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miasma-installer/examples/archinstall/archinstall/lib/disk/encryption_menu.py
tumillanino 33dd952ad4
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updated the installer so that it should actually work
2025-11-11 18:57:02 +11:00

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11 KiB
Python

from pathlib import Path
from typing import override
from archinstall.lib.menu.menu_helper import MenuHelper
from archinstall.lib.models.device import (
DeviceModification,
DiskEncryption,
EncryptionType,
LvmConfiguration,
LvmVolume,
PartitionModification,
)
from archinstall.lib.translationhandler import tr
from archinstall.tui.curses_menu import EditMenu, SelectMenu
from archinstall.tui.menu_item import MenuItem, MenuItemGroup
from archinstall.tui.result import ResultType
from archinstall.tui.types import Alignment, FrameProperties
from ..menu.abstract_menu import AbstractSubMenu
from ..models.device import DEFAULT_ITER_TIME, Fido2Device
from ..models.users import Password
from ..output import FormattedOutput
from ..utils.util import get_password
from .fido import Fido2
class DiskEncryptionMenu(AbstractSubMenu[DiskEncryption]):
def __init__(
self,
device_modifications: list[DeviceModification],
lvm_config: LvmConfiguration | None = None,
preset: DiskEncryption | None = None,
):
if preset:
self._enc_config = preset
else:
self._enc_config = DiskEncryption()
self._device_modifications = device_modifications
self._lvm_config = lvm_config
menu_optioons = self._define_menu_options()
self._item_group = MenuItemGroup(menu_optioons, sort_items=False, checkmarks=True)
super().__init__(
self._item_group,
self._enc_config,
allow_reset=True,
)
def _define_menu_options(self) -> list[MenuItem]:
return [
MenuItem(
text=tr('Encryption type'),
action=lambda x: select_encryption_type(self._device_modifications, self._lvm_config, x),
value=self._enc_config.encryption_type,
preview_action=self._preview,
key='encryption_type',
),
MenuItem(
text=tr('Encryption password'),
action=lambda x: select_encrypted_password(),
value=self._enc_config.encryption_password,
dependencies=[self._check_dep_enc_type],
preview_action=self._preview,
key='encryption_password',
),
MenuItem(
text=tr('Iteration time'),
action=select_iteration_time,
value=self._enc_config.iter_time,
dependencies=[self._check_dep_enc_type],
preview_action=self._preview,
key='iter_time',
),
MenuItem(
text=tr('Partitions'),
action=lambda x: select_partitions_to_encrypt(self._device_modifications, x),
value=self._enc_config.partitions,
dependencies=[self._check_dep_partitions],
preview_action=self._preview,
key='partitions',
),
MenuItem(
text=tr('LVM volumes'),
action=self._select_lvm_vols,
value=self._enc_config.lvm_volumes,
dependencies=[self._check_dep_lvm_vols],
preview_action=self._preview,
key='lvm_volumes',
),
MenuItem(
text=tr('HSM'),
action=select_hsm,
value=self._enc_config.hsm_device,
dependencies=[self._check_dep_enc_type],
preview_action=self._preview,
key='hsm_device',
),
]
def _select_lvm_vols(self, preset: list[LvmVolume]) -> list[LvmVolume]:
if self._lvm_config:
return select_lvm_vols_to_encrypt(self._lvm_config, preset=preset)
return []
def _check_dep_enc_type(self) -> bool:
enc_type: EncryptionType | None = self._item_group.find_by_key('encryption_type').value
if enc_type and enc_type != EncryptionType.NoEncryption:
return True
return False
def _check_dep_partitions(self) -> bool:
enc_type: EncryptionType | None = self._item_group.find_by_key('encryption_type').value
if enc_type and enc_type in [EncryptionType.Luks, EncryptionType.LvmOnLuks]:
return True
return False
def _check_dep_lvm_vols(self) -> bool:
enc_type: EncryptionType | None = self._item_group.find_by_key('encryption_type').value
if enc_type and enc_type == EncryptionType.LuksOnLvm:
return True
return False
@override
def run(self, additional_title: str | None = None) -> DiskEncryption | None:
super().run(additional_title=additional_title)
enc_type: EncryptionType | None = self._item_group.find_by_key('encryption_type').value
enc_password: Password | None = self._item_group.find_by_key('encryption_password').value
iter_time: int | None = self._item_group.find_by_key('iter_time').value
enc_partitions = self._item_group.find_by_key('partitions').value
enc_lvm_vols = self._item_group.find_by_key('lvm_volumes').value
assert enc_type is not None
assert enc_partitions is not None
assert enc_lvm_vols is not None
if enc_type in [EncryptionType.Luks, EncryptionType.LvmOnLuks] and enc_partitions:
enc_lvm_vols = []
if enc_type == EncryptionType.LuksOnLvm:
enc_partitions = []
if enc_type != EncryptionType.NoEncryption and enc_password and (enc_partitions or enc_lvm_vols):
return DiskEncryption(
encryption_password=enc_password,
encryption_type=enc_type,
partitions=enc_partitions,
lvm_volumes=enc_lvm_vols,
hsm_device=self._enc_config.hsm_device,
iter_time=iter_time or DEFAULT_ITER_TIME,
)
return None
def _preview(self, item: MenuItem) -> str | None:
output = ''
if (enc_type := self._prev_type()) is not None:
output += enc_type
if (enc_pwd := self._prev_password()) is not None:
output += f'\n{enc_pwd}'
if (iter_time := self._prev_iter_time()) is not None:
output += f'\n{iter_time}'
if (fido_device := self._prev_hsm()) is not None:
output += f'\n{fido_device}'
if (partitions := self._prev_partitions()) is not None:
output += f'\n\n{partitions}'
if (lvm := self._prev_lvm_vols()) is not None:
output += f'\n\n{lvm}'
if not output:
return None
return output
def _prev_type(self) -> str | None:
enc_type = self._item_group.find_by_key('encryption_type').value
if enc_type:
enc_text = EncryptionType.type_to_text(enc_type)
return f'{tr("Encryption type")}: {enc_text}'
return None
def _prev_password(self) -> str | None:
enc_pwd = self._item_group.find_by_key('encryption_password').value
if enc_pwd:
return f'{tr("Encryption password")}: {enc_pwd.hidden()}'
return None
def _prev_partitions(self) -> str | None:
partitions: list[PartitionModification] | None = self._item_group.find_by_key('partitions').value
if partitions:
output = tr('Partitions to be encrypted') + '\n'
output += FormattedOutput.as_table(partitions)
return output.rstrip()
return None
def _prev_lvm_vols(self) -> str | None:
volumes: list[PartitionModification] | None = self._item_group.find_by_key('lvm_volumes').value
if volumes:
output = tr('LVM volumes to be encrypted') + '\n'
output += FormattedOutput.as_table(volumes)
return output.rstrip()
return None
def _prev_hsm(self) -> str | None:
fido_device: Fido2Device | None = self._item_group.find_by_key('hsm_device').value
if not fido_device:
return None
output = str(fido_device.path)
output += f' ({fido_device.manufacturer}, {fido_device.product})'
return f'{tr("HSM device")}: {output}'
def _prev_iter_time(self) -> str | None:
iter_time = self._item_group.find_by_key('iter_time').value
enc_type = self._item_group.find_by_key('encryption_type').value
if iter_time and enc_type != EncryptionType.NoEncryption:
return f'{tr("Iteration time")}: {iter_time}ms'
return None
def select_encryption_type(
device_modifications: list[DeviceModification],
lvm_config: LvmConfiguration | None = None,
preset: EncryptionType | None = None,
) -> EncryptionType | None:
options: list[EncryptionType] = []
if lvm_config:
options = [EncryptionType.LvmOnLuks, EncryptionType.LuksOnLvm]
else:
options = [EncryptionType.Luks]
if not preset:
preset = options[0]
preset_value = EncryptionType.type_to_text(preset)
items = [MenuItem(EncryptionType.type_to_text(o), value=o) for o in options]
group = MenuItemGroup(items)
group.set_focus_by_value(preset_value)
result = SelectMenu[EncryptionType](
group,
allow_skip=True,
allow_reset=True,
alignment=Alignment.CENTER,
frame=FrameProperties.min(tr('Encryption type')),
).run()
match result.type_:
case ResultType.Reset:
return None
case ResultType.Skip:
return preset
case ResultType.Selection:
return result.get_value()
def select_encrypted_password() -> Password | None:
header = tr('Enter disk encryption password (leave blank for no encryption)') + '\n'
password = get_password(
text=tr('Disk encryption password'),
header=header,
allow_skip=True,
)
return password
def select_hsm(preset: Fido2Device | None = None) -> Fido2Device | None:
header = tr('Select a FIDO2 device to use for HSM') + '\n'
try:
fido_devices = Fido2.get_cryptenroll_devices()
except ValueError:
return None
if fido_devices:
group = MenuHelper(data=fido_devices).create_menu_group()
result = SelectMenu[Fido2Device](
group,
header=header,
alignment=Alignment.CENTER,
allow_skip=True,
).run()
match result.type_:
case ResultType.Reset:
return None
case ResultType.Skip:
return preset
case ResultType.Selection:
return result.get_value()
return None
def select_partitions_to_encrypt(
modification: list[DeviceModification],
preset: list[PartitionModification],
) -> list[PartitionModification]:
partitions: list[PartitionModification] = []
# do not allow encrypting the boot partition
for mod in modification:
partitions += [p for p in mod.partitions if p.mountpoint != Path('/boot') and not p.is_swap()]
# do not allow encrypting existing partitions that are not marked as wipe
avail_partitions = [p for p in partitions if not p.exists()]
if avail_partitions:
group = MenuHelper(data=avail_partitions).create_menu_group()
group.set_selected_by_value(preset)
result = SelectMenu[PartitionModification](
group,
alignment=Alignment.CENTER,
multi=True,
allow_skip=True,
).run()
match result.type_:
case ResultType.Reset:
return []
case ResultType.Skip:
return preset
case ResultType.Selection:
partitions = result.get_values()
return partitions
return []
def select_lvm_vols_to_encrypt(
lvm_config: LvmConfiguration,
preset: list[LvmVolume],
) -> list[LvmVolume]:
volumes: list[LvmVolume] = lvm_config.get_all_volumes()
if volumes:
group = MenuHelper(data=volumes).create_menu_group()
result = SelectMenu[LvmVolume](
group,
alignment=Alignment.CENTER,
multi=True,
).run()
match result.type_:
case ResultType.Reset:
return []
case ResultType.Skip:
return preset
case ResultType.Selection:
volumes = result.get_values()
return volumes
return []
def select_iteration_time(preset: int | None = None) -> int | None:
header = tr('Enter iteration time for LUKS encryption (in milliseconds)') + '\n'
header += tr('Higher values increase security but slow down boot time') + '\n'
header += tr(f'Default: {DEFAULT_ITER_TIME}ms, Recommended range: 1000-60000') + '\n'
def validate_iter_time(value: str | None) -> str | None:
if not value:
return None
try:
iter_time = int(value)
if iter_time < 100:
return tr('Iteration time must be at least 100ms')
if iter_time > 120000:
return tr('Iteration time must be at most 120000ms')
return None
except ValueError:
return tr('Please enter a valid number')
result = EditMenu(
tr('Iteration time'),
header=header,
alignment=Alignment.CENTER,
allow_skip=True,
default_text=str(preset) if preset else str(DEFAULT_ITER_TIME),
validator=validate_iter_time,
).input()
match result.type_:
case ResultType.Skip:
return preset
case ResultType.Selection:
if not result.text():
return preset
return int(result.text())
case ResultType.Reset:
return None