oauthAccessToken method
Twitterにアクセストークンを要求する 既に、tokenByAuthe(authentication)/verifierByAuthe/secretByRequestを取得済みでないとこの関数は通せない
Implementation
Future<HttpClientResponse> oauthAccessToken(
String tokenByAuthe,
String verifierByAuthe,
String secretByRequest,
) async {
DateTime dtNow = DateTime.now();
int unixTimeSec = (dtNow.millisecondsSinceEpoch / 1000).round();
var uuid = Uuid().v4();
var parameters = {
"oauth_consumer_key": _apiKey,
"oauth_token": tokenByAuthe,
"oauth_signature_method": _signatureMethod,
"oauth_timestamp": unixTimeSec.toString(),
"oauth_nonce": uuid.toString(),
"oauth_verifier": verifierByAuthe,
"oauth_version": "1.0"
};
var signature = _createSignature(
_apiSecret, secretByRequest, "POST", parameters, TwitterAPIs.URL_OAUTH_ACCESS_TOKEN);
if (signature != null) {
parameters["oauth_signature"] = signature;
}
var requestParams = _createRequestParams(parameters);
var requestUrl = Uri.parse(TwitterAPIs.URL_OAUTH_ACCESS_TOKEN);
var client = HttpClient();
var ret = client.postUrl(requestUrl).then((HttpClientRequest request) {
request.headers.add("Authorization", "OAuth " + requestParams);
// Then call close.
return request.close();
});
return ret;
}