init: NetMap — scanner réseau local avec interface web
Scan nmap de 192.168.1.10-150, affichage IP/MAC/fabricant/hostname, nommage personnalisé par appareil (JSON), serveur HTTP Python stdlib. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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perco
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#!/usr/bin/env python3
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"""NetMap - Scan et nommage des appareils réseau 192.168.1.10-150"""
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import json
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import os
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import re
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import subprocess
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import sys
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from http.server import BaseHTTPRequestHandler, HTTPServer
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from urllib.parse import urlparse, parse_qs
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DATA_FILE = os.path.join(os.path.dirname(__file__), "devices.json")
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IP_START = "192.168.1.10"
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IP_END = "192.168.1.150"
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NMAP_RANGE = f"192.168.1.10-150"
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PORT = 8787
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def load_devices():
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if os.path.exists(DATA_FILE):
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with open(DATA_FILE) as f:
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return json.load(f)
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return {}
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def save_devices(data):
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with open(DATA_FILE, "w") as f:
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json.dump(data, f, indent=2)
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def run_scan():
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"""Lance nmap et retourne la liste des hôtes détectés."""
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try:
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result = subprocess.run(
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["nmap", "-sn", "-T4", "--host-timeout", "2s", NMAP_RANGE],
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capture_output=True, text=True, timeout=120
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)
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return parse_nmap_output(result.stdout)
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except Exception as e:
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return {"error": str(e)}
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def parse_nmap_output(output):
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hosts = []
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current = {}
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for line in output.splitlines():
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m_host = re.search(r"Nmap scan report for (.+)", line)
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if m_host:
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if current.get("ip"):
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hosts.append(current)
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raw = m_host.group(1)
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# "hostname (ip)" ou juste "ip"
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ip_match = re.search(r"\((\d+\.\d+\.\d+\.\d+)\)", raw)
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if ip_match:
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current = {"ip": ip_match.group(1), "hostname": raw.split("(")[0].strip()}
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else:
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current = {"ip": raw.strip(), "hostname": ""}
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current["mac"] = ""
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current["vendor"] = ""
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continue
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m_mac = re.search(r"MAC Address: ([0-9A-F:]+)\s*(?:\((.+)\))?", line, re.I)
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if m_mac:
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current["mac"] = m_mac.group(1)
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current["vendor"] = m_mac.group(2) or ""
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if current.get("ip"):
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hosts.append(current)
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return hosts
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HTML = r"""<!DOCTYPE html>
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<html lang="fr">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>NetMap — Réseau local</title>
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<style>
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* { box-sizing: border-box; margin: 0; padding: 0; }
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body { font-family: 'Segoe UI', system-ui, sans-serif; background: #0f1117; color: #e2e8f0; min-height: 100vh; }
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header { background: #1a1d2e; border-bottom: 1px solid #2d3250; padding: 18px 32px; display: flex; align-items: center; gap: 16px; }
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header h1 { font-size: 1.4rem; font-weight: 700; color: #7c8cf8; }
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header span { font-size: 0.85rem; color: #64748b; }
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.container { max-width: 960px; margin: 0 auto; padding: 28px 20px; }
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.toolbar { display: flex; gap: 12px; margin-bottom: 24px; align-items: center; flex-wrap: wrap; }
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button { background: #7c8cf8; color: #fff; border: none; border-radius: 8px; padding: 9px 20px; font-size: 0.9rem; cursor: pointer; font-weight: 600; transition: background .15s; }
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button:hover { background: #6370f0; }
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button:disabled { background: #3d4466; color: #8a94b4; cursor: not-allowed; }
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.status { font-size: 0.85rem; color: #64748b; }
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.status.scanning { color: #f59e0b; }
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.status.done { color: #22c55e; }
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table { width: 100%; border-collapse: collapse; }
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thead th { background: #1a1d2e; padding: 12px 14px; text-align: left; font-size: 0.78rem; text-transform: uppercase; letter-spacing: .06em; color: #64748b; border-bottom: 1px solid #2d3250; }
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tbody tr { border-bottom: 1px solid #1e2235; transition: background .1s; }
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tbody tr:hover { background: #1a1d2e; }
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td { padding: 11px 14px; font-size: 0.9rem; }
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td.ip { font-family: monospace; color: #7c8cf8; font-weight: 600; }
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td.mac { font-family: monospace; font-size: 0.82rem; color: #94a3b8; }
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td.vendor { font-size: 0.82rem; color: #64748b; }
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td.hostname { font-size: 0.82rem; color: #94a3b8; }
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.name-cell { display: flex; gap: 8px; align-items: center; }
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.name-input { background: #252840; border: 1px solid #3d4466; color: #e2e8f0; border-radius: 6px; padding: 5px 10px; font-size: 0.88rem; flex: 1; min-width: 120px; transition: border-color .15s; }
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.name-input:focus { outline: none; border-color: #7c8cf8; }
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.save-btn { background: #1e2235; color: #7c8cf8; border: 1px solid #3d4466; border-radius: 6px; padding: 5px 12px; font-size: 0.82rem; cursor: pointer; white-space: nowrap; transition: all .15s; }
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.save-btn:hover { background: #2d3250; border-color: #7c8cf8; }
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.saved-flash { color: #22c55e; font-size: 0.78rem; }
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.empty { text-align: center; padding: 60px; color: #64748b; }
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.badge { display: inline-block; background: #22c55e22; color: #22c55e; border-radius: 4px; padding: 2px 8px; font-size: 0.75rem; font-weight: 700; }
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</style>
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</head>
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<body>
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<header>
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<h1>🌐 NetMap</h1>
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<span>192.168.1.10 — 192.168.1.150</span>
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</header>
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<div class="container">
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<div class="toolbar">
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<button id="scanBtn" onclick="scan()">🔍 Scanner le réseau</button>
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<span class="status" id="status">Cliquez sur Scanner pour démarrer</span>
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</div>
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<div id="result"></div>
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</div>
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<script>
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let allDevices = {};
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async function scan() {
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const btn = document.getElementById('scanBtn');
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const status = document.getElementById('status');
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btn.disabled = true;
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status.className = 'status scanning';
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status.textContent = '⏳ Scan en cours (peut prendre 30–60 s)…';
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try {
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const r = await fetch('/scan');
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const data = await r.json();
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status.className = 'status done';
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if (data.error) {
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status.textContent = '❌ Erreur : ' + data.error;
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} else {
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status.textContent = `✅ ${data.hosts.length} appareil(s) détecté(s)`;
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allDevices = data.names || {};
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renderTable(data.hosts, allDevices);
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}
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} catch(e) {
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status.className = 'status';
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status.textContent = '❌ Erreur réseau : ' + e;
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}
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btn.disabled = false;
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}
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function renderTable(hosts, names) {
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const el = document.getElementById('result');
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if (!hosts.length) { el.innerHTML = '<p class="empty">Aucun appareil détecté.</p>'; return; }
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let rows = hosts.map(h => {
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const name = names[h.ip] || '';
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return `<tr>
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<td class="ip">${h.ip}</td>
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<td class="mac">${h.mac || '—'}</td>
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<td class="vendor">${h.vendor || '—'}</td>
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<td class="hostname">${h.hostname || '—'}</td>
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<td>
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<div class="name-cell">
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<input class="name-input" id="n_${h.ip.replace(/\./g,'_')}" value="${escHtml(name)}" placeholder="Nom personnalisé…">
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<button class="save-btn" onclick="saveName('${h.ip}')">Sauver</button>
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<span class="saved-flash" id="f_${h.ip.replace(/\./g,'_')}"></span>
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</div>
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</td>
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</tr>`;
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}).join('');
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el.innerHTML = `<table>
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<thead><tr>
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<th>IP</th><th>MAC</th><th>Fabricant</th><th>Hostname</th><th>Nom perso</th>
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</tr></thead>
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<tbody>${rows}</tbody>
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</table>`;
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}
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function escHtml(s) { return s.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>').replace(/"/g,'"'); }
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async function saveName(ip) {
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const key = ip.replace(/\./g,'_');
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const val = document.getElementById('n_'+key).value.trim();
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const flash = document.getElementById('f_'+key);
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try {
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const r = await fetch('/name', {
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method: 'POST',
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headers: {'Content-Type':'application/json'},
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body: JSON.stringify({ip, name: val})
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});
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const d = await r.json();
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flash.textContent = d.ok ? '✓' : '✗';
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setTimeout(() => flash.textContent = '', 2000);
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} catch(e) { flash.textContent = '✗'; }
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}
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// Charger les noms sauvegardés au démarrage
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fetch('/names').then(r => r.json()).then(d => { allDevices = d; });
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</script>
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</body>
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</html>"""
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class Handler(BaseHTTPRequestHandler):
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def log_message(self, fmt, *args):
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pass # Silence les logs HTTP
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def send_json(self, data, code=200):
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body = json.dumps(data).encode()
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self.send_response(code)
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self.send_header("Content-Type", "application/json")
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self.send_header("Content-Length", len(body))
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self.end_headers()
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self.wfile.write(body)
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def do_GET(self):
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path = urlparse(self.path).path
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if path == "/" or path == "/index.html":
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body = HTML.encode()
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self.send_response(200)
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self.send_header("Content-Type", "text/html; charset=utf-8")
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self.send_header("Content-Length", len(body))
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self.end_headers()
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self.wfile.write(body)
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elif path == "/scan":
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hosts = run_scan()
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if isinstance(hosts, dict) and "error" in hosts:
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self.send_json({"error": hosts["error"], "hosts": [], "names": {}})
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else:
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names = load_devices()
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self.send_json({"hosts": hosts, "names": names})
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elif path == "/names":
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self.send_json(load_devices())
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else:
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self.send_response(404)
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self.end_headers()
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def do_POST(self):
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if self.path == "/name":
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length = int(self.headers.get("Content-Length", 0))
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body = json.loads(self.rfile.read(length))
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ip = body.get("ip", "").strip()
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name = body.get("name", "").strip()
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if re.match(r"^\d+\.\d+\.\d+\.\d+$", ip):
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data = load_devices()
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if name:
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data[ip] = name
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elif ip in data:
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del data[ip]
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save_devices(data)
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self.send_json({"ok": True})
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else:
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self.send_json({"ok": False, "error": "IP invalide"}, 400)
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else:
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self.send_response(404)
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self.end_headers()
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if __name__ == "__main__":
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server = HTTPServer(("0.0.0.0", PORT), Handler)
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print(f"NetMap démarré → http://localhost:{PORT}")
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print("Ctrl+C pour arrêter")
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try:
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server.serve_forever()
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except KeyboardInterrupt:
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print("\nArrêt.")
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