mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-27 01:48:17 +00:00
121 lines
3.3 KiB
Python
121 lines
3.3 KiB
Python
import os
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import click
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from mnemonic import Mnemonic
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from . import device
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from .exceptions import Cancelled
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from .messages import PinMatrixRequestType, WordRequestType
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PIN_MATRIX_DESCRIPTION = """
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Use the numeric keypad to describe number positions. The layout is:
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7 8 9
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4 5 6
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1 2 3
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""".strip()
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RECOVERY_MATRIX_DESCRIPTION = """
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Use the numeric keypad to describe positions.
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For the word list use only left and right keys.
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Use backspace to correct an entry.
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The keypad layout is:
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7 8 9 7 | 9
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4 5 6 4 | 6
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1 2 3 1 | 3
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""".strip()
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PIN_GENERIC = None
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PIN_CURRENT = PinMatrixRequestType.Current
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PIN_NEW = PinMatrixRequestType.NewFirst
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PIN_CONFIRM = PinMatrixRequestType.NewSecond
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class ClickUI:
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@staticmethod
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def button_request(code):
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click.echo("Please confirm action on your Trezor device")
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@staticmethod
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def get_pin(code=None):
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if code == PIN_CURRENT:
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desc = "current PIN"
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elif code == PIN_NEW:
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desc = "new PIN"
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elif code == PIN_CONFIRM:
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desc = "new PIN again"
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else:
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desc = "PIN"
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click.echo(PIN_MATRIX_DESCRIPTION)
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while True:
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pin = click.prompt("Please enter {}".format(desc), hide_input=True)
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if not pin.isdigit():
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click.echo("Non-numerical PIN provided, please try again")
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else:
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return pin
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@staticmethod
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def get_passphrase():
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if os.getenv("PASSPHRASE") is not None:
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click.echo("Passphrase required. Using PASSPHRASE environment variable.")
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return os.getenv("PASSPHRASE")
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while True:
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passphrase = click.prompt("Passphrase required", hide_input=True)
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second = click.prompt("Confirm your passphrase", hide_input=True)
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if passphrase == second:
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return passphrase
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else:
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click.echo("Passphrase did not match. Please try again.")
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def mnemonic_words(expand=False, language="english"):
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if expand:
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wordlist = Mnemonic(language).wordlist
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else:
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wordlist = set()
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def expand_word(word):
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if not expand:
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return word
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if word in wordlist:
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return word
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matches = [w for w in wordlist if w.startswith(word)]
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if len(matches) == 1:
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return word
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click.echo("Choose one of: " + ", ".join(matches))
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raise KeyError(word)
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def get_word(type):
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assert type == WordRequestType.Plain
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while True:
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try:
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word = click.prompt("Enter one word of mnemonic")
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return expand_word(word)
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except KeyError:
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pass
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except (KeyboardInterrupt, click.Abort):
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raise Cancelled from None
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return get_word
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def matrix_words(type):
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while True:
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try:
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ch = click.getchar()
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except (KeyboardInterrupt, EOFError):
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raise Cancelled from None
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if ch in "\x04\x1b":
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# Ctrl+D, Esc
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raise Cancelled
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if ch in "\x08\x7f":
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# Backspace, Del
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return device.RECOVERY_BACK
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if type == WordRequestType.Matrix6 and ch in "147369":
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return ch
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if type == WordRequestType.Matrix9 and ch in "123456789":
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return ch
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