Update app.py

This commit is contained in:
Blackwhitebear8 2025-08-14 17:52:24 +02:00
parent c06c6b3939
commit b2af65d0f9

121
app.py
View file

@ -2,11 +2,16 @@ import os
import ipaddress import ipaddress
import json import json
import re import re
import subprocess
import statistics
import socket
from flask import Flask, render_template, jsonify, request, Response from flask import Flask, render_template, jsonify, request, Response
from dotenv import load_dotenv from dotenv import load_dotenv
from modules.network_tools import execute_command_streaming from modules.network_tools import execute_command_streaming
from modules.visual_route import generate_visual_route_graph, get_raw_bgp_route from modules.visual_route import generate_visual_route_graph, get_raw_bgp_route
from modules.mtr_parser import MtrParser
from modules.parse import run_bgp_route_curl_command
load_dotenv() load_dotenv()
@ -15,19 +20,37 @@ app = Flask(__name__)
FQDN_REGEX = re.compile(r'^(?!-)(?:[a-zA-Z0-9-]{0,62}[a-zA-Z0-9]\.){1,126}(?!-d$)[a-zA-Z0-9-]{2,63}$') FQDN_REGEX = re.compile(r'^(?!-)(?:[a-zA-Z0-9-]{0,62}[a-zA-Z0-9]\.){1,126}(?!-d$)[a-zA-Z0-9-]{2,63}$')
MAX_TARGET_LENGTH = 255 MAX_TARGET_LENGTH = 255
def is_valid_ip(target: str) -> bool: def validate_target(target: str) -> str | None:
try: if not target:
ipaddress.ip_address(target) return "A target is required."
return True if len(target) > MAX_TARGET_LENGTH:
except ValueError: return f"Target exceeds maximum length of {MAX_TARGET_LENGTH} characters."
return False if target.startswith('-') and '.' not in target:
return "Invalid target. Input resembles a command-line option."
def is_valid_hostname(hostname: str) -> bool: try:
if len(hostname) > MAX_TARGET_LENGTH: ip = ipaddress.ip_address(target)
return False if ip.is_private or ip.is_loopback or ip.is_multicast or ip.is_unspecified:
if is_valid_ip(hostname): return "Target IP address is in a reserved or private range and is not allowed."
return False return None
return FQDN_REGEX.match(hostname) is not None except ValueError:
pass
if not FQDN_REGEX.match(target):
return "Invalid input. Please provide a valid public IP address or FQDN."
return None
def get_all_locations_merged():
public_locations = json.loads(os.getenv('PUBLIC_LOCATIONS', '{}'))
backend_locations = json.loads(os.getenv('BACKEND_LOCATIONS', '{}'))
merged_locations = public_locations.copy()
for name, backend_config in backend_locations.items():
if name in merged_locations:
merged_locations[name].update(backend_config)
else:
merged_locations[name] = backend_config
return merged_locations
def get_ip_version_from_ip(target): def get_ip_version_from_ip(target):
try: try:
@ -36,14 +59,6 @@ def get_ip_version_from_ip(target):
except ValueError: except ValueError:
return 'ipv4' return 'ipv4'
@app.route("/ping")
def ping():
return "pong"
@app.errorhandler(404)
def page_not_found(e):
return render_template("404.html"), 404
@app.route('/') @app.route('/')
def index(): def index():
return render_template('looking_glass.html') return render_template('looking_glass.html')
@ -53,8 +68,15 @@ def get_locations():
locations_str = os.getenv('LOCATIONS', '{}') locations_str = os.getenv('LOCATIONS', '{}')
try: try:
locations = json.loads(locations_str) locations = json.loads(locations_str)
sensitive_keys = {"vyos_api_url", "vyos_api_key", "bgp_vrf_name"}
public_locations = {}
for name, config in locations.items():
public_config = {k: v for k, v in config.items() if k not in sensitive_keys}
public_locations[name] = public_config
config_data = { config_data = {
"locations": locations, "locations": public_locations,
"client_ip_api": { "client_ip_api": {
"v4": os.getenv('CLIENT_IPV4_API_URL'), "v4": os.getenv('CLIENT_IPV4_API_URL'),
"v6": os.getenv('CLIENT_IPV6_API_URL') "v6": os.getenv('CLIENT_IPV6_API_URL')
@ -64,57 +86,50 @@ def get_locations():
except json.JSONDecodeError: except json.JSONDecodeError:
return jsonify({"error": "Invalid LOCATIONS format in .env file"}), 500 return jsonify({"error": "Invalid LOCATIONS format in .env file"}), 500
@app.route('/api/client-ip')
def client_ip():
client_ip_addr = request.headers.get('X-Forwarded-for', request.remote_addr)
if client_ip_addr and client_ip_addr.startswith('::ffff:'):
client_ip_addr = client_ip_addr[7:]
return jsonify({'ip': client_ip_addr})
@app.route('/api/execute', methods=['POST']) @app.route('/api/execute', methods=['POST'])
def execute_command(): def execute_command():
data = request.json data = request.json
method = data.get('method') method = data.get('method')
target = data.get('target', '').strip() target = data.get('target', '').strip()
if not target: error = validate_target(target)
return jsonify({"error": "A target is required."}) if error:
if len(target) > MAX_TARGET_LENGTH: return jsonify({"error": error}), 400
return jsonify({"error": f"Target exceeds maximum length of {MAX_TARGET_LENGTH} characters."})
if target.startswith('-'):
return jsonify({"error": "Target cannot start with a hyphen."})
if not (is_valid_ip(target) or is_valid_hostname(target)):
return jsonify({"error": "Invalid input. Please provide a valid IP address or a fully qualified domain name."})
version = get_ip_version_from_ip(target)
if version == 'ipv6' and method in ['ping', 'mtr', 'traceroute']:
method += '6'
return Response(execute_command_streaming(method, target), mimetype='text/plain') return Response(execute_command_streaming(method, target), mimetype='text/plain')
@app.route('/api/bgp_raw_lookup', methods=['POST']) @app.route('/api/bgp_raw_lookup', methods=['POST'])
def bgp_raw_lookup(): def bgp_raw_lookup():
target = request.json.get('target', '').strip() data = request.json
data, error = get_raw_bgp_route(target) target = data.get('target', '').strip()
location_name = data.get('location')
locations = get_all_locations_merged()
location_config = locations.get(location_name, {})
data, error = get_raw_bgp_route(target, location_config, bgp_lookup_func=run_bgp_route_curl_command)
if error: if error:
return jsonify({"error": error}) return jsonify({"error": error}), 400
return Response(data, mimetype='text/plain') return Response(data, mimetype='text/plain')
@app.route('/api/visualize', methods=['POST']) @app.route('/api/visualize', methods=['POST'])
def visualize_route(): def visualize_route():
ip_address_str = request.json.get('ip_address', '').strip() data = request.json
graph_data = generate_visual_route_graph(ip_address_str) ip_address_str = data.get('ip_address', '').strip()
location_name = data.get('location')
locations = get_all_locations_merged()
location_config = locations.get(location_name, {})
graph_data = generate_visual_route_graph(
ip_address_str,
location_config,
bgp_lookup_func=run_bgp_route_curl_command
)
if "error" in graph_data: if "error" in graph_data:
return jsonify(graph_data) return jsonify(graph_data), 400
return jsonify(graph_data) return jsonify(graph_data)
if __name__ == '__main__':
app.run(host='0.0.0.0', port=5008, debug=True)