Defined (1)

The class is defined in the following location(s).

/google-api-php-client/src/auth/Google_AssertionCredentials.php  

class Google_AssertionCredentials { 
  const MAX_TOKEN_LIFETIME_SECS = 3600; 
 
  public $serviceAccountName; 
  public $scopes; 
  public $privateKey; 
  public $privateKeyPassword; 
  public $assertionType; 
  public $sub; 
  /** 
   * @deprecated 
   * @link http://tools.ietf.org/html/draft-ietf-oauth-json-web-token-06 
   */ 
  public $prn; 
 
  /** 
   * @param $serviceAccountName 
   * @param $scopes array List of scopes 
   * @param $privateKey 
   * @param string $privateKeyPassword 
   * @param string $assertionType 
   * @param bool|string $sub The email address of the user for which the 
   *               application is requesting delegated access. 
   */ 
  public function __construct( 
      $serviceAccountName,  
      $scopes,  
      $privateKey,  
      $privateKeyPassword = 'notasecret',  
      $assertionType = 'http://oauth.net/grant_type/jwt/1.0/bearer',  
      $sub = false) { 
    $this->serviceAccountName = $serviceAccountName; 
    $this->scopes = is_string($scopes) ? $scopes : implode(' ', $scopes); 
    $this->privateKey = $privateKey; 
    $this->privateKeyPassword = $privateKeyPassword; 
    $this->assertionType = $assertionType; 
    $this->sub = $sub; 
    $this->prn = $sub; 
  } 
 
  public function generateAssertion() { 
    $now = time(); 
 
    $jwtParams = array( 
          'aud' => Google_OAuth2::OAUTH2_TOKEN_URI,  
          'scope' => $this->scopes,  
          'iat' => $now,  
          'exp' => $now + self::MAX_TOKEN_LIFETIME_SECS,  
          'iss' => $this->serviceAccountName,  
 ); 
 
    if ($this->sub !== false) { 
      $jwtParams['sub'] = $this->sub; 
    } else if ($this->prn !== false) { 
      $jwtParams['prn'] = $this->prn; 
    } 
 
    return $this->makeSignedJwt($jwtParams); 
  } 
 
  /** 
   * Creates a signed JWT. 
   * @param array $payload 
   * @return string The signed JWT. 
   */ 
  private function makeSignedJwt($payload) { 
    $header = array('typ' => 'JWT', 'alg' => 'RS256'); 
 
    $segments = array( 
      Google_Utils::urlSafeB64Encode(json_encode($header)),  
      Google_Utils::urlSafeB64Encode(json_encode($payload)) 
 ); 
 
    $signingInput = implode('.', $segments); 
    $signer = new Google_P12Signer($this->privateKey, $this->privateKeyPassword); 
    $signature = $signer->sign($signingInput); 
    $segments[] = Google_Utils::urlSafeB64Encode($signature); 
 
    return implode(".", $segments); 
  } 
}