/**
* {@inheritDoc}
*/
public function buildSignature(Request $request, Consumer $consumer, Token $token = null)
{
$signatureBase = $request->getSignatureBaseString();
$parts = [$consumer->secret, null !== $token ? $token->secret : ""];
$parts = Util::urlencodeRfc3986($parts);
$key = implode('&', $parts);
return base64_encode(hash_hmac('sha1', $signatureBase, $key, true));
}
/**
* Builds the Authorization: header
*
* @return string
* @throws TwitterOAuthException
*/
public function toHeader()
{
$first = true;
$out = 'Authorization: OAuth';
foreach ($this->parameters as $k => $v) {
if (substr($k, 0, 5) != "oauth") {
continue;
}
if (is_array($v)) {
throw new TwitterOAuthException('Arrays not supported in headers');
}
$out .= $first ? ' ' : ', ';
$out .= Util::urlencodeRfc3986($k) . '="' . Util::urlencodeRfc3986($v) . '"';
$first = false;
}
return $out;
}
/**
* Generates the basic string serialization of a token that a server
* would respond to request_token and access_token calls with
*
* @return string
*/
public function __toString()
{
return sprintf("oauth_token=%s&oauth_token_secret=%s", Util::urlencodeRfc3986($this->key), Util::urlencodeRfc3986($this->secret));
}
/**
* Make an HTTP request
*
* @param string $url
* @param string $method
* @param string $authorization
* @param array $postfields
*
* @return string
* @throws TwitterOAuthException
*/
private function request($url, $method, $authorization, $postfields)
{
/* Curl settings */
$options = [CURLOPT_CAINFO => __DIR__ . DIRECTORY_SEPARATOR . 'cacert.pem', CURLOPT_CONNECTTIMEOUT => $this->connectionTimeout, CURLOPT_HEADER => true, CURLOPT_HTTPHEADER => ['Accept: application/json', $authorization, 'Expect:'], CURLOPT_RETURNTRANSFER => true, CURLOPT_SSL_VERIFYHOST => 2, CURLOPT_SSL_VERIFYPEER => true, CURLOPT_TIMEOUT => $this->timeout, CURLOPT_URL => $url, CURLOPT_USERAGENT => $this->userAgent, CURLOPT_ENCODING => 'gzip'];
if (!empty($this->proxy)) {
$options[CURLOPT_PROXY] = $this->proxy['CURLOPT_PROXY'];
$options[CURLOPT_PROXYUSERPWD] = $this->proxy['CURLOPT_PROXYUSERPWD'];
$options[CURLOPT_PROXYPORT] = $this->proxy['CURLOPT_PROXYPORT'];
$options[CURLOPT_PROXYAUTH] = CURLAUTH_BASIC;
$options[CURLOPT_PROXYTYPE] = CURLPROXY_HTTP;
}
switch ($method) {
case 'GET':
break;
case 'POST':
$options[CURLOPT_POST] = true;
$options[CURLOPT_POSTFIELDS] = Util::buildHttpQuery($postfields);
break;
case 'DELETE':
$options[CURLOPT_CUSTOMREQUEST] = 'DELETE';
break;
case 'PUT':
$options[CURLOPT_CUSTOMREQUEST] = 'PUT';
break;
}
if (in_array($method, ['GET', 'PUT', 'DELETE']) && !empty($postfields)) {
$options[CURLOPT_URL] .= '?' . Util::buildHttpQuery($postfields);
}
$curlHandle = curl_init();
curl_setopt_array($curlHandle, $options);
$response = curl_exec($curlHandle);
// Throw exceptions on cURL errors.
if (curl_errno($curlHandle) > 0) {
throw new TwitterOAuthException(curl_error($curlHandle), curl_errno($curlHandle));
}
$this->response->setHttpCode(curl_getinfo($curlHandle, CURLINFO_HTTP_CODE));
$parts = explode("\r\n\r\n", $response);
$responseBody = array_pop($parts);
$responseHeader = array_pop($parts);
$this->response->setHeaders($this->parseHeaders($responseHeader));
curl_close($curlHandle);
return $responseBody;
}
