Basho\Riak\Api\Http::prepareConnection PHP Method

    protected function prepareConnection()
    {
        // record outgoing headers
        $this->options[CURLINFO_HEADER_OUT] = 1;
        if ($this->node->useTls()) {
            // CA File
            if ($this->node->getCaFile()) {
                $this->options[CURLOPT_CAINFO] = $this->node->getCaFile();
            } elseif ($this->node->getCaDirectory()) {
                $this->options[CURLOPT_CAPATH] = $this->node->getCaDirectory();
            } else {
                throw new Api\Exception('A Certificate Authority file is required for secure connections.');
            }
            // verify CA file
            $this->options[CURLOPT_SSL_VERIFYPEER] = true;
            // verify host common name
            $this->options[CURLOPT_SSL_VERIFYHOST] = 0;
            if ($this->node->getUserName()) {
                $this->options[CURLOPT_USERPWD] = sprintf('%s:%s', $this->node->getUserName(), $this->node->getPassword());
            } elseif ($this->node->getCertificate()) {
                /*
                 * NOT CURRENTLY SUPPORTED ON HTTP
                 *
                $this->options[CURLOPT_SSLCERT] = $this->node->getCertificate();
                $this->options[CURLOPT_SSLCERTTYPE] = 'P12';
                if ($this->node->getCertificatePassword()) {
                    $this->options[CURLOPT_SSLCERTPASSWD] = $this->node->getCertificatePassword();
                }
                if ($this->node->getPrivateKey()) {
                    $this->options[CURLOPT_SSLKEY] = $this->node->getPrivateKey();
                    if ($this->node->getPrivateKeyPassword()) {
                        $this->options[CURLOPT_SSLKEYPASSWD] = $this->node->getPrivateKeyPassword();
                    }
                }
                */
            }
        }
        return $this;
    }