public function refreshCredentials()

in src/Providers/RsaKeyPairCredentialsProvider.php [124:173]
41 lines of code
4 McCabe index (conditional complexity)

    public function refreshCredentials()
    {
        $options = Request::commonOptions();
        $options['read_timeout'] = $this->readTimeout;
        $options['connect_timeout'] = $this->connectTimeout;

        $options['query']['Action'] = 'GenerateSessionAccessKey';
        $options['query']['Version'] = '2015-04-01';
        $options['query']['Format'] = 'JSON';
        $options['query']['Timestamp'] = gmdate('Y-m-d\TH:i:s\Z');
        $options['query']['SignatureMethod'] = 'SHA256withRSA';
        $options['query']['SignatureType'] = 'PRIVATEKEY';
        $options['query']['SignatureVersion'] = '1.0';
        $options['query']['SignatureNonce'] = Request::uuid(json_encode($options['query']));
        $options['query']['DurationSeconds'] = (string) $this->durationSeconds;
        $options['query']['AccessKeyId'] = $this->publicKeyId;
        $options['query']['Signature'] = Request::shaHmac256WithRsasign(
            Request::signString('GET', $options['query']),
            $this->privateKey
        );

        $url = (new Uri())->withScheme('https')->withHost($this->stsEndpoint);

        $result = Request::createClient()->request('GET', $url, $options);

        if ($result->getStatusCode() !== 200) {
            throw new RuntimeException('Error refreshing credentials from RsaKeyPair, statusCode: ' . $result->getStatusCode() . ', result: ' . (string) $result);
        }

        $json = $result->toArray();

        if (!isset($json['SessionAccessKey']['SessionAccessKeyId']) || !isset($json['SessionAccessKey']['SessionAccessKeySecret'])) {
            throw new RuntimeException('Error retrieving credentials from RsaKeyPair result:' . $result->toJson());
        }

        $credentials = [];
        $credentials['AccessKeyId'] = $json['SessionAccessKey']['SessionAccessKeyId'];
        $credentials['AccessKeySecret'] = $json['SessionAccessKey']['SessionAccessKeySecret'];
        $credentials['Expiration'] = $json['SessionAccessKey']['Expiration'];
        $credentials['SecurityToken'] = null;


        return new RefreshResult(new Credentials([
            'accessKeyId' => $credentials['AccessKeyId'],
            'accessKeySecret' => $credentials['AccessKeySecret'],
            'securityToken' => $credentials['SecurityToken'],
            'expiration' => \strtotime($credentials['Expiration']),
            'providerName' => $this->getProviderName(),
        ]), $this->getStaleTime(strtotime($credentials['Expiration'])));
    }