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typing

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This commit is contained in:
emdee
2023-12-11 15:06:07 +00:00
parent da3602293a
commit 9c9ce9fec8
2 changed files with 65 additions and 56 deletions
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34
wrapper/toxencryptsave.py
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@@ -2,10 +2,12 @@
try:
from wrapper import libtox
from wrapper.toxencryptsave_enums_and_consts import *
#? from wrapper.toxencryptsave_enums_and_consts import *
import wrapper.toxencryptsave_enums_and_consts as enum
except:
import libtox
from toxencryptsave_enums_and_consts import *
#? from toxencryptsave_enums_and_consts import *
import toxencryptsave_enums_and_consts as enum
from ctypes import (ArgumentError, byref, c_bool, c_char_p, c_int, c_size_t,
create_string_buffer)
@@ -31,7 +33,7 @@ class ToxEncryptSave:
:return: output array
"""
out = create_string_buffer(len(data) + TOX_PASS_ENCRYPTION_EXTRA_LENGTH)
out = create_string_buffer(len(data) + enum.TOX_PASS_ENCRYPTION_EXTRA_LENGTH)
tox_err_encryption = c_int()
if type(password) != bytes:
password = bytes(password, 'utf-8')
@@ -42,17 +44,17 @@ class ToxEncryptSave:
out,
byref(tox_err_encryption))
tox_err_encryption = tox_err_encryption.value
if tox_err_encryption == TOX_ERR_ENCRYPTION['OK']:
if tox_err_encryption == enum.TOX_ERR_ENCRYPTION['OK']:
return out[:]
elif tox_err_encryption == TOX_ERR_ENCRYPTION['NULL']:
elif tox_err_encryption == enum.TOX_ERR_ENCRYPTION['NULL']:
raise ArgumentError('Some input data, or maybe the output pointer, was null.')
elif tox_err_encryption == TOX_ERR_ENCRYPTION['KEY_DERIVATION_FAILED']:
elif tox_err_encryption == enum.TOX_ERR_ENCRYPTION['KEY_DERIVATION_FAILED']:
raise RuntimeError('The crypto lib was unable to derive a key from the given passphrase, which is usually a'
' lack of memory issue. The functions accepting keys do not produce this error.')
elif tox_err_encryption == TOX_ERR_ENCRYPTION['FAILED']:
elif tox_err_encryption == enum.TOX_ERR_ENCRYPTION['FAILED']:
raise RuntimeError('The encryption itself failed.')
def pass_decrypt(self, data, password) -> bytes:
def pass_decrypt(self, data: bytes, password: str) -> bytes:
"""
Decrypts the given data with the given password.
@@ -60,25 +62,27 @@ class ToxEncryptSave:
"""
out = create_string_buffer(len(data) - TOX_PASS_ENCRYPTION_EXTRA_LENGTH)
tox_err_decryption = c_int()
if type(password) != bytes:
password = bytes(password, 'utf-8')
self.libtoxencryptsave.tox_pass_decrypt(c_char_p(bytes(data)),
c_size_t(len(data)),
c_char_p(bytes(password, 'utf-8')),
c_char_p(password),
c_size_t(len(password)),
out,
byref(tox_err_decryption))
tox_err_decryption = tox_err_decryption.value
if tox_err_decryption == TOX_ERR_DECRYPTION['OK']:
if tox_err_decryption == enum.TOX_ERR_DECRYPTION['OK']:
return bytes(out[:])
elif tox_err_decryption == TOX_ERR_DECRYPTION['NULL']:
elif tox_err_decryption == enum.TOX_ERR_DECRYPTION['NULL']:
raise ArgumentError('Some input data, or maybe the output pointer, was null.')
elif tox_err_decryption == TOX_ERR_DECRYPTION['INVALID_LENGTH']:
elif tox_err_decryption == enum.TOX_ERR_DECRYPTION['INVALID_LENGTH']:
raise ArgumentError('The input data was shorter than TOX_PASS_ENCRYPTION_EXTRA_LENGTH bytes')
elif tox_err_decryption == TOX_ERR_DECRYPTION['BAD_FORMAT']:
elif tox_err_decryption == enum.TOX_ERR_DECRYPTION['BAD_FORMAT']:
raise ArgumentError('The input data is missing the magic number (i.e. wasn\'t created by this module, or is'
' corrupted)')
elif tox_err_decryption == TOX_ERR_DECRYPTION['KEY_DERIVATION_FAILED']:
elif tox_err_decryption == enum.TOX_ERR_DECRYPTION['KEY_DERIVATION_FAILED']:
raise RuntimeError('The crypto lib was unable to derive a key from the given passphrase, which is usually a'
' lack of memory issue. The functions accepting keys do not produce this error.')
elif tox_err_decryption == TOX_ERR_DECRYPTION['FAILED']:
elif tox_err_decryption == enum.TOX_ERR_DECRYPTION['FAILED']:
raise RuntimeError('The encrypted byte array could not be decrypted. Either the data was corrupt or the '
'password/key was incorrect.')