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SAML Authentication (for multi-tenancy environments)

The Team SAML feature allows each team in a multi-tenant SeaTable environment to configure its own SAML identity provider (IdP) for single sign-on. While the functionality is available in all deployments, configuration only makes sense in environments such as cloud.seatable.io, where multiple independent teams share the same infrastructure.

Activation

in dtable_web_settings.py add these settings:

# to activate teams in general
CLOUD_MODE = True
MULTI_TENANCY = True

# to activate multi-saml in general
ENABLE_MULTI_SAML = True
SAML_CERTS_DIR = '/shared/certs'

SAML for Teams is also a role permission that has to be assigned to a role.

ENABLED_ROLE_PERMISSIONS = {
    'org_default': {
        'can_use_saml': True
    },
    'org_enterprise': {
        'can_use_saml': True
    }
}

Server certificates have to be created in the host system and made available to SeaTable Server.

# executed in the host
mkdir /opt/seatable-server/certs
cd /opt/seatable-server/
openssl req -x509 -nodes -days 3650 -newkey rsa:2048 -keyout sp.key -out sp.crt

Property Mappings

The IDP must provide the following SAML properties:

  • contact_email
  • name
  • uid

The exact configuration depends on your specific IDP.

Authentik

Create three property mappings of type SAML Provider Property Mapping under Customization -> Property Mappings with the following settings:

Name SAML Attribute Name Expression
contact_email contact_email return request.user.email
name name return request.user.name
uid uid return request.user.pk 
#SAML_CERTS_DIR = '/opt/seatable/seatable-data'
#SAML_ATTRIBUTE_MAP = {
#'uid': 'uid',
# 'contact_email': 'contact_email',
# 'name': 'name',
#}

If the SAML provider is on a separate domain (which it will definitely be in case of cloud.seatable.io), the following settings must be configured to prevent issues with cross-site cookies:

SESSION_COOKIE_SECURE = True
SESSION_COOKIE_SAMESITE = 'None'
CSRF_COOKIE_SECURE = True
CSRF_COOKIE_SAMESITE = 'None'