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/app/audit/recorder.go

@@ -0,0 +1,81 @@
+package audit
+
+import (
+	"context"
+	"fmt"
+	"github.com/h44z/wg-portal/internal/app"
+	"github.com/h44z/wg-portal/internal/config"
+	"github.com/h44z/wg-portal/internal/domain"
+	"github.com/sirupsen/logrus"
+	evbus "github.com/vardius/message-bus"
+	"time"
+)
+
+type Recorder struct {
+	cfg *config.Config
+	bus evbus.MessageBus
+
+	db DatabaseRepo
+}
+
+func NewAuditRecorder(cfg *config.Config, bus evbus.MessageBus, db DatabaseRepo) (*Recorder, error) {
+	r := &Recorder{
+		cfg: cfg,
+		bus: bus,
+
+		db: db,
+	}
+
+	err := r.connectToMessageBus()
+	if err != nil {
+		return nil, fmt.Errorf("failed to setup message bus: %w", err)
+	}
+
+	return r, nil
+}
+
+func (r *Recorder) StartBackgroundJobs(ctx context.Context) {
+	if !r.cfg.Statistics.CollectAuditData {
+		return // noting to do
+	}
+
+	go func() {
+		running := true
+		for running {
+			select {
+			case <-ctx.Done():
+				running = false
+				continue
+			case <-time.After(1 * time.Hour):
+				// select blocks until one of the cases evaluate to true
+			}
+
+			logrus.Tracef("registered %d audit message within the last hour", 0) // TODO: implement
+		}
+	}()
+}
+
+func (r *Recorder) connectToMessageBus() error {
+	if !r.cfg.Statistics.CollectAuditData {
+		return nil // noting to do
+	}
+
+	if err := r.bus.Subscribe(app.TopicAuthLogin, r.authLoginEvent); err != nil {
+		return fmt.Errorf("failed to subscribe to %s: %w", app.TopicAuthLogin, err)
+	}
+
+	return nil
+}
+
+func (r *Recorder) authLoginEvent(userIdentifier domain.UserIdentifier) {
+	err := r.db.SaveAuditEntry(context.Background(), &domain.AuditEntry{
+		CreatedAt: time.Time{},
+		Severity:  domain.AuditSeverityLevelLow,
+		Origin:    "authLoginEvent",
+		Message:   fmt.Sprintf("user %s logged in", userIdentifier),
+	})
+	if err != nil {
+		logrus.Errorf("failed to create audit entry for handleAuthLoginEvent: %v", err)
+		return
+	}
+}

internal/app/audit/repos.go

@@ -0,0 +1,10 @@
+package audit
+
+import (
+	"context"
+	"github.com/h44z/wg-portal/internal/domain"
+)
+
+type DatabaseRepo interface {
+	SaveAuditEntry(ctx context.Context, entry *domain.AuditEntry) error
+}