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package com.juick.www.controllers;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.github.scribejava.apis.TwitterApi;
import com.github.scribejava.core.builder.ServiceBuilder;
import com.github.scribejava.core.model.OAuth1AccessToken;
import com.github.scribejava.core.model.OAuth1RequestToken;
import com.github.scribejava.core.model.OAuthRequest;
import com.github.scribejava.core.model.Verb;
import com.github.scribejava.core.oauth.OAuth10aService;
import com.juick.service.UserService;
import org.apache.commons.lang3.StringUtils;
import org.springframework.core.env.Environment;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import javax.inject.Inject;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.concurrent.ExecutionException;
/**
* Created by vt on 01.12.2015.
*/
@Controller
public class TwitterAuth {
private final static String VERIFY_URL = "https://api.twitter.com/1.1/account/verify_credentials.json";
private String consumerKey, consumerSecret;
private final ObjectMapper mapper;
@Inject
UserService userService;
@Inject
public TwitterAuth(Environment env) {
this.consumerKey = env.getProperty("twitter_consumer_key");
this.consumerSecret = env.getProperty("twitter_consumer_secret");
mapper = new ObjectMapper();
mapper.setSerializationInclusion(JsonInclude.Include.NON_EMPTY);
mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
mapper.setSerializationInclusion(JsonInclude.Include.NON_DEFAULT);
}
@RequestMapping(value = "/_twitter", method = RequestMethod.GET)
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws IOException, ExecutionException, InterruptedException {
String hash = StringUtils.EMPTY, request_token = StringUtils.EMPTY, request_token_secret = StringUtils.EMPTY;
String verifier = request.getParameter("oauth_verifier");
Cookie[] cookies = request.getCookies();
for (Cookie cookie : cookies) {
if (cookie.getName().equals("hash")) {
hash = cookie.getValue();
}
if (cookie.getName().equals("request_token")) {
request_token = cookie.getValue();
}
if (cookie.getName().equals("request_token_secret")) {
request_token_secret = cookie.getValue();
}
}
com.juick.User user = userService.getUserByHash(hash);
if ( user == null || user.getUid() == 0) {
response.sendError(HttpServletResponse.SC_FORBIDDEN);
return;
}
OAuth10aService oAuthService = new ServiceBuilder()
.apiKey(consumerKey)
.apiSecret(consumerSecret)
.callback("http://juick.com/_twitter")
.build(TwitterApi.instance());
if (request_token.isEmpty() && request_token_secret.isEmpty()
&& (verifier == null || verifier.isEmpty())) {
OAuth1RequestToken requestToken = oAuthService.getRequestToken();
String authUrl = oAuthService.getAuthorizationUrl(requestToken);
response.addCookie(new Cookie("request_token", requestToken.getToken()));
response.addCookie(new Cookie("request_token_secret", requestToken.getTokenSecret()));
response.setStatus(HttpServletResponse.SC_FOUND);
response.setHeader("Location", authUrl);
} else {
if (verifier != null && verifier.length() > 0) {
OAuth1RequestToken requestToken = new OAuth1RequestToken(request_token, request_token_secret);
OAuth1AccessToken accessToken = oAuthService.getAccessToken(requestToken, verifier);
OAuthRequest oAuthRequest = new OAuthRequest(Verb.GET, VERIFY_URL);
oAuthService.signRequest(accessToken, oAuthRequest);
com.juick.www.twitter.User twitterUser = mapper.readValue(oAuthService.execute(oAuthRequest).getBody(),
com.juick.www.twitter.User.class);
if (userService.linkTwitterAccount(user, accessToken.getToken(), accessToken.getTokenSecret(),
twitterUser.getScreenName())) {
response.setStatus(HttpServletResponse.SC_FOUND);
response.setHeader("Location", "http://juick.com/settings");
} else {
response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
}
}
}
}
}
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