canaille-globuzma/canaille/configuration.py

72 lines
2 KiB
Python

import os
import smtplib
import socket
ROOT = os.path.dirname(os.path.abspath(__file__))
class ConfigurationException(Exception):
pass
def validate(config, validate_remote=False):
validate_keypair(config)
validate_theme(config)
if not validate_remote:
return
from .ldap_backend.backend import validate_configuration
validate_configuration(config)
validate_smtp_configuration(config)
def validate_keypair(config):
if "JWT" in config and not os.path.exists(config["JWT"]["PUBLIC_KEY"]):
raise ConfigurationException(
f'Public key does not exist {config["JWT"]["PUBLIC_KEY"]}'
)
if "JWT" in config and not os.path.exists(config["JWT"]["PRIVATE_KEY"]):
raise ConfigurationException(
f'Private key does not exist {config["JWT"]["PRIVATE_KEY"]}'
)
def validate_smtp_configuration(config):
try:
with smtplib.SMTP(
host=config["SMTP"]["HOST"],
port=config["SMTP"]["PORT"],
) as smtp:
if config["SMTP"].get("TLS"):
smtp.starttls()
if config["SMTP"].get("LOGIN"):
smtp.login(
user=config["SMTP"]["LOGIN"],
password=config["SMTP"].get("PASSWORD"),
)
except (socket.gaierror, ConnectionRefusedError) as exc:
raise ConfigurationException(
f'Could not connect to the SMTP server \'{config["SMTP"]["HOST"]}\''
) from exc
except smtplib.SMTPAuthenticationError as exc:
raise ConfigurationException(
f'SMTP authentication failed with user \'{config["SMTP"]["LOGIN"]}\''
) from exc
except smtplib.SMTPNotSupportedError as exc:
raise ConfigurationException(exc) from exc
def validate_theme(config):
if not config.get("THEME"):
return
if not os.path.exists(config["THEME"]) and not os.path.exists(
os.path.join(ROOT, "themes", config["THEME"])
):
raise ConfigurationException(f'Cannot find theme \'{config["THEME"]}\'')