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trezor-firmware/src/apps/homescreen/__init__.py
2018-07-10 13:05:15 +02:00

71 lines
2.4 KiB
Python

from trezor import config, utils, wire
from trezor.messages import MessageType
from trezor.messages.Features import Features
from trezor.messages.Success import Success
from trezor.wire import protobuf_workflow, register
from apps.common import cache, storage
def get_features():
f = Features()
f.vendor = 'trezor.io'
f.language = 'english'
f.major_version = utils.symbol('VERSION_MAJOR')
f.minor_version = utils.symbol('VERSION_MINOR')
f.patch_version = utils.symbol('VERSION_PATCH')
f.revision = utils.symbol('GITREV')
f.model = utils.model()
if f.model == 'EMU':
f.model = 'T' # emulator currently emulates model T
f.device_id = storage.get_device_id()
f.label = storage.get_label()
f.initialized = storage.is_initialized()
f.pin_protection = config.has_pin()
f.pin_cached = config.has_pin()
f.passphrase_protection = storage.has_passphrase()
f.passphrase_cached = cache.has_passphrase()
f.needs_backup = storage.needs_backup()
f.unfinished_backup = storage.unfinished_backup()
f.flags = storage.get_flags()
return f
async def handle_Initialize(ctx, msg):
if msg.state is None or msg.state != cache.get_state(prev_state=bytes(msg.state)):
cache.clear(msg.skip_passphrase)
return get_features()
async def handle_GetFeatures(ctx, msg):
return get_features()
async def handle_Cancel(ctx, msg):
raise wire.ActionCancelled('Cancelled')
async def handle_ClearSession(ctx, msg):
cache.clear()
return Success(message='Session cleared')
async def handle_Ping(ctx, msg):
if msg.button_protection:
from apps.common.confirm import require_confirm
from trezor.messages.ButtonRequestType import ProtectCall
from trezor.ui.text import Text
await require_confirm(ctx, Text('Confirm'), ProtectCall)
if msg.passphrase_protection:
from apps.common.request_passphrase import protect_by_passphrase
await protect_by_passphrase(ctx)
return Success(message=msg.message)
def boot():
register(MessageType.Initialize, protobuf_workflow, handle_Initialize)
register(MessageType.GetFeatures, protobuf_workflow, handle_GetFeatures)
register(MessageType.Cancel, protobuf_workflow, handle_Cancel)
register(MessageType.ClearSession, protobuf_workflow, handle_ClearSession)
register(MessageType.Ping, protobuf_workflow, handle_Ping)