protected function GetCognitoCredentials()

in php/urlinfo.php [98:154]
45 lines of code
2 McCabe index (conditional complexity)

    protected function GetCognitoCredentials() {

      $this->$idProviderClient = new Aws\CognitoIdentityProvider\CognitoIdentityProviderClient([
         'version' => '2016-04-18',
         'region' => self::$Region,
         'credentials' => false,
       ]);

       echo "Password: ";
       $this->hide_term();
       $this->apiPassword = rtrim(fgets(STDIN), PHP_EOL);
       $this->restore_term();
       try {
           $result = $this->$idProviderClient->initiateAuth([
               'AuthFlow' => 'USER_PASSWORD_AUTH',
               'ClientId' => self::$CognitoClientId,
               'UserPoolId' => self::$CognitoUserPoolId,
               'AuthParameters' => [
                   'USERNAME' => $this->apiUser,
                   'PASSWORD' => $this->apiPassword,
               ],
           ]);
           $accessToken = $result->get('AuthenticationResult')['AccessToken'];
           $idToken = $result->get('AuthenticationResult')['IdToken'];
           //echo "Access Token: $accessToken\n";
           //echo "ID Token: $idToken\n";

           $idClient = new Aws\CognitoIdentity\CognitoIdentityClient([
                                    'version' => '2014-06-30',
                                    'region' => self::$Region,
                                    'credentials' => false,
                                  ]);

          $provider = 'cognito-idp.us-east-1.amazonaws.com/'.self::$CognitoUserPoolId;

          $clientIDResponse = $idClient->getId([
                                  'IdentityPoolId' => self::$CognitoIdentityPoolId,
                                  'Logins' => [ $provider  => $idToken ]
                                ]);

          $clientId = $clientIDResponse->get('IdentityId');

          $result = $idClient->getCredentialsForIdentity([
                                  'IdentityId' => $clientId,
                                  'Logins' => [ $provider  => $idToken ]
                                ]);

          $awsCredentials = $result->get('Credentials');

          return $awsCredentials;

       } catch (\Exception $e) {
          $errorMessage = $e->getMessage();
           echo "Error: $errorMessage";
           return $e->getMessage();
       }
    }