diff --git a/Main/models/group.py b/Main/models/group.py
index 8d87989..e9c68db 100644
--- a/Main/models/group.py
+++ b/Main/models/group.py
@@ -13,6 +13,7 @@ class Group(models.Model):
     creator = models.ForeignKey(User, null=True, on_delete=models.SET_NULL)
     users = models.ManyToManyField(User, related_name="user_groups")
     editors = ArrayField(models.TextField(), default=list)
+    access_token = models.CharField(max_length=30, null=True)
 
     @property
     def available_sets(self):
diff --git a/Main/views/GroupView.py b/Main/views/GroupView.py
index d0e8324..854846d 100644
--- a/Main/views/GroupView.py
+++ b/Main/views/GroupView.py
@@ -1,6 +1,7 @@
 from django.contrib.auth.models import User
 
 from SprintLib.BaseView import BaseView, AccessError
+from SprintLib.utils import generate_token
 
 
 class GroupView(BaseView):
@@ -45,3 +46,16 @@ class GroupView(BaseView):
         for t in to_delete:
             self.entities.group.users.remove(t)
         return "/group?group_id=" + str(self.entities.group.id)
+
+    def link_action(self, value):
+        if not self.owner:
+            raise AccessError()
+        self.entities.group.access_token = value
+        self.entities.group.save()
+        return "/group?group_id=" + str(self.entities.group.id)
+
+    def post_open_link(self):
+        return self.link_action(generate_token())
+
+    def post_close_link(self):
+        return self.link_action(None)
diff --git a/Main/views/MainView.py b/Main/views/MainView.py
index 865fb98..8e97936 100644
--- a/Main/views/MainView.py
+++ b/Main/views/MainView.py
@@ -1,5 +1,6 @@
 from random import sample
 
+from django.core.exceptions import ObjectDoesNotExist
 from django.db.models import Count, Max, Q
 from django.utils import timezone
 
@@ -62,3 +63,12 @@ class MainView(BaseView):
             raise AccessError()
         group = Group.objects.create(name=self.request.POST['name'], creator=self.request.user)
         return '/group?group_id=' + str(group.id)
+
+    def post_token(self):
+        token = self.request.POST['token']
+        try:
+            group = Group.objects.get(access_token=token)
+            group.users.add(self.request.user)
+            return '/group?group_id=' + str(group.id)
+        except ObjectDoesNotExist:
+            return "/"
diff --git a/templates/group.html b/templates/group.html
index b59fb88..a6dbda9 100644
--- a/templates/group.html
+++ b/templates/group.html
@@ -54,7 +54,20 @@
         <img src="{{ u.userinfo.profile_pic_url }}" width="30px" height="30px" style="border-radius: 50%; margin-right: 10px;"><a href="/account?username={{ u.username }}">{{ u.username }}</a><br><br>
     {% endfor %}
     {% if group.creator == user or user.username in group.editors %}
-        <button type="button" class="btn btn-primary" style="margin-top: 20px;" data-toggle="modal" data-target="#exampleU"><i class="fa fa-pencil"></i> Редактировать</button>
+        <button type="button" class="btn btn-primary" data-toggle="modal" data-target="#exampleU"><i class="fa fa-pencil"></i> Редактировать</button>
+        {% if group.access_token %}
+            <button type="submit" form="close_link" class="btn btn-danger"><i class="fa fa-lock"></i> Закрыть доступ по токену</button><input style="width: 300px; margin-left: 10px;" value="{{ group.access_token }}">
+            <form method="POST" id="close_link">
+                {% csrf_token %}
+                <input type="hidden" name="action" value="close_link">
+            </form>
+        {% else %}
+            <button type="submit" form="open_link" class="btn btn-success"><i class="fa fa-unlock"></i> Открыть доступ по токену</button>
+            <form method="POST" id="open_link">
+                {% csrf_token %}
+                <input type="hidden" name="action" value="open_link">
+            </form>
+        {% endif %}
         <div class="modal fade" id="exampleU" tabindex="-1" role="dialog" aria-labelledby="exampleModalLongTitleU" aria-hidden="true">
         <div class="modal-dialog" role="document">
             <form method="POST">
diff --git a/templates/main.html b/templates/main.html
index 97a23f2..3da1c88 100644
--- a/templates/main.html
+++ b/templates/main.html
@@ -8,6 +8,38 @@
             <td>
                 <h2>Мои группы</h2>
             </td>
+            <td>
+                <button style="margin-left: 20px;" class="btn btn-primary" data-toggle="modal" data-target="#exampletoken"><i class="fa fa-sign-in"></i></button>
+                <div class="modal fade" id="exampletoken" tabindex="-1" role="dialog" aria-labelledby="exampleModalLongTitletoken" aria-hidden="true">
+              <div class="modal-dialog" role="document">
+              <form method="POST">
+                <div class="modal-content">
+                  <div class="modal-header">
+                    <h5 class="modal-title" id="exampleModalLongTitletoken">Войти в группу по токену</h5>
+                    <button type="button" class="close" data-dismiss="modal" aria-label="Close">
+                      <span aria-hidden="true">&times;</span>
+                    </button>
+                  </div>
+                  <div class="modal-body">
+                    <div class="container-fluid">
+                        <div class="row">
+                            <div class="col-12">
+                            {% csrf_token %}
+                            <inout type="hidden" name="action" value="token"></inout>
+                            <input type="token" name="name" placeholder="Токен">
+                            </div>
+                        </div>
+                    </div>
+                  </div>
+                  <div class="modal-footer">
+                    <button type="button" class="btn btn-danger" data-dismiss="modal"><i class="fa fa-times-circle"></i> Закрыть</button>
+                    <button type="submit" class="btn btn-success"><i class="fa fa-sign-in"></i> Войти</button>
+                  </div>
+                </div>
+              </form>
+              </div>
+            </div>
+            </td>
             {% if user.userinfo.can_create %}
                 <td>
                     <button style="margin-left: 20px;" class="btn btn-success" data-toggle="modal" data-target="#example"><i class="fa fa-plus"></i></button>