/**
* リクエストを実行する。
*
* @param array $consumer_config Consumer設定
* @param OAuthToken $access_token AccessToken/Secret
* @param string $method POST/GET
* @param string $url URL
* @param array $params パラメータ
* @return HttpResponse
*/
public static function invoke($consumer_config, $access_token, $method, $url, $params = array())
{
// consumer
$consumer = OAuthWrapUtil::buildConsumer($consumer_config);
// 署名方式はHMAC-SHA1
$signature_method = new OAuthSignatureMethod_HMAC_SHA1();
$redirect_limit = 10;
$access_url = $url;
while ($redirect_limit > 0) {
$request = OAuthRequest::from_consumer_and_token($consumer, $access_token, $method, $access_url, $params);
// 署名
$request->sign_request($signature_method, $consumer, $access_token);
list($header, $body) = OAuthWrapUtil::http($request, $params);
// HTTP ステータスコードを確認
$stat = explode(" ", $header);
if ($stat[1] == "200") {
return $body;
} else {
if ($stat[1] == "301" || $stat[1] == "302" || ($stat[1] = "303" || $stat[1] == "307")) {
$redirect_limit = $redirect_limit - 1;
$header_token = strtok($header, "\r\n");
while ($header_token !== false) {
$tmp_line = $header_token;
if (strpos($tmp_line, "Location:", 0) === 0) {
$access_url = substr($tmp_line, strpos($tmp_line, "http"));
break;
}
$header_token = strtok("\r\n");
}
} else {
break;
}
}
}
return NULL;
}
