137 lines
4.2 KiB
Python
137 lines
4.2 KiB
Python
# Copyright (C) 2010-2024 RhodeCode GmbH
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License, version 3
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# (only), as published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# This program is dual-licensed. If you wish to learn more about the
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# RhodeCode Enterprise Edition, including its added features, Support services,
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# and proprietary license terms, please see https://rhodecode.com/licenses/
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import pytest
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from rhodecode.lib.encrypt import AESCipher, InvalidDecryptedValue
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from rhodecode.lib import enc_utils
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from rhodecode.lib.str_utils import safe_str
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from rhodecode.lib.exceptions import SignatureVerificationError
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@pytest.mark.parametrize(
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"algo",
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["fernet", "aes"],
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)
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@pytest.mark.parametrize(
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"key, text",
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[
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(b"a", "short"),
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(b"a" * 64, "too long(trimmed to 32)"),
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(b"a" * 32, "just enough"),
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("ąćęćę", "non asci"),
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("$asa$asa", "special $ used"),
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],
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)
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@pytest.mark.parametrize(
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"strict_mode",
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[True, False],
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)
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def test_common_encryption_module(algo, key, text, strict_mode):
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encrypted = enc_utils.encrypt_value(text, algo=algo, enc_key=key)
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decrypted = enc_utils.decrypt_value(encrypted, algo=algo, enc_key=key, strict_mode=strict_mode)
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assert text == safe_str(decrypted)
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@pytest.mark.parametrize(
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"algo",
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["fernet", "aes"],
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)
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def test_encryption_with_bad_key(algo):
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key = b"secretstring"
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text = b"ihatemysql"
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encrypted = enc_utils.encrypt_value(text, algo=algo, enc_key=key)
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decrypted = enc_utils.decrypt_value(encrypted, algo=algo, enc_key=b"different-key", strict_mode=False)
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assert decrypted[:22] == "<InvalidDecryptedValue"
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@pytest.mark.parametrize(
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"algo",
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["fernet", "aes"],
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)
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def test_encryption_with_bad_key_raises(algo):
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key = b"secretstring"
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text = b"ihatemysql"
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encrypted = enc_utils.encrypt_value(text, algo=algo, enc_key=key)
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with pytest.raises(SignatureVerificationError) as e:
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enc_utils.decrypt_value(encrypted, algo=algo, enc_key=b"different-key", strict_mode=True)
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assert "InvalidDecryptedValue" in str(e)
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@pytest.mark.parametrize(
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"algo",
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["fernet", "aes"],
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)
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def test_encryption_with_bad_format_data(algo):
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key = b"secret"
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text = b"ihatemysql"
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encrypted = enc_utils.encrypt_value(text, algo=algo, enc_key=key)
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encrypted = b"$xyz" + encrypted[3:]
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with pytest.raises(ValueError) as e:
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enc_utils.decrypt_value(encrypted, algo=algo, enc_key=key, strict_mode=True)
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assert "Encrypted Data has invalid format" in str(e)
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@pytest.mark.parametrize(
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"algo",
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["fernet", "aes"],
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)
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def test_encryption_with_bad_data(algo):
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key = b"secret"
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text = b"ihatemysql"
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encrypted = enc_utils.encrypt_value(text, algo=algo, enc_key=key)
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encrypted = encrypted[:-5]
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with pytest.raises(SignatureVerificationError) as e:
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enc_utils.decrypt_value(encrypted, algo=algo, enc_key=key, strict_mode=True)
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assert "SignatureVerificationError" in str(e)
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def test_encryption_with_hmac():
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key = b"secret"
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text = b"ihatemysql"
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enc = AESCipher(key, hmac=True).encrypt(text)
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assert AESCipher(key, hmac=True).decrypt(enc) == text
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def test_encryption_with_hmac_with_bad_data():
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key = b"secret"
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text = b"ihatemysql"
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enc = AESCipher(key, hmac=True).encrypt(text)
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enc = b"xyz" + enc[3:]
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with pytest.raises(SignatureVerificationError) as e:
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assert AESCipher(key, hmac=True).decrypt(enc, safe=False) == text
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assert "SignatureVerificationError" in str(e)
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def test_encryption_with_hmac_with_bad_key_not_strict():
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key = b"secretstring"
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text = b"ihatemysql"
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enc = AESCipher(key, hmac=True).encrypt(text)
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decrypted = AESCipher(b"differentsecret", hmac=True, strict_verification=False).decrypt(enc)
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assert isinstance(decrypted, InvalidDecryptedValue)
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