/*
* Copyright (C) 2008-2020, Juick
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see .
*/
package com.juick.www.controllers;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.github.scribejava.apis.*;
import com.github.scribejava.core.builder.ServiceBuilder;
import com.github.scribejava.core.model.*;
import com.github.scribejava.core.oauth.OAuth10aService;
import com.github.scribejava.core.oauth.OAuth20Service;
import com.juick.model.ext.facebook.User;
import com.juick.model.ext.vk.UsersResponse;
import com.juick.service.EmailService;
import com.juick.service.TelegramService;
import com.juick.service.UserService;
import com.juick.util.HttpBadRequestException;
import jakarta.annotation.PostConstruct;
import jakarta.servlet.http.Cookie;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import jakarta.servlet.http.HttpSession;
import org.apache.commons.codec.digest.DigestUtils;
import org.apache.commons.codec.digest.HmacAlgorithms;
import org.apache.commons.codec.digest.HmacUtils;
import org.apache.commons.lang3.RandomStringUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.math.NumberUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.util.UriComponentsBuilder;
import javax.inject.Inject;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.UUID;
import java.util.concurrent.ExecutionException;
import java.util.stream.Collectors;
/**
*
* @author Ugnich Anton
*/
@Controller
public class SocialLogin {
private static final Logger logger = LoggerFactory.getLogger(SocialLogin.class);
public static final String AUTH_ERROR = "SocialLogin.AuthenticationError";
@Value("${facebook_appid:appid}")
private String FACEBOOK_APPID;
@Value("${facebook_secret:secret}")
private String FACEBOOK_SECRET;
@Value("${ap_base_uri:http://localhost:8080/}")
private String baseUri;
private static final String VK_REDIRECT = "http://juick.com/_vklogin";
private static final String TWITTER_VERIFY_URL = "https://api.twitter.com/1.1/account/verify_credentials.json";
@Inject
private ObjectMapper jsonMapper;
private ServiceBuilder twitterBuilder;
private OAuth20Service facebookAuthService, vkAuthService, appleSignInService;
@Value("${twitter_consumer_key:appid}")
private String twitterConsumerKey;
@Value("${twitter_consumer_secret:secret}")
private String twitterConsumerSecret;
@Value("${vk_appid:appid}")
private String VK_APPID;
@Value("${vk_secret:secret}")
private String VK_SECRET;
@Value("${telegram_token:secret}")
private String telegramToken;
@Value("${apple_app_id:appid}")
private String appleApplicationId;
@Inject
private UserService userService;
@Inject
private EmailService emailService;
@Inject
private TelegramService telegramService;
@Inject
private AppleClientSecretGenerator clientSecretGenerator;
@PostConstruct
public void init() {
ServiceBuilder facebookBuilder = new ServiceBuilder(FACEBOOK_APPID);
twitterBuilder = new ServiceBuilder(twitterConsumerKey);
ServiceBuilder vkBuilder = new ServiceBuilder(VK_APPID);
UriComponentsBuilder redirectBuilder = UriComponentsBuilder.fromUriString(baseUri);
String facebookRedirectUri = redirectBuilder.replacePath("/_fblogin").build().toUriString();
facebookAuthService = facebookBuilder.apiSecret(FACEBOOK_SECRET).callback(facebookRedirectUri)
.defaultScope("email").build(FacebookApi.instance());
vkAuthService = vkBuilder.apiSecret(VK_SECRET).defaultScope("friends,wall,offline").callback(VK_REDIRECT)
.build(VkontakteApi.instance());
ServiceBuilder appleSignInBuilder = new ServiceBuilder(appleApplicationId);
String appleSignInRedirectUri = redirectBuilder.replacePath("/_apple").build().toUriString();
appleSignInService = appleSignInBuilder.callback(appleSignInRedirectUri).defaultScope("email")
.build(new AppleSignInApi(clientSecretGenerator));
}
@GetMapping("/_fblogin")
protected String doFacebookLogin(HttpServletRequest request, @RequestParam(required = false) String code,
@RequestParam(required = false) String state,
@RequestHeader(value = "referer", required = false) String referer, HttpServletResponse response,
HttpSession session) throws IOException, ExecutionException, InterruptedException {
if (StringUtils.isBlank(code)) {
String fbstate = UUID.randomUUID().toString();
if (StringUtils.isBlank(state)) {
state = Optional.ofNullable(referer).orElse("https://juick.com/");
}
userService.addFacebookState(fbstate, state);
return "redirect:" + facebookAuthService.getAuthorizationUrl(fbstate);
}
String redirectUrl = userService.verifyFacebookState(state);
if (StringUtils.isEmpty(redirectUrl)) {
logger.error("state is missing");
throw new HttpBadRequestException();
}
OAuth2AccessToken token = facebookAuthService.getAccessToken(code);
final OAuthRequest meRequest = new OAuthRequest(Verb.GET,
"https://graph.facebook.com/me?fields=id,name,link,verified,email");
facebookAuthService.signRequest(token, meRequest);
String graph = facebookAuthService.execute(meRequest).getBody();
if (StringUtils.isBlank(graph)) {
logger.error("FACEBOOK GRAPH ERROR");
throw new HttpBadRequestException();
}
User fb = jsonMapper.readValue(graph, User.class);
long fbID = NumberUtils.toLong(fb.id(), 0);
if (fbID == 0 || StringUtils.isBlank(fb.name())) {
logger.error("Missing required fields, id: {}, name: {}", fbID, fb.name());
throw new HttpBadRequestException();
}
Optional existingFacebookUser = userService.getUserByFacebookId(fbID);
if (existingFacebookUser.isPresent()) {
if (!userService.updateFacebookUser(fbID, token.getAccessToken(), fb.name())) {
logger.error("error updating facebook user, id: {}, token: {}", fbID, token.getAccessToken());
throw new HttpBadRequestException();
}
if (StringUtils.isNotEmpty(fb.email())) {
logger.info("found {} for facebook user {}", fb.email(), fb.name());
Optional newFacebookUser = userService.getUserByFacebookId(fbID);
if (!emailService.getEmails(newFacebookUser.get().getUid(), false).contains(fb.email())) {
emailService.addEmail(newFacebookUser.get().getUid(), fb.email());
}
}
if (!existingFacebookUser.get().isBanned()) {
Cookie c = new Cookie("hash", userService.getHashByUID(existingFacebookUser.get().getUid()));
c.setMaxAge(50 * 24 * 60 * 60);
response.addCookie(c);
return "redirect:" + redirectUrl;
} else {
session.setAttribute(SocialLogin.AUTH_ERROR, "User is disabled");
return "redirect:/login";
}
} else {
if (!userService.createFacebookUser(fbID, state, token.getAccessToken(), fb.name())) {
throw new HttpBadRequestException();
}
return "redirect:/signup?type=fb&hash=" + state;
}
}
@GetMapping("/_twitter")
protected void doTwitterLogin(@ModelAttribute com.juick.model.User user, 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();
}
}
OAuth10aService oAuthService = twitterBuilder.apiSecret(twitterConsumerSecret)
.callback("https://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, TWITTER_VERIFY_URL);
oAuthService.signRequest(accessToken, oAuthRequest);
com.juick.model.ext.twitter.User twitterUser = jsonMapper.readValue(
oAuthService.execute(oAuthRequest).getBody(), com.juick.model.ext.twitter.User.class);
if (userService.linkTwitterAccount(user, accessToken.getToken(), accessToken.getTokenSecret(),
twitterUser.screenName())) {
response.setStatus(HttpServletResponse.SC_FOUND);
response.setHeader("Location", "http://juick.com/settings");
} else {
response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
}
}
}
}
@GetMapping("/_vklogin")
protected String doVKLogin(@RequestParam(required = false) String code,
@RequestParam(required = false) String state,
@RequestHeader(value = "referer", required = false) String referer,
@CookieValue(required = false) String vkstate, HttpServletResponse response)
throws IOException, ExecutionException, InterruptedException {
if (StringUtils.isBlank(code)) {
vkstate = UUID.randomUUID().toString();
Cookie c = new Cookie("vkstate", vkstate);
response.addCookie(c);
return "redirect:" + vkAuthService.getAuthorizationUrl(vkstate);
}
if (StringUtils.isBlank(vkstate) || !vkstate.equals(state)) {
throw new HttpBadRequestException();
} else {
Cookie c = new Cookie("vkstate", "-");
c.setMaxAge(0);
response.addCookie(c);
}
OAuth2AccessToken token = vkAuthService.getAccessToken(code);
OAuthRequest meRequest = new OAuthRequest(Verb.GET,
"https://api.vk.com/method/users.get?fields=screen_name&v=5.131");
vkAuthService.signRequest(token, meRequest);
Response vkResponse = vkAuthService.execute(meRequest);
if (vkResponse.isSuccessful()) {
String graph = vkResponse.getBody();
com.juick.model.ext.vk.User jsonUser = jsonMapper.readValue(graph, UsersResponse.class).users().stream()
.findFirst().orElseThrow(HttpBadRequestException::new);
String vkName = jsonUser.firstName() + " " + jsonUser.lastName();
String vkLink = jsonUser.screenName();
if (vkName.length() == 1 || StringUtils.isBlank(vkLink)) {
logger.error("vk user error");
throw new HttpBadRequestException();
}
long vkID = NumberUtils.toLong(jsonUser.id(), 0);
int uid = userService.getUIDbyVKID(vkID);
if (uid > 0) {
Cookie c = new Cookie("hash", userService.getHashByUID(uid));
c.setMaxAge(50 * 24 * 60 * 60);
response.addCookie(c);
return "redirect:/" + Optional.ofNullable(referer).orElse(StringUtils.EMPTY);
} else {
String loginhash = UUID.randomUUID().toString();
if (!userService.createVKUser(vkID, loginhash, token.getAccessToken(), vkName, vkLink)) {
logger.error("create vk user error");
throw new HttpBadRequestException();
}
return "redirect:/signup?type=vk&hash=" + loginhash;
}
} else {
logger.error("vk error {}: {}", vkResponse.getCode(), vkResponse.getBody());
throw new HttpBadRequestException();
}
}
@GetMapping("/_tglogin")
public String doDurovLogin(@RequestParam Map params,
@RequestHeader(value = "referer", required = false) String referer, HttpServletResponse response) {
String dataCheckString = params.entrySet().stream().filter(p -> !p.getKey().equals("hash"))
.sorted(Map.Entry.comparingByKey()).map(p -> p.getKey() + "=" + p.getValue())
.collect(Collectors.joining("\n"));
String hash = params.get("hash");
byte[] secretKey = DigestUtils.sha256(telegramToken);
String resultString = new HmacUtils(HmacAlgorithms.HMAC_SHA_256, secretKey).hmacHex(dataCheckString);
if (hash.equals(resultString)) {
long tgUser = Long.parseLong(params.get("id"));
int uid = telegramService.getUser(tgUser);
if (uid > 0) {
Cookie c = new Cookie("hash", userService.getHashByUID(uid));
c.setMaxAge(50 * 24 * 60 * 60);
response.addCookie(c);
return "redirect:" + Optional.ofNullable(referer).orElse(StringUtils.EMPTY);
} else {
String username = StringUtils.defaultString(params.get("username"), params.get("first_name"));
List chats = telegramService.getAnonymous();
if (!chats.contains(tgUser)) {
logger.info("added chat with {}", username);
telegramService.createTelegramUser(tgUser, username);
}
return "redirect:/signup?type=durov&hash=" + userService.getSignUpHashByTelegramID(tgUser, username);
}
} else {
logger.warn("invalid tg hash {} for {}", resultString, hash);
}
throw new HttpBadRequestException();
}
@GetMapping("/_apple")
public String doAppleLogin(@RequestParam(required = false) String code, HttpServletResponse response) {
if (StringUtils.isBlank(code)) {
String state = UUID.randomUUID().toString();
Cookie c = new Cookie("astate", state);
response.addCookie(c);
return "redirect:" + appleSignInService.getAuthorizationUrl(state);
}
throw new HttpBadRequestException();
}
@PostMapping("/_apple")
public String doVerifyAppleResponse(HttpServletRequest request, HttpServletResponse response,
@RequestParam Map body, HttpSession session) throws InterruptedException, ExecutionException, IOException {
OAuth2AccessToken token = appleSignInService.getAccessToken(body.get("code"));
var jsonNode = jsonMapper.readTree(token.getRawResponse());
var idToken = jsonNode.get("id_token").textValue();
logger.info("Token: {}", idToken);
AppleSignInApi api = (AppleSignInApi) appleSignInService.getApi();
var email = api.validateToken(idToken);
if (email.isPresent()) {
com.juick.model.User user = userService.getUserByEmail(email.get());
if (!user.isAnonymous()) {
if (!user.isBanned()) {
Cookie c = new Cookie("hash", userService.getHashByUID(user.getUid()));
c.setMaxAge(50 * 24 * 60 * 60);
response.addCookie(c);
return "redirect:/";
} else {
session.setAttribute(SocialLogin.AUTH_ERROR, "User is disabled");
return "redirect:/login";
}
} else {
String verificationCode = RandomStringUtils.randomAlphanumeric(8).toUpperCase();
emailService.addVerificationCode(null, email.get(), verificationCode);
return "redirect:/signup?type=email&hash=" + verificationCode;
}
}
throw new HttpBadRequestException();
}
}