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