proper status code, added detail in reposne
This commit is contained in:
186
macvendorapi.py
186
macvendorapi.py
@@ -1,144 +1,120 @@
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from fastapi import FastAPI, HTTPException
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from contextlib import asynccontextmanager
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import httpx
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from fastapi.responses import JSONResponse
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import re
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import os
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from typing import Dict, Optional
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import httpx
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from urllib.parse import unquote
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local_mac_vendors: Dict[str, str] = {}
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app = FastAPI(title="MAC Address Vendor Lookup API")
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@asynccontextmanager
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async def lifespan(app: FastAPI):
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load_local_mac_vendors()
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yield
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def normalize_mac(mac_address: str) -> str:
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mac_clean = unquote(mac_address)
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mac_clean = re.sub(r'[^a-fA-F0-9]', '', mac_clean)
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app = FastAPI(title="MAC Address Vendor Lookup", version="1.0.0", lifespan=lifespan)
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if len(mac_clean) < 6:
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return None
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local_mac_vendors: Dict[str, str] = {}
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return '-'.join([mac_clean[i:i+2].upper() for i in range(0, len(mac_clean), 2)])
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def load_local_mac_vendors():
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"""Load MAC vendor data from local file"""
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global local_mac_vendors
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if local_mac_vendors or not os.path.exists("mac_list.txt"):
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return
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def is_valid_mac(mac_address: str) -> bool:
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mac_clean = unquote(mac_address)
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mac_clean = re.sub(r'[^a-fA-F0-9]', '', mac_clean)
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return len(mac_clean) >= 6 and len(mac_clean) <= 12 and all(c in '0123456789abcdefABCDEF' for c in mac_clean)
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def get_mac_prefix(mac_address: str) -> str:
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mac_clean = re.sub(r'[^a-fA-F0-9]', '', mac_address)
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return mac_clean[:6].upper()
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def lookup_local_file(mac_prefix: str) -> str:
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if not os.path.exists('mac_list.txt'):
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return None
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try:
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with open("mac_list.txt", "r", encoding="utf-8") as file:
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for line in file:
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with open('mac_list.txt', 'r') as f:
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for line in f:
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line = line.strip()
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if line:
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parts = line.split('\t', 1)
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if len(parts) == 2:
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oui = parts[0].strip().upper()
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vendor = parts[1].strip()
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local_mac_vendors[oui] = vendor
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if line and ' ' in line:
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prefix, vendor = line.split(' ', 1)
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if prefix.upper() == mac_prefix:
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return vendor
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except Exception:
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pass
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async def lookup_from_github(oui: str) -> Optional[str]:
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"""Lookup vendor from GitHub gist"""
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return None
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async def lookup_remote_gist(mac_prefix: str) -> str:
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url = "https://gist.githubusercontent.com/aallan/b4bb86db86079509e6159810ae9bd3e4/raw/846ae1b646ab0f4d646af9115e47365f4118e5f6/mac-vendor.txt"
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try:
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async with httpx.AsyncClient() as client:
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response = await client.get(url, timeout=10.0)
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response.raise_for_status()
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for line in response.text.strip().split('\n'):
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if line.strip():
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parts = line.split('\t', 1)
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if len(parts) == 2 and parts[0].strip().upper() == oui:
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return parts[1].strip()
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except Exception:
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pass
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return None
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async def lookup_from_macvendors_api(mac_address: str) -> Optional[str]:
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"""Lookup vendor from macvendors.com API"""
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try:
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formatted_mac = normalize_mac_for_api(mac_address)
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url = f"https://api.macvendors.com/{formatted_mac}"
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async with httpx.AsyncClient() as client:
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response = await client.get(url, timeout=10.0)
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response = await client.get(url, timeout=5.0)
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if response.status_code == 200:
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content_type = response.headers.get("content-type", "")
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if "application/json" in content_type:
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return None
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else:
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return response.text.strip()
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for line in response.text.split('\n'):
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line = line.strip()
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if line and ' ' in line:
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prefix, vendor = line.split(' ', 1)
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if prefix.upper() == mac_prefix:
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return vendor
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except Exception:
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pass
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return None
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def normalize_mac_for_api(mac_address: str) -> str:
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"""Normalize MAC address for external API (XX-XX-XX format)"""
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clean_mac = re.sub(r'[^a-fA-F0-9]', '', mac_address.upper())
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if len(clean_mac) >= 6:
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return f"{clean_mac[0:2]}-{clean_mac[2:4]}-{clean_mac[4:6]}"
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else:
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raise ValueError("Invalid MAC address format")
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async def lookup_remote_api(normalized_mac: str) -> str:
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mac_for_api = normalized_mac
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if len(mac_for_api.replace('-', '')) == 6:
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mac_for_api = mac_for_api + '-00-00-00'
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def normalize_mac_response(mac_address: str) -> str:
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"""Normalize MAC address for response format"""
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clean_mac = re.sub(r'[^a-fA-F0-9]', '', mac_address.upper())
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url = f"https://api.macvendors.com/{mac_for_api}"
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if len(clean_mac) == 6:
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return f"{clean_mac[0:2]}-{clean_mac[2:4]}-{clean_mac[4:6]}"
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elif len(clean_mac) == 12:
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return f"{clean_mac[0:2]}-{clean_mac[2:4]}-{clean_mac[4:6]}-{clean_mac[6:8]}-{clean_mac[8:10]}-{clean_mac[10:12]}"
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else:
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raise ValueError("Invalid MAC address format")
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try:
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async with httpx.AsyncClient() as client:
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response = await client.get(url, timeout=5.0)
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if response.status_code == 200:
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return response.text.strip()
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except Exception:
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pass
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def get_oui(mac_address: str) -> str:
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"""Extract OUI (first 6 hex digits) from MAC address"""
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clean_mac = re.sub(r'[^a-fA-F0-9]', '', mac_address.upper())
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if len(clean_mac) >= 6:
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return clean_mac[:6]
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else:
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raise ValueError("MAC address too short")
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@app.get("/")
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async def root():
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return {"message": "MAC Address Vendor Lookup API"}
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return None
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@app.get("/lookup/{mac_address}")
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async def lookup_vendor(mac_address: str):
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try:
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oui = get_oui(mac_address)
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formatted_mac = normalize_mac_response(mac_address)
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vendor = None
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async def lookup_mac_vendor(mac_address: str):
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if not is_valid_mac(mac_address):
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return JSONResponse(
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status_code=400,
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content={
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"mac_address": mac_address,
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"vendor": None,
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"detail": "Invalid MAC address format"
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}
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)
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# 1. Try local file first
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if oui in local_mac_vendors:
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vendor = local_mac_vendors[oui]
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normalized_mac = normalize_mac(mac_address)
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mac_prefix = get_mac_prefix(mac_address)
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# 2. Try GitHub gist if not found locally
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if not vendor:
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vendor = await lookup_from_github(oui)
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vendor = lookup_local_file(mac_prefix)
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# 3. Try macvendors.com API if still not found
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if not vendor:
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vendor = await lookup_from_macvendors_api(mac_address)
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if not vendor:
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vendor = await lookup_remote_gist(mac_prefix)
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# Default to Unknown if nothing found
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if not vendor:
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vendor = "Unknown"
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if not vendor:
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vendor = await lookup_remote_api(normalized_mac)
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if vendor:
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return {
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"mac_address": formatted_mac,
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"vendor": vendor
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"mac_address": normalized_mac,
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"vendor": vendor,
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"detail": None
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}
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except ValueError as e:
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raise HTTPException(status_code=400, detail=str(e))
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except Exception as e:
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raise HTTPException(status_code=500, detail="Internal server error")
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else:
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return JSONResponse(
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status_code=404,
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content={
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"mac_address": normalized_mac,
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"vendor": None,
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"detail": "Vendor not found"
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}
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)
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if __name__ == "__main__":
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import uvicorn
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