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models.py
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models.py
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import json
import logging
import uuid
from django.contrib.auth.models import Permission
from django.db import models
from django.conf import settings
from django.utils import timezone
from django.utils.functional import cached_property
logger = logging.getLogger(__name__)
class Server(models.Model):
url = models.CharField(max_length=255)
internal_url = models.CharField(
max_length=255,
blank=True,
null=True,
help_text='URL on internal netwerk calls. For example when used with '
'Docker Compose. Only supply when internal calls should go '
'to a different url as the end-user will communicate with.'
)
def __str__(self):
return self.url
class Realm(models.Model):
server = models.ForeignKey(Server, related_name='realms',
on_delete=models.CASCADE)
name = models.CharField(max_length=255, unique=True,
help_text='Name as known on the Keycloak server. '
'This name is used in the API paths '
'of this Realm.')
_certs = models.TextField()
@property
def certs(self):
return json.loads(self._certs)
@certs.setter
def certs(self, content):
self._certs = json.dumps(content)
_well_known_oidc = models.TextField(blank=True)
@property
def well_known_oidc(self):
return json.loads(self._well_known_oidc)
@well_known_oidc.setter
def well_known_oidc(self, content):
self._well_known_oidc = json.dumps(content)
_keycloak_realm = None
@cached_property
def realm_api_client(self):
"""
:rtype: keycloak.realm.Realm
"""
if self._keycloak_realm is None:
import django_keycloak.services.realm
self._keycloak_realm = django_keycloak.services.realm.\
get_realm_api_client(realm=self)
return self._keycloak_realm
def __str__(self):
return self.name
class Client(models.Model):
realm = models.OneToOneField(Realm, related_name='client',
on_delete=models.CASCADE)
client_id = models.CharField(max_length=255)
secret = models.CharField(max_length=255)
service_account_profile = models.OneToOneField(
settings.KEYCLOAK_OIDC_PROFILE_MODEL,
on_delete=models.CASCADE,
null=True
)
@cached_property
def admin_api_client(self):
"""
:rtype: keycloak.admin.KeycloakAdmin
"""
import django_keycloak.services.client
return django_keycloak.services.client.get_admin_client(client=self)
@cached_property
def openid_api_client(self):
"""
:rtype: keycloak.openid_connect.KeycloakOpenidConnect
"""
import django_keycloak.services.client
return django_keycloak.services.client.get_openid_client(client=self)
@cached_property
def authz_api_client(self):
"""
:rtype: keycloak.authz.KeycloakAuthz
"""
import django_keycloak.services.client
return django_keycloak.services.client.get_authz_api_client(
client=self)
@cached_property
def uma1_api_client(self):
"""
:rtype: keycloak.uma1.KeycloakUMA1
"""
import django_keycloak.services.client
return django_keycloak.services.client.get_uma1_client(client=self)
def __str__(self):
return self.client_id
class Role(models.Model):
client = models.ForeignKey('django_keycloak.Client',
related_name='roles',
on_delete=models.CASCADE)
permission = models.ForeignKey(Permission,
on_delete=models.CASCADE)
reference = models.CharField(max_length=50)
class Meta(object):
unique_together = (
('client', 'permission')
)
class TokenModelAbstract(models.Model):
access_token = models.TextField(null=True)
expires_before = models.DateTimeField(null=True)
refresh_token = models.TextField(null=True)
refresh_expires_before = models.DateTimeField(null=True)
class Meta(object):
abstract = True
@property
def is_active(self):
if not self.access_token or not self.expires_before:
return False
return self.expires_before > timezone.now()
class OpenIdConnectProfileAbstract(TokenModelAbstract):
sub = models.CharField(max_length=255, unique=True)
realm = models.ForeignKey('django_keycloak.Realm',
related_name='openid_profiles',
on_delete=models.CASCADE)
class Meta(object):
abstract = True
@property
def jwt(self):
"""
:rtype: dict
"""
if not self.is_active:
return None
client = self.realm.client
return client.openid_api_client.decode_token(
token=self.access_token,
key=client.realm.certs,
algorithms=client.openid_api_client.well_known[
'id_token_signing_alg_values_supported']
)
class RemoteUserOpenIdConnectProfile(OpenIdConnectProfileAbstract):
is_remote = True
_user = None
class Meta(OpenIdConnectProfileAbstract.Meta):
swappable = 'KEYCLOAK_OIDC_PROFILE_MODEL'
def get_user(self):
if self._user is None:
import django_keycloak.services.oidc_profile
self._user = django_keycloak.services.oidc_profile. \
get_remote_user_from_profile(
oidc_profile=self
)
return self._user
def set_user(self, user):
import django_keycloak.services.oidc_profile
RemoteUserModel = django_keycloak.services.oidc_profile\
.get_remote_user_model()
if not isinstance(user, RemoteUserModel):
raise RuntimeError('Can\'t set a non-remote user to the {}'.format(
type(self)))
self._user = user
user = property(get_user, set_user)
class OpenIdConnectProfile(OpenIdConnectProfileAbstract):
is_remote = False
user = models.OneToOneField(settings.AUTH_USER_MODEL,
related_name='oidc_profile',
on_delete=models.CASCADE)
class Meta(RemoteUserOpenIdConnectProfile.Meta):
swappable = 'KEYCLOAK_OIDC_PROFILE_MODEL'
class Nonce(models.Model):
state = models.UUIDField(default=uuid.uuid4, unique=True)
redirect_uri = models.CharField(max_length=255)
next_path = models.CharField(max_length=255, null=True)
class ExchangedToken(TokenModelAbstract):
oidc_profile = models.ForeignKey(
settings.KEYCLOAK_OIDC_PROFILE_MODEL,
on_delete=models.CASCADE
)
remote_client = models.ForeignKey('django_keycloak.RemoteClient',
related_name='exchanged_tokens',
on_delete=models.CASCADE)
class Meta(object):
unique_together = (
('oidc_profile', 'remote_client'),
)
class RemoteClient(models.Model):
name = models.CharField(max_length=255)
realm = models.ForeignKey('django_keycloak.Realm',
related_name='remote_clients',
on_delete=models.CASCADE)