feat(admin): add security and activity management features

lib/server/admin.go

@@ -2,11 +2,14 @@ package server
 
 import (
 	"net/http"
+	"strconv"
 	"strings"
 
 	"github.com/gin-gonic/gin"
 
+	"warpbox/lib/alerts"
 	"warpbox/lib/config"
+	"warpbox/lib/security"
 )
 
 const adminSessionCookie = "warpbox_admin_session"
@@ -59,17 +62,39 @@ func (app *App) handleAdminLoginPost(ctx *gin.Context) {
 		ctx.Redirect(http.StatusSeeOther, "/")
 		return
 	}
+	ip := clientIP(ctx)
+	guard := app.securityGuard
+	if guard == nil {
+		guard = security.NewGuard()
+		app.securityGuard = guard
+	}
+	if !guard.IsAdminWhitelisted(ip) && guard.IsBanned(ip) {
+		app.logActivity("auth.admin.block", "high", "Blocked admin login from banned IP", ctx, nil)
+		ctx.HTML(http.StatusTooManyRequests, "admin/login.html", gin.H{
+			"ErrorMessage": "Too many failed attempts. Try again later.",
+		})
+		return
+	}
 
 	username := strings.TrimSpace(ctx.PostForm("username"))
 	password := ctx.PostForm("password")
 
 	if username != app.config.AdminUsername || password != app.config.AdminPassword {
+		if !guard.IsAdminWhitelisted(ip) {
+			banned, attempts := guard.RegisterFailedLogin(ip, app.config.SecurityLoginWindowSeconds, app.config.SecurityLoginMaxAttempts, app.config.SecurityBanSeconds)
+			app.logActivity("auth.admin.failed", "medium", "Failed admin login", ctx, map[string]string{"attempts": strconv.Itoa(attempts)})
+			if banned {
+				app.createAlert("Admin login brute-force blocked", "high", "security", "401", "auth.admin.bruteforce", "Too many failed admin logins triggered temporary ban.", map[string]string{"ip": ip, "attempts": strconv.Itoa(attempts)})
+				app.logActivity("security.ban", "high", "Auto-banned IP after admin login failures", ctx, map[string]string{"attempts": strconv.Itoa(attempts)})
+			}
+		}
 		ctx.HTML(http.StatusUnauthorized, "admin/login.html", gin.H{
 			"ErrorMessage": "Invalid username or password.",
 		})
 		return
 	}
 
+	app.logActivity("auth.admin.success", "low", "Admin login successful", ctx, nil)
 	secure := app.config.AdminCookieSecure
 	maxAge := int(app.config.SessionTTLSeconds)
 
@@ -108,9 +133,41 @@ func (app *App) handleAdminAlerts(ctx *gin.Context) {
 		return
 	}
 
+	alertsList := []alerts.Alert{}
+	if app.alertStore != nil {
+		var err error
+		alertsList, err = app.alertStore.List(500)
+		if err != nil {
+			ctx.String(http.StatusInternalServerError, "Could not load alerts")
+			return
+		}
+	}
+	openCount := 0
+	highCount := 0
+	ackedCount := 0
+	closedCount := 0
+	for _, alert := range alertsList {
+		switch string(alert.Status) {
+		case "open":
+			openCount++
+		case "acked":
+			ackedCount++
+		case "closed":
+			closedCount++
+		}
+		if alert.Severity == "high" && string(alert.Status) != "closed" {
+			highCount++
+		}
+	}
+
 	ctx.HTML(http.StatusOK, "admin/alerts.html", gin.H{
 		"AdminUsername": app.config.AdminUsername,
 		"AdminEmail":    app.config.AdminEmail,
 		"ActivePage":    "alerts",
+		"Alerts":        alertsList,
+		"OpenCount":     strconv.Itoa(openCount),
+		"HighCount":     strconv.Itoa(highCount),
+		"AckCount":      strconv.Itoa(ackedCount),
+		"ClosedCount":   strconv.Itoa(closedCount),
 	})
 }