A bunch of fixes

.gitignore

@@ -0,0 +1,36 @@
+# If you prefer the allow list template instead of the deny list, see community template:
+# https://github.com/github/gitignore/blob/main/community/Golang/Go.AllowList.gitignore
+#
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Code coverage profiles and other test artifacts
+*.out
+coverage.*
+!coverage.go
+*.coverprofile
+profile.cov
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+
+# Go workspace file
+go.work
+go.work.sum
+
+# env file
+.env
+
+# Editor/IDE
+# .idea/
+# .vscode/
+
+# Databases
+*.db

cmd/server/main.go

@@ -27,7 +27,6 @@ var (
 )
 
 func main() {
-	// Load .env first (lowest priority; system env wins).
 	if err := env.LoadEnvDefault(); err != nil {
 		log.Printf("Warning: no .env file found: %v", err)
 	}
@@ -53,7 +52,7 @@ func main() {
 	}
 	defer db.Close()
 
-	db.SetMaxOpenConns(1) // SQLite does not support concurrent writes
+	db.SetMaxOpenConns(1)
 
 	if _, err := db.Exec("PRAGMA foreign_keys = ON"); err != nil {
 		appLog.Error("Failed to set PRAGMA foreign_keys: %v", err)
@@ -154,7 +153,7 @@ func main() {
 
 	webSvc := web.New(userRepo, authRepo, views, db, jitsiCfg, trustedDomains, appLog)
 
-	// ── Start background session cleanup ──
+	// -- Start background session cleanup --
 	const defaultCleanupInterval = 5 * time.Minute
 	go func() {
 		cleanupInterval := defaultCleanupInterval
@@ -186,6 +185,13 @@ func main() {
 				} else if deleted > 0 {
 					appLog.Info("cleaned up %d expired sessions", deleted)
 				}
+
+				deleted, err = authRepo.DeleteExpiredInvites(ctx)
+				if err != nil {
+					appLog.Warn("invites cleanup failed: %v", err)
+				} else if deleted > 0 {
+					appLog.Info("cleaned up %d expired invites", deleted)
+				}
 			}
 		}
 	}()
@@ -199,7 +205,6 @@ func main() {
 	os.Exit(1)
 }
 
-// mustExec runs a DDL/DML statement and fatally logs on error.
 func mustExec(db *sql.DB, ddl string) {
 	if _, err := db.Exec(ddl); err != nil {
 		log.Fatalf("Migration failed: %v\nSQL: %s", err, ddl)
@@ -218,9 +223,15 @@ func seed(ctx context.Context, userRepo *user.Repository, authRepo *auth.Reposit
 		return
 	}
 
+	password, err := auth.GenerateToken(16)
+	if err != nil {
+		appLog.Error("Failed to generate admin password: %v", err)
+		os.Exit(1)
+	}
+
 	appLog.Info("Seeding: no users found, creating admin account and first invite")
 
-	hashed, err := auth.HashPassword("admin")
+	hashed, err := auth.HashPassword(password)
 	if err != nil {
 		appLog.Error("Failed to hash admin password: %v", err)
 		os.Exit(1)
@@ -232,7 +243,7 @@ func seed(ctx context.Context, userRepo *user.Repository, authRepo *auth.Reposit
 		os.Exit(1)
 	}
 
-	appLog.Info("Seeded admin user — id=%d login=admin password=admin", user.Id)
+	appLog.Info("Seeded admin user — id=%d login=admin password=%s", user.Id, password)
 
 	// userRepo.СreateUser does not set superuser, so update it directly.
 	if _, err := db.Exec("UPDATE users SET superuser = 1 WHERE id = ?", user.Id); err != nil {

docker-compose.yml

@@ -9,6 +9,8 @@ services:
       - "8080:8080"
     volumes:
       - uportal_data:/data
+    env_file:
+      - .env
     environment:
       LOG_LEVEL: info
       # Optional configuration (uncomment as needed):

go.mod

@@ -7,3 +7,5 @@ require golang.org/x/crypto v0.58.0
 require github.com/mattn/go-sqlite3 v1.14.52
 
 require github.com/golang-jwt/jwt/v5 v5.3.1
+
+require github.com/mileusna/useragent v1.3.5

go.sum

@@ -2,5 +2,7 @@ github.com/golang-jwt/jwt/v5 v5.3.1 h1:kYf81DTWFe7t+1VvL7eS+jKFVWaUnK9cB1qbwn63Y
 github.com/golang-jwt/jwt/v5 v5.3.1/go.mod h1:fxCRLWMO43lRc8nhHWY6LGqRcf+1gQWArsqaEUEa5bE=
 github.com/mattn/go-sqlite3 v1.14.52 h1:wVbm2Qnf4OXkqhBTSPuCRZDRnxfbVrrmiCEroVdog8U=
 github.com/mattn/go-sqlite3 v1.14.52/go.mod h1:6JTjA44L93a0QCyJef5YvlPoKXntQPjzWv5gtm9sB6w=
+github.com/mileusna/useragent v1.3.5 h1:SJM5NzBmh/hO+4LGeATKpaEX9+b4vcGg2qXGLiNGDws=
+github.com/mileusna/useragent v1.3.5/go.mod h1:3d8TOmwL/5I8pJjyVDteHtgDGcefrFUX4ccGOMKNYYc=
 golang.org/x/crypto v0.58.0 h1:COkYLr4k7nDI4r6QtMML2AfzeIswWHAJthLS6K/M/54=
 golang.org/x/crypto v0.58.0/go.mod h1:Xh+kl5A+M0gMiWDytH2Hhr5Z7WbNCpv/eB/EFgfSk+w=

internal/auth/model.go

@@ -22,10 +22,22 @@ func (s *Session) CreatedAtLocal() string {
 	return s.CreatedAt.Local().Format("2006-01-02 15:04")
 }
 
+func (s *Session) ExpiresAtLocal() string {
+	return s.ExpiresAt.Local().Format("2006-01-02 15:04")
+}
+
+func (i *Invite) CreatedAtLocal() string {
+	return i.CreatedAt.Local().Format("2006-01-02 15:04")
+}
+
+func (i *Invite) ExpiresAtLocal() string {
+	return i.ExpiresAt.Local().Format("2006-01-02 15:04")
+}
+
 func (s *Session) IsValid() bool {
-	return time.Now().Before(s.ExpiresAt)
+	return time.Now().UTC().Before(s.ExpiresAt)
 }
 
 func (i *Invite) IsValid() bool {
-	return time.Now().Before(i.ExpiresAt) && i.Uses > 0
+	return time.Now().UTC().Before(i.ExpiresAt) && i.Uses > 0
 }

internal/auth/repository.go

@@ -92,6 +92,16 @@ func (r *Repository) DeleteInvite(ctx context.Context, token string) error {
 	return nil
 }
 
+func (r *Repository) DeleteExpiredInvites(ctx context.Context) (int64, error) {
+	result, err := r.Db.ExecContext(ctx,
+		"DELETE FROM invites WHERE expiresat < CURRENT_TIMESTAMP",
+	)
+	if err != nil {
+		return 0, fmt.Errorf("db delete failed: %w", err)
+	}
+	return result.RowsAffected()
+}
+
 func (r *Repository) CreateSession(ctx context.Context, token string, userId int64, device, address string, expiresAt time.Time) (*Session, error) {
 	query := "INSERT INTO sessions(token, userid, device, address, expiresat) VALUES(?, ?, ?, ?, ?) RETURNING createdat"
 
@@ -178,14 +188,12 @@ func (r *Repository) DeleteSessionsByUserId(ctx context.Context, userId int64) e
 	return nil
 }
 
-// DeleteExpiredSessions deletes all sessions whose expiresat < now.
-// Returns the number of rows deleted.
 func (r *Repository) DeleteExpiredSessions(ctx context.Context) (int64, error) {
 	result, err := r.Db.ExecContext(ctx,
-		"DELETE FROM sessions WHERE expiresat < datetime('now')",
+		"DELETE FROM sessions WHERE expiresat < CURRENT_TIMESTAMP",
 	)
 	if err != nil {
-		return 0, fmt.Errorf("delete expired sessions: %w", err)
+		return 0, fmt.Errorf("db delete failed: %w", err)
 	}
 	return result.RowsAffected()
 }

internal/jitsi/jitsi.go

@@ -10,25 +10,16 @@ import (
 )
 
 type Config struct {
-	// Secret is the HMAC-SHA256 shared secret (at least 32 bytes hex-encoded).
 	Secret string
-	// AppID is the Jitsi App ID (the "iss" and "aud" claim value).
 	AppID string
-	// AppName is the friendly name shown in the Jitsi client (optional).
 	AppName string
-	// Domain is the Jitsi Meet domain (e.g. "meet.jit.si").
 	Domain string
-	// SiteDomain is the public domain of this portal (e.g. "portal.example.com").
-	// When set, avatar URLs embedded in the JWT are absolute (https://...) so
-	// Jitsi, running on another domain, can load them. When empty, relative
-	// URLs are used.
 	SiteDomain string
 }
 
 type JitsiClaims struct {
 	jwt.RegisteredClaims
 	Room      string        `json:"room,omitempty"`
-	Moderator bool          `json:"moderator"`
 	Context   *JitsiContext `json:"context,omitempty"`
 }
 
@@ -41,17 +32,15 @@ type JitsiUser struct {
 	Name      string `json:"name"`
 	Email     string `json:"email,omitempty"`
 	Avatar    string `json:"avatar,omitempty"`
+	Moderator bool   `json:"moderator"`
 }
 
-// GenerateSecret creates a new random hex-encoded 32-byte secret.
 func GenerateSecret() string {
 	b := make([]byte, 32)
 	rand.Read(b)
 	return hex.EncodeToString(b)
 }
 
-// MeetURL returns the full Jitsi Meet URL for a room with a JWT token.
-// If Domain is empty it defaults to "meet.jit.si".
 func (c *Config) MeetURL(room, jwtToken string) string {
 	domain := c.Domain
 	if domain == "" {
@@ -60,9 +49,6 @@ func (c *Config) MeetURL(room, jwtToken string) string {
 	return fmt.Sprintf("https://%s/%s?jwt=%s", domain, room, jwtToken)
 }
 
-// GenerateToken creates a JWT for the given room and user.
-// moderator grants Jitsi moderator privileges (mute, kick, etc.) and avatar
-// is the user's avatar URL (may be empty).
 func (c *Config) GenerateToken(userID, userName, room string, moderator bool, avatar string) (string, error) {
 	if c.Secret == "" {
 		return "", fmt.Errorf("jitsi secret is not configured")
@@ -83,12 +69,12 @@ func (c *Config) GenerateToken(userID, userName, room string, moderator bool, av
 			ID:        fmt.Sprintf("%s-%d", userID, now.Unix()),
 		},
 		Room:      room,
-		Moderator: moderator,
 		Context: &JitsiContext{
 			User: &JitsiUser{
 				ID:     userID,
 				Name:   userName,
 				Avatar: avatar,
+				Moderator: moderator,
 			},
 		},
 	}

internal/log/log.go

@@ -28,8 +28,6 @@ type Logger struct {
 	logger *stdlog.Logger
 }
 
-// New returns a Logger that writes to the given output. Messages below the
-// configured level are silently dropped.
 func New(level Level, output io.Writer) *Logger {
 	return &Logger{
 		level:  level,
@@ -62,8 +60,6 @@ func (l *Logger) log(level Level, format string, args ...any) {
 	l.logger.Printf("%s %s", label, msg)
 }
 
-// ParseLevel converts a string to a Level. Input is case-insensitive.
-// Valid values: "debug", "info", "warn", "error".
 func ParseLevel(s string) (Level, error) {
 	switch strings.ToLower(strings.TrimSpace(s)) {
 	case "debug":

internal/user/service.go

@@ -39,8 +39,6 @@ func VerifyImageLimit(r io.Reader) error {
 }
 
 func ExtractUploadedImageBytes(r *http.Request, formKey string) ([]byte, string, error) {
-	// Read file with a size limit to prevent abuse. We read the raw multipart
-	// bytes, verify size and image format, then return them.
 	const maxRead = MaxUploadSize + 1024 // small extra for multipart framing
 
 	file, header, err := r.FormFile(formKey)
@@ -54,7 +52,6 @@ func ExtractUploadedImageBytes(r *http.Request, formKey string) ([]byte, string,
 		return nil, "", fmt.Errorf("invalid file type: only JPG or PNG are allowed")
 	}
 
-	// Read all bytes so we can verify image dimensions from a reusable reader.
 	lr := io.LimitReader(file, maxRead)
 	fileBytes, err := io.ReadAll(lr)
 	if err != nil {

internal/web/auth.go

@@ -9,21 +9,29 @@ import (
 	"uPortal/internal/auth"
 )
 
-// HandleSignin renders the sign-in page on GET and authenticates on POST.
+// For relative paths, redirect directly; for external URLs, route
-func (s *WebService) HandleSignin(w http.ResponseWriter, r *http.Request) {
+// through the warning page unless the domain is trusted.
-	// If already authenticated, redirect
+func (s *WebService) handleRedirect(w http.ResponseWriter, r *http.Request) {
-	if _, err := s.currentUser(r); err == nil {
 	redirectTo := "/"
-		if r.URL.Query().Get("redirect") != "" {
+	if r.FormValue("redirect") != "" {
+		redirectTo = r.FormValue("redirect")
+	} else if r.URL.Query().Get("redirect") != "" {
 		redirectTo = r.URL.Query().Get("redirect")
 	}
-		// For relative paths, redirect directly; for external URLs, route
+
-		// through the warning page.
 	if strings.HasPrefix(redirectTo, "/") && !strings.Contains(redirectTo, "://") {
 		http.Redirect(w, r, redirectTo, http.StatusSeeOther)
+	} else if s.isTrustedTarget(redirectTo) {
+		http.Redirect(w, r, redirectTo, http.StatusSeeOther)
 	} else {
 		http.Redirect(w, r, "/redirect?to="+url.QueryEscape(redirectTo), http.StatusSeeOther)
 	}
+}
+
+func (s *WebService) HandleSignin(w http.ResponseWriter, r *http.Request) {
+	// If already authenticated, redirect
+	if _, err := s.currentUser(r); err == nil {
+		s.handleRedirect(w, r)
 		return
 	}
 
@@ -77,41 +85,14 @@ func (s *WebService) HandleSignin(w http.ResponseWriter, r *http.Request) {
 			MaxAge:   maxAge,
 		}
 		http.SetCookie(w, cookie)
-
+		s.handleRedirect(w, r)
-		redirectTo := "/"
-		if r.FormValue("redirect") != "" {
-			redirectTo = r.FormValue("redirect")
-		} else if r.URL.Query().Get("redirect") != "" {
-			redirectTo = r.URL.Query().Get("redirect")
-		}
-		// For relative paths, redirect directly; for external URLs, route
-		// through the warning page unless the domain is trusted.
-		if strings.HasPrefix(redirectTo, "/") && !strings.Contains(redirectTo, "://") {
-			http.Redirect(w, r, redirectTo, http.StatusSeeOther)
-		} else if s.isTrustedTarget(redirectTo) {
-			http.Redirect(w, r, redirectTo, http.StatusSeeOther)
-		} else {
-			http.Redirect(w, r, "/redirect?to="+url.QueryEscape(redirectTo), http.StatusSeeOther)
-		}
 	}
 }
 
-// HandleSignup renders the sign-up page on GET and creates an account on POST.
-// Invite codes are one-time-use unless they carry multiple uses.
 func (s *WebService) HandleSignup(w http.ResponseWriter, r *http.Request) {
 	// If already authenticated, redirect
 	if _, err := s.currentUser(r); err == nil {
-		redirectTo := "/"
+		s.handleRedirect(w, r)
-		if r.URL.Query().Get("redirect") != "" {
-			redirectTo = r.URL.Query().Get("redirect")
-		}
-		// For relative paths, redirect directly; for external URLs, route
-		// through the warning page.
-		if strings.HasPrefix(redirectTo, "/") && !strings.Contains(redirectTo, "://") {
-			http.Redirect(w, r, redirectTo, http.StatusSeeOther)
-		} else {
-			http.Redirect(w, r, "/redirect?to="+url.QueryEscape(redirectTo), http.StatusSeeOther)
-		}
 		return
 	}
 
@@ -203,27 +184,10 @@ func (s *WebService) HandleSignup(w http.ResponseWriter, r *http.Request) {
 			Secure:   CookieSecure,
 		}
 		http.SetCookie(w, cookie)
-		redirectTo := "/"
+		s.handleRedirect(w, r)
-		if r.FormValue("redirect") != "" {
-			redirectTo = r.FormValue("redirect")
-		} else if r.URL.Query().Get("redirect") != "" {
-			redirectTo = r.URL.Query().Get("redirect")
-		}
-		// For relative paths, redirect directly; for external URLs, route
-		// through the warning page unless the domain is trusted.
-		if strings.HasPrefix(redirectTo, "/") && !strings.Contains(redirectTo, "://") {
-			http.Redirect(w, r, redirectTo, http.StatusSeeOther)
-		} else if s.isTrustedTarget(redirectTo) {
-			http.Redirect(w, r, redirectTo, http.StatusSeeOther)
-		} else {
-			http.Redirect(w, r, "/redirect?to="+url.QueryEscape(redirectTo), http.StatusSeeOther)
-		}
 	}
 }
 
-// HandleSignout renders a confirmation page on GET and deletes the session on POST.
-// It is wrapped in requireAuth for the POST route; the GET route may show the page
-// even for anonymous visitors (the confirm form just redirects to /signin).
 func (s *WebService) HandleSignout(w http.ResponseWriter, r *http.Request) {
 	switch r.Method {
 	case http.MethodGet:
@@ -255,8 +219,6 @@ func (s *WebService) HandleSignout(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
-// HandleExternalRedirect shows a warning page when the user is about to
-// leave the site via an external redirect.
 func (s *WebService) HandleExternalRedirect(w http.ResponseWriter, r *http.Request) {
 	target := r.URL.Query().Get("to")
 	if target == "" {
@@ -264,7 +226,6 @@ func (s *WebService) HandleExternalRedirect(w http.ResponseWriter, r *http.Reque
 		return
 	}
 
-	// Trusted targets skip the warning and are redirected directly.
 	if s.isTrustedTarget(target) {
 		http.Redirect(w, r, target, http.StatusSeeOther)
 		return
@@ -272,7 +233,6 @@ func (s *WebService) HandleExternalRedirect(w http.ResponseWriter, r *http.Reque
 
 	data, ok := s.basicViewData(w, r, "External Redirect")
 	if !ok {
-		// Not authenticated is fine — just show the warning without nav
 		data = &ViewData{Title: "External Redirect"}
 	}
 

internal/web/invite.go

@@ -8,7 +8,6 @@ import (
 	"uPortal/internal/auth"
 )
 
-// HandleInvites lists all invite codes. Requires a super user.
 func (s *WebService) HandleInvites(w http.ResponseWriter, r *http.Request) {
 	data, ok := s.basicViewData(w, r, "Invites")
 	if !ok {
@@ -26,7 +25,6 @@ func (s *WebService) HandleInvites(w http.ResponseWriter, r *http.Request) {
 	s.render(w, r, "invite/view.html", data)
 }
 
-// HandleInviteCreate renders the creation form on GET and mints an invite on POST.
 func (s *WebService) HandleInviteCreate(w http.ResponseWriter, r *http.Request) {
 	switch r.Method {
 	case http.MethodGet:
@@ -69,7 +67,6 @@ func (s *WebService) HandleInviteCreate(w http.ResponseWriter, r *http.Request)
 	}
 }
 
-// HandleInviteDelete removes the invite identified by the form field "token".
 func (s *WebService) HandleInviteDelete(w http.ResponseWriter, r *http.Request) {
 	if err := auth.ValidateCsrf(r, CsrfCookieName, CsrfFieldName); err != nil {
 		http.Redirect(w, r, "/invites", http.StatusSeeOther)

internal/web/jitsi.go

@@ -8,7 +8,6 @@ import (
 	"uPortal/internal/auth"
 )
 
-// HandleJitsi renders the Jitsi room form on GET and redirects to Jitsi Meet on POST.
 func (s *WebService) HandleJitsi(w http.ResponseWriter, r *http.Request) {
 	data, ok := s.basicViewData(w, r, "Jitsi")
 	if !ok {
@@ -59,8 +58,6 @@ func (s *WebService) HandleJitsi(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
-// HandleJitsiGo is a GET endpoint that reads a "room" query parameter,
-// generates a JWT token, and redirects to the Jitsi Meet URL.
 func (s *WebService) HandleJitsiGo(w http.ResponseWriter, r *http.Request) {
 	if s.jitsiCfg == nil || s.jitsiCfg.Secret == "" {
 		http.Error(w, "Jitsi is not configured", http.StatusInternalServerError)
@@ -96,10 +93,6 @@ func (s *WebService) HandleJitsiGo(w http.ResponseWriter, r *http.Request) {
 	http.Redirect(w, r, s.jitsiCfg.MeetURL(room, token), http.StatusSeeOther)
 }
 
-// avatarURL returns the app's avatar URL for the given user id, or an empty
-// string if the user has no stored avatar. If the Jitsi site domain is
-// configured, an absolute https:// URL is returned so Jitsi (running on a
-// different domain) can load the avatar; otherwise a relative URL is used.
 func avatarURL(r *http.Request, s *WebService, id int64) string {
 	data, err := s.users.GetAvatar(r.Context(), id)
 	if err != nil || len(data) == 0 {

internal/web/profile.go

@@ -8,7 +8,6 @@ import (
 	"uPortal/internal/user"
 )
 
-// HandleProfile shows the current user's own profile.
 func (s *WebService) HandleProfile(w http.ResponseWriter, r *http.Request) {
 	data, ok := s.basicViewData(w, r, "Profile")
 	if !ok {
@@ -26,7 +25,6 @@ func (s *WebService) HandleProfile(w http.ResponseWriter, r *http.Request) {
 	s.render(w, r, "profile/view.html", data)
 }
 
-// HandleProfileEdit renders the edit form on GET and applies changes on POST.
 func (s *WebService) HandleProfileEdit(w http.ResponseWriter, r *http.Request) {
 	data, ok := s.basicViewData(w, r, "Edit Profile")
 	if !ok {
@@ -50,7 +48,6 @@ func (s *WebService) HandleProfileEdit(w http.ResponseWriter, r *http.Request) {
 			return
 		}
 
-		// Display name: UpdateUser writes the displayname column via the user row.
 		displayName := r.FormValue("display_name")
 		if displayName != "" {
 			data.User.DisplayName = &displayName
@@ -80,8 +77,6 @@ func (s *WebService) HandleProfileEdit(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
-// HandleProfilePassword renders the password change form on GET and
-// applies the new password on POST.
 func (s *WebService) HandleProfilePassword(w http.ResponseWriter, r *http.Request) {
 	data, ok := s.basicViewData(w, r, "Change Password")
 	if !ok {
@@ -145,7 +140,6 @@ func (s *WebService) HandleProfilePassword(w http.ResponseWriter, r *http.Reques
 	}
 }
 
-// HandleAvatar serves a stored avatar image by user id.
 func (s *WebService) HandleAvatar(w http.ResponseWriter, r *http.Request) {
 	id, err := strconv.ParseInt(r.PathValue("id"), 10, 64)
 	if err != nil {

internal/web/service.go

@@ -15,22 +15,14 @@ import (
 	"uPortal/internal/user"
 )
 
-// Cookie names and the CSRF form field name. These match the layout
-// template (templates/layouts/csrf.html) and the auth package helpers.
 const (
 	SessionCookieName = "sessiontoken"
 	CsrfCookieName    = "csrftoken"
 	CsrfFieldName     = "formtoken"
 )
 
-// CookieSecure controls the Secure attribute of the session cookie.
-// It is disabled by default so the app works over plain http://127.0.0.1
-// during development (browsers drop Secure cookies over plain http).
-// Production deployments behind HTTPS must flip this to true.
 var CookieSecure = false
 
-// ViewData is the data bag passed to every page template. It carries the
-// CSRF token, the current user, and any collections the pages display.
 type ViewData struct {
 	Title       string
 	IsSuperUser bool
@@ -53,7 +45,6 @@ type WebService struct {
 	log            *log.Logger
 }
 
-// New returns a WebService ready to be registered onto an http.ServeMux.
 func New(users *user.Repository, auths *auth.Repository, views *template.Service, db *sql.DB, jitsiCfg *jitsi.Config, trustedDomains []string, logger *log.Logger) *WebService {
 	return &WebService{
 		users:          users,
@@ -66,11 +57,7 @@ func New(users *user.Repository, auths *auth.Repository, views *template.Service
 	}
 }
 
-// isTrustedTarget reports whether target may skip the /redirect warning page.
-// Relative paths, empty hostnames and unknown hosts are never trusted;
-// localhost and 127.0.0.1 are always trusted.
 func (s *WebService) isTrustedTarget(target string) bool {
-	// Handle URLs without a scheme (e.g. "meet.jit.si/room").
 	if !strings.Contains(target, "://") {
 		target = "https://" + target
 	}
@@ -80,7 +67,6 @@ func (s *WebService) isTrustedTarget(target string) bool {
 	}
 	host := u.Hostname()
 
-	// Loopback addresses are always trusted for full URL redirects.
 	if host == "localhost" || host == "127.0.0.1" {
 		return true
 	}
@@ -95,7 +81,6 @@ func (s *WebService) isTrustedTarget(target string) bool {
 
 // Register wires every route (method + path) onto the mux.
 func (s *WebService) Register(mux *http.ServeMux) {
-	// Helper to wrap every handler with logging middleware.
 	handle := func(pattern string, handler http.HandlerFunc) {
 		mux.HandleFunc(pattern, s.loggingMiddleware(handler))
 	}
@@ -152,15 +137,12 @@ func (s *WebService) Register(mux *http.ServeMux) {
 // loggingMiddleware logs every HTTP request. Static file endpoints are skipped.
 func (s *WebService) loggingMiddleware(next http.HandlerFunc) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		// Skip logging for static files and health checks.
 		if strings.HasPrefix(r.URL.Path, "/static/") {
 			next(w, r)
 			return
 		}
 
 		start := time.Now()
-
-		// Wrap the ResponseWriter to capture the status code.
 		lrw := &loggingResponseWriter{ResponseWriter: w, statusCode: http.StatusOK}
 		next(lrw, r)
 
@@ -185,9 +167,6 @@ func (lrw *loggingResponseWriter) WriteHeader(code int) {
 	lrw.ResponseWriter.WriteHeader(code)
 }
 
-// render fills ViewData defaults and writes the response.
-// If data.FormToken is empty (e.g. for call sites that don't use
-// basicViewData), a CSRF token is minted as a fallback.
 func (s *WebService) render(w http.ResponseWriter, r *http.Request, page string, data *ViewData) {
 	if data == nil {
 		data = &ViewData{}
@@ -212,7 +191,6 @@ func (s *WebService) render(w http.ResponseWriter, r *http.Request, page string,
 	}
 }
 
-// getUserInfo reads the session cookie and looks up the associated user.
 func (s *WebService) getUserInfo(r *http.Request) (*user.User, error) {
 	cookie, err := r.Cookie(SessionCookieName)
 	if err != nil {
@@ -232,7 +210,6 @@ func (s *WebService) currentUser(r *http.Request) (*user.User, error) {
 	return s.getUserInfo(r)
 }
 
-// basicViewData builds a ViewData with the current user and CSRF token.
 func (s *WebService) basicViewData(w http.ResponseWriter, r *http.Request, title string) (*ViewData, bool) {
 	user, err := s.getUserInfo(r)
 	if err != nil {
@@ -245,8 +222,6 @@ func (s *WebService) basicViewData(w http.ResponseWriter, r *http.Request, title
 	return &ViewData{Title: title, User: user, IsSuperUser: user.SuperUser, FormToken: token}, true
 }
 
-// requireAuth redirects unauthenticated visitors to /signin with a ?redirect=
-// parameter so they return to their intended page after login.
 func (s *WebService) requireAuth(next http.HandlerFunc) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		if _, err := s.currentUser(r); err != nil {
@@ -261,7 +236,6 @@ func (s *WebService) requireAuth(next http.HandlerFunc) http.HandlerFunc {
 	}
 }
 
-// requireSuperUser wraps a handler, requiring an authenticated super user.
 func (s *WebService) requireSuperUser(next http.HandlerFunc) http.HandlerFunc {
 	return s.requireAuth(func(w http.ResponseWriter, r *http.Request) {
 		u, err := s.currentUser(r)

internal/web/session.go

@@ -1,13 +1,15 @@
 package web
 
 import (
+	"fmt"
 	"net/http"
 	"net/url"
 
 	"uPortal/internal/auth"
+
+	"github.com/mileusna/useragent"
 )
 
-// HandleSessions lists the current user's active sessions.
 func (s *WebService) HandleSessions(w http.ResponseWriter, r *http.Request) {
 	data, ok := s.basicViewData(w, r, "Sessions")
 	if !ok {
@@ -15,20 +17,41 @@ func (s *WebService) HandleSessions(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	// A generous limit; the page renders whatever comes back.
 	sessions, err := s.auths.GetSessionByUserId(r.Context(), data.User.Id, 100, 0)
 	if err != nil {
 		s.log.Error("failed to get sessions: %v", err)
 		http.Error(w, "Internal Server Error", http.StatusInternalServerError)
 		return
 	}
-	data.Sessions = sessions
+	for _, session := range sessions {
+		ua := useragent.Parse(session.Device)
+		var class string
+		if ua.Mobile {
+			class = "Mobile"
+		}
+		if ua.Tablet {
+			class = "Tablet"
+		}
+		if ua.Desktop {
+			class = "Desktop"
+		}
+		if ua.Bot {
+			class = "Bot"
+		}
 
+		newSession := auth.Session{
+			Device: fmt.Sprintf("%s, %s %s, %s %s %s", class, ua.Name, ua.Version, ua.OS, ua.OSVersion, ua.Device),
+			Address: session.Address,
+			Token: session.Token,
+			CreatedAt: session.CreatedAt,
+			ExpiresAt: session.ExpiresAt,
+			UserId: session.UserId,
+		}
+		data.Sessions = append(data.Sessions, newSession)
+	}
 	s.render(w, r, "session/view.html", data)
 }
 
-// HandleSessionEnd deletes a single session identified by the form field "token".
-// It enforces ownership: a user can only delete their own session unless they are a superuser.
 func (s *WebService) HandleSessionEnd(w http.ResponseWriter, r *http.Request) {
 	if err := auth.ValidateCsrf(r, CsrfCookieName, CsrfFieldName); err != nil {
 		http.Redirect(w, r, "/sessions", http.StatusSeeOther)
@@ -54,10 +77,8 @@ func (s *WebService) HandleSessionEnd(w http.ResponseWriter, r *http.Request) {
 	}
 
 	if session.UserId == currentUser.Id {
-		// User deleting their own session — use defense-in-depth method
 		_ = s.auths.DeleteSessionByTokenAndUserId(r.Context(), token, currentUser.Id)
 	} else if currentUser.SuperUser {
-		// Superuser overriding — can delete any session
 		_ = s.auths.DeleteSession(r.Context(), token)
 	} else {
 		http.Error(w, "Forbidden", http.StatusForbidden)
@@ -67,7 +88,6 @@ func (s *WebService) HandleSessionEnd(w http.ResponseWriter, r *http.Request) {
 	http.Redirect(w, r, "/sessions", http.StatusSeeOther)
 }
 
-// HandleSessionEndAll ends every session belonging to the current user.
 func (s *WebService) HandleSessionEndAll(w http.ResponseWriter, r *http.Request) {
 	if err := auth.ValidateCsrf(r, CsrfCookieName, CsrfFieldName); err != nil {
 		http.Redirect(w, r, "/sessions", http.StatusSeeOther)

internal/web/user.go

@@ -7,7 +7,6 @@ import (
 	"uPortal/internal/auth"
 )
 
-// HandleUsers lists every user in the system. Requires a super user.
 func (s *WebService) HandleUsers(w http.ResponseWriter, r *http.Request) {
 	data, ok := s.basicViewData(w, r, "Users")
 	if !ok {
@@ -25,7 +24,6 @@ func (s *WebService) HandleUsers(w http.ResponseWriter, r *http.Request) {
 	s.render(w, r, "user/view.html", data)
 }
 
-// HandleUserResetPassword lets a super admin reset another user's password.
 func (s *WebService) HandleUserResetPassword(w http.ResponseWriter, r *http.Request) {
 	if err := auth.ValidateCsrf(r, CsrfCookieName, CsrfFieldName); err != nil {
 		http.Redirect(w, r, "/users", http.StatusSeeOther)
@@ -69,7 +67,6 @@ func (s *WebService) HandleUserResetPassword(w http.ResponseWriter, r *http.Requ
 	http.Redirect(w, r, "/users", http.StatusSeeOther)
 }
 
-// HandleUserEndSessions ends all sessions for a given user. Requires a super user.
 func (s *WebService) HandleUserEndSessions(w http.ResponseWriter, r *http.Request) {
 	if err := auth.ValidateCsrf(r, CsrfCookieName, CsrfFieldName); err != nil {
 		http.Redirect(w, r, "/users", http.StatusSeeOther)

templates/pages/auth/signin.html

@@ -13,7 +13,7 @@
 {{template "redirect" .}}
 <div class="form-group"><label for="login_username">Username</label><input type="text" class="w-100" id="login_username" name="username"></div>
 <div class="form-group"><label for="login_password">Password</label><input type="password" class="w-100" id="login_password" name="password"></div>
-<div class="form-group"><label><input type="checkbox" id="remember" name="remember" checked> Remember me</label></div>
+<div class="form-group"><label><input type="checkbox" id="remember" name="remember"> Remember me</label></div>
 <div class="text-center"><button type="submit">Sign In</button></div>
 </form>
 {{if .Redirect}}

templates/pages/invite/view.html

@@ -19,8 +19,8 @@
 <tr>
 <td>{{.Token}}</td>
 <td>{{.Uses}}</td>
-<td>{{.ExpiresAt.Format "2006-01-02 15:04"}}</td>
+<td>{{.ExpiresAtLocal}}</td>
-<td>{{.CreatedAt.Format "2006-01-02 15:04"}}</td>
+<td>{{.CreatedAtLocal}}</td>
 <td>
 <form method="post" action="/invites/delete">
 {{template "csrf" $}}

templates/pages/session/view.html

@@ -12,12 +12,11 @@
 
 <table class="table">
 <thead>
-<tr><th>Token</th><th>Device</th><th>Address</th><th>Created At</th><th></th></tr>
+<tr><th>Device</th><th>Address</th><th>Created At</th><th></th></tr>
 </thead>
 <tbody>
 {{range .Sessions}}
 <tr>
-<td>{{printf "%.8s" .Token}}...</td>
 <td>{{.Device}}</td>
 <td>{{.Address}}</td>
 <td>{{.CreatedAtLocal}}</td>