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package com.juick.http.www;
import com.github.scribejava.apis.TwitterApi;
import com.github.scribejava.core.builder.ServiceBuilder;
import com.github.scribejava.core.model.*;
import com.github.scribejava.core.oauth.OAuthService;
import com.juick.server.UserQueries;
import org.json.JSONObject;
import javax.servlet.ServletException;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.sql.Connection;
/**
* Created by vt on 01.12.2015.
*/
public class TwitterAuth {
private final static String VERIFY_URL = "https://api.twitter.com/1.1/account/verify_credentials.json";
private String consumerKey, consumerSecret;
public TwitterAuth(String consumerKey, String consumerSecret) {
this.consumerKey = consumerKey;
this.consumerSecret = consumerSecret;
}
protected void doGet(Connection sql, HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String hash = "", request_token = "", request_token_secret = "";
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 = UserQueries.getUserByHash(sql, hash);
if ( user == null || user.getUID() == 0) {
response.sendError(403);
return;
}
OAuthService oAuthService = new ServiceBuilder()
.provider(TwitterApi.class)
.apiKey(consumerKey)
.apiSecret(consumerSecret)
.callback("http://juick.com/_twitter")
.build();
if (request_token.isEmpty() && request_token_secret.isEmpty()
&& (verifier == null || verifier.isEmpty())) {
Token requestToken = oAuthService.getRequestToken();
String authUrl = oAuthService.getAuthorizationUrl(requestToken);
response.addCookie(new Cookie("request_token", requestToken.getToken()));
response.addCookie(new Cookie("request_token_secret", requestToken.getSecret()));
response.setStatus(HttpServletResponse.SC_FOUND);
response.setHeader("Location", authUrl);
} else {
if (verifier != null && verifier.length() > 0) {
Token requestToken = new Token(request_token, request_token_secret);
Token accessToken = oAuthService.getAccessToken(requestToken, new Verifier(verifier));
OAuthRequest oAuthRequest = new OAuthRequest(Verb.GET, VERIFY_URL, oAuthService);
oAuthService.signRequest(accessToken, oAuthRequest);
JSONObject jsonResponse = new JSONObject(oAuthRequest.send().getBody());
String screenName = jsonResponse.getString("screen_name");
if (UserQueries.linkTwitterAccount(sql, user, accessToken.getToken(), accessToken.getSecret(), screenName)) {
response.setStatus(HttpServletResponse.SC_FOUND);
response.setHeader("Location", "http://juick.com/settings");
} else {
response.sendError(500);
}
}
}
}
}
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