Merge everything into single Spring Boot application

8 files changed, 1643 insertions, 0 deletions

diff --git a/src/main/java/com/juick/server/www/controllers/AnythingFilter.java b/src/main/java/com/juick/server/www/controllers/AnythingFilter.java
new file mode 100644
index 00000000..cdbeafc0
--- /dev/null
+++ b/src/main/java/com/juick/server/www/controllers/AnythingFilter.java
@@ -0,0 +1,69 @@
+package com.juick.server.www.controllers;
+
+import com.juick.server.util.WebUtils;
+import com.juick.service.MessagesService;
+import com.juick.service.UserService;
+import org.apache.commons.lang3.math.NumberUtils;
+import org.springframework.stereotype.Component;
+import org.springframework.web.filter.OncePerRequestFilter;
+import org.springframework.web.servlet.support.ServletUriComponentsBuilder;
+import org.springframework.web.util.UriComponents;
+
+import javax.annotation.Nonnull;
+import javax.inject.Inject;
+import javax.servlet.*;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+
+@Component
+public class AnythingFilter extends OncePerRequestFilter {
+    @Inject
+    private MessagesService messagesService;
+    @Inject
+    private UserService userService;
+
+    @Override
+    public void doFilterInternal(@Nonnull HttpServletRequest servletRequest,
+                                 @Nonnull HttpServletResponse servletResponse,
+                                 @Nonnull FilterChain filterChain) throws IOException, ServletException {
+        String upgrade = servletRequest.getHeader("Connection");
+        if (upgrade != null && upgrade.equals("Upgrade")) {
+            filterChain.doFilter(servletRequest, servletResponse);
+            return;
+        }
+        UriComponents components = ServletUriComponentsBuilder.fromCurrentRequestUri().build();
+        String anything = components.getPath().substring(1);
+        int before = NumberUtils.toInt(components.getQueryParams().getFirst("before"), 0);
+        if (before == 0) {
+            boolean isPostNumber = WebUtils.isPostNumber(anything);
+            int messageId = isPostNumber ?
+                    NumberUtils.toInt(anything) : 0;
+
+            if (isPostNumber && anything.equals(Integer.toString(messageId))) {
+                if (messageId > 0) {
+                    com.juick.User author = messagesService.getMessageAuthor(messageId);
+
+                    if (author != null) {
+                        servletResponse.setStatus(HttpServletResponse.SC_MOVED_PERMANENTLY);
+                        servletResponse.setHeader("Location", "/" + author.getName() + "/" + anything);
+                        return;
+                    }
+                }
+            }
+            com.juick.User user = userService.getUserByName(anything);
+            if (user.getUid() > 0) {
+                ((HttpServletResponse)servletResponse).sendRedirect("/" + user.getName() + "/");
+            } else {
+                filterChain.doFilter(servletRequest, servletResponse);
+            }
+        } else {
+            com.juick.User user = userService.getUserByName(anything);
+            if (!user.isAnonymous()) {
+                ((HttpServletResponse) servletResponse).sendRedirect("/" + user.getName() + "/?before=" + before);
+            } else {
+                filterChain.doFilter(servletRequest, servletResponse);
+            }
+        }
+    }
+}
diff --git a/src/main/java/com/juick/server/www/controllers/Help.java b/src/main/java/com/juick/server/www/controllers/Help.java
new file mode 100644
index 00000000..61b58a9d
--- /dev/null
+++ b/src/main/java/com/juick/server/www/controllers/Help.java
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2008-2017, 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.server.www.controllers;
+
+import com.juick.server.util.HttpNotFoundException;
+import com.juick.server.util.UserUtils;
+import com.juick.service.MessagesService;
+import com.juick.server.www.HelpService;
+import org.commonmark.parser.Parser;
+import org.commonmark.renderer.html.HtmlRenderer;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+
+import javax.inject.Inject;
+import java.io.IOException;
+import java.net.URISyntaxException;
+import java.util.Locale;
+import java.util.Objects;
+
+/**
+ * Created by aalexeev on 11/21/16.
+ */
+@Controller
+public class Help {
+    @Inject
+    private HelpService helpService;
+    @Inject
+    private MessagesService messagesService;
+    @Inject
+    private Parser cmParser;
+    @Inject
+    private HtmlRenderer helpRenderer;
+
+    @GetMapping({"/help/", "/help", "/help/{langOrPage}", "/help/{lang}/{page}"})
+    public String showHelp(
+            Locale locale,
+            @PathVariable(required = false, name = "lang") String lang,
+            @PathVariable(required = false, name = "page") String page,
+            @PathVariable(required = false, name = "langOrPage") String langOrPage,
+            Model model) throws IOException, URISyntaxException {
+        com.juick.User visitor = UserUtils.getCurrentUser();
+
+        String navigation = null;
+
+        if (langOrPage != null) {
+            if (helpService.canBeLang(langOrPage)) {
+                navigation = helpService.getHelp("navigation", langOrPage);
+                if (navigation != null)
+                    lang = langOrPage;
+            }
+
+            if (navigation == null && helpService.canBePage(langOrPage))
+                page = langOrPage;
+        }
+
+        if (lang == null) {
+            lang = locale.getLanguage();
+        }
+
+        String content = helpService.getHelp(page, lang);
+        if (content == null && !Objects.equals("tos", page))
+            content = helpService.getHelp("tos", lang);
+
+        if (navigation == null)
+            navigation = helpService.getHelp("navigation", lang);
+
+        if (content == null || navigation == null)
+            throw new HttpNotFoundException();
+
+        model.addAttribute("navigation", helpRenderer.render(cmParser.parse(navigation)));
+        model.addAttribute("content", helpRenderer.render(cmParser.parse(content)));
+        model.addAttribute("visitor", visitor);
+
+        return "views/help";
+    }
+}
diff --git a/src/main/java/com/juick/server/www/controllers/Login.java b/src/main/java/com/juick/server/www/controllers/Login.java
new file mode 100644
index 00000000..d933934e
--- /dev/null
+++ b/src/main/java/com/juick/server/www/controllers/Login.java
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2008-2017, 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.server.www.controllers;
+
+import com.juick.server.util.UserUtils;
+import com.juick.service.UserService;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.ModelMap;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+
+import javax.inject.Inject;
+
+/**
+ * @author Ugnich Anton
+ */
+@Controller
+public class Login {
+    @Inject
+    private UserService userService;
+
+    @GetMapping("/login")
+    public String getloginForm(@RequestParam(required = false, defaultValue = "true") boolean redirect) {
+        com.juick.User visitor = UserUtils.getCurrentUser();
+
+        if (!visitor.isAnonymous()) {
+            return redirect ? "redirect:/" : "redirect:/login/success";
+        }
+        return "views/login";
+    }
+    @GetMapping("/login/success")
+    public String getSuccessLogin(ModelMap model) {
+        model.addAttribute("hash", userService.getHashByUID(UserUtils.getCurrentUser().getUid()));
+        return "views/login_success";
+    }
+}
diff --git a/src/main/java/com/juick/server/www/controllers/MessagesWWW.java b/src/main/java/com/juick/server/www/controllers/MessagesWWW.java
new file mode 100644
index 00000000..0708e27f
--- /dev/null
+++ b/src/main/java/com/juick/server/www/controllers/MessagesWWW.java
@@ -0,0 +1,593 @@
+/*
+ * Copyright (C) 2008-2017, 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.server.www.controllers;
+
+import com.juick.Message;
+import com.juick.Tag;
+import com.juick.formatters.PlainTextFormatter;
+import com.juick.server.Utils;
+import com.juick.server.util.HttpForbiddenException;
+import com.juick.server.util.HttpNotFoundException;
+import com.juick.server.util.UserUtils;
+import com.juick.server.util.WebUtils;
+import com.juick.service.*;
+import com.juick.util.MessageUtils;
+import org.apache.commons.codec.CharEncoding;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.commons.text.StringEscapeUtils;
+import org.springframework.context.ApplicationEventPublisher;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.ModelMap;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.servlet.support.ServletUriComponentsBuilder;
+import org.springframework.web.util.UriComponents;
+import ru.sape.Sape;
+
+import javax.inject.Inject;
+import javax.servlet.http.HttpServletRequest;
+import java.io.IOException;
+import java.net.URLEncoder;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Optional;
+import java.util.stream.Collectors;
+
+/**
+ *
+ * @author Ugnich Anton
+ */
+@Controller
+public class MessagesWWW {
+    @Inject
+    private UserService userService;
+    @Inject
+    private TagService tagService;
+    @Inject
+    private MessagesService messagesService;
+    @Inject
+    private Optional<Sape> sape;
+    @Inject
+    private PMQueriesService pmQueriesService;
+    @Inject
+    private CrosspostService crosspostService;
+    @Inject
+    private ApplicationEventPublisher applicationEventPublisher;
+
+    void fillUserModel(ModelMap model, com.juick.User user, com.juick.User visitor) {
+        model.addAttribute("user", user);
+        model.addAttribute("isSubscribed", userService.isSubscribed(visitor.getUid(), user.getUid()));
+        model.addAttribute("isInBL", userService.isInBL(visitor.getUid(), user.getUid()));
+        model.addAttribute("isInBLAny", userService.isInBLAny(user.getUid(), visitor.getUid()));
+        model.addAttribute("statsIRead", userService.getUserFriends(user.getUid()).size());
+        model.addAttribute("statsMyReaders", userService.getStatsMyReaders(user.getUid()));
+        model.addAttribute("statsMyBL", userService.getUserBLUsers(user.getUid()).size());
+        model.addAttribute("statsMessages", userService.getStatsMessages(user.getUid()));
+        model.addAttribute("statsReplies", userService.getStatsReplies(user.getUid()));
+        model.addAttribute("iread", userService.getUserReadLeastPopular(user.getUid(), 8));
+        model.addAttribute("tagStats", tagService.getUserTagStats(user.getUid())
+                .stream().sorted((e1, e2) -> Integer.compare(e2.getUsageCount(), e1.getUsageCount())).limit(20).map(t -> t.getTag().getName()).collect(Collectors.toList()));
+    }
+
+    @GetMapping("/")
+    protected String doGet(
+            @RequestParam(required = false) String tag,
+            @RequestParam(name = "show", required = false) String paramShow,
+            @RequestParam(name = "search", required = false) String paramSearch,
+            @RequestParam(name = "before", required = false, defaultValue = "0") Integer paramBefore,
+            @RequestParam(name = "to", required = false, defaultValue = "0") Long paramTo,
+            @RequestParam(name = "page", required = false, defaultValue = "0") Integer page,
+            @CookieValue(name = "sape_cookie", required = false, defaultValue = StringUtils.EMPTY) String sapeCookie,
+            ModelMap model) throws IOException {
+        if (tag != null) {
+            return "redirect:/tag/" + URLEncoder.encode(tag, CharEncoding.UTF_8);
+        }
+        com.juick.User visitor = UserUtils.getCurrentUser();
+
+        if (paramSearch != null && paramSearch.length() > 64) {
+            paramSearch = null;
+        }
+
+        model.addAttribute("discover", false);
+
+        String title;
+        List<Integer> mids;
+
+        if (paramSearch != null) {
+            title = "Поиск: " + StringEscapeUtils.escapeHtml4(paramSearch);
+            mids = messagesService.getSearch(visitor, Utils.encodeSphinx(paramSearch), page);
+        } else if (paramShow == null) {
+            title = "Обсуждения";
+            mids = messagesService.getDiscussions(visitor.getUid(), paramTo);
+        } else if (paramShow.equals("top")) {
+            title = "Популярные";
+            mids = messagesService.getPopular(visitor.getUid(), paramBefore);
+            model.addAttribute("discover", true);
+        } else if (paramShow.equals("my") && !visitor.isAnonymous()) {
+            title = "Моя лента";
+            mids = messagesService.getMyFeed(visitor.getUid(), paramBefore, true);
+        } else if (paramShow.equals("private") && !visitor.isAnonymous()) {
+            title = "Приватные";
+            mids = messagesService.getPrivate(visitor.getUid(), paramBefore);
+        } else if (paramShow.equals("discuss")) {
+            return "redirect:/";
+        } else if (paramShow.equals("recommended") && !visitor.isAnonymous()) {
+            title = "Рекомендации";
+            mids = messagesService.getRecommended(visitor.getUid(), paramBefore);
+        } else if (paramShow.equals("photos")) {
+            title = "Фотографии";
+            mids = messagesService.getPhotos(visitor.getUid(), paramBefore);
+            model.addAttribute("discover", true);
+        } else if (paramShow.equals("all")) {
+            title = "Все сообщения";
+            mids = messagesService.getAll(visitor.getUid(), paramBefore);
+            model.addAttribute("discover", true);
+        } else {
+            throw new HttpNotFoundException();
+        }
+
+        String head = "<meta name=\"Description\" content=\"" + title + "\" />\n";;
+
+        if (paramBefore > 0 || paramShow != null) {
+            head = "<meta name=\"robots\" content=\"noindex\"/>";
+        }
+        model.addAttribute("title", title);
+        model.addAttribute("headers", head);
+        model.addAttribute("visitor", visitor);
+        model.addAttribute("noindex", !(paramShow == null && paramBefore == 0));
+        List<com.juick.Message> msgs = messagesService.getMessages(visitor, mids);
+
+        if (!visitor.isAnonymous()) {
+            fillUserModel(model, visitor, visitor);
+            List<Integer> unread = messagesService.getUnread(visitor);
+            visitor.setUnreadCount(unread.size());
+            List<Integer> blUIDs = userService.checkBL(visitor.getUid(),
+                    msgs.stream().map(m -> m.getUser().getUid()).collect(Collectors.toList()));
+            msgs.forEach(m -> {
+                m.ReadOnly |= blUIDs.contains(m.getUser().getUid());
+                m.setUnread(unread.contains(m.getMid()));
+            });
+        }
+        model.addAttribute("msgs", msgs);
+        model.addAttribute("tags", tagService.getPopularTags());
+        model.addAttribute("headers", head);
+        model.addAttribute("showAdv",
+                paramShow == null && paramBefore == 0 && paramSearch == null && visitor.isAnonymous());
+        if (mids.size() >= 20) {
+            String nextpage = (paramShow == null) ? "?to=" + msgs.get(msgs.size() - 1).getUpdated().toEpochMilli() : paramSearch != null ? String.format("?page=%d", page + 1) : "?before=" + mids.get(mids.size() - 1);
+            if (paramShow != null) {
+                nextpage += "&amp;show=" + paramShow;
+            }
+            if (paramSearch != null) {
+                nextpage += "&amp;search=" + URLEncoder.encode(paramSearch, CharEncoding.UTF_8);
+            }
+            model.addAttribute("nextpage", nextpage);
+        }
+        UriComponents builder = ServletUriComponentsBuilder.fromCurrentRequestUri().build();
+        String queryString = builder.getQuery();
+        String requestURI = builder.toUri().getPath();
+        if (sape.isPresent() && visitor.isAnonymous() && queryString == null) {
+            String links = sape.get().getPageLinks(requestURI, sapeCookie).render();
+            model.addAttribute("links", links);
+        }
+        return "views/index";
+    }
+
+    @GetMapping(path = "/{uname}/", headers = "Connection!=Upgrade")
+    protected String doGetBlog(
+            @RequestParam(required = false, name = "show") String paramShow,
+            @RequestParam(required = false, name = "tag") String paramTagStr,
+            @RequestParam(required = false, name = "search") String paramSearch,
+            @RequestParam(required = false, name = "page", defaultValue = "0") Integer page,
+            @PathVariable String uname,
+            @RequestParam(required = false, defaultValue = "0") Integer before,
+            @CookieValue(name = "sape_cookie", required = false, defaultValue = StringUtils.EMPTY) String sapeCookie,
+            ModelMap model) throws IOException {
+        com.juick.User user = userService.getUserByName(uname);
+        com.juick.User visitor = UserUtils.getCurrentUser();
+        if (user.isBanned() || user.isAnonymous()) {
+            throw new HttpNotFoundException();
+        }
+
+        List<Integer> mids;
+
+        com.juick.Tag paramTag = null;
+        if (paramTagStr != null) {
+            if (paramTagStr.length() < 64) {
+                paramTag = tagService.getTag(paramTagStr, false);
+            }
+            if (paramTag == null) {
+                throw new HttpNotFoundException();
+            } else if (!paramTag.getName().equals(paramTagStr)) {
+                String url = user.getName() + "/?tag=" + URLEncoder.encode(paramTag.getName(), CharEncoding.UTF_8);
+                return "redirect:/" + url;
+            }
+        }
+        if (paramSearch != null && paramSearch.length() > 64) {
+            paramSearch = null;
+        }
+
+        int privacy = 0;
+        if (!visitor.isAnonymous()) {
+            if (user.getUid() == visitor.getUid() || visitor.getUid() == 1) {
+                privacy = -3;
+            } else if (userService.isInWL(user.getUid(), visitor.getUid())) {
+                privacy = -2;
+            }
+        }
+
+        String title;
+        if (paramShow == null) {
+            if (paramTag != null) {
+                title = "Блог " + user.getName() + ": *" + StringEscapeUtils.escapeHtml4(paramTag.getName());
+                mids = messagesService.getUserTag(user.getUid(), paramTag.TID, privacy, before);
+            } else if (paramSearch != null) {
+                title = "Блог " + user.getName() + ": " + StringEscapeUtils.escapeHtml4(paramSearch);
+                mids = messagesService.getUserSearch(visitor, user.getUid(), Utils.encodeSphinx(paramSearch), privacy, page);
+            } else {
+                title = "Блог " + user.getName();
+                mids = messagesService.getUserBlog(user.getUid(), privacy, before);
+            }
+        } else if (paramShow.equals("recomm")) {
+            title = "Рекомендации " + user.getName();
+            mids = messagesService.getUserRecommendations(user.getUid(), before);
+        } else if (paramShow.equals("photos")) {
+            title = "Фотографии " + user.getName();
+            mids = messagesService.getUserPhotos(user.getUid(), privacy, before);
+        } else {
+            throw new HttpNotFoundException();
+        }
+
+        String head = "<link rel=\"alternate\" type=\"application/rss+xml\" title=\"@" +
+                user.getName() + "\" href=\"//rss.juick.com/" + user.getName() + "/blog\"/>";
+        head += "<meta name=\"Description\" content=\"" + title + "\" />\n";
+        if (paramTag != null && tagService.getTagNoIndex(paramTag.TID)) {
+            head += "<meta name=\"robots\" content=\"noindex,nofollow\"/>";
+        } else if (before > 0 || paramShow != null) {
+            head += "<meta name=\"robots\" content=\"noindex\"/>";
+        }
+        model.addAttribute("pageUrl", "http://juick.com/" + user.getName());
+        model.addAttribute("title", title);
+        model.addAttribute("headers", head);
+        model.addAttribute("visitor", visitor);
+        model.addAttribute("noindex", paramShow == null && before == 0);
+        fillUserModel(model, user, visitor);
+        model.addAttribute("paramTag", paramTag);
+        List<com.juick.Message> msgs = messagesService.getMessages(visitor, mids);
+
+        if (!visitor.isAnonymous()) {
+            List<Integer> unread = messagesService.getUnread(visitor);
+            visitor.setUnreadCount(unread.size());
+            List<Integer> blUIDs = userService.checkBL(visitor.getUid(),
+                    msgs.stream().map(m -> m.getUser().getUid()).collect(Collectors.toList()));
+            msgs.forEach(m -> {
+                m.ReadOnly |= blUIDs.contains(m.getUser().getUid());
+                m.setUnread(unread.contains(m.getMid()));
+            });
+        }
+        model.addAttribute("msgs", msgs);
+        model.addAttribute("headers", head);
+        model.addAttribute("showAdv",
+                paramShow == null && before == 0 && paramSearch == null && visitor.getUid() == 0);
+        if (mids.size() >= 20) {
+            String nextpage = paramSearch != null ? String.format("?page=%d", page + 1) : "?before=" + mids.get(mids.size() - 1);
+            if (paramShow != null) {
+                nextpage += "&amp;show=" + paramShow;
+            }
+            if (paramSearch != null) {
+                nextpage += "&amp;search=" + URLEncoder.encode(paramSearch, CharEncoding.UTF_8);
+            }
+            if (paramTag != null) {
+                nextpage += "&amp;tag=" + URLEncoder.encode(paramTag.getName(), CharEncoding.UTF_8);
+            }
+            model.addAttribute("nextpage", nextpage);
+        }
+        UriComponents builder = ServletUriComponentsBuilder.fromCurrentRequestUri().build();
+        String queryString = builder.getQuery();
+        String requestURI = builder.toUri().getPath();
+        if (sape.isPresent() && visitor.isAnonymous() && queryString == null) {
+            String links = sape.get().getPageLinks(requestURI, sapeCookie).render();
+            model.addAttribute("links", links);
+        }
+        return "views/blog";
+    }
+
+    @GetMapping("/{uname}/tags")
+    protected String doGetTags(@PathVariable String uname, ModelMap model) throws IOException {
+        com.juick.User user = userService.getUserByName(uname);
+        com.juick.User visitor = UserUtils.getCurrentUser();
+        if (visitor.isBanned()) {
+            throw new HttpNotFoundException();
+        }
+
+        model.addAttribute("title", "Теги " + user.getName());
+        model.addAttribute("headers", "<meta name=\"robots\" content=\"noindex,nofollow\"/>");
+        model.addAttribute("visitor", visitor);
+        fillUserModel(model, user, visitor);
+        model.addAttribute("tags", tagService.getUserTagStats(user.getUid()).stream()
+                .sorted((e1, e2) -> Integer.compare(e2.getUsageCount(), e1.getUsageCount())).map(t -> t.getTag().getName()).collect(Collectors.toList()));
+
+        return "views/blog_tags";
+    }
+
+    @GetMapping("/{uname}/friends")
+    protected String doGetFriends(@PathVariable String uname, ModelMap model) throws IOException {
+        com.juick.User user = userService.getUserByName(uname);
+        com.juick.User visitor = UserUtils.getCurrentUser();
+        if (visitor.isBanned()) {
+            throw new HttpNotFoundException();
+        }
+        model.addAttribute("title", "Подписки " + user.getName());
+        model.addAttribute("headers", "<meta name=\"robots\" content=\"noindex\"/>");
+        model.addAttribute("visitor", visitor);
+        fillUserModel(model, user, visitor);
+        model.addAttribute("users", userService.getUserFriends(user.getUid()));
+
+        return "views/users";
+    }
+
+    @GetMapping("/{uname}/readers")
+    protected String doGetReaders(@PathVariable String uname, ModelMap model) throws IOException {
+        com.juick.User user = userService.getUserByName(uname);
+        com.juick.User visitor = UserUtils.getCurrentUser();
+        if (visitor.isBanned()) {
+            throw new HttpForbiddenException();
+        }
+        model.addAttribute("title", "Читатели " + user.getName());
+        model.addAttribute("headers", "<meta name=\"robots\" content=\"noindex\"/>");
+        model.addAttribute("visitor", visitor);
+        fillUserModel(model, user, visitor);
+        model.addAttribute("users", userService.getUserReaders(user.getUid()));
+
+        return "views/users";
+    }
+
+    @GetMapping("/{uname}/bl")
+    protected String doGetBL(@PathVariable String uname, ModelMap model) throws IOException {
+        com.juick.User user = userService.getUserByName(uname);
+        com.juick.User visitor = UserUtils.getCurrentUser();
+        if (visitor.isBanned() || visitor.getUid() != user.getUid()) {
+            throw new HttpForbiddenException();
+        }
+        model.addAttribute("title", "Черный список " + user.getName());
+        model.addAttribute("headers", "<meta name=\"robots\" content=\"noindex\"/>");
+        model.addAttribute("visitor", visitor);
+        fillUserModel(model, user, visitor);
+        model.addAttribute("users", userService.getUserBLUsers(user.getUid()));
+
+        return "views/users";
+    }
+    @GetMapping("/tag/{tagName}")
+    protected String tagAction(HttpServletRequest request,
+                               @PathVariable String tagName,
+                               @CookieValue(name = "sape_cookie", required = false, defaultValue = StringUtils.EMPTY) String sapeCookie,
+                               @RequestParam(required = false, defaultValue = "0") int before,
+                               ModelMap model) throws IOException {
+        com.juick.User visitor = UserUtils.getCurrentUser();
+
+        String paramTagStr = StringEscapeUtils.unescapeHtml4(tagName);
+        com.juick.Tag paramTag = tagService.getTag(paramTagStr, false);
+        if (paramTag == null) {
+            throw new HttpNotFoundException();
+        } else if (paramTag.SynonymID > 0 && paramTag.TID != paramTag.SynonymID) {
+            com.juick.Tag synTag = tagService.getTag(paramTag.SynonymID);
+            String url = "/tag/" + URLEncoder.encode(StringEscapeUtils.escapeHtml4(synTag.getName()), CharEncoding.UTF_8);
+            if (request.getQueryString() != null) {
+                url += "?" + request.getQueryString();
+            }
+            return "redirect:" + url;
+        } else if (!paramTag.getName().equals(paramTagStr)) {
+            String url = "/tag/" + URLEncoder.encode(StringEscapeUtils.escapeHtml4(paramTag.getName()), CharEncoding.UTF_8);
+            if (request.getQueryString() != null) {
+                url += "?" + request.getQueryString();
+            }
+            return "redirect:" + url;
+        }
+
+        String title = "*" + StringEscapeUtils.escapeHtml4(paramTag.getName());
+        model.addAttribute("title", title);
+        List<Integer> mids = messagesService.getTag(paramTag.TID, visitor.getUid(), before, (visitor.isAnonymous()) ? 40 : 20);
+        List<com.juick.Message> msgs = messagesService.getMessages(visitor, mids);
+        if (!visitor.isAnonymous()) {
+            List<Integer> unread = messagesService.getUnread(visitor);
+            visitor.setUnreadCount(unread.size());
+            List<Integer> blUIDs = userService.checkBL(
+                    visitor.getUid(),
+                    msgs.stream().map(m -> m.getUser().getUid()).collect(Collectors.toList())
+                    );
+            msgs.forEach(m -> {
+                m.ReadOnly |= blUIDs.contains(m.getUser().getUid());
+                m.setUnread(unread.contains(m.getMid()));
+            });
+            fillUserModel(model, visitor, visitor);
+        }
+
+        String head = StringUtils.EMPTY;
+        if (tagService.getTagNoIndex(paramTag.TID)) {
+            head = "<meta name=\"robots\" content=\"noindex,nofollow\"/>";
+        } else if (before > 0 || mids.size() < 5) {
+            head = "<meta name=\"robots\" content=\"noindex\"/>";
+        }
+        model.addAttribute("headers", head);
+        model.addAttribute("visitor", visitor);
+        model.addAttribute("tag", paramTag);
+        model.addAttribute("title", title);
+        model.addAttribute("msgs", msgs);
+        model.addAttribute("tags", tagService.getPopularTags());
+        model.addAttribute("noindex", before > 0);
+        model.addAttribute("showAdv", before == 0 && visitor.isAnonymous());
+        model.addAttribute("isSubscribed", tagService.isSubscribed(visitor, paramTag));
+        model.addAttribute("isInBL", tagService.isInBL(visitor, paramTag));
+        if (mids.size() >= 20) {
+            String nextpage = "/tag/" + URLEncoder.encode(paramTag.getName(), CharEncoding.UTF_8) + "?before=" + mids.get(mids.size() - 1);
+            model.addAttribute("nextpage", nextpage);
+        }
+        UriComponents builder = ServletUriComponentsBuilder.fromCurrentRequestUri().build();
+        String queryString = builder.getQuery();
+        String requestURI = builder.toUri().getPath();
+        if (sape.isPresent() && visitor.isAnonymous() && queryString == null) {
+            String links = sape.get().getPageLinks(requestURI, sapeCookie).render();
+            model.addAttribute("links", links);
+        }
+        return "views/index";
+    }
+    @GetMapping("/pm/inbox")
+    protected String doGetInbox(ModelMap model) {
+        com.juick.User visitor = UserUtils.getCurrentUser();
+        if (visitor.isAnonymous()) {
+            return "redirect:/login";
+        }
+        String title = "PM: Inbox";
+        List<com.juick.Message> msgs = pmQueriesService.getLastPMInbox(visitor.getUid());
+        fillUserModel(model, visitor, visitor);
+        model.addAttribute("title", title);
+        model.addAttribute("visitor", visitor);
+        model.addAttribute("msgs", msgs);
+        model.addAttribute("tags", tagService.getPopularTags());
+        return "views/pm_inbox";
+    }
+
+    @GetMapping("/pm/sent")
+    protected String doGetSent(@RequestParam(required = false) String uname,
+                               ModelMap model) {
+        com.juick.User visitor = UserUtils.getCurrentUser();
+        if (visitor.isAnonymous()) {
+            return "redirect:/login";
+        }
+        String title = "PM: Sent";
+        List<com.juick.Message> msgs = pmQueriesService.getLastPMSent(visitor.getUid());
+
+        if (WebUtils.isNotUserName(uname)) {
+            uname = StringUtils.EMPTY;
+        }
+        fillUserModel(model, visitor, visitor);
+        model.addAttribute("title", title);
+        model.addAttribute("visitor", visitor);
+        model.addAttribute("msgs", msgs);
+        model.addAttribute("tags", tagService.getPopularTags());
+        model.addAttribute("uname", uname);
+        return "views/pm_sent";
+    }
+    @GetMapping(value = "/{uname}/{mid}", produces = MediaType.TEXT_HTML_VALUE)
+    protected String threadAction(ModelMap model,
+                                  @PathVariable String uname,
+                                  @PathVariable int mid,
+                                  @CookieValue(name = "sape_cookie",
+                                          required = false, defaultValue = StringUtils.EMPTY) String sapeCookie) {
+        com.juick.User visitor = UserUtils.getCurrentUser();
+
+        if (!messagesService.canViewThread(mid, visitor.getUid())) {
+            throw new HttpForbiddenException();
+        }
+
+        com.juick.Message msg = messagesService.getMessage(mid);
+
+        if (msg == null || msg.getUser().isBanned()) {
+            throw new HttpNotFoundException();
+        }
+
+        com.juick.User user = userService.getUserByName(uname);
+        if (user.isAnonymous() || !msg.getUser().equals(user)) {
+            return String.format("redirect:/%s/%d", msg.getUser().getName(), mid);
+        }
+        msg.VisitorCanComment = !visitor.isAnonymous();
+        List<com.juick.Message> replies = messagesService.getReplies(visitor, msg.getMid());
+        // this should be after getReplies to mark thread as read
+        fillUserModel(model, user, visitor);
+        if (!visitor.isAnonymous()) {
+            List<Integer> unread = messagesService.getUnread(visitor);
+            visitor.setUnreadCount(unread.size());
+            boolean isMsgAuthor = visitor.getUid() == msg.getUser().getUid();
+            boolean isInBL = userService.isInBLAny(msg.getUser().getUid(), visitor.getUid());
+            msg.VisitorCanComment = isMsgAuthor || !(msg.ReadOnly || isInBL);
+        }
+        model.addAttribute("msg", msg);
+
+        String title = msg.getUser().getName() + ": " + MessageUtils.getTagsString(msg);
+
+        model.addAttribute("title", title);
+        model.addAttribute("visitor", visitor);
+        String headers = "<link rel=\"alternate\" type=\"application/rss+xml\" title=\"@" + msg.getUser().getName() + "\" href=\"//rss.juick.com/" + msg.getUser().getName() + "/blog\"/>";
+        String pageUrl = "https://juick.com/" + msg.getUser().getName() + "/" + msg.getMid();
+        if (msg.Hidden) {
+            headers += "<meta name=\"robots\" content=\"noindex\"/>";
+        }
+        String cardType = StringUtils.isNotEmpty(msg.getAttachmentType()) ? "summary_large_image" : "summary";
+        if (StringUtils.isNotEmpty(msg.getAttachmentType()))  {
+            // additional check in case of broken images
+            if (msg.getAttachment() != null) {
+                String msgImage = msg.getAttachment().getMedium().getUrl();
+                headers += "<meta property=\"og:image\" content=\"" + msgImage + "\" />";
+            }
+        } else {
+            String msgImage ="https://i.juick.com/a/" + msg.getUser().getUid() + ".png";
+            headers += "<meta property=\"og:image\" content=\"" + msgImage + "\" />";
+        }
+        model.addAttribute("ogtype", "article");
+        String cardDescription = StringEscapeUtils.escapeHtml4(PlainTextFormatter.formatTwitterCard(msg));
+        headers += "<meta name=\"twitter:card\" content=\"" + cardType + "\" />\n" +
+                "<meta name=\"twitter:site\" content=\"@juick\" />\n" +
+                "<meta property=\"og:url\" content=\"" + pageUrl + "\" />\n" +
+                "<meta property=\"og:title\" content=\"" + msg.getUser().getName() + " at Juick\" />\n" +
+                "<meta property=\"og:description\" content=\"" + cardDescription + "\" />\n" +
+                "<meta name=\"Description\" content=\"" + cardDescription + "\" />\n";
+        String twitterName = crosspostService.getTwitterName(msg.getUser().getUid());
+        if (StringUtils.isNotEmpty(twitterName)) {
+            headers += "<meta name=\"twitter:creator\" content=\"@" + twitterName + "\" />\n";
+        }
+        if (msg.getTags().size() > 0) {
+            headers += "<meta name=\"Keywords\" content=\"" + msg.getTags().stream().map(Tag::getName)
+                    .collect(Collectors.joining(", ")) + "\" />\n";
+        }
+        model.addAttribute("headers", headers);
+        model.addAttribute("visitorSubscribed", messagesService.isSubscribed(visitor.getUid(), msg.getMid()));
+        model.addAttribute("visitorInBL",  userService.isInBL(msg.getUser().getUid(), visitor.getUid()));
+        model.addAttribute("recomm", messagesService.getMessageRecommendations(msg.getMid()));
+        List<Integer> blUIDs = new ArrayList<>();
+        for (Message reply : replies) {
+            if (reply.getUser().getUid() != msg.getUser().getUid()
+                    && !blUIDs.contains(reply.getUser().getUid())) {
+                blUIDs.add(reply.getUser().getUid());
+            }
+            reply.VisitorCanComment = !visitor.isAnonymous();
+            if (!visitor.isAnonymous()) {
+                boolean isMsgAuthor = visitor.getUid() == msg.getUser().getUid();
+                boolean isReplyAuthor = visitor.getUid() == reply.getUser().getUid();
+                reply.VisitorCanComment = isMsgAuthor || (!msg.ReadOnly
+                        && msg.VisitorCanComment && (isReplyAuthor || !userService.isInBLAny(visitor.getUid(), reply.getUser().getUid())));
+            }
+        }
+        model.addAttribute("replies", replies);
+        model.addAttribute("showAdv", visitor.isAnonymous());
+        UriComponents builder = ServletUriComponentsBuilder.fromCurrentRequestUri().build();
+        String queryString = builder.getQuery();
+        String requestURI = builder.toUri().getPath();
+        if (sape.isPresent() && visitor.isAnonymous() && queryString == null) {
+            String links = sape.get().getPageLinks(requestURI, sapeCookie).render();
+            model.addAttribute("links", links);
+        }
+        return "views/thread";
+    }
+
+    // when message id is not fit to int
+    @ExceptionHandler(NumberFormatException.class)
+    public ResponseEntity<String> notFoundAction() {
+        return new ResponseEntity<>(HttpStatus.NOT_FOUND);
+    }
+}
diff --git a/src/main/java/com/juick/server/www/controllers/NewMessage.java b/src/main/java/com/juick/server/www/controllers/NewMessage.java
new file mode 100644
index 00000000..6b5938a5
--- /dev/null
+++ b/src/main/java/com/juick/server/www/controllers/NewMessage.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2008-2017, 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.server.www.controllers;
+
+import com.juick.server.util.UserUtils;
+import com.juick.service.TagService;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.commons.text.StringEscapeUtils;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.ModelMap;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+
+import javax.inject.Inject;
+import java.util.stream.Collectors;
+
+/**
+ * @author Ugnich Anton
+ */
+@Controller
+public class NewMessage {
+
+    @Inject
+    private TagService tagService;
+    @GetMapping("/post")
+    protected String postAction(@RequestParam(required = false) String body, ModelMap model) {
+        com.juick.User visitor = UserUtils.getCurrentUser();
+        model.addAttribute("title", "Написать");
+        model.addAttribute("headers", "");
+        model.addAttribute("visitor", visitor);
+        if (body == null) {
+            body = StringUtils.EMPTY;
+        } else {
+            if (body.length() > 4096) {
+                body = body.substring(0, 4096);
+            }
+            body = StringEscapeUtils.escapeHtml4(body);
+        }
+        model.addAttribute("body", body);
+        model.addAttribute("visitor", visitor);
+        model.addAttribute("tags", tagService.getUserTagStats(visitor.getUid()).stream()
+                .sorted((e1, e2) -> Integer.compare(e2.getUsageCount(), e1.getUsageCount())).map(t -> t.getTag().getName()).collect(Collectors.toList()));
+        return "views/post";
+    }
+}
diff --git a/src/main/java/com/juick/server/www/controllers/Settings.java b/src/main/java/com/juick/server/www/controllers/Settings.java
new file mode 100644
index 00000000..cc8f43eb
--- /dev/null
+++ b/src/main/java/com/juick/server/www/controllers/Settings.java
@@ -0,0 +1,278 @@
+/*
+ * Copyright (C) 2008-2017, 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.server.www.controllers;
+
+import com.juick.User;
+import com.juick.model.NotifyOpts;
+import com.juick.model.UserInfo;
+import com.juick.server.util.HttpBadRequestException;
+import com.juick.server.util.HttpUtils;
+import com.juick.server.util.UserUtils;
+import com.juick.service.*;
+import org.apache.commons.lang3.RandomStringUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.ModelMap;
+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.multipart.MultipartFile;
+
+import javax.inject.Inject;
+import javax.mail.Message;
+import javax.mail.MessagingException;
+import javax.mail.Session;
+import javax.mail.Transport;
+import javax.mail.internet.InternetAddress;
+import javax.mail.internet.MimeMessage;
+import javax.servlet.http.Cookie;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.IntStream;
+
+/**
+ *
+ * @author Ugnich Anton
+ */
+@Controller
+public class Settings {
+    private static final Logger logger = LoggerFactory.getLogger(Settings.class);
+
+    @Value("${img_path:#{systemEnvironment['TEMP'] ?: '/tmp'}}")
+    private String imgDir;
+    @Value("${upload_tmp_dir:#{systemEnvironment['TEMP'] ?: '/tmp'}}")
+    private String tmpDir;
+    @Inject
+    private TagService tagService;
+    @Inject
+    private UserService userService;
+    @Inject
+    private CrosspostService crosspostService;
+    @Inject
+    private SubscriptionService subscriptionService;
+    @Inject
+    private EmailService emailService;
+    @Inject
+    private TelegramService telegramService;
+    @Inject
+    private ImagesService imagesService;
+
+    @GetMapping("/settings")
+    protected String doGet(HttpServletRequest request, HttpServletResponse response, ModelMap model) throws IOException {
+        com.juick.User visitor = UserUtils.getCurrentUser();
+        if (visitor.isAnonymous()) {
+            response.sendRedirect("/login");
+        }
+        List<String> pages = Arrays.asList("main", "password", "about", "auth-email", "privacy");
+        String page = request.getParameter("page");
+        if (StringUtils.isEmpty(page) || !pages.contains(page)) {
+            page = "main";
+        }
+
+        model.addAttribute("title", "Настройки");
+        model.addAttribute("visitor", visitor);
+        model.addAttribute("tags", tagService.getPopularTags());
+        model.addAttribute("auths", userService.getAuthCodes(visitor));
+        model.addAttribute("email_active", emailService.getNotificationsEmail(visitor.getUid()));
+        model.addAttribute("ehash", userService.getEmailHash(visitor));
+        model.addAttribute("emails", userService.getEmails(visitor));
+        model.addAttribute("jids", userService.getAllJIDs(visitor));
+        List<String> hours = IntStream.rangeClosed(0, 23).boxed()
+                .map(i -> StringUtils.leftPad(String.format("%d", i), 2, "0")).collect(Collectors.toList());
+        model.addAttribute("hours", hours);
+        model.addAttribute("fbstatus", crosspostService.getFbCrossPostStatus(visitor.getUid()));
+        model.addAttribute("twitter_name", crosspostService.getTwitterName(visitor.getUid()));
+        model.addAttribute("telegram_name", crosspostService.getTelegramName(visitor.getUid()));
+        model.addAttribute("notify_options", subscriptionService.getNotifyOptions(visitor));
+        model.addAttribute("userinfo", userService.getUserInfo(visitor));
+        if (page.equals("auth-email")) {
+            if (emailService.verifyAddressByCode(visitor.getUid(), request.getParameter("code"))) {
+                ;
+                model.addAttribute("result", "OK!");
+            } else {
+                model.addAttribute("result", "Sorry, code unknown.");
+            }
+        }
+        return String.format("views/settings_%s", page);
+    }
+
+    @PostMapping("/settings")
+    protected String doPost(HttpServletRequest request, HttpServletResponse response,
+                            @RequestParam(required = false) MultipartFile avatar,
+                            ModelMap model)
+            throws IOException {
+        com.juick.User visitor = UserUtils.getCurrentUser();
+        if (visitor.isAnonymous()) {
+            throw new HttpBadRequestException();
+        }
+        List<String> pages = Arrays.asList("main", "password", "about", "email", "email-add", "email-del",
+                "email-subscr", "auth-email", "privacy", "jid-del", "twitter-del", "telegram-del", "facebook-disable",
+                "facebook-enable", "vk-del");
+        String page = request.getParameter("page");
+        if (StringUtils.isEmpty(page) || !pages.contains(page)) {
+            throw new HttpBadRequestException();
+        }
+        String result = StringUtils.EMPTY;
+        switch (page) {
+            case "password":
+                if (userService.updatePassword(visitor, request.getParameter("password"))) {
+                    result = "<p>Password has been changed.</p>";
+                    String hash = userService.getHashByUID(visitor.getUid());
+                    Cookie c = new Cookie("hash", hash);
+                    c.setMaxAge(365 * 24 * 60 * 60);
+                    response.addCookie(c);
+                }
+                break;
+            case "main":
+                NotifyOpts opts = new NotifyOpts();
+                opts.setRepliesEnabled(StringUtils.isNotEmpty(request.getParameter("jnotify")));
+                opts.setSubscriptionsEnabled(StringUtils.isNotEmpty(request.getParameter("subscr_notify")));
+                opts.setRecommendationsEnabled(StringUtils.isNotEmpty(request.getParameter("recomm")));
+                if (subscriptionService.setNotifyOptions(visitor, opts)) {
+                    result = "<p>Notification options has been updated</p>";
+                }
+                break;
+            case "about":
+                UserInfo info = new UserInfo();
+                info.setFullName(request.getParameter("fullname"));
+                info.setCountry(request.getParameter("country"));
+                info.setUrl(request.getParameter("url"));
+                info.setDescription(request.getParameter("descr"));
+                String avatarTmpPath = HttpUtils.receiveMultiPartFile(avatar, tmpDir).getHost();
+                if (StringUtils.isNotEmpty(avatarTmpPath)) {
+                    imagesService.saveAvatar(avatarTmpPath, visitor.getUid());
+                }
+                if (userService.updateUserInfo(visitor, info)) {
+                    result = String.format("<p>Your info is updated.</p><p><a href='/%s/'>Back to blog</a>.</p>", visitor.getName());
+                }
+                break;
+            case "jid-del":
+                // FIXME: stop using ugnich-csv in parameters
+                String[] params = request.getParameter("delete").split(";", 2);
+                boolean res = false;
+                if (params[0].equals("xmpp")) {
+                    res = userService.deleteJID(visitor.getUid(), params[1]);
+                } else if (params[0].equals("xmpp-unauth")) {
+                    res = userService.unauthJID(visitor.getUid(), params[1]);
+                }
+                if (res) {
+                    result = "<p>Deleted. <a href=\"/settings\">Back</a>.</p>";
+                } else {
+                    result = "<p>Error</p>";
+                }
+                break;
+            case "email-add":
+                if (!emailService.verifyAddressByCode(visitor.getUid(), request.getParameter("account"))) {
+                    String authCode = RandomStringUtils.randomAlphanumeric(8).toUpperCase();
+                    if (emailService.addVerificationCode(visitor.getUid(), request.getParameter("account"), authCode)) {
+                        Session session = Session.getDefaultInstance(System.getProperties());
+                        try {
+                            MimeMessage message = new MimeMessage(session);
+                            message.setFrom(new InternetAddress("noreply@mail.juick.com"));
+                            message.addRecipient(Message.RecipientType.TO, new InternetAddress(request.getParameter("account")));
+                            message.setSubject("Juick authorization link");
+                            message.setText(String.format("Follow link to attach this email to Juick account:\n" +
+                                    "http://juick.com/settings?page=auth-email&code=%s\n\n" +
+                                    "If you don't know, what this mean - just ignore this mail.\n", authCode));
+                            Transport.send(message);
+                            result = "<p>Authorization link has been sent to your email. Follow it to proceed.</p>" +
+                                    "<p><a href=\"/settings\">Back</a></p>";
+
+                        } catch (MessagingException ex) {
+                            logger.error("mail exception", ex);
+                            throw new HttpBadRequestException();
+                        }
+                    }
+                }
+                break;
+            case "email-del":
+                if (emailService.deleteEmail(visitor.getUid(), request.getParameter("account"))) {
+                    result = "<p>Deleted. <a href=\"/settings\">Back</a>.</p>";
+                } else {
+                    result = "<p>An error occured while deleting.</p>";
+                }
+                break;
+            case "email-subscr":
+                if (emailService.setNotificationsEmail(visitor.getUid(), request.getParameter("account"))) {
+                    result = String.format("<p>Saved! Will send notifications to <strong>%s</strong>." +
+                            "</p><p><a href=\"/settings\">Back</a></p>", request.getParameter("account"));
+                } else {
+                    result = "<p>Disabled.</p><p><a href=\"/settings\">Back</a></p>";
+                }
+                break;
+            case "twitter-del":
+                crosspostService.deleteTwitterToken(visitor.getUid());
+                for (Cookie cookie : request.getCookies()) {
+                    if (cookie.getName().equals("request_token")) {
+                        cookie.setMaxAge(0);
+                        response.addCookie(cookie);
+                    }
+                    if (cookie.getName().equals("request_token_secret")) {
+                        cookie.setMaxAge(0);
+                        response.addCookie(cookie);
+                    }
+                }
+                result = "<p><a href=\"/settings\">Back</a></p>";
+                break;
+            case "telegram-del":
+                telegramService.deleteTelegramUser(visitor.getUid());
+                result = "<p><a href=\"/settings\">Back</a></p>";
+                break;
+            case "facebook-disable":
+                crosspostService.disableFBCrosspost(visitor.getUid());
+                result = "<p><a href=\"/settings\">Back</a></p>";
+                break;
+            case "facebook-enable":
+                crosspostService.enableFBCrosspost(visitor.getUid());
+                result = "<p><a href=\"/settings\">Back</a></p>";
+                break;
+            case "vk-del":
+                crosspostService.deleteVKUser(visitor.getUid());
+                result = "<p><a href=\"/settings\">Back</a></p>";
+                break;
+            default:
+                throw new HttpBadRequestException();
+        }
+
+        model.addAttribute("title", "Настройки");
+        model.addAttribute("visitor", visitor);
+        model.addAttribute("result", result);
+        return "views/settings_result";
+    }
+    @PostMapping("/settings/unsubscribe")
+    public String unsubscribeOneClick(@RequestParam(name = "List-Unsubscribe") String unsubscribe,
+                                      ModelMap model) {
+        User user = UserUtils.getCurrentUser();
+        if (!user.isAnonymous()) {
+            if (unsubscribe.equals("One-Click")) {
+                emailService.setNotificationsEmail(user.getUid(), StringUtils.EMPTY);
+                model.addAttribute("title", "Настройки");
+                model.addAttribute("visitor", user);
+                model.addAttribute("result", "Unsubscribed");
+                return "views/settings_result";
+            }
+        }
+        throw new HttpBadRequestException();
+    }
+}
diff --git a/src/main/java/com/juick/server/www/controllers/SignUp.java b/src/main/java/com/juick/server/www/controllers/SignUp.java
new file mode 100644
index 00000000..6a4fe063
--- /dev/null
+++ b/src/main/java/com/juick/server/www/controllers/SignUp.java
@@ -0,0 +1,172 @@
+/*
+ * Copyright (C) 2008-2017, 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.server.www.controllers;
+
+import com.juick.server.util.HttpBadRequestException;
+import com.juick.server.util.HttpForbiddenException;
+import com.juick.server.util.UserUtils;
+import com.juick.service.CrosspostService;
+import com.juick.service.EmailService;
+import com.juick.service.MessengerService;
+import com.juick.service.UserService;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.ModelMap;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+
+import javax.inject.Inject;
+import javax.servlet.http.Cookie;
+import javax.servlet.http.HttpServletResponse;
+
+/**
+ *
+ * @author Ugnich Anton
+ */
+@Controller
+public class SignUp {
+
+    @Inject
+    private UserService userService;
+    @Inject
+    private CrosspostService crosspostService;
+    @Inject
+    private MessengerService messengerService;
+    @Inject
+    private EmailService emailService;
+
+
+    @GetMapping("/signup")
+    protected String doGet(@RequestParam String type, @RequestParam String hash, ModelMap model) {
+        com.juick.User visitor = UserUtils.getCurrentUser();
+
+        if (hash.length() > 36 || !type.matches("^[a-zA-Z0-9\\-]+$")
+                || !hash.matches("^[a-zA-Z0-9\\-]+$")) {
+            throw new HttpBadRequestException();
+        }
+
+        String account = null;
+        switch (type) {
+            case "fb":
+                account = crosspostService.getFacebookNameByHash(hash);
+                break;
+            case "vk":
+                account = crosspostService.getVKNameByHash(hash);
+                break;
+            case "xmpp":
+                account = crosspostService.getJIDByHash(hash);
+                break;
+            case "durov":
+                account = crosspostService.getTelegramNameByHash(hash);
+                break;
+            case "messenger":
+                account = messengerService.getDisplayName(hash);
+                break;
+            case "email":
+                account = emailService.getEmailByAuthCode(hash);
+        }
+        if (account == null) {
+            throw new HttpBadRequestException();
+        }
+
+        model.addAttribute("title", "Новый пользователь");
+        model.addAttribute("visitor", visitor);
+        model.addAttribute("account", account);
+        model.addAttribute("type", type);
+        model.addAttribute("hash", hash);
+        return "views/signup";
+    }
+
+    @PostMapping("/signup")
+    protected String doPost(
+            HttpServletResponse response,
+            @RequestParam String type,
+            @RequestParam String hash,
+            @RequestParam String action,
+            @RequestParam(required = false) String username,
+            @RequestParam(required = false) String password) {
+        com.juick.User visitor = UserUtils.getCurrentUser();
+        int uid = 0;
+
+        if (hash.length() > 36 || !type.matches("^[a-zA-Z0-9\\-]+$") || !hash.matches("^[a-zA-Z0-9\\-]+$")) {
+            throw new HttpBadRequestException();
+        }
+
+        if (action.charAt(0) == 'l') {
+
+            if (visitor.isAnonymous()) {
+                if (username.length() > 32) {
+                    throw new HttpBadRequestException();
+                }
+                uid = userService.checkPassword(username, password);
+            } else {
+                uid = visitor.getUid();
+            }
+
+            if (uid <= 0) {
+                throw new HttpForbiddenException();
+            }
+
+            if (!(type.charAt(0) == 'f' && crosspostService.setFacebookUser(hash, uid))
+                    && !(type.charAt(0) == 'v' && crosspostService.setVKUser(hash, uid))
+                    && !(type.charAt(0) == 'd' && crosspostService.setTelegramUser(hash, uid))
+                    && !(type.charAt(0) == 'x' && userService.getAllJIDs(visitor).size() > 0 && crosspostService.setJIDUser(hash, uid))
+                    && !(type.charAt(0) == 'm' && messengerService.linkMessengerUser(hash, uid))) {
+                if (type.equals("email")) {
+                    String email = emailService.getEmailByAuthCode(hash);
+                    emailService.addEmail(uid, email);
+                    emailService.deleteAuthCode(hash);
+                } else {
+                    throw new HttpBadRequestException();
+                }
+            }
+
+        } else { // Create new account
+            if (username.length() < 2 || username.length() > 16 || !username.matches("^[a-zA-Z0-9\\-]+$") || password.length() < 6 || password.length() > 32) {
+                throw new HttpBadRequestException();
+            }
+
+            // CHECK USERNAME
+
+            uid = userService.createUser(username, password);
+            if (uid <= 0) {
+                throw new HttpBadRequestException();
+            }
+
+            if (!(type.charAt(0) == 'f' && crosspostService.setFacebookUser(hash, uid))
+                    && !(type.charAt(0) == 'v' && crosspostService.setVKUser(hash, uid))
+                    && !(type.charAt(0) == 'd' && crosspostService.setTelegramUser(hash, uid))
+                    && !(type.charAt(0) == 'm' && messengerService.linkMessengerUser(hash, uid))) {
+                if (type.equals("email")) {
+                    String email = emailService.getEmailByAuthCode(hash);
+                    emailService.addEmail(uid, email);
+                    emailService.deleteAuthCode(hash);
+                } else {
+                    throw new HttpBadRequestException();
+                }
+            }
+        }
+
+        if (visitor.isAnonymous()) {
+            hash = userService.getHashByUID(uid);
+            Cookie c = new Cookie("hash", hash);
+            c.setMaxAge(365 * 24 * 60 * 60);
+            response.addCookie(c);
+        }
+        return "redirect:/";
+    }
+}
diff --git a/src/main/java/com/juick/server/www/controllers/SocialLogin.java b/src/main/java/com/juick/server/www/controllers/SocialLogin.java
new file mode 100644
index 00000000..bc631a1a
--- /dev/null
+++ b/src/main/java/com/juick/server/www/controllers/SocialLogin.java
@@ -0,0 +1,329 @@
+/*
+ * Copyright (C) 2008-2017, 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.server.www.controllers;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.github.scribejava.apis.FacebookApi;
+import com.github.scribejava.apis.TwitterApi;
+import com.github.scribejava.apis.VkontakteApi;
+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.facebook.User;
+import com.juick.server.Utils;
+import com.juick.server.util.HttpBadRequestException;
+import com.juick.server.util.UserUtils;
+import com.juick.service.CrosspostService;
+import com.juick.service.EmailService;
+import com.juick.service.TelegramService;
+import com.juick.service.UserService;
+import com.juick.model.vk.UsersResponse;
+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.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.CookieValue;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.util.UriComponentsBuilder;
+
+import javax.annotation.PostConstruct;
+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.Map;
+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);
+
+    @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 String facebookRedirectUri;
+    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 facebookBuilder, twitterBuilder, vkBuilder;
+
+    @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;
+
+    @Inject
+    private CrosspostService crosspostService;
+    @Inject
+    private UserService userService;
+    @Inject
+    private EmailService emailService;
+    @Inject
+    private TelegramService telegramService;
+
+    @PostConstruct
+    public void init() {
+        facebookBuilder = new ServiceBuilder(FACEBOOK_APPID);
+        twitterBuilder = new ServiceBuilder(twitterConsumerKey);
+        vkBuilder = new ServiceBuilder(VK_APPID);
+        UriComponentsBuilder facebookRedirectBuilder = UriComponentsBuilder.fromUriString(baseUri);
+        facebookRedirectUri = facebookRedirectBuilder.replacePath("/_fblogin").build().toUriString();
+    }
+
+    @GetMapping("/_fblogin")
+    protected String doFacebookLogin(HttpServletRequest request,
+                         @RequestParam(required = false) String code,
+                         @RequestParam(required = false) String state,
+                         HttpServletResponse response) throws IOException, ExecutionException, InterruptedException {
+        if (StringUtils.isBlank(code)) {
+            String fbstate = UUID.randomUUID().toString();
+            if (StringUtils.isBlank(state)) {
+                state = Utils.getPreviousPageByRequest(request).orElse("https://juick.com/");
+            }
+            crosspostService.addFacebookState(fbstate, state);
+            OAuth20Service facebookAuthService = facebookBuilder
+                    .apiSecret(FACEBOOK_SECRET)
+                    .callback(facebookRedirectUri)
+                    .scope("email")
+                    .state(fbstate)
+                    .build(FacebookApi.instance());
+            return "redirect:" + facebookAuthService.getAuthorizationUrl();
+        }
+
+        String redirectUrl = crosspostService.verifyFacebookState(state);
+        if (StringUtils.isEmpty(redirectUrl)) {
+            logger.error("state is missing");
+            throw new HttpBadRequestException();
+        }
+        OAuth20Service facebookService = facebookBuilder
+                .apiKey(FACEBOOK_APPID)
+                .apiSecret(FACEBOOK_SECRET)
+                .callback(facebookRedirectUri)
+                .scope("email")
+                .state(state)
+                .build(FacebookApi.instance());
+        OAuth2AccessToken token = facebookService.getAccessToken(code);
+        final OAuthRequest meRequest = new OAuthRequest(Verb.GET, "https://graph.facebook.com/v2.10/me?fields=id,name,link,verified,email");
+        facebookService.signRequest(token, meRequest);
+        String graph = facebookService.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()) || StringUtils.isBlank(fb.getLink())) {
+            logger.error("Missing required fields, id: {}, name: {}, link: {}", fbID, fb.getName(), fb.getLink());
+            throw new HttpBadRequestException();
+        }
+
+        int uid = crosspostService.getUIDbyFBID(fbID);
+        if (uid > 0) {
+            if (!crosspostService.updateFacebookUser(fbID, token.getAccessToken(), fb.getName(), fb.getLink())) {
+                logger.error("error updating facebook user, id: {}, token: {}", fbID, token.getAccessToken());
+                throw new HttpBadRequestException();
+            }
+            Cookie c = new Cookie("hash", userService.getHashByUID(uid));
+            c.setMaxAge(50 * 24 * 60 * 60);
+            response.addCookie(c);
+            return "redirect:" + redirectUrl;
+        } else if (fb.getVerified()) {
+            if (!crosspostService.createFacebookUser(fbID, state, token.getAccessToken(), fb.getName(), fb.getLink())) {
+                if (StringUtils.isNotEmpty(fb.getEmail())) {
+                    logger.info("found {} for facebook user {}", fb.getEmail(), fb.getLink());
+                    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.getLink());
+                throw new HttpBadRequestException();
+            }
+            return "redirect:/signup?type=fb&hash=" + state;
+        } else {
+            logger.error("Facebook account is not verified, id: {}", fbID);
+            throw new HttpBadRequestException();
+        }
+    }
+    @GetMapping("/_twitter")
+    protected void doTwitterLogin(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 = UserUtils.getCurrentUser();
+        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.twitter.User twitterUser = jsonMapper.readValue(oAuthService.execute(oAuthRequest).getBody(),
+                        com.juick.model.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);
+                }
+            }
+        }
+    }
+    @GetMapping("/_vklogin")
+    protected String doVKLogin(HttpServletRequest request,
+                           @RequestParam(required = false) String code,
+                           @RequestParam(required = false) String state,
+                           @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);
+            OAuth20Service vkAuthService = vkBuilder
+                    .apiSecret(VK_SECRET)
+                    .scope("friends,wall,offline")
+                    .state(vkstate)
+                    .callback(VK_REDIRECT)
+                    .build(VkontakteApi.instance());
+            return "redirect:" + vkAuthService.getAuthorizationUrl();
+        }
+
+        if (StringUtils.isBlank(vkstate) || !vkstate.equals(state)) {
+            throw new HttpBadRequestException();
+        } else {
+            Cookie c = new Cookie("vkstate", "-");
+            c.setMaxAge(0);
+            response.addCookie(c);
+        }
+
+        OAuth20Service vkService = vkBuilder
+                .apiKey(VK_APPID)
+                .apiSecret(VK_SECRET)
+                .build(VkontakteApi.instance());
+        OAuth2AccessToken token = vkService.getAccessToken(code);
+
+        OAuthRequest meRequest = new OAuthRequest(Verb.GET, "https://api.vk.com/method/users.get?fields=screen_name&v=5.73");
+        vkService.signRequest(token, meRequest);
+        String graph = vkService.execute(meRequest).getBody();
+
+        com.juick.model.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) {
+            Cookie c = new Cookie("hash", userService.getHashByUID(uid));
+            c.setMaxAge(50 * 24 * 60 * 60);
+            response.addCookie(c);
+            return "redirect:/" + Utils.getPreviousPageByRequest(request).orElse(StringUtils.EMPTY);
+        } 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;
+        }
+    }
+
+    @GetMapping("/_tglogin")
+    public String doDurovLogin(HttpServletRequest request,
+                               @RequestParam Map<String, String> params,
+                               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.valueOf(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:/" + Utils.getPreviousPageByRequest(request).orElse(StringUtils.EMPTY);
+            } else {
+                String username = StringUtils.defaultString(params.get("username"), params.get("first_name"));
+                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();
+    }
+}