afc3a60ee7
This is required by response type "id_token token", but can be used by other flows if they choose.
130 lines
3.4 KiB
Python
130 lines
3.4 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 as jwk_RSAKey
|
|
from jwkest.jwk import SYMKey
|
|
from jwkest.jws import JWS
|
|
|
|
from oidc_provider.lib.utils.common import get_issuer
|
|
from oidc_provider.models import *
|
|
from oidc_provider import settings
|
|
|
|
|
|
def create_id_token(user, aud, nonce, at_hash=None, request=None):
|
|
"""
|
|
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', import_str=True)(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(request=request),
|
|
'sub': sub,
|
|
'aud': str(aud),
|
|
'exp': exp_time,
|
|
'iat': iat_time,
|
|
'auth_time': auth_time,
|
|
}
|
|
|
|
if nonce:
|
|
dic['nonce'] = str(nonce)
|
|
|
|
if at_hash:
|
|
dic['at_hash'] = at_hash
|
|
|
|
processing_hook = settings.get('OIDC_IDTOKEN_PROCESSING_HOOK')
|
|
|
|
if isinstance(processing_hook, (list, tuple)):
|
|
for hook in processing_hook:
|
|
dic = settings.import_from_str(hook)(dic, user=user)
|
|
else:
|
|
dic = settings.import_from_str(processing_hook)(dic, user=user)
|
|
|
|
return dic
|
|
|
|
|
|
def encode_id_token(payload, client):
|
|
"""
|
|
Represent the ID Token as a JSON Web Token (JWT).
|
|
|
|
Return a hash.
|
|
"""
|
|
alg = client.jwt_alg
|
|
if alg == 'RS256':
|
|
keys = []
|
|
for rsakey in RSAKey.objects.all():
|
|
keys.append(jwk_RSAKey(key=importKey(rsakey.key), kid=rsakey.kid))
|
|
|
|
if not keys:
|
|
raise Exception('You must add at least one RSA Key.')
|
|
elif alg == 'HS256':
|
|
keys = [SYMKey(key=client.client_secret, alg=alg)]
|
|
else:
|
|
raise Exception('Unsupported key algorithm.')
|
|
|
|
_jws = JWS(payload, alg=alg)
|
|
|
|
return _jws.sign_compact(keys)
|
|
|
|
|
|
def create_token(user, client, scope, id_token_dic=None):
|
|
"""
|
|
Create and populate a Token object.
|
|
|
|
Return a Token object.
|
|
"""
|
|
token = Token()
|
|
token.user = user
|
|
token.client = client
|
|
token.access_token = uuid.uuid4().hex
|
|
|
|
if id_token_dic is not None:
|
|
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, is_authentication,
|
|
code_challenge=None, code_challenge_method=None):
|
|
"""
|
|
Create and populate a Code object.
|
|
|
|
Return a Code object.
|
|
"""
|
|
code = Code()
|
|
code.user = user
|
|
code.client = client
|
|
|
|
code.code = uuid.uuid4().hex
|
|
|
|
if code_challenge and code_challenge_method:
|
|
code.code_challenge = code_challenge
|
|
code.code_challenge_method = code_challenge_method
|
|
|
|
code.expires_at = timezone.now() + timedelta(
|
|
seconds=settings.get('OIDC_CODE_EXPIRE'))
|
|
code.scope = scope
|
|
code.nonce = nonce
|
|
code.is_authentication = is_authentication
|
|
|
|
return code
|