Files
paperless-ngx/src/paperless_migration/views.py
2026-01-29 10:06:02 -08:00

133 lines
4.8 KiB
Python

"""Views for migration mode web interface."""
from __future__ import annotations
from pathlib import Path
from typing import TYPE_CHECKING
from django.conf import settings
from django.contrib import messages
from django.contrib.auth import authenticate
from django.contrib.auth import login
from django.contrib.auth.decorators import login_required
from django.http import HttpResponseForbidden
from django.shortcuts import redirect
from django.shortcuts import render
from django.views.decorators.http import require_http_methods
if TYPE_CHECKING:
from django.http import HttpRequest
from django.http import HttpResponse
def _check_migration_access(request: HttpRequest) -> HttpResponse | None:
"""Check if user has migration access. Returns error response or None."""
if not request.session.get("migration_code_ok"):
return HttpResponseForbidden("Access code required")
if not request.user.is_superuser:
return HttpResponseForbidden("Superuser access required")
return None
@login_required
@require_http_methods(["GET", "POST"])
def migration_home(request: HttpRequest) -> HttpResponse:
"""Main migration dashboard view."""
error_response = _check_migration_access(request)
if error_response:
return error_response
export_path = Path(settings.MIGRATION_EXPORT_PATH)
transformed_path = Path(settings.MIGRATION_TRANSFORMED_PATH)
imported_marker = Path(settings.MIGRATION_IMPORTED_PATH)
if request.method == "POST":
action = request.POST.get("action")
if action == "check":
messages.success(request, "Checked export paths.")
elif action == "upload":
upload = request.FILES.get("export_file")
if not upload:
messages.error(request, "No file selected.")
else:
try:
export_path.parent.mkdir(parents=True, exist_ok=True)
with export_path.open("wb") as dest:
for chunk in upload.chunks():
dest.write(chunk)
messages.success(request, f"Uploaded to {export_path}.")
except Exception as exc:
messages.error(request, f"Failed to save file: {exc}")
elif action == "transform":
if imported_marker.exists():
imported_marker.unlink()
# Signal to start WebSocket connection for transform
request.session["start_ws_action"] = "transform"
messages.info(request, "Starting transform via WebSocket...")
elif action == "import":
# Signal to start WebSocket connection for import
request.session["start_ws_action"] = "import"
messages.info(request, "Starting import via WebSocket...")
elif action == "reset_transform":
if transformed_path.exists():
try:
transformed_path.unlink()
messages.success(request, "Transformed file deleted.")
except Exception as exc:
messages.error(request, f"Failed to delete transformed file: {exc}")
if imported_marker.exists():
try:
imported_marker.unlink()
except Exception:
pass
else:
messages.error(request, "Unknown action.")
return redirect("migration_home")
ws_action = request.session.pop("start_ws_action", None)
context = {
"export_path": export_path,
"export_exists": export_path.exists(),
"transformed_path": transformed_path,
"transformed_exists": transformed_path.exists(),
"imported_exists": imported_marker.exists(),
"ws_action": ws_action,
}
return render(request, "paperless_migration/migration_home.html", context)
@require_http_methods(["GET", "POST"])
def migration_login(request: HttpRequest) -> HttpResponse:
"""Migration-specific login view requiring access code."""
if request.method == "POST":
username = request.POST.get("login", "")
password = request.POST.get("password", "")
code = request.POST.get("code", "")
if not code or code != settings.MIGRATION_ACCESS_CODE:
messages.error(request, "One-time code is required.")
return redirect("account_login")
user = authenticate(request, username=username, password=password)
if user is None:
messages.error(request, "Invalid username or password.")
return redirect("account_login")
if not user.is_superuser:
messages.error(request, "Superuser access required.")
return redirect("account_login")
login(request, user)
request.session["migration_code_ok"] = True
return redirect(settings.LOGIN_REDIRECT_URL)
return render(request, "account/login.html")