uploader-bot/app/core/config.py

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"""
Application configuration with security improvements and validation
"""
import os
import secrets
from datetime import datetime
from typing import List, Optional, Dict, Any
from pathlib import Path
from pydantic import validator, Field
from pydantic_settings import BaseSettings
from pydantic.networks import AnyHttpUrl, PostgresDsn, RedisDsn
import structlog
logger = structlog.get_logger(__name__)
class Settings(BaseSettings):
"""Application settings with validation"""
# Application
PROJECT_NAME: str = "My Uploader Bot"
PROJECT_VERSION: str = "2.0.0"
PROJECT_HOST: AnyHttpUrl = Field(default="http://127.0.0.1:15100")
SANIC_PORT: int = Field(default=15100, ge=1000, le=65535)
DEBUG: bool = Field(default=False)
# Security
SECRET_KEY: str = Field(default_factory=lambda: secrets.token_urlsafe(32))
JWT_SECRET_KEY: str = Field(default_factory=lambda: secrets.token_urlsafe(32))
JWT_EXPIRE_MINUTES: int = Field(default=60 * 24 * 7) # 7 days
ENCRYPTION_KEY: Optional[str] = None
# Rate Limiting
RATE_LIMIT_REQUESTS: int = Field(default=100)
RATE_LIMIT_WINDOW: int = Field(default=60) # seconds
RATE_LIMIT_ENABLED: bool = Field(default=True)
# Database
DATABASE_URL: str = Field(
default="postgresql+asyncpg://user:password@localhost:5432/uploader_bot"
)
DATABASE_POOL_SIZE: int = Field(default=10, ge=1, le=100)
DATABASE_MAX_OVERFLOW: int = Field(default=20, ge=0, le=100)
DATABASE_ECHO: bool = Field(default=False)
# Redis
REDIS_URL: RedisDsn = Field(default="redis://localhost:6379/0")
REDIS_POOL_SIZE: int = Field(default=10, ge=1, le=100)
REDIS_TTL_DEFAULT: int = Field(default=3600) # 1 hour
REDIS_TTL_SHORT: int = Field(default=300) # 5 minutes
REDIS_TTL_LONG: int = Field(default=86400) # 24 hours
# File Storage
UPLOADS_DIR: Path = Field(default=Path("/app/data"))
MAX_FILE_SIZE: int = Field(default=100 * 1024 * 1024) # 100MB
ALLOWED_CONTENT_TYPES: List[str] = Field(default=[
'image/jpeg', 'image/png', 'image/gif', 'image/webp',
'video/mp4', 'video/webm', 'video/ogg', 'video/quicktime',
'audio/mpeg', 'audio/ogg', 'audio/wav', 'audio/mp4',
'text/plain', 'application/json'
])
# Telegram
TELEGRAM_API_KEY: str = Field(default="1234567890:ABCDEFGHIJKLMNOPQRSTUVWXYZ123456789")
CLIENT_TELEGRAM_API_KEY: str = Field(default="1234567890:ABCDEFGHIJKLMNOPQRSTUVWXYZ123456789")
TELEGRAM_WEBHOOK_ENABLED: bool = Field(default=False)
TELEGRAM_WEBHOOK_URL: Optional[str] = None
TELEGRAM_WEBHOOK_SECRET: str = Field(default_factory=lambda: secrets.token_urlsafe(32))
# TON Blockchain
TESTNET: bool = Field(default=False)
TONCENTER_HOST: AnyHttpUrl = Field(default="https://toncenter.com/api/v2/")
TONCENTER_API_KEY: Optional[str] = None
TONCENTER_V3_HOST: AnyHttpUrl = Field(default="https://toncenter.com/api/v3/")
MY_PLATFORM_CONTRACT: str = Field(default="EQDmWp6hbJlYUrXZKb9N88sOrTit630ZuRijfYdXEHLtheMY")
MY_FUND_ADDRESS: str = Field(default="UQDarChHFMOI2On9IdHJNeEKttqepgo0AY4bG1trw8OAAwMY")
# Logging
LOG_LEVEL: str = Field(default="INFO", pattern="^(DEBUG|INFO|WARNING|ERROR|CRITICAL)$")
LOG_DIR: Path = Field(default=Path("logs"))
LOG_FORMAT: str = Field(default="json")
LOG_ROTATION: str = Field(default="1 day")
LOG_RETENTION: str = Field(default="30 days")
# Monitoring
METRICS_ENABLED: bool = Field(default=True)
METRICS_PORT: int = Field(default=9090, ge=1000, le=65535)
HEALTH_CHECK_ENABLED: bool = Field(default=True)
# Background Services
INDEXER_ENABLED: bool = Field(default=True)
INDEXER_INTERVAL: int = Field(default=5, ge=1, le=3600)
TON_DAEMON_ENABLED: bool = Field(default=True)
TON_DAEMON_INTERVAL: int = Field(default=3, ge=1, le=3600)
LICENSE_SERVICE_ENABLED: bool = Field(default=True)
LICENSE_SERVICE_INTERVAL: int = Field(default=10, ge=1, le=3600)
CONVERT_SERVICE_ENABLED: bool = Field(default=True)
CONVERT_SERVICE_INTERVAL: int = Field(default=30, ge=1, le=3600)
# Web App URLs
WEB_APP_URLS: Dict[str, str] = Field(default={
'uploadContent': "https://web2-client.vercel.app/uploadContent"
})
# Maintenance
MAINTENANCE_MODE: bool = Field(default=False)
MAINTENANCE_MESSAGE: str = Field(default="System is under maintenance")
# Development
MOCK_EXTERNAL_SERVICES: bool = Field(default=False)
DISABLE_WEBHOOKS: bool = Field(default=False)
@validator('UPLOADS_DIR')
def create_uploads_dir(cls, v):
"""Create uploads directory if it doesn't exist and is writable"""
try:
if not v.exists():
v.mkdir(parents=True, exist_ok=True)
except (OSError, PermissionError) as e:
# Handle read-only filesystem or permission errors
logger.warning(f"Cannot create uploads directory {v}: {e}")
# Use current directory as fallback
fallback = Path("./data")
try:
fallback.mkdir(parents=True, exist_ok=True)
return fallback
except Exception:
# Last fallback - current directory
return Path(".")
return v
@validator('LOG_DIR')
def create_log_dir(cls, v):
"""Create log directory if it doesn't exist and is writable"""
try:
if not v.exists():
v.mkdir(parents=True, exist_ok=True)
except (OSError, PermissionError) as e:
# Handle read-only filesystem or permission errors
logger.warning(f"Cannot create log directory {v}: {e}")
# Use current directory as fallback
fallback = Path("./logs")
try:
fallback.mkdir(parents=True, exist_ok=True)
return fallback
except Exception:
# Last fallback - current directory
return Path(".")
return v
@validator('DATABASE_URL')
def validate_database_url(cls, v):
"""Validate database URL format - allow SQLite for testing"""
v_str = str(v)
if not (v_str.startswith('postgresql+asyncpg://') or v_str.startswith('sqlite+aiosqlite://')):
logger.warning(f"Using non-standard database URL: {v_str}")
return v
@validator('TELEGRAM_API_KEY', 'CLIENT_TELEGRAM_API_KEY')
def validate_telegram_keys(cls, v):
"""Validate Telegram bot tokens format - allow test tokens"""
if v.startswith('1234567890:'):
# Allow test tokens for development
return v
parts = v.split(':')
if len(parts) != 2 or not parts[0].isdigit() or len(parts[1]) != 35:
raise ValueError('Invalid Telegram bot token format')
return v
@validator('SECRET_KEY', 'JWT_SECRET_KEY')
def validate_secret_keys(cls, v):
"""Validate secret keys length"""
if len(v) < 32:
raise ValueError('Secret keys must be at least 32 characters long')
return v
model_config = {
"env_file": ".env",
"case_sensitive": True,
"validate_assignment": True,
"extra": "allow" # Allow extra fields from environment
}
class SecurityConfig:
"""Security-related configurations"""
# CORS settings
CORS_ORIGINS = [
"https://web2-client.vercel.app",
"https://t.me",
"https://web.telegram.org"
]
# Content Security Policy
CSP_DIRECTIVES = {
'default-src': ["'self'"],
'script-src': ["'self'", "'unsafe-inline'", "https://cdn.jsdelivr.net"],
'style-src': ["'self'", "'unsafe-inline'", "https://cdn.jsdelivr.net"],
'img-src': ["'self'", "data:", "https:"],
'connect-src': ["'self'", "https://api.telegram.org"],
'frame-ancestors': ["'none'"],
'form-action': ["'self'"],
'base-uri': ["'self'"]
}
# Request size limits
MAX_REQUEST_SIZE = 100 * 1024 * 1024 # 100MB
MAX_JSON_SIZE = 10 * 1024 * 1024 # 10MB
# Session settings
SESSION_COOKIE_SECURE = True
SESSION_COOKIE_HTTPONLY = True
SESSION_COOKIE_SAMESITE = "Strict"
# Rate limiting patterns
RATE_LIMIT_PATTERNS = {
"auth": {"requests": 5, "window": 300}, # 5 requests per 5 minutes
"upload": {"requests": 10, "window": 3600}, # 10 uploads per hour
"api": {"requests": 100, "window": 60}, # 100 API calls per minute
"heavy": {"requests": 1, "window": 60} # 1 heavy operation per minute
}
# Create settings instance
settings = Settings()
# Expose commonly used settings
DATABASE_URL = str(settings.DATABASE_URL)
REDIS_URL = str(settings.REDIS_URL)
DATABASE_POOL_SIZE = settings.DATABASE_POOL_SIZE
DATABASE_MAX_OVERFLOW = settings.DATABASE_MAX_OVERFLOW
REDIS_POOL_SIZE = settings.REDIS_POOL_SIZE
TELEGRAM_API_KEY = settings.TELEGRAM_API_KEY
CLIENT_TELEGRAM_API_KEY = settings.CLIENT_TELEGRAM_API_KEY
PROJECT_HOST = str(settings.PROJECT_HOST)
SANIC_PORT = settings.SANIC_PORT
UPLOADS_DIR = settings.UPLOADS_DIR
ALLOWED_CONTENT_TYPES = settings.ALLOWED_CONTENT_TYPES
TESTNET = settings.TESTNET
TONCENTER_HOST = str(settings.TONCENTER_HOST)
TONCENTER_API_KEY = settings.TONCENTER_API_KEY
TONCENTER_V3_HOST = str(settings.TONCENTER_V3_HOST)
MY_PLATFORM_CONTRACT = settings.MY_PLATFORM_CONTRACT
MY_FUND_ADDRESS = settings.MY_FUND_ADDRESS
LOG_LEVEL = settings.LOG_LEVEL
LOG_DIR = settings.LOG_DIR
MAINTENANCE_MODE = settings.MAINTENANCE_MODE
# Cache keys patterns
CACHE_KEYS = {
"user_session": "user:session:{user_id}",
"user_data": "user:data:{user_id}",
"content_metadata": "content:meta:{content_id}",
"rate_limit": "rate_limit:{pattern}:{identifier}",
"blockchain_task": "blockchain:task:{task_id}",
"temp_upload": "upload:temp:{upload_id}",
"wallet_connection": "wallet:conn:{wallet_address}",
"ton_price": "ton:price:usd",
"system_status": "system:status:{service}",
}
# Log current configuration (without secrets)
def log_config():
"""Log current configuration without sensitive data"""
safe_config = {
"project_name": settings.PROJECT_NAME,
"project_version": settings.PROJECT_VERSION,
"debug": settings.DEBUG,
"sanic_port": settings.SANIC_PORT,
"testnet": settings.TESTNET,
"maintenance_mode": settings.MAINTENANCE_MODE,
"metrics_enabled": settings.METRICS_ENABLED,
"uploads_dir": str(settings.UPLOADS_DIR),
"log_level": settings.LOG_LEVEL,
}
logger.info("Configuration loaded", **safe_config)
# Initialize logging configuration
log_config()
# Функция для получения настроек (для совместимости с остальным кодом)
def get_settings() -> Settings:
"""
Получить экземпляр настроек приложения.
Returns:
Settings: Конфигурация приложения
"""
return settings