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Home Upload Mass Deface Mass Delete Back Connect Notify

005_plesk_cleanup_storage.py

"""
This program is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License
 along with this program.  If not, see <https://www.gnu.org/licenses/>.

This software is also available under ImunifyAV commercial license,
see <https://www.imunify360.com/legal/eula>
"""
import logging
import os
from functools import lru_cache
from glob import iglob
from hashlib import sha1 as hash_func
from itertools import cycle
from pathlib import Path
from tempfile import NamedTemporaryFile
from typing import Tuple

from defence360agent.utils import run_coro
from imav.malwarelib.cleanup.storage import CleanupStorage
from imav.migration_utils.other import skip_for_im360
from imav.migration_utils.revisium import get_all_domains, get_vhosts_dir

logger = logging.getLogger(__name__)

ENCRYPT_KEY = b"IMUNIFY"

REVISIUM_DIR_PREFIX = ".revisium"
BACKUP_FILE_SUFFIX = ".imunify"
BACKUP_LOCATION = (
    ".revisium_antivirus_cache",
    f"{REVISIUM_DIR_PREFIX}*",
    "backup",
    f"*{BACKUP_FILE_SUFFIX}",
)

@lru_cache(maxsize=1)
def _get_backup_file_slices() -> Tuple[slice, slice, slice]:
    """Get backup file slices for splitting it apart"""
    key_size = len(ENCRYPT_KEY)
    digest_size = len(hash_func().hexdigest())
    meta_size = key_size + digest_size
    return (
        # content: from the beginning to the meta data
        slice(None, -meta_size),
        # key: the first part of the meta data
        slice(-meta_size, -digest_size),
        # digest: the last part of the meta data
        slice(-digest_size, None),
    )

def decrypt(encrypted: bytes) -> bytes:
    """Decrypt ex-Revisium backup file content"""
    decrypted = bytes(c ^ k for c, k in zip(encrypted, cycle(ENCRYPT_KEY)))

content_slice, key_slice, digest_slice = _get_backup_file_slices()

content = decrypted[content_slice]
    key = decrypted[key_slice]
    digest = decrypted[digest_slice]

assert key == ENCRYPT_KEY
    assert hash_func(content).hexdigest() == digest.decode("latin-1")

return content

def get_orig_filename(filename: str) -> str:
    """Figure out what the original filename of ex-Revisium backup"""
    path = Path(filename)
    domain_id = path.parent.parent.name.removeprefix(REVISIUM_DIR_PREFIX)
    orig_dir = get_all_domains()[domain_id]["document_root"]
    return os.path.join(orig_dir, path.name.removesuffix(BACKUP_FILE_SUFFIX))

def transit_backup(filename: str) -> None:
    """
    Decrypt ex-Revisium backup file and copy it to Imunify360 cleanup storage
    """
    with open(filename, "rb") as f:
        st = os.stat(f.fileno())
        encrypted = f.read()

decrypted = decrypt(encrypted)

with NamedTemporaryFile() as temp:
        temp.write(decrypted)
        temp.flush()

fd = temp.fileno()
        os.chmod(fd, st.st_mode)
        os.chown(fd, st.st_uid, st.st_gid)

orig = get_orig_filename(filename)
        dst = CleanupStorage.path / CleanupStorage.storage_name(orig)
        # noinspection PyProtectedMember,PyTypeChecker
        run_coro(
            CleanupStorage._copy(temp.name, dst, safe_src=True, safe_dst=True)
        )

def main() -> None:
    for file in iglob(os.path.join(get_vhosts_dir(), "*", *BACKUP_LOCATION)):
        try:
            transit_backup(file)
        except Exception as e:
            logger.warning("Failed to transit a backup file %r: %r", file, e)

@skip_for_im360
def migrate(migrator, database, fake=False, **kwargs):
    if fake:
        return

main()

@skip_for_im360
def rollback(migrator, database, fake=False, **kwargs):
    pass

if __name__ == "__main__":
    main()

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	root/root	drwxr-xr-x	2024-11-07 06:08:25
..	dir	-	root/root	drwxr-xr-x	2024-11-07 06:08:25
__pycache__	dir	-	root/root	drwxr-xr-x	2024-11-07 06:08:25
000_noop_migration.py	text/plain	968 B	root/root	-rw-r--r--	2024-10-22 02:41:58
001_fix_scan_unserialization.py	text/plain	2.85 KB	root/root	-rw-r--r--	2024-10-22 02:41:58
002_convert_serialized_scans.py	text/plain	2.5 KB	root/root	-rw-r--r--	2024-10-22 02:41:58
003_add_new_fields_to_malware_history.py	text/plain	1.29 KB	root/root	-rw-r--r--	2024-10-22 02:41:58
003_whmapi1_set_importance_imav.py	text/plain	1.64 KB	root/root	-rw-r--r--	2024-10-22 02:41:58
004_add_malwarehit_owner.py	text/plain	1.1 KB	root/root	-rw-r--r--	2024-10-22 02:41:58
004_plesk_configs.py	text/plain	6.71 KB	root/root	-rw-r--r--	2024-10-22 02:41:58
005_plesk_cleanup_storage.py	text/plain	4.01 KB	root/root	-rw-r--r--	2024-10-22 02:41:58
005_populate_malwarehit_owner.py	text/plain	1.12 KB	root/root	-rw-r--r--	2024-10-22 02:41:58
006_add_malwarehit_snippet.py	text/plain	1.11 KB	root/root	-rw-r--r--	2024-10-22 02:41:58
007_add_malwarehistory_fileuser.py	text/plain	1.13 KB	root/root	-rw-r--r--	2024-10-22 02:41:58
007_revisium_ignore_list.py	text/plain	2.62 KB	root/root	-rw-r--r--	2024-10-22 02:41:58
008_populate_malwarehistory_foleuser.py	text/plain	1.16 KB	root/root	-rw-r--r--	2024-10-22 02:41:58
008_subscription_permissions.py	text/plain	3.57 KB	root/root	-rw-r--r--	2024-10-22 02:41:58
009_revisium_scan_history.py	text/plain	8.99 KB	root/root	-rw-r--r--	2024-10-22 02:41:58
010_add_malwarehistory_scan_id.py	text/plain	1.13 KB	root/root	-rw-r--r--	2024-10-22 02:41:58
011_add_malwarehistory_index.py	text/plain	1.49 KB	root/root	-rw-r--r--	2024-10-22 02:41:58
012_add_rescan_outdated_scan_type.py	text/plain	1.4 KB	root/root	-rw-r--r--	2024-10-22 02:41:58
__init__.py	application/x-empty	0 B	root/root	-rw-r--r--	2024-10-22 02:41:58