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<?php |
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declare(strict_types=1); |
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namespace MovingImage\Client\VMPro\Manager; |
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use GuzzleHttp\ClientInterface; |
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use MovingImage\Client\VMPro\Entity\ApiCredentials; |
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use MovingImage\Client\VMPro\Entity\Token; |
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use MovingImage\Client\VMPro\Extractor\TokenExtractor; |
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use MovingImage\Client\VMPro\Util\Logging\Traits\LoggerAwareTrait; |
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use Psr\Log\LoggerAwareInterface; |
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class TokenManager implements LoggerAwareInterface |
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{ |
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use LoggerAwareTrait; |
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private ClientInterface $httpClient; |
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protected ApiCredentials $credentials; |
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private TokenExtractor $tokenExtractor; |
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/** |
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* @var Token |
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*/ |
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private $accessToken; |
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/** |
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* @var Token |
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*/ |
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private $refreshToken; |
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public function __construct( |
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ClientInterface $httpClient, |
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ApiCredentials $credentials, |
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TokenExtractor $tokenExtractor |
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) { |
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$this->httpClient = $httpClient; |
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$this->credentials = $credentials; |
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$this->tokenExtractor = $tokenExtractor; |
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} |
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/** |
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* Create completely fresh Access + Refresh tokens. |
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* |
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* @TODO Implement proper error handling |
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*/ |
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protected function createNewTokens(): array |
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{ |
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$logger = $this->getLogger(); |
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$logger->debug('Starting request to create fresh access & refresh tokens'); |
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$body = [ |
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'client_id' => 'anonymous', |
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'grant_type' => 'password', |
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'response_type' => 'token', |
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'scope' => 'openid', |
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'username' => $this->credentials->getUsername(), |
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'password' => $this->credentials->getPassword(), |
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]; |
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$response = $this->sendPostRequest($body); |
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$logger->debug('Successfully retrieved new access & refresh tokens', $response); |
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return [ |
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'accessToken' => new Token( |
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$response['access_token'], |
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$this->tokenExtractor->extract($response['access_token']) |
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), |
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'refreshToken' => new Token( |
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$response['refresh_token'], |
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$this->tokenExtractor->extract($response['refresh_token']) |
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), |
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]; |
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} |
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/** |
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* Create a new access token for a video manager using a refresh token. |
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*/ |
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protected function createAccessTokenFromRefreshToken(Token $refreshToken): Token |
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{ |
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$logger = $this->getLogger(); |
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$logger->debug('Starting request to create fresh access token from refresh token'); |
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$body = [ |
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'client_id' => 'anonymous', |
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'grant_type' => 'refresh_token', |
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'refresh_token' => $refreshToken->getTokenString(), |
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]; |
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$response = $this->sendPostRequest($body); |
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$logger->debug('Successfully retrieved new access token', $response); |
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return new Token( |
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$response['access_token'], |
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$this->tokenExtractor->extract($response['access_token']) |
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); |
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} |
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/** |
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* Log information about which tokens we have. |
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*/ |
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protected function logTokenData(): void |
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{ |
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$this->getLogger()->debug('Token information', [ |
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'accessTokenExists' => isset($this->accessToken), |
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'accessTokenExpiration' => isset($this->accessToken) ? $this->accessToken->getTokenData()['exp'] : null, |
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'accessTokenHasExpired' => isset($this->accessToken) ? $this->accessToken->expired() : null, |
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'refreshTokenExists' => isset($this->refreshToken), |
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'refreshTokenExpiration' => isset($this->refreshToken) ? $this->refreshToken->getTokenData()['exp'] : null, |
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'refreshTokenHasExpired' => isset($this->refreshToken) ? $this->refreshToken->expired() : null, |
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'localTime' => time(), |
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]); |
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} |
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/** |
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* Retrieve a valid token. |
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*/ |
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public function getToken(): string |
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{ |
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$logger = $this->getLogger(); |
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$this->logTokenData(); |
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// Access token has expired, but expiration token has not expired. |
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// Issue ourselves a new access token for the same video manager. |
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if (!is_null($this->accessToken) |
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&& $this->accessToken->expired() |
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&& !is_null($this->refreshToken) |
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&& !$this->refreshToken->expired()) { |
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$logger->info('Access token has expired - getting new one for same video manager with refresh token'); |
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$this->accessToken = $this->createAccessTokenFromRefreshToken($this->refreshToken); |
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} elseif (is_null($this->accessToken) |
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|| (!is_null($this->refreshToken) && $this->refreshToken->expired())) { |
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// Either we have no token, or the refresh token has expired |
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// so we will need to generate completely new tokens |
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$logger->info('No access token, or refresh token has expired - generate completely new ones'); |
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$tokenData = $this->createNewTokens(); |
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$this->accessToken = $tokenData['accessToken']; |
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$this->refreshToken = $tokenData['refreshToken']; |
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} |
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return $this->accessToken->getTokenString(); |
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} |
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/** |
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* Sends a post request to the OAuth endpoint. |
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* |
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* @return mixed |
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*/ |
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private function sendPostRequest(array $body): array |
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{ |
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$response = $this->httpClient->request('POST', '', [ |
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'form_params' => $body, |
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]); |
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return \json_decode($response->getBody()->getContents(), true); |
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} |
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} |
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MovingImage24 /
VMProApiClient
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