Guest accounts feature (#11428)

* MM-14139: Creating permissions for invite/promote/demote guests (#10778)

* MM-14139: Creating permissions for invite/promote/demote guests

* Fixing tests

* Adding invite guest api endpoint (#10792)

* Adding invite guest api endpoint

* Adding i18n

* Adding some tests

* WIP

* Migrating Token.Extra info to bigger size (2048)

* Fixing tests

* Adding client function for invite guests

* Adding send guests invites tests

* Renaming file from guest to guest_invite

* Adding Promote/Demote users from/to guest endpoints (#10791)

* Adding Promote/Demote users from/to guest endpoints

* Adding i18n translations

* Adding the client functions

* Using getQueryBuilder function

* Addressing PR review comments

* Adding default channels to users on promte from guest (#10851)

* Adding default channels to users on promte from guest

* Addressing PR review comments

* Fixing merge problems

* Sending websockets events on promote/demote (#11403)

* Sending websockets events on promote/demote

* Fixing merge problems

* Fixing govet shadowing problem

* Fixing feature branch tests

* Avoiding leaking users data through websockets for guest accounts (#11489)

* Avoiding leaking users data through websockets for guest accounts

* Adding tests and fixing code error

* Fixing i18n

* Allow to enable/disable guests and other extra config settings (#11481)

* Allow to enable/disable guests and other extra config settings

* Fixing tests and moving license and config validation to api level

* Update api4/role_test.go

Co-Authored-By: George Goldberg <george@gberg.me>

* Update api4/role_test.go

Co-Authored-By: George Goldberg <george@gberg.me>

* Fixing typo

* fixing tests

* Managing correctly the guest channel leave behavior (#11578)

* MM-15134: Removing guests from teams or system on leave channels if needed

* WIP

* No deactivating the guest user when leave the last team

* Adding a couple of tests

* Fixing shadow variables

* Fixing tests

* fixing tests

* fixing shadow variables

* Adding guest counts for channel stats (#11646)

* Adding guest counts for channel stats

* Adding tests

* Fixing tests

* Fixing guest domain restrictions (#11660)

* Adding needed migration for the database

* Fixing migration

app/team_test.go

@@ -193,6 +193,7 @@ func TestAddUserToTeamByToken(t *testing.T) {
 
 	user := model.User{Email: strings.ToLower(model.NewId()) + "success+test@example.com", Nickname: "Darth Vader", Username: "vader" + model.NewId(), Password: "passwd1", AuthService: ""}
 	ruser, _ := th.App.CreateUser(&user)
+	rguest := th.CreateGuest()
 
 	t.Run("invalid token", func(t *testing.T) {
 		if _, err := th.App.AddUserToTeamByToken(ruser.Id, "123"); err == nil {
@@ -217,7 +218,7 @@ func TestAddUserToTeamByToken(t *testing.T) {
 			TOKEN_TYPE_TEAM_INVITATION,
 			model.MapToJson(map[string]string{"teamId": th.BasicTeam.Id}),
 		)
-		token.CreateAt = model.GetMillis() - TEAM_INVITATION_EXPIRY_TIME - 1
+		token.CreateAt = model.GetMillis() - INVITATION_EXPIRY_TIME - 1
 		require.Nil(t, th.App.Srv.Store.Token().Save(token))
 		defer th.App.DeleteToken(token)
 		if _, err := th.App.AddUserToTeamByToken(ruser.Id, token.Token); err == nil {
@@ -261,6 +262,49 @@ func TestAddUserToTeamByToken(t *testing.T) {
 		}
 		_, err := th.App.Srv.Store.Token().GetByToken(token.Token)
 		require.NotNil(t, err, "The token must be deleted after be used")
+
+		members, err := th.App.GetChannelMembersForUser(th.BasicTeam.Id, ruser.Id)
+		require.Nil(t, err)
+		assert.Len(t, *members, 2)
+	})
+
+	t.Run("invalid add a guest using a regular invite", func(t *testing.T) {
+		token := model.NewToken(
+			TOKEN_TYPE_TEAM_INVITATION,
+			model.MapToJson(map[string]string{"teamId": th.BasicTeam.Id}),
+		)
+		require.Nil(t, th.App.Srv.Store.Token().Save(token))
+		_, err := th.App.AddUserToTeamByToken(rguest.Id, token.Token)
+		assert.NotNil(t, err)
+	})
+
+	t.Run("invalid add a regular user using a guest invite", func(t *testing.T) {
+		token := model.NewToken(
+			TOKEN_TYPE_GUEST_INVITATION,
+			model.MapToJson(map[string]string{"teamId": th.BasicTeam.Id, "channels": th.BasicChannel.Id}),
+		)
+		require.Nil(t, th.App.Srv.Store.Token().Save(token))
+		_, err := th.App.AddUserToTeamByToken(ruser.Id, token.Token)
+		assert.NotNil(t, err)
+	})
+
+	t.Run("valid request from guest invite", func(t *testing.T) {
+		token := model.NewToken(
+			TOKEN_TYPE_GUEST_INVITATION,
+			model.MapToJson(map[string]string{"teamId": th.BasicTeam.Id, "channels": th.BasicChannel.Id}),
+		)
+		require.Nil(t, th.App.Srv.Store.Token().Save(token))
+		if _, err := th.App.AddUserToTeamByToken(rguest.Id, token.Token); err != nil {
+			t.Log(err)
+			t.Fatal("Should add user to the team")
+		}
+		_, err := th.App.Srv.Store.Token().GetByToken(token.Token)
+		require.NotNil(t, err, "The token must be deleted after be used")
+
+		members, err := th.App.GetChannelMembersForUser(th.BasicTeam.Id, rguest.Id)
+		require.Nil(t, err)
+		require.Len(t, *members, 1)
+		assert.Equal(t, (*members)[0].ChannelId, th.BasicChannel.Id)
 	})
 
 	t.Run("group-constrained team", func(t *testing.T) {