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<?php |
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namespace Quantum\Libraries\Storage\Adapters\GoogleDrive; |
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use Quantum\Exceptions\AppException; |
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use Quantum\Exceptions\CryptorException; |
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use Quantum\Exceptions\DatabaseException; |
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use Quantum\Libraries\Curl\HttpClient; |
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use Exception; |
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class GoogleDriveApp |
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{ |
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/** |
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* Authorization URL |
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*/ |
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const AUTH_URL = 'https://accounts.google.com/o/oauth2/v2/auth'; |
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/** |
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* Authorization scope |
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*/ |
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const AUTH_SCOPE = 'https://www.googleapis.com/auth/drive'; |
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/** |
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* Token URL |
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*/ |
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const AUTH_TOKEN_URL = 'https://oauth2.googleapis.com/token'; |
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/** |
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* URL for file metadata operations |
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*/ |
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const FILE_METADATA_URL = 'https://www.googleapis.com/drive/v3/files'; |
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/** |
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* URL for file media operations |
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*/ |
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const FILE_MEDIA_URL = 'https://www.googleapis.com/upload/drive/v3/files'; |
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/** |
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* Folder mimetype |
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*/ |
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const FOLDER_MIMETYPE = 'application/vnd.google-apps.folder'; |
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/** |
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* Kind/Type of drive file |
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*/ |
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const DRIVE_FILE_KIND = 'drive#file'; |
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/** |
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* Error code for invalid token |
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*/ |
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const INVALID_TOKEN_ERROR_CODE = 401; |
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/** |
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* @var HttpClient |
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*/ |
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private $httpClient; |
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/** |
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* @var string |
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*/ |
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private $appKey; |
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/** |
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* @var string |
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*/ |
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private $appSecret; |
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/** |
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* @var TokenServiceInterface |
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*/ |
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private $tokenService; |
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/** |
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* GoogleDriveApp constructor |
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* @param string $appKey |
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* @param string $appSecret |
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* @param TokenServiceInterface $tokenService |
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* @param HttpClient $httpClient |
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*/ |
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public function __construct(string $appKey, string $appSecret, TokenServiceInterface $tokenService, HttpClient $httpClient) |
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{ |
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$this->appKey = $appKey; |
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$this->appSecret = $appSecret; |
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$this->tokenService = $tokenService; |
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$this->httpClient = $httpClient; |
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} |
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/** |
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* Gets Auth URL |
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* @param string $redirectUrl |
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* @param string $accessType |
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* @return string |
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* @throws AppException |
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* @throws CryptorException |
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* @throws DatabaseException |
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*/ |
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public function getAuthUrl(string $redirectUrl, string $accessType = "offline"): string |
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{ |
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$params = [ |
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'client_id' => $this->appKey, |
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'response_type' => 'code', |
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'state' => csrf_token(), |
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'scope' => self::AUTH_SCOPE, |
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'redirect_uri' => $redirectUrl, |
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'access_type' => $accessType, |
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]; |
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return self::AUTH_URL . '?' . http_build_query($params, '', '&'); |
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} |
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/** |
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* Fetch tokens |
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* @param string $code |
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* @param string $redirectUrl |
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* @param bool $byRefresh |
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* @return object|null |
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* @throws Exception |
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*/ |
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public function fetchTokens(string $code, string $redirectUrl = ''): ?object |
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{ |
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$params = [ |
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'code' => $code, |
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'grant_type' => 'authorization_code', |
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'client_id' => $this->appKey, |
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'client_secret' => $this->appSecret, |
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'redirect_uri' => $redirectUrl |
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]; |
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$response = $this->sendRequest(self::AUTH_TOKEN_URL, $params); |
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$this->tokenService->saveTokens($response->access_token, $response->refresh_token); |
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return $response; |
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} |
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/** |
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* Fetches the access token by refresh token |
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* @param string $refreshToken |
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* @return string |
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* @throws Exception |
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*/ |
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private function fetchAccessTokenByRefreshToken(string $refreshToken): string |
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{ |
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$params = [ |
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'refresh_token' => $refreshToken, |
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'grant_type' => 'refresh_token', |
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'client_id' => $this->appKey, |
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'client_secret' => $this->appSecret |
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]; |
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$response = $this->sendRequest(self::AUTH_TOKEN_URL, $params); |
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$this->tokenService->saveTokens($response->access_token); |
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return $response->access_token; |
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} |
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/** |
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* Sends rpc request |
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* @param string $uri |
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* @param mixed|null $data |
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* @param array $headers |
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* @param string $method |
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* @return mixed|null |
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* @throws Exception |
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*/ |
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public function sendRequest(string $uri, $data = null, array $headers = [], string $method = 'POST') |
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{ |
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$this->httpClient |
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->createRequest($uri) |
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->setMethod($method) |
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->setData($data) |
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->setHeaders($headers) |
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->start(); |
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$responseBody = $this->httpClient->getResponseBody(); |
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if ($errors = $this->httpClient->getErrors()) { |
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$code = $errors['code']; |
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if ($this->accessTokenNeedsRefresh($code)) { |
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$prevUrl = $this->httpClient->url(); |
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$prevData = $this->httpClient->getData(); |
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$prevHeaders = $this->httpClient->getRequestHeaders(); |
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$refreshToken = $this->tokenService->getRefreshToken(); |
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$accessToken = $this->fetchAccessTokenByRefreshToken($refreshToken); |
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$prevHeaders['Authorization'] = 'Bearer ' . $accessToken; |
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$responseBody = $this->sendRequest($prevUrl, $prevData, $prevHeaders); |
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} else { |
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throw new Exception(json_encode($responseBody ?? $errors), E_ERROR); |
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} |
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} |
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return $responseBody; |
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} |
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/** |
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* Sends rpc request |
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* @param string $url |
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* @param mixed $params |
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* @param string $method |
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* @param string $contentType |
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* @return mixed|null |
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* @throws Exception |
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*/ |
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public function rpcRequest(string $url, $params = [], string $method = 'POST', string $contentType = 'application/json') |
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{ |
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try { |
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$headers = [ |
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'Authorization' => 'Bearer ' . $this->tokenService->getAccessToken(), |
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'Content-Type' => $contentType |
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]; |
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return $this->sendRequest($url, $params, $headers, $method); |
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}catch (Exception $e){ |
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throw new Exception($e->getMessage(), (int)$e->getCode()); |
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} |
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} |
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/** |
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* Gets file information |
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* @param string $fileId |
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* @param bool $media |
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* @param array $params |
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* @return mixed|null |
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* @throws Exception |
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*/ |
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public function getFileInfo(string $fileId, bool $media = false, array $params = []){ |
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$queryParam = $media ? '?alt=media' : '?fields=*'; |
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return $this->rpcRequest(GoogleDriveApp::FILE_METADATA_URL . '/' . $fileId . $queryParam, $params, 'GET'); |
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} |
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/** |
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* Checks if the access token need refresh |
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* @param int $code |
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* @return bool |
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*/ |
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private function accessTokenNeedsRefresh(int $code): bool |
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{ |
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if ($code != 401) { |
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return false; |
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} |
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return true; |
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} |
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} |
softberg /
quantum-php-core
