Mono repo -> Master (#22553)

Combines the following repositories into one:

https://github.com/mattermost/mattermost-server
https://github.com/mattermost/mattermost-webapp
https://github.com/mattermost/focalboard
https://github.com/mattermost/mattermost-plugin-playbooks

server/channels/api4/saml_test.go

@@ -0,0 +1,76 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package api4
+
+import (
+	"net/http"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/mattermost/mattermost-server/v6/model"
+	"github.com/mattermost/mattermost-server/v6/server/channels/einterfaces/mocks"
+)
+
+func TestGetSamlMetadata(t *testing.T) {
+	th := Setup(t)
+	defer th.TearDown()
+	client := th.Client
+
+	_, resp, err := client.GetSamlMetadata()
+	require.Error(t, err)
+	CheckNotImplementedStatus(t, resp)
+
+	// Rest is tested by enterprise tests
+}
+
+func TestSamlCompleteCSRFPass(t *testing.T) {
+	th := Setup(t).InitBasic()
+	defer th.TearDown()
+
+	url := th.Client.URL + "/login/sso/saml"
+	req, err := http.NewRequest("POST", url, nil)
+	if err != nil {
+		return
+	}
+
+	cookie1 := &http.Cookie{
+		Name:  model.SessionCookieUser,
+		Value: th.BasicUser.Username,
+	}
+	cookie2 := &http.Cookie{
+		Name:  model.SessionCookieToken,
+		Value: th.Client.AuthToken,
+	}
+	req.AddCookie(cookie1)
+	req.AddCookie(cookie2)
+
+	client := &http.Client{}
+	resp, err := client.Do(req)
+	require.NoError(t, err)
+	require.NotEqual(t, http.StatusUnauthorized, resp.StatusCode)
+	defer resp.Body.Close()
+}
+
+func TestSamlResetId(t *testing.T) {
+	th := SetupEnterprise(t).InitBasic()
+	defer th.TearDown()
+	th.App.Channels().Saml = &mocks.SamlInterface{}
+
+	user := th.BasicUser
+	_, appErr := th.App.UpdateUserAuth(user.Id, &model.UserAuth{
+		AuthData:    model.NewString(model.NewId()),
+		AuthService: model.UserAuthServiceSaml,
+	})
+	require.Nil(t, appErr)
+
+	_, resp, err := th.Client.ResetSamlAuthDataToEmail(false, false, nil)
+	require.Error(t, err)
+	CheckForbiddenStatus(t, resp)
+
+	numAffected, resp, err := th.SystemAdminClient.ResetSamlAuthDataToEmail(false, false, nil)
+	require.NoError(t, err)
+	CheckOKStatus(t, resp)
+	require.Equal(t, int64(1), numAffected)
+}