121 lines
3.9 KiB
Python
121 lines
3.9 KiB
Python
"""passbook LDAP Models"""
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from datetime import datetime
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from typing import Optional, Type
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from django.core.cache import cache
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from django.db import models
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from django.forms import ModelForm
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from django.utils.translation import gettext_lazy as _
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from ldap3 import Connection, Server
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from passbook.core.models import Group, PropertyMapping, Source
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from passbook.lib.models import DomainlessURLValidator
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from passbook.lib.utils.template import render_to_string
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class LDAPSource(Source):
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"""Federate LDAP Directory with passbook, or create new accounts in LDAP."""
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server_uri = models.TextField(
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validators=[DomainlessURLValidator(schemes=["ldap", "ldaps"])],
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verbose_name=_("Server URI"),
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)
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bind_cn = models.TextField(verbose_name=_("Bind CN"))
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bind_password = models.TextField()
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start_tls = models.BooleanField(default=False, verbose_name=_("Enable Start TLS"))
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base_dn = models.TextField(verbose_name=_("Base DN"))
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additional_user_dn = models.TextField(
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help_text=_("Prepended to Base DN for User-queries."),
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verbose_name=_("Addition User DN"),
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blank=True,
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)
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additional_group_dn = models.TextField(
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help_text=_("Prepended to Base DN for Group-queries."),
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verbose_name=_("Addition Group DN"),
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blank=True,
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)
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user_object_filter = models.TextField(
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default="(objectCategory=Person)",
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help_text=_("Consider Objects matching this filter to be Users."),
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)
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user_group_membership_field = models.TextField(
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default="memberOf", help_text=_("Field which contains Groups of user.")
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)
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group_object_filter = models.TextField(
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default="(objectCategory=Group)",
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help_text=_("Consider Objects matching this filter to be Groups."),
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)
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object_uniqueness_field = models.TextField(
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default="objectSid", help_text=_("Field which contains a unique Identifier.")
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)
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sync_users = models.BooleanField(default=True)
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sync_groups = models.BooleanField(default=True)
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sync_parent_group = models.ForeignKey(
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Group, blank=True, null=True, default=None, on_delete=models.SET_DEFAULT
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)
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def form(self) -> Type[ModelForm]:
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from passbook.sources.ldap.forms import LDAPSourceForm
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return LDAPSourceForm
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def state_cache_prefix(self, suffix: str) -> str:
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"""Key by which the ldap source status is saved"""
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return f"source_ldap_{self.pk}_state_{suffix}"
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@property
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def ui_additional_info(self) -> str:
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last_sync = cache.get(self.state_cache_prefix("last_sync"), None)
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if last_sync:
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last_sync = datetime.fromtimestamp(last_sync)
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return render_to_string(
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"ldap/source_list_status.html", {"source": self, "last_sync": last_sync}
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)
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_connection: Optional[Connection] = None
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@property
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def connection(self) -> Connection:
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"""Get a fully connected and bound LDAP Connection"""
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if not self._connection:
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server = Server(self.server_uri)
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self._connection = Connection(
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server,
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raise_exceptions=True,
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user=self.bind_cn,
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password=self.bind_password,
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)
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self._connection.bind()
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if self.start_tls:
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self._connection.start_tls()
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return self._connection
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class Meta:
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verbose_name = _("LDAP Source")
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verbose_name_plural = _("LDAP Sources")
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class LDAPPropertyMapping(PropertyMapping):
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"""Map LDAP Property to User or Group object attribute"""
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object_field = models.TextField()
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def form(self) -> Type[ModelForm]:
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from passbook.sources.ldap.forms import LDAPPropertyMappingForm
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return LDAPPropertyMappingForm
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def __str__(self):
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return f"LDAP Property Mapping {self.expression} -> {self.object_field}"
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class Meta:
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verbose_name = _("LDAP Property Mapping")
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verbose_name_plural = _("LDAP Property Mappings")
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