feat(auth): implement API key authentication and management

Introduce a new API key authentication mechanism to support service-to-service
communication (e.g., Airflow, CI/CD) without browser-based JWT login.

- Add `APIKey` model and `APIKeyPrincipal` dependency for RBAC.
- Implement `require_api_key_or_jwt` dependency with environment scoping.
- Add admin CRUD endpoints for API key lifecycle management.
- Add API key management UI in System Settings.
- Update maintenance API to support explicit `environment_id` and API key auth.
- Add i18n support for API keys and connection settings.
- Include Python and Bash usage examples in the `examples/` directory.
- Update technical specifications and documentation.
This commit is contained in:
2026-05-25 11:35:27 +03:00
parent 31680a1bc9
commit 320f82ab95
39 changed files with 3359 additions and 707 deletions

View File

@@ -18,6 +18,7 @@
# @DATA_CONTRACT: Package -> RouterModule mapping
__all__ = [
"admin",
"admin_api_keys",
"assistant",
"clean_release",
"clean_release_v2",

View File

@@ -0,0 +1,185 @@
# #region AdminApiKeyRoutes [C:3] [TYPE Module] [SEMANTICS fastapi, admin, api_key, crud]
# @BRIEF Admin API endpoints for API key management — list, generate (one-time reveal), and revoke.
# @LAYER API
# @RELATION DEPENDS_ON -> [APIKeyModel]
# @RELATION DEPENDS_ON -> [APIKeyUtilities]
# @RELATION DEPENDS_ON -> [has_permission("admin:settings", "WRITE")]
# @INVARIANT GET /api/admin/api-keys NEVER returns key_hash or raw_key.
# @INVARIANT POST /api/admin/api-keys returns raw_key ONCE — never stored, never retrievable again.
# @INVARIANT DELETE /api/admin/api-keys/{id} soft-deletes (active=False), preserves row for audit.
from datetime import datetime
from fastapi import APIRouter, Depends, HTTPException, status
from pydantic import BaseModel, Field
from sqlalchemy.orm import Session
from ...core.auth.api_key import generate_api_key
from ...core.database import get_db
from ...dependencies import has_permission
from ...models.api_key import APIKey
# #region router [TYPE Variable]
# @BRIEF APIRouter for admin API key management routes.
router = APIRouter(prefix="/api/admin/api-keys", tags=["admin", "api-keys"])
# #endregion router
# ── Pydantic schemas ──────────────────────────────────────────
# #region ApiKeyCreateRequest [C:1] [TYPE Class]
class ApiKeyCreateRequest(BaseModel):
name: str = Field(..., min_length=1, max_length=255)
environment_id: str | None = None
permissions: list[str] = Field(..., min_length=1)
expires_at: datetime | None = None
# #endregion ApiKeyCreateRequest
# #region ApiKeyCreateResponse [C:1] [TYPE Class]
class ApiKeyCreateResponse(BaseModel):
id: str
raw_key: str
prefix: str
name: str
environment_id: str | None
permissions: list[str]
active: bool
created_at: datetime
expires_at: datetime | None
# #endregion ApiKeyCreateResponse
# #region ApiKeyListItem [C:1] [TYPE Class]
class ApiKeyListItem(BaseModel):
id: str
name: str
prefix: str
environment_id: str | None
permissions: list[str]
active: bool
created_at: datetime
expires_at: datetime | None
last_used_at: datetime | None
model_config = {"from_attributes": True}
# #endregion ApiKeyListItem
# #region ApiKeyRevokeResponse [C:1] [TYPE Class]
class ApiKeyRevokeResponse(BaseModel):
id: str
status: str
# #endregion ApiKeyRevokeResponse
# ── Routes ────────────────────────────────────────────────────
# #region list_api_keys [C:2] [TYPE Function]
# @BRIEF List all API keys — NEVER returns key_hash or raw_key.
# @PRE Requires admin:settings WRITE permission.
# @POST Returns list of ApiKeyListItem without sensitive fields.
@router.get("/", response_model=list[ApiKeyListItem])
async def list_api_keys(
db: Session = Depends(get_db),
_=Depends(has_permission("admin:settings", "WRITE")),
):
keys = db.query(APIKey).order_by(APIKey.created_at.desc()).all()
return [
ApiKeyListItem(
id=k.id,
name=k.name,
prefix=k.prefix,
environment_id=k.environment_id,
permissions=list(k.permissions or []),
active=k.active,
created_at=k.created_at,
expires_at=k.expires_at,
last_used_at=k.last_used_at,
)
for k in keys
]
# #endregion list_api_keys
# #region create_api_key [C:3] [TYPE Function]
# @BRIEF Generate a new API key — returns raw key ONCE, never stored or retrievable again.
# @PRE Requires admin:settings WRITE permission. name is required, at least one permission.
# @POST Creates APIKey row with SHA-256 hash. Returns raw key in response.
# @SIDE_EFFECT Generates cryptographically random key, stores hash in DB.
# @RELATION DEPENDS_ON -> [generate_api_key]
@router.post("/", response_model=ApiKeyCreateResponse, status_code=status.HTTP_201_CREATED)
async def create_api_key(
request: ApiKeyCreateRequest,
db: Session = Depends(get_db),
_=Depends(has_permission("admin:settings", "WRITE")),
):
# Validate
if not request.name.strip():
raise HTTPException(status_code=400, detail="Name is required")
if not request.permissions:
raise HTTPException(status_code=400, detail="At least one permission is required")
# Generate key
raw_key, prefix, key_hash = generate_api_key()
# Store hash only
api_key = APIKey(
key_hash=key_hash,
prefix=prefix,
name=request.name.strip(),
environment_id=request.environment_id,
permissions=request.permissions,
active=True,
expires_at=request.expires_at,
)
db.add(api_key)
db.commit()
db.refresh(api_key)
return ApiKeyCreateResponse(
id=api_key.id,
raw_key=raw_key,
prefix=api_key.prefix,
name=api_key.name,
environment_id=api_key.environment_id,
permissions=list(api_key.permissions or []),
active=api_key.active,
created_at=api_key.created_at,
expires_at=api_key.expires_at,
)
# #endregion create_api_key
# #region revoke_api_key [C:2] [TYPE Function]
# @BRIEF Revoke an API key by setting active=False. Preserves row for audit.
# @PRE Requires admin:settings WRITE permission.
# @POST Sets active=False on the key. Returns 404 if already revoked or not found.
@router.delete("/{key_id}", response_model=ApiKeyRevokeResponse)
async def revoke_api_key(
key_id: str,
db: Session = Depends(get_db),
_=Depends(has_permission("admin:settings", "WRITE")),
):
api_key = db.query(APIKey).filter(APIKey.id == key_id).first()
if not api_key:
raise HTTPException(
status_code=status.HTTP_404_NOT_FOUND,
detail="API key not found",
)
if not api_key.active:
raise HTTPException(
status_code=status.HTTP_404_NOT_FOUND,
detail="API key is already revoked",
)
api_key.active = False
db.commit()
return ApiKeyRevokeResponse(
id=api_key.id,
status="revoked",
)
# #endregion revoke_api_key
# #endregion AdminApiKeyRoutes

View File

@@ -11,14 +11,21 @@
from datetime import datetime, timezone
from typing import Any, cast
from fastapi import APIRouter, Depends, HTTPException, status
from fastapi import APIRouter, Depends, HTTPException, Request, status
from sqlalchemy.orm import Session
from ....core.logger import belief_scope, logger as app_logger
from ....core.task_manager import TaskManager
app_logger = cast(Any, app_logger)
from ....dependencies import get_current_user, get_db, get_task_manager, has_permission
from ....dependencies import (
check_api_key_environment_scope,
get_db,
get_task_manager,
has_permission,
require_api_key_or_jwt,
)
from ....models.api_key import APIKey
from ....models.maintenance import (
MaintenanceDashboardBanner,
MaintenanceDashboardBannerStatus,
@@ -232,8 +239,7 @@ async def list_events(
async def start_maintenance(
request: MaintenanceStartRequest,
db: Session = Depends(get_db),
user=Depends(get_current_user),
_=Depends(has_permission("maintenance", "WRITE")),
_auth=Depends(require_api_key_or_jwt("maintenance:start", "maintenance", "WRITE")),
task_manager: TaskManager = Depends(get_task_manager),
):
with belief_scope("start_maintenance"):
@@ -313,11 +319,8 @@ async def start_maintenance(
status="already_active",
)
# ── Load settings for environment ──
settings = db.query(MaintenanceSettings).filter(
MaintenanceSettings.id == "default"
).first()
env_id = settings.target_environment_id if settings else ""
# ── Environment scoping ──
env_id = request.environment_id
# ── Create event ──
event = MaintenanceEvent(
@@ -338,7 +341,7 @@ async def start_maintenance(
"operation": "start",
"event_id": event.id,
"environment_id": env_id,
"user": getattr(user, "username", "system"),
"user": _auth.split(":", 1)[1] if ":" in _auth else _auth,
},
)
event.task_id = task.id
@@ -372,9 +375,9 @@ async def start_maintenance(
)
async def end_maintenance(
maintenance_id: str,
request: Request,
db: Session = Depends(get_db),
user=Depends(get_current_user),
_=Depends(has_permission("maintenance", "WRITE")),
_auth=Depends(require_api_key_or_jwt("maintenance:end", "maintenance", "WRITE")),
task_manager: TaskManager = Depends(get_task_manager),
):
with belief_scope("end_maintenance", f"maintenance_id={maintenance_id}"):
@@ -389,6 +392,10 @@ async def end_maintenance(
detail=f"Maintenance event {maintenance_id} not found",
)
# Validate API key environment scope against event's environment
if _auth.startswith("api_key:"):
await check_api_key_environment_scope(request, db, event.environment_id or "")
# If already completed, return idempotent success
if event.status == MaintenanceEventStatus.COMPLETED:
app_logger.reflect(
@@ -407,7 +414,7 @@ async def end_maintenance(
"operation": "end",
"event_id": maintenance_id,
"environment_id": event.environment_id,
"user": getattr(user, "username", "system"),
"user": _auth.split(":", 1)[1] if ":" in _auth else _auth,
},
)
@@ -429,7 +436,7 @@ async def end_maintenance(
# #region end_all_maintenance [C:3] [TYPE Function]
# @BRIEF End all active maintenance events. Removes all banners from all dashboards.
# Always returns 202 with task_id.
# Always returns 202 with task_id. Supports environment scoping for API keys.
# @RELATION DEPENDS_ON -> [has_permission("maintenance", "WRITE")]
@router.post(
"/end-all",
@@ -437,24 +444,47 @@ async def end_maintenance(
response_model=MaintenanceEndResponse,
)
async def end_all_maintenance(
request: Request,
db: Session = Depends(get_db),
user=Depends(get_current_user),
_=Depends(has_permission("maintenance", "WRITE")),
_auth=Depends(require_api_key_or_jwt("maintenance:end_all", "maintenance", "WRITE")),
task_manager: TaskManager = Depends(get_task_manager),
):
with belief_scope("end_all_maintenance"):
# ── Resolve environment scope ──
effective_env_id: str | None = None
try:
body = await request.json()
effective_env_id = body.get("environment_id")
except Exception:
pass
# ── Enforce API key environment scoping ──
if _auth.startswith("api_key:"):
# Auto-scope to the key's environment if not specified in body
if not effective_env_id:
raw_key = request.headers.get("X-API-Key")
if raw_key:
from ....core.auth.api_key import hash_api_key
key_hash = hash_api_key(raw_key)
key_row = db.query(APIKey).filter(APIKey.key_hash == key_hash).first()
if key_row and key_row.environment_id:
effective_env_id = key_row.environment_id
await check_api_key_environment_scope(request, db, effective_env_id or "")
# ── Dispatch TaskManager task ──
task = await task_manager.create_task(
plugin_id="maintenance_banner_apply",
params={
"operation": "end_all",
"user": getattr(user, "username", "system"),
"environment_id": effective_env_id or "",
"user": _auth.split(":", 1)[1] if ":" in _auth else _auth,
},
)
app_logger.reflect(
"End-all maintenance dispatched",
extra={"task_id": task.id},
extra={"task_id": task.id, "environment_id": effective_env_id},
)
return MaintenanceEndResponse(

View File

@@ -12,12 +12,13 @@ from pydantic import BaseModel, Field
# ── Request Schemas ──────────────────────────────────────────
# #region MaintenanceStartRequest [C:1] [TYPE Class]
# @BRIEF POST /api/maintenance/start request body.
# @BRIEF POST /api/maintenance/start request body with environment scoping.
class MaintenanceStartRequest(BaseModel):
tables: list[str] = Field(..., min_length=1, max_length=100)
start_time: datetime
end_time: datetime | None = None
message: str | None = Field(None, max_length=500)
environment_id: str = Field(..., description="Target environment for the maintenance operation")
# #endregion MaintenanceStartRequest

View File

@@ -25,6 +25,7 @@ from starlette.middleware.sessions import SessionMiddleware
from .api import auth
from .api.routes import (
admin,
admin_api_keys,
assistant,
clean_release,
clean_release_v2,
@@ -224,6 +225,7 @@ app.add_middleware(TraceContextMiddleware)
# Include API routes
app.include_router(auth.router)
app.include_router(admin.router)
app.include_router(admin_api_keys.router)
app.include_router(plugins.router, prefix="/api/plugins", tags=["Plugins"])
app.include_router(tasks.router, prefix="/api/tasks", tags=["Tasks"])
app.include_router(settings.router, prefix="/api/settings", tags=["Settings"])

View File

@@ -0,0 +1,53 @@
# #region APIKeyUtilities [C:2] [TYPE Module] [SEMANTICS auth, api_key, crypto, generation]
# @BRIEF API key generation and hashing utilities for service-to-service authentication.
# @LAYER Core
# @RELATION DEPENDS_ON -> [hashlib]
# @RELATION DEPENDS_ON -> [secrets]
# @INVARIANT generate_api_key() always returns (raw_key, prefix, key_hash) where prefix is "ssk_" + 7 chars.
# @INVARIANT hash_api_key() produces SHA-256 hex digest for lookup and storage.
import hashlib
import secrets
# #region generate_api_key [C:2] [TYPE Function]
# @BRIEF Generate a new API key in ssk_ format with SHA-256 hash.
# @POST Returns (raw_key, prefix, key_hash) — raw_key shown ONCE to caller, never stored.
# @SIDE_EFFECT Uses secrets.token_urlsafe(32) for cryptographic randomness.
# @RELATION DEPENDS_ON -> [secrets.token_urlsafe]
# @RELATION DEPENDS_ON -> [hashlib.sha256]
def generate_api_key() -> tuple[str, str, str]:
"""Generate a new API key.
Returns:
tuple[str, str, str]: (raw_key, prefix, key_hash)
- raw_key: Full key string starting with "ssk_", shown once
- prefix: First 11 characters ("ssk_" + 7 chars), stored for identification
- key_hash: SHA-256 hex digest, stored in database
"""
raw = f"ssk_{secrets.token_urlsafe(32)}" # 32 bytes -> 43 base64 chars
prefix = raw[:11] # "ssk_" + 7 chars
key_hash = hashlib.sha256(raw.encode()).hexdigest()
return raw, prefix, key_hash
# #endregion generate_api_key
# #region hash_api_key [C:1] [TYPE Function]
# @BRIEF Hash an API key string to SHA-256 hex digest for lookup.
# @PRE raw_key is a non-empty string.
# @POST Returns 64-character hex digest.
# @RELATION DEPENDS_ON -> [hashlib.sha256]
def hash_api_key(raw_key: str) -> str:
"""Hash an API key using SHA-256.
Args:
raw_key: The full API key string (e.g. ssk_...)
Returns:
str: 64-character hex digest
"""
return hashlib.sha256(raw_key.encode()).hexdigest()
# #endregion hash_api_key
# #endregion APIKeyUtilities

View File

@@ -15,6 +15,7 @@ from sqlalchemy.orm import sessionmaker
# Import models to ensure they're registered with Base
from ..models import (
api_key as _api_key_models, # noqa: F401
assistant as _assistant_models, # noqa: F401
auth as _auth_models, # noqa: F401
clean_release as _clean_release_models, # noqa: F401

View File

@@ -1,4 +1,4 @@
# #region AppDependencies [C:3] [TYPE Module] [SEMANTICS fastapi, schedule]
# #region AppDependencies [C:4] [TYPE Module] [SEMANTICS fastapi, schedule, auth, api_key]
# @BRIEF Manages creation and provision of shared application dependencies, such as PluginLoader and TaskManager, to avoid circular imports.
# @LAYER: Core
# @RELATION Used by main app and API routers to get access to shared instances.
@@ -9,12 +9,18 @@
# @RELATION CALLS -> [TaskManager]
# @RELATION CALLS -> [get_all_plugin_configs]
# @RELATION CALLS -> [get_db]
# @RELATION CALLS -> [APIKeyPrincipal]
# @RELATION CALLS -> [get_api_key_principal]
# @RELATION CALLS -> [info]
# @RELATION CALLS -> [init_db]
import json
from dataclasses import dataclass, field
from datetime import datetime, timezone
from pathlib import Path
from typing import Optional
from fastapi import Depends, HTTPException, status
from fastapi import Depends, HTTPException, Request, status
from fastapi.security import OAuth2PasswordBearer
from jose import JWTError
@@ -26,6 +32,7 @@ from .core.logger import logger
from .core.plugin_loader import PluginLoader
from .core.scheduler import SchedulerService
from .core.task_manager import TaskManager
from .models.api_key import APIKey
from .models.auth import User
from .services.clean_release.facade import CleanReleaseFacade
from .services.clean_release.repositories import (
@@ -201,12 +208,295 @@ def get_clean_release_facade(db=Depends(get_db)) -> CleanReleaseFacade:
# #endregion get_clean_release_facade
# #region APIKeyPrincipal [C:1] [TYPE Class]
# @BRIEF Dataclass representing an authenticated API key principal for service-to-service auth.
@dataclass
class APIKeyPrincipal:
name: str
api_key_id: str
environment_id: Optional[str] = None
permissions: list[str] = field(default_factory=list)
# #endregion APIKeyPrincipal
# #region require_api_key_or_jwt [C:4] [TYPE Function]
# @BRIEF Factory: creates a dependency that accepts either a valid API key (with permission check)
# OR a JWT (with standard has_permission check). Returns the authenticated user/principal name.
# JWT takes precedence when both auth methods are present.
# When API key is used, its environment_id scope is enforced against the caller's environment_id.
# @PRE required_api_permission is a dot-separated string e.g. "maintenance:start".
# required_jwt_resource and required_jwt_action are the JWT permission to check.
# environment_id is the target environment for the operation (may be None for cross-env ops).
# @POST Returns str (username or api key name). Raises 400/401/403 if auth fails or scope mismatch.
# @SIDE_EFFECT Updates APIKey.last_used_at on successful API key auth.
# @RELATION DEPENDS_ON -> [APIKeyModel]
# @RELATION DEPENDS_ON -> [hash_api_key]
# @RELATION DEPENDS_ON -> [AuthRepository]
# @RELATION DEPENDS_ON -> [decode_token]
def require_api_key_or_jwt(
required_api_permission: str,
required_jwt_resource: str,
required_jwt_action: str,
environment_id: str | None = None,
):
"""Factory: creates a combined API-key-or-JWT auth dependency with environment scoping.
JWT takes precedence when both Authorization: Bearer and X-API-Key are present.
When API key auth is used, the key's environment_id scope is enforced:
- If key.environment_id differs from environment_id → 400
- If environment_id is None, the key's scope is used as default (auto-scope).
Args:
required_api_permission: Permission string to check against API key (e.g. 'maintenance:start').
required_jwt_resource: JWT resource for has_permission fallback.
required_jwt_action: JWT action for has_permission fallback.
environment_id: Target environment for the operation. Pass None for cross-env operations.
"""
async def _auth_dependency(
request: Request,
db=Depends(get_db),
auth_db=Depends(get_auth_db),
token: str | None = Depends(oauth2_scheme_optional),
) -> str:
from .core.auth.api_key import hash_api_key
# Resolve effective environment_id: factory parameter > request body > None
effective_env_id = environment_id
if effective_env_id is None:
try:
body = await request.json()
effective_env_id = body.get("environment_id")
except (json.JSONDecodeError, KeyError, AttributeError):
pass
# ── Try JWT auth first (JWT takes precedence over API key) ──
if token:
try:
payload = decode_token(token)
username_value = payload.get("sub")
if not isinstance(username_value, str) or not username_value:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="Could not validate credentials",
headers={"WWW-Authenticate": "Bearer"},
)
username = username_value
except Exception:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="Could not validate credentials",
headers={"WWW-Authenticate": "Bearer"},
)
repo = AuthRepository(auth_db)
user = repo.get_user_by_username(username)
if user is None:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="User not found",
)
# Check JWT permission (Admin has full access)
has_perm = any(
role.name == "Admin"
for role in user.roles
)
if not has_perm:
for role in user.roles:
for perm in role.permissions:
if perm.resource == required_jwt_resource and perm.action == required_jwt_action:
has_perm = True
break
if has_perm:
break
if not has_perm:
raise HTTPException(
status_code=status.HTTP_403_FORBIDDEN,
detail=f"Permission denied for {required_jwt_resource}:{required_jwt_action}",
)
logger.info(f"JWT auth: {user.username}")
return f"jwt:{user.username}"
# ── Try API key auth ──
raw_key = request.headers.get("X-API-Key")
if raw_key:
key_hash = hash_api_key(raw_key)
api_key = db.query(APIKey).filter(APIKey.key_hash == key_hash).first()
if not api_key:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="Invalid API key",
)
if not api_key.active:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="API key has been revoked",
)
if api_key.expires_at:
expires_at = api_key.expires_at
if expires_at.tzinfo is None:
expires_at = expires_at.replace(tzinfo=timezone.utc)
if expires_at < datetime.now(timezone.utc):
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="API key has expired",
)
# Check API key has required permission
api_permissions = list(api_key.permissions or [])
if required_api_permission not in api_permissions:
raise HTTPException(
status_code=status.HTTP_403_FORBIDDEN,
detail=f"API key lacks permission '{required_api_permission}'",
)
# Environment scoping check: key's scope vs effective operation env
key_env = api_key.environment_id
if key_env is not None and effective_env_id is not None and key_env != effective_env_id:
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail=f"API key is restricted to environment '{key_env}'",
)
# Update last_used_at (best-effort, non-blocking)
api_key.last_used_at = datetime.now(timezone.utc)
db.flush()
logger.info(f"API key auth: {api_key.name} ({api_key.prefix}...)")
return f"api_key:{api_key.name}"
# ── Neither JWT nor API key provided ──
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="Authentication required (API key or JWT)",
)
return _auth_dependency
# #endregion require_api_key_or_jwt
# #region check_api_key_environment_scope [C:1] [TYPE Function]
# @BRIEF Check the request's API key environment scope against a target env_id. Raises 400 if mismatch.
# @RELATION DEPENDS_ON -> [APIKeyModel]
# @RELATION DEPENDS_ON -> [hash_api_key]
async def check_api_key_environment_scope(request: Request, db, target_env_id: str) -> None:
"""Check the request's API key environment scope against a target environment_id.
If the API key has an environment_id set and it differs from target_env_id,
raises HTTP 400. This is used in route handlers where the target env_id
is only known at request time (e.g., loaded from DB in end_maintenance).
Args:
request: FastAPI request object (to extract X-API-Key header).
db: Database session.
target_env_id: The target environment to validate against.
"""
from .core.auth.api_key import hash_api_key
raw_key = request.headers.get("X-API-Key")
if not raw_key:
return
key_hash = hash_api_key(raw_key)
api_key = db.query(APIKey).filter(APIKey.key_hash == key_hash).first()
if api_key is None:
return
key_env = api_key.environment_id
if key_env is not None and key_env != target_env_id:
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail=f"API key is restricted to environment '{key_env}'",
)
# #endregion check_api_key_environment_scope
# #region get_api_key_principal [C:3] [TYPE Function]
# @BRIEF FastAPI dependency that reads X-API-Key header and returns APIKeyPrincipal or None.
# @PRE X-API-Key header may be present in the request.
# @POST If valid key: returns APIKeyPrincipal; if no header: returns None; if invalid: raises 401.
# @SIDE_EFFECT Updates last_used_at on the APIKey row (non-blocking flush).
# @RELATION DEPENDS_ON -> [APIKeyModel]
# @RELATION DEPENDS_ON -> [hash_api_key]
async def get_api_key_principal(
request: Request,
db=Depends(get_db),
) -> Optional[APIKeyPrincipal]:
"""Extract and validate API key from X-API-Key header.
If no header is present, returns None (fall through to JWT auth).
If header is present but invalid, raises 401.
Returns:
APIKeyPrincipal | None: Principal if valid API key, None if no header.
"""
from .core.auth.api_key import hash_api_key
raw_key = request.headers.get("X-API-Key")
if not raw_key:
return None
key_hash = hash_api_key(raw_key)
api_key = db.query(APIKey).filter(APIKey.key_hash == key_hash).first()
if not api_key:
logger.warning(f"API key auth failed: key not found (hash prefix: {raw_key[:11]}...)")
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="Invalid API key",
)
if not api_key.active:
logger.warning(f"API key auth failed: key revoked (id: {api_key.id}, name: {api_key.name})")
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="API key has been revoked",
)
if api_key.expires_at:
expires_at = api_key.expires_at
if expires_at.tzinfo is None:
expires_at = expires_at.replace(tzinfo=timezone.utc)
if expires_at < datetime.now(timezone.utc):
logger.warning(f"API key auth failed: key expired (id: {api_key.id}, name: {api_key.name})")
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="API key has expired",
)
# Update last_used_at (non-blocking, best-effort)
api_key.last_used_at = datetime.now(timezone.utc)
db.flush()
logger.info(f"API key auth success: {api_key.name} ({api_key.prefix}...)")
return APIKeyPrincipal(
name=api_key.name,
api_key_id=api_key.id,
environment_id=api_key.environment_id,
permissions=list(api_key.permissions or []),
)
# #endregion get_api_key_principal
# #region oauth2_scheme [C:1] [TYPE Variable]
# @RELATION DEPENDS_ON -> OAuth2PasswordBearer
# @BRIEF OAuth2 password bearer scheme for token extraction.
oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/auth/login")
# @BRIEF OAuth2 password bearer scheme for token extraction (raises 401 on missing token).
oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/auth/login", auto_error=True)
# #endregion oauth2_scheme
# #region oauth2_scheme_optional [C:1] [TYPE Variable]
# @RELATION DEPENDS_ON -> OAuth2PasswordBearer
# @BRIEF Optional OAuth2 scheme — returns None instead of raising 401 when no token.
# @RATIONALE Used in dual-auth routes (API key OR JWT) where JWT may be absent.
oauth2_scheme_optional = OAuth2PasswordBearer(tokenUrl="/api/auth/login", auto_error=False)
# #endregion oauth2_scheme_optional
# #region get_current_user [C:3] [TYPE Function]
# @RELATION CALLS -> AuthRepository

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# #region APIKeyModel [C:1] [TYPE Module] [SEMANTICS sqlalchemy, api_key, auth, model]
# @BRIEF SQLAlchemy model for API Key authentication — stores SHA-256 hash only, raw key shown once at creation.
# @LAYER Domain
# @RELATION DEPENDS_ON -> [MappingModels]
# @INVARIANT key_hash is stored as SHA-256 hex digest (64 chars). prefix stores "ssk_" + first 7 chars.
# @INVARIANT Raw key is NEVER stored — shown once at creation and discarded.
import uuid
from datetime import datetime, timezone
from sqlalchemy import Boolean, Column, DateTime, JSON, String
from .mapping import Base
# #region APIKey [C:1] [TYPE Class]
# @BRIEF Stores API key metadata and SHA-256 hash for service-to-service authentication.
class APIKey(Base):
__tablename__ = "api_keys"
id = Column(String, primary_key=True, default=lambda: str(uuid.uuid4()))
key_hash = Column(String(64), unique=True, nullable=False, index=True) # SHA-256 hex digest
prefix = Column(String(11), nullable=False) # "ssk_" + 7 chars
name = Column(String(255), nullable=False) # Human-readable label
environment_id = Column(String(50), nullable=True) # Scoped to environment; null = all
permissions = Column(JSON, nullable=False) # e.g. ["maintenance:start", "maintenance:end"]
active = Column(Boolean, default=True, nullable=False)
created_at = Column(DateTime, default=lambda: datetime.now(timezone.utc), nullable=False)
expires_at = Column(DateTime, nullable=True)
last_used_at = Column(DateTime, nullable=True)
def __repr__(self) -> str:
return f"<APIKey {self.prefix}... ({self.name})>"
# #endregion APIKey
# #endregion APIKeyModel