sources/ldap: allow multiple server URIs for loadbalancing and failover
closes #1874 Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>
This commit is contained in:
Jens Langhammer
parent
7e316b5fc2
commit
75051687e6
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@ -68,9 +68,9 @@ class DomainlessURLValidator(URLValidator):
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)
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self.schemes = ["http", "https", "blank"] + list(self.schemes)
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def __call__(self, value):
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def __call__(self, value: str):
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# Check if the scheme is valid.
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scheme = value.split("://")[0].lower()
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if scheme not in self.schemes:
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value = "default" + value
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return super().__call__(value)
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super().__call__(value)
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@ -3,7 +3,7 @@ from typing import Optional, Type
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from django.db import models
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from django.utils.translation import gettext_lazy as _
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from ldap3 import ALL, Connection, Server
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from ldap3 import ALL, ROUND_ROBIN, Connection, Server, ServerPool
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from rest_framework.serializers import Serializer
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from authentik.core.models import Group, PropertyMapping, Source
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@ -12,11 +12,22 @@ from authentik.lib.models import DomainlessURLValidator
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LDAP_TIMEOUT = 15
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class MultiURLValidator(DomainlessURLValidator):
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"""Same as DomainlessURLValidator but supports multiple URLs separated with a comma."""
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def __call__(self, value: str):
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if "," in value:
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for url in value.split(","):
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super().__call__(url)
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else:
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super().__call__(value)
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class LDAPSource(Source):
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"""Federate LDAP Directory with authentik, 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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validators=[MultiURLValidator(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"), blank=True)
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@ -88,9 +99,15 @@ class LDAPSource(Source):
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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, get_info=ALL, connect_timeout=LDAP_TIMEOUT)
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servers = []
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if "," in self.server_uri:
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for server in self.server_uri.split(","):
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servers.append(Server(server, get_info=ALL, connect_timeout=LDAP_TIMEOUT))
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else:
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servers = [Server(self.server_uri, get_info=ALL, connect_timeout=LDAP_TIMEOUT)]
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pool = ServerPool(servers, ROUND_ROBIN, active=True, exhaust=True)
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self._connection = Connection(
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server,
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pool,
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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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@ -4199,6 +4199,10 @@ msgstr "Sources"
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msgid "Sources of identities, which can either be synced into authentik's database, or can be used by users to authenticate and enroll themselves."
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msgstr "Sources of identities, which can either be synced into authentik's database, or can be used by users to authenticate and enroll themselves."
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#: src/pages/sources/ldap/LDAPSourceForm.ts
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msgid "Specify multiple server URIs by separating them with a comma."
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msgstr "Specify multiple server URIs by separating them with a comma."
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#: src/pages/flows/BoundStagesList.ts
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#: src/pages/flows/StageBindingForm.ts
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msgid "Stage"
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@ -4162,6 +4162,10 @@ msgstr "Sources"
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msgid "Sources of identities, which can either be synced into authentik's database, or can be used by users to authenticate and enroll themselves."
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msgstr "Sources d'identités, qui peuvent soit être synchronisées dans la base de données d'Authentik, soit être utilisées par les utilisateurs pour s'authentifier et s'inscrire."
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#: src/pages/sources/ldap/LDAPSourceForm.ts
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msgid "Specify multiple server URIs by separating them with a comma."
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msgstr ""
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#: src/pages/flows/BoundStagesList.ts
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#: src/pages/flows/StageBindingForm.ts
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msgid "Stage"
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@ -4191,6 +4191,10 @@ msgstr ""
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msgid "Sources of identities, which can either be synced into authentik's database, or can be used by users to authenticate and enroll themselves."
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msgstr ""
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#: src/pages/sources/ldap/LDAPSourceForm.ts
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msgid "Specify multiple server URIs by separating them with a comma."
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msgstr ""
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#: src/pages/flows/BoundStagesList.ts
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#: src/pages/flows/StageBindingForm.ts
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msgid "Stage"
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@ -124,6 +124,9 @@ export class LDAPSourceForm extends ModelForm<LDAPSource, string> {
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class="pf-c-form-control"
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required
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/>
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<p class="pf-c-form__helper-text">
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${t`Specify multiple server URIs by separating them with a comma.`}
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</p>
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</ak-form-element-horizontal>
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<ak-form-element-horizontal name="startTls">
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<div class="pf-c-check">
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@ -43,6 +43,10 @@ Use these settings:
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For authentik to be able to write passwords back to Active Directory, make sure to use `ldaps://`
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You can specify multiple servers by separating URIs with a comma, like `ldap://dc1.ad.company,ldap://dc2.ad.company`.
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When using a DNS entry with multiple Records, authentik will select a random entry when first connecting.
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- Bind CN: `<name of your service user>@ad.company`
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- Bind Password: The password you've given the user above
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- Base DN: The base DN which you want authentik to sync
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@ -45,6 +45,11 @@ In authentik, create a new LDAP Source in Resources -> Sources.
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Use these settings:
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- Server URI: `ldaps://ipa1.freeipa.company`
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You can specify multiple servers by separating URIs with a comma, like `ldap://ipa1.freeipa.company,ldap://ipa2.freeipa.company`.
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When using a DNS entry with multiple Records, authentik will select a random entry when first connecting.
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- Bind CN: `uid=svc_authentik,cn=users,cn=accounts,dc=freeipa,dc=company`
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- Bind Password: The password you've given the user above
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- Base DN: `dc=freeipa,dc=company`
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@ -15,6 +15,11 @@ For FreeIPA, follow the [FreeIPA Integration](../freeipa/index.md)
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:::
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- Server URI: URI to your LDAP server/Domain Controller.
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You can specify multiple servers by separating URIs with a comma, like `ldap://ldap1.company,ldap://ldap2.company`.
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When using a DNS entry with multiple Records, authentik will select a random entry when first connecting.
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- Bind CN: CN of the bind user. This can also be a UPN in the format of `user@domain.tld`.
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- Bind password: Password used during the bind process.
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- Enable StartTLS: Enables StartTLS functionality. To use LDAPS instead, use port `636`.
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