4e7116ca9e
Have the option to use the more readable response type value rather than
the ResponseType id integer in fixtures and dumpdata output.
Prior to this change dumpdata represents response types like so:
"response_types": [2]
And after this change when using `dumpdata --natural-foreign`:
"response_types": [["code"]]
267 lines
8.7 KiB
Python
267 lines
8.7 KiB
Python
# -*- coding: utf-8 -*-
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import base64
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import binascii
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from hashlib import md5, sha256
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import json
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from django.db import models
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from django.utils import timezone
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from django.utils.translation import ugettext_lazy as _
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from django.conf import settings
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CLIENT_TYPE_CHOICES = [
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('confidential', 'Confidential'),
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('public', 'Public'),
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]
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RESPONSE_TYPE_CHOICES = [
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('code', 'code (Authorization Code Flow)'),
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('id_token', 'id_token (Implicit Flow)'),
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('id_token token', 'id_token token (Implicit Flow)'),
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('code token', 'code token (Hybrid Flow)'),
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('code id_token', 'code id_token (Hybrid Flow)'),
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('code id_token token', 'code id_token token (Hybrid Flow)'),
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]
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JWT_ALGS = [
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('HS256', 'HS256'),
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('RS256', 'RS256'),
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]
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class ResponseTypeManager(models.Manager):
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def get_by_natural_key(self, value):
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return self.get(value=value)
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class ResponseType(models.Model):
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objects = ResponseTypeManager()
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value = models.CharField(
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max_length=30,
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choices=RESPONSE_TYPE_CHOICES,
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unique=True,
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verbose_name=_(u'Response Type Value'))
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description = models.CharField(
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max_length=50,
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)
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def natural_key(self):
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return self.value, # natural_key must return tuple
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def __str__(self):
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return u'{0}'.format(self.description)
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class Client(models.Model):
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name = models.CharField(max_length=100, default='', verbose_name=_(u'Name'))
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owner = models.ForeignKey(
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settings.AUTH_USER_MODEL, verbose_name=_(u'Owner'), blank=True,
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null=True, default=None, on_delete=models.SET_NULL, related_name='oidc_clients_set')
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client_type = models.CharField(
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max_length=30,
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choices=CLIENT_TYPE_CHOICES,
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default='confidential',
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verbose_name=_(u'Client Type'),
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help_text=_(u'<b>Confidential</b> clients are capable of maintaining the confidentiality'
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u' of their credentials. <b>Public</b> clients are incapable.'))
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client_id = models.CharField(max_length=255, unique=True, verbose_name=_(u'Client ID'))
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client_secret = models.CharField(max_length=255, blank=True, verbose_name=_(u'Client SECRET'))
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response_types = models.ManyToManyField(ResponseType)
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jwt_alg = models.CharField(
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max_length=10,
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choices=JWT_ALGS,
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default='RS256',
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verbose_name=_(u'JWT Algorithm'),
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help_text=_(u'Algorithm used to encode ID Tokens.'))
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date_created = models.DateField(auto_now_add=True, verbose_name=_(u'Date Created'))
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website_url = models.CharField(
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max_length=255, blank=True, default='', verbose_name=_(u'Website URL'))
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terms_url = models.CharField(
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max_length=255,
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blank=True,
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default='',
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verbose_name=_(u'Terms URL'),
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help_text=_(u'External reference to the privacy policy of the client.'))
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contact_email = models.CharField(
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max_length=255, blank=True, default='', verbose_name=_(u'Contact Email'))
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logo = models.FileField(
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blank=True, default='', upload_to='oidc_provider/clients', verbose_name=_(u'Logo Image'))
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reuse_consent = models.BooleanField(
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default=True,
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verbose_name=_('Reuse Consent?'),
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help_text=_('If enabled, server will save the user consent given to a specific client, '
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'so that user won\'t be prompted for the same authorization multiple times.'))
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require_consent = models.BooleanField(
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default=True,
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verbose_name=_('Require Consent?'),
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help_text=_('If disabled, the Server will NEVER ask the user for consent.'))
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_redirect_uris = models.TextField(
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default='', verbose_name=_(u'Redirect URIs'),
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help_text=_(u'Enter each URI on a new line.'))
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_post_logout_redirect_uris = models.TextField(
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blank=True,
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default='',
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verbose_name=_(u'Post Logout Redirect URIs'),
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help_text=_(u'Enter each URI on a new line.'))
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_scope = models.TextField(
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blank=True,
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default='',
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verbose_name=_(u'Scopes'),
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help_text=_('Specifies the authorized scope values for the client app.'))
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class Meta:
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verbose_name = _(u'Client')
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verbose_name_plural = _(u'Clients')
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def __str__(self):
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return u'{0}'.format(self.name)
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def __unicode__(self):
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return self.__str__()
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def response_type_values(self):
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return (response_type.value for response_type in self.response_types.all())
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def response_type_descriptions(self):
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# return as a list, rather than a generator, so descriptions display correctly in admin
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return [response_type.description for response_type in self.response_types.all()]
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@property
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def redirect_uris(self):
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return self._redirect_uris.splitlines()
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@redirect_uris.setter
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def redirect_uris(self, value):
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self._redirect_uris = '\n'.join(value)
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@property
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def post_logout_redirect_uris(self):
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return self._post_logout_redirect_uris.splitlines()
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@post_logout_redirect_uris.setter
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def post_logout_redirect_uris(self, value):
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self._post_logout_redirect_uris = '\n'.join(value)
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@property
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def scope(self):
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return self._scope.split()
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@scope.setter
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def scope(self, value):
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self._scope = ' '.join(value)
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@property
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def default_redirect_uri(self):
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return self.redirect_uris[0] if self.redirect_uris else ''
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class BaseCodeTokenModel(models.Model):
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client = models.ForeignKey(Client, verbose_name=_(u'Client'), on_delete=models.CASCADE)
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expires_at = models.DateTimeField(verbose_name=_(u'Expiration Date'))
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_scope = models.TextField(default='', verbose_name=_(u'Scopes'))
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class Meta:
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abstract = True
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@property
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def scope(self):
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return self._scope.split()
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@scope.setter
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def scope(self, value):
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self._scope = ' '.join(value)
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def __unicode__(self):
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return self.__str__()
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def has_expired(self):
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return timezone.now() >= self.expires_at
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class Code(BaseCodeTokenModel):
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user = models.ForeignKey(
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settings.AUTH_USER_MODEL, verbose_name=_(u'User'), on_delete=models.CASCADE)
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code = models.CharField(max_length=255, unique=True, verbose_name=_(u'Code'))
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nonce = models.CharField(max_length=255, blank=True, default='', verbose_name=_(u'Nonce'))
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is_authentication = models.BooleanField(default=False, verbose_name=_(u'Is Authentication?'))
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code_challenge = models.CharField(max_length=255, null=True, verbose_name=_(u'Code Challenge'))
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code_challenge_method = models.CharField(
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max_length=255, null=True, verbose_name=_(u'Code Challenge Method'))
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class Meta:
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verbose_name = _(u'Authorization Code')
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verbose_name_plural = _(u'Authorization Codes')
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def __str__(self):
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return u'{0} - {1}'.format(self.client, self.code)
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class Token(BaseCodeTokenModel):
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user = models.ForeignKey(
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settings.AUTH_USER_MODEL, null=True, verbose_name=_(u'User'), on_delete=models.CASCADE)
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access_token = models.CharField(max_length=255, unique=True, verbose_name=_(u'Access Token'))
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refresh_token = models.CharField(max_length=255, unique=True, verbose_name=_(u'Refresh Token'))
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_id_token = models.TextField(verbose_name=_(u'ID Token'))
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class Meta:
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verbose_name = _(u'Token')
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verbose_name_plural = _(u'Tokens')
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@property
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def id_token(self):
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return json.loads(self._id_token) if self._id_token else None
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@id_token.setter
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def id_token(self, value):
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self._id_token = json.dumps(value)
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def __str__(self):
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return u'{0} - {1}'.format(self.client, self.access_token)
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@property
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def at_hash(self):
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# @@@ d-o-p only supports 256 bits (change this if that changes)
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hashed_access_token = sha256(
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self.access_token.encode('ascii')
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).hexdigest().encode('ascii')
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return base64.urlsafe_b64encode(
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binascii.unhexlify(
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hashed_access_token[:len(hashed_access_token) // 2]
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)
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).rstrip(b'=').decode('ascii')
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class UserConsent(BaseCodeTokenModel):
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user = models.ForeignKey(
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settings.AUTH_USER_MODEL, verbose_name=_(u'User'), on_delete=models.CASCADE)
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date_given = models.DateTimeField(verbose_name=_(u'Date Given'))
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class Meta:
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unique_together = ('user', 'client')
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class RSAKey(models.Model):
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key = models.TextField(
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verbose_name=_(u'Key'), help_text=_(u'Paste your private RSA Key here.'))
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class Meta:
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verbose_name = _(u'RSA Key')
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verbose_name_plural = _(u'RSA Keys')
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def __str__(self):
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return u'{0}'.format(self.kid)
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def __unicode__(self):
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return self.__str__()
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@property
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def kid(self):
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return u'{0}'.format(md5(self.key.encode('utf-8')).hexdigest() if self.key else '')
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