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Blackwhitebear8 2025-08-13 21:01:22 +02:00
parent 79615a7de4
commit dbcf644146
2 changed files with 240 additions and 0 deletions
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39
modules/network_tools.py Normal file
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import subprocess
import re
def execute_command_streaming(method, target):
commands = {
'ping': ['ping', '-c', '4', target],
'ping6': ['ping', '-c', '4', target],
'mtr': ['mtr', '-w', '-r', '-c', '10', target],
'mtr6': ['mtr', '-w', '-r', '-c', '10', target],
'traceroute': ['traceroute', '-n', target],
'traceroute6': ['traceroute', '-n', target],
}
if method not in commands:
yield f"Error: Invalid method '{method}'."
return
command = commands[method]
try:
proc = subprocess.Popen(
command,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
text=True,
bufsize=1,
universal_newlines=True
)
for line in iter(proc.stdout.readline, ''):
yield line
proc.stdout.close()
proc.wait()
except FileNotFoundError:
yield f"Error: Command '{command[0]}' not found. Is it installed on the server?"
except Exception as e:
yield f"An unexpected error occurred: {e}"

201
modules/visual_route.py Normal file
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import requests
import re
import json
import socket
import textwrap
import os
import ipaddress
from dotenv import load_dotenv
load_dotenv()
TRANSIT_COMMUNITIES = set(filter(None, os.getenv('BGP_COMMUNITIES_TRANSIT', '').split(',')))
IX_COMMUNITIES = set(filter(None, os.getenv('BGP_COMMUNITIES_IX', '').split(',')))
CUSTOMER_COMMUNITIES = set(filter(None, os.getenv('BGP_COMMUNITIES_CUSTOMER', '').split(',')))
API_URL = os.getenv('BGP_API_URL', 'http://127.0.0.1:5000/bgp-route/lookup')
AS_NAME_CACHE = {}
AS_NAME_WRAP_WIDTH = 25
ROUTER_NAME = os.getenv('BGP_VIS_ROUTER_NAME', 'My Router')
MAX_IP_CIDR_LENGTH = 45
def _bulk_get_as_names(asn_numbers: list[str]):
lookup_list = [asn for asn in asn_numbers if asn not in AS_NAME_CACHE]
if not lookup_list: return
query = "begin\n" + "\n".join(f"AS{asn}" for asn in lookup_list) + "\nend\n"
try:
with socket.create_connection(('bgp.tools', 43), timeout=10) as s:
s.sendall(query.encode('utf-8'))
response_data = b""
while True:
chunk = s.recv(4096)
if not chunk: break
response_data += chunk
response_str = response_data.decode('utf-8')
for line in response_str.splitlines():
parts = line.split('|')
if len(parts) > 1:
asn_num_str = parts[0].strip()
as_name = parts[-1].strip()
if asn_num_str.isdigit(): AS_NAME_CACHE[asn_num_str] = as_name
except (socket.error, socket.timeout) as e:
print(f"Bulk AS name lookup failed: {e}")
for asn in lookup_list:
if asn not in AS_NAME_CACHE: AS_NAME_CACHE[asn] = ""
def _get_bgp_data(ip_address: str, ip_version: str) -> str | None:
payload = {"ip_version": ip_version, "bgprouteprefix": ip_address}
headers = {"Content-Type": "application/json"}
try:
response = requests.post(API_URL, json=payload, headers=headers, timeout=10)
response.raise_for_status()
data = response.json()
if data.get("success") and data.get("data"): return data["data"]
else: return None
except requests.exceptions.RequestException: return None
def _parse_bgp_paths_to_graph(bgp_data: str) -> dict:
prefix_match = re.search(r"BGP routing table entry for ([\w:./-]+)", bgp_data)
prefix = prefix_match.group(1) if prefix_match else "Unknown Prefix"
lines = bgp_data.split('\n')
path_blocks = []
try:
paths_header_index = next(i for i, line in enumerate(lines) if "Paths:" in line)
current_block = []
for line in lines[paths_header_index + 1:]:
stripped_line = line.strip()
if not stripped_line: continue
is_new_path_line = False
if line.startswith(' ') and not line.startswith(' '):
first_word = stripped_line.split(' ')[0]
cleaned_first_word = first_word.replace(',', '')
if cleaned_first_word.isdigit() or stripped_line == "Local":
is_new_path_line = True
if is_new_path_line:
if current_block: path_blocks.append(current_block)
current_block = [line]
elif current_block:
current_block.append(line)
if current_block: path_blocks.append(current_block)
except StopIteration:
return {"nodes": [], "edges": []}
all_paths_info, best_path_info = [], None
for block in path_blocks:
block_text_full = "\n".join(block)
clean_lines = [line for line in block if not line.strip().startswith("AddPath ID:")]
block_text_for_check = "\n".join(clean_lines)
is_best = bool(re.search(r'\bbest\b', block_text_for_check, re.IGNORECASE))
is_multipath = 'multipath' in block_text_for_check.lower()
path_line = block[0].strip()
path_asns_raw = []
if path_line != "Local":
for part in path_line.split(' '):
clean_part = part.replace(',', '').strip()
if clean_part.isdigit():
path_asns_raw.append(clean_part)
else:
break
path_asns = path_asns_raw
local_pref_match = re.search(r'localpref (\d+)', block_text_full)
local_pref = int(local_pref_match.group(1)) if local_pref_match else None
next_hop_match = re.search(r'^\s*([\da-fA-F:.]+)\s+from', block_text_full, re.MULTILINE)
next_hop = next_hop_match.group(1) if next_hop_match else None
community_match = re.search(r'Large Community: ([\d:]+)', block_text_full)
community = community_match.group(1) if community_match else None
category = 'other'
if community:
if community in TRANSIT_COMMUNITIES: category = 'transit'
elif community in IX_COMMUNITIES: category = 'ix'
elif community in CUSTOMER_COMMUNITIES: category = 'customer'
path_info = {"asns": path_asns, "local_pref": local_pref, "next_hop": next_hop, "is_best": is_best, "is_multipath": is_multipath, "community": community, "category": category}
all_paths_info.append(path_info)
if is_best and not best_path_info:
best_path_info = path_info
all_asns_in_graph = {asn for path in all_paths_info for asn in path['asns']}
if all_asns_in_graph:
_bulk_get_as_names(list(all_asns_in_graph))
ordered_paths = sorted(all_paths_info, key=lambda p: (not p['is_best'], not p['is_multipath']))
nodes, edges = [], []
X_SEPARATION, Y_SEPARATION = 300, 200
max_path_len = max((len(p['asns']) for p in ordered_paths if p['asns']), default=0)
if not ordered_paths:
return {"nodes": [], "edges": []}
nodes.append({"id": ROUTER_NAME, "label": f"<b>{ROUTER_NAME}</b>", "color": '#FADBD8', "x": 0, "y": 0, "fixed": True, "path_category": "global", "is_active": True})
nodes.append({"id": prefix, "label": f"<b>{prefix}</b>", "color": '#FADBD8', "x": (max_path_len + 1) * X_SEPARATION, "y": 0, "fixed": True, "path_category": "global", "is_active": True})
y_pos_counter_up, y_pos_counter_down = 1, 1
for i, path_info in enumerate(ordered_paths):
lane_y = 0
if i > 0:
if y_pos_counter_up <= y_pos_counter_down: lane_y = y_pos_counter_up * Y_SEPARATION; y_pos_counter_up += 1
else: lane_y = -y_pos_counter_down * Y_SEPARATION; y_pos_counter_down += 1
style, is_active_path = {}, False
if path_info['is_best']:
style = {"node_color": '#FADBD8', "edge_color": '#C0392B', "width": 3, "dashes": False, "path_type": " (best)"}; is_active_path = True
elif path_info['is_multipath']:
style = {"node_color": '#FDEBD0', "edge_color": '#F39C12', "width": 2, "dashes": False, "path_type": " (multipath)"}; is_active_path = True
else:
style = {"node_color": '#D6DBDF', "edge_color": '#2C3E50', "width": 1, "dashes": True, "path_type": ""}; is_active_path = False
path_node_ids = []
for j, asn in enumerate(path_info['asns']):
unique_node_id = f"AS{asn}-{i}-{j}"
path_node_ids.append(unique_node_id)
as_name = AS_NAME_CACHE.get(asn, ""); wrapped_name = '\n'.join(textwrap.wrap(as_name, width=AS_NAME_WRAP_WIDTH)) if as_name else ""
base_label = f"<b>AS{asn}</b>"
if j == 0 and path_info['local_pref'] is not None: base_label += f" (LP: {path_info['local_pref']})"
label = f"{base_label}\n{wrapped_name}"
if j == 0 and path_info['next_hop']: label += f"\n<i>Next Hop: {path_info['next_hop']}{style['path_type']}</i>"
nodes.append({"id": unique_node_id, "label": label, "color": style['node_color'], "x": (j + 1) * X_SEPARATION, "y": lane_y, "fixed": True, "path_category": path_info['category'], "is_active": is_active_path})
full_chain = [ROUTER_NAME] + path_node_ids + [prefix]
smooth_config = {"enabled": True, "type": "cubicBezier", "forceDirection": "horizontal", "roundness": 0.85}
for j in range(len(full_chain) - 1):
edges.append({"from": full_chain[j], "to": full_chain[j+1], "color": style['edge_color'], "width": style['width'], "dashes": style['dashes'], "path_category": path_info['category'], "is_active": is_active_path, "smooth": smooth_config})
return {"nodes": nodes, "edges": edges, "path_count": len(ordered_paths)}
def generate_visual_route_graph(ip_address_str: str) -> dict:
if not ip_address_str:
return {"error": "An IP address or prefix is required."}
if len(ip_address_str) > MAX_IP_CIDR_LENGTH:
return {"error": f"Input exceeds maximum length of {MAX_IP_CIDR_LENGTH} characters."}
address_to_lookup, ip_version = "", ""
try:
if '/' in ip_address_str:
net_obj = ipaddress.ip_network(ip_address_str, strict=False)
ip_version, address_to_lookup = f"ipv{net_obj.version}", net_obj.with_prefixlen
else:
ip_obj = ipaddress.ip_address(ip_address_str)
ip_version, address_to_lookup = f"ipv{ip_obj.version}", str(ip_obj)
except ValueError:
return {"error": f"Invalid input '{ip_address_str}'. Please provide a valid IPv4/IPv6 address or prefix."}
bgp_data = _get_bgp_data(address_to_lookup, ip_version)
if not bgp_data:
return {"not_found": True, "target": address_to_lookup}
graph_data = _parse_bgp_paths_to_graph(bgp_data)
if not graph_data.get("nodes"):
return {"not_found": True, "target": address_to_lookup}
return graph_data