Initial commit

2025-07-16 16:04:34 +02:00
parent 58ba4ecd59
commit 174785f982
10 changed files with 352 additions and 1 deletions
--- a/.gitignore
+++ b/.gitignore
--- a/README.md
+++ b/README.md
@@ -1,2 +1,8 @@
-# go-fileserver
+# Go File Server with Dashboard

+A self-contained Go application that:
+
+- Serves file uploads via web UI
+- Tracks uploads/downloads with timestamps
+- Displays an admin dashboard with a Bootstrap UI and Chart.js graphs
+- Serves all frontend files locally (no CDN)
--- a/dashboard.html
+++ b/dashboard.html
@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<html lang="en" data-bs-theme="dark">
+<head>
+  <meta charset="UTF-8">
+  <title>Dashboard</title>
+  <link href="/static/bootstrap.min.css" rel="stylesheet">
+</head>
+<body class="bg-dark text-light">
+  <div class="container py-4">
+    <h1>🧠 Admin Dashboard</h1>
+    <ul class="nav nav-tabs">
+      <li class="nav-item"><a class="nav-link active" data-bs-toggle="tab" href="#uploads">Uploads</a></li>
+      <li class="nav-item"><a class="nav-link" data-bs-toggle="tab" href="#downloads">Downloads</a></li>
+      <li class="nav-item"><a class="nav-link" data-bs-toggle="tab" href="#chart">Chart</a></li>
+    </ul>
+    <div class="tab-content mt-3">
+      <div class="tab-pane fade show active" id="uploads">
+        <table class="table table-dark table-bordered">
+          <thead><tr><th>IP</th><th>File</th><th>Time</th></tr></thead>
+          <tbody>
+            {{range .Events}} {{if eq .Action "upload"}}
+            <tr><td>{{.IP}}</td><td>{{.File}}</td><td>{{.Timestamp.Format "2006-01-02 15:04:05"}}</td></tr>
+            {{end}} {{end}}
+          </tbody>
+        </table>
+      </div>
+      <div class="tab-pane fade" id="downloads">
+        <table class="table table-dark table-bordered">
+          <thead><tr><th>IP</th><th>File</th><th>Time</th></tr></thead>
+          <tbody>
+            {{range .Events}} {{if eq .Action "download"}}
+            <tr><td>{{.IP}}</td><td>{{.File}}</td><td>{{.Timestamp.Format "2006-01-02 15:04:05"}}</td></tr>
+            {{end}} {{end}}
+          </tbody>
+        </table>
+      </div>
+      <div class="tab-pane fade" id="chart">
+        <div class="bg-light p-3 rounded text-dark">
+          <canvas id="downloadChart" height="120"></canvas>
+        </div>
+      </div>
+    </div>
+  </div>
+  <script src="/static/bootstrap.bundle.min.js"></script>
+  <script src="/static/chart.min.js"></script>
+  <script>
+    fetch("/dashboard-data").then(r => r.json()).then(data => {
+      const ctx = document.getElementById('downloadChart').getContext('2d')
+      const labels = data.map(e => e.ip + ": " + e.file)
+      const values = data.map(e => e.count)
+      new Chart(ctx, {
+        type: 'bar',
+        data: {
+          labels: labels,
+          datasets: [{ label: "Downloads", data: values, backgroundColor: '#00d1b2' }]
+        },
+        options: {
+          scales: {
+            x: { ticks: { color: "white" } },
+            y: { ticks: { color: "white" }, beginAtZero: true }
+          }
+        }
+      })
+    })
+  </script>
+</body>
+</html>
--- a/debug.log
+++ b/debug.log
@@ -0,0 +1,14 @@
+2025/07/16 15:21:33 Starting server...
+2025/07/16 15:21:33 Server running at http://localhost:8080
+2025/07/16 15:23:03 Starting server...
+2025/07/16 15:23:03 Server running at http://localhost:8080
+2025/07/16 15:24:35 Starting server...
+2025/07/16 15:24:35 Server running at http://localhost:8080
+2025/07/16 15:28:43 Starting server...
+2025/07/16 15:28:43 Server running at http://localhost:80
+2025/07/16 15:28:58 File uploaded: caddy_windows_amd64_custom.exe
+2025/07/16 15:33:08 Server started at 2025-07-16 15:33:08.9867437 +0200 CEST m=+0.003202501
+2025/07/16 15:33:08 Server ready on http://localhost:8080
+2025/07/16 15:33:36 UPLOAD by 127.0.0.1: bootstrap-5.3.7-dist.zip
+2025/07/16 15:33:48 UPLOAD by 127.0.0.1: VCDS 25.5.0 + VIIPlus Loader 08.024.05.rar
+2025/07/16 15:33:55 DOWNLOAD by 127.0.0.1: bootstrap-5.3.7-dist.zip
--- a/index.html
+++ b/index.html
@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<html lang="en" data-bs-theme="dark">
+<head>
+  <meta charset="UTF-8">
+  <title>File Uploader</title>
+  <link rel="stylesheet" href="/static/bootstrap.min.css">
+</head>
+<body class="bg-dark text-light">
+  <div class="container py-5">
+    <h2>Upload a File</h2>
+    <form action="/upload" method="POST" enctype="multipart/form-data" class="row g-3 mb-4">
+      <div class="col-9">
+        <input type="file" name="file" class="form-control" required>
+      </div>
+      <div class="col-3">
+        <button class="btn btn-primary w-100">Upload</button>
+      </div>
+    </form>
+    <h3>Files</h3>
+    <ul class="list-group">
+      {{range .Files}}
+      <li class="list-group-item d-flex justify-content-between">
+        <a href="/files/{{.Name}}" class="text-light">{{.Name}}</a>
+        <span class="badge bg-secondary">{{.Size | formatBytes}}</span>
+      </li>
+      {{else}}
+      <li class="list-group-item">No files yet</li>
+      {{end}}
+    </ul>
+    <p class="mt-4 text-center"><a href="/dashboard" class="btn btn-outline-info">Go to Dashboard</a></p>
+  </div>
+</body>
+</html>
--- a/main.exe
+++ b/main.exe
--- a/main.go
+++ b/main.go
@@ -0,0 +1,204 @@
+package main
+
+import (
+	"embed"
+	"encoding/json"
+	"fmt"
+	"html/template"
+	"io"
+	"io/fs"
+	"log"
+	"net/http"
+	"os"
+	"path/filepath"
+	"sort"
+	"strings"
+	"time"
+)
+
+//go:embed index.html
+//go:embed dashboard.html
+//go:embed static/*
+var content embed.FS
+
+const (
+	uploadDir = "./public"
+	logFile   = "debug.log"
+)
+
+type FileInfo struct {
+	Name string
+	Size int64
+}
+
+type AccessEvent struct {
+	IP        string
+	File      string
+	Timestamp time.Time
+	Action    string // "upload" or "download"
+}
+
+type StatEntry struct {
+	IP    string `json:"ip"`
+	File  string `json:"file"`
+	Count int    `json:"count"`
+}
+
+var logger *log.Logger
+var accessLog []AccessEvent
+
+func main() {
+	// Logger setup
+	logWriter, err := os.OpenFile(logFile, os.O_CREATE|os.O_RDWR|os.O_APPEND, 0644)
+	if err != nil {
+		log.Fatalf("Log file error: %v", err)
+	}
+	defer logWriter.Close()
+	logger = log.New(logWriter, "", log.LstdFlags)
+
+	if _, err := os.Stat(uploadDir); os.IsNotExist(err) {
+		_ = os.Mkdir(uploadDir, 0755)
+	}
+
+	// Embed FS for static/ directory
+	fsStatic, err := fs.Sub(content, "static")
+	if err != nil {
+		logger.Fatalf("Failed to load static: %v", err)
+	}
+
+	// Templates
+	tmplIndex := template.Must(template.New("index.html").Funcs(template.FuncMap{
+		"formatBytes": formatBytes,
+	}).ParseFS(content, "index.html"))
+
+	tmplDashboard := template.Must(template.ParseFS(content, "dashboard.html"))
+
+	// Routes
+	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		files, _ := listFiles(uploadDir)
+		data := struct{ Files []FileInfo }{Files: files}
+		w.Header().Set("Content-Type", "text/html")
+		_ = tmplIndex.Execute(w, data)
+	})
+
+	http.HandleFunc("/upload", uploadHandler)
+	http.HandleFunc("/dashboard", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "text/html")
+		_ = tmplDashboard.Execute(w, struct{ Events []AccessEvent }{accessLog})
+	})
+
+	http.HandleFunc("/dashboard-data", statsHandler)
+
+	http.HandleFunc("/files/", func(w http.ResponseWriter, r *http.Request) {
+		file := strings.TrimPrefix(r.URL.Path, "/files/")
+		ip := getIP(r)
+		accessLog = append(accessLog, AccessEvent{
+			IP: ip, File: file, Action: "download", Timestamp: time.Now(),
+		})
+		http.ServeFile(w, r, filepath.Join(uploadDir, file))
+	})
+
+	http.Handle("/static/", http.StripPrefix("/static/", http.FileServer(http.FS(fsStatic))))
+
+	log.Println("Server started on http://localhost:80/")
+	_ = http.ListenAndServe(":80", nil)
+}
+
+// ===== Helpers =====
+
+func uploadHandler(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodPost {
+		http.Error(w, "Only POST supported", http.StatusMethodNotAllowed)
+		return
+	}
+
+	err := r.ParseMultipartForm(10 << 20)
+	if err != nil {
+		http.Error(w, "Failed to parse form", 400)
+		return
+	}
+
+	file, handler, err := r.FormFile("file")
+	if err != nil {
+		http.Error(w, "No file found", 400)
+		return
+	}
+	defer file.Close()
+
+	dst, err := os.Create(filepath.Join(uploadDir, handler.Filename))
+	if err != nil {
+		http.Error(w, "Failed to save file", 500)
+		return
+	}
+	defer dst.Close()
+	_, _ = io.Copy(dst, file)
+
+	ip := getIP(r)
+	accessLog = append(accessLog, AccessEvent{
+		IP: ip, File: handler.Filename, Action: "upload", Timestamp: time.Now(),
+	})
+
+	http.Redirect(w, r, "/", http.StatusSeeOther)
+}
+
+func listFiles(dir string) ([]FileInfo, error) {
+	entries, err := os.ReadDir(dir)
+	if err != nil {
+		return nil, err
+	}
+	var files []FileInfo
+	for _, e := range entries {
+		info, err := e.Info()
+		if err == nil && !info.IsDir() {
+			files = append(files, FileInfo{Name: info.Name(), Size: info.Size()})
+		}
+	}
+	sort.Slice(files, func(i, j int) bool {
+		return files[i].Name < files[j].Name
+	})
+	return files, nil
+}
+
+func formatBytes(b int64) string {
+	const unit = 1024
+	if b < unit {
+		return fmt.Sprintf("%d B", b)
+	}
+	div, exp := int64(unit), 0
+	for n := b / unit; n >= unit; n /= unit {
+		div *= unit
+		exp++
+	}
+	return fmt.Sprintf("%.1f %cB", float64(b)/float64(div), "KMGTPE"[exp])
+}
+
+func getIP(r *http.Request) string {
+	ip := r.RemoteAddr
+	if i := strings.LastIndex(ip, ":"); i != -1 {
+		ip = ip[:i]
+	}
+	return ip
+}
+
+func statsHandler(w http.ResponseWriter, r *http.Request) {
+	counter := map[string]map[string]int{}
+	for _, e := range accessLog {
+		if e.Action != "download" {
+			continue
+		}
+		if counter[e.IP] == nil {
+			counter[e.IP] = map[string]int{}
+		}
+		counter[e.IP][e.File]++
+	}
+
+	var result []StatEntry
+	for ip, files := range counter {
+		for file, count := range files {
+			result = append(result, StatEntry{IP: ip, File: file, Count: count})
+		}
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	_ = json.NewEncoder(w).Encode(result)
+}
--- a/static/bootstrap.bundle.min.js
+++ b/static/bootstrap.bundle.min.js
--- a/static/bootstrap.min.css
+++ b/static/bootstrap.min.css
--- a/static/chart.min.js
+++ b/static/chart.min.js