private String getSignature(OAuthRequest request, Token token) {
config.log("generating signature...");
String baseString = api.getBaseStringExtractor().extract(request);
String signature =
api.getSignatureService()
.getSignature(baseString, config.getApiSecret(), token.getSecret());
config.log("base string is: " + baseString);
config.log("signature is: " + signature);
return signature;
}
private void addOAuthParams(OAuthRequest request, Token token) {
request.addOAuthParameter(
OAuthConstants.TIMESTAMP, api.getTimestampService().getTimestampInSeconds());
request.addOAuthParameter(OAuthConstants.NONCE, api.getTimestampService().getNonce());
request.addOAuthParameter(OAuthConstants.CONSUMER_KEY, config.getApiKey());
request.addOAuthParameter(
OAuthConstants.SIGN_METHOD, api.getSignatureService().getSignatureMethod());
request.addOAuthParameter(OAuthConstants.VERSION, getVersion());
if (config.hasScope()) {
request.addOAuthParameter(OAuthConstants.SCOPE, config.getScope());
}
request.addOAuthParameter(OAuthConstants.SIGNATURE, getSignature(request, token));
config.log(
"appended additional OAuth parameters: " + MapUtils.toString(request.getOauthParameters()));
}
@Override
public Token getAccessToken(Token requestToken, Verifier verifier, RequestTuner tuner) {
config.log("obtaining access token from " + api.getAccessTokenEndpoint());
OAuthRequest request = new OAuthRequest(api.getAccessTokenVerb(), api.getAccessTokenEndpoint());
request.addBodyParameter("x_auth_username", config.getXAuthParams().getUsername());
request.addBodyParameter("x_auth_password", config.getXAuthParams().getPassword());
request.addBodyParameter("x_auth_mode", "client_auth");
config.log("setting token to: " + requestToken + " and verifier to: " + verifier);
// request.addOAuthParameter(OAuthConstants.TOKEN, requestToken.getToken());
request.addOAuthParameter(OAuthConstants.VERIFIER, verifier.getValue());
addOAuthParams(request, requestToken);
appendSignature(request);
Response response = request.send(tuner);
return api.getAccessTokenExtractor().extract(response.getBody());
}
public Token getRequestToken(RequestTuner tuner) {
config.log("obtaining request token from " + api.getRequestTokenEndpoint());
OAuthRequest request =
new OAuthRequest(api.getRequestTokenVerb(), api.getRequestTokenEndpoint());
config.log("setting oauth_callback to " + config.getCallback());
request.addOAuthParameter(OAuthConstants.CALLBACK, config.getCallback());
addOAuthParams(request, OAuthConstants.EMPTY_TOKEN);
appendSignature(request);
config.log("sending request...");
Response response = request.send(tuner);
String body = response.getBody();
config.log("response status code: " + response.getCode());
config.log("response body: " + body);
return api.getRequestTokenExtractor().extract(body);
}
private void appendSignature(OAuthRequest request) {
switch (config.getSignatureType()) {
case Header:
config.log("using Http Header signature");
String oauthHeader = api.getHeaderExtractor().extract(request);
request.addHeader(OAuthConstants.HEADER, oauthHeader);
break;
case QueryString:
config.log("using Querystring signature");
for (Map.Entry<String, String> entry : request.getOauthParameters().entrySet()) {
request.addQuerystringParameter(entry.getKey(), entry.getValue());
}
break;
}
}