django-oidc-provider/oidc_provider/lib/utils/token.py
2015-07-27 11:33:28 -03:00

98 lines
2.3 KiB
Python

from datetime import timedelta
import time
import uuid
from Crypto.PublicKey.RSA import importKey
from django.utils import timezone
from jwkest.jwk import RSAKey
from jwkest.jws import JWS
from oidc_provider.lib.utils.common import get_issuer, get_rsa_key
from oidc_provider.models import *
from oidc_provider import settings
def create_id_token(user, aud, nonce):
"""
Receives a user object and aud (audience).
Then creates the id_token dictionary.
See: http://openid.net/specs/openid-connect-core-1_0.html#IDToken
Return a dic.
"""
sub = settings.get('OIDC_IDTOKEN_SUB_GENERATOR')(user=user)
expires_in = settings.get('OIDC_IDTOKEN_EXPIRE')
# Convert datetimes into timestamps.
now = timezone.now()
iat_time = int(time.mktime(now.timetuple()))
exp_time = int(time.mktime((now + timedelta(seconds=expires_in)).timetuple()))
user_auth_time = user.last_login or user.date_joined
auth_time = int(time.mktime(user_auth_time.timetuple()))
dic = {
'iss': get_issuer(),
'sub': sub,
'aud': aud,
'exp': exp_time,
'iat': iat_time,
'auth_time': auth_time,
}
if nonce:
dic['nonce'] = nonce
return dic
def encode_id_token(payload):
"""
Represent the ID Token as a JSON Web Token (JWT).
Return a hash.
"""
keys = [ RSAKey(key=importKey(get_rsa_key())) ]
_jws = JWS(payload, alg='RS256')
_jwt = _jws.sign_compact(keys)
return _jwt
def create_token(user, client, id_token_dic, scope):
"""
Create and populate a Token object.
Return a Token object.
"""
token = Token()
token.user = user
token.client = client
token.access_token = uuid.uuid4().hex
token.id_token = id_token_dic
token.refresh_token = uuid.uuid4().hex
token.expires_at = timezone.now() + timedelta(
seconds=settings.get('OIDC_TOKEN_EXPIRE'))
token.scope = scope
return token
def create_code(user, client, scope, nonce):
"""
Create and populate a Code object.
Return a Code object.
"""
code = Code()
code.user = user
code.client = client
code.code = uuid.uuid4().hex
code.expires_at = timezone.now() + timedelta(
seconds=settings.get('OIDC_CODE_EXPIRE'))
code.scope = scope
code.nonce = nonce
return code