mirror of
https://github.com/paperless-ngx/paperless-ngx.git
synced 2025-04-21 10:29:29 -05:00
92 lines
2.9 KiB
Python
92 lines
2.9 KiB
Python
import os
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from django.conf import settings
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from django.core.management.base import BaseCommand
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from django.core.management.base import CommandError
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from documents.models import Document
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from paperless.db import GnuPG
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class Command(BaseCommand):
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help = (
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"This is how you migrate your stored documents from an encrypted "
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"state to an unencrypted one (or vice-versa)"
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)
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def add_arguments(self, parser):
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parser.add_argument(
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"--passphrase",
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help="If PAPERLESS_PASSPHRASE isn't set already, you need to "
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"specify it here",
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)
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def handle(self, *args, **options):
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try:
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print(
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"\n\nWARNING: This script is going to work directly on your "
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"document originals, so\nWARNING: you probably shouldn't run "
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"this unless you've got a recent backup\nWARNING: handy. It "
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"*should* work without a hitch, but be safe and backup your\n"
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"WARNING: stuff first.\n\nHit Ctrl+C to exit now, or Enter to "
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"continue.\n\n",
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)
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_ = input()
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except KeyboardInterrupt:
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return
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passphrase = options["passphrase"] or settings.PASSPHRASE
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if not passphrase:
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raise CommandError(
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"Passphrase not defined. Please set it with --passphrase or "
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"by declaring it in your environment or your config.",
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)
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self.__gpg_to_unencrypted(passphrase)
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@staticmethod
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def __gpg_to_unencrypted(passphrase):
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encrypted_files = Document.objects.filter(
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storage_type=Document.STORAGE_TYPE_GPG,
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)
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for document in encrypted_files:
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print(f"Decrypting {document}".encode())
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old_paths = [document.source_path, document.thumbnail_path]
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with document.source_file as file_handle:
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raw_document = GnuPG.decrypted(file_handle, passphrase)
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with document.thumbnail_file as file_handle:
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raw_thumb = GnuPG.decrypted(file_handle, passphrase)
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document.storage_type = Document.STORAGE_TYPE_UNENCRYPTED
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ext = os.path.splitext(document.filename)[1]
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if not ext == ".gpg":
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raise CommandError(
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f"Abort: encrypted file {document.source_path} does not "
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f"end with .gpg",
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)
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document.filename = os.path.splitext(document.filename)[0]
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with open(document.source_path, "wb") as f:
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f.write(raw_document)
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with open(document.thumbnail_path, "wb") as f:
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f.write(raw_thumb)
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Document.objects.filter(id=document.id).update(
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storage_type=document.storage_type,
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filename=document.filename,
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)
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for path in old_paths:
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os.unlink(path)
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