Commit
·
8a21bc0
0
Parent(s):
Add initial implementation of Private Domain Checker with Docker support
Browse files- Create Dockerfile for containerization
- Add Flask application for domain availability checking
- Implement domain checking logic using DNS, RDAP, and WHOIS
- Add HTML frontend for user interaction
- Include requirements.txt for dependencies
- Add .gitignore to exclude Python cache files
- Create README.md for project documentation
- .gitignore +1 -0
- Dockerfile +16 -0
- README.md +9 -0
- app.py +125 -0
- index.html +73 -0
- requirements.txt +2 -0
.gitignore
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__pycache__/app.cpython-310.pyc
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Dockerfile
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# read the doc: https://huggingface.co/docs/hub/spaces-sdks-docker
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# you will also find guides on how best to write your Dockerfile
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FROM python:3.9
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RUN useradd -m -u 1000 user
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WORKDIR /app
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COPY --chown=user ./requirements.txt requirements.txt
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RUN pip install --no-cache-dir --upgrade -r requirements.txt
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COPY --chown=user . /app
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CMD ["gunicorn", "-b", "0.0.0.0:7860", "app:app"]
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README.md
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---
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title: Private Domain Checker | ToKnow.ai
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emoji: 🏢
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colorFrom: blue
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colorTo: gray
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sdk: docker
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pinned: false
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license: gpl-3.0
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---
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app.py
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from flask import Flask, request, send_from_directory
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import dns.resolver
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import socket
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import requests
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from urllib.parse import urlparse
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import dns.resolver
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import socket
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app = Flask(__name__)
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@app.route('/')
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def index():
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"""Route handler for the home page"""
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try:
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return send_from_directory('.', 'index.html')
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except Exception as e:
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return str(e)
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@app.route('/check', methods=['POST'])
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def check_domain():
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"""Check domain availability"""
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try:
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domain = request.json.get('domain', '').strip().lower().strip('/')
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if '://' in domain:
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domain = urlparse(domain).netloc
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result = check_domain_availability(domain) or {}
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return {
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"domain": domain,
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"available": result.get("available"),
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"method": result.get("method", None),
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"error": result.get("error", None)
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}
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except Exception as e:
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return { "domain": domain, "error": str(e) }
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def check_domain_availability(domain):
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"""Check domain availability using multiple methods."""
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# First try DNS resolution
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dns_exists, record_type = check_dns_records(domain)
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if dns_exists:
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return { "available": False, "method": f"DNS:{record_type}" }
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# Try RDAP
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rdap_status_code, rdap_base_url = check_rdap_records(domain)
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if rdap_status_code == 404:
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return { "available": True, "method": f"RDAP:{rdap_base_url}" }
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elif rdap_status_code == 200:
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return { "available": False, "method": f"RDAP:{rdap_base_url}" }
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# Fall back to WHOIS
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whois_server = get_whois_server(domain)
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if whois_server and no_whois_records(domain, whois_server):
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return {"available": True, "method": f"WHOIS:{whois_server}"}
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def get_whois_server(domain):
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"""Get WHOIS server from IANA root zone database."""
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try:
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response = requests.get(f'https://www.iana.org/whois?q={domain}')
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if 'whois:' in response.text.lower():
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for line in response.text.split('\n'):
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if 'whois:' in line.lower():
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return line.split(':')[1].strip()
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except:
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pass
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return None
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def check_dns_records(domain):
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"""Check if domain exists in DNS by looking for common record types."""
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# Check NS records first as they're required for valid domains
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for record_type in ['NS', 'A', 'AAAA', 'MX', 'CNAME']:
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try:
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dns.resolver.resolve(domain, record_type)
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return True, record_type
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except:
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continue
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return False, None
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def check_rdap_records(domain):
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try:
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bootstrap_url = "https://data.iana.org/rdap/dns.json"
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bootstrap_data = requests.get(bootstrap_url, timeout=5).json()
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tld = domain.split('.')[-1]
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rdap_base_url = None
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for service in bootstrap_data['services']:
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if tld in service[0]:
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rdap_base_url = service[1][0].strip('/')
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break
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if rdap_base_url:
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rdap_url = f"{rdap_base_url}/domain/{domain}"
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response = requests.get(rdap_url, timeout=5)
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return response.status_code, rdap_base_url
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except:
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pass
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return None, None
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def no_whois_records(domain, whois_server) -> bool:
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try:
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sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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sock.settimeout(5)
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sock.connect((whois_server, 43))
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sock.send(f"{domain}\r\n".encode())
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response = sock.recv(4096).decode(errors='ignore')
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sock.close()
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available_patterns = [
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'no match',
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'not found',
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'no entries found',
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'no data found',
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'not registered',
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'available',
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'status: free',
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'domain not found'
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]
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response_lower = response.lower()
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for pattern in available_patterns:
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if pattern in response_lower:
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return True
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except:
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pass
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return False
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index.html
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<!DOCTYPE html>
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<html>
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<head>
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<title>Private Domain Checker | ToKnow.ai</title>
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet">
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</head>
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<body class="bg-light">
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<div class="container mt-5">
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<div class="row justify-content-center">
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<div class="col-md-6">
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<div class="card">
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<div class="card-body">
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<h3 class="text-center mb-4">Private Domain Checker - ToKnow.ai</h3>
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<form id="searchForm" class="mb-3">
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<div class="input-group">
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<input type="text" id="domain" class="form-control" placeholder="Enter domain name...">
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<button class="btn btn-primary" type="submit">Check</button>
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</div>
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</form>
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<div id="result" class="text-center d-none">
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<div class="spinner-border text-primary d-none" id="spinner"></div>
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<div id="resultText"></div>
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</div>
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</div>
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</div>
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</div>
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</div>
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</div>
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<script>
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document.getElementById('searchForm').onsubmit = async (e) => {
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e.preventDefault();
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const domain = document.getElementById('domain').value;
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const result = document.getElementById('result');
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const spinner = document.getElementById('spinner');
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const resultText = document.getElementById('resultText');
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result.classList.remove('d-none');
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spinner.classList.remove('d-none');
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resultText.innerHTML = '';
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try {
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const response = await fetch('/check', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ domain })
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});
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const data = await response.json();
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resultText.innerHTML = `
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<div class="alert ${data.available ? 'alert-success' : 'alert-danger'} mt-3">
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<strong>${domain}</strong> is ${data.available ? 'available' : 'not available'}
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${data.method ? `<br>(checked via ${data.method})` : ''}
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${data.error ? `<br>(error: ${data.error})` : ''}
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</div>
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`;
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} catch (err) {
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resultText.innerHTML = `
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<div class="alert alert-warning mt-3">
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Error checking domain
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</div>
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`;
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}
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spinner.classList.add('d-none');
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};
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</script>
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</body>
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</html>
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requirements.txt
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flask==3.0.3
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dnspython==2.7.0
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