package org.scribe.oauth; import org.scribe.builder.api.*; import org.scribe.model.*; /** * OAuth 1.0a implementation of {@link OAuthService} * * @author Pablo Fernandez */ public class OAuth10aServiceImpl implements OAuthService { private static final String NO_SCOPE = null; private static final String VERSION = "1.0"; private OAuthConfig config; private DefaultApi10a api; private String scope; /** * Default constructor * * @param api OAuth1.0a api information * @param config OAuth 1.0a configuration param object */ public OAuth10aServiceImpl(DefaultApi10a api, OAuthConfig config) { this.api = api; this.config = config; this.scope = NO_SCOPE; } /** * {@inheritDoc} */ public Token getRequestToken() { OAuthRequest request = new OAuthRequest(api.getRequestTokenVerb(), api.getRequestTokenEndpoint()); addOAuthParams(request, OAuthConstants.EMPTY_TOKEN); addOAuthHeader(request); Response response = request.send(); return api.getRequestTokenExtractor().extract(response.getBody()); } 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()); request.addOAuthParameter(OAuthConstants.CALLBACK, config.getCallback()); if(scope != NO_SCOPE) request.addOAuthParameter(OAuthConstants.SCOPE, scope); request.addOAuthParameter(OAuthConstants.SIGNATURE, getSignature(request, token)); } /** * {@inheritDoc} */ public Token getAccessToken(Token requestToken, Verifier verifier) { OAuthRequest request = new OAuthRequest(api.getAccessTokenVerb(), api.getAccessTokenEndpoint()); request.addOAuthParameter(OAuthConstants.TOKEN, requestToken.getToken()); request.addOAuthParameter(OAuthConstants.VERIFIER, verifier.getValue()); addOAuthParams(request, requestToken); addOAuthHeader(request); Response response = request.send(); return api.getAccessTokenExtractor().extract(response.getBody()); } /** * {@inheritDoc} */ public void signRequest(Token token, OAuthRequest request) { request.addOAuthParameter(OAuthConstants.TOKEN, token.getToken()); addOAuthParams(request, token); addOAuthHeader(request); } /** * {@inheritDoc} */ public String getVersion() { return VERSION; } /** * {@inheritDoc} */ public void addScope(String scope) { this.scope = scope; } /** * {@inheritDoc} */ public String getAuthorizationUrl(Token requestToken) { return api.getAuthorizationUrl(requestToken); } private String getSignature(OAuthRequest request, Token token) { String baseString = api.getBaseStringExtractor().extract(request); return api.getSignatureService().getSignature(baseString, config.getApiSecret(), token.getSecret()); } private void addOAuthHeader(OAuthRequest request) { String oauthHeader = api.getHeaderExtractor().extract(request); request.addHeader(OAuthConstants.HEADER, oauthHeader); } }