fleet-memory/hindsight-api/hindsight_api/extensions/tenant.py
2025-12-22 11:05:23 +01:00

63 lines
1.9 KiB
Python

"""Tenant Extension for multi-tenancy and API key authentication."""
from abc import ABC, abstractmethod
from dataclasses import dataclass
from hindsight_api.extensions.base import Extension
from hindsight_api.models import RequestContext
class AuthenticationError(Exception):
"""Raised when authentication fails."""
def __init__(self, reason: str):
self.reason = reason
super().__init__(f"Authentication failed: {reason}")
@dataclass
class TenantContext:
"""
Tenant context returned by authentication.
Contains the PostgreSQL schema name for tenant isolation.
All database queries will use fully-qualified table names
with this schema (e.g., schema_name.memory_units).
"""
schema_name: str
class TenantExtension(Extension, ABC):
"""
Extension for multi-tenancy and API key authentication.
This extension validates incoming requests and returns the tenant context
including the PostgreSQL schema to use for database operations.
Built-in implementation:
hindsight_api.extensions.builtin.tenant.ApiKeyTenantExtension
Enable via environment variable:
HINDSIGHT_API_TENANT_EXTENSION=hindsight_api.extensions.builtin.tenant:ApiKeyTenantExtension
HINDSIGHT_API_TENANT_API_KEY=your-secret-key
The returned schema_name is used for fully-qualified table names in queries,
enabling tenant isolation at the database level.
"""
@abstractmethod
async def authenticate(self, context: RequestContext) -> TenantContext:
"""
Authenticate the action context and return tenant context.
Args:
context: The action context containing API key and other auth data.
Returns:
TenantContext with the schema_name for database operations.
Raises:
AuthenticationError: If authentication fails.
"""
...