options |
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* @return string |
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* |
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*/ |
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public function toJson($options = 0): string |
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{ |
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$json = json_encode($this->jsonSerialize(), $options); |
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return $json; |
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} |
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/** |
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* Specify data which should be serialized to JSON |
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* @link https://php.net/manual/en/jsonserializable.jsonserialize.php |
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* @return mixed data which can be serialized by <b>json_encode</b>, |
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* which is a value of any type other than a resource. |
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* @since 5.4.0 |
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*/ |
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public function jsonSerialize() |
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{ |
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return $this->toArray(); |
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} |
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/** |
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* Convert the model instance to an array. |
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* |
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* @return array |
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*/ |
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public function toArray(): array |
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{ |
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$array = ['sessionId' => $this->sessionId, 'properties' => $this->properties->toArray(), 'recording' => $this->recording, 'createdAt' => $this->createdAt]; |
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foreach ($this->activeConnections as $connection) { |
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$array['activeConnections'][] = $connection->toArray(); |
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} |
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foreach ($array as $key => $value) { |
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if (is_null($value) || $value == '') { |
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unset($array[$key]); |
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} |
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} |
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return $array; |
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} |
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/** |
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* @param string $json |
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* @return Session |
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*/ |
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public function fromJson(string $json): Session |
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{ |
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return $this->fromArray(json_decode($json, true)); |
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} |
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/** |
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* @param array $sessionArray |
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* @return Session |
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*/ |
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public function fromArray(array $sessionArray): Session |
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{ |
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$this->sessionId = $sessionArray['sessionId']; |
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$this->createdAt = $sessionArray['createdAt'] ?? null; |
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$this->recording = $sessionArray['recording'] ?? null; |
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if (array_key_exists('properties', $sessionArray)) { |
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$this->properties = SessionPropertiesBuilder::build($sessionArray['properties']); |
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} |
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$this->activeConnections = []; |
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if (array_key_exists('connections', $sessionArray)) { |
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foreach ($sessionArray['connections']['content'] as $connection) { |
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$publishers = []; |
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$ensure = $connection['content'] ?? $connection; |
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foreach ($ensure['publishers'] as $publisher) { |
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$publishers[] = PublisherBuilder::build($publisher); |
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} |
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$subscribers = []; |
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foreach ($ensure['subscribers'] as $subscriber) { |
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$subscribers[] = SubscriberBuilder::build($subscriber); |
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} |
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$this->activeConnections[] = ConnectionBuilder::build($ensure, $publishers, $subscribers); |
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} |
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} |
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return $this; |
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} |
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/** |
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* Forces the user with Connection `connectionId` to leave the session. OpenVidu Browser will trigger the proper events on the client-side |
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* (`streamDestroyed`, `connectionDestroyed`, `sessionDisconnected`) with reason set to `"forceDisconnectByServer"` |
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* |
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* |
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* @param string $connectionId |
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* @throws OpenViduException |
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*/ |
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public function forceDisconnect(string $connectionId) |
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{ |
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$response = $this->client->delete(Uri::SESSION_URI.'/'.$this->sessionId.'/connection/'.$connectionId, [ |
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'headers' => [ |
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'Content-Type' => 'application/x-www-form-urlencoded', |
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'Accept' => 'application/json', |
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] |
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]); |
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switch ($response->getStatusCode()) { |
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case 204: |
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$this->leaveSession($connectionId); |
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Cache::store('openvidu')->update($this->sessionId, $this->toJson()); |
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break; |
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case 400: |
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throw new OpenViduSessionNotFoundException(); |
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case 404: |
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throw new OpenViduConnectionNotFoundException(); |
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default: |
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throw new OpenViduException("Invalid response status code ".$response->getStatusCode(), $response->getStatusCode()); |
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} |
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} |
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/** |
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* Get `connection` parameter from activeConnections array {@see Connection::getConnectionId()} for getting each `connectionId` property). |
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* Remember to call {@see fetch()} before to fetch the current actual properties of the Session from OpenVidu Server |
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* @param string $connectionId |
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*/ |
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private function leaveSession(string $connectionId) |
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{ |
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$connectionClosed = null; |
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$this->activeConnections = array_filter($this->activeConnections, function (Connection $connection) use (&$connectionClosed, $connectionId) { |
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if ($connection->getConnectionId() !== $connectionId) { |
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return true; |
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} |
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$connectionClosed = $connection; |
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return false; |
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}); |
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if ($connectionClosed != null) { |
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foreach ($connectionClosed->getPublishers() as $publisher) { |
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foreach ($this->activeConnections as $con) { |
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$con->unsubscribe($publisher->getStreamId()); |
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} |
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} |
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} |
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} |
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/** |
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* Allows publish a Stream (For now can only be IPCAM). |
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* Remember to call |
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* {@see fetch()} before to fetch the current |
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* actual properties of the Session from OpenVidu Server |
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* |
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* @param IPCameraOptions $IPCameraOptions |
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* @return Connection |
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* @throws OpenViduException |
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* @throws OpenViduSessionNotFoundException |
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*/ |
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public function publish(IPCameraOptions $IPCameraOptions) |
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{ |
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$response = $this->client->post(Uri::SESSION_URI.'/'.$this->sessionId.'/connection', [ |
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RequestOptions::JSON => array_merge($IPCameraOptions->toArray()) |
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]); |
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switch ($response->getStatusCode()) { |
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case 200: |
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return json_decode($response->getBody()->getContents()); |
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case 400: |
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throw new OpenViduProblemWithBodyParameterException(); |
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case 404: |
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throw new OpenViduSessionNotFoundException(); |
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default: |
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throw new OpenViduException("Unexpected error when publishing the IP camera stream into the session."); |
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} |
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} |
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/** |
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* Forces some user to unpublish a Stream. OpenVidu Browser will trigger the |
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* proper events on the client-side (<code>streamDestroyed</code>) with reason |
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* set to "forceUnpublishByServer". <br> |
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* |
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* You can get <code>streamId</code> parameter with |
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* {@see Session::getActiveConnections()} and then for |
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* each Connection you can call |
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|
|
* {@see Connection::getPublishers()}. Finally |
361
|
|
|
* {@see Publisher::getStreamId()}) will give you the |
362
|
|
|
* <code>streamId</code>. Remember to call |
363
|
|
|
* {@see fetch()} before to fetch the current |
364
|
|
|
* actual properties of the Session from OpenVidu Server |
365
|
|
|
* |
366
|
|
|
* @param string $streamId |
367
|
|
|
* @return void |
368
|
|
|
* @throws OpenViduConnectionNotFoundException |
369
|
|
|
* @throws OpenViduException |
370
|
|
|
* @throws OpenViduSessionNotFoundException |
371
|
|
|
*/ |
372
|
|
|
public function forceUnpublish(string $streamId) |
373
|
|
|
{ |
374
|
|
|
$response = $this->client->delete(Uri::SESSION_URI.'/'.$this->sessionId.'/stream/'.$streamId, [ |
375
|
|
|
'headers' => [ |
376
|
|
|
'Content-Type' => 'application/x-www-form-urlencoded', |
377
|
|
|
'Accept' => 'application/json', |
378
|
|
|
] |
379
|
|
|
]); |
380
|
|
|
switch ($response->getStatusCode()) { |
381
|
|
|
case 204: |
382
|
|
|
foreach ($this->activeConnections as $connection) { |
383
|
|
|
$connection->unpublish($streamId); |
384
|
|
|
$connection->unsubscribe($streamId); |
385
|
|
|
} |
386
|
|
|
Cache::store('openvidu')->update($this->sessionId, $this->toJson()); |
387
|
|
|
break; |
388
|
|
|
case 400: |
389
|
|
|
throw new OpenViduSessionNotFoundException(); |
390
|
|
|
case 404: |
391
|
|
|
throw new OpenViduConnectionNotFoundException(); |
392
|
|
|
case 405: |
393
|
|
|
throw new OpenViduStreamCantCloseException("You cannot directly delete the stream of an IPCAM participant"); |
394
|
|
|
default: |
395
|
|
|
throw new OpenViduException("Invalid response status code ".$response->getStatusCode(), $response->getStatusCode()); |
396
|
|
|
} |
397
|
|
|
} |
398
|
|
|
|
399
|
|
|
/** |
400
|
|
|
* Returns the list of active connections to the session. <strong>This value |
401
|
|
|
* will remain unchanged since the last time method |
402
|
|
|
* {@see fetch()} was called</strong>. |
403
|
|
|
* Exceptions to this rule are: |
404
|
|
|
* <ul> |
405
|
|
|
* <li>Calling {@see Session::forceUnpublish(string)} |
406
|
|
|
* updates each affected Connection status</li> |
407
|
|
|
* <li>Calling {@see Session::forceDisconnect(string)} |
408
|
|
|
* updates each affected Connection status</li> |
409
|
|
|
* </ul> |
410
|
|
|
* <br> |
411
|
|
|
* To get the list of active connections with their current actual value, you |
412
|
|
|
* must call first {@see Session::fetch()} and then |
413
|
|
|
* {@see Session::getActiveConnections()} |
414
|
|
|
*/ |
415
|
|
|
public function getActiveConnections(): array |
416
|
|
|
{ |
417
|
|
|
return $this->activeConnections; |
418
|
|
|
} |
419
|
|
|
|
420
|
|
|
/** |
421
|
|
|
* Returns whether the session is being recorded or not |
422
|
|
|
*/ |
423
|
|
|
public function isBeingRecorded(): bool |
424
|
|
|
{ |
425
|
|
|
return !!$this->recording; |
426
|
|
|
} |
427
|
|
|
|
428
|
|
|
/** |
429
|
|
|
* Set value |
430
|
|
|
* @param bool $recording |
431
|
|
|
*/ |
432
|
|
|
public function setIsBeingRecorded(bool $recording) |
433
|
|
|
{ |
434
|
|
|
$this->recording = $recording; |
435
|
|
|
Cache::store('openvidu')->update($this->sessionId, $this->toJson()); |
436
|
|
|
} |
437
|
|
|
|
438
|
|
|
public function getLastRecordingId() |
439
|
|
|
{ |
440
|
|
|
return $this->lastRecordingId; |
441
|
|
|
} |
442
|
|
|
|
443
|
|
|
public function setLastRecordingId(string $lastRecordingId) |
444
|
|
|
{ |
445
|
|
|
$this->lastRecordingId = $lastRecordingId; |
446
|
|
|
Cache::store('openvidu')->update($this->sessionId, $this->toJson()); |
447
|
|
|
} |
448
|
|
|
|
449
|
|
|
/** |
450
|
|
|
* @return string |
451
|
|
|
* @throws OpenViduException |
452
|
|
|
*/ |
453
|
|
|
public function __toString(): string |
454
|
|
|
{ |
455
|
|
|
return $this->getSessionId(); |
456
|
|
|
} |
457
|
|
|
} |
458
|
|
|
|