aboutsummaryrefslogtreecommitdiff
path: root/src/main/java/com/juick/www/controllers/SocialLogin.java
blob: 75099e5082d0b45b9c0eb937b63af721a6eac79e (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
/*
 * Copyright (C) 2008-2023, 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 <http://www.gnu.org/licenses/>.
 */
package com.juick.www.controllers;

import com.fasterxml.jackson.databind.JsonNode;
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.AccessTokenRequestParams;
import com.github.scribejava.core.oauth.AuthorizationUrlBuilder;
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.*;
import com.juick.service.security.entities.JuickUser;
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.security.authentication.RememberMeAuthenticationToken;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.web.authentication.RememberMeServices;
import org.springframework.security.web.authentication.rememberme.AbstractRememberMeServices;
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 TWITTER_VERIFY_URL = "https://api.twitter.com/2/users/me";
    @Inject
    private ObjectMapper jsonMapper;
    private ServiceBuilder twitterBuilder;
    private OAuth20Service facebookAuthService, appleSignInService;
    @Inject
    private VKService vkService;
    @Inject
    private TwitterService twitterService;

    @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;
    @Inject
    private RememberMeServices rememberMeServices;

    private AuthorizationUrlBuilder authorizationUrlBuilder;

    @PostConstruct
    public void init() {
        ServiceBuilder facebookBuilder = new ServiceBuilder(FACEBOOK_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());
        ServiceBuilder appleSignInBuilder = new ServiceBuilder(appleApplicationId);
        String appleSignInRedirectUri = redirectBuilder.replacePath("/_apple").build().toUriString();
        appleSignInService = appleSignInBuilder.callback(appleSignInRedirectUri).defaultScope("email")
                .build(new AppleSignInApi(clientSecretGenerator, appleApplicationId));
    }

    @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<com.juick.model.User> 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<com.juick.model.User> 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 String doTwitterLogin(@RequestParam(required = false) String code,
                                    @RequestParam(required = false) String state,
                                    com.juick.model.User user,
                                    HttpServletRequest request)
            throws IOException, ExecutionException, InterruptedException {

        if (StringUtils.isBlank(code)) {
            state = UUID.randomUUID().toString();
            authorizationUrlBuilder = twitterService.getTwitterAuthService().createAuthorizationUrlBuilder()
                    .state(state)
                    .initPKCE();
            return "redirect:" + authorizationUrlBuilder.build();
        } else {
            var token = twitterService.getTwitterAuthService().getAccessToken(AccessTokenRequestParams.create(code)
                    .pkceCodeVerifier(authorizationUrlBuilder.getPkce().getCodeVerifier()));
            var me = new OAuthRequest(Verb.GET, TWITTER_VERIFY_URL);
            twitterService.getTwitterAuthService().signRequest(token, me);
            try (var response = twitterService.getTwitterAuthService().execute(me)) {
                if (response.isSuccessful()) {
                    logger.info("Twitter response: {}", response.getBody());
                    JsonNode json = jsonMapper.readTree(response.getBody());
                    var screenName = json.get("data").get("username").asText();
                    if (userService.linkTwitterAccount(user, token.getAccessToken(), token.getRefreshToken(),
                            screenName)) {
                        return "redirect:https://juick.com/settings";
                    } else {
                        throw new HttpBadRequestException();
                    }
                } else {
                    logger.warn("Twitter error {}: {}", response.getCode(), response.getBody());
                    throw new HttpBadRequestException();
                }
            } catch (Exception e) {
                logger.error("Twitter error", e);
                throw new HttpBadRequestException();
            }
        }
    }

    @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:" + vkService.getVkAuthService().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 = vkService.getVkAuthService().getAccessToken(code);

        OAuthRequest meRequest = new OAuthRequest(Verb.GET,
                "https://api.vk.com/method/users.get?fields=screen_name&v=5.131");
        vkService.getVkAuthService().signRequest(token, meRequest);
        try (Response vkResponse = vkService.getVkAuthService().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) {
                    userService.updateVkUser(vkID, token.getAccessToken(), vkName, vkLink);
                    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<String, String> params,
            @RequestParam String hash,
            @RequestHeader(value = "referer", required = false) String referer,
            HttpServletRequest request, 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"));
        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"));
            var user = userService.getUserByTelegramId(tgUser);
            if (user.isPresent()) {
                var authentication = new RememberMeAuthenticationToken(
                        ((AbstractRememberMeServices) rememberMeServices).getKey(),
                        new JuickUser(user.get()), JuickUser.USER_AUTHORITY);
                SecurityContextHolder.getContext().setAuthentication(authentication);
                rememberMeServices.loginSuccess(request, response, authentication);
                return "redirect:" + Optional.ofNullable(referer).orElse(StringUtils.EMPTY);
            } else {
                String username = StringUtils.defaultString(params.get("username"), params.get("first_name"));
                List<Long> 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<String, String> 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();
    }
}