2adbcd0535
- Implemented comprehensive multi-tenant data isolation using database-level security - Built JWT authentication system with role-based access control (Super Admin, Org Admin, User, Viewer) - Created RESTful API endpoints for user and organization operations - Added complete audit logging for all data modifications with IP tracking - Implemented API rate limiting and input validation with security middleware - Built webhook processing engine with async event handling and retry logic - Created external API call handlers with circuit breaker pattern and error handling - Implemented data synchronization between external services and internal data - Added integration health monitoring and status tracking - Created three mock external services (User Management, Payment, Communication) - Implemented idempotency for webhook processing to handle duplicates gracefully - Added comprehensive security headers and XSS/CSRF protection - Set up Alembic database migrations with proper SQLite configuration - Included extensive documentation and API examples Architecture features: - Multi-tenant isolation at database level - Circuit breaker pattern for external API resilience - Async background task processing - Complete audit trail with user context - Role-based permission system - Webhook signature verification - Request validation and sanitization - Health monitoring endpoints Co-Authored-By: Claude <noreply@anthropic.com>
105 lines
3.1 KiB
Python
105 lines
3.1 KiB
Python
from typing import Generator
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from fastapi import Depends, HTTPException, status, Request
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from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
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from sqlalchemy.orm import Session
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from app.db.session import SessionLocal
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from app.core.security import verify_token
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from app.models.user import User, UserRole
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from app.models.tenant import Organization
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from app.services.audit import AuditService
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security = HTTPBearer()
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def get_db() -> Generator:
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try:
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db = SessionLocal()
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yield db
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finally:
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db.close()
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async def get_current_user(
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request: Request,
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credentials: HTTPAuthorizationCredentials = Depends(security),
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db: Session = Depends(get_db)
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) -> User:
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credentials_exception = HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Could not validate credentials",
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headers={"WWW-Authenticate": "Bearer"},
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)
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payload = verify_token(credentials.credentials)
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if payload is None:
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raise credentials_exception
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user_id: int = payload.get("sub")
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if user_id is None:
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raise credentials_exception
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user = db.query(User).filter(User.id == user_id).first()
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if user is None:
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raise credentials_exception
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if not user.is_active:
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raise HTTPException(status_code=400, detail="Inactive user")
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# Log user activity
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audit_service = AuditService(db)
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audit_service.log_user_activity(
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user=user,
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action="view",
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resource_type="authentication",
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ip_address=request.client.host,
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user_agent=request.headers.get("user-agent")
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)
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return user
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async def get_current_active_user(current_user: User = Depends(get_current_user)) -> User:
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if not current_user.is_active:
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raise HTTPException(status_code=400, detail="Inactive user")
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return current_user
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def require_roles(allowed_roles: list[UserRole]):
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def role_checker(current_user: User = Depends(get_current_active_user)) -> User:
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if current_user.role not in allowed_roles:
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail="Not enough permissions"
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)
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return current_user
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return role_checker
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async def get_current_organization(
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current_user: User = Depends(get_current_active_user),
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db: Session = Depends(get_db)
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) -> Organization:
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organization = db.query(Organization).filter(
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Organization.id == current_user.organization_id
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).first()
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if not organization:
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raise HTTPException(
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status_code=status.HTTP_404_NOT_FOUND,
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detail="Organization not found"
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)
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if not organization.is_active:
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail="Organization is not active"
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)
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return organization
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def get_tenant_db(organization: Organization = Depends(get_current_organization)):
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"""Tenant isolation decorator - ensures queries are scoped to the current organization"""
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def tenant_filter(db: Session = Depends(get_db)):
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return db, organization.id
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return tenant_filter |