Files
govoplan-audit/src/govoplan_audit/backend/api/v1/routes.py
2026-07-07 15:49:06 +02:00

234 lines
10 KiB
Python

from __future__ import annotations
from datetime import datetime, timedelta, timezone
from fastapi import APIRouter, Depends, HTTPException, Query, status
from sqlalchemy import false, func, or_
from sqlalchemy.orm import Session
from govoplan_access.backend.auth.dependencies import ApiPrincipal, has_scope, require_any_scope
from govoplan_audit.backend.db.models import AuditLog
from govoplan_core.core.access import CAPABILITY_ACCESS_ADMINISTRATION, AccessAdministration
from govoplan_core.core.runtime import get_registry
from govoplan_core.db.session import get_session
from govoplan_tenancy.backend.db.models import Tenant
from .schemas import AuditAdminItem, AuditAdminListResponse, AuditLogItemResponse, AuditLogListResponse
router = APIRouter(tags=["audit"])
def _access_administration() -> AccessAdministration:
registry = get_registry()
if registry is None or not registry.has_capability(CAPABILITY_ACCESS_ADMINISTRATION):
raise HTTPException(status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail="Access administration capability is not configured")
capability = registry.require_capability(CAPABILITY_ACCESS_ADMINISTRATION)
if not isinstance(capability, AccessAdministration):
raise HTTPException(status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail="Access administration capability is invalid")
return capability
def _resolve_tenant(
session: Session,
principal: ApiPrincipal,
tenant_id: str | None,
) -> Tenant:
target_id = tenant_id or principal.tenant_id
if target_id != principal.tenant_id:
raise HTTPException(
status_code=status.HTTP_409_CONFLICT,
detail="Switch to the target tenant before using tenant-administration endpoints.",
)
tenant = session.get(Tenant, target_id)
if tenant is None:
raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Tenant not found")
return tenant
def _parse_audit_filter(value: str | None) -> tuple[str, str]:
if not value:
return "contains", ""
if ":" not in value:
return "contains", value.strip()
operator, raw = value.split(":", 1)
if operator not in {"contains", "eq", "before", "after", "gt", "gte", "lt", "lte"}:
return "contains", value.strip()
return operator, raw.strip()
def _audit_text_filter(column, raw: str | None):
operator, value = _parse_audit_filter(raw)
if not value:
return None
normalized = value.casefold()
text = func.lower(func.coalesce(column, ""))
return text == normalized if operator == "eq" else text.contains(normalized)
def _text_matches(candidate: str, *, operator: str, value: str) -> bool:
normalized = value.casefold()
text = candidate.casefold()
return text == normalized if operator == "eq" else normalized in text
def _audit_actor_filter(access_admin: AccessAdministration, session: Session, raw: str | None):
operator, value = _parse_audit_filter(raw)
if not value:
return None
user_ids = access_admin.user_ids_for_actor_filter(session, operator=operator, value=value)
conditions = []
if user_ids:
conditions.append(AuditLog.user_id.in_(user_ids))
if _text_matches("System", operator=operator, value=value):
conditions.append(AuditLog.user_id.is_(None))
return or_(*conditions) if conditions else false()
def _audit_time_filter(raw: str | None):
operator, value = _parse_audit_filter(raw)
if not value:
return None
try:
parsed = datetime.fromisoformat(value.replace("Z", "+00:00"))
except ValueError as exc:
raise HTTPException(status_code=status.HTTP_422_UNPROCESSABLE_ENTITY, detail="Invalid audit date filter.") from exc
if parsed.tzinfo is None:
parsed = parsed.replace(tzinfo=timezone.utc)
else:
parsed = parsed.astimezone(timezone.utc)
if operator == "eq":
if "T" not in value and " " not in value:
return (AuditLog.created_at >= parsed) & (AuditLog.created_at < parsed + timedelta(days=1))
return AuditLog.created_at == parsed
if operator in {"before", "lt"}:
return AuditLog.created_at < parsed
if operator == "lte":
return AuditLog.created_at <= parsed
if operator in {"after", "gt"}:
return AuditLog.created_at > parsed
if operator == "gte":
return AuditLog.created_at >= parsed
return AuditLog.created_at == parsed
@router.get("/admin/audit", response_model=AuditAdminListResponse)
def list_admin_audit(
tenant_id: str | None = Query(default=None),
all_tenants: bool = Query(default=False),
audit_scope: str | None = Query(default=None, alias="scope"),
limit: int = Query(default=100, ge=1, le=500),
offset: int = Query(default=0, ge=0),
page: int | None = Query(default=None, ge=1),
page_size: int | None = Query(default=None, ge=1, le=500),
sort_by: str = Query(default="time"),
sort_direction: str = Query(default="desc"),
filter_time: str | None = Query(default=None),
filter_actor: str | None = Query(default=None),
filter_action: str | None = Query(default=None),
filter_object: str | None = Query(default=None),
filter_tenant: str | None = Query(default=None),
session: Session = Depends(get_session),
principal: ApiPrincipal = Depends(require_any_scope("audit:read", "system:audit:read")),
):
effective_scope = audit_scope or ("all" if all_tenants else "tenant")
if effective_scope not in {"tenant", "system", "all"}:
raise HTTPException(status_code=status.HTTP_422_UNPROCESSABLE_ENTITY, detail="Audit scope must be tenant, system or all.")
if sort_by not in {"time", "actor", "action", "object", "tenant"}:
raise HTTPException(status_code=status.HTTP_422_UNPROCESSABLE_ENTITY, detail="Unsupported audit sort column.")
if sort_direction not in {"asc", "desc"}:
raise HTTPException(status_code=status.HTTP_422_UNPROCESSABLE_ENTITY, detail="Audit sort direction must be asc or desc.")
query = session.query(AuditLog)
if effective_scope != "all":
query = query.filter(AuditLog.scope == effective_scope)
if effective_scope == "system":
if not has_scope(principal, "system:audit:read"):
raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="Missing scope: system:audit:read")
elif effective_scope == "all" or all_tenants:
if not has_scope(principal, "system:audit:read"):
raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="Missing scope: system:audit:read")
else:
if not has_scope(principal, "audit:read"):
raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="Missing scope: audit:read")
tenant = _resolve_tenant(session, principal, tenant_id)
query = query.filter(AuditLog.tenant_id == tenant.id)
object_text = func.coalesce(AuditLog.object_type, "") + " " + func.coalesce(AuditLog.object_id, "")
access_admin = _access_administration()
filters = [
_audit_time_filter(filter_time),
_audit_actor_filter(access_admin, session, filter_actor),
_audit_text_filter(AuditLog.action, filter_action),
_audit_text_filter(object_text, filter_object),
_audit_text_filter(AuditLog.tenant_id, filter_tenant),
]
for condition in filters:
if condition is not None:
query = query.filter(condition)
total = query.count()
effective_page_size = page_size or limit
pages = max(1, (total + effective_page_size - 1) // effective_page_size)
if page is not None or page_size is not None:
effective_page = min(page or 1, pages)
effective_offset = (effective_page - 1) * effective_page_size
else:
effective_page = offset // effective_page_size + 1
effective_offset = offset
sort_columns = {
"time": AuditLog.created_at,
"actor": func.coalesce(AuditLog.user_id, "System"),
"action": AuditLog.action,
"object": object_text,
"tenant": func.coalesce(AuditLog.tenant_id, ""),
}
sort_column = sort_columns[sort_by]
order = sort_column.asc() if sort_direction == "asc" else sort_column.desc()
rows = query.order_by(order, AuditLog.id.desc()).offset(effective_offset).limit(effective_page_size).all()
actor_email_by_user_id = access_admin.actor_email_by_user_id(session, {row.user_id for row in rows if row.user_id})
return AuditAdminListResponse(
total=total,
page=effective_page,
page_size=effective_page_size,
pages=pages,
items=[
AuditAdminItem(
id=row.id,
scope=row.scope,
tenant_id=row.tenant_id,
actor_email=actor_email_by_user_id.get(row.user_id) if row.user_id else None,
action=row.action,
object_type=row.object_type,
object_id=row.object_id,
details=row.details or {},
created_at=row.created_at,
)
for row in rows
],
)
@router.get("/audit", response_model=AuditLogListResponse)
def list_audit_log(
limit: int = Query(default=100, ge=1, le=500),
offset: int = Query(default=0, ge=0),
action: str | None = None,
object_type: str | None = None,
object_id: str | None = None,
session: Session = Depends(get_session),
principal: ApiPrincipal = Depends(require_any_scope("audit:read")),
):
if not has_scope(principal, "audit:read"):
raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="Missing scope: audit:read")
query = session.query(AuditLog).filter(AuditLog.tenant_id == principal.tenant_id)
if action:
query = query.filter(AuditLog.action == action)
if object_type:
query = query.filter(AuditLog.object_type == object_type)
if object_id:
query = query.filter(AuditLog.object_id == object_id)
items = query.order_by(AuditLog.created_at.desc()).offset(offset).limit(limit).all()
return AuditLogListResponse(items=[AuditLogItemResponse.model_validate(item) for item in items])