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# etoolkit
# Copyright (C) 2021-2024 Simeon Simeonov
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""Tests for etoolkit.EtoolkitInstance static methods"""
import unittest.mock
import pytest
import etoolkit
@unittest.mock.patch('getpass.getpass')
def test_confirm_password_prompt(getpass, password_hash):
"""Tests the static EtoolkitInstance.confirm_password_prompt method"""
getpass.return_value = 'The very secret passwd'
assert (
etoolkit.EtoolkitInstance.confirm_password_prompt(password_hash)
== 'The very secret passwd'
)
assert (
etoolkit.EtoolkitInstance.confirm_password_prompt(password_hash, False)
== 'The very secret passwd'
)
def test_decrypt_v1():
"""Tests the static EtoolkitInstance.decrypt method"""
assert (
etoolkit.EtoolkitInstance.decrypt(
'The very secret passwd',
(
'enc-val$1$/cXpEMoZrTlb9yokGhw8tLTSUkqnqJ4ZoAkurNgMYx'
'w=$1VdkSMcZnLRwLiu1M8VlYcbelwmiVNY='
),
)
== 'secret1'
)
# now test with modified edata
edata = (
'enc-val$1$/cXpEMoZrTlb9yokGhw8tLTSUkqnqJ5ZoAkurNgMYx'
'w=$1VdkSMcZnLRwLiu1M8VlYcbelwmiVNY='
)
with pytest.raises(etoolkit.EtoolkitInstanceError) as exc_info:
etoolkit.EtoolkitInstance.decrypt('The very secret passwd', edata)
assert exc_info.type is etoolkit.EtoolkitInstanceError
assert exc_info.value.args[0] == f'Invalid tag when decrypting: {edata}'
def test_decrypt_v2_no_padding():
"""Tests the static EtoolkitInstance.decrypt method for v2 - no padding"""
assert (
etoolkit.EtoolkitInstance.decrypt(
'The very secret passwd',
(
'enc-val$2$Wer5lECGyeZhhYS58N18WVx5Zzy+rrC+BPlq3Dw89wQ=$'
'SQc0ox6Emf2m5rrumsiptpIZEujdpXXSR/'
'1VcfEZeBz4+KDSagr9ID+bkc4R2yFdxHnhig1eqQ8='
),
)
== 'Nobody expects the Spanish inquisition'
)
# now test with modified edata
edata = (
'enc-val$2$Wer5lECGyeZhhYS58N18WVx5Zzy+rrC+BPlq3Dw89wQ=$'
'SQc0ox6Emf2m4rrumsiptpIZEujdpXXSR/'
'1VcfEZeBz4+KDSagr9ID+bkc4R2yFdxHnhig1eqQ8='
)
with pytest.raises(etoolkit.EtoolkitInstanceError) as exc_info:
etoolkit.EtoolkitInstance.decrypt('The very secret passwd', edata)
assert exc_info.type is etoolkit.EtoolkitInstanceError
assert exc_info.value.args[0] == f'Invalid tag when decrypting: {edata}'
def test_decrypt_v2_with_padding():
"""Tests the static EtoolkitInstance.decrypt method for v2 with padding"""
assert (
etoolkit.EtoolkitInstance.decrypt(
'The very secret passwd',
(
'enc-val$2$//kzyUbDEWNoPC5dyukhB8de8+IVaLR2ngx2HwkfOuM=$'
'rhRona4wP9nhnXjcHqwkjFDsiVVVjYanAs'
'N4kknNkgC0ix4RtJQHYDeTzw1rrR1vb2w='
),
)
== 'secret1'
)
# now test with modified edata
edata = (
'enc-val$2$//kzyUbDEWNoPC5dyukhB8de8+IVaLR2ngx2HwkfOuM=$'
'rhRona4wP8nhnXjcHqwkjFDsiVVVjYanAsN4kknNkgC0ix4RtJQHYDeTzw1rrR1vb2w='
)
with pytest.raises(etoolkit.EtoolkitInstanceError) as exc_info:
etoolkit.EtoolkitInstance.decrypt('The very secret passwd', edata)
assert exc_info.type is etoolkit.EtoolkitInstanceError
assert exc_info.value.args[0] == f'Invalid tag when decrypting: {edata}'
def test_encrypt_no_padding():
"""Tests the static EtoolkitInstance.encrypt method with a long string"""
edata = etoolkit.EtoolkitInstance.encrypt(
'foo', 'Nobody expects the Spanish inquisition'
)
assert edata.startswith('enc-val$2$')
assert len(edata) == 131
# the edata should always be different because of random salting
assert edata != etoolkit.EtoolkitInstance.encrypt(
'foo', 'Nobody expects the Spanish inquisition'
)
def test_encrypt_with_padding():
"""Tests the static EtoolkitInstance.encrypt method with a short string"""
edata = etoolkit.EtoolkitInstance.encrypt('foo', 'bar')
assert edata.startswith('enc-val$2$')
assert len(edata) == 123
# the edata should always be different because of random salting
assert edata != etoolkit.EtoolkitInstance.encrypt('foo', 'bar')
@unittest.mock.patch('os.urandom')
def test_encrypt_staticly_no_padding(urandom, non_random_bytes_32):
"""Tests the EtoolkitInstance.encrypt method always with the same salt"""
urandom.return_value = non_random_bytes_32
edata = etoolkit.EtoolkitInstance.encrypt(
'The very secret passwd', 'Nobody expects the Spanish inquisition'
)
assert edata == (
'enc-val$2$uYpZM1VfAGq0CDZL2duITs076CQj+hIFEgx+F4mn80o=$'
'UX/5YeRsh5/2vZ2J1UOS+BJti73Kbp6C1pJmC'
'o8hFSujpe35X/XpzAiYv4BV1LNwnSYECsotsgs='
)
assert len(edata) == 131
assert edata == etoolkit.EtoolkitInstance.encrypt(
'The very secret passwd', 'Nobody expects the Spanish inquisition'
)
@unittest.mock.patch('os.urandom')
def test_encrypt_staticly_with_padding(urandom, non_random_bytes_61):
"""Tests the EtoolkitInstance.encrypt method always with the same salt"""
urandom.return_value = non_random_bytes_61
edata = etoolkit.EtoolkitInstance.encrypt('The very secret passwd', 'bar')
assert edata == (
'enc-val$2$RCSZqq9pWrRDoCVYVHopyu1LzaJGfv8roVviqrLTBxM=$'
'+Yo6Ya2MAVcBLTQHuATkyFc+dzYsL/ESvA6ofOUDsiKZvIff35cUHAmoNxVuGG+MXv4='
)
assert edata == etoolkit.EtoolkitInstance.encrypt(
'The very secret passwd', 'bar'
)
def test_get_new_password_hash():
"""Tests the static EtoolkitInstance.get_new_password_hash method"""
new_hash = etoolkit.EtoolkitInstance.get_new_password_hash(
'The very secret passwd'
)
# all pbkdf2 params are the same / hardcoded for the time being
assert new_hash.startswith('pbkdf2_sha256$500000$')
assert len(new_hash) == 110
# the hash should always be different because of random salting
assert new_hash != etoolkit.EtoolkitInstance.get_new_password_hash(
'The very secret passwd'
)
def test_parse_value():
"""Tests the static EtoolkitInstance.parse_value method"""
assert (
etoolkit.EtoolkitInstance.parse_value('t%bs%t', {'%b': 'e', '%t': 't'})
== 'test'
)
def test_password_matches(password_hash):
"""Tests the static EtoolkitInstance.password_matches method"""
assert etoolkit.EtoolkitInstance.password_matches(
'The very secret passwd', password_hash
)
assert not etoolkit.EtoolkitInstance.password_matches(
'The very secret passwdo', password_hash
)
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