Files
mealie/mealie/routes/backup_routes.py
sephrat 6320ba7ec5 API security hardening (#571)
* Enhance security and safety around user update API

- Prevent a regular user from promoting themself to admin
- Prevent an admin from demoting themself
- Refactor token fixture to admin + regular user tokens

* Restrict user CRUD API to admins

* Secure admin API routes

* Refactor APIrouter into Admin/UserAPIRouter

* Secure theme routes

* Make 'all recipes' routes public

* Secure favorite routes

* Remove redundant checks

* Fix public routes mistakenly flagged user routes

* Make webhooks changeable only by admin

* Allow users to create categories and tags

* Address lint issues
2021-06-22 10:22:15 -08:00

116 lines
4.2 KiB
Python

import operator
import shutil
from pathlib import Path
from fastapi import BackgroundTasks, Depends, File, HTTPException, UploadFile, status
from mealie.core.config import app_dirs
from mealie.core.root_logger import get_logger
from mealie.core.security import create_file_token
from mealie.db.db_setup import generate_session
from mealie.routes.routers import AdminAPIRouter
from mealie.schema.backup import BackupJob, ImportJob, Imports, LocalBackup
from mealie.services.backups import imports
from mealie.services.backups.exports import backup_all
from mealie.services.events import create_backup_event
from sqlalchemy.orm.session import Session
router = AdminAPIRouter(prefix="/api/backups", tags=["Backups"])
logger = get_logger()
@router.get("/available", response_model=Imports)
def available_imports():
"""Returns a list of avaiable .zip files for import into Mealie."""
imports = []
for archive in app_dirs.BACKUP_DIR.glob("*.zip"):
backup = LocalBackup(name=archive.name, date=archive.stat().st_ctime)
imports.append(backup)
templates = [template.name for template in app_dirs.TEMPLATE_DIR.glob("*.*")]
imports.sort(key=operator.attrgetter("date"), reverse=True)
return Imports(imports=imports, templates=templates)
@router.post("/export/database", status_code=status.HTTP_201_CREATED)
def export_database(background_tasks: BackgroundTasks, data: BackupJob, session: Session = Depends(generate_session)):
"""Generates a backup of the recipe database in json format."""
try:
export_path = backup_all(
session=session,
tag=data.tag,
templates=data.templates,
export_recipes=data.options.recipes,
export_settings=data.options.settings,
export_pages=data.options.pages,
export_themes=data.options.themes,
export_users=data.options.users,
export_groups=data.options.groups,
export_notifications=data.options.notifications,
)
background_tasks.add_task(
create_backup_event, "Database Backup", f"Manual Backup Created '{Path(export_path).name}'", session
)
return {"export_path": export_path}
except Exception as e:
logger.error(e)
raise HTTPException(status.HTTP_500_INTERNAL_SERVER_ERROR)
@router.post("/upload", status_code=status.HTTP_200_OK)
def upload_backup_file(archive: UploadFile = File(...)):
""" Upload a .zip File to later be imported into Mealie """
dest = app_dirs.BACKUP_DIR.joinpath(archive.filename)
with dest.open("wb") as buffer:
shutil.copyfileobj(archive.file, buffer)
if not dest.is_file:
raise HTTPException(status.HTTP_400_BAD_REQUEST)
@router.get("/{file_name}/download")
async def download_backup_file(file_name: str):
""" Returns a token to download a file """
file = app_dirs.BACKUP_DIR.joinpath(file_name)
return {"fileToken": create_file_token(file)}
@router.post("/{file_name}/import", status_code=status.HTTP_200_OK)
def import_database(
background_tasks: BackgroundTasks,
file_name: str,
import_data: ImportJob,
session: Session = Depends(generate_session),
):
""" Import a database backup file generated from Mealie. """
db_import = imports.import_database(
session=session,
archive=import_data.name,
import_recipes=import_data.recipes,
import_settings=import_data.settings,
import_pages=import_data.pages,
import_themes=import_data.themes,
import_users=import_data.users,
import_groups=import_data.groups,
force_import=import_data.force,
rebase=import_data.rebase,
)
background_tasks.add_task(create_backup_event, "Database Restore", f"Restore File: {file_name}", session)
return db_import
@router.delete("/{file_name}/delete", status_code=status.HTTP_200_OK)
def delete_backup(file_name: str):
""" Removes a database backup from the file system """
file_path = app_dirs.BACKUP_DIR.joinpath(file_name)
if not file_path.is_file():
raise HTTPException(status.HTTP_400_BAD_REQUEST)
try:
file_path.unlink()
except Exception:
raise HTTPException(status.HTTP_500_INTERNAL_SERVER_ERROR)