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import jwt
import uuid
import pam
from secrets import token_hex
from .. import state
def _check_passwd_pam(username: str, passwd: str) -> bool:
if pam.authenticate(username, passwd):
return True
return False
def init_secret():
secret = token_hex(16)
state.settings['secret'] = secret
def generate_token(user: str, passwd: str, secret: str) -> dict:
if user is None or passwd is None:
return {}
if _check_passwd_pam(user, passwd):
app = state.settings['app']
try:
users = app.state.vyos_token_users
except AttributeError:
app.state.vyos_token_users = {}
users = app.state.vyos_token_users
user_id = uuid.uuid1().hex
payload_data = {'iss': user, 'sub': user_id}
secret = state.settings.get('secret')
if secret is None:
return {
"success": False,
"errors": ['failed secret generation']
}
token = jwt.encode(payload=payload_data, key=secret, algorithm="HS256")
users |= {user_id: user}
return {'token': token}
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