feat: CLI mode (--create, --reissue, --revoke, --gen-crl)

This commit is contained in:
Vlad Doloman
2026-06-24 02:53:47 +03:00
parent 1222fb46a4
commit ceaf24414a
2 changed files with 326 additions and 1 deletions

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@@ -3,6 +3,7 @@
from __future__ import annotations
import argparse
import base64
import curses
import email.encoders
@@ -16,6 +17,7 @@ import secrets
import shutil
import string
import subprocess
import sys
import urllib.error
import urllib.request
from dataclasses import dataclass, field
@@ -974,13 +976,136 @@ class CursesApp:
)
# ============================================================
# === CLI ===
# ============================================================
class CliRunner:
"""Non-interactive runner for scripting / cron use."""
def create(self, cn: str, email_addr: str) -> None:
self._issue(cn, email_addr, is_renewal=False)
def reissue(self, cn: str, email_addr: str) -> None:
# Prefer the caller-supplied email; fall back to stored metadata.
final_email = email_addr or get_email(EASYRSA_PKI_DIR, cn)
self._issue(cn, final_email, is_renewal=True)
def revoke(self, cn: str) -> None:
print(f"Revoking {cn}", file=sys.stderr)
try:
revoke_issued(EASYRSA_DIR, EASYRSA_PKI_DIR, cn, CA_PASSPHRASE)
gen_crl(EASYRSA_DIR, EASYRSA_PKI_DIR, CA_PASSPHRASE)
copy_crl(EASYRSA_PKI_DIR, CRL_DEST_PATH)
except EasyRSAError as exc:
print(f"error: {exc}", file=sys.stderr)
sys.exit(1)
print(f"Revoked {cn}. CRL updated → {CRL_DEST_PATH}")
def regen_crl(self) -> None:
print("Regenerating CRL…", file=sys.stderr)
try:
gen_crl(EASYRSA_DIR, EASYRSA_PKI_DIR, CA_PASSPHRASE)
copy_crl(EASYRSA_PKI_DIR, CRL_DEST_PATH)
except EasyRSAError as exc:
print(f"error: {exc}", file=sys.stderr)
sys.exit(1)
print(f"CRL updated → {CRL_DEST_PATH}")
def _issue(self, cn: str, email_addr: str, is_renewal: bool) -> None:
password = generate_password()
if is_renewal:
print(f"Revoking existing cert for {cn}", file=sys.stderr)
try:
revoke_issued(EASYRSA_DIR, EASYRSA_PKI_DIR, cn, CA_PASSPHRASE)
except EasyRSAError as exc:
print(f"error during revoke: {exc}", file=sys.stderr)
sys.exit(1)
print(f"Building certificate for {cn}", file=sys.stderr)
try:
build_client_full(EASYRSA_DIR, EASYRSA_PKI_DIR, cn, password, CA_PASSPHRASE)
except EasyRSAError as exc:
if is_renewal:
print(
f"error during build-client-full: {exc}\n"
f"WARNING: {cn} has been revoked but no new cert was built.\n"
f"Re-run --reissue for this CN to issue a new certificate.",
file=sys.stderr,
)
else:
print(f"error: {exc}", file=sys.stderr)
sys.exit(1)
if email_addr:
save_email(EASYRSA_PKI_DIR, cn, email_addr)
try:
ovpn_path = build_ovpn(cn, EASYRSA_PKI_DIR, OVPN_TEMPLATE_PATH,
VPN_CONFIGS_DIR, CONFIG_NAME)
except Exception as exc:
print(f"error building .ovpn: {exc}", file=sys.stderr)
sys.exit(1)
one_time_url = ""
try:
one_time_url = create_note(password, CRYPTGEON_URL)
except CryptgeonError as exc:
print(f"warning: Cryptgeon failed: {exc}", file=sys.stderr)
if email_addr:
try:
send_email(email_addr, cn, one_time_url or password, ovpn_path,
MAIL_FROM, MAIL_SUBJECT, EMAIL_TEMPLATE_PATH, MAIL_BINARY)
print(f"Email sent to {email_addr}", file=sys.stderr)
except RuntimeError as exc:
print(f"warning: email failed: {exc}", file=sys.stderr)
print(f"config: {ovpn_path}")
if one_time_url:
print(f"password-url: {one_time_url}")
else:
print(f"password: {password}")
def _build_parser() -> argparse.ArgumentParser:
parser = argparse.ArgumentParser(
prog="openvpncertupdate",
description="Manage OpenVPN user certificates via EasyRSA.",
)
group = parser.add_mutually_exclusive_group()
group.add_argument("--create", metavar="CN", help="Create a new certificate for CN")
group.add_argument("--reissue", metavar="CN", help="Revoke and reissue certificate for CN")
group.add_argument("--revoke", metavar="CN", help="Revoke certificate for CN and regenerate CRL")
group.add_argument("--gen-crl", action="store_true", help="Regenerate and copy CRL")
parser.add_argument("--email", metavar="EMAIL",
help="Email address (required for --create; optional for --reissue)")
return parser
# ============================================================
# === ENTRY POINT ===
# ============================================================
def main() -> None:
CursesApp().run()
parser = _build_parser()
args = parser.parse_args()
if args.create:
if not args.email:
parser.error("--email is required with --create")
CliRunner().create(args.create, args.email)
elif args.reissue:
CliRunner().reissue(args.reissue, args.email or "")
elif args.revoke:
CliRunner().revoke(args.revoke)
elif args.gen_crl:
CliRunner().regen_crl()
else:
CursesApp().run()
if __name__ == "__main__":

200
tests/test_cli.py Normal file
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@@ -0,0 +1,200 @@
"""Tests for CLI mode (CliRunner + main() argument dispatch)."""
import sys
from unittest.mock import MagicMock, patch, call
import pytest
from openvpncertupdate import CliRunner, _build_parser, main
# ---------------------------------------------------------------------------
# Helpers
# ---------------------------------------------------------------------------
def _patch_issue(monkeypatch, ovpn_path="/out/cn_2026-01-01/client.ovpn",
one_time_url="https://cg.example.com/#/note/abc/xyz"):
"""Patch all side-effectful callables used by CliRunner._issue."""
monkeypatch.setattr("openvpncertupdate.revoke_issued", MagicMock())
monkeypatch.setattr("openvpncertupdate.build_client_full", MagicMock())
monkeypatch.setattr("openvpncertupdate.save_email", MagicMock())
monkeypatch.setattr("openvpncertupdate.build_ovpn", MagicMock(return_value=ovpn_path))
monkeypatch.setattr("openvpncertupdate.create_note", MagicMock(return_value=one_time_url))
monkeypatch.setattr("openvpncertupdate.send_email", MagicMock())
monkeypatch.setattr("openvpncertupdate.generate_password", MagicMock(return_value="Testpass1234567890abcdefgh"))
return {
"revoke_issued": sys.modules["openvpncertupdate"].revoke_issued,
"build_client_full": sys.modules["openvpncertupdate"].build_client_full,
"save_email": sys.modules["openvpncertupdate"].save_email,
"build_ovpn": sys.modules["openvpncertupdate"].build_ovpn,
"create_note": sys.modules["openvpncertupdate"].create_note,
"send_email": sys.modules["openvpncertupdate"].send_email,
}
# ---------------------------------------------------------------------------
# CliRunner.create
# ---------------------------------------------------------------------------
def test_create_calls_build_not_revoke(monkeypatch, capsys):
mocks = _patch_issue(monkeypatch)
CliRunner().create("alice", "alice@example.com")
mocks["revoke_issued"].assert_not_called()
mocks["build_client_full"].assert_called_once()
_, kwargs = mocks["build_client_full"].call_args
# cn is the third positional arg
assert mocks["build_client_full"].call_args.args[2] == "alice"
def test_create_saves_email(monkeypatch, capsys):
mocks = _patch_issue(monkeypatch)
CliRunner().create("alice", "alice@example.com")
mocks["save_email"].assert_called_once()
assert mocks["save_email"].call_args.args[1] == "alice"
assert mocks["save_email"].call_args.args[2] == "alice@example.com"
def test_create_sends_email_and_prints_url(monkeypatch, capsys):
url = "https://cg.example.com/#/note/abc/xyz"
mocks = _patch_issue(monkeypatch, one_time_url=url)
CliRunner().create("alice", "alice@example.com")
mocks["send_email"].assert_called_once()
out = capsys.readouterr().out
assert "password-url:" in out
assert url in out
assert "password:" not in out
def test_create_prints_password_when_cryptgeon_fails(monkeypatch, capsys):
_patch_issue(monkeypatch)
import openvpncertupdate
monkeypatch.setattr("openvpncertupdate.create_note",
MagicMock(side_effect=openvpncertupdate.CryptgeonError("down")))
CliRunner().create("alice", "alice@example.com")
out = capsys.readouterr().out
assert "password:" in out
assert "password-url:" not in out
# ---------------------------------------------------------------------------
# CliRunner.reissue
# ---------------------------------------------------------------------------
def test_reissue_calls_revoke_then_build(monkeypatch, capsys):
mocks = _patch_issue(monkeypatch)
CliRunner().reissue("bob", "bob@example.com")
mocks["revoke_issued"].assert_called_once()
mocks["build_client_full"].assert_called_once()
# revoke must happen before build
assert mocks["revoke_issued"].call_args.args[2] == "bob"
assert mocks["build_client_full"].call_args.args[2] == "bob"
def test_reissue_falls_back_to_stored_email(monkeypatch, capsys):
mocks = _patch_issue(monkeypatch)
monkeypatch.setattr("openvpncertupdate.get_email",
MagicMock(return_value="stored@example.com"))
CliRunner().reissue("bob", "") # no --email supplied
mocks["send_email"].assert_called_once()
assert mocks["send_email"].call_args.args[0] == "stored@example.com"
def test_reissue_no_email_no_send(monkeypatch, capsys):
mocks = _patch_issue(monkeypatch)
monkeypatch.setattr("openvpncertupdate.get_email", MagicMock(return_value=""))
CliRunner().reissue("bob", "")
mocks["send_email"].assert_not_called()
out = capsys.readouterr().out
assert "config:" in out
# ---------------------------------------------------------------------------
# CliRunner.revoke
# ---------------------------------------------------------------------------
def test_revoke_calls_revoke_gen_crl_copy_crl(monkeypatch, capsys):
rev = MagicMock()
gcrl = MagicMock()
ccrl = MagicMock()
monkeypatch.setattr("openvpncertupdate.revoke_issued", rev)
monkeypatch.setattr("openvpncertupdate.gen_crl", gcrl)
monkeypatch.setattr("openvpncertupdate.copy_crl", ccrl)
CliRunner().revoke("charlie")
rev.assert_called_once()
gcrl.assert_called_once()
ccrl.assert_called_once()
assert "charlie" in capsys.readouterr().out
def test_revoke_exits_on_error(monkeypatch):
import openvpncertupdate
monkeypatch.setattr("openvpncertupdate.revoke_issued",
MagicMock(side_effect=openvpncertupdate.EasyRSAError("fail")))
with pytest.raises(SystemExit) as exc_info:
CliRunner().revoke("charlie")
assert exc_info.value.code == 1
# ---------------------------------------------------------------------------
# CliRunner.regen_crl
# ---------------------------------------------------------------------------
def test_regen_crl_calls_gen_and_copy(monkeypatch, capsys):
gcrl = MagicMock()
ccrl = MagicMock()
monkeypatch.setattr("openvpncertupdate.gen_crl", gcrl)
monkeypatch.setattr("openvpncertupdate.copy_crl", ccrl)
CliRunner().regen_crl()
gcrl.assert_called_once()
ccrl.assert_called_once()
assert "CRL" in capsys.readouterr().out
# ---------------------------------------------------------------------------
# main() argument dispatch
# ---------------------------------------------------------------------------
def test_main_create_requires_email(monkeypatch):
monkeypatch.setattr(sys, "argv", ["prog", "--create", "alice"])
with pytest.raises(SystemExit) as exc_info:
main()
assert exc_info.value.code != 0
def test_main_dispatches_create(monkeypatch):
monkeypatch.setattr(sys, "argv",
["prog", "--create", "alice", "--email", "a@b.com"])
runner = MagicMock()
monkeypatch.setattr("openvpncertupdate.CliRunner", lambda: runner)
main()
runner.create.assert_called_once_with("alice", "a@b.com")
def test_main_dispatches_reissue(monkeypatch):
monkeypatch.setattr(sys, "argv", ["prog", "--reissue", "bob"])
runner = MagicMock()
monkeypatch.setattr("openvpncertupdate.CliRunner", lambda: runner)
main()
runner.reissue.assert_called_once_with("bob", "")
def test_main_dispatches_revoke(monkeypatch):
monkeypatch.setattr(sys, "argv", ["prog", "--revoke", "charlie"])
runner = MagicMock()
monkeypatch.setattr("openvpncertupdate.CliRunner", lambda: runner)
main()
runner.revoke.assert_called_once_with("charlie")
def test_main_dispatches_gen_crl(monkeypatch):
monkeypatch.setattr(sys, "argv", ["prog", "--gen-crl"])
runner = MagicMock()
monkeypatch.setattr("openvpncertupdate.CliRunner", lambda: runner)
main()
runner.regen_crl.assert_called_once_with()
def test_main_no_args_launches_tui(monkeypatch):
monkeypatch.setattr(sys, "argv", ["prog"])
app = MagicMock()
monkeypatch.setattr("openvpncertupdate.CursesApp", lambda: app)
main()
app.run.assert_called_once_with()