merged with upstreamHEADmaster

1 files changed, 288 insertions, 0 deletions

diff --git a/archinstall/lib/disk/encryption_menu.py b/archinstall/lib/disk/encryption_menu.py
new file mode 100644
index 00000000..b0e292ce
--- /dev/null
+++ b/archinstall/lib/disk/encryption_menu.py
@@ -0,0 +1,288 @@
+from pathlib import Path
+from typing import Dict, Optional, Any, TYPE_CHECKING, List
+
+from . import LvmConfiguration, LvmVolume
+from ..disk import (
+	DeviceModification,
+	DiskLayoutConfiguration,
+	PartitionModification,
+	DiskEncryption,
+	EncryptionType
+)
+from ..menu import (
+	Selector,
+	AbstractSubMenu,
+	MenuSelectionType,
+	TableMenu
+)
+from ..interactions.utils import get_password
+from ..menu import Menu
+from ..general import secret
+from .fido import Fido2Device, Fido2
+from ..output import FormattedOutput
+
+if TYPE_CHECKING:
+	_: Any
+
+
+class DiskEncryptionMenu(AbstractSubMenu):
+	def __init__(
+		self,
+		disk_config: DiskLayoutConfiguration,
+		data_store: Dict[str, Any],
+		preset: Optional[DiskEncryption] = None
+	):
+		if preset:
+			self._preset = preset
+		else:
+			self._preset = DiskEncryption()
+
+		self._disk_config = disk_config
+		super().__init__(data_store=data_store)
+
+	def setup_selection_menu_options(self):
+		self._menu_options['encryption_type'] = \
+			Selector(
+				_('Encryption type'),
+				func=lambda preset: select_encryption_type(self._disk_config, preset),
+				display_func=lambda x: EncryptionType.type_to_text(x) if x else None,
+				default=self._preset.encryption_type,
+				enabled=True,
+			)
+		self._menu_options['encryption_password'] = \
+			Selector(
+				_('Encryption password'),
+				lambda x: select_encrypted_password(),
+				dependencies=[self._check_dep_enc_type],
+				display_func=lambda x: secret(x) if x else '',
+				default=self._preset.encryption_password,
+				enabled=True
+			)
+		self._menu_options['partitions'] = \
+			Selector(
+				_('Partitions'),
+				func=lambda preset: select_partitions_to_encrypt(self._disk_config.device_modifications, preset),
+				display_func=lambda x: f'{len(x)} {_("Partitions")}' if x else None,
+				dependencies=[self._check_dep_partitions],
+				default=self._preset.partitions,
+				preview_func=self._prev_partitions,
+				enabled=True
+			)
+		self._menu_options['lvm_vols'] = \
+			Selector(
+				_('LVM volumes'),
+				func=lambda preset: self._select_lvm_vols(preset),
+				display_func=lambda x: f'{len(x)} {_("LVM volumes")}' if x else None,
+				dependencies=[self._check_dep_lvm_vols],
+				default=self._preset.lvm_volumes,
+				preview_func=self._prev_lvm_vols,
+				enabled=True
+			)
+		self._menu_options['HSM'] = \
+			Selector(
+				description=_('Use HSM to unlock encrypted drive'),
+				func=lambda preset: select_hsm(preset),
+				display_func=lambda x: self._display_hsm(x),
+				preview_func=self._prev_hsm,
+				dependencies=[self._check_dep_enc_type],
+				default=self._preset.hsm_device,
+				enabled=True
+			)
+
+	def _select_lvm_vols(self, preset: List[LvmVolume]) -> List[LvmVolume]:
+		if self._disk_config.lvm_config:
+			return select_lvm_vols_to_encrypt(self._disk_config.lvm_config, preset=preset)
+		return []
+
+	def _check_dep_enc_type(self) -> bool:
+		enc_type: Optional[EncryptionType] = self._menu_options['encryption_type'].current_selection
+		if enc_type and enc_type != EncryptionType.NoEncryption:
+			return True
+		return False
+
+	def _check_dep_partitions(self) -> bool:
+		enc_type: Optional[EncryptionType] = self._menu_options['encryption_type'].current_selection
+		if enc_type and enc_type in [EncryptionType.Luks, EncryptionType.LvmOnLuks]:
+			return True
+		return False
+
+	def _check_dep_lvm_vols(self) -> bool:
+		enc_type: Optional[EncryptionType] = self._menu_options['encryption_type'].current_selection
+		if enc_type and enc_type == EncryptionType.LuksOnLvm:
+			return True
+		return False
+
+	def run(self, allow_reset: bool = True) -> Optional[DiskEncryption]:
+		super().run(allow_reset=allow_reset)
+
+		enc_type = self._data_store.get('encryption_type', None)
+		enc_password = self._data_store.get('encryption_password', None)
+		enc_partitions = self._data_store.get('partitions', None)
+		enc_lvm_vols = self._data_store.get('lvm_vols', 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._data_store.get('HSM', None)
+			)
+
+		return None
+
+	def _display_hsm(self, device: Optional[Fido2Device]) -> Optional[str]:
+		if device:
+			return device.manufacturer
+
+		return None
+
+	def _prev_partitions(self) -> Optional[str]:
+		partitions: Optional[List[PartitionModification]] = self._menu_options['partitions'].current_selection
+		if partitions:
+			output = str(_('Partitions to be encrypted')) + '\n'
+			output += FormattedOutput.as_table(partitions)
+			return output.rstrip()
+
+		return None
+
+	def _prev_lvm_vols(self) -> Optional[str]:
+		volumes: Optional[List[PartitionModification]] = self._menu_options['lvm_vols'].current_selection
+		if volumes:
+			output = str(_('LVM volumes to be encrypted')) + '\n'
+			output += FormattedOutput.as_table(volumes)
+			return output.rstrip()
+
+		return None
+
+	def _prev_hsm(self) -> Optional[str]:
+		try:
+			Fido2.get_fido2_devices()
+		except ValueError:
+			return str(_('Unable to determine fido2 devices. Is libfido2 installed?'))
+
+		fido_device: Optional[Fido2Device] = self._menu_options['HSM'].current_selection
+
+		if fido_device:
+			output = '{}: {}'.format(str(_('Path')), fido_device.path)
+			output += '{}: {}'.format(str(_('Manufacturer')), fido_device.manufacturer)
+			output += '{}: {}'.format(str(_('Product')), fido_device.product)
+			return output
+
+		return None
+
+
+def select_encryption_type(disk_config: DiskLayoutConfiguration, preset: EncryptionType) -> Optional[EncryptionType]:
+	title = str(_('Select disk encryption option'))
+
+	if disk_config.lvm_config:
+		options = [
+			EncryptionType.type_to_text(EncryptionType.LvmOnLuks),
+			EncryptionType.type_to_text(EncryptionType.LuksOnLvm)
+		]
+	else:
+		options = [EncryptionType.type_to_text(EncryptionType.Luks)]
+
+	preset_value = EncryptionType.type_to_text(preset)
+
+	choice = Menu(title, options, preset_values=preset_value).run()
+
+	match choice.type_:
+		case MenuSelectionType.Reset: return None
+		case MenuSelectionType.Skip: return preset
+		case MenuSelectionType.Selection: return EncryptionType.text_to_type(choice.value)  # type: ignore
+
+
+def select_encrypted_password() -> Optional[str]:
+	if passwd := get_password(prompt=str(_('Enter disk encryption password (leave blank for no encryption): '))):
+		return passwd
+	return None
+
+
+def select_hsm(preset: Optional[Fido2Device] = None) -> Optional[Fido2Device]:
+	title = _('Select a FIDO2 device to use for HSM')
+
+	try:
+		fido_devices = Fido2.get_fido2_devices()
+	except ValueError:
+		return None
+
+	if fido_devices:
+		choice = TableMenu(title, data=fido_devices).run()
+		match choice.type_:
+			case MenuSelectionType.Reset:
+				return None
+			case MenuSelectionType.Skip:
+				return preset
+			case MenuSelectionType.Selection:
+				return choice.value  # type: ignore
+
+	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 += list(filter(lambda x: x.mountpoint != Path('/boot'), mod.partitions))
+
+	# do not allow encrypting existing partitions that are not marked as wipe
+	avail_partitions = list(filter(lambda x: not x.exists(), partitions))
+
+	if avail_partitions:
+		title = str(_('Select which partitions to encrypt'))
+		partition_table = FormattedOutput.as_table(avail_partitions)
+
+		choice = TableMenu(
+			title,
+			table_data=(avail_partitions, partition_table),
+			preset=preset,
+			multi=True
+		).run()
+
+		match choice.type_:
+			case MenuSelectionType.Reset:
+				return []
+			case MenuSelectionType.Skip:
+				return preset
+			case MenuSelectionType.Selection:
+				return choice.multi_value
+	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:
+		title = str(_('Select which LVM volumes to encrypt'))
+		partition_table = FormattedOutput.as_table(volumes)
+
+		choice = TableMenu(
+			title,
+			table_data=(volumes, partition_table),
+			preset=preset,
+			multi=True
+		).run()
+
+		match choice.type_:
+			case MenuSelectionType.Reset:
+				return []
+			case MenuSelectionType.Skip:
+				return preset
+			case MenuSelectionType.Selection:
+				return choice.multi_value
+
+	return []