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authentik/passbook/providers/saml/models.py

155 lines
4.8 KiB
Python

"""passbook saml_idp Models"""
from typing import Optional
from django.db import models
from django.http import HttpRequest
from django.shortcuts import reverse
from django.utils.translation import ugettext_lazy as _
from structlog import get_logger
from passbook.core.models import PropertyMapping, Provider
from passbook.crypto.models import CertificateKeyPair
from passbook.lib.utils.template import render_to_string
from passbook.providers.saml.utils.time import timedelta_string_validator
LOGGER = get_logger()
class SAMLBindings(models.TextChoices):
"""SAML Bindings supported by passbook"""
REDIRECT = "redirect"
POST = "post"
class SAMLProvider(Provider):
"""SAML 2.0 Endpoint for applications which support SAML."""
name = models.TextField()
acs_url = models.URLField(verbose_name=_("ACS URL"))
audience = models.TextField(default="")
issuer = models.TextField(help_text=_("Also known as EntityID"))
sp_binding = models.TextField(
choices=SAMLBindings.choices,
default=SAMLBindings.REDIRECT,
verbose_name=_("Service Prodier Binding"),
)
assertion_valid_not_before = models.TextField(
default="minutes=-5",
validators=[timedelta_string_validator],
help_text=_(
(
"Assertion valid not before current time + this value "
"(Format: hours=-1;minutes=-2;seconds=-3)."
)
),
)
assertion_valid_not_on_or_after = models.TextField(
default="minutes=5",
validators=[timedelta_string_validator],
help_text=_(
(
"Assertion not valid on or after current time + this value "
"(Format: hours=1;minutes=2;seconds=3)."
)
),
)
session_valid_not_on_or_after = models.TextField(
default="minutes=86400",
validators=[timedelta_string_validator],
help_text=_(
(
"Session not valid on or after current time + this value "
"(Format: hours=1;minutes=2;seconds=3)."
)
),
)
digest_algorithm = models.CharField(
max_length=50,
choices=(("sha1", _("SHA1")), ("sha256", _("SHA256")),),
default="sha256",
)
signature_algorithm = models.CharField(
max_length=50,
choices=(
("rsa-sha1", _("RSA-SHA1")),
("rsa-sha256", _("RSA-SHA256")),
("ecdsa-sha256", _("ECDSA-SHA256")),
("dsa-sha1", _("DSA-SHA1")),
),
default="rsa-sha256",
)
signing_kp = models.ForeignKey(
CertificateKeyPair,
default=None,
null=True,
help_text=_("Singing is enabled upon selection of a Key Pair."),
on_delete=models.SET_NULL,
verbose_name=_("Signing Keypair"),
)
require_signing = models.BooleanField(
default=False,
help_text=_(
"Require Requests to be signed by an X509 Certificate. "
"Must match the Certificate selected in `Singing Keypair`."
),
)
form = "passbook.providers.saml.forms.SAMLProviderForm"
def __str__(self):
return self.name
def link_download_metadata(self):
"""Get link to download XML metadata for admin interface"""
try:
# pylint: disable=no-member
return reverse(
"passbook_providers_saml:metadata",
kwargs={"application_slug": self.application.slug},
)
except Provider.application.RelatedObjectDoesNotExist:
return None
def html_metadata_view(self, request: HttpRequest) -> Optional[str]:
"""return template and context modal with to view Metadata without downloading it"""
from passbook.providers.saml.views import DescriptorDownloadView
try:
# pylint: disable=no-member
metadata = DescriptorDownloadView.get_metadata(request, self)
return render_to_string(
"providers/saml/admin_metadata_modal.html",
{"provider": self, "metadata": metadata},
)
except Provider.application.RelatedObjectDoesNotExist:
return None
class Meta:
verbose_name = _("SAML Provider")
verbose_name_plural = _("SAML Providers")
class SAMLPropertyMapping(PropertyMapping):
"""Map User/Group attribute to SAML Attribute, which can be used by the Service Provider."""
saml_name = models.TextField(verbose_name="SAML Name")
friendly_name = models.TextField(default=None, blank=True, null=True)
form = "passbook.providers.saml.forms.SAMLPropertyMappingForm"
def __str__(self):
return f"SAML Property Mapping {self.saml_name}"
class Meta:
verbose_name = _("SAML Property Mapping")
verbose_name_plural = _("SAML Property Mappings")