🎉 Initial commit: CrowdSec notification service

2025-12-31 18:09:20 +01:00
commit eef8c3835e
6 changed files with 202 additions and 0 deletions
--- a/app.py
+++ b/app.py
@@ -0,0 +1,88 @@
+#!/usr/bin/env python3
+"""
+CrowdSec Notification Webhook
+Groups alerts by IP and sends formatted notifications via Apprise
+Author: Maxime Killinger
+"""
+
+import os
+from flask import Flask, request, jsonify
+import requests
+
+app = Flask(__name__)
+
+APPRISE_URL = os.environ.get("APPRISE_URL", "http://192.168.1.118:8000/notify/telegram_alerts")
+
+# Country codes to full names
+COUNTRIES = {
+    "CN": "Chine", "RU": "Russie", "US": "États-Unis", "FR": "France",
+    "DE": "Allemagne", "GB": "Royaume-Uni", "NL": "Pays-Bas", "BR": "Brésil",
+    "IN": "Inde", "KR": "Corée du Sud", "JP": "Japon", "VN": "Vietnam",
+    "ID": "Indonésie", "TW": "Taïwan", "HK": "Hong Kong", "SG": "Singapour",
+    "TH": "Thaïlande", "PH": "Philippines", "MY": "Malaisie", "PK": "Pakistan",
+    "BD": "Bangladesh", "IR": "Iran", "TR": "Turquie", "UA": "Ukraine",
+    "PL": "Pologne", "RO": "Roumanie", "IT": "Italie", "ES": "Espagne",
+    "AR": "Argentine", "MX": "Mexique", "CO": "Colombie", "CL": "Chili",
+    "ZA": "Afrique du Sud", "EG": "Égypte", "NG": "Nigeria", "KE": "Kenya",
+    "AU": "Australie", "NZ": "Nouvelle-Zélande", "CA": "Canada", "SE": "Suède",
+    "NO": "Norvège", "FI": "Finlande", "DK": "Danemark", "BE": "Belgique",
+    "CH": "Suisse", "AT": "Autriche", "CZ": "Tchéquie", "HU": "Hongrie",
+    "BG": "Bulgarie", "GR": "Grèce", "PT": "Portugal", "IE": "Irlande",
+}
+
+def get_country_name(code):
+    if not code:
+        return "Inconnu"
+    return COUNTRIES.get(code.upper(), code)
+
+def format_scenario(scenario):
+    if not scenario:
+        return "unknown"
+    return scenario.replace("crowdsecurity/", "").replace("_", " ")
+
+@app.route('/crowdsec', methods=['POST'])
+def handle_crowdsec():
+    try:
+        alerts = request.json
+        if not alerts:
+            return jsonify({"status": "no data"}), 200
+        
+        # Group by IP
+        ip_groups = {}
+        for alert in alerts:
+            ip = alert.get("Source", {}).get("IP", "unknown")
+            country = alert.get("Source", {}).get("Cn", "")
+            scenario = alert.get("Scenario", "unknown")
+            
+            if ip not in ip_groups:
+                ip_groups[ip] = {"country": country, "scenarios": []}
+            ip_groups[ip]["scenarios"].append(format_scenario(scenario))
+        
+        # Format message
+        num_ips = len(ip_groups)
+        lines = []
+        
+        for ip, data in ip_groups.items():
+            country_name = get_country_name(data["country"])
+            whois_link = f"https://who.is/whois-ip/ip-address/{ip}"
+            lines.append(f"🚫 {ip} ({country_name})")
+            lines.append(f"   🔗 {whois_link}")
+            for scenario in data["scenarios"]:
+                lines.append(f"   └ {scenario}")
+            lines.append("")
+        
+        body = "\n".join(lines).strip()
+        title = f"🛡️ CrowdSec - {num_ips} IP{'s' if num_ips > 1 else ''} bannie{'s' if num_ips > 1 else ''}"
+        
+        requests.post(APPRISE_URL, json={"title": title, "body": body}, timeout=10)
+        return jsonify({"status": "sent", "ips": num_ips}), 200
+        
+    except Exception as e:
+        return jsonify({"status": "error", "message": str(e)}), 500
+
+@app.route('/health', methods=['GET'])
+def health():
+    return jsonify({"status": "ok"}), 200
+
+if __name__ == '__main__':
+    app.run(host='0.0.0.0', port=5000)