mirror of
https://github.com/trezor/trezor-firmware.git
synced 2025-07-08 07:38:11 +00:00
79 lines
2.6 KiB
Python
79 lines
2.6 KiB
Python
import storage.sd_salt
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from storage.sd_salt import SD_CARD_HOT_SWAPPABLE
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from trezor import io, ui, wire
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from trezor.ui.text import Text
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from apps.common.confirm import confirm
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if False:
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from typing import Optional
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class SdProtectCancelled(wire.ProcessError):
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pass
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async def _wrong_card_dialog(ctx: wire.GenericContext) -> bool:
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text = Text("SD card protection", ui.ICON_WRONG)
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text.bold("Wrong SD card.")
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text.br_half()
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if SD_CARD_HOT_SWAPPABLE:
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text.normal("Please insert the", "correct SD card for", "this device.")
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btn_confirm = "Retry" # type: Optional[str]
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btn_cancel = "Abort"
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else:
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text.normal("Please unplug the", "device and insert the", "correct SD card.")
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btn_confirm = None
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btn_cancel = "Close"
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return await confirm(ctx, text, confirm=btn_confirm, cancel=btn_cancel)
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async def insert_card_dialog(ctx: wire.GenericContext) -> bool:
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text = Text("SD card protection", ui.ICON_WRONG)
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text.bold("SD card required.")
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text.br_half()
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if SD_CARD_HOT_SWAPPABLE:
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text.normal("Please insert your", "SD card.")
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btn_confirm = "Retry" # type: Optional[str]
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btn_cancel = "Abort"
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else:
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text.normal("Please unplug the", "device and insert your", "SD card.")
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btn_confirm = None
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btn_cancel = "Close"
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return await confirm(ctx, text, confirm=btn_confirm, cancel=btn_cancel)
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async def sd_problem_dialog(ctx: wire.GenericContext) -> bool:
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text = Text("SD card protection", ui.ICON_WRONG, ui.RED)
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text.normal("There was a problem", "accessing the SD card.")
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return await confirm(ctx, text, confirm="Retry", cancel="Abort")
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async def ensure_sd_card(ctx: wire.GenericContext) -> None:
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sd = io.SDCard()
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while not sd.present():
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if not await insert_card_dialog(ctx):
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raise SdProtectCancelled("SD card required.")
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async def request_sd_salt(
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ctx: wire.GenericContext = wire.DUMMY_CONTEXT
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) -> Optional[bytearray]:
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while True:
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await ensure_sd_card(ctx)
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try:
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return storage.sd_salt.load_sd_salt()
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except storage.sd_salt.WrongSdCard:
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if not await _wrong_card_dialog(ctx):
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raise SdProtectCancelled("Wrong SD card.")
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except OSError:
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# Either the SD card did not power on, or the filesystem could not be
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# mounted (card is not formatted?), or there is a staged salt file and
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# we could not commit it.
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# In either case, there is no good way to recover. If the user clicks Retry,
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# we will try again.
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if not await sd_problem_dialog(ctx):
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raise
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