Reorganize layout and code cleanup

1 files changed, 322 insertions, 0 deletions

diff --git a/src/main/java/com/juick/www/api/ApiSocialLogin.java b/src/main/java/com/juick/www/api/ApiSocialLogin.java
new file mode 100644
index 00000000..6499b507
--- /dev/null
+++ b/src/main/java/com/juick/www/api/ApiSocialLogin.java
@@ -0,0 +1,322 @@
+/*
+ * Copyright (C) 2008-2019, 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.api;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.github.scribejava.apis.AppleClientSecretGenerator;
+import com.github.scribejava.apis.AppleSignInApi;
+import com.github.scribejava.apis.FacebookApi;
+import com.github.scribejava.apis.VkontakteApi;
+import com.github.scribejava.core.builder.ServiceBuilder;
+import com.github.scribejava.core.model.OAuth2AccessToken;
+import com.github.scribejava.core.model.OAuthRequest;
+import com.github.scribejava.core.model.Verb;
+import com.github.scribejava.core.oauth.OAuth20Service;
+import com.google.api.client.googleapis.auth.oauth2.GoogleIdToken;
+import com.google.api.client.googleapis.auth.oauth2.GoogleIdTokenVerifier;
+import com.google.api.client.http.HttpTransport;
+import com.google.api.client.http.javanet.NetHttpTransport;
+import com.google.api.client.json.JsonFactory;
+import com.google.api.client.json.jackson2.JacksonFactory;
+import com.juick.model.AuthResponse;
+import com.juick.model.ext.facebook.User;
+import com.juick.server.util.HttpBadRequestException;
+import com.juick.service.CrosspostService;
+import com.juick.service.EmailService;
+import com.juick.service.UserService;
+import com.juick.model.ext.vk.UsersResponse;
+import com.nimbusds.jose.JOSEException;
+import com.nimbusds.jose.proc.BadJOSEException;
+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.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.util.UriComponentsBuilder;
+
+import javax.annotation.PostConstruct;
+import javax.inject.Inject;
+import java.io.IOException;
+import java.security.GeneralSecurityException;
+import java.text.ParseException;
+import java.util.Collections;
+import java.util.Map;
+import java.util.UUID;
+import java.util.concurrent.ExecutionException;
+
+/**
+ *
+ * @author Ugnich Anton
+ */
+@Controller
+public class ApiSocialLogin {
+
+    private static final Logger logger = LoggerFactory.getLogger(ApiSocialLogin.class);
+
+    @Value("${facebook_appid:appid}")
+    private String FACEBOOK_APPID;
+    @Value("${facebook_secret:secret}")
+    private String FACEBOOK_SECRET;
+    private static final String FACEBOOK_REDIRECT = "https://api.juick.com/_fblogin";
+    private static final String VK_REDIRECT = "https://api.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 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("${google_client_id:}")
+    private String googleClientId;
+    @Value("${apple_app_id:appid}")
+    private String appleApplicationId;
+    @Value("${ap_base_uri:http://localhost:8080/}")
+    private String baseUri;
+
+    @Inject
+    private CrosspostService crosspostService;
+    @Inject
+    private UserService userService;
+    @Inject
+    private EmailService emailService;
+    @Inject
+    private AppleClientSecretGenerator clientSecretGenerator;
+    @Inject
+    private Users users;
+
+    private final HttpTransport transport = new NetHttpTransport();
+    private final JsonFactory jsonFactory = new JacksonFactory();
+    private GoogleIdTokenVerifier verifier;
+
+    @PostConstruct
+    public void init() {
+        ServiceBuilder facebookBuilder = new ServiceBuilder(FACEBOOK_APPID);
+        ServiceBuilder twitterBuilder = new ServiceBuilder(twitterConsumerKey);
+        ServiceBuilder vkBuilder = new ServiceBuilder(VK_APPID);
+        verifier = new GoogleIdTokenVerifier.Builder(transport, jsonFactory)
+                .setAudience(Collections.singletonList(googleClientId))
+                .build();
+        facebookAuthService = facebookBuilder
+                .apiSecret(FACEBOOK_SECRET)
+                .callback(FACEBOOK_REDIRECT)
+                .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);
+        UriComponentsBuilder redirectBuilder = UriComponentsBuilder.fromUriString(baseUri);
+        String appleSignInRedirectUri = redirectBuilder.replacePath("/api/_applelogin").build().toUriString();
+        appleSignInService = appleSignInBuilder
+                .callback(appleSignInRedirectUri)
+                .defaultScope("email")
+                .build(new AppleSignInApi(clientSecretGenerator));
+    }
+
+    @GetMapping("/api/_fblogin")
+    protected String doFacebookLogin(@RequestParam(required = false) String code,
+                         @RequestParam(required = false) String state) throws IOException, ExecutionException, InterruptedException {
+        if (StringUtils.isBlank(code)) {
+            String fbstate = UUID.randomUUID().toString();
+            crosspostService.addFacebookState(fbstate, state);
+            return "redirect:" + facebookAuthService.getAuthorizationUrl(fbstate);
+        }
+
+        String redirectUrl = crosspostService.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/v3.2/me?fields=id,name,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.getId(), 0);
+        if (fbID == 0 || StringUtils.isBlank(fb.getName())) {
+            logger.error("Missing required fields, id: {}, name: {}", fbID, fb.getName());
+            throw new HttpBadRequestException();
+        }
+
+        int uid = crosspostService.getUIDbyFBID(fbID);
+        if (uid > 0) {
+            if (!crosspostService.updateFacebookUser(fbID, token.getAccessToken(), fb.getName())) {
+                logger.error("error updating facebook user, id: {}, token: {}", fbID, token.getAccessToken());
+                throw new HttpBadRequestException();
+            }
+            UriComponentsBuilder uriComponentsBuilder = UriComponentsBuilder.fromUriString(redirectUrl);
+            uriComponentsBuilder.queryParam("hash", userService.getHashByUID(uid));
+            uriComponentsBuilder.queryParam("retpath", redirectUrl);
+            return "redirect:" + uriComponentsBuilder.build().toUriString();
+        } else {
+            if (!crosspostService.createFacebookUser(fbID, state, token.getAccessToken(), fb.getName())) {
+                if (StringUtils.isNotEmpty(fb.getEmail())) {
+                    logger.info("found {} for facebook user {}", fb.getEmail(), fb.getName());
+                    Integer userId = crosspostService.getUIDbyFBID(fbID);
+                    if (!emailService.getEmails(userId, false).contains(fb.getEmail())) {
+                        emailService.addEmail(userId, fb.getEmail());
+                    }
+                }
+                logger.info("email not found for facebook user {}", fb.getName());
+                throw new HttpBadRequestException();
+            }
+            return "redirect:/signup?type=fb&hash=" + state;
+        }
+    }
+    @GetMapping("/api/_vklogin")
+    protected String doVKLogin(@RequestParam(required = false) String code,
+                           @RequestParam String state) throws IOException, ExecutionException, InterruptedException {
+        if (StringUtils.isBlank(code)) {
+            String vkstate = UUID.randomUUID().toString();
+            crosspostService.addVKState(vkstate, state);
+            return "redirect:" + vkAuthService.getAuthorizationUrl(vkstate);
+        }
+
+        String redirectUrl = crosspostService.verifyVKState(state);
+        if (StringUtils.isBlank(redirectUrl)) {
+            logger.error("state is missing");
+            throw new HttpBadRequestException();
+        }
+        OAuth2AccessToken token = vkAuthService.getAccessToken(code);
+
+        OAuthRequest meRequest = new OAuthRequest(Verb.GET, "https://api.vk.com/method/users.get?fields=screen_name&v=5.73");
+        vkAuthService.signRequest(token, meRequest);
+        String graph = vkAuthService.execute(meRequest).getBody();
+
+        com.juick.model.ext.vk.User jsonUser = jsonMapper.readValue(graph, UsersResponse.class).getUsers().get(0);
+        String vkName = jsonUser.getFirstName() + " " + jsonUser.getLastName();
+        String vkLink = jsonUser.getScreenName();
+
+        if (vkName.length() == 1 || StringUtils.isBlank(vkLink)) {
+            logger.error("vk user error");
+            throw new HttpBadRequestException();
+        }
+
+        long vkID = NumberUtils.toLong(jsonUser.getId(), 0);
+        int uid = crosspostService.getUIDbyVKID(vkID);
+        if (uid > 0) {
+            UriComponentsBuilder uriComponentsBuilder = UriComponentsBuilder.fromUriString(redirectUrl);
+            uriComponentsBuilder.queryParam("hash", userService.getHashByUID(uid));
+            uriComponentsBuilder.queryParam("retpath", redirectUrl);
+            return "redirect:" + uriComponentsBuilder.build().toUriString();
+        } else {
+            String loginhash = UUID.randomUUID().toString();
+            if (!crosspostService.createVKUser(vkID, loginhash, token.getAccessToken(), vkName, vkLink)) {
+                logger.error("create vk user error");
+                throw new HttpBadRequestException();
+            }
+            return "redirect:/signup?type=vk&hash=" + loginhash;
+        }
+    }
+    @ResponseBody
+    @PostMapping("/api/_google")
+    public ResponseEntity<AuthResponse> googleSignIn(@RequestParam(name = "idToken") String idTokenString)
+            throws GeneralSecurityException, IOException {
+        logger.info("Token: {}", idTokenString);
+        logger.info("Client: {}", googleClientId);
+        GoogleIdToken idToken = verifier.verify(idTokenString);
+        if (idToken != null) {
+            String email = idToken.getPayload().getEmail();
+            com.juick.model.User visitor = userService.getUserByEmail(email);
+            if (visitor.isAnonymous()) {
+                String verificationCode = RandomStringUtils.randomAlphanumeric(8).toUpperCase();
+                emailService.addVerificationCode(null, email, verificationCode);
+                return ResponseEntity.ok(new AuthResponse(null, email, verificationCode));
+            } else {
+                return ResponseEntity.ok(new AuthResponse(users.getMe(visitor), null, null));
+            }
+        }
+        return ResponseEntity.status(HttpStatus.FORBIDDEN).body(null);
+    }
+    @ResponseBody
+    @PostMapping("/api/signup")
+    public ResponseEntity<com.juick.model.User> signupWithEmail(String username, String password, String verificationCode) {
+        if (username.length() < 2 || username.length() > 16 || !username.matches("^[a-zA-Z0-9\\-]+$")
+                || password.length() < 6 || password.length() > 32) {
+            throw new HttpBadRequestException();
+        }
+
+        String verifiedEmail = emailService.getEmailByAuthCode(verificationCode);
+        if (StringUtils.isNotEmpty(verifiedEmail)) {
+            com.juick.model.User newUser = userService.createUser(username, password).orElseThrow(HttpBadRequestException::new);
+            emailService.addEmail(newUser.getUid(), verifiedEmail);
+            emailService.deleteAuthCode(verificationCode);
+            return ResponseEntity.ok(newUser);
+        } else {
+            return ResponseEntity.status(HttpStatus.FORBIDDEN).body(null);
+        }
+    }
+    @GetMapping("/api/_applelogin")
+    public String doAppleLogin(@RequestParam(required = false) String code, @RequestParam String state) {
+        if (StringUtils.isBlank(code)) {
+            String astate = UUID.randomUUID().toString();
+            crosspostService.addVKState(astate, state);
+            return "redirect:" + appleSignInService.getAuthorizationUrl(astate);
+        }
+        throw new HttpBadRequestException();
+    }
+    @PostMapping("/api/_applelogin")
+    public String doVerifyAppleResponse(@RequestParam Map<String, String> body) throws InterruptedException, ExecutionException, IOException, ParseException, JOSEException, BadJOSEException {
+        OAuth2AccessToken token = appleSignInService.getAccessToken(body.get("code"));
+        var jsonNode = jsonMapper.readTree(token.getRawResponse());
+        var idToken = jsonNode.get("id_token").textValue();
+
+        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()) {
+                String redirectUrl = crosspostService.verifyVKState(body.get("state"));
+                if (StringUtils.isBlank(redirectUrl)) {
+                    logger.error("state is missing");
+                    throw new HttpBadRequestException();
+                }
+                UriComponentsBuilder uriComponentsBuilder = UriComponentsBuilder.fromUriString(redirectUrl);
+                uriComponentsBuilder.queryParam("hash", userService.getHashByUID(user.getUid()));
+                uriComponentsBuilder.queryParam("retpath", redirectUrl);
+                return "redirect:" + uriComponentsBuilder.build().toUriString();
+            } else {
+                String verificationCode = RandomStringUtils.randomAlphanumeric(8).toUpperCase();
+                emailService.addVerificationCode(null, email.get(), verificationCode);
+                return "redirect:/signup?type=email&hash=" + verificationCode;
+            }
+        }
+        throw new HttpBadRequestException();
+    }
+}