mirror of
https://git.selfprivacy.org/SelfPrivacy/selfprivacy-rest-api.git
synced 2025-01-11 18:39:30 +00:00
refactor(dkim): do not use popen
This commit is contained in:
Houkime
parent
2f25329c43
commit
bcbe1ff50c
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@ -13,6 +13,7 @@ USERDATA_FILE = "/etc/nixos/userdata/userdata.json"
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TOKENS_FILE = "/etc/nixos/userdata/tokens.json"
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JOBS_FILE = "/etc/nixos/userdata/jobs.json"
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DOMAIN_FILE = "/var/domain"
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DKIM_DIR = "/var/dkim/"
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class UserDataFiles(Enum):
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@ -167,27 +168,31 @@ def parse_date(date_str: str) -> datetime.datetime:
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raise ValueError("Invalid date string")
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def parse_dkim(dkim: str) -> str:
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# extract key from file
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dkim = dkim.split("(")[1]
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dkim = dkim.split(")")[0]
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# replace all quotes with nothing
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dkim = dkim.replace('"', "")
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# trim whitespace, remove newlines and tabs
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dkim = dkim.strip()
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dkim = dkim.replace("\n", "")
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dkim = dkim.replace("\t", "")
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# remove all redundant spaces
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dkim = " ".join(dkim.split())
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return dkim
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def get_dkim_key(domain: str, parse: bool = True) -> typing.Optional[str]:
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"""Get DKIM key from /var/dkim/<domain>.selector.txt"""
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if os.path.exists("/var/dkim/" + domain + ".selector.txt"):
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# Is this really neccessary to use Popen here?
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cat_process = subprocess.Popen(
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["cat", "/var/dkim/" + domain + ".selector.txt"], stdout=subprocess.PIPE
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)
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dkim = cat_process.communicate()[0]
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dkim_path = os.path.join(DKIM_DIR, domain + ".selector.txt")
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if os.path.exists(dkim_path):
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with open(dkim_path, encoding="utf-8") as dkim_file:
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dkim = dkim_file.read()
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if parse:
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# Extract key from file
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dkim = dkim.split(b"(")[1]
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dkim = dkim.split(b")")[0]
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# Replace all quotes with nothing
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dkim = dkim.replace(b'"', b"")
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# Trim whitespace, remove newlines and tabs
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dkim = dkim.strip()
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dkim = dkim.replace(b"\n", b"")
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dkim = dkim.replace(b"\t", b"")
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# Remove all redundant spaces
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dkim = b" ".join(dkim.split())
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return str(dkim, "utf-8")
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dkim = parse_dkim(dkim)
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return dkim
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return None
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@ -1,68 +1,30 @@
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import pytest
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import typing
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import os
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from os import path
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from unittest.mock import DEFAULT
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from tests.conftest import global_data_dir
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from selfprivacy_api.utils import get_dkim_key, get_domain
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import selfprivacy_api.utils as utils
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###############################################################################
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class ProcessMock:
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"""Mock subprocess.Popen"""
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def __init__(self, args, **kwargs):
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self.args = args
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self.kwargs = kwargs
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def communicate():
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return (
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b'selector._domainkey\tIN\tTXT\t( "v=DKIM1; k=rsa; "\n\t "p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDNn/IhEz1SxgHxxxI8vlPYC2dNueiLe1GC4SYz8uHimC8SDkMvAwm7rqi2SimbFgGB5nccCNOqCkrIqJTCB9vufqBnVKAjshHqpOr5hk4JJ1T/AGQKWinstmDbfTLPYTbU8ijZrwwGeqQLlnXR5nSN0GB9GazheA9zaPsT6PV+aQIDAQAB" ) ; ----- DKIM key selector for test-domain.tld\n',
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None,
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)
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class NoFileMock(ProcessMock):
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def communicate():
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return (b"", None)
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def _path_exists_with_masked_paths(filepath, masked_paths: typing.List[str]):
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if filepath in masked_paths:
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return False
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else:
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# this will cause the mocker to return the standard path.exists output
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# see https://docs.python.org/3/library/unittest.mock.html#unittest.mock.Mock.side_effect
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return DEFAULT
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def path_exists_func_but_with_masked_paths(masked_paths: typing.List[str]):
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"""
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Sometimes we do not want to pretend that no files exist at all, but that only specific files do not exist
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This provides the needed path.exists function for some arbitrary list of masked paths
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"""
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return lambda x: _path_exists_with_masked_paths(x, masked_paths)
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DKIM_FILE_CONTENT = b'selector._domainkey\tIN\tTXT\t( "v=DKIM1; k=rsa; "\n\t "p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDNn/IhEz1SxgHxxxI8vlPYC2dNueiLe1GC4SYz8uHimC8SDkMvAwm7rqi2SimbFgGB5nccCNOqCkrIqJTCB9vufqBnVKAjshHqpOr5hk4JJ1T/AGQKWinstmDbfTLPYTbU8ijZrwwGeqQLlnXR5nSN0GB9GazheA9zaPsT6PV+aQIDAQAB" ) ; ----- DKIM key selector for test-domain.tld\n'
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@pytest.fixture
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def mock_all_paths_exist(mocker):
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mock = mocker.patch("os.path.exists", autospec=True, return_value=True)
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return mock
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def dkim_file(mocker, domain_file, tmpdir):
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domain = get_domain()
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assert domain is not None
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assert domain != ""
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filename = domain + ".selector.txt"
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dkim_path = path.join(tmpdir, filename)
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@pytest.fixture
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def mock_subproccess_popen_dkimfile(mocker):
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mock = mocker.patch("subprocess.Popen", autospec=True, return_value=ProcessMock)
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return mock
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with open(dkim_path, "wb") as file:
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file.write(DKIM_FILE_CONTENT)
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@pytest.fixture
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def mock_subproccess_popen(mocker):
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mock = mocker.patch("subprocess.Popen", autospec=True, return_value=NoFileMock)
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return mock
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mocker.patch("selfprivacy_api.utils.DKIM_DIR", tmpdir)
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return dkim_path
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@pytest.fixture
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@ -74,46 +36,25 @@ def domain_file(mocker):
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@pytest.fixture
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def mock_no_dkim_file(mocker):
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"""
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Should have domain mocks
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"""
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domain = utils.get_domain()
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# try:
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# domain = get_domain()
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# except Exception as e:
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# domain = ""
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masked_files = ["/var/dkim/" + domain + ".selector.txt"]
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mock = mocker.patch(
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"os.path.exists",
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side_effect=path_exists_func_but_with_masked_paths(masked_files),
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)
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return mock
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def no_dkim_file(dkim_file):
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os.remove(dkim_file)
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assert path.exists(dkim_file) is False
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return dkim_file
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###############################################################################
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def test_get_dkim_key(
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mock_subproccess_popen_dkimfile, mock_all_paths_exist, domain_file
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):
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def test_get_dkim_key(domain_file, dkim_file):
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"""Test DKIM key"""
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dkim_key = get_dkim_key("test-domain.tld")
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assert (
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dkim_key
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== "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDNn/IhEz1SxgHxxxI8vlPYC2dNueiLe1GC4SYz8uHimC8SDkMvAwm7rqi2SimbFgGB5nccCNOqCkrIqJTCB9vufqBnVKAjshHqpOr5hk4JJ1T/AGQKWinstmDbfTLPYTbU8ijZrwwGeqQLlnXR5nSN0GB9GazheA9zaPsT6PV+aQIDAQAB"
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)
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assert mock_subproccess_popen_dkimfile.call_args[0][0] == [
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"cat",
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"/var/dkim/test-domain.tld.selector.txt",
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]
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def test_no_dkim_key(
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authorized_client, domain_file, mock_no_dkim_file, mock_subproccess_popen
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):
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def test_no_dkim_key(domain_file, no_dkim_file):
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"""Test no DKIM key"""
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dkim_key = get_dkim_key("test-domain.tld")
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assert dkim_key is None
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assert mock_subproccess_popen.called == False
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@ -6,7 +6,7 @@ import pytest
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from tests.common import generate_system_query, read_json
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from tests.test_graphql.common import assert_empty
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from tests.test_dkim import mock_no_dkim_file
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from tests.test_dkim import no_dkim_file, dkim_file
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@pytest.fixture
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@ -338,7 +338,7 @@ def test_graphql_get_domain_no_dkim(
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domain_file,
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mock_get_ip4,
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mock_get_ip6,
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mock_no_dkim_file,
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no_dkim_file,
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turned_on,
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):
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"""Test no DKIM file situation gets properly handled"""
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