V2 alpha - initial version (#172)

Initial alpha codebase for version 2 of WireGuard Portal.
This version is considered unstable and incomplete (for example, no public REST API)! 
Use with care!


Fixes/Implements the following issues:
 - OAuth support #154, #1 
 - New Web UI with internationalisation support #98, #107, #89, #62
 - Postgres Support #49 
 - Improved Email handling #47, #119 
 - DNS Search Domain support #46 
 - Bugfixes #94, #48 

---------

Co-authored-by: Fabian Wechselberger <wechselbergerf@hotmail.com>

internal/adapters/wireguard_integration_test.go

@@ -0,0 +1,121 @@
+//go:build integration
+
+package adapters
+
+import (
+	"context"
+	"fmt"
+	"net"
+	"os"
+	"os/exec"
+	"strconv"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/h44z/wg-portal/internal/domain"
+
+	"github.com/stretchr/testify/assert"
+)
+
+// setup WireGuard manager with no linked store
+func setup(t *testing.T) *WgRepo {
+	if getProcessOwner() != "root" {
+		t.Fatalf("this tests need to be executed as root user")
+	}
+
+	repo := NewWireGuardRepository()
+
+	return repo
+}
+
+func getProcessOwner() string {
+	stdout, err := exec.Command("ps", "-o", "user=", "-p", strconv.Itoa(os.Getpid())).Output()
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+	return strings.TrimSpace(string(stdout))
+}
+
+func Test_wgRepository_GetInterfaces(t *testing.T) {
+	mgr := setup(t)
+
+	interfaceName := domain.InterfaceIdentifier("wg_test_001")
+	defer mgr.DeleteInterface(context.Background(), interfaceName)
+	err := mgr.SaveInterface(context.Background(), interfaceName, nil)
+	require.NoError(t, err)
+
+	interfaceName2 := domain.InterfaceIdentifier("wg_test_002")
+	defer mgr.DeleteInterface(context.Background(), interfaceName2)
+	err = mgr.SaveInterface(context.Background(), interfaceName2, nil)
+	require.NoError(t, err)
+
+	interfaces, err := mgr.GetInterfaces(context.Background())
+	assert.NoError(t, err)
+	assert.Len(t, interfaces, 2)
+	for _, iface := range interfaces {
+		assert.True(t, iface.Identifier == interfaceName || iface.Identifier == interfaceName2)
+	}
+}
+
+func TestWireGuardCreateInterface(t *testing.T) {
+	mgr := setup(t)
+
+	interfaceName := domain.InterfaceIdentifier("wg_test_001")
+	ipAddress := "10.11.12.13"
+	ipV6Address := "1337:d34d:b33f::2"
+	defer mgr.DeleteInterface(context.Background(), interfaceName)
+
+	err := mgr.SaveInterface(context.Background(), interfaceName, func(pi *domain.PhysicalInterface) (*domain.PhysicalInterface, error) {
+		pi.Addresses = []domain.Cidr{
+			domain.CidrFromIpNet(net.IPNet{IP: net.ParseIP(ipAddress), Mask: net.CIDRMask(24, 32)}),
+			domain.CidrFromIpNet(net.IPNet{IP: net.ParseIP(ipV6Address), Mask: net.CIDRMask(64, 128)}),
+		}
+		return pi, nil
+	})
+	assert.NoError(t, err)
+
+	// Validate that the interface has been created
+	cmd := exec.Command("ip", "addr")
+	out, err := cmd.CombinedOutput()
+	assert.NoError(t, err)
+	assert.Contains(t, string(out), interfaceName)
+	assert.Contains(t, string(out), ipAddress)
+	assert.Contains(t, string(out), ipV6Address)
+}
+
+func TestWireGuardUpdateInterface(t *testing.T) {
+	mgr := setup(t)
+
+	interfaceName := domain.InterfaceIdentifier("wg_test_001")
+	defer mgr.DeleteInterface(context.Background(), interfaceName)
+
+	err := mgr.SaveInterface(context.Background(), interfaceName, nil)
+	require.NoError(t, err)
+
+	cmd := exec.Command("ip", "addr")
+	out, err := cmd.CombinedOutput()
+	require.NoError(t, err)
+	require.Contains(t, string(out), interfaceName)
+
+	ipAddress := "10.11.12.13"
+	ipV6Address := "1337:d34d:b33f::2"
+	err = mgr.SaveInterface(context.Background(), interfaceName, func(pi *domain.PhysicalInterface) (*domain.PhysicalInterface, error) {
+		pi.Addresses = []domain.Cidr{
+			domain.CidrFromIpNet(net.IPNet{IP: net.ParseIP(ipAddress), Mask: net.CIDRMask(24, 32)}),
+			domain.CidrFromIpNet(net.IPNet{IP: net.ParseIP(ipV6Address), Mask: net.CIDRMask(64, 128)}),
+		}
+		return pi, nil
+	})
+	assert.NoError(t, err)
+
+	// Validate that the interface has been updated
+	cmd = exec.Command("ip", "addr")
+	out, err = cmd.CombinedOutput()
+	assert.NoError(t, err)
+	assert.Contains(t, string(out), interfaceName)
+	assert.Contains(t, string(out), ipAddress)
+	assert.Contains(t, string(out), ipV6Address)
+}