119 lines
3.6 KiB
Python
119 lines
3.6 KiB
Python
"""
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Configuration management for DNSRecon tool.
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Handles API key storage, rate limiting, and default settings.
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"""
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import os
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from typing import Dict, Optional
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class Config:
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"""Configuration manager for DNSRecon application."""
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def __init__(self):
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"""Initialize configuration with default values."""
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self.api_keys: Dict[str, Optional[str]] = {
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'shodan': None,
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'virustotal': None
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}
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# Default settings
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self.default_recursion_depth = 2
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self.default_timeout = 30
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self.max_concurrent_requests = 5
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# Rate limiting settings (requests per minute)
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self.rate_limits = {
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'crtsh': 60, # Free service, be respectful
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'virustotal': 4, # Free tier limit
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'shodan': 60, # API dependent
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'dns': 100 # Local DNS queries
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}
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# Provider settings
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self.enabled_providers = {
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'crtsh': True, # Always enabled (free)
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'dns': True, # Always enabled (free)
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'virustotal': False, # Requires API key
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'shodan': False # Requires API key
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}
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# Logging configuration
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self.log_level = 'INFO'
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self.log_format = '%(asctime)s - %(name)s - %(levelname)s - %(message)s'
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# Flask configuration
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self.flask_host = '127.0.0.1'
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self.flask_port = 5000
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self.flask_debug = True
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def set_api_key(self, provider: str, api_key: str) -> bool:
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"""
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Set API key for a provider.
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Args:
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provider: Provider name (shodan, virustotal)
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api_key: API key string
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Returns:
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bool: True if key was set successfully
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"""
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if provider in self.api_keys:
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self.api_keys[provider] = api_key
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self.enabled_providers[provider] = True if api_key else False
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return True
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return False
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def get_api_key(self, provider: str) -> Optional[str]:
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"""
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Get API key for a provider.
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Args:
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provider: Provider name
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Returns:
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API key or None if not set
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"""
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return self.api_keys.get(provider)
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def is_provider_enabled(self, provider: str) -> bool:
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"""
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Check if a provider is enabled.
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Args:
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provider: Provider name
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Returns:
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bool: True if provider is enabled
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"""
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return self.enabled_providers.get(provider, False)
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def get_rate_limit(self, provider: str) -> int:
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"""
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Get rate limit for a provider.
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Args:
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provider: Provider name
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Returns:
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Rate limit in requests per minute
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"""
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return self.rate_limits.get(provider, 60)
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def load_from_env(self):
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"""Load configuration from environment variables."""
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if os.getenv('VIRUSTOTAL_API_KEY'):
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self.set_api_key('virustotal', os.getenv('VIRUSTOTAL_API_KEY'))
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if os.getenv('SHODAN_API_KEY'):
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self.set_api_key('shodan', os.getenv('SHODAN_API_KEY'))
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# Override default settings from environment
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self.default_recursion_depth = int(os.getenv('DEFAULT_RECURSION_DEPTH', '2'))
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self.flask_debug = os.getenv('FLASK_DEBUG', 'True').lower() == 'true'
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self.default_timeout = 30
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self.max_concurrent_requests = 5
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# Global configuration instance
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config = Config() |