Includes mmctl into the mono-repo (#23091)

* Includes mmctl into the mono-repo

* Update to use the new public module paths

* Adds docs check to the mmctl CI

* Fix public utils import path

* Tidy up modules

* Fix linter

* Update CI tasks to use the new file structure

* Update CI references

server/cmd/mmctl/commands/init_test.go

@@ -0,0 +1,195 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package commands
+
+import (
+	"crypto/x509"
+	"encoding/json"
+	"net"
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"testing"
+
+	"github.com/gorilla/mux"
+	"github.com/mattermost/mattermost-server/server/public/model"
+	"github.com/stretchr/testify/require"
+)
+
+func TestCheckVersionMatch(t *testing.T) {
+	testCases := []struct {
+		Name          string
+		Version       string
+		ServerVersion string
+		Expected      bool
+		ErrExpected   bool
+	}{
+		{
+			Name:          "Both versions are equal",
+			Version:       "1.2.3",
+			ServerVersion: "1.2.3.dev.993e5a2cb546b0116ecaae1862b6a1c6.true",
+			Expected:      true,
+		},
+		{
+			Name:          "Only patch version is different",
+			Version:       "1.2.3",
+			ServerVersion: "1.2.7.dev.993e5a2cb546b0116ecaae1862b6a1c6.false",
+			Expected:      true,
+		},
+		{
+			Name:          "Major version is greater",
+			Version:       "1.2.3",
+			ServerVersion: "7.0.0.7.0.0.8215d92df0b8458789408eb07ccfdaae.false",
+			Expected:      false,
+		},
+		{
+			Name:          "Major version is less",
+			Version:       "8.2.3",
+			ServerVersion: "7.0.0.7.0.0.8215d92df0b8458789408eb07ccfdaae.false",
+			Expected:      false,
+		},
+		{
+			Name:          "Minor version is greater",
+			Version:       "1.2.3",
+			ServerVersion: "1.3.3.1.3.3.8215d92df0b8458789408eb07ccfdaae.true",
+			Expected:      true,
+		},
+		{
+			Name:          "Minor version is less",
+			Version:       "1.2.3",
+			ServerVersion: "1.1.3.1.1.3.8215d92df0b8458789408eb07ccfdaae.false",
+			Expected:      false,
+		},
+		{
+			Name:          "Both versions are equal but one has v in front of it",
+			Version:       "v1.2.3",
+			ServerVersion: "1.2.3.dev.8215d92df0b8458789408eb07ccfdaae.false",
+			Expected:      true,
+		},
+		{
+			Name:          "unspecified version",
+			Version:       "",
+			ServerVersion: "1.2.3",
+			Expected:      false,
+			ErrExpected:   true,
+		},
+		{
+			Name:          "bad version",
+			Version:       "1.2.3",
+			ServerVersion: "1.2",
+			Expected:      false,
+			ErrExpected:   true,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.Name, func(t *testing.T) {
+			res, err := CheckVersionMatch(tc.Version, tc.ServerVersion)
+			require.True(t, (err != nil) == tc.ErrExpected)
+			require.Equal(t, tc.Expected, res)
+		})
+	}
+}
+
+func TestVerifyCertificates(t *testing.T) {
+	testCases := []struct {
+		Name          string
+		Chains        [][]*x509.Certificate
+		ExpectedError bool
+	}{
+		{
+			Name: "One chain with a root SHA1 cert",
+			Chains: [][]*x509.Certificate{
+				{
+					{SignatureAlgorithm: x509.SHA256WithRSA},
+					{SignatureAlgorithm: x509.SHA1WithRSA},
+				},
+			},
+			ExpectedError: false,
+		},
+		{
+			Name: "One chain with an intermediate SHA1 cert",
+			Chains: [][]*x509.Certificate{
+				{
+					{SignatureAlgorithm: x509.SHA256WithRSA},
+					{SignatureAlgorithm: x509.SHA1WithRSA},
+					{SignatureAlgorithm: x509.SHA1WithRSA},
+				},
+			},
+			ExpectedError: true,
+		},
+		{
+			Name: "One valid chain and other invalid",
+			Chains: [][]*x509.Certificate{
+				{
+					{SignatureAlgorithm: x509.SHA256WithRSA},
+					{SignatureAlgorithm: x509.SHA1WithRSA},
+					{SignatureAlgorithm: x509.SHA1WithRSA},
+				},
+				{
+					{SignatureAlgorithm: x509.SHA256WithRSA},
+					{SignatureAlgorithm: x509.SHA256WithRSA},
+					{SignatureAlgorithm: x509.SHA1WithRSA},
+				},
+			},
+			ExpectedError: false,
+		},
+		{
+			Name: "Two invalid chains",
+			Chains: [][]*x509.Certificate{
+				{
+					{SignatureAlgorithm: x509.SHA256WithRSA},
+					{SignatureAlgorithm: x509.SHA1WithRSA},
+					{SignatureAlgorithm: x509.SHA1WithRSA},
+				},
+				{
+					{SignatureAlgorithm: x509.SHA256WithRSA},
+					{SignatureAlgorithm: x509.DSAWithSHA1},
+					{SignatureAlgorithm: x509.DSAWithSHA1},
+				},
+			},
+			ExpectedError: true,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.Name, func(t *testing.T) {
+			err := VerifyCertificates([][]byte{}, tc.Chains)
+			if tc.ExpectedError {
+				require.Error(t, err)
+			} else {
+				require.NoError(t, err)
+			}
+		})
+	}
+}
+
+func TestNewAPIv4Client(t *testing.T) {
+	t.Run("should take http proxy into account", func(t *testing.T) {
+		router := mux.NewRouter()
+		router.Handle("/api/v4/users/me", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+			user := &model.User{
+				Id: model.NewId(),
+			}
+			err := json.NewEncoder(w).Encode(user)
+			require.NoError(t, err)
+
+			w.WriteHeader(http.StatusOK)
+		}))
+		s := httptest.NewServer(router)
+		defer s.Close()
+
+		proxyAddr := s.Listener.Addr().String()
+		_, port, err := net.SplitHostPort(proxyAddr)
+		require.NoError(t, err)
+
+		err = os.Setenv("HTTP_PROXY", proxyAddr)
+		require.NoError(t, err)
+		defer os.Unsetenv("HTTP_PROXY")
+
+		client := NewAPIv4Client("http://somethingelse:"+port, false, false)
+		_, _, err = client.GetMe("")
+		require.NoError(t, err)
+	})
+}