Files
Aegis/backend/app/services/test_template_service.py
T
kitos 0002601b50
Aegis CI / lint-and-test (push) Has been cancelled
Snyk Security Scan / Python vulnerabilities (backend) (push) Has been cancelled
Snyk Security Scan / npm vulnerabilities (frontend) (push) Has been cancelled
Snyk Security Scan / Docker image vulnerabilities (backend) (push) Has been cancelled
feat(templates): add pagination with total counts to catalog and campaign picker
Test Catalog's pagination showed only 'Page N' with no way to know
how many pages existed, and the campaign 'Add Test' modal's template
picker had no pagination at all — with 2800+ templates in the
catalog, its flat 100-row fetch made most templates unreachable
unless a search happened to match. Adds GET /test-templates/count
(open to any authenticated user, mirrors the list endpoint's filters)
and wires real 'Page N of M' + total-available counts into both.
2026-07-16 10:01:20 +02:00

282 lines
9.4 KiB
Python

"""Test template service — framework-agnostic CRUD and queries."""
# Enable future language features for compatibility
from __future__ import annotations
# Import uuid
import uuid
# Import func, or_ from sqlalchemy
from sqlalchemy import func, or_
# Import Session from sqlalchemy.orm
from sqlalchemy.orm import Session
# Import EntityNotFoundError from app.domain.errors
from app.domain.errors import EntityNotFoundError
# Import TestTemplate from app.models.test_template
from app.models.test_template import TestTemplate
from app.models.technique import Technique
from app.models.test import Test
# Import escape_like from app.utils
from app.utils import escape_like
def _build_template_query(
db: Session,
*,
source: str | None = None,
platform: str | None = None,
severity: str | None = None,
mitre_technique_id: str | None = None,
search: str | None = None,
is_active: bool | None = None,
):
"""Build the filtered TestTemplate query shared by list_templates() and
count_templates() — a single source of truth so a paginated page of
results and the total count it's paginated against can never drift
apart (same pattern used for tests in test_crud_service.py)."""
query = db.query(TestTemplate)
if is_active is not None:
query = query.filter(TestTemplate.is_active == is_active)
if source:
query = query.filter(TestTemplate.source == source)
if platform:
query = query.filter(TestTemplate.platform.ilike(f"%{escape_like(platform)}%"))
if severity:
query = query.filter(TestTemplate.severity == severity)
if mitre_technique_id:
query = query.filter(TestTemplate.mitre_technique_id == mitre_technique_id)
if search:
pattern = f"%{escape_like(search)}%"
query = query.filter(
or_(
TestTemplate.name.ilike(pattern),
TestTemplate.description.ilike(pattern),
)
)
return query
# Define function list_templates
def list_templates(
# Entry: db
db: Session,
*,
# Entry: source
source: str | None = None,
# Entry: platform
platform: str | None = None,
# Entry: severity
severity: str | None = None,
# Entry: mitre_technique_id
mitre_technique_id: str | None = None,
# Entry: search
search: str | None = None,
# Entry: is_active
is_active: bool | None = None,
# Entry: offset
offset: int = 0,
# Entry: limit
limit: int = 50,
) -> list:
"""Return paginated, filterable list of test templates."""
query = _build_template_query(
db, source=source, platform=platform, severity=severity,
mitre_technique_id=mitre_technique_id, search=search, is_active=is_active,
)
templates = (
query
.order_by(TestTemplate.mitre_technique_id, TestTemplate.name)
.offset(offset)
.limit(limit)
.all()
)
# Attach existing_test_count per template — lets the catalog warn before
# creating a likely-duplicate test for a technique that already has one.
if templates:
mitre_ids = {t.mitre_technique_id for t in templates}
counts = dict(
db.query(Technique.mitre_id, func.count(Test.id))
.join(Test, Test.technique_id == Technique.id)
.filter(Technique.mitre_id.in_(mitre_ids))
.group_by(Technique.mitre_id)
.all()
)
for t in templates:
t.existing_test_count = counts.get(t.mitre_technique_id, 0)
return templates
def count_templates(
db: Session,
*,
source: str | None = None,
platform: str | None = None,
severity: str | None = None,
mitre_technique_id: str | None = None,
search: str | None = None,
is_active: bool | None = None,
) -> int:
"""Return the total count of templates matching the same filters as
list_templates() — lets the catalog UI show a true page count even
though the list endpoint caps how many rows it returns per request."""
query = _build_template_query(
db, source=source, platform=platform, severity=severity,
mitre_technique_id=mitre_technique_id, search=search, is_active=is_active,
)
return query.count()
# Define function get_template_stats
def get_template_stats(db: Session) -> dict:
"""Return catalog statistics: totals by source, platform, active/inactive."""
# Assign total = db.query(func.count(TestTemplate.id)).scalar() or 0
total = db.query(func.count(TestTemplate.id)).scalar() or 0
# Assign active = (
active = (
db.query(func.count(TestTemplate.id))
# Chain .filter() call
.filter(TestTemplate.is_active == True) # noqa: E712
# Chain .scalar() call
.scalar()
) or 0
# Assign inactive = total - active
inactive = total - active
# Assign source_rows = (
source_rows = (
db.query(TestTemplate.source, func.count(TestTemplate.id))
# Chain .filter() call
.filter(TestTemplate.is_active == True) # noqa: E712
# Chain .group_by() call
.group_by(TestTemplate.source)
# Chain .all() call
.all()
)
# Assign by_source = {source: cnt for source, cnt in source_rows}
by_source = {source: cnt for source, cnt in source_rows}
# Assign platform_rows = (
platform_rows = (
db.query(TestTemplate.platform, func.count(TestTemplate.id))
# Chain .filter() call
.filter(TestTemplate.is_active == True) # noqa: E712
# Chain .group_by() call
.group_by(TestTemplate.platform)
# Chain .all() call
.all()
)
# Assign by_platform = {(platform or "unspecified"): cnt for platform, cnt in platform_rows}
by_platform = {(platform or "unspecified"): cnt for platform, cnt in platform_rows}
# Return {
return {
# Literal argument value
"total": total,
# Literal argument value
"active": active,
# Literal argument value
"inactive": inactive,
# Literal argument value
"by_source": by_source,
# Literal argument value
"by_platform": by_platform,
}
# Define function bulk_activate
def bulk_activate(db: Session, *, activate: bool) -> int:
"""Set all templates to active or inactive. Returns count of affected. Does NOT commit."""
# Assign count = (
count = (
db.query(TestTemplate)
# Chain .filter() call
.filter(TestTemplate.is_active != activate)
# Chain .update() call
.update({TestTemplate.is_active: activate})
)
# Return count
return count
# Define function get_templates_by_technique
def get_templates_by_technique(db: Session, mitre_id: str) -> list:
"""Return all active templates mapped to a specific MITRE technique."""
# Return (
return (
db.query(TestTemplate)
# Chain .filter() call
.filter(
TestTemplate.mitre_technique_id == mitre_id,
TestTemplate.is_active == True, # noqa: E712
)
# Chain .order_by() call
.order_by(TestTemplate.name)
# Chain .all() call
.all()
)
# Define function get_template_or_raise
def get_template_or_raise(db: Session, template_id: uuid.UUID) -> TestTemplate:
"""Return a template by ID. Raises EntityNotFoundError if not found."""
# Assign template = db.query(TestTemplate).filter(TestTemplate.id == template_id).first()
template = db.query(TestTemplate).filter(TestTemplate.id == template_id).first()
# Check: template is None
if template is None:
# Raise EntityNotFoundError
raise EntityNotFoundError("Test template", str(template_id))
# Return template
return template
# Define function create_template
def create_template(db: Session, **fields: object) -> TestTemplate:
"""Create a test template from keyword args (e.g. payload.model_dump()). Does NOT commit."""
# Assign template = TestTemplate(**fields)
template = TestTemplate(**fields)
# Stage new record(s) for database insertion
db.add(template)
# Return template
return template
# Define function update_template
def update_template(db: Session, template_id: uuid.UUID, **fields: object) -> TestTemplate:
"""Update an existing template. Raises EntityNotFoundError if not found. Does NOT commit."""
# Assign template = get_template_or_raise(db, template_id)
template = get_template_or_raise(db, template_id)
# Iterate over fields.items()
for field, value in fields.items():
# Check: hasattr(template, field)
if hasattr(template, field):
# Call setattr()
setattr(template, field, value)
# Return template
return template
# Define function toggle_template_active
def toggle_template_active(db: Session, template_id: uuid.UUID) -> TestTemplate:
"""Toggle template active/inactive. Does NOT commit."""
# Assign template = get_template_or_raise(db, template_id)
template = get_template_or_raise(db, template_id)
# Assign template.is_active = not template.is_active
template.is_active = not template.is_active
# Return template
return template
# Define function soft_delete_template
def soft_delete_template(db: Session, template_id: uuid.UUID) -> None:
"""Soft-delete a template by setting is_active=False. Does NOT commit."""
# Assign template = get_template_or_raise(db, template_id)
template = get_template_or_raise(db, template_id)
# Assign template.is_active = False
template.is_active = False