first commit

2025-09-28 06:48:03 +01:00
commit 9af0328875
12 changed files with 2139 additions and 0 deletions
@@ -0,0 +1,101 @@
+package app
+
+import (
+	"encoding/json"
+	"fmt"
+	"html/template"
+	"log"
+	"net/http"
+	"os"
+	"strings"
+	"time"
+)
+
+var tpl = template.Must(template.New("base").Parse(`
+<!doctype html>
+<html>
+<head><meta charset="utf-8"><title>Honeypot Dashboard</title></head>
+<body>
+<h1>Honeypot Dashboard</h1>
+<p><a href="/logs">Logs</a></p>
+{{ .Body }}
+</body>
+</html>
+`))
+
+func (a *App) startWeb() {
+	bind := a.cfg.Web.Bind
+	port := a.cfg.Web.Port
+	addr := fmt.Sprintf("%s:%d", bind, port)
+	mux := http.NewServeMux()
+	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		tpl.Execute(w, map[string]interface{}{"Body": template.HTML("<p><a href=\"/logs\">View logs</a></p>")})
+	})
+	mux.HandleFunc("/logs", func(w http.ResponseWriter, r *http.Request) {
+		// display last 200 logs
+		var rows []Record
+		if a.logger != nil && a.logger.mode == "sqlite" && a.logger.db != nil {
+			// query sqlite
+			q := `SELECT timestamp, remote_addr, remote_port, service, details, raw_payload FROM logs ORDER BY id DESC LIMIT 200`
+			rs, err := a.logger.db.Query(q)
+			if err != nil {
+				http.Error(w, "db query failed", 500)
+				return
+			}
+			defer rs.Close()
+			for rs.Next() {
+				var ts, ra, rp, svc, detailsS, raw string
+				if err := rs.Scan(&ts, &ra, &rp, &svc, &detailsS, &raw); err != nil {
+					continue
+				}
+				var det map[string]string
+				_ = json.Unmarshal([]byte(detailsS), &det)
+				rows = append(rows, Record{Timestamp: parseTime(ts), RemoteAddr: ra, RemotePort: rp, Service: svc, Details: det, RawPayload: raw})
+			}
+		} else {
+			// try to read file based JSON-lines
+			path := a.cfg.LogPath
+			b, err := os.ReadFile(path)
+			if err == nil {
+				lines := strings.Split(string(b), "\n")
+				for i := len(lines) - 1; i >= 0 && len(rows) < 200; i-- {
+					line := strings.TrimSpace(lines[i])
+					if line == "" {
+						continue
+					}
+					var rec Record
+					if err := json.Unmarshal([]byte(line), &rec); err != nil {
+						continue
+					}
+					rows = append(rows, rec)
+				}
+			}
+		}
+
+		// render simple table
+		var sb strings.Builder
+		sb.WriteString("<table border=1 cellpadding=4><tr><th>Time</th><th>Remote</th><th>Service</th><th>Details</th><th>Payload</th></tr>")
+		for _, r := range rows {
+			detB, _ := json.Marshal(r.Details)
+			sb.WriteString(fmt.Sprintf("<tr><td>%s</td><td>%s:%s</td><td>%s</td><td>%s</td><td><pre>%s</pre></td></tr>", r.Timestamp.Format("2006-01-02 15:04:05"), r.RemoteAddr, r.RemotePort, r.Service, template.HTMLEscapeString(string(detB)), template.HTMLEscapeString(r.RawPayload)))
+		}
+		sb.WriteString("</table>")
+		tpl.Execute(w, map[string]interface{}{"Body": template.HTML(sb.String())})
+	})
+
+	srv := &http.Server{Addr: addr, Handler: mux}
+	a.httpSrv = srv
+	log.Printf("Dashboard listening on http://%s", addr)
+	if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
+		log.Printf("dashboard error: %v", err)
+	}
+}
+
+func parseTime(s string) (t time.Time) {
+	t, _ = time.Parse(time.RFC3339Nano, s)
+	if t.IsZero() {
+		// fallback current time
+		t = time.Now()
+	}
+	return
+}