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-rwxr-xr-xsrc/conf_mode/le_cert.py119
1 files changed, 119 insertions, 0 deletions
diff --git a/src/conf_mode/le_cert.py b/src/conf_mode/le_cert.py
new file mode 100755
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+++ b/src/conf_mode/le_cert.py
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+#!/usr/bin/env python3
+#
+# Copyright (C) 2019 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# 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/>.
+#
+#
+
+import sys
+import os
+import subprocess
+
+import vyos.defaults
+from vyos.config import Config
+from vyos import ConfigError
+
+vyos_conf_scripts_dir = vyos.defaults.directories['conf_mode']
+
+dependencies = [
+ 'https.py',
+]
+
+def request_certbot(cert):
+ email = cert.get('email')
+ if email is not None:
+ email_flag = '-m {0}'.format(email)
+ else:
+ email_flag = ''
+
+ domains = cert.get('domains')
+ if domains is not None:
+ domain_flag = '-d ' + ' -d '.join(domains)
+ else:
+ domain_flag = ''
+
+ certbot_cmd = 'certbot certonly -n --nginx --agree-tos --no-eff-email --expand {0} {1}'.format(email_flag, domain_flag)
+
+ completed = subprocess.run(certbot_cmd, shell=True)
+
+ return completed.returncode
+
+def get_config():
+ conf = Config()
+ if not conf.exists('service https certificates certbot'):
+ return None
+ else:
+ conf.set_level('service https certificates certbot')
+
+ cert = {}
+
+ if conf.exists('domain-name'):
+ cert['domains'] = conf.return_values('domain-name')
+
+ if conf.exists('email'):
+ cert['email'] = conf.return_value('email')
+
+ return cert
+
+def verify(cert):
+ if cert is None:
+ return None
+
+ if 'domains' not in cert:
+ raise ConfigError("At least one domain name is required to"
+ " request a letsencrypt certificate.")
+
+ if 'email' not in cert:
+ raise ConfigError("An email address is required to request"
+ " a letsencrypt certificate.")
+
+def generate(cert):
+ if cert is None:
+ return None
+
+ # certbot will attempt to reload nginx, even with 'certonly';
+ # start nginx if not active
+ ret = os.system('systemctl is-active --quiet nginx.ervice')
+ if ret:
+ os.system('sudo systemctl start nginx.service')
+
+ ret = request_certbot(cert)
+ if ret:
+ raise ConfigError("The certbot request failed for the"
+ " specified domains.")
+
+def apply(cert):
+ if cert is not None:
+ os.system('sudo systemctl restart certbot.timer')
+ else:
+ os.system('sudo systemctl stop certbot.timer')
+ return None
+
+ for dep in dependencies:
+ cmd = '{0}/{1}'.format(vyos_conf_scripts_dir, dep)
+ try:
+ subprocess.check_call(cmd, shell=True)
+ except subprocess.CalledProcessError as err:
+ raise ConfigError(str(err))
+
+if __name__ == '__main__':
+ try:
+ c = get_config()
+ verify(c)
+ generate(c)
+ apply(c)
+ except ConfigError as e:
+ print(e)
+ sys.exit(1)
+