/**
* Complete the connection to the OAuth1 provider.
*
* @param connectionFactory the service provider's connection factory e.g.
* FacebookConnectionFactory
* @param request the current web request
* @return a new connection to the service provider
*/
public Connection<?> completeConnection(
OAuth1ConnectionFactory<?> connectionFactory, NativeWebRequest request) {
String verifier = request.getParameter("oauth_verifier");
AuthorizedRequestToken requestToken =
new AuthorizedRequestToken(extractCachedRequestToken(request), verifier);
OAuthToken accessToken =
connectionFactory.getOAuthOperations().exchangeForAccessToken(requestToken, null);
return connectionFactory.createConnection(accessToken);
}
private String buildOAuth1Url(
OAuth1ConnectionFactory<?> connectionFactory,
NativeWebRequest request,
MultiValueMap<String, String> additionalParameters) {
OAuth1Operations oauthOperations = connectionFactory.getOAuthOperations();
OAuth1Parameters parameters = new OAuth1Parameters(additionalParameters);
if (oauthOperations.getVersion() == OAuth1Version.CORE_10) {
parameters.setCallbackUrl(callbackUrl(request));
}
OAuthToken requestToken = fetchRequestToken(request, oauthOperations);
request.setAttribute(OAUTH_TOKEN_ATTRIBUTE, requestToken, RequestAttributes.SCOPE_SESSION);
return buildOAuth1Url(oauthOperations, requestToken.getValue(), parameters);
}