package com.fitbit.web;
import com.fitbit.api.FitbitAPIException;
import com.fitbit.api.client.*;
import com.fitbit.api.client.service.FitbitAPIClientService;
import com.fitbit.api.common.model.user.UserInfo;
import com.fitbit.api.model.APIResourceCredentials;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.Properties;
/**
* Created by IntelliJ IDEA.
* User: Kiryl
* Date: 6/22/11
* Time: 7:05 AM
*/
public class FitbitApiAuthExampleServlet extends HttpServlet {
public static final String OAUTH_TOKEN = "oauth_token";
public static final String OAUTH_VERIFIER = "oauth_verifier";
private FitbitAPIEntityCache entityCache = new FitbitApiEntityCacheMapImpl();
private FitbitApiCredentialsCache credentialsCache = new FitbitApiCredentialsCacheMapImpl();
private FitbitApiSubscriptionStorage subscriptionStore = new FitbitApiSubscriptionStorageInMemoryImpl();
private String apiBaseUrl;
private String fitbitSiteBaseUrl;
private String exampleBaseUrl;
private String clientConsumerKey;
private String clientSecret;
public void init(ServletConfig config) throws ServletException {
super.init(config);
try {
Properties properties = new Properties();
properties.load(getClass().getClassLoader().getResourceAsStream("config.properties"));
apiBaseUrl = properties.getProperty("apiBaseUrl");
fitbitSiteBaseUrl = properties.getProperty("fitbitSiteBaseUrl");
exampleBaseUrl = properties.getProperty("exampleBaseUrl").replace("/app", "");
clientConsumerKey = properties.getProperty("clientConsumerKey");
clientSecret = properties.getProperty("clientSecret");
} catch (IOException e) {
throw new ServletException("Exception during loading properties", e);
}
}
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
FitbitAPIClientService<FitbitApiClientAgent> apiClientService = new FitbitAPIClientService<FitbitApiClientAgent>(
new FitbitApiClientAgent(apiBaseUrl, fitbitSiteBaseUrl, credentialsCache),
clientConsumerKey,
clientSecret,
credentialsCache,
entityCache,
subscriptionStore
);
if (request.getParameter("completeAuthorization") != null) {
String tempTokenReceived = request.getParameter(OAUTH_TOKEN);
String tempTokenVerifier = request.getParameter(OAUTH_VERIFIER);
APIResourceCredentials resourceCredentials = apiClientService.getResourceCredentialsByTempToken(tempTokenReceived);
if (resourceCredentials == null) {
throw new ServletException("Unrecognized temporary token when attempting to complete authorization: " + tempTokenReceived);
}
// Get token credentials only if necessary:
if (!resourceCredentials.isAuthorized()) {
// The verifier is required in the request to get token credentials:
resourceCredentials.setTempTokenVerifier(tempTokenVerifier);
try {
// Get token credentials for user:
apiClientService.getTokenCredentials(new LocalUserDetail(resourceCredentials.getLocalUserId()));
} catch (FitbitAPIException e) {
throw new ServletException("Unable to finish authorization with Fitbit.", e);
}
}
try {
UserInfo userInfo = apiClientService.getClient().getUserInfo(new LocalUserDetail(resourceCredentials.getLocalUserId()));
request.setAttribute("userInfo", userInfo);
request.getRequestDispatcher("/fitbitApiAuthExample.jsp").forward(request, response);
} catch (FitbitAPIException e) {
throw new ServletException("Exception during getting user info", e);
}
} else {
try {
response.sendRedirect(apiClientService.getResourceOwnerAuthorizationURL(new LocalUserDetail("-"), exampleBaseUrl + "/fitbitApiAuthExample?completeAuthorization="));
} catch (FitbitAPIException e) {
throw new ServletException("Exception during performing authorization", e);
}
}
}
}